Enquiry Specification for BOD Plant

SPEC NO: TCE.GP/9506A/130 0 CO C 27

TATA Consulting Engineers Limited

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TATA STEEL LIMITEDJamshedpur

ENQUIRY SPECIFICATION FOR

Augmentation of Effluent Treatment Plant of Coke Oven Battery and

By - Product Plant at Tata steel Limited

Jigyasa Tower, 111 SNP AreaSakchi,Jamshedpur-831001

Jharkhand,India

January,2010



CONTENTS

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SECTIONSPECIFICATION NO. REV

NOTITLE NO. OF

SHEETS

A1 TCE.GP/9506A/130 0 CO C 27 R0 INTRODUCTION (CHAPTER -1)

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A2 TCE.GP/9506A/130 0 CO C 27 R0 SCOPE OF ENQUIRY (CHAPTER -2)

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A3 TCE.GP/9506A/130 0 CO C 27 R0 DEFINITION OF TERMS (CHAPTER -3)

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A4 TCE.GP/9506A/130 0 CO C 27 R0 LOCATION DETAILS (CHAPTER -4)

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A5 TCE.GP/9506A/130 0 CO C 27 R0 INSTRUCTION TO BIDDERS (CHAPTER -5)

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B1 TCE.GP/9506A/130 0 CO C 27 R0 PROJECT BACKGROUND (CHAPTER -6)

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B2 TCE.GP/9506A/130 0 CO C 27 R0 SCOPE OF AUGMENTAION JOB (CHAPTER -7)

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B3 TCE.GP/9506A/130 0 CO C 27 R0 SCOPE OF SERVICES OF VENDOR/CONTRACTOR (CHAPTER -8)

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B4 TCE.GP/9506A/130 0 CO C 27 R0 MECHANICAL REQUIREMENTS (CHAPTER -9)

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B5 SPEC NO: TCE.GP/9506A/130 0 CO C 27

R0 ELECTRICAL REQUIREMETS (CHAPTER -10)

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R0 INSTRUMENTATION AND CONTROL DESIGN REQUIREMENTS (CHAPTER -11)

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R0 CIVIL REQUIREMENTS (CHAPTER -12)

2


R0 CODES AND STANDARDS (CHAPTER -13)

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R0 DESIGN AND CONSTRUCTION REQUIREMENTS (CHAPTER -14)

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R0 MISCELLANEOUS SERVICES (CHAPTER -15)

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CONTENTS

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NOTITLE NO. OF

SHEETS


R0 TERMINAL POINTS(CHAPTER -16)

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R0 DRAWINGS & DOCUMENTS (CHAPTER -17)

3


R0 PROJECT SCHEDULE (CHAPTER -18)

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R0 PROGRESS MONITORING (CHAPTER -19)

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R0 OTHER FACILITIES AT SITE (CHAPTER -20)

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R0 SUCCESSFUL BIDDER’S COORDINATION WITH PURCHASERS (CHAPTER -21)

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R0 SECURITY (CHAPTER -22) 1


R0 PROTECTION OF PROPERTY AND SUCCESSFUL BIDDER’S LIABILITY (CHAPTER -23)

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C1 SPEC NO: TCE.GP/9506A/130 0 CO C 27

R0 EXISTING PLANT PROCESS DESCRIPTION(CHAPTER -24)

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D1 SPEC NO: TCE.GP/9506A/130 0 CO C 27

R0 DATA SHEET - A (CHAPTER- 25)

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R0 DATA SHEET- B (CHAPTER- 26)

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R0 PERFORMANCE GUARANTEE (CHAPTER- 27)

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E1 SPEC NO: TCE.GP/9506A/130 0 CO C 27 R0 SHOP INSPECTION AND

TESTS (CHAPTER 28)) 9

E2 SPEC NO: TCE.GP/9506A/130 0 CO C 27

R0

DRAWINGS, ENGINEERING DOCUMENTS AND

INSTRUCTION MANUALS(CHAPTER 29)

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R0 PACKING, MARKING AND TRANSPORT

INSTRUCTIONS FOR

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CONTENTS

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NOTITLE NO. OF

SHEETS

EQUIPMENT(CHAPTER 30)


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SPARES AND MAINTENANCE TOOLS AND TACKLES (CHAPTER 31)

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F1 SPEC NO: TCE.GP/9506A/130 0 CO C 27

R0 SCHEDULE OF GENERAL PERTICULARS (CHAPTER- 28)

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R0 SCHEDULE OF PRICES (CHAPTER- 29)

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R0 SCHEDULE OF DEVIATIONS FROM GENERAL CONDITIONS (CHAPTER- 30)

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R0 SCHEDULE OF DEVIATIONS FROM TECHNICAL SPECIFICATIONS (CHAPTER- 31)

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R0 BIDDERS EXPERIENCE (CHAPTER- 32)

1

Drawings:

1 TCE.9506A-130-GA-1154 P0 LAYOUT OF AUGMENTAION OF BOD PLANT

1



CONTENTS

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TATA Consulting Engineers Limited SECTION: A1

Chapter 1

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INTRODUCTION

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1.0 Introduction

1.1 Existing BOD Plant

Tata steel is planning for enhancement of their production capacity in terms of steel generation at their Jamshedpur works for which the requirement of coke will increase. To meet this excess demand they intend to set up coke oven batteries 10,11 and By-product Plant. In the process of treatment of the raw coke oven gas evolved from coke oven battery no. 10 & 11,ammoniacal liquor is generated. Part of the liquor is used to cool coke oven gas and the rest is processed in ammonia still to strip off ammonia. The coke oven effluent is first treated in a pre-treatment unit. The coke oven effluent treatment plant currently treating the effluent by the Secondary Treatment Facility i.e. Biological Treatment Method (Activated Sludge Process). The outlet from this Biological Treatment Plant is discharged to the Subarnarekha River by a storm water line inside the works popularly known as Susumgaria Nala. The raw effluent from Coke Oven generally contains High Suspended Solids, High Bio-Chemical Oxygen Demand (BOD), Ammonia, Chemical Oxygen Demand (COD), Phenols, Cyanide and other toxic contaminants which cause serious water pollution.

The existing Biological Treatment plant had been commissioned in 1991-92 and the design basis was treatment of the effluent generated from the existing by product plant and the adjoining Benzol Plant. Later the Benzol Plant was taken out from operation/dismantled. Currently the Biological Treatment Plant is taking its load only from the existing By-product plant. The design capacity of the existing Coke Oven ETP was 125 m3/hr.

1.2 Proposed augmentation

Approximately 105 m3 / hr of effluent will be generated in the new BPP plant for battery #10 & #11. To treat this additional effluent ,it is proposed to augment the capacity of the existing BOD plant from 125 m3/hr to 230 m3/hr . The existing plant area is approximately (L*B: 216m*63M).The augmentation of the existing BOD plant is to be accommodated in the adjoining area. The quality of the effluent will be almost same as the existing one. However the new plant effluents have BOD Approx.2000 & COD approx.5000.It implies that for new BPP effluent BOD goes down and COD goes high. Moreover it is desired that treated effluent water quality released from coke oven effluent plant shall be colour-less. Existing plant discharging the effluent has brown colour which shall not be allowable for the new augmented plant.



Chapter 2

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SCOPE OF ENQUIRY

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2.0 Scope of Enquiry

This technical specification covers the design, engineering, manufacturing, fabrication, procurement and inspection, shop testing, assembly, painting, packing, transportation to site, necessary loading and unloading and handling at site, site fabrication, erection, testing and commissioning of effluent Treatment Plant of COBPP.

This specification shall form a part of tender documents and shall be read in conjunction with the same. The Effluent Treatment Plant shall be complete in all respects. Any equipment not covered in the specification but essential for proper design and operation shall be included in the tender.

The Bidder shall study the specification and satisfy himself thoroughly regarding the workability of the equipment and shall take full responsibility for the guaranteed operation of the equipment regarding performance guarantee of the equipment and smooth reliable working.

The entire scope of work shall be covered by bidder in accordance with the schedule attached with this specification. The bidder shall take the above into account and quote for his best and earliest delivery schedule.



Chapter 3

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DEFINITION OF TERMS

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3.0 Definition of Terms

3.1 “PURCHASER” shall mean the client Tata Steel Limited (TSL) on whose behalf the enquiry is issued by the CONSULTANT and shall include his successors and assigns, as well as his authorized officers/ representatives.

3.2 “OWNER” shall mean Tata Steel Limited (TSL) on whose work site / plant the entire project will be executed.

3.3 “CONSULTAN” shall mean TATA CONSULTING ENGINEERS LIMITED(TCE) or their duly authorized representatives, who are the CONSULTANTS, appointed by the PURCHASER/OWNER for the project.

3.4 “BIDDER” shall mean the firm / party who quotes against an enquiry.

3.5 “VENDOR / CONTRACTOR / FABRICATOR” shall mean the successful BIDDER whose Bid has been accepted by the OWNER / PURCHASER and on whom the “Contract” or “Purchase Order” is placed by the OWNER/ PURCHASER and shall include his heirs, legal representatives, successors and permitted assigns.

3.6 „SUB-VENDOR / SUB-CONTRACTOR shall mean the person named in the “Contract” undertaking a part of the work or any person to whom a part of the “Contract” has been sublet, with the consent, in writing, of the OWNER / PURCHASER and shall include his heirs, legal representatives, successors and permitted assigns.

3.7 “MANUFACTURER‟ refers to a person or firm who is the producer and furnisher of material or designer and fabricator of equipment to either the OWNER / PURCHASER or the VENDOR / CONTRACTOR or both under the “Contract”

3.8 “OTHERS” shall mean other successful BIDDERS whose Bids have been accepted by the OWNER/PURCHASER and to whom the orders have been placed by the OWNER/PURCHASER and shall include their heirs, legal representatives, and successors and permitted assigns.

3.9 “INSPECTOR‟ shall mean the authorized representatives appointed by the “OWNER / PURCHASER‟ or the “CONSULTANT” for purpose of inspection of materials / equipment/works.

3.10 “PROJECT” shall mean the project specified in the “Project Information-General”, Section -B of the “Specification”.

3.11 “Site” shall mean the actual place of the proposed “Project”as detailed in the “Specification” or other place where work has to be executed under the Contract.

3.12 “Month” shall mean calendar month.



Chapter 3

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DEFINITION OF TERMS

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3.13 “Specification” shall mean collectively all the terms and stipulations contained in those portions of the 'Contract‟ known as General Conditions, the Specifications and such Amendments, Revisions, Deletions or Additions, as may be made in the Agreement and all written Agreements made or to be made pertaining to the method and manner of performing the work or to the quantities and qualities of the materials to be furnished under this “Contract”.

3.14 “BID” shall mean the proposal / document that the BIDDER submits in response to bid invitation by PURCHASER / CONSULTANT.

3.15 Plant and/or Equipment:- The terms “Plant/or Equipment” shall mean all plant, machinery, equipment, utilities, services, facilities, building, structures, material, store and other items of all kinds, requirement for work in accordance with the contract/order as part of the project from commencement of work up to its final acceptance by the purchaser.

3.16 Work:- The term “work” shall means all or any part of the material,equipments, drawings, documents, supervision of erection, testing, start-up, commissioning and performance tests or complete erection service and other services required for the design, supply , execution, completion and guarantee of the work which is either specifically required by the contract/ order or is required in connection with such services and such material or which is within the scope of the contract/ order and not specifically exchanged by the contract/order from the materials and services which the contractor in obliged to furnished under the contract/ order or implied from contract specification, drawing, documents and schedules, here to annexed or incidental thereto.

3.17 “Contract” or “Purchase Order” shall mean the order and associated specifications executed by the PURCHASER and the VENDOR including other documents agreed between the parties or implied to form a part of the “Contract”.

3.18 “Contract Price‟ shall mean, if there is a formal agreement, the prices referred to in the agreement or if there is no formal agreement, the price agreed to be the value of the “Contract”.

3.19 “Date of Contract” shall mean the calendar date on which the OWNER /PURCHASER and VENDOR / CONTRACTOR / FABRICATOR have signed the “Contract”. “Effective Date of Contract‟ shall mean the calendar date on which the OWNER / PURCHASER have issued to the VENDOR the “Letter of Intent‟ or as otherwise mutually agreed to between the OWNER /PURCHASER and the VENDOR.

3.20 “Contract Period” shall mean the period during which the “Contract” shall be executed as agreed between “VENDOR/CONTRACTOR / FABRICATOR and OWNER / PURCHASER”.



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DEFINITION OF TERMS

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3.21 “Guarantee Period” shall mean the period during which the “Plant” or “Equipment” shall give the same performance guarantee by the VENDOR in the “Schedule of Guarantee” or as in the “Specification”.

3.22 “Approved” and “Approval” where used in the “Specification”shall mean, respectively approved by / approval of the OWNER / PURCHASER or the CONSULTANT. When the words “Approved”, “Approval”, “Subject to Approval”, “Satisfactory”, “Equal To”, “Proper”, “Requested”, “As Directed”, “Where Directed”, “When Directed”, “Determined by”, “Accepted”, “Permitted” or words and phrases of like import are used; the approval, judgment, direction etc., is understood to be a function of the OWNER / PURCHASER or the CONSULTANT.

3.23 “CONSULTANT's Instructions‟ shall mean any drawings and / or instructions; oral and / or in writing; details, direction and explanations issued by the CONSULTANT or the OWNER / PURCHASER from time to time during the Contract Period.

3.23 “Writing” shall include any manuscript, typewritten or printed statement, under or over signature and / or seal as the case may be.

3.24 “Notice in Writing” or “Written Notice” shall mean a notice in written, typed or printed characters sent (unless delivered personally or otherwise proved to have been received) by registered post or courier service to the last known private or business address or registered office of the addressee and shall be deemed to have been received when in the ordinary course of post it would have been delivered.

3.25 “CONTRACTOR's Works” or “MANUFACTURER's Works” shall mean and include the land and other places which are used by the VENDOR /CONTRACTOR / FABRICATOR or SUB-VENDOR / SUB-CONTRACTOR / SUB-FABRICATOR for the manufacture of equipment or performing the “works”.

3.26 “Mechanical Completion” shall be defined to be a state or readiness for “Preliminary Operation” after due erection of all the materials and items of “Equipment” covered under the scope of the “Contract”.

3.27 “Commissioning” shall mean integrated activity covered under “Preliminary Operation”, “Initial Operation”, “Trial Operation” and carrying out “Performance Tests”.

3.28 “Preliminary Operation” shall mean all activities undertaken as part of commissioning after “Mechanical Completion” up to commencement of initial operation and include mechanical and electrical checkouts, calibration of instrument and protection devices, commissioning of sub / supporting system and static chemical cleaning of the plant / system / equipment covered under the “Contract”.



Chapter 3

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DEFINITION OF TERMS

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3.29 “Initial Operation” shall mean all operations undertaken as part of Commissioning after completion of “Preliminary Operation” up to commencement of “Trial Operation”. It shall be the first integral operation of the complete plant / system / equipment covered under the contract and shall include first light-up, initial equipment rolling / equipment stretch-out; dry-out and operational chemical cleaning; no load / partial load / full load runs for mechanical / electrical try-out and gathering of operational data ; calibration, setting and commissioning of control systems; and shutdown inspection and adjustment after running trials of the plant / system / equipment covered under the Contract.

3.30 “Trial Operation‟ shall mean the integrated operation of the plant system /Equipment covered under the contract for a specified period at specified load for proving trouble-free operation of the plant / system / Equipment covered under the Contract.

3.31 “Performance Tests” shall mean such tests as are prescribed in the specification to be done by the CONTRACTOR before the plant is taken over under guarantee by the OWNER / PURCHASER.

3.32 “Virtual Completion‟ shall mean that all work is completed as directed and the site is cleared to the satisfaction of the OWNER / PURCHASER or the CONSULTANT.

3.33 “Commercial Use” shall mean that use of the equipment or work which the contract contemplates or that for which equipment or work is commercially capable.

