v::t fA mRR - BHAVINI...EOT Crane rails and its base plate/Sole all civil work like anchoring works are in the scope of plate (400mm wide x 20mm thick) bolts, grouting to be done supplier

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mRRBHAVIN

~ I(Jl:q <i I~ cf»:q fCl ~a f.:l ~I~ G! R'l"2:sBHARATIYA NABHIKIYA VIDYUTNIGAM LIMITED

('>1 l{dtl{CflI{Cfl1 '3'iP"I fA Government ofIndia Enterprise)Cfl"l q 1<{lCflJ"l/ Kalpakkam - 603 102

;2Cfl"f:;:I;:flf1-,'iTJ{-:r:rJ"l-ERI~<1:rr1(d f?t <1'11 1)/ Kancheepuram Dt.(TN)

i3p.fct!(~~K.VISWANATHANDeputy General Manager

~Mobile:9443316416

~ Ph. No.~FaxNo.~ Email

+91 44-27480939+91 44 - [email protected]({u.bhavini. in

No. BHA VINIICMMfPIPING/2/30/2018/200000 18 Dated zs" February, 2019

PRE-BID MEETING HELD ON 26.02.2019

Sub: Supply and Erection of EOT cranes of Capacity 120/20 t and 60/1 0 t (2 Nos. Each) - reg.

Ref: Two Part Public Tender No. BHA VINIICMMI PIPING/2/30/20 18/200000 18

A pre-bid meeting on the above subject tender was held on 26.02.2019 at BHA VINI site, one patty participated in the pre-bid meeting and raisedcertain queries. Clarifications for the queries are as follows:

TECHNICAL CLARIFICATIONS AND REPLIES:

A. TECHNICAL SPECIFICATION (SECTION-C)

Sl.no Section Title Clause Description Clarification Replies

iii. Trolley runway rails with machinedclamps, bolts and nuts, end stops withspring/rubber buffers and wheel stops. As per the Tender

Scope of 1.1.1 Machined clamps are not specifications holds goodL el

supply (iii&iv) iv. End carriage runway rails with in this regardrequired.machined clamps, bolts and nuts, endstops with spring/rubber buffers andwheel stops.

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Page 1 of 10

Suitable guard shall be fitted on theNot clear DSL guard shall beC1 ix crane crane bridge to prevent

provided to avoid direct2.I accidenLal contact with DSL

contact with wire ropes

Dynamic breakingProtection devices and indicatingResistors are not applicable

resistors are applicabledevices such as limit switches,since the motors areC1 xiii

resistors, insulators; safety switchescontrolled by VWF drives.

3.etc

We will supply base plate, As per tenderrail and clamps. However, specifications, all civil

EOT Crane rails and its base plate/Soleall civil work like anchoring works are in the scope of

plate (400mm wide x 20mm thick)bolts, grouting to be done supplier /bidder. The

continuous below crane rails. Rails to by BHAVINI. The spacing pockets dimension and its1.1.1base plate fixing mechanism. Anchor

between two pockets across spacing shall be takenC14. (xxiv.)bolts and its embedment in RCC Crane

the girder may be from the actual RCCcraneGirder. Grout fill below base plate and

maintained as 275mm girder casted.in pockets of anchor bolts.

instead of 250mm for easyalignment.

Surface preparation and Noted

Paint and painting including surfacepainting will be done at our

1.1.2 shop before dispatch.C1

(iii)preparation at shop( at site also, if

However, only touch5.required)

painting will be done siteScope ofservices after commissioning.

Induction training forTraining will be imparted Mech.& Electrical1.1.2 Training of purchaser / owner only during commissioning personnel in6. C1

(x) personnelof cranes at site. commissioning, operation

and troubleshooting areas

~g~20fl0

~e30fl0

at site and as well as athis supplier factory

Arrangement of sufficient capacitySuitable capacity of mobile As per the Tender

1.1.2 mobile cranes for shifting andcrane for erection of EOT specifications holds good

7. C1installation of above mentioned EOT

crane to be provided by in this regard(xii.) BHAVINI at free of cost to

cranes in SAS.us.

1.1.2 Test loads, slings & cradle As per the Tender

C1Handling and shuffling of loads with

to be provided to us at free specifications holds good8. (xiii & mobile cranes for load test at site

of cost at erection bay. in this regard.xiv)

As per the Tender

Transportation arrangement forspecifications holds goodin this regard.

