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Ministry of Road Transport and Highways
SPECIFICATIONS FOR ROAD AND BRIDGE WORKS (Up-gradation of Third
Revision) UPGRADED SECTION 500 AND ITS RELATED ASPECTS IN SECTIONS
900 AND 3000 (Addendum to Third Revision) Published by the Indian
Roads Congress on behalf of the Govt. of India, Ministry of Road
Transport and Highways Copies can be had from the Secretary, Indian
Roads Congress, Jamnagar House, Shahjahan Road, New Delhi-110 011.
NEW DELHI 2000 Price Rs. 200/- Plus packing & postage
charges
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published : November, 2000
(Rights of Publication and of Translation are reserved)
Printed at Dee Kay Printers, New Delhi-110015 2000 Copies
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PREFACE TO THE THIRD REVISION
Specifications for Road and Bridge Works'' first published in
1973 has, already undergone two revisions in the past. With the
advent of the externally aided projects based on international
contract documents and modernisation of Highway Construction, it
became necessary to revise the Specifications to be consistent with
equipment based construction tech- niques. Many of these revised
specifications were included in the bidding documents of individual
projects. The specifications have now been completely revised
incorporating all the changes required to take into account the
latest construction practices and the suggestions received from
various users, A few additional chapters on topics not covered
earlier have also been added.
Revision of these specifications could be carried out in a short
time only due to the concerted efforts of officers of the Roads
Wing and the consultants who were intimately connected with this
work, 1 wish to record my appreciation of the efforts put in by all
concerned.
As with all specifications, the Third Revision of the
Specifications will also no doubt need further updating in course
of time. Feed back and suggestions for improvement would be welcome
from all users of the document. New Delhi M. V, SASTRY November,
1994. Director General ( Road Development)
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CONTENTS
SECTION SECTION CLAUSE CLAUSE TITLE PAGENO. TITLE NO. NO.100
GENERAL 101 INTRODUCTION 3 102 DEFINITIONS 3 103 MATERIALS AND T
EST STANDARDS 6 104 SIEVE; DESIGNATIONS 6 105 SCOPE OF WORK 7 106
CONSTRUCTION EQUIPMENT 8 107 CONTRACT DRAWINGS 9 108 SIT E
INFORMATION 9 109 SETTING OUT 10 110 PUBLIC UTILITIES 11 111
PRECAUTIONS FOR SAFEGUARDING 13 T HE ENVIRONMENT 112 ARRANGEMENT
FOR TRAFFIC 14 DURING CONSTRUCTION 113 GENERAL RULES FOR THE 17
MEASUREMENT OF WORKS FOR PAYMENT 114 SCOPE OF RATES FOR 19
DIFFERENT ITEMS OF WORK 115 METHODOLOGY AND SEQUENCE OF 21 WORK 116
CRUSHED ST ONE AGGREGATES 21 117 APPROVAL OF MATERIALS 21 118
SUPPLY OF QUARRY SAMPLES 21 119 USE OF SURFACES BY 22 CONSTRUCTION
TRAFFIC 120 SITE OFFICE FOR ENGINEER AND 22 OTHER SUPERVISORY STAFF
121 FIELD LABORATORY 26 122 SITE RESIDENTIAL 30 ACCOMMODATION FOR
ENGINEER AND OTHER SUPERVISORY STAFF 123 PROVIDING AND MAINTAINING
32 WIRELESS COMMUNICATION SYSTEM 124 PROVIDING AND MAINTAINING 33
VEHICLES FOR THE ENGINEER 125 SUPPLY OF COLOUR RECORD 35
PHOTOGRAPHS AND ALBUMS 126 SUPPLY OF VIDEO CASSETTES 36
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ii Contents SECTION SECTION CLAUSE CLAUSE TITLE PAGENO. TITLE
NO. NO.200 SIT E 201 CLEARING AND GRUBBING 41
CLEARANCE 202 DISMANTLING CULVERTS, 44 BRIDGES AND OTHER
STRUCTURES/PAVEMENTS
3 00 EARTH WORK, 301 EXCAVATION FOR ROADWAY AN 49EROSION
DRAINS
CONTROL AND 302 BLASTING OPERATIONS 57DRAINAGE 303 PRESPL1TTING
ROCK EXCAVATION 61
SLOPES 304 EXCAVATION FOR STRUCT URES 63 305 EMBANKMENT
CONSTRUCTION 67 306 SOIL EROSION AND 83 SEDIMENTATION CONTROL 307
TURFING WITH SODS 85 308 SEEDING AND MULCHING 87 309
SURFACE/SUB-SURFACE DRAINS 90 310 PREPARATION AND SURFACE 94
TREATMENT OF FORMATION 311 WORKS T O BE KEPT FREE OF WATER 95 312
WATER COURSES AT CULVERTS 95 313 CONSTRUCTION OF ROCK FILL 96
EMBANKMENT
400 SUB-BASE S, 401 GRANULAR SUB-BASE 101BASES (NON- 402 LIME
TREATED SOIL FOR IMPROVE 105
BIT UMINOUS) SUB-GRADE/SUB-BASE AND 403 CEMENT TREATED SOIL SUB-
109
SHOULDERS BASE/BASE 404 WATER BOUND MACADAM 112 SUB-BASE/BASE
405 CRUSHED CEMENT CONCRETE 121 SUB-BASE/BASE 406 WET MIX MACADAM
SUB-BASE/ 123 BASE 407 SHOULDERS, ISLANDS AND MEDIAN 128 408 CEMENT
CONCRETE KERB AND 130 KERB WITH CHANNEL 409 FOOT PATHS AND
SEPARATORS 132 410 CRUSHER-RUN MACADAM BASE 133
500 BASES AND 501 PREPARATION OF SURFACE 139SURFACE 502 PRIME
COAT OVER GRANULAR BASE 145COURSES 503 TACK COAT 148
(BI T UMINOUS)
504 BITUMINOUS MACADAM 149
505 BITUMINOUS PENETRATION 157 MACADAM 506 BUILT -UP SPRAY GROUT
160
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iii Contents SECTION SECTION CLAUSE CLAUSE TITLE PAGENO. TITLE
NO. NO. 507 DENSE BITUMINOUS MACADAM 163 508 SURFACE DRESSING 170
509 OPEN GRADED PREMIX CARPET 177 510 MIX SEAL SURFACING 185 511
SEMI-DENSE BITUMINOUS 186 CONCRETE 512 BITUMINOUS CONCRETE 189 513
SEAL COAT 192 514 SUPPLY OF MINERAL AGGREGATES 194 FOR PAVEMENT
COURSES 515 BITUMEN MAST IC 197 516 SLURRY SEAL 202 517 RECYCLING
OF BITUMINOUS 204 PAVEMENT 600 CONCRETE 601 DRY LEAN CEMENT
CONCRETE 211 PAVEMENT SUB-BASE 602 CEMENT CONCRETE PAVEMENT 220 603
ROLLED CEMENT CONCRETE BASE 247 700 GEOSYNTHETICS 701 GEOSYNTHETICS
IN ROAD AND 255 AND BRIDGE WORKS REINFORCED 702 GEOTEXTILES IN
SUB-SURFACE 257 EARTH DRAINS 703 REINFORCED EARTH 259 704
GEOSYNTHETICS FOR HIGHWAY 263 PAVEMENTS 705 PROTECTION WORKS WITH
266 GEOSYNTHETICS 800 TRAFFIC SIGNS, 801 TRAFFIC SIGNS 273 MARKINGS
& 802 OVERHEAD SIGNS 27S OTHER ROAD 803 ROAD MARKINGS 282
APPURTENANCES 804 HECTOMETRE/KILOMETRE STONES 288 805 ROAD
DELINEATORS 289 806 BOUNDARY STONES 289 807 FENCING 289 808 TUBULAR
STEEL RAILING 290 809 CONCRETE CRASH BARRIER 291 810 METAL BEAM
CRASH BARRIER 292 811 ROAD TRAFFIC SIGNALS 295 900 QUALITY 901
GENERAL 299 CONTROL 902 CONTROL OF ALIGNMENT LEVEL 301 FOR ROAD AND
SURFACE REGULARITY WORKS 903 QUALITY CONTROL TESTS DURING 305 CONST
RUCTION
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iv Contents SECTION SECTION CLAUSE CLAUSE TITLE PAGENO. TITLE
NO. NO.1000 MATERIALS 1001. GENERAL 323 FOR 1002. SOURCES OF
MATERIAL 323 STRUCTURES 1003. BRICKS 323 1004. STONES 323 1005 CAST
IRON 324 1006. CEMENT 324 1007. COARSE AGGREGATES 323 1008.
SAND/FINE AGGREGATES 326 1009. STEEL 326 1010. WATER 329 1011.
TIMBER 330 1012. CONCRETE ADMIXTURES 330 1013. REINFORCED CONCRETE
PIPES 331 1014. STORAGE OF MATERIALS 331 1015. TESTS AND STANDARD
OF 334 ACCEPTANCE 1100 PILE 1101. DESCRIPTION 339 FOUNDATIONS 1102.
SUB-SURFACE INVESTIGATION 339 1103. TYPE OF PILES 340 1104.
MATERIALS 340 1105. TEST PILES 341 1106. PRECAST CONCRETE PILES 341
1107. CAST-IN-SITU CONCRETE PILES 344 1108. STEEL PILES 347 1109.
TIMBER PILES 348 1110. DRIVING EQUIPMENT 348 1111. DRIVING 349
1112. RAKER (INCLINED) PILES 352 1113. PILE TESTS 353 1114. PILE
CAP 353 1115. IMPORTANT CONSIDERATIONS, 354 INSPECTION/PRECAUTIONS
FOR DIFFERENT TYPES OF PILES 1116. TOLERANCES 356 1117. TESTS AND
STANDARDS OF 357 ACCEPTANCE 1118. MEASUREMENTS FOR PAYMENT 357
1119. RATE 358 1200. W ELL 1201. DESCRIPTION 361 FOUNDATIONS 1202.
GENERAL 361 1203. SETTING OUT AND PREPARATIONS 362 FOR SINKING
1204. CUTTING EDGE 364 1205. WELL CURB 364 1206. WELL STEINING 365
1207. WELL SINKING 366
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v Contents SECTION SECTION CLAUSE CLAUSE TITLE PAGENO. TITLE NO.
