national highway authority - a-014 3d view of...
TRANSCRIPT
A-000 Front Page.pdf
A-001 General Notes.pdf
A-002 Diversion Plan.pdf
A-003 Detail of Sections.pdf
A-004 Existing Plan of Bridge NBC & SBC.pdf
A-005 Detail of Sections.pdf
A-006 Plan & Elevation of Bridge North Bond.pdf
A-007 Plan & Elevation of Bridge South Bond.pdf
A-008 Detail of Deck Slab North Bond.pdf
A-009 Detail of Deck Slab South Bond.pdf
A-010 Reinf. Detail of Deck Slab NBC & SBC.pdf
A-011 Notes for Expansion Joints.pdf
A-012 Detail of Indigenouus Expansion Joints.pdf
A-013 Methodology for Installation of Expansion Joints.pdf
A-014 3D View of Expansion Joints.pdf
NATIONAL HIGHWAY AUTHORITYISLAMABAD
Tel: 051-5500441/0333-5104919E-mail:[email protected] URL: www.cmiqbal.comH# 470, Street 17, Chaklala Scheme 3 RawalpindiCivil Engineers & ConsultantsCECON
SEP , 2018
REDECKING OF OLD NARA CANAL BRIDGE AT KM:484-485
NBC & SBC (N-5)
C:\Users\HOME\Desktop\NHA NEW LOGO_edited.jpg
ENGINEER'S ESTIMATE &DRAWINGS
A. GENERAL: 1. THE CONTRACTOR SHOULD STUDY THE DRAWINGS
CAREFULLY BEFORE STARTING OF WORK. MISTAKES, IF ANY, SHOULD BE IMMEDIATELY NOTIFIED TO THE ENGINEER
2. IN CASE OF ANY DIFFERENCE, THESE SPECIFICATIONS WILL SUPERSEDE THE NHA GENERAL SPECIFICATIONS.
3. THE SPECIFICATIONS GIVEN IN THE DRAWINGS SHALL OVER RULE THE GENERAL NOTES.
4. ALL DIMENSIONS ARE IN MILLIMETER UNLESS OTHERWISE SPECIFIED..
5. ALL EXPOSED CONCRETE CORNER, EDGES AND ANGLES SHALL BE CHAMFERED OR FILLETED 20x20mm UNLESS OTHERWISE SPECIFIED.
6. GIRDERS TOP WILL BE ROUGHENED TO FULL AMPLITUDE OF 6mm.
B. DESIGN PARAMETER: 1. THE BRIDGE LOADING IS BASED ON THE WEST PAKISTAN CODE
OF PRACTICE FOR HIGHWAY BRIDGES (1967) AND AASHTO STANDARD SPECIFICATIONS FOR HIGHWAY BRIDGES (2007).
2. THE FOLLOWING LIVE LOADS HAVE BEEN CONSIDERED IN DESIGN:
i. CLASS A LOADS INCLUDING IMPACT AS PER WPCPHB, 1967.
ii. MILITARY LOADS 70 TON TANK INCLUDING IMPACT AS PER WPCPHB, 1967.
iii. A SINGLE LOAD OF 95 KN ON 0.3m x 0.6m AREA (FOR PUNCHING SHEAR OF DECK SLAB ONLY).
C. MATERIAL AND WORKMANSHIP:
ALL MATERIAL SHALL CONFORM TO THE AASHTO / ASTM / NHA SPECIFICATIONS AND STANDARDS.
D. STEEL REINFORCEMENT:- REINFORCING STEEL
1. ALL REINFORCING STEEL SHALL BE ROLLED FROM PRIME GRADE PAKISTAN STEEL BILLETS. REINFORCEMENT ROLLED FROM SCRAPED STEEL, SHIP PLATE OR RE-ROLLED BILLETS SHALL NOT BE USED.
2. ALL REINFORCING BARS SHALL BE HIGH YIELD DEFORMED BARS WITH MINIMUM YIELD STRENGTH OF 410 N/mm2 (APPROX. 60,000 psi) CONFORMING ASTM 615 HOT ROLLED.
3. THE CONTRACTOR SHALL PREPARE ALL BAR BINDING SCHEDULE etc, AND SUBMIT THEM FOR APPROVAL OF THE ENGINEER’S REPRESENTATIVE BEFORE EXECUTION.
4. ALL REINFORCING STEEL SHALL BE ACCURATELY LOCATED IN FORM WORK, FIRMLY IN PLACE BY MEANS OF 16 GAUGE BLACK ANNEALED WIRE AND ADEQUATELY DESIGN SPACERS BEFORE PLACING OF CONCRETE. CONCRETE:
1. THE STRENGTH OF CONCRETE SHALL BE MEASURED ON 150x300mm CYLINDERS. THE CYLINDERS SHALL BE PREPARED UNDER THE SUPERVISION OF THE ENGINEER AND SHALL BE TESTED AT A LABORATORY APPROVED BY HIM.
2. THE GRADING OF COARSE AND FINE AGGREGATES SHOULD BE FREQUENTLY CHECKED.
3. ALL EXPOSED CONCRETE SURFACES ABOVE GROUND SHALL HAVE “FAIR FACE” FINISH.
4. TWELVE (12) CONCRETE TEST CYLINDERS WILL BE CASTED, SIX OF THESE WILL BE CURED AND TESTED UNDER LABORATORY CONDITIONS AND OTHER SIX WILL BE CURED UNDER CONDITION PREVAILED ON THE STRUCTURE AND THE DIFFERENCE IN RESULTS WILL BE RECORDED.
