p0 - mea.gov.in · pdf fileirc-83 part ii:1987 standard specification & code of practice...

2.1

2.2

2.3

2.4

3.13.1.1

3.1.2

3.1.3

3.1.43.1.5

3.1.6

3.1.7

3.2.1

3.2.23.2.3

3.2.4

3.2.53.2.6

3.2.8

3.3.1

3.3.23.3.4

3.3.5

3.3.6

3.3.7

3.3.8

3.3.103.3.11

3.5.13.5.2

3.5.3

1.1

1.21.31.4

1.5

3.3.9

3.4.13.4.23.4.3

3.4.4

ALL NOTES IN THIS DRAWING SHALL BE READ IN CONJUNCTION WITH THE RELEVANT DRAWINGS OF RESPEECTIVE BRIDGE/FLYOVERS AS PER LIST OF DRAWING.ALL DIMENSIONS ARE IN MILLIMETERS & ALL LEVELS AND CHAINAGES ARE IN METERS UNLESS STATED OTHERWISE.DIMENSIONS ARE NOT TO BE SCALED; ONLY WRITTEN DIMENSIONS ARE TO BE FOLLOWED.THE CONTRACTOR SHOULD CHECK ALL DRAWINGS, VERIFY ALL LEVELS & DIMENSIONS AND ANY DISCREPANCY FOUND SHOULD BE BROUGHT TO THE ATTENTION OF ENGINEER IN-CHARGE FOR APPROVAL PRIOR TO COMMENCEMENT OF ANY WORK.

WHERE APPLICABLE DESIGN, MATERIAL & WORKMANSHIP SHALL CONFORM TO LATEST ISSUE OF RELEVANT INDIAN STANDARD, TENDER SPECIFICATIONS AND TO THE FOLLOWING STANDARDS.IRC-5:1998 STANDARD SPECIFICATION & CODE OF PRACTICE FOR ROAD BRIDGES: GENERAL FEATURES OF DESIGNIRC-6:2014 STANDARD SPECIFICATION & CODE OF PRACTICE FOR ROAD BRIDGES: LOADS & STRESSESIRC-112:2011 STANDARD SPECIFICATION & CODE OF PRACTICE FOR ROAD BRIDGES: CONCRETE BRIDGESIRC-78:2014 STANDARD SPECIFICATION & CODE OF PRACTICE FOR ROAD BRIDGES: FOUNDATION & SUBSTRUCTUREIRC-83 PART II:1987 STANDARD SPECIFICATION & CODE OF PRACTICE FOR ROAD BRIDGES: ELASTOMERIC BEARING.IRC-83 PART III:2002 STANDARD SPECIFICATION & CODE OF PRACTICE FOR ROAD BRIDGES: POT, POT-CUM-PTFE, PIN & METALLIC GUIDE BEARING.

THE BULK DENSITIES OF MATERIAL FOR DEAD & SUPER IMPOSED DEAD LOAD ADOPTED ARE AS FOLLOWS:PRESTRESSED CONCRETE .... 25 KN/M^3REINFORCED CONCRETE .... 24 KN/M^3PLAIN CEMENT CONCRETE .. 22 KN/M^3EARTH .... 18 KN/M^3WEARING COURSE .... 22 KN/M^3

WEARING COAT SHALL CONSIST OF FOLLOWING:65 THK. WEARING COAT SHALL CONSIST OF MASTIC ASPHALT 25 THK. AND ONE LAYER OF ASPHALTIC CONC. 40mmAS PER MORTH STANDARD.

THE CARRIAGEWAY OF PROPOSED BRIDGE IS DESIGNED FOR 3 LANES OF IRC CLASS A OR 1 LANE OF IRC CLASS 70R LOADING OR 1 LANE OF IRC CLASS 70R & 1 LANE OF IRC CLASS A WHICHEVER GOVERNS.

IMPACT FACTOR AS PER CLAUSE 211 OF IRC :6 IS CALCULATED IN ADDITION TO ABOVE LIVE LOAD EFFECT.REDUCTION IN LIVE LOAD HAS BEEN CONSIDERED AS PER CL.208 IRC :6.

CONCRETE

UNLESS STATED OTHERWISE CONCRETE STRENGTH FC BASED ON THE 28 DAY STRENGTH OF 150MM CUBES SHALL BE AS FOLLOWS: GRADE FC MINIMUM CEMENT CONTENT MAXIMUM WATER USE

(KN/MM2) (N/MM2) (KG/M3) CEMENT RATIO

M30 30 380 0.40 PIERS, ABUTMENTS, APPROACH SLAB

M35 35 380 0.40 DECK SLAB. M45 45 400 0.40 PSC GIRDERS. M40 40 400 0.40 BRIDGE CRASH BARRIER.