NO. 1208. BOTTOM PLUG 375 1209. SAND FILLING 376 1210. TOP PLUG 376
1211. WELL CAP 376 1211. TOLERANCES 377 1213. TESTS AND STANDARDS
377 OF ACCEPTANCE 1214. MEASUREMENT FOR PAYMENT 377 1215. RAT E 377
1300 BRICK 1301. DESCRIPT ION 381 MASONRY 1302. MATERIALS 381 1303.
PERSONNEL 3S1 1304. CEMENT MORTAR 381 1305. SOAKING OF BRICKS 382
1306. JOINT S 382 1307. LAYING 382 1308. JOINTING OLD AND NEW WORK
383 1309. CURING 3S3 1310. SCAFFOLDING 384 1311. EQUIPMENT 384
1312. FINISHING OF SURFACES 384 1313. ARCHITECTURAL COPING FOR 386
WING/RET URN/PARAPET WALL 1314. ACCEPTANCE OF WORK 386 1315.
MEASUREMENTS FOR PAYMENT 386 1316. RATE 387
140 0 STONE 1401. DESCRIPTION 391 MASONRY 1402. MATERIALS 391
1403. PERSONNEL 391 1404. TYPE OF MASONRY 391 1405. CONSTRUCTION
OPERATIONS 391 1406. ARCHITECTURAL COPING FOR 397
WING/RETURN/PARAPET WALLS 1407. TESTS AND STANDARD 397 OF
ACCEPTANCE MEASUREMENTS FOR PAYMENT 397 RATE 398
15 00 FORMWORK 1501. DESCRIPT ION 401 1502. MATERIALS 401 1503.
DESIGN OF FORMWORK 401 1504. WORKMANSHIP 402 1505. FORMED SURFACE
AND FINISH 403 1506. PRECAUTIONS 404 1507. PREPARATION OF FORMWORK
404 BEFORE CONCRETING
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vi Contents SECTION SECTION CLAUSE CLAUSE TITLE PAGENO. TITLE
NO. NO. 1503. REMOVAL OF FORMWORK 405 1509. RE-USE OF FORMWORK 406
1510. SPECIALISED FORMWORK 406 1511. TESTS AND STANDARDS 407 OF
ACCEPTANCE 1512. MEASUREMENTS FOR PAYMENT 407 1513. RATE 407 1600
STEEL REINFOR- 1601. DESCRIPTION 411 CEMENT 1602. GENERAL 411
(UNTENSIONED) 1603. PROTECTION OF REINFORCEMENT 411 1604. BENDING
OF REINFORCEMENT 411 . 1605. PLACING OF REINFORCEMENT 412 1606. BAR
SPLICES 413 1607. TESTING AND ACCEPTANCE 415 1608. MEASUREMENTS FOR
PAYMENT 415 1609. RATE 415 1700 STRUCTURAL 1701. DESCRIPTION 419
CONCRETE 1702. MATERIALS 419 1703. GRADES OF CONCRETE 419 1704.
PROPORTIONING OF CONCRETE 421 1705. ADMIXTURES 424 1706. SIZE OF
COARSE AGGREGATE 424 1707. EQUIPMENT 425 1708. MIXING CONCRETE 426
1709. TRANSPORTING, PLACING AND 427 COMPACTION OF CONCRETE 1710.
CONSTRUCTION JOINTS 428 1711. CONCRETING UNDER WATER 428 1712.
ADVERSE WEATHER CONDITIONS 430 1713. PROTECTION AND CURING 431
1714. FINISHING 432 1715. TOLERANCES 433 1716. TESTS AND STANDARDS
OF 433 ACCEPTANCE 1717. MEASUREMENTS FOR PAYMENT 435 1718. RATE 435
1800 PRESTRESSING 1801. DESCRIPTION 439 1802. MATERIALS 439 1803.
TESTING OF PRESTRESSING 441 STEEL AND ANCHORAGES 1804. WORKMANSHIP
441 1805. SUPERVISION 445 1806. TENSION1NG EQUIPMENT 445 1807.
POST-TENSIONING 446
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vii Contents SECTION SECTION CLAUSE CLAUSE TITLE PAGENO. TITLE
NO. NO. 1808. GROUTING OF PRESTRESSED 447 TENDONS 1809.
PRE-TENSIONING 447 1810. SAFETY PRECAUTIONS 450 DURING TENSIONING
1811. TRANSPORTATION AND 451 STORAGE OF UNITS 1812. TOLERANCES 451
1813. TEST SAND STANDARDS 451 OF ACCEPTANCE 1814. MEASUREMENT S FOR
PAYMENT 451 1815. RATE 452 1900 STRUCTURAL 1901. DESCRIPTION 455
STEEL 1902 GENERAL 455 1903. MATERIALS 455 1904. FABRICATION 458
1905. ERECTION 471 1906. PAINTING 481 1907. TESTS AND STANDARDS 488
OF ACCEPTANCE 1908. MEASUREMENTS FOR PAYMENT 4S8 1909. RATE 489
2000 BEARINGS 2001. DESCRIPTION 493 2002. GENERAL 493 2003. STEEL
BEARINGS 493 2004. SPECIAL BEARINGS 498 2005. ELASTOMERIC BEARINGS
500 2006. POT BEARINGS 513 2007. INSPECT ION AND TESTING 519 2008.
TESTS AND STANDARDS OF 519 ACCEPTANCE 2009. MEASUREMENTS FOR
PAYMENT 519 2010. RATE 519 2100 OPEN 2101. DESCRIPTION 523
FOUNDATIONS 2102. MATERIALS 523 2103. GENERAL 523 2104. WORKMANSHIP
523 2105. TESTS AND STANDARDS OF 525 ACCEPTANCE 2106. TOLERANCES
526 2107. MEASUREMENTS FOR PAYMENT 526 2108. RATE 5262200
SUB-STRUCTURE 2201. DESCRIPT ION 529 2202. MATERIALS 529
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viii Contents SECTION SECTION CLAUSE CLAUSE TITLE PAGENO. TITLE
NO. NO. 2203. GENERAL 529 2204. PIERS AND ABUTMENT S 529 2205. PIER
CAP AND ABUTMENT CAP 530 2206. DIRT/BALLAST WALL, 531 RETURN WALL
& WING WALL 2207. TESTS AND STANDARDS OF 531 ACCEPTANCE 2208.
TOLERANCES IN CONCRETE 531 ELEMENTS 2209. MEASUREMENTS FOR PAYMENT
532 2210. RATE 532 2300 CONCRETE 2301. DESCRIPTION 535 SUPER- 2302.
MATERIALS 535 STRUCTURE 2303. GENERAL 535 2304. REINFORCED CONCRETE
535 CONSTRUCTION 2305. PRESTRESSED CONCRETE 536 CONSTRUCTION 2306.
TOLERANCES 53S 2307. TESTS AND STANDARDS OF 538 ACCEPTANCE 2308.
MEASUREMENTS FOR PAYMENT 539 2309. RATE 539 2400 SURFACE AND 2401.
GENERAL 543 SUB-SURFACE 2402. PRELIMINARY INVESTIGATION 544
GEOTECHNICAL 2403. DETAILED EXPLORATION 546 EXPLORATION 2404.
EXPLORATION FOR BRIDGE 547 FOUNDATIONS RESTING ON ROCK 2405. BORING
550 2406. RECORDS OF BORINGS 550 AND TRIAL PITS 2407. METHODS OF
SAMPLING 551 2408. PROCEDURE FOR 552 TAKING SAMPLES 2409.
PROTECTION, HA NDLING 554 AND LABELLING OF SAMPLES 2410. TESTS FOR
EXPLORATION 555 OF SHALLOW FOUNDATIONS OF BRIDGES 2411. TESTS FOR
EXPLORATION 555 FOR DEEP FOUNDATIONS OF BRIDGES
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ix Contents SECTION SECTION CLAUSE CLAUSE TITLE PAGENO. TITLE
NO. NO. 2412. TESTING OF MATERIAL FOR 556 GUIDE BUND AND HIGH
EMBANKMENT AND ITS FOUNDATIONS. 2413. MEASUREMENTS FOR PAYMENT 559
2414. RATE 559 2500 RIVER TRAINING 2501. DESCRIPTION 563 WORK AND
2502. GUIDE BUND 563 PROTECTION 2303. APRON 564 WORK 2504
PITCHING/REVETMENT 566 ON SLOPES 2505 RUBBLE STONE/CEMENT 569
CONCRETE BLOCK FLOORING OVER CEMENT CONCRETE BEDDING 2506. DRY
RUBBLE FLOORING 570 2507. CURTAIN WALL AND 570 FLEXIBLE APRON 2508.
TESTS AND STANDARDS OF 571 ACCEPTANCE 2509. MEASUREMENTS FOR
PAYMENT 571 2510. RATE 571 2600 EXPANSION 2601. DESCRIPT ION 575
JOINTS 2602 GENERAL 575 2603. REQUIREMENTS 576 2604. STEEL PLATE
SLIDING 577 EXPANSION JOINTS 2605. FILLER JOINTS 578 2606.
ELASTOMERICS LAB 578 SEAL EXPANSION JOINT 2607. STRIP SEAL
EXPANSION, JOINT 583 2608. TESTS AND STANDARDS OF 587 ACCEPTANCE
2609. MEASUREMENTS FOR PAYMENT 587 2610. RATE 587 2700 WEARING
2701. DESCRIPT ION 591 COAT AN D 2702 WEARING COAT 591
APPURTENANCES 2703. RAILINGS 592 2704. APPROACH SLAB 593 2705.
DRAINAGE SPOUT S 594 2706. WEEP HOLE 595 2707. TESTS AND STANDARDS
OF 595 ACCEPTANCE 2708. MEASUREMENTS FOR PAYMENT 595 2709. RATE
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x Contents SECTION SECTION CLAUSE CLAUSE TITLE PAGENO. TITLE NO.
NO.2800 REPAIR OF 2801. DESCRIPTION 599 STRUCTURES 2801. GENERAL
599 2803. SEALING OF CRACKS 599 BY INJECTION OF EPOXY RESIN 2804.