E. CONCRETE COVER & STRENGTH:- MINIMUM CONCRETE COVER SHALL BE AS FOLLOWS UNLESS OTHERWISE SPECIFIED. CONCRETE STRENGTH WILL BE CONFORMING TO NHA SPECIFICATIONS. THE DESIGN MIX MUST HAVE AN AVERAGE LABORATORY COMPRESSIVE STRENGTH EQUAL TO OR GREATER THAN THE “DESIGN 28 DAYS COMPRESSIVE STRENGTH” PLUS 90 Kg/cm2 (1300 psi) FOR ALL TYPES OF MIX DESIGNS.
F. IMPORTANT NOTES:- 1. EXTREME PRECAUTION WILL BE TAKEN TO PRESERVE THE
REINFORCEMENT COMING OUT OF THE GIRDER.THIS REINFORCEMENT WILL BE CLEANED PRESERVED AND TO BE EMBEDDED IN THE NEW DECK SLAB.
2. IN CASE ANY SINGLE BAR IS DAMAGED /BROKEN THEN THE CONTRACTOR WILL BE PROVIDE EQUIVALENT DOWELA AT HIS OWN COST.
3. THESE DOWELS WILL BE MADE BY DRILLING 175mm DEEP HOLES AT TOP OF GIRDERS AND THEN EMBEDDING DOWELS IN BORED HOLES USING HILTI/FISHER (FIS-V360-5) OR EQUIVALENT
G. SPECIAL NOTES:-
1. EXISTING DAMAGED REINFORCEMENT WILL NOT BE REUSED ONLY NEW BILLET STEEL REINFORCEMENT WILL BE USED.
2. THE CONTRACTOR WILL PROVIDE ACCURATE SKETCHES OF ALL MEMBERS OF THE EXISTING SUPPER STRUCTURE BEFORE THE START OF WORK.
3. THE EXISTING DECK SLAB WILL BE DISMENTALED USING PNEUMATIC HAND HELD CONCRETE BREAKERS ONLY, HEAVY JACK HAMMERS ARE NOT ALLOWED
4. IN ADDITION 50mm ASPHALT WEARING COURSE WILL ALSO BE PROVIDED UPTO 15m LENGTH ON BRIDGE APPROACHES.
5. 28 DAYS COMPRESSIVE STRENGTH OF CONCRETE WILL 280 kg/ cm² AND TO ACHIEVE THE FIELD STRENGTH, ITS LABORATORY STRENGTH WILL BE 370 kg/ cm² .
6. BEFORE CONCRETING OF NEW DECK SLAB ENSURE 225mm (Minimum) CONCRETE IS CHISELED OUT AT TOP OF ALL GIRDERS THROUGHOUT THEIR LENGTH.
7. CONCRETE USED WILL BE FROM CONCRETE BATCHING PLANT ONLY AND TRANSPORTED IN TRANSIT MIXERS.
8. THE TEMPERATURE OF CONCRETE WILL NEITHER BE LESS THAN 10° C NOR MORE THAN 35° C.
9. CONTRACTOR WILL USE GOOD QUALITY HARROW SAND. LOW QUALITY SAND WILL FAIL DECK SLAB AGAIN.
10. CURING OF CONCRETE WILL BE DONE CONTINUOUSLY DAY AND NIGHT ON HOURLY BASIS FOR MINIMUM 20 DAYS SUCH THAT THE CONCRETE WALL REMAINS MOIST 24 HRS FOR 24 DAYS AFTER ITS COMPLETION
11. CONTRACTOR WILL DO COLD MILLING (00-50MM) AND PROVIDE ASPHALT WEARING COURSE (CLASS-B) ON BRIDGE APPROACHES UP TO 15 METER LENGTH ON BOTH SIDES FOR NBC AND SBC BRIDGE
12. SAFETY OF WORKERS WILL BE THE PRIME RESPONSIBILITY OF THE CONTRACTOR FOR WHICH SUITABLE WORK METHODOLOGY WILL BE SUBMITTED BY THE CONTRACTOR TO THE ENGINEER IN CHARGE.