1.1.2 shuffling of loads at site (PFBR site to

9. C1(xvi.) SAS of To be done by BHAVINI The transportation

1&2 site and shifting back to PFBR site)distance between PFBR toFBR will be 2 kms andvice versa

Provision of RCCstaircaseSuitable ladder to be is available to reach RCC

1.1.2 Scaffolding systems & ladders required provided by BHAVINI for us girder for EOT crane. In

10. C1 to reach the rails during installation of reach gantry level for case of any additional(xv.) EOT cranes at site erection & commissioning requirement of

of cranes ladder /scaffolding is inthe suppliers scope

1.1.2 The base plate/sole plate (400 mm All civil work including As per tender

11. C1 wide * 20mm thick) continuous below grouting to be done by specifications, all civil(xviii.)

the crane rails and rails to base plate BHAVINJ. works are in the scope of

fixing mechanism. su pplier /bidder.

Anchor bolts includingAs per tender

1.1.2 Anchor bolts and its embedment in specifications, all civil12. C1

RCC crane girder.grouting to be done by

works are in the scope of(xx.) BHAVINI.su pplier /bidder.

Grout filling below base plate & in All civil work including As per tender1.1.2 pockets of anchor bolts and grout grouting is excluded from specifications, all civil

13. C1 strength shall be equal/higher than our scope. EPs are leveled works are in the scope of(xxi.) parent concrete is M30 grade (refer and aligned within the supplier /bidder.

Annexure- III) tolerance of ± 3mm

415V, 3ph, 50Hz power 415V, 3ph, 3 wire, 50Hz

C1Terminal

1.1.4 (i)Power supply 415 V, 3 Phase, 3 wire, supply with earth to be power supply with earth

14. Points 50 Hz provided on DSL fixing side will be providedat the middle of the bay.

b) Design ambient temperature for Ambient temperature willelectrical equipment/devices - 318.0 K What is the reason for two be 45 C and derating

Site (45 C) different ambo Temperature calculations will be given

15. C1 1.1.5.2 for same crane, same bay & during detailedconditions c) Design ambient temperature for same atmospheric engineering stagecables and VVVF drive panels - 323.0 K condition.(50 C)

We request to considered Crane rails are as per

Codes and IRS rail also apart from IS: IS:3443, ISCR-100 for LT,16. C1

standards1.1.6.1 IS 3443 - Crane rail section

3443 for trolley and crane ISCR-80 for CT and design

runway rail calculations will be givenduring detailedengineering stage

~~40fl0

The crane shall be operated from theNoted. However. pendant&RRC (Hand held type) will

C11.1.7.2 cabin, pendent push button and shall

be provided with 2 step Noted17. (iv) be provided with radio remote control

General alsopush buttons for all

design motions.

requirements1.1.7.2

18. C1 (xiii & Ambient temperature Please refer sl.no. 11. Refer sr.no.15 responsexiv) for this query

Any relaxation on delivery

All cranes shall be delivered to site of cranes. 6 months for 4

within 6 months from LO!. Erection nos cranes is too short.

and However, we will complete supply & erectionOther supply, erection & schedule will be as per

19. C1 req uirernents 1.1.8.4commissioning of all the cranes shall commissioning within 12 tender specificationsbe completed within 12 months from months from the date of

approval of drawings andLO!. documents subject to

readiness of site.

We prefer EM brakes of

Hoisting braking system shall include DCEM due to frequently

two mechanical brakes, one of electro failure of ACEM brake.

20. C1 Brakes 2.3.10 mechanical (EM) and other s of Electro We presume power control NotedHydraulic thrustor and on power brake means dynamiccontrol brake braking system inbuilt with

VVVFdrive.

The operator's cabin shall be provided Noted. However, only

C1Operator's 2.3.19.1 with ample space for mounting of all protective panel can be

21. cabin control panels and adequate clearance possible to mount in Noted

for the safety of operator and operator's cabin and all

~Ofl0

maintenance personnel other panels are will beplaced on crane platform

--

Cl General2.4.1

Festoon cable system for crane trolleyWe propose to use IGUS Noted

22. (ix) make drag chain system.

Power 2.4.3Considering safety factor, Noted

23. Clsupply (iii)

240V, IPH, 50Hz, AC for control circuit we prefer 110V, IPH, 50Hz,AC for control circuit

Main power Isolator to be located on the craneThis point is contradictory

Cl distribution 2.4.5 (i) bridge above the girder where the24. to 2.3.19.1 One more isolator jMCB toon crane protective panel is placed be provided between

protective panel and floorisolator

No separate ammeter for Ammeter shall be

Ammeters shall be provided for MH,each panel are not required provided for protective

C1 Meters 2.4.7 as the VWF drive have the panel only25. AH, CT & LT drivesfacility to see the currentbeing drawn by the motors.

