ROUTINE, PREVENTIVE AND CORRECTIVE MAINTENANCE OF SEWAGE SYSTEM FOR TECHNICAL AREA DMSRDE 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 ventpipe 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. Note : 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 cleanign rod and ball system up to a depth of 1.50 mtr and removing of silt/cached mud/waste obtained from sewage line upto a lead of 2.50 km to 5.00 km.

All as per item No 2.00 here in before but depth of sewer exceeding 1.50meter but not exceeding 3.00 meter.

All as per item No 2.00 here in before but dia of sewage line exceeding 150mm but not exceeding 300mm dia and depth of sewage line exceeding 3.00meter but not exceeding 4.50 meter.

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 5.00 here in before but depth of manholes exceeding 1.50meter but not exceeding 3.00 meter.

All as per item No 5.00 here in before but depth exceeding 3.00meter but not exceeding 4.50 meter.

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 faulure of existing pumping system) to keep line clear complete all as specified and directed.

Cleaning of Septic tank/manhole chambers mechanically by opening the covers, removing liquid under any position including foul conditions and cleaning the inlets and outlets etc with water, placing the covers back in position and disposing off the same out side of MD land complete all as specified and as directed. Note : The liquid to be disposed off in sealed tins or sludge removal tankers and the same is deemed to include in the rate quoted.

Demolition of brick work built in cement mortar as in foul position for manhole and drain etc and removing to a distance exceeding 50 metre but not exceeding 100 metre complete all as specified and directed.

M&L for brick work with subclass ‘B’ bricks, straight or curved on plan exc 6m mean radius built in cement mortar (1:4) complete all as specified and directed.

M&L for brick work with sub class 'B' bricks straight or curved on plan to any radius in half brick thick wall built in cm 1:6 all as specified.

M&L rendering 15mm thick on wall in cement mortar 1:4 on fair faces of brick work or concrete surfaces and finished fair and even with neeru finish using extra cement complete all as specified and directed.

M&L for preparation of old surfaces of walls by brooming down or steel wire brushing, scraping down of lime scale, smoke soot, trading oil and greasy spots etc and applying one coat of colour wash on old decorated surface of wall complete all as specified and directed.

S&F 150mm bore, reinforced concrete pipes, class NP-2 laid and jointed with cement mortar (1:2) with jute, complete all as specified and directed.

S&F 200mm bore, reinforced concrete pipes, class NP-2 laid and jointed with cement mortar (1:2) with jute, complete all as specified and directed.

M&L PCC 1:4:8 type D-2 (using 40 mm graded stone aggregate) as in concrete bed to drain pipes including packing under and haunching against the sides of pipe after they are laid and tested for 150 mm dia PVC pipe complete all as specified & directed.

M&L PCC 1:4:8 type D-2 (using 40 mm graded stone aggregate) as in concrete bed to drain pipes including packing under and haunching against the sides of pipe after they are laid and tested for 200 mm dia PVC pipe complete all as specified & directed.

S&F 110mm PVC (SWR) pipes single socketed in any length with rubber ring joints laid in trenches or in floors, complete all as specified and directed.

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

M&L PCC 1:3:6 type C-2 using 40mm graded stone aggregate as in surface channels, drains, complete all as specified and directed.

Extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends etc complete all as specified and directed.

Cutting into existing manholes for connecting new drains, making good to pipe & rendering cutting out existing benching for and forming branch channel in cement concrete 1:2:4 type B-1 smooth finished and reforming benching as required for 110 mm bore drain pipe.

Demolition of reinfocement cement concrete cut as required to facilitate and paving not exc.15 cm thickness (below or above ground level) all as specified.

M&L for precast cement concrete Type B1 1:2:4 (20mm graded aggregate) as in cover slab etc. set in cement mortar (1:4) complete all as specified and directed.

M&L for mild steel TMT bars 6mm to 8mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping 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.

Demolition of cement concrete in ground floors and pavings not exc.15 cm thickness (below or above ground level) all as specified.

M&L 75 mm thick PCC 1:4:8 type D2 using 40 mm graded aggregate as in sub base complete all as specified and directed.

M&L for chequered cement concrete tiles 30cmx30cmx25mm thick, set, jointed and pointed in neat cement slurry in floors with grey cement and pigments and including screed bed or bedding layer of mortar 15mm thick for laying floor finishes in CM 1:6 complete all as specified and as directed.

M&L for Sand filling under floors or in foundations including watering and consolidation complete.

M&L for machine pressed precast concrete interlocking paver block of any shape and size conforming to IS-15658-2006 of 60mm thickness, M-35 grade with grey cement and no pigment complete all as specified and directed.

Taking down & Re-fixing machine pressed precast concrete interlocking paver block of any shape and size conforming to IS-15658-2006 of 60mm thickness, M-35 grade with grey cement and no pigment complete all as specified and directed.

M&L for cement concrete 1:2:4 type B-1 in roof kerbs or mud stops, gola, rounded or chamfered on edges, complete all as specified and directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft/loose soil.

Excavating in trenches, n exc 1.5 m wide and exceeding 1.5m but n exc 3.00 m in depth and getting out in soft/loose soil.

Excavating in trenches, n exc 1.5 m wide and exceeding 3.0 m but n exc 4.5 m in depth and getting out in soft/loose soil.

Returning filling in including spreading leveling, watering and well ramming in layers not exc 25 cm in soft/loose soil.

Removing excavated material n exc 50 m and depositing where directed at a level not exc 1.5 mtr above the starting point.

Removing building materials etc. to a distance of 2.00Km, beyond the lead included in the rates, including loading, unloading and stacking at the destination complete all as specified and directed complete all as specified and directed.

U.R ASSOCIATES (BID ID -3321580)

m/s sahu enterprises (BID ID -3321155)