Name of work:- Repair and maintenane of existing sump at BOP Bashir of 137 Bn BSF under SHQ BSF Gandhinagar
Sl. No.
Item Description
1
Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m .All kinds of soil.
2
Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15 degree landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).
3
Steelreinforcement forR.C.C.workincludingstraightening,cutting, bending, placing in position and binding all complete upto plinth level.Thermo-Mechanically Treatedbars of gradeFe-500D or more.
4
Cement plaster 1:3(1 cement: 3 coarse sand) finished with a floating coat of neat cement. 12 mm cement plaster
5
Pebble dash plaster upto 10 m height above ground level with a mixture of washed pebble or crushed stone 6 mm to 12.5 mm nominal size, dashed over and including fresh plaster in two layers under layer 12 mm cement plaster 1:4 (1 cement : 4 coarse sand) and top layer 10 mm cement plaster with cement mortar 1:3 (1 cement : 3 fine sand) mixed with 10% finely grounded hydrated lime by volume of cement.
6
Hacking of CC flooring including cleaning for surface etc. complete as per direction of the Engineer-in-Charge.
7
Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust freesteel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.Bars upto 12 mm diameter
8
Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as perspecifications and direction of Engineer- In-charge complete in all respect. SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer
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