EPOXY MORTAR FOR 606 REPLACEMENT OF SPALLED CONCRETE 2805. EPOXY
BONDING OF NEW 609 CONCRETE T O OLD CONCRETE 2806. CEMENT GROUTING
609 2807. GUNITING/SHOTCRETE 612 2808. REPLACEMENT/RECTIFICATION
614 OF BEARINGS 2809. DISMANTLING OF CONCRETE 615 WEARING COAT
2810. EXTERNAL PRESTRESSING 616 2811. TESTS AND STANDARDS OF 617
ACCEPTANCE 2812. MEASUREMENTS FOR PAYMENT 617 2813. RATE 618 2900
PIPE 2901. SCOPE 621 CULVERTS 2902. MATERIALS 621 2903. EXCA VATION
FOR PIPE 621 2904. BEDDING FOR PIPE 622 2905. LAYING OF PIPE 622
2906. JOINTING 623 2907. BACKFILLING 623 2908. HEADWALLS AND OT HER
624 ANCILLARY WORKS 2909. OPENING TO TRAFFIC 624 2910. MEASUREMENTS
FOR PAYMENT 624 2911. RATE 624 3000 MAINTENANCE 3001. GENERAL 627
OF ROAD 3002. RESTORATION OF RAIN-CUTS 627 3003. MAINTENANCE OF
EARTHEN 628 SHOULDERS 3004. BITUMINOUS WORK IN 629 CONNECTION WITH
MAINTENANCE AND REPAIRS 3005. MAINTENAINING OF CEMENT 631 CONCRETE
ROAD
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xI Contents SECTION SECTION CLAUSE CLAUSE TITLE PAGENO. TITLE
NO. NO.APPENDICES APPENDIX 1. LIST OF I.R.C, PUBLICATIONS 637
REFERRED TO IN THE SPECIFICATIONS CODES & STANDARDS APPENDIX 2.
LIST OF INDIAN AND FOREIGN 640 STANDARDS REFERRED TO IN THE
SPECIFICATIONS APPENDIX 3 METHOD OF SIEVING FOR 647 WET SOILS TO
DETERMINE THE DEGREE OF PULVERISATION APPENDIX 4. GUIDELINES ON
SELECT ION 648 OF THE GRADE OF BITUMEN APPENDIX 5. ANT I-STRIPPPING
AGENTS USED FOR 650 BITUMINOUS MATERIALS AND MIXES APPENDIX 1000-1
DRAFT DOCUMENT ON ISC 9077-1979 CODE 655 OF PRACTICE FOR CORROSION
PROTECTION OF STEEL REINFORCEMENT IN RB AND RCC CONSTRUCTION
(REVISED) APPENDIX 1200/I-1 HISTORY OF SINKING OF WELL 660 1200/I-2
PLAN OF WELL NOS. 661 1200/II TILT & SHIFT IN WELL NOS. 662
APPENDIX 1500/I INFORMATION TO BE SUPPLIED TO THE 663 MANUFACTURERS
OF PROPRIETARY SYSTEMS APPENDIX 1700/I SPECIFICATION FOR
CONSTRUCTION JOIN 665 1700/II PERMEABILITY TEST 667 APPENDIX 1800/I
TESTS ON SHEATHING DUCTS 668 1800/II PRESTRESSING REPORT 674 1
800/III SPECIFICATIONS FOR GROUTING OF POST - 675 TENSIONED CABLES
IN PRESTRESSED CONCRETE 1800/IV GROUTING RECORD 681
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General
100 General
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General Section 100
101. INTRODUCTION
These Specifications shall apply to all such road and bridge
works As are required to be executed under the Contract or
otherwise directed by the Engineer-in-charge (hereinafter referred
to as the Engineer). In every case, the work shall be carried out
to the satisfaction of the Engineer and conform to the location,
lines, dimensions, grades and cross- sections shown on the drawings
or as indicated by the Engineer. The quality of materials,
processing of materials as may be needed at the site, salient
features of the construction work and quality of finished work
shall comply with the requirements set forth in succeeding sec-
tions. Where the drawings and Specifications describe a portion of
the work in only general terms, and not in complete detail, it
shall be understood that only the best general practice is to
prevail, materials and workmanship of the best quality or to be
employed and instructions of the Engineer are to be fully complied
with.
A list of Indian roads Congress Specifications and Recommended
Codes of Practice which have been made use of in the preparations
of these Specifications is given at Appendix-1. The latest edition
of all Specifications/Standards till 30 (thirty) days before the
final date of submission of the tender, shall be adopted.
102. DEFINITIONS The words like Contract, Contractor, Engineer
(synonymous with Engineer-in-charge), Drawings, Employer,
Government, Works and Work Site used in these Specifications shall
be considered to have meaning as understood from the definitions of
these terms given in the General Conditions of Contract.
The following abbreviations shall have the meaning as set forth
below:
AASHTO : American Association of State Highway and
Transportation Officials ASTM : American Society for Testing and
Material BS : British Standard published by the British Standards
Institution CBR : California Bearing Ratio IRC : Indian Roads
Congress IS : Indian Standard published by the Bureau of Indian
Standards
The various elements in the cross-section of a road referred to
in
these Specifications are shown in the cross-sections in Figs.
100-1 and 100-2.
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General Section 100
Fig.100.1: Terms used in the specifications to describe road
cross-section elements with a flexible pavement.
4
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General Section 100
Fig.100.2: Terms used in the specifications to describe road
cross-section elements with a concrete pavement
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General Section 100
Treated shoulders shown in the cross-section shall be of two
types:- (i) Head shoulders which have select gravel/moorum, any
other compacted
granular layer of bricks.
(ii) Paved Shoulders which have a bituminous surfacing over
granular layers
103. MATERIALS AND TEST STANDARDS
The relevant standards for materials, as well as the testing
procedures, have been indicated at appropriate places in the
Specifi- cations. A list of these standards with their full title
and the years of publication applicable is included at
Appendix-2.
104. SIEVE DESIGNATIONS
The sieve designations referred to in the Specifications
correspond to those specified by Bureau of Indian Standards in IS:
460. Table 100.1 gives the list of the commonly used IS sieves.
TABLE 100.1 DESIGNATIONS OF TEST SIEVES
(in mm) (in micron) * 128
106 * 90
75 * 63
53 * 45
37.5 * 31.5
26.5 * 22.4
19.0 * 16.0
13.2 * 11.2
9.50 * 8.00
6.70
850
* 710 600
* 500
425 355 300
* 250
212
* 180 150
* 125
106
* 90 75
* 63
53
* 45
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General Section 100
* 5.60 4.75
* 4.00
3.35
* 2.80 2.36
* 2.00
1.70
* 1.40 1.18
* 1.00
Note: 1. * are the principal sizes stated in ISO-565 and are
preferred. 2. Sieve sizes given in BS:410 & ASTM-E 11 are same
as in is:460. 3. Only sieves with square openings shall be
used.
105. SCOPE OF WORK
105.1. The work to be carried out under the Contract shall
consist
of the various items as generally described in the Tender
Documents as Well as in the Bill of Quantities furnished in the
Tender Documents.
105.2. The works to be performed shall also included all general
works preparatory to the construction of roads, bridges, canal
crossings, drainage and all other related works. The works shall
include work of any kind necessary for the due and satisfactory
construction, completion and maintenance of the works to the intent
and meaning of the drawings and these Specifications and further
drawings and orders that may be issued by the Engineer from time to
time. The scope of work shall include whether specifically
mentioned or not in the various clauses of these Specifications,
all materials, apparatus, plant, equipment, tools, fuel, water,
strutting, timbering, transport, offices stores, workshop, staff,
labour and the provision of proper and sufficient protective works,
diversions, temporary fencing and lighting. It shall also include:
safety of workers, first-aid equipment, suitable accommodation for
the staff and workmen with adequate sanitary arrangements, the
effecting and maintenance of all insurances, the payment of all
wages, salaries, fees, royalties, duties or other charges arising
out of the erection of works and the regular clearance of rubbish,
reinstatement and clearing-up of the site as may be required on
completion of work, safety of the public and protection of the
works and adjoining land.
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General Section 1007
105.3. The Contractor shall ensure that all actions are taken to
build in quality assurance in the planning and execution of works
The quality assurance shall cover all stages of work suc h as
setting out, selection of materials, selection of construction
methods, selection of equipment and plant, deployment of personnel
and supervisory staff, quality control testing, etc. The work of
building in quality assurance shall be deemed to be covered in the
scope of the work.
105.4. The Contractor shall furnish, at least 15 days in
advance, his programme of commencement of item of work, the method
of working he intends to adopt for various items of work such as
site clearance, construction for embankment, sub-base, base,
surface, culverts, bridges, retaining walls, well-sinking,
cast-in-situ piling, construction of cast-in- situ prestressed
concrete simply supported girders, cantilever construction of
prestressed concrete superstructure, and such other items for which
the Engineer demands the submission of the method of working. He
shall provide information regarding the details of the method of
working and equipment he proposes to employ and satisfy the
Engineer about the adequacy and safety of the same. The sole
responsibility for the safety and adequacy of the methods adopted
by the contractor will, however, rest on the Contractor,
irrespective of any approval given by the Engineer.
106. CONSTRUCTION EQUIPMENT In addition to the general
conditions indicated in the contract Docu- ments, the following
conditions regarding use of equipment in works shall be
satisfied.
(a) The Contractor shall be required to give a trial run of the
equipment for establishing their capability to achieve the laid
down Specifications and tolerance to the satisfaction of the
Engineer before commencement of the work.
(b) All equipment provided shall be of proven efficiency and
shall be operated
and maintained at all times in a manner acceptable to the
engineer.
(c) All the plant equipment to be deployed on the works shall be
got approved from the Engineer for ensuring their fitness and
efficiency before commence- ment of work.
(d) Any material or equipment not meeting the approval of the
Engineer shall be
removed from the site forthwith:
(e) No equipment will be removed from site without permission of
the engineer;
(f) The Contractor shall also make available the equipment for
site quality control work as directed by the Engineer.
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General Section 100
107.1. The Contract Drawings provi ded fro tendering purposes
shall be as contained in the Tender Documents and shall be used as
a reference only. The Contractor should visualize the nature and
type of work con- templated and to ensure that the rates and prices
quoted by him in the Bill of Quantities have due consideration of
the qualitative and quan- titative variations, as may be found at
the site and complexities of work involves during actual
execution/construction.