13. DECK SLAB OF ONE BRIDGE WILL BE DISMANTLED AND RECONSTRUCTED BEFORE STARTING OF SIMILAR WORK ON THE OTHER BRIDGE.
14. DISMANTLING AND STARTING OF WORK OF BOTH BRIDGES SIMULTANEOUSLY IS STRICTLY PROHIBITED.
LAP LENGTH DEVELOPMENT LENGTH in tension(mm)
BAR SIZE
Fc' (Mpa)
TENSION BAR
TOP BARS -TB
OTHER BARS-OB (DL)
Φ10 21 710 545 330
28 615 475 430
35 550 425 430
Φ12 21 945 730 430
28 820 630 435
35 730 505 430
Φ16 21 1185 910 535
28 1020 785 535
35 915 705 535
Φ22 21 1420 1090 965
28 1225 945 840
35 1095 845 760
Φ25 21 2365 1820 1245
28 2020 1555 1070
35 1805 1390 965
Φ32 21 3000 2310 1930
28 2565 1975 1675
35 2299 1705 1500
STRUCTURAL ELEMENT CATEGORY
CLEAR CONCRETE COVER (mm)
28 DAYS DESIGN CYLINDER STRENGTH (Kg/Cm2)
28 DAYS TRIAL MIX LABORATORY CYLINDER STRENGTH (Kg/Cm2)
BARRIERS TOP AND SIDE FACE
25 30 210 (A1) 300
DECK SLAB
TOP SIDE UNDER SIDE
40 30 280 (A3) 370
04
DWG. NO.DATE
DESIGNED BY
CHECKED BY
DRAWN BY
APPROVED
RECOMMENDED
DR.M IQBAL
ARIF RAO
SEP, 2018APPROVED
04
DATE
02
03
01
REV. DESCRIPTION
ISLAMABADNATIONAL HIGHWAY AUTHORITY
SCALEAS SHOWN
A-001
GENERAL NOTES
ISRAR AHMED
REDECKING OF OLD NARACANAL BRIDGE AT KM: 484-485
NBC & SBC (N-5)
DIVERSION PLAN
U/S
D/S
NBC
SBC
A
70000
A BB
TO SUKKAUR TO PANO AQIL
DIVERSION
N T S
DWG. NO.DATE
DESIGNED BY
DRAWN BY
CHECKED BY
Dr. M IQBAL
DESCRIPTION
04
02
03
01
REV. DATE APPROVED A-002SEP, 2018
DIVERSION PLAN CECONCivil Engineers & ConsultantsH# 470, Street 17,Chaklala Scheme 3 RawalpindiE-mail:[email protected] URL:www.cmiqbal.comTel: 051-5500441/0333-5104919
REDECKING OF OLD NARACANAL BRIDGE AT KM: 484-485
NBC & SBC (N-5)
NATIONAL HIGHWAY AUTHORITYISLAMABAD
ARIF RAOISRAR AHMED
RCC PIPE CULVERTØ610mm AASHTO M170 CLASS II
10000
12000
70000
300mm SUB BASE
300mm WATER BOUND MACADAM BASEWITH CORSE AGGREGATE: CLASS B
RCC PIPE CULVERTØ610mm AASHTO M170 CLASS II
SECTION A-A
TRIPLE SURFACETREATMENT
SECTION B-B
300mm WATER BOUND MACADAM BASEWITH CORSE AGGREGATE: CLASS B
300mm SUB BASE
TRIPLE SURFACE TREATMENT
EMBANKMENT A-3 SAND
EMBANKMENT A-3 SAND
BED LEVEL
BED LEVEL
N T S
DWG. NO.DATE
DESIGNED BY
DRAWN BY
CHECKED BY
Dr. M IQBAL
DESCRIPTION
04
02
03
01
REV. DATE APPROVED A-003SEP, 2018
DETAIL OF SECTIONSCECONCivil Engineers & ConsultantsH# 470, Street 17,Chaklala Scheme 3 RawalpindiE-mail:[email protected] URL:www.cmiqbal.comTel: 051-5500441/0333-5104919
REDECKING OF OLD NARACANAL BRIDGE AT KM: 484-485
NBC & SBC (N-5)
NATIONAL HIGHWAY AUTHORITYISLAMABAD
ARIF RAOISRAR AHMED
20800SLAB LENGTH
20800SLAB LENGTH
20800SLAB LENGTH
EXP. JOINTEXP. JOINT
2400
2400
2400
1500
1500
1020
0
1800
1800
1800
1200
1200
2400
2400
2400
1500
1500
1020
0
1800
1800
1800
1200
1200
EXISTING BRIDGE(SOUTH BOND)
EXISTING BRIDGE(NORTH BOND)
(SBC) BRIDGE
(NBC) BRIDGE
A
AN.J.BARRIER
EXP. JOINT EXP. JOINT
N.J.BARRIER
20700SLAB LENGTH
20700SLAB LENGTH
20700SLAB LENGTH
EXP. JOINT EXP. JOINTEXP. JOINTEXP. JOINT
NOTE:-1. CONCRETE MUST BE DISMANTLED USING PNEUMATIC
HAND HELD CONCRETE BREAKERS ONLY. HEAVY JACKHAMMER WILL NOT BE USED.
EXISTING SLAB , & BARRIERTO BE DISMANTLED
ARIF RAO N T S
DATE
DESIGNED BY
DRAWN BY
CHECKED BY
Dr. M IQBAL
DESCRIPTION
04
02
03
01
REV. DATE APPROVED
CECONCivil Engineers & ConsultantsH# 470, Street 17,Chaklala Scheme 3 RawalpindiE-mail:[email protected] URL:www.cmiqbal.comTel: 051-5500441/0333-5104919
NATIONAL HIGHWAY AUTHORITYISLAMABAD DWG. NO.
SEP, 2018
ISRAR AHMED
REDECKING OF OLD NARACANAL BRIDGE AT KM: 484-485
NBC & SBC (N-5)A-004
PLAN OF EXISTING BRIDGENORTH BOND & SOUTH BOND)
1500
10200 102004200
EXISTINGTRANSOM
EXISTINGTRANSOM
1500
10200 102004200
EXISTINGTRANSOM
EXISTINGTRANSOM
EXISTINGDECK SLAB WILLBE DISMANTLED
EXISTINGDECK SLAB WILLBE DISMANTLEDEXISTING
BARRIEREXISTINGBARRIER
NEWLY CONTRACTEDDECK SLAB
900
NEWLYCONSTRUCTEDBARRIER
EXISTING DECK SLAB(SECTION A-A)
SBC NBC
SBC NBC
NEWLY CONSTRUCTED DECK SLAB
NEWLY CONTRACTEDDECK SLAB
NEWLYCONSTRUCTEDBARRIER
225
225
1020
1500
1500
900
225
225
1020 50mm AWC50mm AWC
1800 1800 1800 12001200 1800180018001200 1200
1800 1800 1800 12001200 1800180018001200 1200
2400 2400 2400 15001500
2400 2400 2400 15001500
2400 2400 2400 15001500
2400 2400 2400 15001500
EXISTING SLAB , & BARRIERTO BE DISMANTLED
NOTE:-1. CONCRETE MUST BE DISMANTLED USING PNEUMATIC
HAND HELD CONCRETE BREAKERS ONLY. HEAVY JACKHAMMER WILL NOT BE USED.
