SPECIAL REPAIR TO SEPTIC TANKS SEWAGE LINE AND ASSOCIATED MANHOLES NEAR NWC BUILDING AND CHILDREN PARK AT NOFRA (P-79 AND P-80) AT INS MANDOVI UNDER GE(P) NAVY MANDOVI

Excavation in trenches n exc 1.5 deep and n exc 1.5m wide in soft/ disintegrated rock for foundations etc and getting out etc complete all as specified and directed.

Returning filling in incl spreading, levelling watering and well ramming in layers nexc 25cm in soft/disintegrated rock etc complete all as specified and directed.

Removing excavated material exc 250m and nexc 500m and depositing where directed in soft disintegrated rocks etc complete all as specified and directed.

Demolition of cement concrete (un-reinforced) of any description and in any position such as in bed for drain pipe etc complete all as directed by Engineer-in-charge.

Demolition and breaking up of 100mm drain pipes (Salt glazed ware/AC/PVC) set in cement mortar etc complete all as specified and directed.

Demolition and breaking up of 150mm drain pipes (Salt glazed ware/AC/PVC) set in cement mortar etc complete all as specified and directed.

Demolition and breaking up of 200mm drain pipes (Salt glazed ware/AC/PVC/RC) set in cement mortar etc complete all as specified and directed.

Demolition and breaking up of 300mm drain pipes (Salt glazed ware/AC/PVC/RC) set in cement mortar etc complete all as specified and directed.

M&L for concrete bed to drain pipe of 100mm dia incl packing under and haunching against the sides of pipes after they are laid and tested in cement concrete type C2 (1:3:6) etc complete all as specified and directed.

M&L for concrete bed to drain pipe of 150mm dia incl packing under and haunching against the sides of pipes after they are laid and tested in cement concrete type C2 (1:3:6) etc complete all as specified and directed.

M&L for concrete bed to drain pipe of 200mm dia incl packing under and haunching against the sides of pipes after they are laid and tested in cement concrete type C2 (1:3:6) etc complete all as specified and directed.

M&L for concrete bed to drain pipe of 300mm dia incl packing under and haunching against the sides of pipes after they are laid and tested in cement concrete type C2 (1:3:6) etc complete all as specified and directed.

S&F PVC (SWR) type 'B' pipes 110 mm single socketed in any length with rubber ring joints,fixed to walls etc complete all as specified and directed.

S&F PVC (SWR) type 'B' pipes 160 mm single socketed, in any length with rubber ring joints, laid in trenches or in floors etc complete all as specified and directed.

S&F PVC (SWR) pipes 200 mm single socketed, in any length with rubber ring joints, laid in trenches or in floors etc complete all as specified and directed.

S&F 300mm dia reinforced concrete pipes, class NP3, laid and jointed complete with collars, laid in trenches or in floors etc complete all as specified and directed.

S&F PVC (SWR) pipes 75 mm single socketed in any length with rubber ring joints,fixed to floor etc complete all as specified and directed.

S& F PVC (SWR) bends any radius 110 mm bore with access door etc complete all as specified and directed.

S& F PVC (SWR) bends any radius 75 mm bore with access door etc complete all as specified and directed.

Demolition of brick work or stone / boulder masonry built in cement mortar etc complete all as specified and directed.

M&L precast cement concrete block masonry type C1 1:3:6 using 20 mm graded stone aggregate with soild blocks exc 10cm in width and set in cement mortar 1:6 complete etc complete all as specified and directed.

Taking down cement plaster of stone / PCC block / brick wall / top of chajja or concrete surface of any description including racking out joints hacking for key securing down with water etc and removal of debris to out side of INS Mandovi area including filling of open joints in cement mortar 1:6 complete etc complete all as specified and directed.

M&L, rendering 10 mm thick in cement mortar 1:6 on brick/ block masonry surface finished even and smooth without using extra cement etc complete all as specified and directed.

M & L for 15 mm thick Rendering in CM 1:3 on fair faces of brick work or concrete surfaces with liquid WPC as per manufacturer instruction complete all as specified and directed Note - WPC wiil not be measured and paid separately

Supply only integral waterproofing compound

M&L for providing cement concrete (1:2:4) type B1, using 20mm graded crushed stone aggregate in, copings, benching to manholes, water troughs and like including weathering slightly rounded or chamfered angles and throating, and including necessary form work complete all as specified and directed by Engineer-in-Charge.

M&L for providing cement concrete (1:2:4) type B1, using 20mm graded crushed stone aggregate in, surface channels and drains, and including necessary form work complete all as specified and directed by Engineer-in-Charge.

M&L for factory made pre cast cement concrete (1:2:4) Type B1, using 20mm graded crushed stone aggregates as in cover slabs of any shape, set in cement mortar 1:4 with plain faces, complete all as specified and directed by Engineer-in-Charge. Note: - Reinforcement steel shall be measured and paid separately under appropriate item of Schedule 'A'. .

S&F mild steel TMT bars 6 mm to 8 mm dia, cut to length, bent to shape required, including cranking, bending spirally for hopping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed by Engineer-in-Charge. .

RCC septic tank of 10 users designed to carry sewage and sullage water, excavation in any type of soil, PCC 1:4:8 below foundation, RCC M-30 design mix in walls, base slab, baffle walls and roof slab including beams etc with vent shaft, manhole opening with cover connection etc complete with efective depth of 1.5m and overall depth of 3 mtr etc complete all as specified and directed.

RCC septic tank of 20 users designed to carry sewage and sullage water, excavation in any type of soil, PCC 1:4:8 below foundation, RCC M-30 design mix in walls, base slab, baffle walls and roof slab including beams etc with vent shaft, manhole opening with cover connection etc complete with efective depth of 1.5m and overall depth of 3 mtr etc complete all as specified and directed.

RCC septic tank of 50 users designed to carry sewage and sullage water, excavation in any type of soil, PCC 1:4:8 below foundation, RCC M-30 design mix in walls, base slab, baffle walls and roof slab including beams etc with vent shaft, manhole opening with cover connection etc complete with efective depth of 1.5m and overall depth of 3 mtr.

Soakage wells excavation, in any type of soil, foundation in PCC1:3:6, walls of honey combed masonry with top ring of M-25 concrete including intercepting chamber and scrren chamber made of brick masonary in CM, RCC cover slab in M-25/SFRA cover, interconnecting pipes of RCC with brick bats etc complete all as specified and directed.

Taking out liquid/solid content from sump/septic tank/filter bed/soakage well and sewage lines by Sewage Sucker Tanker & cleaning thoroughly including disposal of liquid/solid content out of the Defence Land complete all as specified and directed.

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