107.2. The tendered rates/prices for the work shall be deemed to
include the cost of preparation, supply and delivery of all
necessary drawings, prints, tracings and negative which the
contractor is required to provide in accordance with the
Contract.
107.3. Two copies of drawings, on the basis of which actual
execution of the work is to proceed, shall be furnished free of
cost to the Contractor by the Engineer progressively according to
the work programme submitted by the Contractor and accepted by the
en- gineer. Drawings for any particular activity shall be issued to
the Contractor at least 30 days in advance of the scheduled date of
the start of the activity.
107.4. Examination and/or approval by the Engineer of any
drawings or other documents submitted by the Contractor shall not
relieve the Con- tractor of this responsibilities or liabilities
under the Contract.
108. SITE INFORMATION
108.1. The information about the site of work and site
conditions in the Tender Documents is given in good faith for
guidance only but the Contractor shall satisfy himself regarding
all aspects of site conditions.
108.2. The location of the works and the general site
particulars are as generally shown on the Site plan/Index plan
enclosed with the Tender Documents.
108.3. Whereas the right-of-way to the bridge sites/road works
shall be provide to the Contractor by the Engineer, the Contractor
shall have to make his own arrangement for the land required by him
for site offices, labour camps, stores, etc.
108.4. The quarry charts enclosed with the Tender Documents
indicated the location of quarries and other sources from which
naturally occurring the location are available, for guidance of the
Contractor. The leads indicated in the said charts are only
approximate. It is assumed
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General Section 100 that the Contractor has inspected the
quarries, borrow areas etc., before quoting his rates for the work
to assess the availability of construction materials in required
quantity and quality.
109. SETTING OUT
109.1. The Contractor shall establish working Bench Marks tied
with the Reference Bench Mark in the area soon after taking
possession of the site. The Reference Bench Mark for the area shall
be as indicated in the Contract Documents and the values of the
same shall be obtained by the Contractor from the Engineer. The
working Bench Marks shall be at the rate of four per km and also at
or near all drainage structures. over-bridges and underpasses. The
working Bench Marks/levels should be got approved from the
Engineer. Checks must be made on these Bench Marks once every month
and adjustments, if any, got agreed with the Engineer and recorded.
An up-to-date record of all Bench. Marks including approved
adjustments, if any, shall be maintained by the Contractor and also
a copy supplied to the Engineer for his record.
109.2. The lines and levels of formation, side slopes, drainage
works, carriageways and shoulders shall be carefully set out and
frequently checked, care being taken to ensure that correct
gradients and cross- sections are obtained everywhere.
109.3. In order to facilitate the setting out of the works, the
centre lines of the carriageway or highway must accurately
established by the Contractor and approved by the Engineer. It must
then be accurately referenced in a manner satisfactory to the
Engineer, every 50 m intervals in plain and rolling terrains and
20m intervals in hilly terrain and in all curve points as directed
by the engineer, with marker pags and chainage boards set in or
near the fence line, and a schedule of reference dimensions shall
be prepared and supplied by the Contractor to the Engineer. The
markers shall be maintained until the works reach finished
formation level and are accepted by the Engineer.
109.4. On construction reaching the formation level stage, the
centre line shall again in set out by the Contractor and when
approved by the Engineer, shall be accurately referenced in a
manner satisfactory to the Engineer by marker pegs set at the outer
limits of the formation.
109.5. No reference peg or market shall be moved or withdrawn
without the approval of the Engineer and no earthwork or structural
work shall be commenced until the centre line has been
referenced.
109.6. The contractor will be the sole responsible party for
safe- 10
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General Section 100 guarding all survey monuments, bench marks,
beacons, etc. The Engineer will provide the Contractor with the
data necessary for setting out of the centre line. All dimensions
and levels shown on the drawings or mentioned in documents forming
part of or issued under the Contract shall be verified by the
Contractor on the site and he shall immediately inform the Engineer
of any apparent errors or discrepancies in such dimensions or
levels. The Contractor shall, in connection with the staking out of
the centre line, survey the terrain along the road and shall submit
to the Engineer for his approval, a profile along the road centre
line and cross-sections at intervals as required by the
Engineer.
109.7. After obtaining approval of the Engineer, work on
earthwork can commence and the profile and cross-sections shall
form the basis for measurements and payment. The Contractor shall
be responsible for ensuring that all the basis traverse points are
in place at the commencements of the contract and if any are
missing, or appear to have been disturbed, the Contractor shall
make arrangements to re-establish these points. A Survey File
containing the necessary data will be made available for this
purpose. If in the opinion of the Engineer, design modifications of
the centre line or grade are advisable, the Engineer will issue
detailed instructions to the Contractor and the Contractor shall
perform the modification in the field, as required, and modify the
ground levels on the cross-sections accordingly as many times as
required. There will be no separate payment for any survey work
performed by the Contractor. The cost of these service shall be
considered as being included in the cost of the items of work in
the Bill of Quantities.
109.8. The work of setting out shall be deemed to be a part of
general works, preparatory to the execution of work and no separate
payment shall be made for the same.
109.9. Precision automatic levels, having a standard deviation
of 2 mm per km, and fitted with micrometer attachment shall be used
for all double run leveling work. Setting out of the road alignment
and measurement of angles shall be done by using theodolite with
traversing target, having an accuracy of one second. Measurement of
distances shall be done preferably using precision instruments like
Distomat.
110. PUBLIC UTILITIES 110.1. Drawings scheduling the affected
services like water pipes, sewers, oil pipelines, cables, gas ducts
etc owned by various authorities including Public Undertakings and
Local Authorities included in the
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General Section 100 Contract Documents shall be verified by the
Contractor for the accuracy of the information prior to the
commencement of any work.
110.2. Notwithstanding the fact that the information on affected
serviced may not be exhaustive, the final position of these servi
ce within the works shall be supposed to have been indicated based
on the information furnished by different bodies and to the extent
the bodies and familiar with the final proposals. The intermediate
states of the works are, however, unknown at the design stage,
these being dictated by the Contractors methods of working.
Accordingly, the Contractors pro- gramme must take into account t
the period of notice and duration of diversionary works and each
body as given on the Drawings and the Contractor must also allow
for any effect of these services and altera- tions upon the Works
and for arranging regular meetings with the various bodies at the
commencement of the Contract and throughout the period of the Works
in order to maintain the required co-ordination. During the period
of the Works, the Contractor shall have no objection if the public
utility bodies vary their decisions in the execution of their
proposals in terms of programme and construction, provided that, in
the opinion of the Engineer, the Contractor has received reasonable
notice thereof before the relevant alternations are put in
hand.
110.3. No clearance or alterations to the utility shall be
carried out unless specially ordered by the Engineer.
110.4. Any services affected by the Works must be temporarily
supported by the Contractor who must also take all measures
reasonably required by the various bodies to protect their services
and property during the progress of the works.
110.5. The Contractor may be required to carry out certain works
for and on behalf of the various bodies and he shall also provide.
with the prior approval of the Engineer, such assistance to the
various bodies as may be authorized by the Engineer.
110.6. The work of temporarily supporting and protecting the
public utility services during execution of the works shall be
deemed to be part of the contract and no extra payment shall be
made for the same.
110.7. The Contractor may be required to carry out the removal
or shifting of certain services/utilities on specific orders form
the Engineer for which payment shall be made to him. Such works
shall be taken up by the Contractor only after obtaining clearance
form the Engineer and ensuring adequate safety measures.
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General Section 100
111. PRECAUTIONS FOR SAFEGUARDING THE ENVIRONMENT
111.1. General
The Contractor shall take all precautions for safeguarding the
en- vironment during the course of the construction of the works.
He shall abide by all laws, rules and regulations in force
governing pollution and environmental protection that are
applicable in the area where the works are situated.
111.2. Borrowpits for Embankment Construction
Borrowpits shall not be dug in the right-of-way of the road. The
stipulations in Clause 305.2.2. shall govern.
111.3. Quarry Operations
The Contractor shall obtain materials from quarries only after
the consent of the Forest Department or other concerned authorities
is obtained. The quarry operations shall be undertaken within the
purview of the rules and regulations in force.
111.4. Control of Soil Erosion, Sedimentation and Water
Pollution
The Contractor shall carry out the works in such a manner that
soil erosion is fully controlled, and sedimentation and pollution
of natural water courses, ponds, tanks and reservoirs is avoided.
The stipulations in Clause 306 shall govern,
111.5. Pollution from Hot-Mix Plants and Batching Plants
Bituminous hot-mix plants and concrete batching plants shall be
located sufficiently away from habitation, agricultural operations
or industrial establishments. The Contractor shall take every
precaution to reduce the levels of noise, vibration, dust and
emissions from his plant and shall be fully responsible for any
claims for damages caused to the owners of property, fields and
residences in the vicinity.
111.6. Substances Hazardous to Health
The Contractor shall not use or generate any materials in the
works which are hazardous to the health of persons, animaJs or
vegetation. Where it is necessary to use some substances which can
cause injury to the health of workers, the Contractor shall provide
protective clothing or appliances to his workers.
111.7. Use of Nuclear Gauges
Nuclear gauges shail be used only where permitted by the
Engineer. 13
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General Section 100 The Contractor shall provide the Engineer
with a copy of the regulations governing the safe use of nuclear
gauges he intends to employ and shall abide by such
regulations.
111.8. The Contractor must take all reasonable steps to minimise
dust nuisance during the construction of the works.
111.9. All existing highways and roads used by vehicle of the
Contractor or any of his sub-contractors or suppliers of materials
or plant, and similarly any new road* which are part of 'the works
and which are being used by traffic, shall be kept clean and clear
of all dust/mud or other extraneous materials dropped by the said
vehicles or their tyres. Similarly, all dust/mud or other
extraneous materials from the works spreading on these highways
shall be immediately cleared by the Contractor.
111.10. Clearance shall be effected immediately by manual
sweeping and removal of debris, or, if so directed by the Engineer,
by mechanical sweeping and clearing equipment, and all dust, mud
and other debris shall be removed entirely from the road surface.
Additionally, if so directed by the Engineer, the road surface
shall be hosed or watered using suitable equipment.