3.34 “Minor Modification” as applied to equipment erection contracts only, shall mean the modification work required to be done on the Equipment and works, which need a maximum of 38 man-hours per item of work. In the case of civil contracts, it shall be works, which need a maximum of 8 man-hours per item of work.

3.35 “Major Modification” as applied to equipment erection contracts only, shall mean the modification work required to be done on the equipment and works needing more than 38 man-hours per item of work, where such work is required to be done for no fault of the VENDOR / CONTRACTOR. In the case of civil contracts, it shall be works needing more than 8 man-hours per item of work.

3.36 Words importing persons shall include Firms, Companies Corporations and other Bodies whether incorporated or not.

3.37 Words importing the singular only shall also include the plural and vice-versa where the context requires.



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DEFINITION OF TERMS

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3.38 Drawings shall mean all: (a) Drawings furnished by the OWNER / PURCHASER or the CONSULTANT as

a basis for proposals.

(b) Supplementary drawings furnished by the OWNER/PURCHASER or the CONSULTANT to clarify and to define in greater detail the intent of the “Contract”.

(c) Drawings submitted by the VENDOR with his proposal provided such drawings are acceptable to the OWNER / PURCHASER or the CONSULTANT.

(d) Drawings furnished by the OWNER / PURCHASER or the CONSULTANT to the VENDOR during the progress of the work.

(e) Engineering data and drawings submitted by the VENDOR during the progress of the work provided such drawings are acceptable to the CONSULTANT.

3.39 FOB Part of shipment : The term “FOB part of shipments” shall apply according to the International Rules for the interpretation of Trade Terms (INCOTERMS 2000).



Chapter 4

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LOCATION DETAILS

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4.0 Location Details

Project Location Information

4.1 Client : TATA STEEL LIMITED

4.2 Project Title : Capacity Augmentation for Existing Effluent Treatment Plant(ETP) of coke oven battery and its by product plant

4.4 Location : Steel Works, Jamshedpur

4.4 Altitude from mean sea level : 177.9 m

4.5 Nearest Railway Station : Tatanagar

4.6 Name of Railway : South Eastern Railway

4.7 Nearest Airport : Kolkata, Jamshedpur.

4.8 Nearest Port : Haldia / Diamond harbour

4.9 Major access road in the vicinity : National Highway NH-44 which branches off from the National Highway NH-6 connecting Kolkata with Mumbai

4.10 Maximum of mean daily Temperature.

: 44.4 oC

4.11 Minimum of mean daily temperature : 20.7 oC

4.12 Absolute maximum temperature : 47.2 oC

4.14 Absolute Minimum temperature : 4.9 oC

4.14 Maximum wet bulb temperature : 28.9 oC

4.16 Maximum relative humidity : 84%

4.17 Minimum relative humidity : 24%

4.18 Average relative humidity : 54%

4.19 Maximum Wind Speed : 160 Km/hr



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LOCATION DETAILS

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4.20 Maximum Mean monthly Wind Speed

: 5.4 Km/hr

4.21 Wind Direction : Predominantly from west in winter and from east in summer.

4.22 Rainfall : Annual average rainfall 1491.4 mm.Heaviest in 24 Hrs 214.1 mm

4.24 Wind Load : Calculations for wind effect shall be in accordance with IS:875-1987 (Part 4). Basic wind speed to be considered is 50 m/s as per the IS 875.

4.24 Seismic Data : As per IS:1894-2002, Zone II.

4.25 Medical Facilities ; A number of hospitals including the Tata Main Hospital and other medical facilities are available in Jamshedpur.

4.26 Ambient conditions : 50 deg. C and humidity of 100%. Derating of all equipment to be done for ambient temperature of 50 deg. C.

4.27 Area Classification : Dust laden atmosphere normally experienced near steel plants.

4.28 Permissible Voltage & Frequency : Voltage: 415,+/- 10% Frequency: 50 Hz, +5% & -4%



Chapter 5

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INSTRUCTION TO BIDDERS

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5.0 INSTRUCTIONS TO BIDDERS

5.1 It is not the intent to completely specify herein all details of design and construction of the equipment. However, the equipment shall conform in all respects to high standards of engineering, design and workmanship and shall be capable of performing in continuous commercial operation up to the successful bidder’s guarantees in a manner acceptable to the TSL-TSL who shall interpret the meaning of drawings and specifications and shall have the power to reject any work or material which in his judgment are not in full accordance with it.

5.2 The extent of supply under the contract includes all items shown in the drawings, notwithstanding the fact that such items may have been omitted from the specifications or schedules. Similarly the extent of supply also includes all items mentioned in the specification and/or schedules, notwithstanding the fact that such items may have been omitted in the drawings.

5.3 The successful bidder shall carry out all necessary co-ordination with regard to sub- contracted equipment. Purchaser shall communicate only with the successful bidder for all matters pertaining to this contract.

5.4 The total price quoted for this contract shall be firm lump sum all-inclusive basis and shall cover all items and services necessary for the successful completion of the contract. Even if all components of a system included in this specification are not explicitly identified and/or listed herein, these shall be supplied under this contract to ensure completeness of the system and facilitate proper operation and easy maintenance of the system. Changes in quoted lumpsum price shall be permissible only in case of addition/ deletion of scope. Separate Unit rates shall be quoted for spares.

5.5 This contract specification shall be read along with the attached signed contract technical specification between TSL and TCE, and General Technical Specification (GTS) and the attached drawings and documents.

5.6 In case of any conflict between clauses order of preference for governing clause shall be the latest single line diagrams of TSL & TCE, signed contract technical specification between TSL & TCE,GTS of TSL/TCE and this specification.

5.7 The Successful bidder shall take prior approval from TSL/TCE& purchaser, if any modifications, is required in GTS/Contract technical Specification after contract finalisation and in this regard, Successful bidder’s technology shall be followed.

5.8 The make of all electrical items shall be selected from the preferred vendors list of TSL/TCE which form part of the contract document amongst TSL & TCE.



Chapter 5

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5.9 The PURCHASER considers information / data called for in this specification as material to evaluate the BIDS and determine whether or not a Bid meets the specification, that omission of any of it could make such decision impossible and cause the bid to be considered non-responsive. All information asked for must be available in the bid when it is opened. Omitted data will not be requested by the PURCHASER or accepted by the PURCHASER if offered by the BIDDER after Bid opening. If the omission of information renders a Bid non-responsive, such a Bid will be rejected. The same restrictions apply to errors in data submitted in a Bid.

5.10 BID shall be submitted strictly as per the format outline in the schedules to enable the PURCHASER / ENGINEER to evaluate the BID expeditiously.

5.11 Any and all the exceptions or deviations or objections which the BIDDER may have to any of the clauses in this specification both technical, commercial and General conditions of contract for supply shall be clearly outlined in the respective schedule of deviations failing which the offer will be DEEMED TO CONFORM FULLY WITH TECHNICAL SPECIFICATION AND GENERAL TERMS AND CONDITIONS in all ways. All deviations shall be strictly indicated under Section F3 and F5 only. Deviations indicated elsewhere / reference to catalogues etc. will not be considered / accepted.

5.12 Deviations from the specification, if acceptable to the PURCHASER, in so far as practicable, will be converted to a rupee value and added to the BID price to compensate for deviation from the specification. In determining the rupee value of the deviation, the PURCHASER will use parameters consistent with those specified in the documents and specifications and other information as necessary and available to the PURCHASER.

5.13 All necessary co-ordination with regard to sub-contracted equipments shall be carried out by the VENDOR. The PURCHASER/CONSULTANT will communicate only the VENDOR for all matters pertaining to this contract.

5.14 Prices as quoted in Section-F shall be exclusive of type test charges. Charges for conducting type tests shall be indicated separately as called for in Section-F.

5.15 Any clarifications required on the BID / ENQUIRY shall be sought before date of Bid opening. Seeking clarifications will not entitle any BIDDER for extension of Bid due date.

5.16 Prices quoted by the BIDDER for all items shall be FIRM.

5.17 All unit prices quoted shall be valid until the date of successful commissioning of the equipment. Unit rates quoted shall form basis of addition or deletion of equipment at any stage.



Chapter 5

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5.18 BIDDERS shall submit quality assurance plan along with the BID. This quality assurance plan shall form part of the PURCHASE ORDER to enable the PURCHASER/OWNER to assure the quality of components at various stages of manufacture.

5.19 This being a turnkey specification, all expenses for commissioning including transportation, boarding and lodging of VENDOR's personnel is included in the basic scope of the VENDOR.

5.20 VENDOR shall give MINIMUM 15 days prior notice for inspection of all equipment included in this specification to enable PURCHASER / his authorized representative to carry out inspection. PURCHASER reserves the right to waive inspection at any stage. Inspection will be carried out only on receipt of Vendor's internal test report of the equipment offered and scrutiny of the same. In event, on receipt of inspection call, the PURCHASER's representative reaches the manufacturer's works and finds the material not ready for inspection / incomplete / has short supply, the inspector will return to his base station and all expenses incurred by the inspector including to and from travelling expenses from his base station to place of inspection, boarding and lodging charges etc. shall be reimbursed by the VENDOR.

5.21 VENDOR shall, during inspection / at any stage as sought by PURCHASER / CONSULTANT furnish internal test certificates for all equipment including bought items as included in this BID.

5.22 VENDOR shall keep his testing instruments duly calibrated against standard meters not earlier than 6 months form the date of testing. Calibration certificates shall be made available during inspection.

.5.23 BIDDER shall indicate separately price for supply of ‘Start-up and Essential

spares’ listed in the specification. Cost of these spares will be considered for evaluation. BIDDER shall also indicate separately price for supply of ‘Recommended Spares’ for two years operation and maintenance of the equipment.

5.24 As and when the need arises, the VENDOR shall depute his representative / engineer for discussions with the PURCHASER / CONSULTANT at a venue to be decided by PRUCHASER till the successful commissioning of the equipment and completion of the project to finalize outstanding issues.

5.25 The PURCHASER / ENGINEER will review drawings submitted by the VENDOR and return one copy of the drawing to the VENDOR with comments to carry out necessary changes, if any, during engineering / manufacturing stage.Drawings submitted by VENDOR shall include, besides plant and sections, structural drawings with support calculations, schematics, B.O.M, G.A foundation drawings, Terminal diagrams etc. GA drawing shall be furnished with the bid. The schematic drawing shall clearly indicate cross



Chapter 5

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reference catalogue numbers, component relays of each scheme along with range & variable steps of each component / scheme & the recommended settings. Terminal diagrams shall clearly indicate Terminal block designation and terminal numbers besides the service pertaining to each terminal number. All internal looping is included in the basic scope of the VENDOR.

5.26 BIDDER shall submit the bid in two separate covers:

a) Cover -1 containing:I) Technical and commercial deviations.ii) Technical data.iii) Un-priced price schedule.iv) All schedules filled up as per Section-F2 to F6.

5.27 Besides hard copies, Bidders shall also furnish all the above information on a compact disc in pdf format. Filled up Data Sheets shall be in pdf format.

a) Cover-2 containing:

i) Schedule of prices

5.28 The successful BIDDER shall submit bar chart indicating schedules of drawing submission, manufacture, delivery, construction etc. immediately on placement of LOI / PO (whichever is earlier) to enable PURCHASER to monitor work progress.


TATA Consulting Engineers Limited SECTION: B1

Chapter 6

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PROJECT BACKGROUND

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6.0 Project Background

Approximately 105 m3 / hr of effluent will be generated in the new BPP plant for battery #10 & #11. To treat this additional effluent ,it is proposed to augment the capacity of the existing BOD plant from 125 m3/hr to 230 m3/hr .The existing plant area is approximately (L*B: 216m*63M).The augmentation of the existing BOD plant is to be accommodated in the adjoining area. The quality of the effluent will be almost same as the existing one. However the new plant effluents have BOD Approx.2000 & COD approx.5000.It implies that for new BPP effluent BOD goes down and COD goes high. Moreover it is desired that treated effluent water quality released from coke oven effluent plant shall be colour-less. Existing plant discharging the effluent has brown colour which shall not be allowable for the new augmented plant.



Chapter 7

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SCOPE OF AUGMENTAION JOB

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7.0 Scope of the augmentation job

The Scope of work covered under this specification is general, comprises of following activities:

7.1 Bidder shall inspect the existing effluent treatment plant of the coke oven battery and by product plant and submit the scheme for augmentation of existing Coke Oven ETP so that it can effectively treat the effluent/waste water volume of 230 m3/hr (125 m3/hr as per existing plant design + additional 105 m3/hr for the new facility to be installed) within the discharge standards when the new coke oven battery and the associated by product plant will be in operation along with the existing one. Bidder shall visit and study the facilities minutely and offer all possible solutions. The scheme shall be submitted to PURCHASER/CONSULTANT for approval. 7.2 Bidder shall ensure that augmentation of existing Effluent Treatment plant shall not affect the performance of existing plant.

7.3 Necessary process, instrumentation and automation requirements shall be included by the bidder for the augmentation job.

7.4 The augmentation shall have facility for tertiary treatment so that the discharge water from the augmented plant should be colourless and can be reused within the works.



Chapter 8

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SCOPE OF SERVICES OF VENDOR/CONTRACTOR

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8.0 Scope of Services of vendor/contractor

8.1 The scope of work shall include the following activities : 8.1.1 The intent of this specification is to cover the design, engineering, manufacture, supply, transportation, un-loading, in-plant transportation to site from stores, civil & structural works, erection, testing, commissioning and establishing performance guarantee of Effluent Treatment Plant of 230 m3/hr

capacity for existing and new coke oven battery and its by product plant.

8.1.2 Supply of all technical literature, drawings & documents, general arrangement drawing, assembly & sub-assembly drawings & erection drawings of Effluent Treatment Plant.

8.1.3 Submission of design calculations, data sheets, suction & discharge line sizing calculations for various pumps for approval of Purchaser/Consultant & finalizing the same as per approval of Purchaser/Consultant.

8.1.4 Supply of anchor bolts/foundation bolts.

8.1.5 Supply of commissioning spares & consumables till completion i.e first tap of hot metal.

8.1.6 Bidder shall submit an itemized price-list of two years operation & maintenance spares.

8.1.7 Supply of special tools, tackles for construction, erection operation, repair & maintenance of all pumps.

8.1.8 All necessary connections for hook-up with Purchaser’s system at battery limits.

8.1.9 Supply of erection, testing & commissioning items & materials.

8.1.10 First fill of fuel, lubricating oil & other consumables till completion i.e first tap of hot metal.

8.1.11 Inspection & performance testing of ETP & system as a whole.

8.1.12 Participation in design conference with the Purchaser & Consultant.

8.1.13 All associated civil works such as excavation, dewatering, foundation and backfilling by compacting backfill to 90% standard proctor density. The scope shall also include disposal of surplus excavated soil outside the plant area. Area for disposal of excavated material shall be identified by the Contractor.



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SCOPE OF SERVICES OF VENDOR/CONTRACTOR

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Obtaining statutory clearance for disposal of excess excavated material / debris and disposal of the same in these approved areas shall be by Contractor.

8.1.14 Cold water RCC basin with supporting structures, extended channel from each compartment of basin provided with stop log, screens and suitable handling facilities for the same.

8.1.15 Painting of all steel surfaces conforming to General Specification for Painting

8.1.16 Carrying out performance test of the Effluent Treatment Plant including supply of

all test instruments which are calibrated to National level and same can be taken

back by Vendor after testing and completion of performance guarantee.

8.1.17 Start up and commissioning spares required during construction of Effluent Treatment Plant and loan/installation of instruments for performance testing.

8.1.18 Earthing of all the equipment in Effluent Treatment Plant area. Formation of earthing grid in the Effluent Treatment Plant and connecting it to the main earthing grid through test electrodes/test links.

8.1.19 Cable glands and lugs of appropriate sizes for cable terminations on the motors.

8.1.20 Local Push button (LPB) stations, junction boxes (JB’s), cable trays, earthing and lightning protection conductor & earth electrodes.



