36M Span steel girder bridge at Km 4.10 of Aamsaur to Jamargaddi L026

Amount

BRIDGE PORTION:

foundation:

Earth work in excavation of foundation of structures as per the Drawings, Specifications enclosed with the tender document Ministry of Shipping, Road Transport & Highways (MoRT&H) Specifications for Bridge Works.

(A) First abutment (height = 4m)

(B) Second abutment (height = 8m)

Providing and laying M15 Grade PCC using 43/53 grade Ordinary Portland Cement, 20mm & down stone aggregate and approved quality sand below open foundations as per the Drawings, Specifications enclosed with the tender document and MoRT&H Specifications for Bridge Works.

(A) First abutment (height = 4m)

(B) Second abutment (height = 8m)

Approach slabs

Providing and placing M30 grade cement concrete (RCC) for the construction of abutments, abutments caps, return walls, dirt walls, wing walls, bearing pedestals, reaction block etc. using 43/53 grade Ordinary Portland Cement, 20mm & down stone aggregate and approved quality sand as per the Drawings, Specifications enclosed with the tender document and MoRT&H Specifications for Bridge Works.

(A) First abutment (height = 4m)

(B) Second abutment (height = 8m)

SUB-STRUCTURE

Providing and placing M30 grade cement concrete (RCC) for the construction of abutments, abutments caps, return walls, dirt walls, wing walls, bearing pedestals, reaction block etc. using 43/53 grade Ordinary Portland Cement, 20mm & down stone aggregate and approved quality sand as per the Drawings, Specifications enclosed with the tender document and MoRT&H Specifications for Bridge Works.

(A) First abutment (height = 4m)

(B) Second abutment (height = 8m)

Providing, testing and installation of POT/POT-CUM-PTEE bearings of specified capacity (vertical load upto 170t & horizontal load upto 45t) as per the Drawings, Specifications enclosed with the tender document and MoRT&H Specifications for Bridge Works.

Providing weep holes in abutment walls, return walls, wing walls etc. with 100mm dia AC pipe, extending through the full width of the structure with slope of 1V:20H towards draining face as per the Drawings, Specifications enclosed with the tender document and MoRT&H Specifications for Bridge Works.

(A) First abutment (height = 4m)

(B) Second abutment (height = 8m)

Providing and laying of filter Media with granular materials/stone crushed aggregates satisfying the requirements of MoRT&H specifications for road and bridge works to a thickness of not less than 600mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutments, return walls etc, to the full height compacted to afrm condition complete as per the Drawings and Specifications.

(A) First abutment (height = 4m)

(B) Second abutment (height = 8m)

(A) First abutment (height = 4m)

(B) Second abutment (height = 8m)

SUPER STRUCTURE

FABRICATION OF TRUSS : providing, shop drawings assembling & ground erection, testing transporting (from work shop to work site ) and storing grade B structure steel (rolled section and built up section using steel plates & rolled section conforming to IS:2062 with yield strength of 250MPa i.e. Fe250) in steel truss (including top and bottom chord, vertical/diagonal members, stiffeners, gusset/cover plates etc.) plan bracing cross girders/diaphragms, shear connectors etc. supporting RCC deck slab as per the Drawings, Specifications enclosed with the tender document and MoRT&H Specifications for Road and Bridge Works and IRC : 24 specifications.

ERECTION OF TRUSS : Erecting and placing/fixing grade B structure steel (rolled section and built up section using steel plates & rolled section conforming to IS:2062 with yield strength of 250MPa i.e. Fe250) in steel truss (including top and bottom chord, vertical/diagonal members, stiffeners, gusset/cover plates etc.) plan bracing cross girders/diaphragms, shear connectors etc. supporting RCC deck slab as per the Drawings, Specifications enclosed with the tender document and MoRT&H Specifications for Road and Bridge Works and IRC : 24 specifications.