111.11. Any structural damage caused to the existing roads by
the Contractor's construction equipment shall be made good without
any extra cost.
111.12. Compliance with the foregoing will not relieve the
Contractor of any responsibility for complying with the
requirements of any Highway Authority in respect of the roads used
by him.
112. ARRANGEMENT FOR TRAFFIC DURING CONSTRUCTION
112.1. General
The Contractor shall at all times carry out work on the highway
in a manner creating least interference to the flow of traffic
while consistent with the satisfactory execution of t he same. For
all works involving improvements to the existing highway, the
Contractor shall, in accordance with the directives of the
Engineer, provide and maintain, during execution of the work, a
passage for traffic either along a pant of the existing carriageway
tinder improvement, or along a temporary diversion constructed
close to the highway. The Contractor shall take prior approval of
the Engineer regarding traffic arrangements during
construction.
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General Section 100
112.2. Passage of Traffic along a part of the Existing Car -
riageway under Improvement
For widening/strengthening existing carriageway where part width
of the existing carriageway is proposed to be used for passage of
traffic, treated shoulders shall be provided on the side on which
work is not in progress. The treatment to the shoulder shall
consist of providing atleast 150 mm thick granular base course
covered with bituminous surface dressing in a width of atleast 1.5
m and the surface shall be maintained throughout the period during
which traffic uses the same to the satisfaction of the Engineer.
The continuous length in which such work shall be carried out,
would be limited normally to 500 m at a place. However, where work
is allowed by the Engineer in longer stretches passing places
atleast 20 m long with additional paved width of 2.5 m shall be
provided at every 0.5 km interval.
In case of widening existing two-lane to four-lane, the
additional two lanes would be constructed first and the traffic
diverted to it and only thereafter the required treatment to the
existing carriageway would be carried out. However, in case where
on the request of the Contractor, work on existing two-lane
carriageway is allowed by the Engineer with traffic using part of
the existing carriageway, stipulations as in para above shall
apply.
After obtaining permission of the Engineer, the treated shoulder
shall be dismantled, the debris disposed of and the area cleared as
per the direction of the Engineer.
112.3. Passage of Traffic along a Temporary Diversion
In stretches where it is not possible to pass the traffic on
part width of the carriageway, a temporary diversion shall be
constructed with 7 m carriageway and 2.5 m earthen shoulders on
each side (total width of roadway 12 m) with the following
provision for road crust in the 7 m width:
(i) 200 mm (compacted) granular subbase;
(it) 225 mm (compacted) granular base course; and
(iii) Premix carpet with Seal Coal/Mix Seal Surfacing.
The alignment and longitudinal section of diversion including
junctions and temporary cross drainage provision shall be as
approved by the Engineer.
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General Section 100
112.4. Traffic Safety and Control
The Contractor shall take all necessary measures for the safety
of traffic during construction and provide, erect and maintain such
bar - ricades, including signs, markings, flags, lights and flagmen
as may be required by the Engineer for the information and
protection of traffic approaching or passing through the section of
the highway under improvement. Before taking up any construction,
an agreed phased programme for the diversion of traffic on the
highway shall be drawn up in consultation with the Engineer.
The barricades erected on either side of the carriageway/portion
of the carriageway closed to traffic, shall be of strong design to
resist violation, and painted with alternate black and white
stripes. Red lanterns or warning lights of similar type shall be
mounted on the barricades at night and kept lit throughout from
sunset to sunrise.
At the points where traffic is to deviate from its normal path
(whether on temporary diversion or part width of the carriageway)
the channel for traffic shall be clearly marked with the aid of
pavement markings, painted drums or a similar device to the
directions of the Engineer. At night, the passage shall be
delineated with lanterns or other suitable light source.
One-way traffic operation shall be established whenever the
traffic is to be passed over part of the carriageway inadequate for
two-lane traffic. This shall be done with the help of temporary
traffic signals or flagmen kept positioned on opposite sides during
all hours. For regulation of traffic, the flagmen shall be equipped
with red and green flags and lanterns/lights.
On both sides, suitable regulatory/warning signs as approved by
the Engineer shall be installed for the guidance of road users. On
each approach, at least two signs shall be put up, one close to the
point where transition of carriageway begins and the other 120 m
away. The signs shall be of approved design and of reflectory type,
if so directed by the Engineer.
112.5. Maintenance of Diversions and Traffic Control Devices
Signs, lights, barriers and other traffic control devices, as
well as the riding surface of diversions shall be maintained in a
satisfactory condition till such lime they are required as directed
by the Engineer. The temporary travelled way shall be kept free of
dust by frequent applications of water, if necessary.
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General Section 100
112.6. Measurements for Payment and Rate
All arrangements for traffic during construction including
provision of temporary cross drainage structures, if required, and
treated shoulder as described in Clause 112,2 including their
maintenance, dismantling and clearing debris, where necessary,
shall be considered as incidental to the works and shall be the
Contractors responsibility. The construction of temporary diversion
including temporary cross drainage structures as described in
Clause 112.3, shall be measured in linear metre and the unit
contract rate shall be inclusive of full com- pensation for
construction (including supply of material, labour, tools etc.).
maintenance, final dismantling, and disposal.
113. GENERAL RULES FOR THE MEASUREMENT OF WORKS FOR PAYMENT
113.1. General
All measurements shall be made in the metric system. Different
items of work shall be measured in accordance with the procedures
set forth in the relevant sections read in conjunction with the
General Conditions of Contract. The same shall not, however, apply
in the case of lumpsum contracts.
All measurements and computations, unless otherwise indicated,
shall be carried nearest to the following limits:
(i) length and breadth 10 mm
(it) height, depth or thickness of
earthwork, sub grade, sub-bases,
bases, surfacing and structural members 5 mm
(iii) areas 0.01 sq. m.
(iv) cubic contents 0.01 cu. m.
In recording dimensions of work, the sequence of length, width
and height or depth or thickness shall be followed.
113.2. Measurement of Lead for Materials
Where lead is specified in the Contract for construction
materials, the same shall be measured as described hereunder:
Lead shall be measured over the shortest practicable route and
not the one actually taken and the decision of the Engineer in this
regard shall be taken as final. Distances upto and including 100 m
shall be measured in units of 50 m, exceeding 100 m but not
exceeding 1 km in units of 100 m and exceeding 1 km in units of 500
m, the half
17
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General Section 100 and greater than half of the unit shall be
reckoned as one and less than half of the unit ignored. In this
regard, the source of the material shall be divided into suitable
blocks and for each block, the distance from the centre of the
block to the centre of placing pertaining to that block shall be
taken as the lead distance.
113-3. Measurement of Pavement Thickness for Payment on Volume
Basis
The finished thickness of sub-base, base and bituminous courses
to be paid on volume basis shall be computed in the following
manner: Levels shall be taken before and after construction, at
grid of points 10 m centre to centre longitudinally in straight
reaches but 5 m at curves. Normally, on two-lane roads, the levels
shall be taken at four positions transversely, at 0.75 and 2.75 m
from either edge of the carriageway; and on single lane roads,
these shall be taken at two positions transversely, being at 1.25 m
from either edge of the carriageway. For multi-lane roads, levels
shall be taken at two positions transversely for each lone at
locations specified by the Engineer.
Suitable references for the transverse grid lines should be left
in the form of embedded bricks on either ends or by other means so
that it is possible to locate the grid points for level
measurements after each successive course is laid.
For pavement courses laid only over widening portions, atleast
one line of levels shall be taken on each strip of widening, or
more depending on the width of widening as decided by the
Engineer,
Notwithstanding the above, the measurements may be taken at
closer intervals also, if so desired by the Engineer, the need for
which may arise particularly in the case of estimation of the
volume of the material for profile corrective course (levelling
course). The average thickness of the pavement course in any area
shall be the arithmetic mean of the difference of levels before and
after construction at all the grid points falling in that area,
provided that the thickness of finished work shall be limited to
those shown on the drawings or approved by the Engineer in
writing.
As supplement to level measurements, the Engineer shall have the
option to take cores/make holes to check the depth of construction.
The holes made and the portions cut for taking cores shall be made
good by the Contractor by laying fresh mix/material including
compacting as required at no extra cost immediately after the
measurements are recorded.
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General Section 100
113.4. Checking of Pavement Thickness for Payme nt on Area
7Basis
Where payment for any bituminous course in Section 500 is
allowed to be made on area basis, the Engineer may have its
thickness checked with the help of a suitable penetration gauge at
regular intervals or other means as he may decide.
113.5. Measurement of Bituminous Courses for Payment on Weight
Basis
Plant-mixed bituminous materials for pavement courses where des-
ignated to be paid on weight basis shall be weighed on accurate
scales approved by the Engineer. Approved scales shall mean scales
that are of size, capacity, kind and type suitable for the weighing
to be done, and these shall be properly and adequately installed
and maintained. Prior to the use of the scales and as frequently
thereafter as the Engineer may deem necessary to ensure accuracy,
the scales shall be checked and approved by the Engineer, or the
Engineer may direct the Contractor to have the scales checked by
other competent agency at the cost of the Contractor.
Location of the scales shall be as designated by the .Engineer,
Trucks used for hauling the material to be weighed shall be weighed
empty daily at such times as the Engineer directs, and each truck
shall bear a plainly legible identification mark.
For materials specified to be measured by weight, the Engineer
will have the option to make measurements of the finished work by
volume in accordance with Clause 113.3 and such volumes shall be
converted into weight for payment purposes. The factor for
conversion from volume measurement to weight measurement shall be
computed from the representative density of the compacted material
at site determined at locations approved by the Engineer,
114. SCOPE OF RATES FOR DIFFERENT ITEMS OF WORK
114.1. For item rate contracts, the contract unit rates for
different items of work shall be payment in full for completing the
work to the requirements of the Specifications including full
compensation for all the operations detailed in the relevant
sections of these Specifications under "Rates". In the absence of
any directions to the contrary, the rates are to be considered as
the full inclusive rate for finished work covering all labour,
materials, wastage, temporary work, plant, equipment, ovcr-
19
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General Section 100 head charges and profit as well as the
general liabilities, obligations, insurance and risks arising out
of General Conditions of Contract.