Chapter 9

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MECHANICAL REQUIREMENTS

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9.0 SPECIFIC MECHANICAL REQUIREMENTS

All equipment shall be designed to operate satisfactorily and meet all the

requirements specified in Data sheet-A. The equipment shall be designed, manufactured in accordance with best engineering practices and shall have been proven to be suitable for intended purpose.Vendor's design of the ETP shall be based on design influent water analysis indicated in the specification.

The required water quality to be guaranteed at the outlet of ETP shall be guaranteed at values as indicated in the specification.

The guarantees for ETP shall be as indicated by bidder.

List of essential spares shall be indicated by bidder.

The following documents shall be furnished by bidder along with bid (Mandatory).

A) Flow Diagram with parameters.B) List of Equipments.C) Layout.D) Filled –in DATA SHEETS - B.E) Previous Experience in Such Plants in India.



Chapter 10

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ELECTRICAL REQUIREMETS

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10.0 Electrical Requirements

10.1 Bidder to include the supply and installation of following:

- MCC/PDB/LCS as required- All power and control cabling for the MCC/PDB downstream feeders.- VFD/VVVF/Soft Starter- HT/LT Motors & junction boxes- All HT motors (<=1000 kW) suitable control circuit taking care of process/safety interlocks local remote selection- Equipment earthing- Any other equipment as required to make the installation complete in allrespects.

10.2 Exclusions

Following are excluded from the scope of Bidder:

- HTSS 6.6 KV board- Power supply for HT motors- 6.6kV cables- HT isolator, Transformer, LV bus-duct, 415/690V PCC for LTSS- LV Power cable upto incomers of MCC- Feeding 415V LTSS PCC- Cabling from outgoing feeders at feeding 415VLTSS PCC upto theincoming terminals of the MCC/PDB- Main Earth Mat- Complete illumination- Building/Building Structure including civil foundation- Cable trenches/ tunnels etc including cable trays but GI pipe above floorlevels will be in Successful Bidders scope.

10.3 General Note

10.3.1 Bidder to include LV power cables, control cables and cable accessories between MCC/PDB and different consumers under this scope including routing, supply of trays and accessories in the scope of supply.

10.3.2 Where applicable, Bidder to supply DC distribution boards for their package related DC loads. Purchaser will provide power supply to the DCDB.

10.3.3 Main earthing grid including the risers and electronic earthing will be provided by the purchaser.

10.3.4 For the Electrical rooms / substation building dedicated for the package, Bidder to include the detail engineering of the electrical control room, electrical equipment layout, cable Tray layout, above equipment earthing layout and



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ELECTRICAL REQUIREMETS

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lighting layout in the scope of supply. However, Bidder to furnish all required civil feedback data for design and construction of building by Purchaser.

10.3.5 In the event of order Bidder shall submit all GA, SLD, Control schematics, layouts, cable schedule, data sheets, ICS etc. for the equipments supplied / installed by them. For the motors to be supplied by them Bidder shall furnish following:

- Motor data sheet for all motors indicating rating, full load current, starting current, starting time (no load & coupled with load at 100% & 80% voltage), stall time, thermal time constants (heating & cooling), no. Of starts etc., Motor GD2 , Load GD2, Coupling GD2 - Thermal curves - torque speed characteristic curves for both motors and loads.

10.3.6 Any item or equipment not specifically mentioned but essential for proper installation, operation, maintenance and safety of plant, equipment and personnel shall be included by the Successful bidder in his scope of work.

10.3.7 Bidder to note and confirm that approval of drawings and documents from TSL/TCE as well as from Statutory Authority e.g. CEI of the state etc. will lie in Bidder's Scope.

10.3.8 The make of all electrical items shall be selected from the preferred vendors list of TSL which form part of the contract document amongst TCE & TSL.



Chapter 11

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INSTRUMENTATION AND CONTROL DESIGN REQUIREMENTS

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11.0 Instrumentation and Control Design Requirements

11.1 General

Instrumentation system for ETP of COBPP shall be provided with a view to achieve efficient, reliable and trouble free operation of the complete process. Measurements, interlocks & alarms offered for the process shall be complete in all respect in line with this specification. Any equipment/accessories not explicitly indicated in this specification, but considered essential for proper functioning of equipment and process shall be included in Bidder’s scope of work and supply.

All the instruments shall be from the latest product ranges of reputed manufacturers.

Bidder shall execute complete instrumentation package on turnkey basis to the satisfaction of Purchaser/ Consultant. Bidder shall comply with all the requirements of Scope of Work and Supply; List of Measurement, alarm & interlock; Submission of Drawings & Documents; General Technical Rules; Supply of instruments from List of Preferred Makes and other related Clauses/ stipulated in this specification / General Technical Specification(GTS)

11.2 Scope of work and supply

Bidder’s scope of work and supply shall include design, engineering,manufacture/procurement, assembly, calibration, shop testing, inspection,painting, packing, transportation to site, of all instrumentation items includingelectrical accessories for instruments, cabling up to RIO panel through JBs,pipes, erection accessories, panels/ cabinets and all associated hardware, asrequired for completeness of instrumentation system of ETP COBPP in allrespects along with erection & testing and commissioning of the completesystem.

11.3 Instrumentation Control Equipment Requirements:

The integral protection system for pumps/equipments shall be provided by thebidder. All integral measurement required for continuous monitoring of thesepumps & equipments in safe running condition shall be supplied by the bidder.

The equipment protection systems to be supplied by the bidder shall confirm tofail safe criteria which mean that the equipment shall go to fail safe mode incase of loss of 1) Power Supply, 2) Air Supply, 3) Control signal.

The control system for the ETP system will be supplied by the client. Biddershall submit the control logic diagrams (based on the approvedoperational & control philosophy for the plant) to be implemented in the



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INSTRUMENTATION AND CONTROL DESIGN REQUIREMENTS

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control systems. This is also bidder’s responsibility to implement the logic in thecontrol system.

The bidder shall supply the following spares for the instruments & accessoriesto be supplied by them: a) Commissioning Spares, b) List of 2 years operationalspares (only list to be furnished).The installation, cabling up to RIOs through JB , tubing, testing & commissioningof their own instruments shall be under the bidder’s scope.



Chapter 12

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CIVIL REQUIREMENTS

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12.0 Civil Requirements

12.1 Scope of Work

This section of the specification covers design and construction of all civil workfor the Effluent Treatment Plant (ETP)..

12.2 The design of different elements of ETP will be done as indicated below.

a. All design criteria shall satisfy worst possible loading combination.b. All liquid retaining structure viz. clarifier/thickener, storage tank etc whetherunderground or elevated, shall be designed as uncracked section as per IS-3370. The basin and the channel will be design considering liquid up to fullheight of wall irrespective of provision of any overflow arrangement.c. Basin or any water retaining structure resting on column and foundation shallbe design as per IS-456-2000, and the design procedure shall be consistentthroughout.

6mm (minimum) thick cement plaster (1:4) shall be provided on all exposed concrete surface.

Minimum clear cover shall be given below:

12.3 All M.S pipe inserts through R.C wall of basins and channels shall be provided with puddle flange. In order to ensure water tightness pipes and other embedment shall be cast monolithically. Both end of the pipe insert shall be plugged during construction.

12.4 All construction joints in water retaining structures shall be provided with PVC water stops.

12.5 Necessary hand railing shall be provided wherever required.

12.6 The full area below the thickener shall be paved with PCC pre –cast paver block of adequate thickness laid on minimum 150mm thick sand bedding.

12.7 Adequate road shall be provided around ETP for movement of trucks/dumpers for disposal of sludge .

12.8 Suitable sludge handling facilities for ETP shall be envisaged.



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CIVIL REQUIREMENTS

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12.9 Regular stair case shall be either of structural or of concrete.

12.10 Area coming in to contact with acid/alkali vapors or fumes will be given acid/alkali resistant tiles 20mm thick, joined with acid/alkali resistant cement mortar. Bedding with comprise of potassium silicate mortar, conforming to IS: 4832 (part-1) and resin based mortar like epoxy for jointing. Total thickness of flooring shall be 40 mm.

12.11 Civil Work-Material and Workmanship

a. All material and workmanship shall confirm to the relevant parts of Technical Specification which is an integral part of document and the same may be referred.

b. During backfilling of any excavated area, top one (1) meter shall be backfilled with granulated blast furnace slag/approved earth in layers of 250 mm with watering, compacting with vibro roller.

c. The scrap, if any generated during the course of excavation shall be handed over to scrap and salvage department of Employer.

d. All other requirements which are not covered in the Technical Specification shall be generally in conformity with the relevant Indian Standards



Chapter 13

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CODES AND STANDARDS

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13.0 Codes and Standards

13.1 All equipment, system and services covered under this specification shall comply with all currently applicable statutes, regulations and safety codes. Nothing in this specification shall be construed to relieve the VENDOR of his Effluent Treatment Plant responsibility.

13.2 The standards not indicated in the specification are also acceptable, if they are established to be equal or superior to the standards indicated in the specification.

13.3 The metric units/SI units shall be used in all data/ drawings submitted against this package.

13.4 The BIDDER shall furnish the English translations of all standards to which the equipment and systems offered are conforming to, as and when required by the OWNER.

13.5 In the event of any conflict between the codes and the standards referred to elsewhere in the specification and the requirements of this specification, more stringent of the two shall govern.

13.6 The latest issue of IS codes prevailing at the time of submission of finaloffer shall be applicable. However, if there are any revisions during theexecution of the contract, the same shall be applicable and the costimplication if any shall be mutually discussed.

13.7 All equipment shall comply with the statutory requirements of the Government of India and the Government of Jrarkhand .

13.8 Bidder shall adhere to the various statutory regulations, such as State Factory Rules, Indian Explosives Acts, State Electricity Rules, Static and Mobile Pressure Vessels Codes / Unfired Rules, etc. Enforced / laid by the Govt. of India and State Government of Jharkhand , NFPA-12 & 2001, FM approval & UL listed during the design, fabrication/ manufacture, inspection, testing, painting, transportation, storage, and erection and commissioning of plant and equipment. Additionally all conditions as mentioned in the General Technical Specification shall be fulfilled.



Chapter 14

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DESIGN AND CONSTRUCTION REQUIREMENTS

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14.0 Design and Construction Requirements

The capacity and design requirements of the Coke Oven ETP shall be as specified in Data Sheet-A.

14.1. Specific Requirements:

1. Bidder to inspect the existing effluent treatment plant attached to the coke oven battery and by product plant and prepare the scheme (Consultant should specify the scheme) for augmentation of existing Coke Oven ETP so that it can effectively treat the effluent/waste water volume of 230 m3/hr (125 m3/hr as per existing plant design +additional 105 m3/hr for the new facility to be installed) within the discharge standards when the new coke oven battery and the associated by product plant will be in operation along with the existing oneRefer chapter no. 4 for Constraints in the SP1 area. Bidder shall visit the site minutely and come with all possible solutions. The scheme shall be submitted to PURCHASER/CONSULTANT for approval.

2. Bidder shall ensure that augmentation of existing Effluent

Treatment plant shall not affect the performance of coke oven plant.

3. Necessary process, instrumentation and automation requirement should be considered along with augmentation job.

4. The augmentation should have facility for tertiary treatment so that the discharge water from the augmented plant should be colourless and can be reused within the work.

5. OTHER REQUIREMENTS

a. Accessibility and Interchangeability.

All working parts, in so far as possible, are to be arranged for convenience ofoperation, inspection, lubrication and ease of replacement with minimum downtime.

b . Quality and Workmanship

Workmanship and materials shall be of good commercial quality suitable for thepurpose intended and in accordance with the highest standards and practices for equipment of the class covered by the specification.

c Lubrication

All equipment shall be suitably lubricated in manufacturer’s shop prior to dispatch



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wherever feasible, otherwise after erection and installation.

d Safety

All equipment shall be complete with approved safety devices wherever a potential hazard to personnel exists and with provision for safe access of personnel to and around the Effluent Treatment Plant for operation and maintenance functions.

These items shall include not only those usually furnished with elements of machinery , but also the additional covers , guards, stairways, ladders , platforms, handrails, alarms, etc which are necessary for safe operation of the plant.

e Layout Requirement

General Arrangement of ETP of Coke Oven Plant is shown in enclosed drawing number TCE-9506A-130-GA-1154. Bidder shall review the same & confirm the relative location of the equipments for their satisfactory performance. Bidder shall furnish his layout along with the offer considering the space restriction around the Effluent Treatment Plant.



Chapter 15

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MISCELLANEOUS SERVICES

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15.0 Miscellaneous Services

15.1 PAINTING

All plant and equipment shall be painted conforming to relevant clauses as per paining practice of TSL.

15.2 SPARES

15.2.1 Commissioning spares

The Contractor shall supply the spares required for commissioning of the equipment & for its smooth and efficient operation up to successful commissioning. These items shall be based on the Contractor’s experience in commissioning similar plants in the past. The list of commissioning spares shall be delivered along with the main equipment at site. The Contractor shall supply all commissioning spares which will be required for successful erection, testing & commissioning of the complete system without any commercial implication. The Contractor shall be responsible for having the required items at site in sufficient quantities to take care of the commissioning requirement.

15.2.2 Spare parts for two (2) years normal operation

The Contractor / successful Bidder should furnish the list of recommendedspare parts for two years normal operation. The supply of spares for two yearsnormal operation is not included in the scope of Bidder.

15.2.3 Insurance spares

Contractor shall indicate Insurance Spares, as required for smooth and troublefree operation of Effluent Treatment Plant, with their Bid.

15.2.4 Tools and Tackles

The Contractor shall include adequate sets of the special tools and tackles fornormal operation and maintenance of the equipment with less manpower intheir scope of supply..

15.2.5 Consumables and Operating Supplies

The Bid shall include brand names and tentative quantities of all consumablematerials such as lubricants, flushing oil, fills etc., required during start-up,commissioning, initial filling and yearly requirements for normal operation. Thesuccessful Bidder shall supply such materials required for initial filling andduring start-up & commissioning.



Chapter 16

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TERMINAL POINTS

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16.0 Terminal Points

16.1 Electrical Power: Electrical Power source will be identified by the owner Duplicate full capacity feeders shall be made available at the MCC by Purchaser.

16.2 Makeup water:

Industrial quality make-up water shall be made available to the contractor at only at one point at a pressure of 1.0 kg/cm2 at battery limit. The top of pipeline shall be approximately 1.2m below the area ground level.

16.3 Service water:

Service water tap off shall be provided at a suitable location at the ETP boundary by the Purchaser.

16.4 Drinking water:

Drinking water tap off shall be provided at a suitable location at the ETP boundary by the Purchaser. Drinking water at pressure 1.5-2.0 kg/cm2(g) and 1.2 m below the ground level.

16.5 Compacted sludge: From the sludge drying manual transportation to the dumping pit.



Chapter 17

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DRAWINGS & DOCUMENTS

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17.0 Drawings & Documents

Different drawings & documents during bid stage & after award of contract for Effluent Treatment Plant of ETP shall be conforming to relevant clauses of TCE & TSL.

17.1 Mechanical Drawings and documents to be furnished along with the BID

The following documents shall be furnished by bidder along with bid (Mandatory).

F) Flow Diagram with parameters.G) List of Equipments.H) Layout.I) Filled –in DATA SHEETS - B.J) Previous Experience in Such Plants in India.

17.2 Electrical Drawing and documents to be furnished along with the BID

a) Un –priced copy of list of equipments b) Consumer list c) Location and numbering of various electrical equipments d) List of deviation, if any e) List of 2 years maintenance spares f) List of commissioning documents

Drawing and documents to be furnished for Approval to the PURCHASER/ENGINEER by Successful Bidder.

a) Motor and component list.b) In the event of order shall submitted all GA,SLD , Control schematicslayouts, cable schedule, data sheets, ICS etc. for equipmentssupplied/installed by them. For the motors to be supplied by them

Bidder shall furnish following:- Motor data sheet for all motors indicating rating, full load current,starting time (no load& coupled with load at 100% and 80 %voltage), stall tine, thermal time constants (heating & cooling), noof starts etc, motor GD2 , local GD2, coupling GD2.- Thermal curves- Torque speed characteristic curves for both motors and loads.