All travel motions shall be providedwith VWF drives for long travel This control is applicabledrives. The electrical controls shall be only for 4 corner motor Noted

Control 2.4.826. Cl

features (v)grouped for the individual pair of drives are used for longmotor drive & each pair of motors shall travel. Ifwe use twin drive,be able to drive the crane at reduced this clause is not applicable.acceleration & speed

ClSystem 2.4.13 Main hoist: Two motors with separate Noted. However, suitable

27. description vector drives shall be used, so that in selector switch will be

Gage6oflO

case offailure of one motor or one provided for selection of Noteddrive the CI'(1Jlecan still be used. motor & drive.

2.4.18Trolley and bridge travel, joysticks

This point is contradictoryConfirmed Joystick

28. C1 Radio control(ix)

shall be provided for individualto 2.3.20

motions

Noted

4(a),8 Noted(a),10

Essential (a.b,c), Noted29. Cl NA

spares 11 (a, b,c),13 Noted

&14 Insulators/clamps (non-metallic) as per approval

EssentialOver load relays for each motor

OLR are applicable only for30. Cl 15 long travel.spares Noted

Technical 8.0Crane rails - IS 3443 Please refer sl.no. 12.31. C1

datasheet (3.11) Refer sr.no.16 responsefor this query

Any relaxation on hook No relaxation. TenderClearance

32. Cldrawing

Hook approaches & bottom of truss approaches and bottom of Specification andtruss level to be indicated. drawings holds good.

~C-J

Page 7 of 10

\ v.....,-....r ~age 8 of 10

COMMERCIAL CLARIFICATIONS AND REPLIES;

B. COMMMERCIAL TERMS (SECTION-B)

S1.no Section Title Clause Description Clarification Replies

We request kindly considered For Payment TermsFor supply of Stores, Purchaser's following payment terms for supply. refer Clause No.4 ofnormal terms of payment shall be Section 82. The same(90%) ninety percent of the Contract 10% along with purchase order. holds good.value, on delivery of the Stores at the

20% against approval of GA1. 81 20.1 Project Site/Consignee as indicated in

drawing.the Contract. The Stores shall bedispatched only after the Inspector has 60% + 100% taxes & transportationissued a Shipping Release on after recei pt of material site.satisfactory completion of inspection.

10% on load testing at site.

Terms Balance 10% (ten percent) of the For Payment Termsof Contract value shall be released on refer Clause No.4 of

Payment acceptance of the Stores at Site afterPlease refer Sl.no. 1

Section 82. The same2. 81 20.1.2

inspection and issue of Site Stores holds good.Inspection Report / Receipt Voucherby the consignee

For Supply of plant We request kindly considered For Payment Terms/ equipments /rnachinery /instruments following payment terms for E&C. refer Clause No.4 ofincluding erection and commissioning. Section 82. The same

81 20.2 Purchasers normal terms of payment 10% against mobilization of erection holds good.3. shall be 90% (ninety) of the Contract team at site.

value for supply on delivery at Project 80% + 100% taxes after erection &Site / Consignee as indicated in the commissioning of EOT crane.Contract. The Stores shall be

despatched only after Inspector has 10% on load testing at site.issued a Shipping Release onsatisfactory completion of inspection .

• Balance 10% (ten) percent shall bepaid as per clause no. 20.2.2.

Section B2 is SpecialCommercial Terms andConditions for the

Termstender. Section B2

B2 of 4.0This is contradictory to the Cl. No. holds good for the

4. 2.0 at Section B1 specific clausesPayment

indicated there in,apart from thesespecific clauses SectionB1 holds good

C. SUBMISSION OF TWO PART TENDER (SECTION-D)

Sl.no Section Title Clause Description Clarification Replies

Acceptance of: Payment terms Clause No.4 of

Clause No.4.0 terms of payment under Please refer Section B2 holds good1. D 10.

subsection B-2 special commercial terms commercial terms

Public& conditions.

Procurement Kindly Confirm, If you are registeredPolicy: under the MICRO SMALL AND MEDIUM

Enterprises Development Act 2006,We are enclosing Benefits as notified by the Govt.

16. herewith valid NSIC of India for MSMEs will be(MSMED ACT, 2006) and also Enclose a

certificate applicable for this tender also.copy of registration certificate along withoffer.

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Public Procurement Policy:

If firms registered as Micro, SmallEnterpnse/s as per prevailing gui

\ of MSMED Act, 2006 and with Nat

~. Small Scale Industries Corporatioi0 17 (NISC) are exempted from submis

tender fee/security deposit again:. submission of valid registration

certificate. Hence kindly confirm tsame and also submit the belowdocuments along with offer.

elinesonal

ion oft

he

We are enclosingherewith valid NSICcertificate. Hence, weare exempted fromsubmission of tenderfee and securitydeposit Pleaseconfirm.

As such all commercial tender terms and conditions mentioned in our tender document shall hold good.

.Yours faithfully,

t~(K. VISWANATHAN)

DGM (CMM)For and on behalf of BHAVINI

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