114.2. The item rates quoted by the Contractor shall, unless
otherwise specified, also include compliance with/supply of the
following :
(i) General works such as selling out, clearance of site before
setting out and clearance of -works after completion;
(ii) A detailed programme for the construction and completion of
the worlc(using CPM/ PERT techniques) giving, in addition to
construction activities, detailed network activities for the
submission and approval of materials, procurement of critical
materials and equipment, fabrication of special products/equipment
and their in* stallation and testing, and for all activities of the
Employer that are likely to affect the progress of work, etc.,
including updating of all such activities on the basis of the
decisions taken at the periodic site review meetings or as directed
by the Engineer;
(iii) Samples of various materials proposed to be used on the
Work for conducting tests thereon as required as per the provisions
of the Contract;
(iv) Design of mixes as per the relevant Clauses of the
Specifications giving proportions of ingredients, sources of
aggregates and binder along with accompanying trial mixes as per
the relevant Clauses of these Specifications to be submitted to the
Engineer for his approval before use on the Works;
(v) Detailed design calculations and drawings for all Temporary
Works (such as form- work; staging, centering; specialised
constructional handling and launching equipment and the like);
(vi) Detailed drawings for templates, support and end anchorage,
details for prestressing cable profiles, bar bending and cutting
schedules for reinforcement, material lists for fabrication of
structural steel, etc;
(vii) Mill test reports for all mild and high tensile steel and
cast steel as per the relevant provisions of the
Specifications;
(viii) Testing of various finished items and materials including
bitumen, cement, concrete, bearings as required under these
Specifications and furnishing test reports/certificates;
(ix) Inspection Reports in respect of formwork, staging,
reinforcement and other items of work as per the relevant
Specifications;
(x) Any other data which may be required as per these
Specifications or the Conditions of Contract or any other
annexures/schedules forming part of the Contract;
(xi) Any other item of work which is not specifically provided
in the Bill of Quantities but which is necessary for complying with
the provisions of the Contract;
(xii) All temporary works, formwork and false work;
(xiii) Establishing and running a laboratory with facilities for
testing for various items of works as specified in Section 900 and
other relevant Clauses, where there is no separate item in the Bill
of Quantities for establishing and running a laboratory;
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General Section 100
(xiv) Cost of in-built provisions for Quality Assurance;
(xv) Cost of safeguarding the environment; and
(xvi) Cost of providing "as-built drawings" in original and two
sets of prints.
114.3. Portions of road works beyond (he limits and/or any
other
work may be got constructed by the Employer directly through
other agencies. Accordingly, other agencies employed by the
Employer may be working in the vicinity of the Works being executed
by the Contractor. The Contractor shall liaise with such agencies
and adjust his construction programme for the completion of work
accordingly and no claim or compensation due to any reason
whatsoever will be entertained on this account. The Employer will
be indemnified by the Contractor for any claims from other agencies
on this account.
115. METHODOLOGY AND SEQUENCE OF WORK
Prior to start of the construction activities at site, the
Contractor shall, within 30 days after the date of the Letter of
Acceptance, submit to the Engineer for approval, the detailed
construction methodology including mechanical equipment proposed to
be used, sequence of vari- ous activities and schedule from start
to end of the project. Programme relating to pavement and shoulder
construction shall be an integrated activity to be done
simultaneously in a coordinated manner. The methodology and the
sequence shall be so planned as to provide proper safety, drainage
and free flow of traffic.
116. CRUSHED STONE AGGREGATES
Where the terms crushed gravel/shingle, crushed stone, broken
stone or stone aggregate appear in any part of the Tender Documents
or Drawings issued for work, they refer to crushed gravel/crushed
shingle/crushed stone aggregate obtained from integrated crushing
plant having appropriate primary crusher, secondary crusher and
vibratory screen.
117. APPROVAL OF MATERIALS
Approval of all sources of material for work shall be obtained
in writing from the Engineer before their use on the project.
118, SUPPLY OF QUARRY SAMPLES
Raw and processed samples of the mineral aggregates from the
approved quarry shall be submitted by the Contractor at no extra
cost.
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General Section 100
119. USE OF SURFACES BY CONSTRUCTION TRAFFIC
119.1. Ordinarily, no construction traffic shall be allowed on
pavement under construction unless authorised by the Engineer. Even
in that case the load and intensity of construction traffic should
be so regulated that no damage is caused to the subgrade or
pavement layers already constructed. Where necessary, service roads
shall be constructed for this purpose and the same shall be
considered as incidental to the work.
119.2. The wheels or tracks of plant moving over the various
pavement courses shall be kept free of deleterious materials,
119.3. Bituminous base course shall be kept clean and uncontami-
nated as long as the same remains uncovered by a wearing course or
surface treatment. The only traffic permitted access to the base
course shall be that engaged in laying and compacting the wearing
course or that engaged on such surface treatment where the
base-course is to be blinded and /or surface dressed. Should the
base course or tack coat on the base course become contaminated,
the Contractor shall make good by clearing it to the satisfaction
of the Engineer, and if this is impracticable, by removing the
layer and replacing it to Specification without any extra cost.
120. SITE OFFICE FOR ENGINEER AND OTHER SUPERVISORY STAFF
120.1. Scope
The work covers the construction and provision of furnished site
office accommodation for the supervisory staff of Engineer and main
taining the same.
120.2. Description
The Contractor shall arrange to provide fully furnished office
accommodation constructed as shown in drawings. Work includes
providing electric supply, all electrical items like lights, fans
and complete wiring, providing water supply including all pipes,
fittings, tanks, tube well, pumps, valves etc. complete, septic
tank, sewer lines, drains, fencing, internal surfaced roads etc.
complete as shown on the drawings. The Contractor shall provide the
office accommodation within 4 months from the date of the
commencement of work or 3 months from the date of providing the
land and the working drawings for the construction of office
accommodation, whichever is later. List of furniture to be
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General Section 100 provided and maintained for Engineer's site
office shall be as in Table 100-2.
Table 100-2. LIST OF FURNITURE TO BE PROVIDED AND MAINTAINED FOR
ENGINEER'S _SITE OFFICE
S.No. Item Specifications Nos. Reqd.* 1. Executive table
(for the Engineer) 2. Executive chair
(for the Engineer) 3. Table (for Site
Engineer. Accountant and Head Clerk)
4. Ordinary chair Type
I(For the Engineer, Accountant. Head Clerk and visitors)
5. Table (for ail
other staff) 6. Ordinary chair-Type
II (for all other staff and visitors)
7. Stool 8. Steel Almirah
1980mm x 915mm x 485mm
9. Steel Atmirah
1270mrn x 765 mm x 440 mm
10. Racks - 5 Tier
1800 mm x 900 mm x 375 mm
11. Typewriter
Make - Godrej Modal No. T-I08 or equivalent Make-Godrej Model
No, PCH-701 or equivalent Make-Godrej Model No. T-104 or
equivalent. Make-Godrej Model No. CHR-6 or equivalent. Make-Godrej
Model No T-IOI or equivalent Make-Godrej Model No. CHR-6 or
equivalent Make-Godrej Model No. ST-2 or equivalent. Make-Godrej
Model No, 1 Storewcl plain or equivalent Make-Godrej Model Minor
plain or equivalent Made of slotted angles and M.S. Sheets of
Godrej make Electronic-Bilingual (English & Hindi) Network make
or equivalent.
23
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General Section 100 S.No. Item Specifications Nos. Reqd.* SICE!
Cash Chest of size 1.5' x 1.5'
(450 mm x 450 mm) (approx.) Air Coolers Room Heaters Ceiling
Fans 1400 mm size Computer with printer Photocopier
Make-Godrej Storewel or equivalent The cooler* shall have 24"
(60cm) size fan with suitable pump and shall be of either GEC,
Khaitan or Cool Home make or equivalent The heaters shall be of
2000 W capacity - Bajaj make or equivalent Ceiling fans shall be of
approved make and colour PC 486 with hard disc capacity 230 MB.
Maths coprocessor. Two disc drives of 5.25" (132 mm) and 3.5" (88
mm), 14" (350 mm) size colour VGA monitor lelter- quality dotmatrix
printer of 132 columns and 101 Key board Make RICOH Model FT 4065
or equivalent
* Numbers to be decided by the Engineer as per requirements of
the Project.
120.3. Ownership
The site office with all services, furniture and finings shall
be the property of the Employer. The land for the site office shall
be provided by the Engineer and the location shall be as indicated
in the Drawings.
120.4. Maintenance
The Contractor shall arrange to maintain the site office until
the issue of Taking over Certificate for the complete work.
Maintenance includes the day to day upkeep of the building and the
surroundings, attending to repairs to various parts of the
building, furniture, fittings, office equipment and the connected
services as and when necessary, including the periodic white/colour
washing of building and painting of wood work, steel work,
replacing the broken window/door/ventilator
24
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General Section 100 glasses, furniture and other hardware and
maintaining necessary watch and ward during day and night.
The Contractor shall arrange to provide uninterrupted supply of
electricity and water for the office building. In case of failure
of main power/water supply, alternate source shall be available for
providing uninterrupted supply. All sources, tappings and connected
equipment and fittings, piping, tanks, wiring and all accessories
of the main alternate power/water supply, for the site office
accommodation shall be the property of the Employer,
120.5. Measurements for Payment The measurement for construction
and provision of site office shall
be in square metres of the plinth area of the office
accommodation and the payment shall be made after the completion
and handing over of the buildings with connected services fully
furnished including office equipment for occupation.
If the Contractor fails to hand over the furnished office
accommo - dation within the period stipulated under Clause 120,2,
an amount of Rs. 15,000 per month or part thereof shall be debited
to the Contractor's account for the period of delay.
The measurement for maintenance of Engineer's site office ac-
commodation shall be on maintenance months and shall be made on
completion of satisfactory maintenance every month.
If at any stage, the Contractor fails to carry out the required
maintenance satisfactorily, an amount of Rs. 5000 per month or part
thereof shall be debited to the Contractor's account. In addition,
the month/months during which the Contractor fails to carry out the
required maintenance satisfactorily shall not be measured for
payment.
If the Contract works are not completed within the stipulated
period or within the granted extended time of completion,
maintenance of site office accommodation in accordance with Clause
120,4 shall be carried out by the Contractor at his own cost and as
such no payment shall be made for the same. In case of any failure
by the Contractor to do so, an amount of Rs. 15,000 per month or
part thereof shall be debited to the Contractor's account.