Drawing and documents to be furnished for referencea) All drawing and documents approved by the clients.b) Operation and maintenance manuals.



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c) Final test certificates.d) As built drawings.e) Technical particulars, Manufacturer’s catalogues literature etc.f) Spare parts list and drawings.g) Final test certificates.

17.3 Instrumentation Drawing and documents to be furnished along with the BID

a) Process and instrumentation (P&I) diagrams indicating all local and remote measurements, alarm and interlock functions, using ISA symbols and using suitable tag numbers against each instrumentation equipment.b) List of measurements, alarms and interlock, along with BOQ and brief specification of each instrumentation item indicating make, model series, scale range, quantity, application and tag number (as per P& I diagrams).c) Detailed technical literature of the instruments offered.d) List of commissioning spares with details.e) List of two years operation and maintenance spares with details andunit rates.

Drawing and documents to be submitted by the successful Bidder forapproval.a) Finalized process and instrumentation (P & I) diagrams indicating all local & remote measurement, alarm & interlock functions, using ISA

b) symbols and using suitable tag numbers against each instrumentation equipment. Alarm and interlock functions shall also be indicated in the P & I diagrams.

c) Finalized list of measurements, alarms & interlocks, along with BOQ and specification of each instrumentation item indicating make, model number, scale range, quantity, application and tag number (as per P&I diagram).

d) Detailed specification datasheet for each instrumentation item, filled in as per the format finalized for this plant. Detailed technical literature/ catalogue for each item highlighting the model number.

e) Quality assurance plan for each instruments.

f) Drawing and documents to be submitted by the successful Bidder for scrutiny and reference.

i) Installation diagrams.

ii) Manufacturer’s test, calibration and guarantee certificates for all instruments.

iii) Operation and maintenance manuals for instruments.



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iv) As built documents.

*Note –The above drawing/documents are indicative only not exhaustive. Biddermay submit additional drawings/documents if the same are required to complete thebid in all respect.



Chapter 18

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PROJECT SCHEDULE

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18.0 Project Schedule

18.1 The Successful Bidder shall submit the following along with the offer considering completion of the entire work (design, engineering, supply, erection, testing and commissioning) within Twelve (12) months from the date of LOI or Order whichever is earlier.

18.1.1 Overall bar-chart schedule The overall bar-chart schedule should be planned in weeks. The heads to be covered in the schedules shall broadly be as follows:

i. Site survey and collection of Dataii. Basic engineering and approvaliii. Site enabling workiv. Preparation and issue of ordering / technical specifications for sub vendorsv. Tenders and evaluationvi. Placement of orders on sub-vendorsvii. Detailed design and engineeringviii. Submission and approval of drawings for civil & structural, mechanical,electrical worksix. Manufacture and supply of all equipment/ piping/ cables, etcx. Civil foundation work.xi. Structural Fabrication, mechanical and electricalxii. Submission and approval of erection drawings and manualsxiii. Erection of equipment, piping, cables, etc.xiv. Testing and commissioning.xv. Post commissioning support

18.1.2 The major milestones for the project are to be highlighted in the schedule.

18.2 The successful bidder shall submit an overall erection plan for the plant and equipment under his scope of supply along with the tender. The plan shall include the following:

i. Requirement of construction waterii. Requirement of construction poweriii. Requirement of construction and storage areaiv. Off-site/On-site organisation chart for the execution of the project.

18.3 The successful bidder shall submit the following before finalization of Contract:i. Deployment of construction man powerii. The erection techniques to be employediii. Details of deployment of equipment and machinery, tools & tackles, etc, required for structural fabrication, structural and equipment erection.iv. In case simultaneous erection work is carried out along with civil and structural works, the movement of men, machine and materials at

site shall be planned suitably.



Chapter 19

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PROGRESS MONITORING

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19.0 Progress Monitoring

19.1 An effective system of progress monitoring is to be evolved to ensure timely completion of all project activities. In general, progress of the following major activities is to be reported.

i. Issue of ordering / technical specifications and placement of orders on sub vendors for bought out items / componentsii. Detailed design and engineering including submission of drawings and their approval.iii. Manufacturing activities at the works of the Successful bidders / associates / sub vendors.iv. The progress report on inspection status.v. DETPatch of equipment to site.vi. Site activities including receipt of material / equipment at site, erection, testing and commissioning.vii. The Successful bidder shall submit a schedule for site-execution, along with quantitative program in terms of month-wise physical targets for various disciplines of work.viii. A monthly progress report with exception report showing current status of various activities including status of ordered / yet to be ordered items shall be submitted to the Purchaser / or his consultants by the Successful bidder.ix. The monthly progress report shall indicate progress of activities against targeted dates and targeted quantities. Reasons for shortfalls, if any, shall be clearly brought out and proposed remedial measures to arrest the delays shall be indicated by the uccessful bidder in the progress report, wherever applicable.x. The Successful bidder shall furnish information on site activities viz. daily, weekly and monthly progress reports for construction, receipt of equipment, monthly construction/ erection plan, etc. The Successful bidder shall also indicate resource deployment at site, highlights of critical areas and constraints in the progress reports. xi. Other information related to site activities as may be required by the Purchaser / his consultants, shall also be submitted by the Successful bidder.xii. In the interest of timely completion of the project, if required, the area of monitoring can be altered in consultation with the Purchaser/ Consultant.

19.2 The Purchaser/ Consultant shall also have the right to:

i. Invite the Contractor for monthly / fortnightly meetings to review the progress of each activity.

ii. Depute Purchaser’s authorized representatives for ascertaining/ expediting progress at successful bidder’s works.

iii. Suggest remedial actions to bridge-up time gap between planned progress & observed progress.



Chapter 20

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OTHER FACILITIES AT SITE

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20.0 Other Facilities at site

20.1 Communication facilities at site

The SUCCESSFUL BIDDER shall make his own arrangement for all hiscommunication needs such as telephone, telex, etc. at his Site Office. TheTSL-TSL/MECON/PURCHASER will assist the SUCCESSFUL BIDDER ingetting the above facilities, in case he finds difficulty.

20.2 First Aid20.3 Security arrangement at site for ensuring safety to contractor’s manpower and machinery.20.4 Potable water supply.20.5 Power Supply

20.6 First –Aid /Temporary site medical facilities

The SUCCESSFUL BIDDER shall provide necessary first-aid / temporary site medical facilities for all his employees, representatives and workmen at the 'Site'.



Chapter 21

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SUCCESSFUL BIDDER’S COORDINATION WITH PURCHASER

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21.0 Successful bidder’s coordination with purchaser

21.1 In cases where the performance of the erection work by the SUCCESSFULBIDDER affects the operation of the system facilities of the TSL/TCE such erection work of the SUCCESSFUL BIDDER shall be scheduled to be performed only in the manner stipulated by the TSL/TCE and the same shall be acceptable at all times to the TSL/TCE may impose such restrictions on the facilities provided to the SUCCESSFUL BIDDER suchas electricity, water, etc. as he may think fit in the interest of the TSL/TCE and the SUCCESSFUL BIDDER shall strictly adhere to such restrictions and co-operate with the TSL/TCE. It will be the responsibility of the SUCCESSFUL BIDDER to provide all necessary temporary instrumentation and other measuring devices required during startup and operation of the equipment systems which are erected by him. The SUCCESSFUL BIDDER shall also be responsible for flushing and initial filling of all the oil and lubricants required for the equipment furnished and erected by him, so as to make such equipment ready for operation. The SUCCESSFUL BIDDER shall be responsible for supplying such flushing oil and other lubricants unless otherwise specified elsewhere in these documents.

21.2 The successful bidder at all times shall work in coordination with the TSL/TCE and offer them all reasonable facilities to become familiar with

the erection, operation and maintenance of the equipment.

21.3 In respect of observations of local rules, administrative orders, working hours and the like, the SUCCESSFUL BIDDER and his personnel shall co operate with the TSL/TCE.



Chapter 22

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SECURITY

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22.0 Security

The SUCCESSFUL BIDDER shall have total responsibility for all equipment and materials in his custody stored, loose, semi-assembled and/or erected by him at 'Site'. The SUCCESSFUL BIDDER shall make suitable round the clock security arrangements including employment of security personnel to ensure the protection of all materials, equipment and 'Works' from theft, fire, pilferage and any other damages and loss. All materials of the SUCCESSFUL BIDDER shall enter and leave the project 'Site' only with the written permission of the TSL/TCE in the prescribed manner. In case of inadequate security, TSL/TCE reserves the right to deploy necessary security at site. All expenses incurred by TSL/TCE on account of this will be charged to the SUCCESSFUL BIDDER.



Chapter 23

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PROTECTION OF PROPERTY AND SUCCESSFUL BIDDER'S LIABILITY

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23.0 PROTECTION OF PROPERTY AND SUCCESSFUL BIDDER'S LIABILITY

23.1 The Successful bidder shall be responsible for any damage resulting from his operations. He shall also be responsible for protection of all persons

including members of public and employees of the TSL/TCE and the employees of other Contractors and SUB-CONTRACTORS and all public and private property including structures, buildings, other plants and equipment and utilities either above or below the ground.

23.2 The Contractor will ensure provision of necessary safety equipment such as barriers, sign-boards, warning lights and alarms, etc. to provide adequate protection to persons and property. The successful bidder shall be

responsible to give notice to TSL/TCE of public or private property and utilities when such property and utilities are likely to get damaged or injured during the performance of his ‘Works’ and shall make all necessary arrangements with such PURCHASERs, related to removal and/or replacement or protection of such property and utilities.


TATA Consulting Engineers Limited SECTION: C1

Chapter 24

Sheet

EXISTING PLANT PROCESS DESCRIPTION

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24.0 Existing Plant Process Description:

24.1 Design Details of existing Coke Oven ETP:

The following design conditions has been considered at the time of installation of the existing Biological Treatment plant.

Name of Equipment Supplier Hindustan Dorr Oliver

Name of owner’s consultant Environmental Engineering Consultant, Mumbai

Year of Commissioning 1991-1992

Design Capacity 125 m3/hr.

Process Upstream

Design Condition : Plant has been designed on the basis that it will take its load from the existing Coke Oven battery, existing by product plant and adjoining Benzol Plant.

Present Condition : Plant is taking its load from the existing Coke Oven battery & existing by product plant.

24.2 Design characteristics of the inlet and outlet water from Existing Coke Oven ETPParameters ETP Inlet Value ETP Outlet Value(as

per plant design )Source Outlet of Coke Oven

Pre Treatment plant, Benzol Plant

Coke Oven Coke Oven ETP

Volume m3 /hr 125 125TSS in ppm 480 < 100Oil & Grease 50 < 10TDS in ppm 3200 2100pH 8-10 7-9COD in ppm 4000 250BOD in ppm 2400 < 30Ammonia as NH3 in ppm 150 50Cyanide as CN in ppm 28 0.20Thiocyanate in ppm 650 150Phenol in ppm 400 1



Chapter 24

Sheet


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24.3 Operating characteristics of the inlet and outlet of water from Existing Coke Oven ETPParameters ETP Inlet Value ETP Outlet

Value(*as per SGS analysis)

SourceCoke Oven Pre

Treatment plant,LD1


Volume m3/ hr 75 75TSS in ppm 46-52 70-90Oil & Grease * 4.8-6.4 2-5TDS in ppm 3720-3808 70-90pH 7.8 7-9COD in ppm 2116-2356 160BOD in ppm 1050-1150 < 30Ammonia as NH3 in ppm 117.6-132.11 15-20Cyanide as CN in ppm 4.8-5.6 0.18-0.20Thiocyanate in ppm 365-475.5 -Phenol in ppm 310-331 < 1

24.4 Existing Plant P rocess Description :

Ammonia cyanide, phenols and thiocyanate get oxidized and dissociated absorbing the oxygen present in water. Biological oxygen demand is the requirement of oxygen for the oxidation of these compounds in water. Usually, such oxidation reactions occur naturally and very slowly and cause suction of oxygen from water. The marine and aquatic life also depends upon this oxygen for its sustenance. So, if these compounds are left in water untreated, they cause danger to aquatic life. These compounds are being oxidized biologically by certain micro organisms. These microorganisms are having the capacity to oxidize these compounds drawing air from the atmosphere.

Equalization tanks:

The B.O.D. plant is designed to handle a pre-treated liquor flow upto 125 m3/hr. Generally the inlet stream to this plant varies in terms of quality and quantity. For improved efficiency and reliability in control processes, this plant is being operated at or near uniform conditions. Two equalization tanks, homogenize the liquor in quality and quantity, before sending it for biological treatment. The volume of each tank is 1680 m3 and detention time per tank is more than 13.4 hrs. The pretreated excess liquor, along with other effluents, is taken into one of these equalization tanks. When one tank is full, the flow is diverted to the other tank. Once a tank is one third filled, air blowing is started through aeration grids provided at the bottom at the rate of 0.9 m3 air/m3 of water. This air causes mixing of liquors for quite a long time, thus preparing a homogenous feed to the actual biological treatment operation. Two blowers are provided for for blowing air.



Chapter 24

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Flash Mixer:

The liquor, after equalization, is pumped to the flash mixer by two pumps for this purpose. The volume of flash mixer is about 1.44 m3, where liquor is mixed with diluted sheet mill liquor. This mixing is facilitated by a motor driven agitator. The sheet mill liquor, which contains ferrous sulphate, supplies Fe++ ions for coagulation. These ions, being positive, get attached to the negatively charged suspended solids in the liquor, thus neutralizing their charge. Due to this, the suspended particles start coagulating, forming bigger particles which will easily settle, with adequate residence time. Coagulant dosage is 2 ml/ l of liquor and the detention time in the flash mixer is 30 seconds.

Clarifloculator:

The liquid passes on to a Clarifloculator. The dimension of Clarifloculator is 13 m dia. × 3.0 m SWD. The flocculation compartment is of 6.5 m dia. The clariflocculator accomplishes two functions i.e. it aids the formation of flocs by gentle agitation and it provides conducive environment for the settling of the flocs. The clear liquor overflows into the distribution chamber by gravity and the sludge settles at the bottom of the Clarifloculator. This sludge is pumped to thickener from time to time. There is an agitator provided in Clarifloculator, which is driven by a motor at a very low rpm. 20% of BOD is removed in the Clarifloculator distribution chamber.

Distribution chamber:

The waste water after primary treatment enters the distribution chamber, from where it is equally divided into the four aeration tanks through 225 OD HDPE pipe, with the help of V- notch weires.

1st Stage Aeration:

From this stage, the main biological treatment of waste water liquor starts .In the removal of carbonaceous BOD, the coagulation of non - settleable colloidal solids and the stabilization of organic matter are accomplished biologically using variety of microorganisms, i.e. bacteria. The microorganism converts the colloidal and dissolved carbonaceous organic matter into various gases and into cell tissues. As these cell tissues have a specific gravity slightly greater than water, the resulting tissues can be removed from the treated liquid by gravity settling.The conversion of organic matter into gaseous end products and tissues can be accomplished aerobically (in presence of air), anaerobic ally (in absence of air) or facultatively using suspended growth or attached system.In the B.O.D. plant , aerobic is being conversion ,where a part of organic matter (Phenol) is converted to end product to obtain energy and parts(cyanide, ammonia, thiocyanates) for the synthesis of new cells and hence the growth. In the aeration tank, both these operation occur simultaneously.The first stage aeration tank consists of 4 separate tanks with volume of 1800 M3 each (dimension -16.5m x33.0 m x 3.3 m) .Two surface aerators are , provided in each of the tanks for supplying oxygen. For the metabolism, oxygen provision is 2.0 kg /kg of BOD.

1st stage clarifier:



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From the first stage aeration tank, the mixed liquor continuously overflows into the first stage clarifier by gravity through 400 OD HDPE pipes .Later the solids are separated from liquor by settling. The first stage clarifier is a cylindrical tank of dimension 16 m dia. X 3.0 m .The mixed liquor enters at the bottom of clarifier .An agitator running at low rpm , for gentle settling of solids is provided. The settled solids are either recycled back through the distribution chamber into the aeration tank or are removed to the thickener. Three sludge pumps for handling sludge transportation between the units are provided.

