REPAIR REPLACEMENT OF SEWAGE LINE SEPTIC TANK AND MANHOLES AND CLEANING OF SEWAGE LINE AT KALIMPONG MIL STN UNDER GE 867 EWS

Amount

Excavation in trenches, not execeeding 1.5m wide and not exceeding 1.5m deep for foundation, laying of pipes etc., or for shafts, wells, cesspits , manholes etc., n.exc 10 sqm on plan and n exceeding 1.5 m depth and getting out in soft/ loose soil ,complete all as specified and as directed.

Excavation in trenches, execeeding 1.5m wide and not exceeding 3.0m deep for foundation, laying of pipes etc., or for shafts, wells, cesspits , manholes etc., n.exc 10 sqm on plan and exceeding 1.5 m and not exceeding 3.0 m in depth and getting out in hard/ dense soil, complete all as specified and as directed.

M&L for Plain cement concrete (1:4:8), type D2 (using 40 mm graded crushed stone aggregate) as in foundation, filling and mass concrete, complete all as specified and as directed.

Returning, filling in soil, including spreading leveling, watering and well ramming in laying not exceeding 25 cm thick, complete all as specified and as directed.

Removing excavated soil to a distance n.exc 50 m and depositing where directed at a level n.exe 1.5 m above the starting point, complete all as specified and as directed.

Demolition and breaking up (internal dia of pipe 100/110 mm) old broken, AC, SWG soil waste and vent pipes of any bore including accessories set in cement mortar and removing rubbish from site as directed by Engineer in charge, complete all as specified and as directed.

M&L for Plain cement concrete (1:3:6), type C2 (using 40 mm graded crushed stone aggregate) to drain pipe 100/110 mm bore including packing under and hunching against the sides of pipes after they laid and tested, complete all as specified and as directed.

M&L for Plain cement concrete (1:3:6), type C2 (using 40 mm graded crushed stone aggregate) to drain pipe 150/160 mm bore including packing under and hunching against the sides of pipes after they laid and tested, complete all as specified and as directed.

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

S&F PVC (SWR) pipes 160 mm bore single socket in any length with rubber ring joints laid in trenches, complete all as specified and as directed.

Demolition of reinforced concrete of any description and in any position not otherwise specifically provided for including cutting of reinforcement as required to facilliate demolition, complete all as specified and as directed.

M & L Precast RCC (1:2:4) type B1 (using 20 mm graded crushed stone aggreagate) as in cover slabs set in CM (1:4) including all necessary form work and finishing exposed surfaces of concrete even and smooth with out using extra cement, complete all as specified and as directed.

M&L for Mild steel deformed TMT bars 10 mm dia and above as in reinforcement to concrete cut to length bent to shape required including cranking bending and binding with and including mild steel wire (annealed) not less than 0.9mm dia, complete all as specified and as directed.

M&L for Mild steel deformed TMT bars 8 mm dia as in reinforcement to concrete cut to length bent to shape required including cranking bending and binding with and including mild steel wire (annealed) not less than 0.9mm dia, complete all as specified and as directed.

Demoliton of cement concrete(unreinforced) at any position any description not otherwise specifically provided for, complete all as specified and as directed.

M & L Plain cement concrete (1:2:4) type B1 (using 20 mm graded crushed stone aggregate) as in benching of manholes including necessary formwork, weathering, slightly rounded or chamfered angles, finishing of exposed surfaces of concrete to even and smooth without using extra cement, complete all as specified and as directed.

M & L Plain cement concrete (1:3:6) type C1 (using 20 mm graded crushed stone aggregate) as in coping including necessary formwork, weathering, slightly rounded or chamfered angles, finishing of exposed surfaces of concrete to even and smooth without using extra cement, complete all as specified and as directed.

M&L for PCC (1:3:6) type C1 (using 20 mm graded crushed stone aggregate) as in surface channels, drains including all necessary form work and forming fair finished drain or channel of any girth, using extra cement, including forms, moulds, mitred/ stopped ends etc., complete all as specified and as directed.

M&L for 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 as directed.

Taking down cement plaster on brick or stone masonry surfaces of walls etc including raking out joints, hacking for key, scrubbing down with water etc, complete all as specified and as directed.

M&L for rendering 10 mm thick in cement mortar (1:4) on fair faces of brickwork or concrete surfaces, finished even and smooth without using extra cement with and including integral water proofing compound @ 2 % by weight of cement in the mortar of all per manufacturer's instructions, complete all as specified and as directed. (Note :-WPC shall be measured and paid separately).

Supply only integral water proofing compound, complete all as specified and as directed.

M&L Cutting into the existing manhole for connecting new drain making good to pipes of 110 mm dia & rendering cutting out existing benching for and forming branch channel (½ round or ¾ section ) in cement concrete (1:2:4), Type B1 smooth finished and reforming benching as required, complete all as specified and as directed.

M&L Cutting into the existing manhole for connecting new drain making good to pipes of 160 mm dia & rendering cutting out existing benching for and forming branch channel (½ round or ¾ section ) in cement concrete (1:2:4), Type B1 smooth finished and reforming benching as required, complete all as specified and as directed.