120.6. Rate
The Contract unit rate for constructing and providing the site
office accommodation shall include the expenses of all the
operations involved
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General Section 100 in construction of the building including
all services, fittings, fixtures, furniture, fencing, internal
surfaced roads, as mentioned under Clause 120.2.
The Contract unit rate for maintenance shall include expenses
towards all items of works detailed in Clause 120.4 including power
and water charges for supply from the mains and for providing
uninterrupted supply of power and water from alternate sources in
case of failure of main supply.
121. FIELD LABORATORY
121.1. Scope
The work covers the provision and maintenance of an adequately
equipped field laboratory as required for site control on the
quality of materials and the works.
121.2. Description
The Contractor shall arrange to provide fully furnished and
adequately equipped field laboratory constructed as shown in
drawings. The field laboratory shall preferably be located adjacent
to the site office of the Engineer and provided with amenities like
water supply, electric supply etc. as for the site office of the
Engineer in Clause 120.2.
The floor space requirement for the field laboratory shall be as
indicated in the drawing , It shall include office space for the
Materials Engineers, one from the Contractor's side and another
from the Engineer's side and a store for the storage of samples.
The remaining space shall be provided for the installation of
equipment, laboratory tables and cupboards, working space for
carrying out various laboratory tests, besides a wash basin, toilet
facility and a curing tank for the curing of samples, around 4m x
2m x 1m in size and a fume chamber. The furnishing in each of two
offices of the Materials Engineers shall be as provided for the
Site Engineer in Table 100-2. Wooden/concrete work- ing table with
a working platform area of about 1m x 10m shall be provided against
the walls, also providing wooden cupboards above and below the
working tables to store accessories such as sample moulds etc.
Atleast 4 racks of slotted angles and M.S. sheets as at Sl.No. 10
of Table 100-2 and atleast 6 stools for laboratory test operators
as at Sl.No 7 of Table 100-2 shall also be provided.
121.3. Laboratory Equipment
The following items of laboratory equipment shall be provided in
the field laboratory.
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General Section 100 121.3.1. General
(i) Oven Electrically operated, thermostatically controlled,
range upto 200 C sensitivity 1 C
(ii) Platform balance 300 kg capacity
(iii) Balance 20 kg capacity - self indicating type
(iv) Electronic Balance 5 kg capacity accuracy 0.5 gm
(v) Water bath-electrically operated and thermostatically
controlled with adjustable shelves, sensitivity 1C
(vi) Thermometers: Mercury-in-glass thermometer range 0 to250C
Mercury-in-steel thermometer with 30cm stem, range upto 30QC
(vii) Kerosene or gas stove or electric hot plate Glasswares,
spatulas, wire gauzes. steels cales, measuring tape, casseroles,
katahis, enameled trays of assorted sizes, pestle-mortar, porcelain
dishes, gunny bags, plastic bags, chemicals, digging tools like
pickaxes, shovels etc.
(viii) Set of IS sieves with lid and pan: 450 rnm diameter;
63mm, 53mm, 37.5mm, 26,5mm, 13.2mrn, 9.5 mm 6.7mm and 4.75mm size
200 mm diameter: 2.36mrn, 2.0mm, 1.18mm, 600micron, 425micro
300micron, 150micron, and 75micron
(ix) Water testing kit
(x) First aid box
121.3.2.For soil sand aggregates
(i) Riffle Box
(ii) Atterberg Limits (liquid and plastic limits) determination
apparatus
1 No. 1 No. 1 No. 2 No. 1 No. 4 No. 1 No. As required 1 Set. 2
Sets. 1 Set. 1 Set. 1 No. 1 Set.
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General Section 100 (iii) Compaction Test Equipment both 2.5 kg
and 4.5 kg
rammers (Light and Heavy compactive efforts)
(iv) Dry Bulk Density Test apparatus (sand pouring cylinder,
tray, can etc.) complete
(v) Speedy Moisture Meter complete with chemicals
(vi) Post.-hole Auger with extensions
(vii) Core cutter apparatus 10 cm dia, 10/15 cm height, complete
with dolly, rammer etc.
(viii) Aggregate Impact Value Test apparatus/Los Angeles
Abrasion Test apparatus
(ix) Flakiness and Elongation Test Gauges
(x) Standard measures of 30, 15 and 3 litres capacity along with
standard tamping rod
(xi) California Bearing Ratio lest apparatus
(xii) Unconfined compression test apparatus 121.3.3. For bitumen
and bituminous mixes
(i) Penetrometer with standard needles
(ii) Riffle boxsmall size
(iii) Centrifuge type bitumen extractor, hand operated, complete
with petrol/commercial benzene
(iv) Marshall stability test apparatus, complete with all
accessories
(v) Field density bottle along with cutting tray, chisel, hammer
and standard sand
(vi) 3 m straight edge
(vii) Camber board
(viii) Core cutting machine with 10 cm dia diamond cutting
edge
(ix) Vacuum pump and 3 specific gravity bottles
1 set 1 set 1 set 1 set 1 set 1 set 1 set 1 set 1 set 1 set 1
set 1 No. 1 set 1 set 2 Nos. 1 No. 1 No. 1 set 1 set
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General Section 100 121.3.4. For cement and concrete
(i) Vicat apparatus for testing setting limes (ii) Slump testing
apparatus
(iii) Compression and Flexural strength testing machine of 200
tonne capacity with additional dial for flexural testing
(iv) Needle Vibrator (v) Air Meter
(vi) Vibrating hammer for vibrating dry mix as for Dry Lean
Cement concrete sub-base
1 set 4 sets 1 No. 2 Nos, 1 No. 1 No.
Note : The item and their numbers listed above in this Cause
shall be decided by the Engineer as per requirements of the Project
and modified accordingly.
121.4. Ownership
If provided as a separate payable item in the Bill of
Quantities, the field laboratory building and equipment shall be
the property of the Employers and the land for laboratory will be
provided by the Employer.
121.5. Maintenance
If provided for as a separate payable item in the Bill of
Quantities, the Contractor shall arrange to maintain the field
laboratory in a satisfactory manner until the issue of Taking Over
Certificate for the complete work. Maintenance includes all
activities described in Clause 120.4.
121.6. Measurements for Payment
If provided as a separate payable item in the Bill of
Quantities, the measurement for payment for the construction of the
field laboratory shall be on square metres of plinth area. The
supply of testing equipment, the erection, maintenance and running
the same shall be on a lump sum basis.
121.7. Rate
If provided in die Bill of Quantities as a separate payable
item, the contract unit rate for constructing and providing the
field laboratory shall include expenses of all operations involved
in construction of the building including all services, fittings,
fixtures, furniture and fencing as mentioned in Clause 121.2.
The Contract unit rate for maintenance shall include expenses
towards all items of works and equipment in Clauses 121.2 and 121,3
including power and water charges for supply from the mains and for
.providing uninterrupted supply of power and water from alternate
sources in case of failure of main supply.
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General Section 100
The Contract lumpsum rate for the supply, erection, maintenance
and running of testing equipment shall include cost of supply,
installation and running including all consumables like chemicals
and reagents.
122. SITE RESIDENTIAL ACCOMMODATION FOR ENGINEER AND OTHER
SUPERVISORY STAFF
122.1. Scope
The work covers the provision and maintenance of unfurnished
site residential accommodation for the Engineer and other
supervisory staff.
The Contractor shall arrange to provide residential
accommodation constructed as shown in the drawings.
Work includes providing electric supply, all electrical items
like wiring, switches, all fittings, lights, fans, etc. complete;
providing water supply and sanitation including all pipes,
fittings, tanks, tube well, pumps, valves etc. complete; septic
tank, sewer lines, drains, fencing, internal roads etc., complete
as shown in the drawings.
122.2. Ownership
The site residential accommodation with all services and
fittings etc., shall be the property of the Employer. The land for
the residential accommodation shall be provided by the Engineer and
the location shall be as indicated by the Engineer. The Contractor
shall provide the residential accommodation within 4 months from
the date of commence - ment of the work or 3 months from the date
of providing land and the working drawings for the construction of
residential accommo - dation, whichever is later.
122.3. Maintenance
The Contractor shall arrange to maintain the supervisory staff
residential accommodation until the issue of Taking Over
Certificate for the complete work.
Maintenance includes attending to repairs to various parts of
the building, fittings etc. and the connected services as and when
necessary, including the annual white/colour washing of the
building and periodic painting of wood and steel work; replacing
the broken window/door, ventilator glasses and other hardware; and
maintenance of internal roads.
The Contractor shall arrange to provide uninterrupted supply of
electricity and water for the buildings. In case of failure of main
water or power supply, suitable alternate arrangement shall be made
for
30
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General Section 100 providing uninterrupted supply. All
sources/tappings and connected equipment and fittings, piping,
tanks, wiring and all other accessories of the main and alternate
power/water supply for the residential accommodation shall be the
property of the Employer.
122.4. Measurement for Payment
The measurement for construction of the residential
accommodation shall be on square metres of plinth area of the
accommodation. The payment shall be made after the residential
accommodation, complete with all services, fencing etc., is
constructed and handed over for occupation. If the Contractor fails
to complete and hand over the complete residential accommodation
within the period stipulated under Clause 122.2, an amount of Rs.
50,000 per month or part thereof shall be debited to the
Contractor's account for the period of delay.
The measurement for maintenance of supervisory staff residential
accommodation shall be in maintenance months and shall be made on
completion of satisfactory maintenance every month. If at any stage
the Contractor fails to carry out the required maintenance
satisfactorily, an amount of Rs. 25,000 per month or part thereof
shall be debited to the Contractor's account. In addition, the
month/months during which the Contractor fails to carry out the
required maintenance satisfactorily shall not be measured for
payment.
If the Contract works are not completed within the stipulated
period or within the granted extended time of completion,
maintenance of resi- dential accommodation in accordance with
Clause 122.3 shall be carried out by the Contractor at his own cost
and as such no payment shall be made for the same. In case of any
failure by the Contractor to do so, an amount of Rs. 60,000 per
month or pan thereof shall be debited to the Contractor's
account.