ARIF RAO N T S
DATE
DESIGNED BY
DRAWN BY
CHECKED BY
Dr. M IQBAL
DESCRIPTION
04
02
03
01
REV. DATE APPROVED
CECONCivil Engineers & ConsultantsH# 470, Street 17,Chaklala Scheme 3 RawalpindiE-mail:[email protected] URL:www.cmiqbal.comTel: 051-5500441/0333-5104919
NATIONAL HIGHWAY AUTHORITYISLAMABAD DWG. NO.
SEP, 2018
SECTION OF EXISTING & PROPOSED BRIDGE
A-005
ISRAR AHMED
REDECKING OF OLD NARACANAL BRIDGE AT KM: 484-485
NBC & SBC (N-5)
P.S.C GIRDERSDIMENSIONS OF DECK SLAB
(NORTH BOND)
20700SLAB LENGTH
20700SLAB LENGTH
20700SLAB LENGTH
25mm EXP. JOINT25mm EXP. JOINT
2400
2400
2400
1500
1500
1020
0
1800
1800
1800
1200
1200
NEWLYCONSTRUCTEDBARRIER
25mm EXP. JOINT 25mm EXP. JOINT
SCOPE OF WORKONLY DECK SLAB, BARRIERS, & 04 EXPANSION JOINTS TO BEREPLACED.
(SHOWN SUPPER STRUCTURE)
ELEVATION(NORTH BOND)
20700SLAB LENGTH
20700SLAB LENGTH
20700SLAB LENGTH
25mm EXP. JOINT25mm EXP. JOINT25mm EXP. JOINT 25mm EXP. JOINT
ARIF RAO N T S
DATE
DESIGNED BY
DRAWN BY
CHECKED BY
Dr. M IQBAL
DESCRIPTION
04
02
03
01
REV. DATE APPROVED
DIMENSION DETAIL OF CECONCivil Engineers & ConsultantsH# 470, Street 17,Chaklala Scheme 3 RawalpindiE-mail:[email protected] URL:www.cmiqbal.comTel: 051-5500441/0333-5104919
NATIONAL HIGHWAY AUTHORITYISLAMABAD DWG. NO.
A-006SEP, 2018
PROPOSED DECK SLAB(NORTH BOND)ISRAR AHMED
REDECKING OF OLD NARACANAL BRIDGE AT KM: 484-485
NBC & SBC (N-5)
P.S.C GIRDERSDIMENSIONS OF DECK SLAB
(SOUTH BOND)
20800SLAB LENGTH
20800SLAB LENGTH
25mm EXP. JOINT25mm EXP. JOINT
2400
2400
2400
1500
1500
1020
0
1800
1800
1800
1200
1200
NEWLYCONSTRUCTEDBARRIER
25mm EXP. JOINT 25mm EXP. JOINT
SCOPE OF WORKONLY DECK SLAB, BARRIERS, & 04 EXPANSION JOINTS TO BEREPLACED.
(SHOWN SUPPER STRUCTURE)
ELEVATION(SOUTH BOND)
20800SLAB LENGTH
20800SLAB LENGTH
25mm EXP. JOINT25mm EXP. JOINT25mm EXP. JOINT 25mm EXP. JOINT
20800SLAB LENGTH
20800SLAB LENGTH
ARIF RAO N T S
DATE
DESIGNED BY
DRAWN BY
CHECKED BY
Dr. M IQBAL
DESCRIPTION
04
02
03
01
REV. DATE APPROVED
DIMENSION DETAIL OF CECONCivil Engineers & ConsultantsH# 470, Street 17,Chaklala Scheme 3 RawalpindiE-mail:[email protected] URL:www.cmiqbal.comTel: 051-5500441/0333-5104919
NATIONAL HIGHWAY AUTHORITYISLAMABAD DWG. NO.
A-007SEP, 2018
PROPOSED DECK SLAB(SOUTH BOND)ISRAR AHMED
REDECKING OF OLD NARACANAL BRIDGE AT KM: 484-485
NBC & SBC (N-5)
P.S.C GIRDERSDIMENSIONS OF DECK SLAB
(NORTH BOND)
20700SLAB LENGTH
20700SLAB LENGTH
20700SLAB LENGTH
25mm EXP. JOINT25mm EXP. JOINT24
0024
0024
0015
00
1020
0
1800
1800
1800
1200
1200
A
A NEWLYCONSTRUCTEDBARRIER
25mm EXP. JOINT 25mm EXP. JOINT
(SHOWN SUPPER STRUCTURE)
1500
225
1020
250
275
495
DETAIL "X"
200
380
50mm AWC
Ø16@200C/C
Ø16@200C/C
13-Ø12
DECK SLAB RIENF.
REINF. OF BARRIER
Ø100@3000 C/CPVC DRAIN PIPE
NOTE:THE CROSS SLOPE OF NEW DECK SLAB WILL BESAME AS THAT OF THE EXISTING.
BEFORE CONCRETING OF NEW DECK SLAB ENSURE225mm (MINIMUM) CONCRETE IS ALSO CHISELED OUTAT TOP OF ALL GIRDERS THROUGHOUT THEIRLENGTHS.ITS MEANS THAT THE EXISTING DECK SLABWILL BE REMOVED COMPLETELY & UNIFORMLYINCLUDING AT. THE TOP OF GIRDERS BY CHIESELINGAND NOT BY USING JACK HAMMERS etc.
