Reconstruction of the precast mini-bridge located near Lokpriya Hospital in Ward 59.

(A) CULVERT WORK (i) Foundation Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material.

Fillling in foundation trenches as per drawing and technical specification Clause 305.3.9 - Sand filling

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 - P.C.C grade M 10

Providing, transporting, hoisting and fixing above plinth level up to floor five level precast reinforced cement concrete in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; including the cost of centering, shuttering, finishing but excluding reinforcement as per direction of the engineer-in-charge, for the following grades of concrete: Concrete of M30 grade with minimum cement content of 350 kg /cum.("The quoted rates are inclusive of the cost of detailed design, structural drawings, and proof checking by a reputed/recognized institution.") Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement.

Supplying, fitting and placing HYSD bar reinforcement in foundation complete as per drawings and technical specifications Clauses 1000 and 1202 ("The quoted rates are inclusive of the cost of detailed design, structural drawings, and proof checking by a reputed/recognized institution.")

(ii) Sub Structure Providing, transporting, hoisting and fixing above plinth level up to floor five level precast reinforced cement concrete in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; including the cost of centering, shuttering, finishing but excluding reinforcement as per direction of the engineer-in-charge, for the following grades of concrete: Concrete of M30 grade with minimum cement content of 350 kg /cum.("The quoted rates are inclusive of the cost of detailed design, structural drawings, and proof checking by a reputed/recognized institution.") Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. - For height upto 5 m -

Supplying, fitting and placing HYSD bar reinforcement (Fe 415) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202("The quoted rates are inclusive of the cost of detailed design, structural drawings, and proof checking by a reputed/recognized institution.")

Providing weepholes in brick masonry/stone masonry, plain/reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and technical specification Clauses 614, 709, 1204.3.7

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8

Providing and laying filter media with granular crushed aggregates as per specification to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and providing over the entire surface behind abutment, wing wall, return wall to the full height, compacted to firm condition complete as per drawing and technical specification Clause 1204.3.8