TO IMPROVE WORKABILITY OF CONCRETE ADMIXTURES CONFORMING TO IS:6925 & IS:9103 CAN BE USED . CONTRACTOR SHOULD OBTAIN PRIOR APPROVAL BEFORE ANY SUCH USE.

MAXIMUM AGGREGATE SIZE SHOULD NOT EXCEED 20 MM UNLESS OTHERWISE SPECIFIED.

THE USE OF CEMENT TYPE TO BE DONE AS PER IRC:21MINIMUM COVER TO ANY REINFORCEMENT, UNLESS STATED OTHERWISE, SHALL BE AS FOLLOWS: NOTIONAL COVER (MM) LOCATIONS 75 PIERS, ABUTMENTS, COPING, APPROACH SLAB & OTHER REINFORCED CONCRETE MEMBERS

SUBJECTED TO ALTERNATE WETTING & DRYING OR IN CONTACT WITH EARTH. 40 PIER & ABUTMENT SHAFT PIER CAPS & OTHER REINFORCED CONCRETE MEMBERS 40 PASSIVE STEEL FOR GIRDER SUPERSTRUCTURE 75 SIDE & BOTTOM OF GIRDER FOR PRESTRESSING STEELALL CONSTRUCTION JOINTS ARE TO BE PROVIDED AS PER SPECIFICATION AT LOCATIONS APPROVED BY ENGINEER-IN-CHARGE OTHER THAN THOSE SHOWN IN THE DRAWINGS.

THE CONCRETE SURFACE FINISH SHOULD BE DONE AS PER SPECIFICATION . A TYPICAL TRIAL PANEL SHOULD BE PREPARED PRIOR TO EXECUTION OF ANY WORK FOR DUE APPROVAL BY ENGINEER-IN-CHARGE.

REINFORCEMENTS SHALL CONFORM TO GRADE FE 500 OF IS:1786 WITH CHARACTERISTICS STRENGTH FY = 500 N/MM^2

REINFORCEMENT SHALL BE BENT AS PER IS:2502. STEEL SPACER BAR (NOT SHOWN IN DRAWINGS) SIZE SHALL NET BE LESS THAN 25MM OR DIA. OF SUPPORTED BARS WHICHEVER IS HIGHER & SPACED NOT MORE THAN 60X SMALLER DIA. OF SUPPORTED BARS.CONTRACTOR SHOULD PROVIDE CHAIR & OTHER SUPPORTING ARRANGEMENT OF BARS AS PER SITE. THESE BAR ARRANGEMENTS ARE NOT SHOWN IN DESIGN DRAWING.ALL BENDER BOND, LAPS & ANCHORAGE OF BARS SHALL BE PROVIDED AS PER IRC:21NOTATIONS OF REINFORCEMENT

WELDING OF REBARS & USE OF MECHANICAL COUPLERS /ANCHORAGE SHALL CONFORM TO IRC:21.

ALL PRESTRESSING STRAND STEEL BE OF 12.7MM NOMINAL DIA. (AREA= 98.7MM^2;BREAKING LOAD, UTS = 183.7KN; EP = 195GPA), 7-WIRE, LOW RELAXATION(1000 HOUR VALUE IS 2.5% AT 20DEG C.) CONFORM TO IS:14268 JACKING FORCE FOR TENDON SHALL BE LIMITED TO 0.765X UTS.

UNLESS STATED OTHERWISE, ALL HDPE DUCT ID SHALL BE 75MM FOR 12T13 CABLES & 85MM FOR 19T13 CABLES.

DUCTS & ANCHORAGE ASSEMBLY SHALL BE STRONG, RIGIDLY FIXED & WATERTIGHT. THE NUMBER OF JOINTS SHALL BE KEPT TO MINIMUM & THEY SHOULD BE MADE WITH SCREWED COUPLERS SEALED WITH ADHESIVE TAPES.WHERE THERE IS A INTERFERENCE TO THE CLEARANCE BETWEEN TENDON & REINFORCEMENT THE TENDON PROFILE SHOULDGET PRIORITY. THE MAXIMUM DEVIATION IN TENDON PROFILE IN VERTICAL PLANE SHALL BE +/- 5MM.UNLESS STATED OTHERWISE, ALL ANCHORAGE ASSEMBLY OF 12T13 PRESTRESSING SYSTEM & REINFORCEMENT BEHIND ANCHORAGES SHALL BE PROVIDED AS PER PRESTRESSING SYSTEM SUPPLIER.FOLLOWING DESIGN PARAMETERS ARE ASSUME FOR PRESTRESSING LOSS CALCULATION:A) CO-EFFICIENT OF FRICTION, =.17B) WOBBLE CO-EFFICIENT ,K= .002/MC) ANCHORAGE PULL-IN = 6 MMALL STRESSING OPERATION SHALL BE DONE AS PER SPECIFICATION.GROUTING OF TENDON SHALL BE DONE AS PER IRC:18.ALL ANCHORAGE BLOCK OUT SHALL BE FILLED WITH NON-SHRINK CEMENTATIONS GROUT OR EQUIVALENT.