2nd stage Aeration Tank: The overflow from the 1st stage clarifier enters the 2nd stage aeration tank by gravity through 315 OD HDPE pipes, where it undergoes further biological decomposition by microorganism in presence of oxygen. Oxygen required is provided by 2 nos. Surface aerators . This tank has volume of 1650 m3 (16.0m x32.0 m x 3.3 m) .The oxygen supply is 2.0 kg O2 /kg of BOD.

2nd stage clarifier: The mixed liquor from the 2nd stage aeration tank overflows to 2nd stage clarifier .Here again, the solid are separated by settling. The settled solid are either recycled back through pumps into the aeration tank or removed to the thickener. The volume of 2nd

stage clarifier is exactly equal to that of the 1st stage one. Settling is facilitated by gentle agitation. The sludge, which is recycled back to system, is about 50%.

Chlorine Contact tank: The biologically treated waste water from the 2nd stage enters the chlorine contact tank by gravity through 315 OD HDPE pipe .To destroy residual cyanide ,chlorine in form of dilute NaOCL is introduced in the tank by gravity . The detention time in this tank of volume 60 M3 is about 30 min. The NaOCL dosage is 25kg/hr, in which we have 15% available chlorine. After biological treatment, the cyanide is at 5ppm level, which reduces to about 1 ppm. From here, the treated water overflows to a sump of 56 m3 volume and then drained out through V notch chamber.

Thickener : Primary solids from the clarifloculator and excess biological solids from the secondary clarifiers are pumped to the thickener for concentrating the solid content in the sludge. Thickener is a cylindrical tank of dimension 6.5m*2.5m.The solids collected at the bottom are taken to sludge drying beds. Here the solids which remain on the surface of the beds are removed when they are dried and the liquid which percolates through the media is disposed.

24.5 SPECIFICATION OF DIFFERENT SOLUTIONS BEING USED:

Coagulant Solution: Concentration of ferrous sulphate = 10 % Dosage = 4 – 5 ltr/min

(a) Phosphoric acid solution : Concentration = 4 % v/vDosage = 1 ltr/min



Chapter 24

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(b) Sodium Hypochlorite Solution : Concentration = 15 % v/vDosage = 1 ltr/min.

24.6 KEY PROCESS VARIABLES

(a) Temperature of incoming liquor: Then aerobic treatment is ideal below 40 0 C. So, cooling should be done properly after the pretreatment, such that the operations of B.O.D. don’t get hampered. A high temperature may cause destruction of the living organisms.

(b) Ammonia concentration of incoming liquor: High ammonia concentration (> 150 ppm ) will affect the biological system. It will also cause poor BOD and phenol removals. The concentration of ammonia in the treated waste water will also increase because of high inlet ammonia. It will consume more chlorine during decyanidation. So to ensure a low ammonia concentration (<150 ppm) the pH of the liquor after pretreatment. Should be maintained at about 8.5 – 9.0.

(c) PH level: At high pH levels (>10), the micro organisms are adversely affected. To have a favorable biological degradation, the pH should lie between 7.5 to 10 under aerobic conditions.

(d) Aerator Performance: The performance of the aeration tanks will suffer when the aerators are malfunctioning or inoperative. The aerators must supply adequate amount of O2 from the atmosphere to the system.

(e) Nutrient (H3PO4 solution): For the propagation of the microorganisms, nutrients like nitrogen and phosphorus are essential. Laboratory analysis has to be carried out to ensure the presence of these elements in the desires quantity. Proper dosing of H3PO4 solutions should be ensured.

(f) Mixed liquor colour: Healthy sludge shows a light brown colour. A dark blackish colour may indicate anaerobic condition by low oxygen. This situation may require a check of influent flow to the aeration tank.


TATA Consulting Engineers Limited SECTION: D1

Chapter 25

Sheet

DATA SHEET A

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25.0 Data sheet A

25.1 Design Details of existing Coke Oven ETP:

The following design conditions has been considered at the time of installation of the existing Biological Treatment plant.

Name of Equipment Supplier Hindustan Dorr Oliver

Name of owner’s consultant Environmental Engineering Consultant, Mumbai

Year of Commissioning 1991-1992

Design Capacity 125 m3/hr.

Process Upstream

Design Condition : Plant has been designed on the basis that it will take its load from the existing Coke Oven battery, existing by product plant and adjoining Benzol Plant.

Present Condition : Plant is taking its load from the existing Coke Oven battery & existing by product plant.

25.2 Design characteristics of the inlet and outlet water from Existing Coke Oven ETPParameters ETP Inlet Value ETP Outlet Value(as

per plant design )Source Outlet of Coke Oven

Pre Treatment plant, Benzol Plant


Volume m3 /hr 125 125TSS in ppm 480 < 100Oil & Grease 50 < 10TDS in ppm 3200 2100pH 8-10 7-9COD in ppm 4000 250BOD in ppm 2400 < 30Ammonia as NH3 in ppm 150 50Cyanide as CN in ppm 28 0.20Thiocyanate in ppm 650 150Phenol in ppm 400 1



Chapter 25

Sheet

DATA SHEET A

ISSUER0

ISSUER0

ISSUER0

25.3 Operating characteristics of the inlet and outlet of water from Existing Coke Oven ETPParameters ETP Inlet Value ETP Outlet

Value(*as per SGS analysis)

SourceCoke Oven Pre

Treatment plant,LD1


Volume m3/ hr 75 75TSS in ppm 46-52 70-90Oil & Grease * 4.8-6.4 2-5TDS in ppm 3720-3808 70-90pH 7.8 7-9COD in ppm 2116-2356 160BOD in ppm 1050-1150 < 30Ammonia as NH3 in ppm 117.6-132.11 15-20Cyanide as CN in ppm 4.8-5.6 0.18-0.20Thiocyanate in ppm 365-475.5 -Phenol in ppm 310-331 < 1

25.5 SPECIFICATION OF DIFFERENT SOLUTIONS BEING USED :

(a) Coagulant Solution: Concentration of ferrous sulphate = 10 % Dosage = 4 – 5 ltr/min

(b) Phosphoric acid solution : Concentration = 4 % v/vDosage = 1 ltr/min

(c) Sodium Hypochlorite Solution : Concentration = 15 % v/vDosage = 1 ltr/min.

25.6 KEY PROCESS VARIABLES

(a) Temperature of incoming liquor: Then aerobic treatment is ideal below



Chapter 25

Sheet

DATA SHEET A

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40 0 C. So, cooling should be done properly after the pretreatment, such that the operations of B.O.D. don’t get hampered. A high temperature may cause destruction of the living organisms.

(b) Ammonia concentration of incoming liquor: High ammonia concentration (> 150 ppm ) will affect the biological system. It will also cause poor BOD and phenol removals. The concentration of ammonia in the treated waste water will also increase because of high inlet ammonia. It will consume more chlorine during decyanidation. So to ensure a low ammonia concentration (<150 ppm) the pH of the liquor after pretreatment. Should be maintained at about 8.5 – 9.0.

(c) PH level: At high pH levels (>10), the micro organisms are adversely affected. To have a favorable biological degradation, the pH should lie between 7.5 to 10 under aerobic conditions.

(d) Aerator Performance: The performance of the aeration tanks will suffer when the aerators are malfunctioning or inoperative. The aerators must supply adequate amount of O2 from the atmosphere to the system.

(e) Nutrient (H3PO4 solution): For the propagation of the microorganisms, nutrients like nitrogen and phosphorus are essential. Laboratory analysis has to be carried out to ensure the presence of these elements in the desires quantity. Proper dosing of H3PO4 solutions should be ensured.

(f) Mixed liquor colour: Healthy sludge shows a light brown colour. A dark blackish colour may indicate anaerobic condition by low oxygen. This situation may require a check of influent flow to the aeration tank.



Chapter 26

Sheet

DATA SHEET B

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26.0 Data sheet B

EQUALIZATION TANK

Sl. No: Item Bidder To be filled up by the bidder

1 Quantity Nos.

2 Design Flow Rate m3/hr.

3 Size of Equalization Tank m

4 Material of Construction for Tank

5 Retention Time Hr.

6 Type & Details of equalization mechanism

NOTES TO BIDDER

1. DATA SPECIFIED IN DATA SHEET-A HAS NOT BEEN REPRODUCED IN DATA SHEET-B. IN CASE OF DEPARTURE FROM DATA SHEET-A, BIDDER SHALL BRING OUT THE SAME IN THE SCHEDULE OF DEVIATIONS, FAILING WHICH IT SHALL BE CONSTRUCTED THAT BIDDER COMPLIES WITH THE REQUIREMENTS STIPULATED IN DATA SHEET-A.

2. THIS DATA SHEET SHALL BE FILLED UP COMPLETELY AND A COPY SHALL BE ENCLOSED WITH EACH COPY OF THE BID.

SIGNATURE OF BIDDER

DATE



Chapter 26

Sheet

DATA SHEET B

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FLASH MIXER


1 Quantity Nos.

2 Design Flow Rate m3/hr.

3 Size of Flash Mixing Tank m

4 Material of Construction for Tank

mg/l

5 Retention Time sec

6 Type & Details of mixer mechanism

m/sec

7Material of construction for mixer

8 Ration of impeller diameter to tank diameter

9 Rotational speed of impeller

10 Velocity gradient

11 Detail of drives

12 Rated power of motor KW

13 Motor rpm rpm

NOTES TO BIDDER



SIGNATURE OF BIDDER

DATE



Chapter 26

Sheet

DATA SHEET B

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ISSUER0

CLARIFLOCCULATOR

Sl. No: Item Bidder To be filled up by the bidder1 Quantity Nos.

2 Design Flow Rate m3/hr.3 Assumed underflow

losses design inflowm3/hr.

4 Suspended solid of influent raw water

mg/l

5 Maximum suspended solid content of effluent clarified water

mg/l

6 Sedimentation Velocity m/sec7 Retention Timea Flash Mixer Zone minb Flocculator Zone minc Clarifier Zone min8 Design Sedimentation

Area m2

9 Quantity of media required

m2

10 Required plan area of each clarifier

m2

11 Surface loadinga Normal m3/ m2/hr.b Maximum m3/ m2/hr12 Surface area of each

clarifierm2

13 Overall dimension of each clarifier

a Diameter mb Height m14 Sludge Zone Volume m3

15 Sludge bleed off system16 Sludge consistency 17 Sludge retention time min18 Weight of assembly ton19 GA drawing submitted

NOTES TO BIDDER



SIGNATURE OF BIDDER

DATE

1ST STAGE AERATION TANK



Chapter 26

Sheet

DATA SHEET B

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2 Compartments Nos.3 Design Flow Rate m3/hr.4 Average Daily Flow m3/day5 Peaking Factor6 BOD Design Load Kg/day7 F/M8 MLSS Concentration Mg/l9 Aeration Volume

Requiredm3

10 HRT@ average flow hr11 HRT@ design flow hr12 Tank Size

Length mWidth mDepth m

13 Weight of assembly ton14 GA drawing submitted

NOTES TO BIDDER



SIGNATURE OF BIDDER

DATE

1ST STAGE CLARIFIER



Chapter 26

Sheet

DATA SHEET B

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2 Sludge Volume Index g/mL3 Sludge Volume Load m3/ m2/day4 Surface Area Required m2

5 Overflow Rate m3/ m2/day6 Diameter m7 Average Depth m8 Volume m3

9 HRT@ average flow hr10 HRT@ design flow hr

NOTES TO BIDDER



SIGNATURE OF BIDDER

2ND STAGE AERATION TANK




Chapter 26

Sheet

DATA SHEET B

ISSUER0

ISSUER0

ISSUER0

1 Quantity Nos.

2 Compartments Nos.

2 Design Flow Rate m3/hr.3 Average Daily Flow m3/day4 Peaking Factor5 BOD Design Load Kg/day6 F/M7 MLSS Concentration Mg/l8 Aeration Volume

Requiredm3

9 HRT@ average flow hr10 HRT@ design flow hr11 Tank Size

Length mWidth mDepth m

18 Weight of assembly ton19 GA drawing submitted

NOTES TO BIDDER



SIGNATURE OF BIDDER

2ND STAGE CLARIFIER




Chapter 26

Sheet

DATA SHEET B

ISSUER0

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ISSUER0

1 Quantity Nos.

2 Sludge Volume Index g/mL3 Sludge Volume Load m3/ m2/day4 Surface Area Required m2

5 Overflow Rate m3/ m2/day6 Diameter m7 Average Depth m8 Volume m3

9 HRT@ average flow hr10 HRT@ design flow hr

NOTES TO BIDDER



SIGNATURE OF BIDDER

SLUDGE HANDLING FACILITY

Sl. No: Item Bidder To be filled up by the bidder1 Sludge Production Rate kg TS/ kg BOD

2 Sludge Production kg TS/ kg day



Chapter 26

Sheet

DATA SHEET B

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3 Days storage in aeration tank

by increase of MLSS by 0.5 kg/ m3/day

4 Volume @ 0.8% m3/day5 HRT of sludge thickener day

6Volume of sludge thickener

Kg/day

7 Height of sludge thickener

m

8 Dimension of sludge drying bed

Mg/l

Length m3

Width hrDepth

NOTES TO BIDDER



SIGNATURE OF BIDDER

CHLORINATION SYSTEM

Sl. No: Item Bidder To be filled up by the bidder1 Chemical to be dozed

2 Rate of dozing



Chapter 26

Sheet

DATA SHEET B

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8 Dimension of sludge drying bed Length m3

Width hrDepth

NOTES TO BIDDER



SIGNATURE OF BIDDER

CHEMICAL STORAGE TANK FOR POLYELECTROLYTE



Chapter 26

Sheet

DATA SHEET B

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2 Chemical to be handled

2 Nominal capacity m3/hr.3 Storage capacity m3/day4 Dimension of tank5 Material of construction

& thicknessKg/day

6 Propeller/agitator7 b Shaft Mg/l8 c Fixing bracket m3

9 Drive details hr10 Rated kW of drive hr

NOTES TO BIDDER



SIGNATURE OF BIDDER

CHEMICAL STORAGE TANK FOR COAGULANT


2 Chemical to be handled

2 Nominal capacity m3/hr.3 Storage capacity m3/day



Chapter 26

Sheet

DATA SHEET B

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4 Dimension of tank5 Material of construction

& thicknessKg/day

6 Propeller/agitator7 b Shaft Mg/l8 c Fixing bracket m3

9 Drive details hr10 Rated kW of drive hr

NOTES TO BIDDER



SIGNATURE OF BIDDER



Chapter 27

Sheet

PERFORMANCE GUARANTEE

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27.0 Performance Guarantee

After completion of erection, cold tests and hot trial runs and fulfillment of performance of individual equipment and systems, the integrated system performance guarantee tests shall be conducted by the Contractor to establish the rated out-put, quality of treated effluent and power consumption of the Effluent Treatment Plant.

The performance guarantee tests shall be completed within a time schedule to bemutually agreed upon between the Purchaser and the Contractor.

Details of the performance tests, test procedures and test schedules for the demonstration of the performance guarantee shall be submitted to the Purchaser and shall be mutually agreed upon.

Should the performance values fall below acceptable level, the unit/sub-unit/ equipment shall be rejected by the Purchaser and the Contractor shall be liable, at the option of the Purchaser, either to replace the unit/sub-unit/equipment or to pay compensation in addition to the liquidated damage as per the contract or as may be agreed upon.

The following system performance values shall be guaranteed by the Contractor:

i. The discharge effluent from the augmented ETP should satisfy the permissible standards of central pollution control board for all the concerned pollutant parameters.

ii. Energy consumed as measured at motor control centre of the ETP shall not exceed the values quoted during the tender stage.iii.No negative tolerance shall be permissible on capacity and quality of the

treated effluent from the ETP. Further, no positive tolerance shall be permissible for power consumption of the plant.


TATA Consulting Engineers Limited SECTION: E1

Chapter 27

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SHOP INSPECTION AND TESTS

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27.1 SCOPE

This specification covers the requirements for Shop Inspection and Tests tobe carried out by the PURCHASER/ CONSULTANT /INSPECTION AGENCY.