10200
L OF BRIDGE
225
50mm AWCC
SECTION A-A24001500
Ø100@3000 C/CPVC DRAIN PIPE
1020
2400
225
2400 1500Ø100@3000 C/C
PVC DRAIN PIPE
1020225mm DECK SLAB
04
DWG. NO.DATE
DESIGNED BY
CHECKED BY
DRAWN BY
APPROVED
RECOMMENDED
DR.M IQBAL
ARIF RAO
SEP, 2018APPROVED
04
DATE
02
03
01
REV. DESCRIPTION
ISLAMABADNATIONAL HIGHWAY AUTHORITY
SCALEAS SHOWN
A-008
ISRAR AHMED REDECKING OF OLD NARA
CANAL BRIDGE AT KM: 484-485NBC & SBC (N-5)
BEFORE CONCRETING OF NEW DECK SLAB ENSURE225mm (MINIMUM) CONCRETE IS ALSO CHISELED OUTAT TOP OF ALL GIRDERS THROUGHOUT THEIRLENGTHS.ITS MEANS THAT THE EXISTING DECK SLABWILL BE REMOVED COMPLETELY & UNIFORMLYINCLUDING AT. THE TOP OF GIRDERS BY CHIESELINGAND NOT BY USING JACK HAMMERS etc.
10200
L OF BRIDGE
225
50mm AWCC
SECTION A-A24001500
Ø100@3000 C/CPVC DRAIN PIPE
1020
2400
225
2400 1500Ø100@3000 C/C
PVC DRAIN PIPE
1020225mm DECK SLAB
NOTE:THE CROSS SLOPE OF NEW DECK SLAB WILL BESAME AS THAT OF THE EXISTING.
225
1020
250
275
495
DETAIL "X"
200
380
50mm AWC
Ø16@200C/C
Ø16@200C/C
13-Ø12
DECK SLAB RIENF.
REINF. OF BARRIER
Ø100@3000 C/CPVC DRAIN PIPE
P.S.C GIRDERSDIMENSIONS OF DECK SLAB
(SOUTH BOND)
20800SLAB LENGTH
20800SLAB LENGTH
20800SLAB LENGTH
25mm EXP. JOINT25mm EXP. JOINT24
0024
0024
0015
00
1020
0
1800
1800
1800
1200
1200
A
A NEWLYCONSTRUCTEDBARRIER
25mm EXP. JOINT 25mm EXP. JOINT
(SHOWN SUPPER STRUCTURE)
1500
04
DWG. NO.DATE
DESIGNED BY
CHECKED BY
DRAWN BY
APPROVED
RECOMMENDED
DR.M IQBAL
ARIF RAO
SEP, 2018APPROVED
04
DATE
02
03
01
REV. DESCRIPTION
ISLAMABADNATIONAL HIGHWAY AUTHORITY
SCALEAS SHOWN
A-009
ISRAR AHMED REDECKING OF OLD NARA
CANAL BRIDGE AT KM: 484-485NBC & SBC (N-5)
03
0404
050102
040404
SECTION B-B
05
10200
Ø16 @ 200C/C
BEFORE CONCRETING OF NEW DECK SLABENSURE 225mm (MINIMUM) CONCRETE ISALSO CHISELED OUT AT TOP OF ALLGIRDERS THROUGHOUT THEIRLENGTHS.ITS MEANS THAT THE EXISTINGDECK SLAB WILL BE REMOVEDCOMPLETELY & UNIFORMLY INCLUDING AT.THE TOP OF GIRDERS BY CHIESELING ANDNOT BY USING JACK HAMMERS etc.
DOWELS
Ø16@150C/C (T) 01
Ø16@150C/C (B) 02
Ø16@200C/C (T) 05ADDIT. LENGTH 2.5m
Ø12@200C/C (T) 03
REINF. OF DECK SLABB
Ø12@200C/C (T)ADDITI. LENGTH 2.5m
Ø12@200C/C (T)ADDIT. LENGTH 5mØ16@200C/C (B) 04
B
Ø16@200C/C (T) 05ADDIT. LENGTH 2.5m
Ø12@200C/C (T)ADDIT. LENGTH 2.5m
1. EXTREME PRECAUTIONS WILL BE TAKENTO PRESERVE THE REINFORCEMENTCOMING OUT OF THE GIRDERS, THISREINFORCEMENT WILL BE CLEANEDPRESERVED AND TO BE EMBEDDED INTHE NEW DECK SLAB.
2. IN CASE ANY SINGLE BAR IS DAMAGED/BROKEN THEN THE CONTRACTOR WILLBE PROVIDE EQUIVALENT DOWELS ATHIS OWN COST.
3. THESE DOWELS WILL BE MADE BYDRILLING 175mm DEEP HOLES AT TOP OFGIRDERS AND THEN EMBEDDINGDOWELS IN BORED HOLES USINGHILTI/FISHER (FIS-V360 -5 ) OREQUIVALENT.
225
NOTE:-1. EXISTING DECK SLAB BARRIER AND EXPANSION JOINTS TO BE
DISMANTLED USING HAND HELD CONCRETE BREAKERS HEAVYJACK HAMMER WILL NOT BE USED.
2. GIRDER SHEAR REINFORCEMENT WILL BE CLEANED &PRESERVED.
3. CONCRETE USED WILL BE FROM CONCRETE BATCHING PLANTTRANSPORTED IN TRANSIT MIXERS, IN ADDITION 24 HOURSWET CURING FOR 20 DAYS WILL BE ENSURED.