providing, testing and tightening of high strength friction grip bolts of class/grade 10.9 as per IS 4000 using automatic calibrated torque wrench/pneumatic wrench at all locations of splicing and at all heughts, wherever specified as per drawings and their compatible nuts and washers all complete required to IS:1367, IS:3757 , IS:6610, IS:6623, IS: 6649 and IS: 4000 shall be used. Item to include all labour, materials, tools, equipment, safety measures and incidentals necessary to complete the work to Specifications.

providing, testing and tightening of high strength bolts of class/grade 10.9 as per IS 4000 using automatic calibrated torque wrench/pneumatic wrench at all locations of splicing and at all heughts, wherever specified as per drawings and their compatible nuts and washers all complete required to execute the job. all HTS bolts and nuts conforming to IS:1367, IS:3757 , IS:6610, IS:6623, IS: 6649 and IS: 4000 shall be used. Item to include all labour, materials, tools, equipment, safety measures and incidentals necessary to complete the work to Specifications.

Providing and placing M30 grade cement concrete (RCC) in cast-in-situ deck slab using 43/53 grade Ordinary Portland Cement, 20mm & down stone aggregate and approved quality as per the Drawings, Specifications enclosed with the tender document and MoRT&H Specifications for Road and Bridge Works.

Providing and placing M30 grade cement concrete (RCC) in cast-in-situ crash barrier over deck slab using 43/53 grade Ordinary Portland Cement, 20mm & down stone aggregate and approved quality as per the Drawings, Specifications enclosed with the tender document and MoRT&H Specifications for Road and Bridge Works.

Providing and fixing hand rail over the crash barrier consisting of MS base plates, embedded fastener and nuts, MS vertical plates and pipes, prepackaged early high strength non shrink grouts etc. as per the Drawings, Specifications enclosed with the tender document and MoRT&H Specifications for Road and Bridge Works.

REINFORCEMENT:

Providing and placing in position TMT (Fe 500 Grade) reinforcement bars in various structural elements of the bridge including cutting, straightening, bending, fabricating, storing, binding with mild steel annealed binding wire of 18 SWG, fixing in position complete as per the Drawings, Specifications enclosed with the tender document and MoRT&H Specifications for Road and Bridge Works.

(A) First abutment (height = 4m) FOUNDATION

(B) Second abutment (height = 8m) FOUNDATION

(D) First abutment (height = 4m)

(E) Second abutment (height = 8m)

(G) Deck slab & crash barrier

APPROACH SLABS, EXPANSION JOINTS, DRAINAGE SPOUTS, WEARING COAT & CONFIRMATORY BORING:

Providing and placing in position M30 grade cement concrete (RCC) in cast-in-situ approach slab using 43/53 grade Ordinary Portland Cement, 20mm & down stone aggregate and approved quality as per the Drawings, Specifications enclosed with the tender document and MoRT&H Specifications for Road and Bridge Works.

Providing and installing single strip seal expansion joint with a total allowable movement capacity of 70mm per the Drawings, Specifications enclosed with the tender document and MoRT&H Specifications for Road and Bridge Works and IRC : SP: 69 guidelines & specifications for expension joints.

Providing and fixing drainage spouts as per the Drawings, Specifications enclosed with the tender document and MoRT&H Specifications for Road and Bridge Works.

cleaning and preparing surface and providing and applying the teck coat as per MoRT&H Specifications for Road and Bridge Works.

Providing and laying 40mm thick bituminous concrete wearing coat with 100-120 TPH batch type hot mix plant producing an average output of 75 tonne per hour using crushed aggregates of specified grading , premixed with biitiminous binder @ 5.4 to 5.6 percent of mic and filler , transpoting the hot mix to work site , lying with hydrostatic paver finisher with sendor control to the required grade, level and alignment , rolling and smooth wheeled vibratory and tabdem rollers to achieve the desired compaction as per MoRT&H Specifications for Road and Bridge Works.