27.2 GENERAL

27.2.1 The plant and equipment covered by the PURCHASE ORDER/CONTRACT shall be subjected to inspection and testing. The VENDOR/CONTRACTOR shall provide all services to establish and maintain quality of workmanship in his works and that of his SUB-VENDOR’s/SUB-CONTRACTOR’s works to ensure the mechanical accuracy of components, compliance with approved drawings, identification and acceptability of all materials, parts and equipment.

27.2.2 For supply of systems, the VENDOR/CONTRACTOR shall, at the start of the PURCHASE ORDER/CONTRACT, furnish a total list of items in his scope of work. This list, giving a brief description of the item, quantity, names of probable SUB-VENDORS/SUB-CONTRACTORS, and a blank column for agency for final approval of drawings and documents, shall be submitted for approval by PURCHASER/CONSULTANT. The blank column shall be filled by PURCHASER/CONSULTANT. The list shall be submitted within two weeks from the date of Letter of Intent.

27.2.3 For systems and major items such as pressure and load bearing items, machineries etc., the VENDOR/CONTRACTOR shall furnish quality plan giving details of checks and tests to be conducted by them on material, process, subassembly and assembly. These shall include requirements as prescribed in the applicable specifications, codes and statutory requirements. The quality plan shall be reviewed by the PURCHASER/ CONSULTANT and the stages to be witnessed and verified shall be indicated by the PURCHASER/ CONSULTANT in the approved quality plan.

27.2.4 The VENDOR/CONTRACTOR shall give the PURCHASER/CONSULTANT written notice of any material being ready for testing as per format enclosed.The clear notice period shall be seven (7) days for local inspection and fifteen (15) days for outstation inspection. Such tests shall be to the VENDOR’s / CONTRACTOR's account except for the expenses of the PURCHASER /CONSULTANT. The PURCHASER/ CONSULTANT, unless the inspection of the tests is virtually waived, shall fix a date for inspection with the VENDOR /CONTRACTOR and attend such tests within fifteen (15) days of the date on which the equipment is notified as being ready for test and inspection failing which, the VENDOR/CONTRACTOR may roceed with the tests and shall forthwith forward to the PURCHASER/ CONSULTANT duly certified copies of tests in triplicate. If the VENDOR/CONTRACTOR fails to offer the equipment for inspection as per the agreed date, he is liable to



Chapter 27

Sheet


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pay for the time and expenses for the infructuous visit of the PURCHASER/ CONSULTANT.

27.2.5 In all cases where inspection and tests are required whether at the premises or works of the VENDOR/CONTRACTOR or of any SUB-VENDOR /SUBCONTRACTOR or at laboratory, the VENDOR/CONTRACTOR, except where otherwise specified, shall provide free of charge all facilities such as labor, materials, electricity, fuel, water, stores, test bed, apparatus and instruments, laboratory tests etc. as may be required by the PURCHASER/ CONSULTANT to carry out effectively such tests of the equipment in accordance with the PURCHASE ORDER/CONTRACT and shall give CONSULTANT facilities to the PURCHASER / CONSULTANT to accomplish testing.

27.2.6 The PURCHASER/ENGINEER shall at all working hours have access to all parts of the VENDOR’s/CONTRACTOR's and his SUB- VENDOR’s / SUBCONTRACTOR's factory where the items of the plant are being prepared, for carrying out inspection activities as deemed necessary. A set of the relevant latest approved drawings with approval marking of the PURCHASER / CONSULTANT and drawings for proprietary items shall be made available by the VENDOR/CONTRACTOR to the PURCHASER / CONSULTANT, for reference during inspection.

27.2.7 In the case of stage inspection hold points, the VENDOR/CONTRACTOR shall proceed from one stage to another only after the component is inspected by the PURCHASER / CONSULTANT and written permission given to proceed further. The same procedure shall be adopted for any rectifications and repairs suggested by the PURCHASER/ CONSULTANT.

27.2.8 The PURCHASER/ENGINEER shall have the right to inspect any machinery, material, structures, equipment or workmanship furnished or used by the VENDOR/CONTRACTOR and may reject any which is defective or unsuitable for the use and purpose intended, or which is not in accordance with the intent of the PURCHASE ORDER/CONTRACT. The VENDOR/ CONTRACTOR, upon demand by the PURCHASER/ CONSULTANT, shall remedy or replace at the VENDOR’s/ CONTRACTOR's expense such defective or unsuitable items of the plant, or the PURCHASER / CONSULTANT may, at the expense of the VENDOR/CONTRACTOR, remedy or replace such defective or unsuitable items of the Plant.

27.2.9 All principal mill test reports, the VENDOR/CONTRACTOR inspection and tests reports, test certificates and test curves shall be supplied for all inspection and tests carried out including other records such as stress relieving charts, radiographic charts and other non-destructive testing records in accordance with the provisions of the PURCHASE ORDER/CONTRACT, duly certified by the main VENDOR/CONTRACTOR. The PURCHASER / CONSULTANT shall reserve the right to call for



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certificates of origin and test certificates for all raw material and equipment at any stage of manufacture.

27.2.10 The PURCHASER/ CONSULTANT shall within fifteen (15) days from the date of inspection as defined herein give notice in writing to the VENDOR / CONTRACTOR of any non-conformance pertaining to all or any equipment and workmanship which in his opinion is not in accordance with the PURCHASE ORDER/CONTRACT. The VENDOR/CONTRACTOR shall give due consideration to such objections and shall either make the modificationsthat may be necessary to meet the said objections or shall confirm in writing to the PURCHASER/ CONSULTANT giving reasons therein that no modifications are necessary to comply with the PURCHASE ORDER/CONTRACT.

27.2.11 When the factory tests and documentation have been satisfactorily completed at the VENDOR’s/CONTRACTOR's or SUB-VENDOR's/CONTRACTOR's works, the PURCHASER/ CONSULTANT shall issue acceptance note or shipping release note or a certificate to this effect within fifteen (15) days after completion, but if the tests are not witnessed by the PURCHASER/ CONSULTANT, the certificate or comments thereof shall be issued within fifteen (15) days of the receipt of the VENDOR’s/CONTRACTOR's test certificate by the PURCHASER/ CONSULTANT. Failure of the PURCHASER/ CONSULTANT to take such an action shall not prevent the VENDOR/ CONTRACTOR from proceeding with the work. The completion of these tests or the issue of the certificates shall not bind the PURCHASER/ CONSULTANT to accept the equipment, should it, on further tests after erection, be found not to comply with the PURCHASE ORDER/CONTRACT.

27.2.12 None of the plant and the equipment to be furnished or used in connection with the PURCHASE ORDER/CONTRACT shall be dispatched until shop Inspection, satisfactory to the PURCHASER/ CONSULTANT has been made. However, such shop inspection and/or certification shall not relieve the VENDOR / CONTRACTOR of his responsibility for furnishing the plant and the equipment conforming to the requirements of the PURCHASE ORDER/ CONTRACT nor prejudice any claim, right or privilege which the PURCHASER / CONSULTANT may have because of the use of defective or unsatisfactory items. Should the PURCHASER/ CONSULTANT waive the right to inspect any item, such waiver shall not relieve the VENDOR / CONTRACTOR in any way from his obligation under the PURCHASE ORDER/CONTRACT. In the event of the PURCHASER’s/ CONSULTANT 's inspection revealing poor quality of goods, the PURCHASER/ CONSULTANT shall be at liberty to specify additional inspection procedures, if required, to ascertain the VENDOR / CONTRACTOR's compliance with the equipment specifications.

27.3.0 SUB-ORDERS AND SUB-CONTRACTS



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27.3.1 In order to facilitate the inspection of bought-out materials and plant, the VENDOR / CONTRACTOR shall submit for approval, three (3) copies of all

suborders and sub-contracts placed by him as soon as these are issued. Copies of any drawings referred to in the sub-order or sub-contracts shall also be submitted, unless agreed otherwise by the PURCHASER/CONSULTANT.

27.3.2 The sub-orders, sub-contracts and drawings referred to above shall include all components which are subjected to electrical and mechanical pressure or stress when the plant is in operation, and also auxiliaries and spares which are to be directly dispatched to site from the SUB-VENDOR’s /SUBCONTRACTOR's works.

27.3.3 All sub-orders and sub-contracts of the main VENDOR/CONTRACTOR shall clearly be marked with the main VENDOR’s/CONTRACTOR's name and the PURCHASER’s/ CONSULTANT’s name and the PURCHASE ORDER/ CONTRACT reference. These shall include the following statement:The plant or the equipment which is the subject of this PURCHASE ORDER/ CONTRACT shall comply in every respect with the requirements of the PURCHASER’s / CONSULTANT 's technical specifications and shall be subject to inspection and tests to the satisfaction of the PURCHASER / CONSULTANT.

27.3.4 For the purpose of this para, it is obligatory on the VENDOR/CONTRACTOR that he advises his SUB-VENDOR/SUB-CONTRACTOR of the pertinent

clauses in this specification when ordering bought-out plant, equipment or materials. In particular, the VENDOR/CONTRACTOR shall advise every SUBVENDOR / SUB-CONTRACTOR that he is required to supply design calculations, drawings, inspection reports and test certificates strictly in accordance with this specification and technical information for inclusion in the Instruction Manual as specified in Section E of the Enquiry Document. The SUB-VENDORS / SUBCONTRACTORS should also be reminded that they shall include with their offer all tools and appliances necessary for proper maintenance and all spare parts in accordance with Section E of the Enquiry Document. Itemised prices of the recommended spare parts shall be

submitted together with the appropriate part numbers and drawings.

27.3.5 Sub-ordering and sub-contracting for major items such as pressure and load bearing items, machinery etc. can be done only with the approval of the

PURCHASER/ENGINEER.

27.4.0 MATERIAL TESTS

27.4.1 In the event of the PURCHASER/ENGINEER being supplied with the certified particulars of tests which have been carried out for the VENDOR/CONTRACTOR by the supplier of material, the



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PURCHASER/ENGINEER may, at his own discretion, accept the same as proper evidence of compliance with the requirements of appropriate specifications for the materials.

27.4.2 The VENDOR/CONTRACTOR is to provide test pieces as required by the PURCHASER/ENGINEER to enable him to determine the quality of material supplied under the PURCHASE ORDER/CONTRACT. If any test piece fails to comply with the requirements, the PURCHASER / ENGINEER may reject the entire lot of material represented by the test piece.

27.4.3 Critical materials used in manufacture of the equipment and construction of the plant covered by the PURCHASE ORDER/CONTRACT may also be subjected to one or more of the Non-Destructive Tests (NDT) as called for in the enquiry document or as mutually agreed. Salvaging of material due to unacceptable defect is to be attempted by the VENDOR/CONTRACTOR only after getting specific concurrence from the PURCHASER / CONSULTANT and according to the approved procedures.

27.5.0 WELDING

27.5.1 All welding involved in construction and fabrication of the plant and items covered under the PURCHASE ORDER/CONTRACT shall be carried out in accordance with specifications and applicable codes.

27.5.2 Welding procedures and welders' qualifications shall be approved by the PURCHASER / CONSULTANT. Where applicable, welders shall be tested as detailed in codes specified for pipe welding, vessel welding and structural welding and appropriate to the corresponding weld position using test pieces

of appropriate parent metal to be used on the job. The PURCHASER/ CONSULTANT shall have the right to have any welder re-tested at any time

during the PURCHASE ORDER/CONTRACT.

27.5.3 Recommendations of applicable codes shall be followed for non-destructive tests, wherever applicable.

27.5.4 Copies of all welding procedures, procedure qualification records, welders' performance qualification certificates, post-heating and stress relieving records, NDT records and other test results shall be made available upon request of the PURCHASER/ CONSULTANT.

27.6.0 FABRICATION AND INSPECTION

Fabrication and inspection procedures for Effluent Treatment Plant of Gas Cleaning Plant shall be in accordance with procurement specifications, quality plan, applicable codes or any other approved equal.

27.7.0 TESTS AT MANUFACTURER'S WORKS



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27.7.1 GENERAL

The tests at works shall include electrical, mechanical and hydraulic tests in accordance with the appropriate clauses of Statutory Regulation, relevant codes and standards and approved drawings and specifications and in addition any test called for by the PURCHASER/ CONSULTANT to ensure that the plant being supplied fulfils the requirements of the specifications. The VENDOR/CONTRACTOR shall carry out all the shop tests and inspections specified under individual items of the equipment in Section-D of the enquiry document, in addition to those normally required as per codes and standards.For items not covered by any code or specifically mentioned in the specifications, the tests are to be agreed with by the PURCHASER/ CONSULTANT. If considered necessary by the PURCHASER/ CONSULTANT, multi-part assemblies shall be fully erected and tested in the works prior to packing and dispatch to the site.

27.7.2 TEST CERTIFICATES

Certificates shall be supplied according to the Distribution Schedule. All the tests shall be carried out in accordance with the provisions of the PURCHASE ORDER/CONTRACT.

All test certificates must be endorsed with sufficient information to identify the material or the equipment to which the certificates refer, and must carry at the top right hand corner the identification of the PURCHASER/ CONSULTANT and the PURCHASE ORDER/CONTRACT.

27.7.3 CALIBRATION

All instruments used for critical measurement such as pressure gauges for leak tests, instruments for measuring performance parameters; instruments for precision dimension measurements shall have valid calibration certificates traceable to national standards. This means that the calibrating agency engaged by the VENDOR/CONTRACTOR shall use instruments which are in turn calibrated by Government approved agencies and such information shall be recorded in the calibration certificate issued by the calibrating agency by giving the certificate number, date and date of validity of the certificate given by the Government approved agency.

27.8.0 COLD TEST AND ICT

27.8.1 Cold test shall include, inter alia, completion, erection, checking of alignments, rotation and vibration, checking of insulation, checking of cabling interconnection, input /output connection check, calibration of instruments, pressure testing of pipelines, idle or over-load tests.



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27.8.2 Income of refurbishing work, improvisation required to carry out cold test is included in Contractor’s scope.

27.8.3 The cold test shall be performed on all plant and equipments and items,covered under the contract /order.

27.8.4 After completion of ICT, the PURCHASER will issue ICT certificate to the contractor.



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FORMAT FOR INSPECTION REQUEST FROM THEVENDOR/CONTRACTOR

To,Tata Steel Limited,Attn: Mr/Ms

PROJECT MANAGER

Dear Sir/Madam,

Items detailed below are ready for inspection. Please arrange inspection and confirm the date.

1. PURCHASER

2. PROJECT

3. PURCHASE ORDER/CONTRACT REFERENCE NUMBER

4. ENGINEER REFERENCE NUMBER

5. SUB-VENDOR/SUB-CONTRACTOR

6. SUB-VENDOR’s/ SUB-CONTRACTOR’s ADDRESS

7. PLACE OF INSPECTION AND ADDRESS

8. CONTACT PERSON, PHONE, FAX AND E-MAIL ID

9. DESCRIPTION OF ITEM AND QUANTITY

10. NATURE OF INSPECTION REQUIRED

11. PROPOSED DATES

12. WEEKLY HOLIDAY

We confirm that the items have been fully inspected and tested by us. All stages ofinspection as per approved quality plan have been carried out by us and all materialtest certificates, quality control records and test reports and valid calibration reports



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of measuring and testing instruments with traceability to national level are ready withus.

Thanking you and awaiting your confirmation,

Yours faithfully,

Note 1 Following clear notice periods (Date of Receipt at TPL to Date of Inspection) are required: (a) Local Inspection - 7 days (b) Outstation Inspection - 15 daysNote 2 Weekly Holidays for TPL - Saturday and Sunday cc: Purchaser

cc: Sub-Vendor/Sub-Contractor



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28.1.0 SCOPE

This specification covers the requirements to be followed by the VENDOR/CONTRACTOR while submitting Drawings, Engineering Documents andinstruction Manuals.