4. 28 DAYS COMPRESSIVE STRENGTH OF CONCRETE WILL 280 kg/cm² AND TO ACHIEVE THE FIELD STRENGTH, ITS LABORATORYSTRENGTH WILL BE 370 kg/ cm²
ARIF RAO N T S
DATE
DESIGNED BY
DRAWN BY
CHECKED BY
Dr. M IQBAL
DESCRIPTION
04
02
03
01
REV. DATE APPROVED
REINF. DETAIL OF CECONCivil Engineers & ConsultantsH# 470, Street 17,Chaklala Scheme 3 RawalpindiE-mail:[email protected] URL:www.cmiqbal.comTel: 051-5500441/0333-5104919
NATIONAL HIGHWAY AUTHORITYISLAMABAD DWG. NO.
A-010SEP, 2018
DECK SLABISRAR AHMED
REDECKING OF OLD NARACANAL BRIDGE AT KM: 484-485
NBC & SBC (N-5)(NBC/SBC)
METHODOLOGY FOR INSTALLATION OF EXPANSION JOINT
1. THE MOST IMPORTANT ASPECT OF THE EXPANSION JOINT IS HOW PROPERLY IT IS LEVELED AND EMBEDDED IN GOOD QUALITY CONCRETE BY EXPERIENCED/STAFFWORKERS.
2. IN CASE OF EXISTING BRIDGE BLOCKOUT CAVITY WILL BE PREPARED BY CHISELING/PNEUMATIC HAND HELD CONCRETE BREAKERS. JACK HAMMERS WILL NOT BE USED. THEEXISTING REINFORCEMENT OF DECK SLAB MUST NOT BE DAMAGED BUT TO BE CLEANED, STRAIGHTENED AND PRESERVED.
3. THE BLOCKOUT CAVITY SHOULD BE BRUSHED CLEANED.4. FOR BONDAGE BETWEEN THE OLD AND NEW CONCRETE, APPLY BONDING AGENT SIKADUR-32 LP OR (EQUIVALENT) TO THE EXISTING EXPOSED EDGES OF THE CONCRETE.5. FOR HIGH EARLY STRENGTH OF CONCRETE, USE WATER REDUCING AGENT SIKAMENT-163 (600 ml / CEMENT BAG) ALONG WITH HARDENER ACCELERATOR AS SIKARAPID-1
(750 ml / BAG) OR EQUIVALENT.6. LOW COST ADMIXTURES CONTAINING CHLORIDES AND SULPHATES SHALL NOT BE USED.7. CONCRETING ON SUN HEATED STEEL PLATES / SHUTTERING BEYOND 32° C WILL NOT BE ALLOWED.8. A3 CONCRETE (280 Kg / cm² AND GRADE 60 STEEL WILL BE USED.9. WHILE USING ADMIXTURES MANUFACTURERS SPECIFICATIONS MUST BE FOLLOWED.10. COMPLETE WET CURING FOR 7 DAYS IS MUST, OTHERWISE PREFER USING CONCRETE CURING COMPOUND ANTICSOL-E15 (0.20 Kg / m ) OR EQUIVALENT WITHIN 6
HOURS OF CONCRETING AND COVER THE CONCRETE AREA WITH OPAQUE / COLORED PLASTIC SHEETS.11. WHEN THE BRIDGE IS LOCATED OVER A RIVER / CANAL / NULLAH, SEALING OF JOINT USING BACKUP ROD AND SIKAFLEX-PRO 3WS FILLER IS NOT REQUIRED AND LET
THE WATER FLOW DOWN TO THE NULLAH UNDERNEATH.12. BUT IN CASE OF OVERHEAD BRIDGES, FOLLOWING ADDITIONAL TREATMENT IS REQUIRED FOR SEALING OF JOINT.
AFTER THE INSTALLATION AND CURING OF THE JOINT, CLEAN THE JOINT GAP WITH WIRE BRUSH AND REMOVE THE DUST WITH A BLOWER. FIX THE BACKUP ROD OF SPECIFIED DIMENSION AT A DEPTH OF 25 mm FROM THE TOP. APPLY SIKAPRIMER-3 (OR EQUIVALENT) WITH PAINT BRUSH. APPLY OIL RESISTANT RESINS SIKAFLEX-PRO 3WS (OR EQUIVALENT) IN THE UPPER 25mm CAVITY IN A CONCAVE SHAPE, OVER FILLING OF COMPOUND SHOULD BE
AVOIDED.13. INDIGENOUS EXPANSION JOINT IS NOT A PROPRIETY ITEM. IT CAN BE COPIED AND THE JOINT CAN BE MANUFACTURED AND PLACED BY ANY CONTRACTOR.14. TEMPORARY STEEL STRIPS 25x60 THICKNESS 3mm AT 500 C/C, WELDED TO TOP AND BOTTOM OF VERTICAL PLATES, HAVE BEEN ADDED TO MAINTAIN SPACING OF
VERTICAL PLATES DURING THE CONSTRUCTION OF THE JOINT, DON'T FORGET TO REMOVE TEMPORARY STEEL STRIPS WITHIN THREE DAYS OF CONCRETING OF JOINTS.15. PREFERABLY THE EXPANSION JOINT SHOULD BE MANUFACTURED IN 2m LENGTH OR LESS THAN 2m AND ASSEMBLED AT THE SITE.16. THE JOINT IS COMPOSED OF TWO STEEL PLATES WELDED TO ANCHORS IN 3 LAYERS.THESE JOINTS ARE MANUFACTURED IN SEGMENTS OF 2 METERS LENGTH AND
PREPARED IN A SHOP/FACTORY AND THEN CARRIED TO THE SITE. FOR QUALITY SAKE MANUFACTURING OF THESE JOINTS AT THE BRIDGE SITES IS PROHIBITED.