122.5. Rate
The Contract unit rate for constructing and providing
residential accommodation for (he Engineer and other supervisory
staff shall include cost of all the operations involved in
construction of buildings and connected services and fittings,
fencing etc. complete.
The Contract unit rate for maintenance shall include the
expenses for all items of work detailed in Clause 122.3 including
provision of uninterrupted supply of power and water.
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General Section 100
123. PROVIDING AND MAINTAINING WIRELESS COMMUNICATION SYSTEM
123.1. Scope
The work covers the provision and maintenance of wireless com-
munication systems with necessary mobile/base trans -receivers and
other accessories.
123.2. Supply
The Contractor shall arrange to supply, install and commission
the complete wireless system of approved quality suitable for a
range of upto 65 km. The system shall consist of the following:
(a) Mobile Trans-receiver suit able for mounting on 4 wheelers
with Microphone as- sembly, Mobile Antenna with Cable and External
Speaker assembly (3 W audio output) with all necessary fittings and
accessories - 10 lets.
(b) Base Trans-receivers with Microphone assembly, suitable
Antenna, external speaker unit (3 W audio output) with all
necessary fittings and accessories - 3 sets,
(c) Hand held radio sets - 10 Nos.
The Contractor shall provide the complete wireless system within
12 months from the date of commencement of work or 8 months from
the date on which frequency is allotted to him by the Govt.
Department, whichever is later. He shall submit a guarantee for
replacement of any defective trans-receiver/trans -receivers during
the currency of the con- tract.
123.3. Approval
The Contractor shall arrange to obtain all necessary statutory
approvals from various Government bodies for operating the system.
He shall also fulfil the requirements laid down by various
Government Departments and obtain the frequency to operate the
wireless system.
123.4. Maintenance
The Contractor shall arrange to maintain the entire wireless
system including the mobile and base trans-receivers and all
accessories until the issue of the Taking Over Certificate for the
complete work. He shall replace any Trans-receiver or accessory
which goes out of order, at his own cost and provide all necessary
spares and attend to all repairs necessary for keeping the complete
system in satisfactory working condition. On issue of the Taking
Over Certificate after obtaining clearance from the Engineer, the
Contractor shall dismantle the complete wireless system and hand
over to the Engineer,
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General Section 100
123.5. Measurements for Payment
The measurement for supply and installation of wireless system
shall be on lumpsum basis for the complete system as described in
the preceding paras.
If the Contractor fails to commission and hand over the complete
wireless system in the stipulated time, an amount of Rs. 10,000 per
month or part thereof shall be debited to the Contractor's
account.
The measurement for maintenance of the wireless system shall be
on maintenance months and shall be made on completion of
satisfactory maintenance every month. If the Contractor fails to
carry out the required maintenance as directed by the Engineer at
any stage of work, an amount of Rs. 5000 per month or part thereof
shall be debited to the Contractor. In addition, the month/months
during which the Contractor fails to carry out the required
maintenance shall not be measured for payment. If die Contract
Works are not completed within the stipulated period or within
granted extended time of completion, the maintenance of wireless
system in accordance with Clause 123.4 shall be carried out by the
Contractor at his own cost and as such, no payment shall be made
for the same. In case of any failure by the Contractor to do so, an
amount of Rs. 8000 per month or part thereof shall be debited to
the Contractor's account.
123.6. Rates
The Contract unit rate for the supply and installation of
wireless system shall cover all the expenses towards the supply of
all necessary items and expenses towards obtaining statutory
approvals and operating frequency, erection, commissioning and
handing over, guarantee for replacement of the trans
-receiver/trans -receivers (which are found defec- tive) during the
currency of the Contract and all other incidentals.
The Contract unit rate for the maintenance of wireless system
shall be payment in full for carrying out periodic servicing and
checking of the system, replacement of components, attending to all
necessary repair, payment of taxes, if any, and other incidentals
to keep the complete system in satisfactory working condition.
124. PROVIDING AND MAINTAINING VEHICLES FOR THE ENGINEER
124.1. Scope The work covers providing and maintaining of hard
top passenger
33
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General Section 100 cars and /or hard top jeeps for use by the
Engineer as described under the Bill of Quantities.
124.2. Description
The passenger cars shall be petrol or diesel driven and may be
Am- bassador or equivalent having cylinder capacity of minimum 1400
cc. The hard top jeeps shall be 4 W Drive either petrol or diesel
driven and may be Maruti Gypsy Model MG - 410, Mahindra &
Mahindra Jeep Model MM-540/MM-440 or equivalent. The number of
vehicles to be provided by the Contractor shall be decided by the
Engineer at various times, out of the total provision in the Bill
of Quantities and indicated in writing.
The Contractor shall provide within one month from the date of
order by the Engineer, vehicles as indicated above. The vehicles
shall be provided and maintained until issue of the Taking Over
Certificate for the complete Work. Initially, new vehicles shall be
provided. In case of vehicles of Indian make, a vehicle shall be
replaced with a new vehicle after a maximum run of 75,000 km or two
years whichever is earlier. In case of vehicles of foreign make
approved by the Engineer, the vehicle shall be replaced with a new
vehicle after a maximum run of 1,00,000 km or three years whichever
is earlier. All necessary taxes for operating the vehicles shall be
fully paid and all necessary papers shall be provided as required
by prevailing Motor Vehicles Act with comprehensive insurance cover
for the vehicles. The vehicles shall be provided day and night as
required by the Engineer. The Contractor shall also make available
drivers having valid licence at such times and for such duration as
instructed by the Engineer.
124.3. Maintenance
The vehicles shall be maintained in a smooth running condition.
All expenses required for keeping the vehicles in smooth running
condition such as fuel, lubrication oil and other consumables,
necessary service and maintenance, drivers, repairs and replacement
etc. are to be met by the Contractor. In the event of any vehicle
being off the road for maintenance or on account of breakdown, the
Contractor shall provide substitute vehicle(s) immediately. If the
Contractor at any time fails to provide vehicle(s) or substitute
vehicle(s) as specified above, an amount of Rs. 500 per day or part
thereof for each vehicle (that the Contractor failed to provide)
shall be debited to the Contractor's account. Also the number of
days for which the vehicle(s) were not provided shall not be
included for payment.
34
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General Section 100
If the Contract Works are not completed within the stipulated
period or within the granted extended time of completion, provision
and main- tenance of vehicles in accordance with Clause 124,1
through 124.4 shall be carried out by the Contractor at his own
cost and no payment shall be made for the same. In case of any
failure by the Contractor to do so, an amount of Rs. 700 per day or
part thereof per vehicle shall be debited to the Contractor's
account.
124.4. Withdrawal of Vehicles
The Contractor shall withdraw particular vehicle/vehicles for
the non-use by the Engineer if so directed by the Engineer. In such
cases- the instructions for non-use of vehicle shall be given in
writing 15 days in advance and the withdrawal of vehicles shall not
be for a period of less than 15 days continuously at a time.
124.5. Measurements for Payment
The payment for providing and maintaining vehicles shall be on
vehicle day basis for actual number of days the vehicles were
provided in satisfactory working order. No payment shall be made
for the period of withdrawal as per Clause 124.4 irrespective of
the fact whether vehicle was available or not.
124.6. Rates
The Contract unit rate for providing and maintaining vehicles
for Engineer shall include all expenses towards providing and
keeping the vehicles in smooth running condition including taxes
etc., mentioned in the preceding paras.
125. SUPPLY OF COLOUR RECORD PHOTOGRAPHS AND ALBUMS
125.1. Scope
The work covers the supply of photographs, negatives and albums
to serve as a permanent record of various stages/facets of the work
needed for an authentic documentation as approved by the
Engineer.
125.2. Description
The Contractor shall arrange to take colour photographs at
various stages/facets of the work including interesting and novel
features of the work as desired by the Engineer. The photographs
shall be of acceptable quality and they shall be taken by
a-professionally competent photographer with camera having the
facility to record the date of
35
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General Section 100 photographs taken in the prints and
negative. The Contractor shall supply two colour prints of each of
the photographs taken to the standard postcard size mounted in
albums of acceptable quality. Also the negative in 35 mm size shall
be supplied for each photograph. Each photograph in the album shall
be suitably captioned.
125.3. Measurements for Payment Supply of two copies of colour
record photographs mounted in
the albums and the negative thereof shall be measured in number
of record photographs supplied.
Supply of additional prints of co lour record photographs shall
be measured in number of additional prints supplied.
125.4. Rate
The rate for the supply of record photographs shall include the
cost of taking the photographs, developing and obtaining colour
prints, cost of album, mounting of photographs and captioning the
same etc.
The rate for additional colour prints shall similarly include
all costs incurred.
The photographs and materials including negatives shall form a
par: of the records of the Department and the prints of the same
cannot be supplied to anybody else or published without the written
permission of the Department.
126. SUPPLY OF VIDEO CASSETTES
126.1. Description
The work consists of taking video films of important activities
of the work as directed by the Engineer during the currency of the
project and editing them to a video film of playing time not less
than 60 minutes and upto 180 minutes as directed by the Engineer,
It shall contain narration of the activities in English by a
competent narrator. The edition of the video film and the script
for narration shall be as approved by the Engineer. The video
cassettes shall be of acceptable quality and the film shall be
capable of producing colour pictures.
126.2. Measurements for Payment
The measurement shall be by number of sets of edited master
cassettes each with four copies thereof.
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General Section 100
126.3. Rates
The contract unit rate shall include all expenses for making
video films with the help of a professionally competent
photographer, editing, narration and supplying the final edited
master cassette alongwith four copies thereof.
37
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Site Clearance
200 Site Clearance
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Site Clearance Section 200
201. CLEARING AND GRABBING
201.1. Scope
This work shall consist of cutting, removing and disposing of
all materials such as trees, bushes, shrubs, stumps , roots, grass,
weeds, lop organic soil not exceeding 150 mm in thickness, rubbish
etc., which in the opinion of the Engineer are unsuitable for
incorporation in the works, from the area of road land containing
road embankment, drains, cross-drainage structures and such other
areas as may be specified on the drawings or by the Engineer., It
shall include necessary excava- tion, backfilling of pits resulting
from uprooting of trees and stumps to required compaction,
handling, salvaging, and disposal of cleared materials. Clearing
and grubbing shall be performed in advance of earthwork operations
and in accordance with the requirements o