28.2.0 DRAWINGS AND DOCUMENTS

28.2.1 All drawings and documents submitted by the VENDOR/CONTRACTOR including those submitted at the time of bid shall be with sufficient detail to indicate the type, size, arrangement, weight of each component, breakdown for packing and shipment, the external connections, fixing arrangements required, the dimensions required for installation and interconnection with other equipment and materials, clearance and spaces required between various portions of equipment and any other information specifically requested in the enquiry document.

28.2.2 Each drawing and document submitted by the VENDOR/CONTRACTOR shall be clearly marked with the following details:

(a) Name of the PURCHASER

(b) Name of the ENGINEER

(c) Project Title including (if applicable) number of units and unit numbers

(d) Purchase Order Number/Contract Number

(e)Title of the Drawing or Document clearly identifying the system, equipment or part

(f) Drawing or Document Revision Number and Date of Revision

(g) Space for PURCHASER/CONSULTANT's Drawing Number

(h) Name of the VENDOR/CONTRACTOR

(i) In case of SUB-VENDOR/ SUB-CONTRACTOR or MANUFACTURER's drawing, name of the SUB-VENDOR / SUBCONTRACTOR or MANUFACTURER shall be incorporated.

(j) Drawings and documents shall be duly signed in ‘checked’ and ‘approved’ columns.

(k) Scale to which the drawing is drawn

(l) Cross references to all relevant drawings and documents



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(m) All relevant notes to the drawings and documents. All notes necessary for understanding and execution of work shown on a drawing or document shall be presented on the same drawing or document.

(n) All legends to all notations.

(o) Details of revisions carried out as mentioned in para 28.2.13 below.

(p) Bill of materials shall be tabulated, wherever required.

(q) All titles, noting, markings and writings on the drawing shall be in English.

(r) All the dimensions shall be in metric units.

(s) If standard catalogues are submitted, the applicable items shall be highlighted there in.

28.2.3 CATEGORISATION OF DRAWINGS AND DOCUMENTS

28.2.3.1 The drawings and documents submitted by the VENDOR/CONTRACTOR are generally categorized under the following three heads:

(a) Drawings and documents which are to be reviewed and approved (Category FA)

(b) Drawings and documents which are to be reviewed and commented but are not for approval (Category FR).

(c) Drawings and documents which are for information and records only (Category FI)

28.2.3.2 The category of each drawing and document shall be decided by the PURCHASER/CONSULTANT.

28.2.4 LIST OF DRAWINGS AND DOCUMENTS

On the issue of Purchase Order or Award of Contract, the VENDOR/CONTRACTOR shall furnish a detailed drawing and document schedule with descriptive title and expected dates of submission within the time as specified in the enquiry document. The categorization of drawings and documents as per para 28.2.3.1 above shall be marked by the PURCHASER/CONSULTANT on the Drawing and Document Schedule. The VENDOR/CONTRACTOR shall incorporate these details and submit revised schedules. This schedule shall be revised and drawings and documents added, as necessary, during the progress of work with the concurrence of the PURCHASER/ENGINEER.



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28.2.5 QUALITY OF DRAWINGS AND DOCUMENTS

28.2.5.1 The VENDOR/CONTRACTOR shall prepare all necessary detailed drawings,documents and designs etc., giving full and complete information to enable the PURCHASER/CONSULTANT to properly review the design of work.

28.2.5.2 Drawings and documents shall be fully legible and drawn in ink and all writing shall be clearly printed or stenciled.

28.2.5.3 Reproduced drawings shall be clear and legible with no background shade. Sections and details of points of the work shall be shown on the samedrawing of the work to which these relate.

28.2.5.4 Drawings and their title blocks shall be properly drawn, prepared and printed to the approval of the PURCHASER/CONSULTANT.

28.2.5.5 Drawings poorly drafted or engineered or without signatures in checked and approval columns will be returned to the VENDOR/CONTRACTOR without review, for necessary action.

28.2.6 DRAWINGS AND DOCUMENTS BY SUB-VENDORS / SUB-CONTRACTORS

Drawings and documents provided by the SUB-VENDORS/ SUBCONTRACTORS shall be checked thoroughly by the VENDOR/CONTRACTOR with special regard to measurements, size of components, material and details to satisfy himself that they conform to the requirements and to the intent of the enquiry document and the VENDOR/CONTRACTOR shall place thereon his signature and the date of his approval before submitting the same to the PURCHASER/CONSULTANT. Drawings and documents found to be inaccurate or otherwise in error shall be returned to the VENDOR/ CONTRACTOR for corrections.

28.2.7 DESIGN CALCULATIONS

The VENDOR/CONTRACTOR shall generally furnish the following information.

28.2.7.1 Manual Design Calculations

(a) Input data and source of information

(b) Design criteria to satisfy statutory requirements

(c) Formulae used and references for the same

(d) Assumptions made. Assumptions made based on experience shall beclearly mentioned.



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(e) Latest applicable National/International Codes and Standards. The Codes and Standards shall be referred to with year of publication, revision number, amendment/addenda.

(f) Reference drawings and documents along with their revision numbers

(g) Final results, conclusions and recommendations.

28.2.7.2 Analysis and Design Calculations using Computers

(a) VENDOR/CONTRACTOR shall use accredited and validated software and the same shall be indicated.

(b) Modeling, wherever applicable

(c) All information as called for in para 28.2.7.1 above

28.2.8 SEQUENCE OF SUBMISSION OF DRAWINGS AND DOCUMENTS

28.2.8.1 Drawings and documents shall be submitted without delay in line with the agreed schedule as per para 28.2.4 above. Number of copies submitted to the PURCHASER/CONSULTANT shall be as per the distribution schedule in Section-F of the enquiry document.

28.2.8.2 The sequence of submission of drawings and documents shall be such that all information or data is available for reviewing each drawing and document when it is received.

28.2.8.3 Revised drawings and documents shall be immediately re-submitted for approval unless directed otherwise by the PURCHASER/CONSULTANT.

28.2.8.4 Drawings and documents submitted out of sequence will be returned to the CONTRACTOR without review for re-submission as per the sequence of drawing and document submission.

28.2.9 The PURCHASER/CONSULTANT shall have the right at all reasonable times to see at the work place of the VENDOR/CONTRACTOR, all drawings and documents of any portion of the work.

28.2.10 The drawings and documents submitted by the VENDOR/CONTRACTOR shall be reviewed by the PURCHASER/CONSULTANT as far as practicable within four (4) weeks and shall be marked up with comments, if any. One print of such drawings and documents shall be returned to the VENDOR/ CONTRACTOR duly signed by the PURCHASER/ CONSULTANT clearly identifying the review status of the drawing or document. The VENDOR/CONTRACTOR shall incorporate such modifications and/or corrections and submit the final drawings and



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documents for approval.If the VENDOR/CONTRACTOR is unable to incorporate comments in his drawings or documents, he shall clearly state in his forwarding letter such noncompliance along with valid reasons. Any delays arising out of failure by the VENDOR/CONTRACTOR to rectify the drawings and documents to the satisfaction of the PURCHASER/ CONSULTANT in good time shall not alter the CONTRACT completion date.

28.2.11 Further work by the VENDOR/CONTRACTOR shall be in strict accordance with these drawings and documents and no deviations shall be permitted without the written approval of the PURCHASER/CONSULTANT.

28.2.12 The PURCHASER/ CONSULTANT's approval of the VENDOR / CONTRACTOR’s and SUB-VENDOR’s/CONTRACTOR’s drawings and documents shall not relieve the VENDOR/CONTRACTOR from his responsibility for errors or omissions which may exist, even though work is done in accordance with such approved drawings and documents. When such errors or omissions are discovered later, these shall be made good by the VENDOR/CONTRACTOR at his expense irrespective of any approval of the PURCHASER/CONSULTANT.

28.2.13 REVISION OF DRAWINGS AND DOCUMENTS

28.2.13.1 For all revisions of the drawings and documents, the VENDOR / CONTRACTOR shall ensure that all revisions are clearly encircled with revision numbers marked on the drawings and documents.

28.2.13.2 The VENDOR/CONTRACTOR shall also ensure that general details of revisions are indicated for each revision in the revision block of the drawing or document along with the date and signed by the approving authority.

28.2.14 Any manufacturing and fabrication work carried out prior to the approval of the drawings and documents shall be at the VENDOR’s/CONTRACTOR's own risk and expenses.

28.2.15 Final drawings and documents of the work as completed ('As-Built' drawings) shall be prepared by the VENDOR/CONTRACTOR and forwarded to the PURCHASER/CONSULTANT.'As-Built' drawings and documents shall be submitted within three (3) months of the issue of the Provisional Acceptance Certificate.

28.2.16 REPRODUCIBLES

28.2.16.1 Reproducible, where called for in the distribution schedule in Section F of the Enquiry Document shall be submitted after the approval of drawings and documents.



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28.2.16.2 Upon completion of the installation, the VENDOR/CONTRACTOR shall furnish a complete set of drawings and documents on reproducible tracing.The VENDOR/CONTRACTOR shall make in a neat and accurate manner, a complete record of all changes and revisions to the original design, as installed in the completed work. These drawings and documents shall be submitted to the PURCHASER/CONSULTANT for records and these become the property of the PURCHASER.

28.2.16.3 In case the drawings and documents are prepared using drafting software, original floppy or compact disc shall be submitted. In addition drawings and documents on Kilburn reproducible tracings film or equivalent shall be submitted as called for in the enquiry document.

28.3.0 ENGINEERING DATA

28.3.1 The furnishing of engineering data by the VENDOR/CONTRACTOR shall be in accordance with the schedule for each set of equipment as specified in the technical specifications and the same shall be in English Language and in metric units unless specified otherwise. The review of these data by the PURCHASER/CONSULTANT will cover only general conformance of the data to the specifications and documents interfaces with the equipment provided under the specifications, external connections, and of the dimensions which might affect plant layout. This review by the PURCHASER/CONSULTANT may not indicate a thorough review of all dimensions, quantities and details of the equipment, materials, any devices or items indicated or the accuracy of the information submitted. This review and/or approval by the PURCHASER /CONSULTANT shall not be construed by the VENDOR/CONTRACTOR, as limiting any of his responsibilities and liabilities for mistakes and deviations from the requirements, specified under these specifications and documents.

28.3.2 All engineering data submitted by the VENDOR/CONTRACTOR after final process including review and approval by the PURCHASER/CONSULTANT shall form part of the CONTRACT documents and the entire works covered under these specifications shall be performed in strict conformity, unless expressly advised otherwise by the PURCHASER/ CONSULTANT in writing.

28.4.0 INSTRUCTION MANUALS

28.4.1 The VENDOR/CONTRACTOR shall submit to the PURCHASER / CONSULTANT for their review, the preliminary instruction manuals for all the equipment, covered under the CONTRACT within the time agreed upon between the PURCHASER/ CONSULTANT and the VENDOR/ CONTRACTOR. The final instruction manuals complete in all respects shall be submitted by the VENDOR/CONTRACTOR within thirty (30) days before the first shipment of the equipment. The instruction manuals shall contain full details and As-Built drawings for all the equipment furnished, the erection



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procedures, testing procedures, operation and maintenance procedures of the equipment and the same shall be written in English Language unless specified otherwise in the enquiry document. Each manual shall also include a complete set of approved/ s-built drawings together with performance/ rating curves of the equipment and test certificates where applicable. These instruction manuals shall be submitted in the form of one (1) reproducible original and number of copies shall be as per Section F of the Enquiry Document.

28.4.2 If, after the commissioning and initial operation of the plant, the instruction manuals require any modification / additions / changes, the same shall be incorporated and the updated final instruction manuals shall be submitted in the form of one (1) reproducible original and number of copies shall be as per Section-F of the enquiry document.



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29.1.0 PACKING

29.1.1 All equipment and material shall be protected for ocean shipment, inland transport, and storage at the site, according to applicable Indian Standards (IS) and to the instructions given in this specification.

29.1.2 The PURCHASER/ENGINEER may require inspecting and approving the packing before the items are despatched. However, the VENDOR/CONTRACTOR shall be entirely responsible for ensuring that the packing is suitable for the mode of shipment and such inspection will not exonerate the VENDOR/CONTRACTOR from any loss or damage due to faulty packing.

29.1.3 The VENDOR/CONTRACTOR shall be responsible for any damage to the equipment and materials during transit due to improper and inadequate packing.

29.1.4 Any material found short upon opening the intact packing cases shall be supplied by the VENDOR/CONTRACTOR at no extra cost to the PURCHASER.

29.1.5 Only packages constructed out of sound material and of dimensions proportional to the size and weight of contents shall be used.

29.1.6 All packing cover and packing material shall become the property of the PURCHASER.

29.1.7 In the case of large and bulky equipment, the VENDOR/CONTRACTOR shall be responsible for ascertaining transport limitations and supply the equipment in the minimum number of components or sub-assemblies, within the framework of transport limitations.

29.1.8 For ocean transport, containers shall be used as far as possible. Dimensions of packages and kind of packaging must be chosen to fully utilise the size of containers.

29.1.9 All equipment shall be protected for the entire period of despatch, storage and erection, against corrosion, incidental damage due to vermin, sunlight, rain, high temperature, humid atmosphere, rough handling in transit and storage in open including possible delays in transit. Material and equipment shipped across the sea shall be packed to withstand without damage, the effects of saline atmosphere. All machined and plated parts shall be protected with anti-rust grease. Precautions shall be taken to protect shafts and journals where they rest on wooden or other supports likely to contain moisture. At such points, wrappings impregnated with anti-rust composition or vapour phase inhibitors shall be used. These shall have sufficient



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strength to resist chafing and indentation due to the movement, which is likely to occur in transit. The protective wrappings and impregnation shall last for a minimum period of three months or transport time whichever is more.

29.1.10 All openings in the equipment shall be tightly covered, plugged or capped to prevent foreign material from entering into the equipment.

29.1.11 The contents of the packages shall be sealed in thick polythene sheets. The inside walls of the packages shall be lined with waterproof material to protect the equipment from damage due to dust and moisture.

29.1.12 Adequate provision of skids or pallets shall be made to keep the packages above the ground drain water. Crates and other large containers should have drain holes in the bottom to prevent collection of water within the packing. This is especially important where the cargo itself is subjected to condensation (cargo sweat).

29.1.13 Silica gel or approved equivalent moisture absorbing material in small cotton bags shall be placed and tied at various points on the equipment, wherever necessary.

29.1.14 All cases shall be provided with suitable cut-outs, closed by bolted wooden planks to facilitate inspection by custom authorities. Waterproof transparent papers shall be provided at the cut-out locations to prevent water ingress into the casing through the cut-out.

29.1.15 The contents of the package shall be punched on non-corrosive metal plate and nailed to the package on a prominently visible place. If the number of items in the package is too many, a typed list in transparent waterproof bag shall be kept inside a galvanised sheet steel pocket nailed on to the outside of package at prominently visible location. Copies of the packing list, in triplicate, shall be forwarded to the PURCHASER prior to despatch. All items of material shall be clearly marked for easy identification against the packing list.

29.1.16 Fragile materials shall be securely braced within the package or otherwise amply fastened and packed to prevent shifting or rattling. Soft non-hygroscopic packaging materials shall be placed between the hard packing materials and the fragile equipment. Articles, which do not completely fill the selected package/container, must be cushioned, braced, fastened or blocked to prevent damage to the article itself or destruction of the package. Inner bracing or blocking must be such that the content's weight is distributed over interior surfaces rather than concentrated at one or two points.



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29.1.17Components containing glass shall be carefully covered with shock absorbing protective material such as expanded polystyrene ('Thermo Cole').

29.1.18 All flanges, etc., which are prone to scratching shall be provided with either metal or wooden or plastic blanks bolted in place. Metal blanks should have a minimum thickness of 3 mm and wooden blanks should be made from two layers of wood, each of 10 mm thickness, nailed together with the grain of each layer located at right angles to one another.

29.1.19 Loose material, e.g. bolts, nuts, etc. shall be packed and sealed in polythene bags with proper tagging and packed in cases.