BEARING SHALL HAVE GUARANTEED DESIGN LIFE NOT LESS THAN 15 YEARS.ALL BEARING SHALL BE REPLACEABLE TYPE WITHOUT CAUSING ANY DAMAGE TO PERMANENT STRUCTUREBEARING SHALL BE DESIGNED, MANUFACTURED & INSTALLED IN ACCORDANCE WITH IRC:83 PART I, II & III.

THE ELASTOMERIC BEARING SHALL BE FIXED TO THE BED BLOCK WITH EPOXY RESIN MORTAR. BEFORE LAYING THE EPOXY MORTAR THE CONCRETE SURFACE OF THE BED BLOCK SHALL BE ABRADED BY CHIPPING & PROPERLY CLEAN. A THIN BEDDING OF GREEN EPOXY RESIN MORTAR ( SOLVENT FREE EPOXY RESIN ADHESIVE MIXED WITH MORTAR)

ALL EXPANSION JOINTS SHALL HAVE GUARANTEED DESIGN LIFE NOT LESS THAN 25 YEARS.ALL JOINTS SHOULD BE POSITIVELY ANCHORED TO THE DECK. WATER PROOFING SYSTEM FOR EXPANSION JOINT SHOULD BEINSTALLED IN FOR COMPLETE LENGTH AND NOT IN SECTIONS TO ENSURE WATER TIGHTNESS.THE EXPANSION JOINT INSTALLATION SHALL BE DONE PREFERABLY AFTER PREMIXING & BEFORE THE DECK IS OPEN TO TRAFFIC.

THEY SHALL BE FREE FROM DIRT, GREASE OR ANY OTHER AGGRESSIVE MATERIAL.

OF THICKNESS 6MM ,MIN. TO 25 MM ,MAX. SHALL BE USED

GENERAL NOTES

M35 35 380 0.40 PILE, PILE CAP & OPEN FOUNDATION.

Myanmar/TKK/IRCON-STC/BR/001 P0

MINISTRY OF EXTERNAL AFFAIRSNEW DELHI,INDIA

PROJECT:CLIENT :

Consultancy Services For Preparation of Feasibility Report For Construction of Bridges including Approaches onTamu- Kyigone-Kalewa Road Section From Km 0.000 to Km 149.700 in Myanmar. DRAWING NO.

TITLE:

(DENOTED AS ) & MILD STEEL WITH FY=250N/MM^2 (DENOTED AS `R').

P0


PROJECT:CLIENT :


Myanmar/TKK/

TITLE: GENERAL ARRANGEMENT DRAWING FORMAJOR BRIDGE AT 00+170 (1/1)SHEET (1 OF 2)

BR/101

GENERAL ARRANGEMENT DRAWING FOR

MAJOR BRIDGE AT 00+170 (1/1)

SHEET (2 OF 2)

BR/102 P0


PROJECT:CLIENT :


Myanmar/TKK/

TITLE:

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PROJECT:CLIENT :


Myanmar/TKK/

TITLE:GENERAL ARRANGEMENT DRAWING FOR


SHEET (1 OF 2)

BR/161

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Myanmar/TKK/



SHEET (2 OF 2)

BR/162

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Myanmar/TKK/


BR/231

GENERAL ARRANGEMENT DRAWING FORMAJOR BRIDGE AT 34+620 (22/1)SHEET (2 OF 2)

BR/232 P0


PROJECT:CLIENT :


Myanmar/TKK/

TITLE:

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Myanmar/TKK/


BR/261


BR/262 P0


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Myanmar/TKK/

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Myanmar/TKK/


BR/281


BR/282 P0


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Myanmar/TKK/

TITLE:

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Myanmar/TKK/



SHEET (1 OF 2)

BR/301

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p0 - mea.gov.in · pdf fileirc-83 part ii:1987 standard specification & code of practice...

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