Providing and laying 25mm mastic asphalt wearing course with paving grade bitumen meeting the requirements given in table 500-29, prepared by using mastic cooker and laid to required level and slope after cleaning surface , including providing antiskid surface with bitumen precoated fine grained hard stone chipping of 13.2 mm nomonal size at the rate of 0.005 cum per 10sqm and at an approx. spacing of 10cm centre to centre to both direction, pressed into surface when the temp. of the surface is not less than 100 degree c , protruding 1mm to 4mm over mastic surface all complete as per MoRT&H Specifications for Road and Bridge Works.

carrying out cofirmatory boring at site at both the foundation location , testing soil/rock samples and provide sub surface investigation report as per IRC/BIS codal provisions

preparation of shop drawings, erection plan etc of truss from approved consultant

Approach road

Earth work in excavation of PCC retainig walls as per the Drawings, Specifications enclosed with the tender document Ministry of Shipping, Road Transport & Highways (MoRT&H) Specifications for Bridge Works.

Providing and laying M15 grade PCC using 43/53 grade Ordinary Portland Cement, below and inside retaining walls as per the Drawings, Specifications enclosed with the tender document and MoRT&H Specifications for Road and Bridge Works.

providing weep holes in retainig walls with 100mm dia AC pipe as per the Drawings, Specifications enclosed with the tender document Ministry of Shipping, Road Transport & Highways (MoRT&H) Specifications for Bridge Works.

Providing and laying filter media behind retaining wall with Granular materials/stone, crushed aggregates as per the drawing, Specification enclosed with the tender document and Ministry of Road Transport & Highways MORTH/Indian Road Congress (IRC) Specifications for bridge work

Providing, placing and compacting approved fill material in the embankment/approaches as per the Specifications enclosed with the tender document and minsitry of Road Transport & Highways Specification fpor Road and Bridge work.

Providing, laying and spreading and compacting graded sand, stone aggregate or any other coarse material as per Ministry of Road Transport & Highway in 150mm thick lower Granular sub-base

Providing, laying and spreading and compacting graded sand, stone aggregate or any other coarse material as per Ministry of Road Transport & Highway in 100mm thick upper Granular sub-base

Providing, laying and spreading and compacting 75mm thick water bound macadam over GSB as per Ministry of Road transport and Highways. Average length of approach roads on either side of bridge is taken as 25m

Providing and applying the Prime Coat as per Ministry of road Transport and Highways. Avg length of approach roads on either side of bridge is taken as 25m

Cleaning and preparing surface and providing and applying the teck coat with bitumen emulsion using pressure distributor at the rate of 0.20 kg/sqm. Average length of approach roads on either side of bridge is taken as 25m

Providing laying and rolling of open graded premix surfacing of 20mm thickness composed of 13.2mm to 5.6mm aggregates using emulsion to required line, grade and level to serve as wearing cource on a previously prepared base, including mixing in a suitable plant.

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and crposs fall using Type B seal coats as per the ministry of road transport & Highways. Avg length of approach roads on either side of bridge is taken as 25m.

PROTECTION WORK

Providing and laying of apron with cement concrete blocks of size 0.5*0.5*0.5 m cast-in-situ and made with nominal mix of M-15 grade cement concrete with a minimum cement content of 250kg/cum as per IRC:112 Average size is taken as 10m*5m*1m.

Five Year Maintenance Work

Protection of scuring of Abutment and wing wall with cement plum masonry with 40% plum & 60% 1:3:7 cement concrete including supply of all materials,labour,T&P royality etc required for proper comlpetion of the work as per direction of Engineer in charge. (As per PWD Uttarakhand specifications)

III rd year

V th year

Greasing of Bearings including supply of all materials,labour,T&P royality etc required for proper comlpetion of the work as per direction of Engineer in charge.

IInd year

IVth year =2*5.50

Painting of bridge with 2 coat of ready mix enamal paint including supply of all materials,labour,T&P royality etc required for proper comlpetion of the work as per direction of Engineer in charge.

III rd year

White washing of parapet walls of CD work and tree truncks including preparation of surface by cleaning scrapping etc. as per MORD Specification for Rural Roads 2014

Ist year

IInd year

III rd year

IV th year

K M Engineering and Construction