FOR NEW BRIDGESIN CASE OF NEW CONSTRUCTION, FIRST THE DECK CONCRETE WILL BE PLACED LEAVING A CAVITY FOR THE EXPANSION JOINT BY FILLING SAND IN THE CAVITY AREA. AFTER ALLTHE DECK SLABS AND APPROACH SLABS HAVE BEEN CONCRETED, THE EXPANSION JOINT WILL BE PLACED AS PER DRAWINGS AND WITH ADDITIONAL REINFORCEMENT ASSPECIFIED. ASPHALTIC SURFACING WILL BE DONE LAST.
EXPANSION JOINTS TYPE A . NORMALLY ONLY THE EXPANSION JOINT (WITHIN 350mm EITHER SIDE EXPANSION JOINT) IS REPLACED WHEN THE DECK SLAB IS IN GOOD CONDITION.
FIRST AWC THEN EXPANSION JOINTS (SPECIAL INSTRUCTION)1. IN ALL CASES THE AWC SHOULD BE PLACED FIRST LEAVING THE CAVITIES FOR THE EXPANSION JOINTS WHICH WILL BE INSTALLED LAST AFTER THE AWC HAS BEEN PLACED
AND COMPACTED PROPERLY. THE TOP LEVELS OF EXPANSION JOINTS AND CONCRETE DAMS SHOULD BE IN LEVEL WITH THE TOP OF AWC.2. AT THE END DONT FORGET TO REMOVE THE TEMPORARY STEEL STRIPS WELDED TO STEEL PLATES OF THE EXPANSION JOINTS.
A-011
04
DWG. NO.DATE
DESIGNED BY
CHECKED BY
DRAWN BY
APPROVED
RECOMMENDED
Dr. M IQBAL
ARIF RAO
SEP, 2018APPROVED
04
DATE
02
03
01
REV. DESCRIPTION
ISLAMABADNATIONAL HIGHWAY AUTHORITY
SCALEAS SHOWN
ISRAR AHMED
REDECKING OF OLD NARACANAL BRIDGE AT KM: 484-485
NBC & SBC (N-5)
NOTES:-1. CONCRETING OF EXPANSION JOINT WILL BE DONE AFTER COMPLETION OF AWC, SO
THAT THE TOP LEVEL OF CONCRETE IS IN LEVEL WITH TOP OF AWC.2. USE GRADE 60 STEEL FOR ADDITIONAL REINFORCEMENT AND CLASS "D1"
(5000psi=350kg cm ²)CONCRETE.3. IN CASE TEMPORARY STRIPS ARE WELDED TO STEEL PLATES. THEN THESE STRIPS
MUST BE REMOVED AFTER CONCRETING OF THE JOINT.4. USE OF JACK HAMMERS FOR BREAKING OF CONCRETE IS NOT ALLOWED. INSTEAD
USE HAND HELD PNEUMATIC CONCRETE BREAKERS.
50
BACKUP ROD Ø30
1520
NEOPRENE SEAL 50x25
MS PLATE 325X15 mm LENGTH 2000mm EACHSEGMENT STEEL PLATE EMBEDDED AND WELDEDTO ANCHORAGE MADE OF Ø10 REINFORCEMENT.
MS PLATE 325X15TOP OF STEEL PLATE 2x8 Ø16 TRANSVERSE
ANCHORS OF 10Ø STEEL BARWELDED TO PLATE EMBEDDED INCONCRETE.
TIES Ø12@150C/C
EXISTING REINFORCEMENT OFAPPROACH/DECK SLAB SHOULDNOT BE DAMAGED/REMOVED
50mm AWC SHOULD BECOMPLETED BEFORE PLACING OF
EXPANSION JOINTS
EXISTING REINFORCEMENTMUST BE PRESERVED
5022
5
DIAPHRAGMREINFORCEMENT
DIAPHRAGMREINFORCEMENT
(ADDITIONAL) (ADDITIONAL)
50mm AWC
END DIAPHRAGM
20 mm EXP.JOINT(TYP.)
TOP LAYER ANCHORS
MIDDLE LAYER ANCHORSBOTTOM LAYER ANCHORS
7012
5512
5512
A275
59
GIRDER GIRDER
A
END DIAPHRAGM
60x25x3mmTEMPORARYSTEEL STRIP WELDED TOPLATES
NEOPRENE SEAL 50x25 INSERTED USINGEPOXY BINDING LIQUID.
TYPE-A (NORMAL REPLACEMENT OF JOINT)THIS TYPE IS APPLIED WHERE DECK SLAB ADJACENT TO EXPANSION
JOINT IS NOT DAMAGED BEYOND 350mm ON EITHER SIDE.
350 35015
BLOCKOUT CAVITY WILL BE PREPAREDBY CHISELING/PNEUMATIC HAND HELDCONCRETE BREAKERS. JACK HAMMERSWILL NOT BE USED.
FILLET WELDED
20
400
c/c
EAC
H S
EGM
ENT
2000
mm
LO
NG
400
c/c
400
c/c
400
c/c
15mm MS PLATE
ANCHORS OF Ø10 STEEL BARS WELDEDTO PLATE EMBEDDED INCONCRETE.(PLACED IN THREE LAYERS)PREFERABLY FOR GOOD QUALITY OFWORK, WELDING SHOULD BE DONE INTHE SHOP AND NOT AT THE SITE.