M&L for cleaning of septic tanks by dewatering/ desludging inlet chambers, removing the waste materials by mechanically (contaiminated wate and sludge/solid waste) and sludge to a distance to near by suitable distance as directed and depositing in the borrow pits as directed at site, complete all as specified and as directed. Notes:- (i) All precautions to be taken while working in foul condition. (ii) filled up portion of sluge only shall be measured. (iii) Suitable machanical equipment i.e honey sucker machine/sludge pump should be used for removing the watses from septic tank and manhole. (iv) Manual cleaning of sewers or septic tank even with protective gear and sefety device is not allowed.

Cleaning of chowked sewage lines of dia 100/110 mm by rodding manually or mechanical means and taking out sludge, rigid soil through manholes and removing same to a distance not exceeding 100 m dumped in low laying area and covering with earth and 2 cm thick lime over filled earth and sprinkling bleaching powder, complete all as specified and as directed.

Cleaning of chowked sewage lines of dia 150/160 mm by rodding manually or mechanical means and taking out sludge, rigid soil through manholes and removing same to a distance not exceeding 100 m dumped in low laying area and covering with earth and 2 cm thick lime over filled earth and sprinkling bleaching powder, complete all as specified and as directed.

Dismantling of brick work or stone/boulder masonry all quoins, arches, pillars, etc built in cement mortar, complete all as specified and as directed.

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

Demoliton of precast concrete block walling and precast concrete articles etc, built in cement mortar, complete all as specified and as directed.

M&L Precast cement concrete (1:3:6) type C-1 (using 20 mm graded crushed stone aggregate) block masonry with machine pressed sokid blocks,exc 10 cm in width setting in cement mortar (1:6), complete all as specified and as directed.

Dismantling of old PVC (SWR), AC,SWG soil waste and vent pipe dia of any bore including accessories set in cement mortar and removing rubbish from site as directed, complete all as specified and as directed.

S&F PVC (SWR) pipes 75 mm bore single socket in any length with rubber ring joints fixed to wall or laid in floors, complete all as specified and as directed.

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

S & F in repair Stack clamps out of 50 mm by 5 mm flat iron and 16mm dia round iron stays for 75/110mm bore pipe including bolts and nuts and securing ends of stays to wall or roof, complete all as specified and as directed.

S&F in repairs 75mm bore PVC (SWR) bends (any radius) for pipe fitted with access door including jointing with solvent cement, complete all as specified and as directed.

S&F in repairs 110mm bore PVC (SWR) bends (any radius) for pipe fitted with access door including jointing with solvent cement, complete all as specified and as directed.

S&F in repairs 75mm bore PVC (SWR) branch piece (single Y) for pipe fitted with access door, equal or unequal including jointing with solvent cement, complete all as specified and as directed.

S&F in repairs 110mm bore PVC (SWR) branch piece (single Y) for pipe fitted with access door, equal or unequal including jointing with solvent cement, complete all as specified and as directed.

S&F in repairs 75mm bore PVC (SWR) junction (single T) for pipe fitted with access door, equal or unequal including jointing with solvent cement, complete all as specified and as directed.

S&F in repairs 110mm bore PVC (SWR) junction (single T) for pipe fitted with access door, equal or unequal including jointing with solvent cement, complete all as specified and as directed.

S&F in repairs 75 mm bore PVC (SWR) couplers for pipe including jointing with solvent cement, complete all as specified and as directed.

S&F in repairs 110 mm bore PVC (SWR) couplers for pipe including jointing with solvent cement, complete all as specified and as directed.

S&F in repairs PVC (SWR) reducer 110x75 mm including jointing with solvent cement, complete all as specified and as directed.

S&F in repairs 75mm PVC (SWR) vent cowl, complete all as specified and as directed.

S&F in repairs 110mm PVC (SWR) vent cowl, complete all as specified and as directed.

M&L in repairs PVC (SWR) floor trap 75/110 mm dia plain with grating including jointing with solvent cement and making good disturbed portions of floor matching with adjoining surfaces, complete all as specified and as directed.

S&F in repairs water closet (squatt pattern) of vitreous china squatting pan of pattern "ORRISA" pattern size 580 x 440 mm white with integral foot rests (excluding flushing cistern and flush pipe) including connection to trap and flushing pipe anti syphonic pipe etc complete including trap set in and including necessary lean cement concrete, complete all as specified and as directed.

S&F in repairs Vitreous china wash down water closet pan (pedestal pattern) white, (excluding flushing cistern and flush pipe) but including Plastic water closet seat, black, closed pattern with flat bottom, and cover and mild steel chromium plated or aluminised hinging device, including taking down existing unserviceable/broken EWC, complete all as specified and as directed.

S&F in repairs PVC valveless,symphonic action type, flushing cistern and flushing pipe (including of brackets), 10 ltr capacity, low level, complete all as specified and as directed.

Comprehenshive maintenance and cleaning blockage of sewage system including sewage lines, manholes, soakage wells/soak-pits, gully traps, septic tanks, bloakages in EWCs/IWCs/ WHBs/sinks/traps etc by deploying necessary resources/ manpower including T&P (manually/ mechanically /vaccume/ pressure jet, rodding or pumping, etc ), complete all as specified and as directed.

S&F in repair 15 mm bore PVC connection 450 mm long with two brass chromium plated brass nuts and PVC washers, complete all as specified and as directed.

Note: In case doubling/duplicancy of BOQ items , the lowest quoted rate shall be applicable for payment.

HEM RAJ GURUNG (BID ID -3285951)

ANTHONY PRADHAN (BID ID -3285974)

SANJAY MITTAL (BID ID -3285961)

MS MAYA PRAKASH GOEL AND SONS (BID ID -3285962)