ROUTINE, PREVENTIVE AND CORRECTIVE MAINTENANCE OF SEWAGE SYSTEM FOR DOMESTIC AREA OF RAKSHA VIHAR COLONY UNDER GE I R AND D KANPUR

Amount

Cleaning of Blockage of internal drainage system of bldgs such as wc gully traps, floor trap nahani trap, soil waste and vent pipe, rain water pipe. up to 1st manhole and flushing with water and disposal of sludge obtained from cleaning of Blockage out of defence land upto a lead of 2.5 km to 5.00 km. (out of defence land) through a team of skilled safaiwala complete all as specified and directed. Note : (i) All the T& P items including Ladders and scaffolding etc is to be provided by the contractor. (ii) Supplying only chemical will be measured and paid separately. (iii) Sludge consist of waste food, waste vegitable, food and human wet night soil.

Cleaning of blockage in sewage line having dia of 100 mm to 150 mm by deplaying of skilled safaiwala by roding, sewage cleaning rod and ball system up to a depth of 1.50m and removing of silt,cached mud,waste obtained from sewage line upto a lead of 2.50 km to 5.00 km complete all as directed.

All as per item No 2.00 above but depth of sewer exceeding 1.50 m but not exceeding 3.00 m.

Preventive and routine cleaning of Manhole through systematic Programme of cleaning/removing of silt accumulation chamber /manholes through a sewer cleaning gang under supervision of competent person including taking all safety precaution. To avoid happening and removal of silt/ cached mud up to distance exceeding 2.5km but not exceeding 5.00km upto depth of manholes upto 1.50meter.

All as Per item No 4.00 here in before but depth of manholes exceeding 1.50meter but not exceeding 3.00meter. Notes for item No 2.00 to 5.00 :- All the T&P items required to be provided by the contractor without any extra cost to the govt. Minor repairs to plaster benching, rungs, bricks work, coping, covers etc. Is deemed to be included in unit rate quoted. Decision of GE (I) will be final for clarifying minor repairs. Other repairs if required will be paid for under respective items of sch. A listed below. Cost for removal of sludge outside MD land & burial in ground including cost of spreading chemicals for preventing unhygenic conditions is included in unit rate quoted.

Cleaning of sewage sump of depth nexc 6.00m and internal dia 3.00m including desating and removing excavated sludge/silt away from site exceeding 500m but n. exc. 1.5Km from working point out of MD land including burial in pit and spreading of chemicals to prevent unhygienic condition complete all as specified and directed.

Preventive and routine cleaning of sewer through a systematic programme of cleaning of sewage line of any dia through a expert Gang or hydrolic cleaning getting machine up to a depth upto 6.00 meter complete all as specified and directed.

Providing one trolley mounted sewage pump of non clogging type with self proming unit, 6.5 BHP capacity, diesel driven with discharge pipe including fuel, pump operator and pumping out of sewage/sludge effluent from sewage sump (to be used on failure of existing pumping system) to keep line clear complete all as specified and directed.

Excavation in trenches not exceeding 1.50 m wide and not exceeding 1.50 m in depth and getting out for sewage line as in soft/loose soil complete all as specified.

All as per item No. 9.00 above but exceeding 1.50 m and not exceeding 3.00 m in depth and getting out for sewage line as in soft/loose soil complete all as specified.

Demolition and breaking up of SWG drain pipes 150 mm internal dia and removing of rubbish to a distance n.exc 50 m complete all as specified.

M&L for Concrete bed for 150mm dia drain pipes laid to falls including packing under and haunching against the sides of pipe after they are laid & tested in cement concrete 1:3:6 type C-2 (using 40mm graded crushed stone agg.) complete all as specified and directed.

M&L for 150mm Reinforced concrete pipes, class NP3, laid and jointed complete with collars drain pipes laid in trenches and jointed, all as specified and directed.

Returning filling including spreading leveling watering and well ramming in layers n.exc 25 cm thick in soft/loose soil complete all as specified and directed.

Removing surplus excavated soil to a distance n.exc 50 m & depositing where directed at a level n.exc. 1.50 m above the starting point in soils complete all as specified and directed.

Demolition of brick work built in cement mortar including coping as in foul position for manhole & drain etc and removing to a distance exceeding 50m but n.exc. 100 m complete all as specified and directed.

M&L for brick work built in CM (1:4) with sub class "B" brick straight or curved exc 6m mean radius as in foul condition for manhole etc complete all as specified and directed.

M&L for Cement concrete 1:2:4 type B-1(using 20mm graded crushed stone aggregate) in benching, coping etc including weathering slightly rounded or chamfered angles including necessary form work and mixing of intergal water proofing compound @ 2% by weight of cement as per manufacture's instruction complete all as specified & directed. (WPC measured and paid separately)

Supply only integral water proofing compound.

Taking down old cement plaster from brick or concrete surfaces including raking out joints, hacking for key, scrubbing down with water etc complete all as specified and directed.

M&L for rendering 15mm thick on fair faces of brick work or concrete surfaces of walls in cement mortar (1:4) including finishing the surface even and smooth and mixing of intergal water proofing compound @ 2% by weight of cement as per manufacture's instruction complete all as specified & directed. (WPC measured and paid separately)

Demolition and breaking up drain pipe of any type and size, set in cement mortar, from walls/trenches or from any position complete all as specified and directed.

S&F 110mm PVC (SWR) pipes double socketed in any length with rubber ring joints fixed to wall complete all as specified and directed.

S&F 110mm PVC(SWR) bends any radius complete all as specified and directed.

S&F 110mm PVC (SWR), Junction single, (Single T) equal or unequal), fixed with solvent cement, with oval access door, complete all as specified and directed.

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

S&F 75mm PVC (SWR) bends any radius complete all as specified and directed.

S&F 75mm PVC (SWR), Junction single, (Single T) equal or unequal), fixed with solvent cement, with oval access door, complete all as specified and directed.

M&L 75mm dia PVC (SWR) floor trap, plain with grating including jointing with solvent cement complete all as specified and directed.

M&L 63mm dia PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls incl all fittings (i.e. Bend/ TEE/ fixing ring etc as required) and joint made with cement sand mortar if required incl taking down existing pipe of any description complete all as specified and directed by Engr-in-charge.

Demolition of reinforced work of any description and in any position not otherwise provided for etc complete all as specified & directed.

M&L for precast cement concrete 1:2:4 type B1 (using 20mm graded stone aggregate) as in manhole cover slabs set in CM 1:4 all as specified and directed.

M&L for mild steel TMT bars as in reinforcement using 10mm dia bars and over cut to length bent to shape required for hoping of column hooking for ends and spirally and bining with M.S wire (annealed) not less than 0.90mm dia all as specified and directed.

Baba Siddhnath Construction (BID ID -3363245)

M/S UNIQUE ENTERPRISES (BID ID -3354671)