Construction of RCC Bridge at village -Pipratand, under Block- Tisari, Dist- Giridih

Laying and Jointing PVC Pipe. Heading

A. BRIDGE PART Earthwork in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material) Mechanical means. Depth upto 3m (not requiring blasting) in ordinary soil

Ordinary Rock

P.C.C. M10 1:3:6 in foundation (Plain Cement Concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days)

P.C.C. M15 (1:2:4) grade levelling course below approach slab complete as per design and specification below Approach Slab

Plain/Reinforced Cement Concrete in open foundation complete as per drawing and technical specification. (R.C.C. Grade M 25 using batching plant,transit mixer & manual placing)

Plain/Reinforced Cement Concrete in sub structure complete as per drawing and technical specification. (R.C.C. Grade M 25 using batching plant,transit mixer & concrete pump) Height upto 5 M

Construction of railing of M 30 grade in – situ with 20 mm nominal size aggregate, true to line and grade, tolurence of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequate space between vertical post for expansion, complete as per approved drawing and technical specification.

Furnishing and placing Reinforcement/Pre stressed cement concrete in Super-Structure as per drawing and technical specification, RCC Grade M 30 Solid Slab (Height upto 5 M)

Providing and laying Cement Concrete Wearing Coat M-30 grade including reinforcement complete as per drawing and technical specification.

Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and technical specification.

Providing and fixing 20mm thick compresible fibre board in expansion complete as per drawing &Technical specification.

Drainage spout complete as per drawing and technical specification.

Providing weep holes in Brick Masonry/Plain/Reinforced Concrete Abutment, Wing Wall/Return Wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V:20H towards drawing face. Complete as per drawing and technical specification.

Supplying, fitting and placing un-coated HYSD bar reinforcement in foundation complete as per drawing and technical specification.

Supplying, fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and technical specification

Supplying, fitting and placing HYSD bar reinforcement in super-structure complete as per drawing and technical specification.

B. EMBANKMENT Construction of embankment with approved materials obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300–2) .

Compacting original ground supporting embankment (Rolling with vibratory roller)

Granular material Back filling behind abutment, wing wall and return wall complete as per drawing and technical specification.

C. Approch Road Construction of Sub Grade & Earthen Shoulder ( Construction of subgrade and earthen shoulders with approved material obtained form borrow pits with all lift & leads , transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2) with lead up to 250 m as per Technical Specification claouse 303.1

Granular Sub base with close Graded Material (Table:- 400-1) By mix in place method ( Construction of granular sub-base by providing well graded material, spreading in uniform layers with moter grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with sooth wheeel roller to achieve the desired density, complete as per clause 401) (ii) For Grading-II Material

Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with approve grade cement @ 400 kg per cum, coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mix design, transported to site, laid with a fixed form or slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler, separation membrane, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades as per drawing

GUARD WALL PART excavation for strcutures - Earthwork in excavation for structure as per drawing and technical specification in ordinary soil by mechanical means upto 3m

Sand filling in foundation trenches as per Drawing and Technical specification.

P.C.C. M10 1:3:6 in foundation (Plain Cement Concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days)

random rubble masonry work in cement mortar (1:3) for foundation complete as per drawing and technical specification.

Back filling behind abutment, wing wall and return wall complete as per drawing and technical specification. Granular material

Random Rubble masonry work in cement mortar 1:3 for sub–structure complete as per drawing and technical specification.

Providing weep holes in Brick Masonry/Plain/ Reinforced Concrete Abutment, Wing Wall/Return Wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V:20H towards drawing face. Complete as per drawing and technical specification.

P.C.C.M15 (1:2:4) in sub structure (Plain Cement Concrete 1:2:4 nominal mix in sub structure complete as per drawings and technical specifications

Carriage of Materials by truck or tractors including loading unloading & stacking at work site as per direction of E/I. :- Cement (Lead-60 Km (P)

Steel Av.Lead-60 Km (P)

Sand Av. Lead 22 Km (P)

Stone chips Av.Lead 32 Km(P)

Stone metel Av.Lead 32 Km(P)

Boulder Av.Lead 32 Km(P)

Dust Av.Lead 5 Km(P)+ 2km (K)

Add. 18% GST

Add. 1% Labour Cess