15
200
90°
100
15
350350
A-012
04
DWG. NO.DATE
DESIGNED BY
CHECKED BY
DRAWN BY
APPROVED
RECOMMENDED
Dr. M IQBAL
SEP, 2018APPROVED
04
DATE
02
03
01
REV. DESCRIPTION
SCALE
AS SHOWNARIF RAO
ISRAR AHMED
REDECKING OF OLD NARACANAL BRIDGE AT KM: 484-485
NBC & SBC (N-5)
5020mm
Expn joint
EXISTING REINFORCEMENT OFAPPROACH/DECK SLAB SHOULDNOT BE DAMAGED/REMOVED
50mm AWC
EXISTING REINFORCEMENTMUST BE PRESERVED
5022
5
DIAPHRAGMREINFORCEMENT
DIAPHRAGMREINFORCEMENT
GIRDERSGIRDERS
20
35050mm AWC CAVITY FOR ADDITIONAL
REINFORCEMENT50
5022
5
GIRDERSGIRDERS
EXISTING REINFORCEMENT OFAPPROACH/DECK SLAB SHOULDNOT BE DAMAGED/REMOVED
EXISTING REINFORCEMENTMUST BE PRESERVED
DIAPHRAGMREINFORCEMENT
DIAPHRAGMREINFORCEMENT
20
TEMPORARY LEVELING STEEL JOIST (STEELTUBE 50x50mm) FOR HOLDING THE STEEL
JOINT BY BINDING WIRES DURING CONCRETING350
5022
5
STAY IN PLACE50x50 WOODENBATTENS
50
25
151520
MS PLATE 325X15 mm LENGTH 2000mm EACHSEGMENT STEEL PLATE EMBEDDED AND WELDEDTO ANCHORAGE MADE OF 12Ø REINFORCEMENT.MS PLATE 325X15
TOP OF STEEL PLATE
ANCHORS OF 10Ø STEEL BARWELDED TO PLATE EMBEDDED INCONCRETE.
EXISTING REINFORCEMENT OFAPPROACH/DECK SLAB SHOULDNOT BE DAMAGED/REMOVED
50mm AWC
EXISTING REINFORCEMENTMUST BE PRESERVED
5022
5
DIAPHRAGMREINFORCEMENT
DIAPHRAGMREINFORCEMENT
50
25
151520
NEOPRENE SEAL 20x50MS PLATE 325X15 mm LENGTH 2000mm EACHSEGMENT STEEL PLATE EMBEDDED AND WELDEDTO ANCHORAGE MADE OF 12Ø REINFORCEMENT.MS PLATE 325X15
TOP OF STEEL PLATE 2x8 Ø16
ANCHORS OF 10Ø STEEL BARWELDED TO PLATE EMBEDDED INCONCRETE.
Ø12@150C/C
EXISTING REINFORCEMENT OFAPPROACH/DECK SLAB SHOULDNOT BE DAMAGED/REMOVED
50mm AWC
EXISTING REINFORCEMENTMUST BE PRESERVED
5022
5
DIAPHRAGMREINFORCEMENT
DIAPHRAGMREINFORCEMENT
50mm AWC
5022
5
2x8 Ø16Ø12@150C/C
BONDING AGENT OLDAND NEW CONCRETE
BONDING AGENT OLDAND NEW CONCRETE
20
TEMPORARY LEVELING STEEL JOIST (STEEL TUBE50x50mm) @ 1000 c/c FOR HOLDING THE STEEL JOINT
BY BINDING WIRES DURING CONCRETING350
STAY IN PLACE50x50 WOODENBATTENS
(ADDITIONAL)(ADDITIONAL)
(ADDITIONAL)(ADDITIONAL)
2000 LONG LEVELING ROD
6
75
75
6
SECTION OFLEVELING ROD
50mm AWC
A-013
04
DWG. NO.DATE
DESIGNED BY
CHECKED BY
DRAWN BY
APPROVED
RECOMMENDED
Dr. M IQBAL
SEP, 2018APPROVED
04
DATE
02
03
01
REV. DESCRIPTION
SCALE
AS SHOWN
ARIF RAO
ISRAR AHMED
REDECKING OF OLD NARACANAL BRIDGE AT KM: 484-485
NBC & SBC (N-5)
DETAILS OF INDIGENOUS EXPANSION JOINT
TEMPORARY STEEL STRIPSAT 500 C/C (TO BE REMOVEDAFTER CONCRETING)
TEMPORARY STEELSTRIPS AT 500 C/C
A-014
04
DWG. NO.DATE
DESIGNED BY
CHECKED BY
DRAWN BY
APPROVED
RECOMMENDED
Dr. M IQBAL
SEP, 2018APPROVED
04
DATE
02
03
01
REV. DESCRIPTION
ISLAMABADNATIONAL HIGHWAY AUTHORITY
SCALE
AS SHOWN
8-Ø16 TRANSVERSE STEELADDITIONAL
NOTES:1. TEMPORARY STEEL STRIPS WILL BE REMOVED AFTER CASTING WITHIN 3 DAYS.2. ANCHOR ARE PROVIDED IN DOUBLE LAYER (TOP & BOTTOM) AND SINGLE LAYER (MIDDLE)
ALTERNATELY AND WELDED TO STEEL PLATES.
15mm MS PLATE
Ø12@150 ADDITIONALTIES
Ø10 ANCHORS
Ø10 ANCHORS
IEJ COMPLETE CONFIGURATION
IEJ ANCHORS
TOP
MIDDLE
BOTTOM
ARIF RAO
NEOPRENE SEAL
ISRAR AHMED