29.1.20 All spare parts shall be packed and treated for long storage conditions at site.

29.2.0 MARKING

29.2.1 All packages shall be clearly, legibly and durably marked with uniform block letters (preferably with waterproof paint) on at least three sides with:

(a) Purchaser’s Name and destination address(b) Purchase Order/Contract Number and Date(c) Vendor’s/Contractor's or Sub-Vendor’s/Sub-Contractor's Name(d) Consignment Serial Number(e) Overall Dimensions(f) Net and gross weights(g) Sign showing 'side up'(h) Sign showing 'fragile' marks in case of delicate equipment(i) Sign showing slinging and sling position(j) Any handling and unpacking instructions, if considered necessary(k) Identification markings relating to the appropriate shipping documents(l) In case of spare parts, each spare part shall be clearly marked and

labelled on the outside of its packing with its description and catalogue/ part number and item number of main equipment to which it relates.

29.2.2 ERECTION MARKS

All equipment comprising multi part assemblies, e.g. steel frameworks, piping, etc. shall be marked with identifying numbers and/or letters corresponding to those of the approved drawings or material lists. These erection marks shall be clearly readable.

Colour banding to an approved code shall be employed to identify members of similar shape or type but of different strengths or grades.



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29.3.0 TRANSPORT

29.3.1 No equipment or material shall be despatched without prior consent (acceptance certificate) of the PURCHASER/ENGINEER or his representative. On receipt of the acceptance certificate, the equipment shall be packed up and made ready for despatch either on Free On Board (FOB), (Free Alongside Ship (FAS), Free On Road (FOR), Free On Truck, (FOT), Free Alongside Road (FAR), or free alongside Truck (FAT) basis as per the PURCHASE ORDER/CONTRACT. If it is on FOB basis, the VENDOR/ CONTRACTOR is responsible for loading the equipment on the board of ship. On FAS basis, another agency takes over from the VENDOR/CONTRACTOR for loading. The same applies to FOR, FOT and FAR, FAT.

29.3.2 Depending upon the equipment and the mode of transport the VENDOR/ CONTRACTOR may propose to deliver the equipment in container or as Break Bulk i.e. in components or sub-assembly form.

29.3.3 In the event of VENDOR/CONTRACTOR proposing to deliver the equipment in Break Bulk form, he shall furnish full particulars of the quantity and approximate size of each item. All sub-assemblies shall be match-marked to facilitate assembly at site.

29.3.4 In case of ocean shipment, the VENDOR/CONTRACTOR shall send an advance 'Advice of Shipment' to the PURCHASER and site separately, so at to reach at least seven (7) days in advance for foreign supply and three (3) days in advance for domestic supply. This advice shall state the Cost including Freight and Insurance (CIF) value of the consignment, the details of the transport and the probable date of its departure and arrival. Copies of packing list shall also be sent along with the advance intimation.

29.3.5 The VENDOR/CONTRACTOR shall ship the equipment on behalf of the PURCHASER by the first available vessel belonging to a recognised shipping line. He shall ensure that the freight rates charged are not higher than the conference rates applicable to the shipping route at the time of shipment and all rebates and refunds available for such consignments are duly taken into account. The VENDOR/CONTRACTOR shall be responsible for the correct appraisal of freight rates (structural or machinery as the case may be), weights and volumes. In no case, the PURCHASER will pay any warehouse or wharf charges.

29.3.6 Immediately after the shipment has been effected, the shipping documents, comprising Bill of Lading, Freight Invoice, FOB/FAS/FOR/FOT/FAT/FAR Invoice, Packing List, Certificate of Origin, Letter to Insurers and Certificates of Inspection shall be issued by the VENDOR/CONTRACTOR in accordance with the instructions of the PURCHASER/CONSULTANT.



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These documents shall reach the PURCHASER before the arrival of ship. Responsibility for delays, loss or damages of shipping documents shall rest with the VENDOR/ CONTRACTOR.

29.3.7 In case of inland despatch by rail or truck, similar equivalent procedures as applicable to rail or truck transportation shall be adopted.

29.3.8 All Equipment manufactured by the VENDOR/CONTRACTOR shall be under his charge. The PURCHASER shall arrange for insurance coverage during shipment and till delivered at site, if necessary.

29.4.0 TRANSPORT OF ELECTRICAL EQUIPMENT AND INSTRUMENTATION ITEMS

29.4.1 Transformers rated 2000 kVA and less shall be shipped filled with oil. Transformers rated above 2000 kVA shall be shipped without oil but with the tank filled with nitrogen or equivalent inert gas. A gas cylinder with suitable reducer connection and pressure gauge shall be supplied. These accessories shall become the property of the PURCHASER. The required quantity of oil shall be supplied separately in non-returnable drums.

29.4.2 Switchgear cubicles and instrument control panels shall be packed and shipped in separate and convenient sections. All withdraw able equipment like circuit breakers and circuit breaker arc-chutes shall be packed and shipped separately. All relays and panel-mounted instruments shall be packed and shipped separately with their operating mechanisms temporarily arrested from movement during transport.

29.4.3 Batteries shall be shipped to site in dry, uncharged condition. Appropriate quantity of acid of the correct specific gravity shall be shipped separately in non-returnable porcelain jars packed in steel wire baskets.

29.4.4 Cables shall be shipped on non-returnable drums, adequately braced, and with cable ends adequately sealed to prevent ingress of moisture.



Chapter 30

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SPARES AND MAINTENANCE TOOLS AND TACKLES

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30.1.0 GENERAL

30.1.1 All spares and maintenance tools and tackles shall be designed to enable maintenance to be carried out in the least time and at the least cost and support resources without affecting the performance and safety aspects.

30.1.2 For all major equipment including pumps, fans, drives, heat exchangers and large valves etc., appropriate structural steel members shall be provided for mounting various handling devices which are necessary for the dismantling and re-assembly of the equipment components during maintenance.

30.1.3 All the spares and maintenance tools and tackles supplied shall be new and unused.

30.1.4 The VENDOR/CONTRACTOR shall guarantee that before going out of production of spares and maintenance tools and tackles for the equipment furnished, he shall give at least 12 months advance notice to the PURCHASER, so that the latter may order his requirement in one lot, if so desired.

30.2.0 SPARES

The BIDDER shall include the following two (2) categories of spares in his scope of supply.

30.2.1 START-UP AND COMMISSIONING SPARES

Spares required for start-up and commissioning of the equipment, plant or system shall be indicated by the BIDDER in TCE.M4-983 ‘Schedule of Start-up and Commissioning Spares’. Unit price and total price to be indicated in this schedule are for information only. Total value of such spares shall be included in the quoted price for supply or erection of the equipment, plant or system. For equipment, plant and system for which erection and commissioning is in the CONTRACTOR’s scope, quantity of spares actually used during the start-up and commissioning or its total value may be more than that indicated in the BID. No additional amount is payable to the CONTRACTOR on this account.

30.2.2 ESSENTIAL SPARES

Essential spares are those, which are considered necessary by the PURCHASER for two (2) years of trouble-free operation of the equipment, plant or system. These shall be as listed in data sheets A. The BIDDER shall include these in TCE.M4-981 ‘Schedule of Essential and Recommended Spares’. Total value of such spares shall not be included in the quoted price for supply or erection of the equipment, plant or system. This value shall be considered for the purpose of the BID evaluation.



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30.2.3 RECOMMENDED SPAERS

Recommended spares are those, which are considered necessary by the BIDDER for two (2) years of trouble-free operation of the equipment, plant or system in addition to those, specified as ‘Essential Spares’ by the PURCHASER. The BIDDER shall include such recommended spares in TCE.M4-981 ‘Schedule of Essential and Recommended Spares’. Total value of such spares shall not be included in the quoted price for supply or erection of the equipment, plant or system. This value shall be considered for the purpose of the BID evaluation.

30.2.4 All spares supplied shall be strictly inter-changeable with the parts for which these are intended to be replacements. The spares shall be treated and packed for long term storage under the climatic conditions prevailing at the site e.g. small items shall be packed in sealed transparent plastic bags with desiccators packs as necessary.

30.2.5 Each spare shall be clearly marked or labelled on the outside of its packing with its description and purpose. When more than one spare is packed in a single case, a general description of the contents shall be shown on the outside of such case and a detailed list enclosed. All cases, containers and other packages shall be suitably marked and numbered for the purposes of identification.

30.3.0 MAINTENANCE TOOLS AND TACKLES

30.3.1 The BIDDER shall indicate and include in his scope of supply all the necessary tools, tackles, appliances and lifting devices for the effective maintenance and servicing of the equipment and its components. The BIDDER shall list themaintenance tools and tackles offered by him in TCE.M4-982 ‘Schedule of Maintenance Tools and Tackles’. The BIDDER shall also include and supply the minimum maintenance tools and tackles, as called for in section C and D of the Enquiry Document. PURCHASER reserves the right to exclude any of the aboveitems from the VENDOR's/CONTRACTOR's scope of supply and effect priceadjustments on the basis of the unit prices quoted. The dispatch of tools, tackles, appliances and lifting devices shall be synchronized with the dispatch of the related equipment.

30.3.2 Each tool and tackle shall be clearly marked with its size and purpose. Each set of tools and tackles shall be suitably arranged in fitted boxes of mild steel construction,the number of boxes being determined in relation to the layout of the plant in question. The taps, stocks and dies shall be kept in approved mild steel boxes with compartments for individual items. If the weight of any box and its contents is such that it cannot be conveniently carried, it shall be supplied on steerable rubber tires wheels.



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30.3.3 Each tool box shall be provided with a lock and two keys and shall be painted navy blue and clearly marked, in white letters, with the name of the equipment, plant or system.

30.3.4 The tools and tackles with the appropriate boxes, are to be handed over to the PURCHASER at the time of issue of the taking-over certificate.

SPEC NO: TCE.M4- TATA Consulting Engineers Limited SECTION:F1

Chapter 31

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SCHEDULE OF GENERAL PERTICULARS

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1.0 Name of the Bidder :

2.0 Address of the Bidder :

3.0 Email ID, fax and telephone address of the Bidder

:

4.0 Name and designation of the officer of the bidder to whom all reference shall be made for expeditious technical co-ordination

:

5.0 Place of Manufacture :

6.0 Service facilities available :

7.0 Availability of spare parts :

8.0 Bidder’s proposal number and date :

9.0 Proposal validity period of 120 days : Yes / No

10.0 Earnest money as desired submitted : Yes / No

11.0 Terms of payment as laid down in General Conditions of Contract

: Yes / No

12.0 Penalty for delay in delivery acceptable as per Commercial Specification

: Yes / No

13.0 Are all technical particulars called for in Data Sheet-B and as called for in other schedules filled-up as per tender requirements?

: Yes / No

14.0 Are all deviations pointed out in Schedule of Deviations.

: Yes / No

15.0 Equipment / items proposed to be manufactured by the Bidder and the facilities available for manufacturing the same

:

16.0 List of major equipment proposed to be bought out with names of manufacturers

:

17.0 Whether sales tax applicable at concessional rate

: Yes / No (If yes, indicate rate)

18.0 Whether octroi payable extra : Yes / No (If yes, indicate rate)

19.0 Whether customs duty payable : Yes/ No (If yes, indicate rate)

20.0 Any other duty payable : Yes/ No (If yes, indicate rate)

SPEC NO: TCE.M4- TATA Consulting Engineers Limited SECTION:F1

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SCHEDULE OF GENERAL PERTICULARS

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21.0 Terms of payment :

22.0 Delivery / completion period as per specification

: Yes / No

23.0 Whether quoted prices are firm?

24.0 Guaranteed delivery period (FOR site) from the date of issue of LOI

25.0 Whether the equipment is guaranteed for 12 months from the date of commissioning or 18 months from the date of delivery whichever is earlier

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SPEC

NO.TCE CONSULTING ENGINEERS LIMITED

SECTION: F2 Chapter 32TCE.GP/9506A/130 0 CO C 27

SCHEDULE OF PRICESSHEET 1 OF 2

GENERAL NOTES

1. This schedule shall be read in conjunction with the enclosed specification and drawing. BIDDER is deemed to have examined the technical and general conditions of Contract and to have acquainted himself with the site conditions and the details of the work to be done and the manner in which the work is to be executed at site.

2. The price shall include cost of all materials, labour, tools, equipment and all requirements, temporary works and contingencies whether referred to or not in the specification for the satisfactory and proper completion of the job.

3. BIDDER shall quote his rates against items of work listed which may be required to be executed by him as a variation from the price quoted and for works which may not fall under the price.

4. The rates quoted shall be reasonable and shall compare favourably with estimated rates. Therefore all the rates quoted under these schedules will be scrutinised item by item with the estimated rates and CONTRACTOR shall abide by negotiated rates.

5. Rates and prices shall be written in ink and shall be entered both in figures and words. Where there is a discrepancy between the rates quoted in figures and words, the rates in words shall prevail. Where there is a discrepancy between the rates and amount, the former shall govern for the correct amount.

6. The unit rates quoted shall include for minor details of construction which are obviously and fairly intended and which may not have been referred to in this document but are essential for the satisfactory completion of the work.

7. The rates shall include cost of dewatering wherever necessary and the OWNER will entertain no claim for payment on this account.

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SPEC

NO.TCE CONSULTING ENGINEERS LIMITED

SECTION: F2 Chapter 32TCE.GP/9506A/130 0 CO C 27

SCHEDULE OF PRICESSHEET 2 OF 2

Sr. No Brief Description Qty. Unit

Ex-works Price

Excise duty Edu cess Sales tax Freight & ins. Unit Price Total Price

Rs. Rs. Rs. Rs. Rs. Rs.

1.0 Supply of Mechanical Equipments / parts

2.0 Supply of Electrical Equipments 1

lot

3.0 Supply of Civil items 1 lot

4.0 Erection of Mechanical Equipments / parts 1 lot

5.0 Erection of Electrical Equipments 1 lot

6.0 Construction 1

lot

7.0 Commissioning

13.0 Other misc. items (if any)

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SPEC NO: TCE.M4-998

TATA Consulting Engineers Limited SECTION:F3

Chapter 33

Sheet 1of 1SCHEDULE OF DEVIATIONS FROM GENERAL

CONDITIONS

All deviations from the Technical Specification shall be filled in by the BIDDER clause by clause in this schedule.

SECTION CLAUSE NO.DEVIATION WITH CLARIFICATION

The BIDDER hereby certifies that the above mentioned are the only deviations from the Technical Specifications for this enquiry. The BIDDER further confirms that in the event any other data and information presented in the BIDDER’s proposal and accompanying documents including drawings, catalogues, etc., are at variance with the specific requirements laid out in the Technical Specifications, then the latter shall govern and will be binding on the BIDDER for the quoted price.

SEAL OF COMPANY SIGNATURE ___________________

NAME ___________________

DESIGNATION ___________________

COMPANY ___________________

ADDRESS ___________________

DATE ___________________

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SPEC NO: TCE.M4-998


Chapter 34

Sheet 1of 1SCHEDULE OF DEVIATIONS FROM TECHNICAL

SPECIFICATIONS

All deviations from the Commercial Conditions of the specification shall be filled in by the BIDDER clause by clause in this schedule.

SECTION CLAUSE NO. DEVIATION WITH CLARIFICATION

The BIDDER hereby certifies that the above mentioned are the only deviations from the Owner’s Commercial Conditions of Specification. The BIDDER further confirms that in the event any other data and information presented in the BIDDER’s proposal and accompanying documents are at variance with the specific requirements laid out in the Owner’s Commercial Conditions of Contract, then the latter shall govern and will be binding on the BIDDER for the quoted price.

SEAL OF COMPANY SIGNATURE ___________________

NAME ___________________

DESIGNATION ___________________

COMPANY ___________________

ADDRESS ___________________

DATE ___________________

The BIDDER shall indicate below a list of similar jobs executed by him, to whom a reference may be made by the PURCHASER.

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SPEC NO: TCE.M4-998


Chapter 35

Sheet 1of 1SCHEDULE OF BIDDERS EXPERIENCE

Enquiry Specification for BOD Plant

Documents

r0 r0 r0 r0 titlespares

b4 tce

r0 schedule of deviations

r0 bidders experiencechapter

e3 spec

f4 spec

c1 spec

b10 spec