REPAIR AND CLEANING OF SEWAGE LINE, MANHOLES, INSPECTION CHAMBER AND CERTAIN ALLIED WORKS IN DOMESTIC AREA AT 20 WING AF STN BAGDOGRA UNDER GE (AF) BAGDOGRA

Amount

Cleaning of blocked sewage line of 150mm bore of pipe by rodding with using steel rod or split bamboo stick thoroughly from inspection chamber to manhole or from both sides between manhole to manhole or from manhole to septic tank of any depth till clear flow of sewage line is observed complete all as specified and directed.

Cleaning of blocked sewage line of 100mm bore of pipe by rodding with using steel rod or split bamboo stick thoroughly from inspection chamber to manhole or from both sides between manhole to manhole or from manhole to septic tank of any depth till clear flow of sewage line is observed complete all as specified and directed.

M&L for cleaning of blocked EWC/IWC/Urinal/Bath, WHB, Sink etc by attending the complaint of Domestic area for day to day maintenance by way of cleaning, desludging foreign materials as well as rodding of sewer line and keeping sewer in functional entering from floor trap, water closet, soil waste pipe, gully etc upto first manhole with necessary T&P complete all as specified and directed. Note:- Contractor should attend emergency complaint even after working hours including Sunday and holidays if found necessary.

Cleaning of sceptic tank/soak well, manhole etc completely (including de sludging and de watering) of solid and liquid sludge by pumping or mechanically means from inside the tank including spreading the bleaching powder stable having concentration of minimum chlorine content 65% Grade-I quality and removal of sludge materials out side MoD land complete all as specified and directed.

Cleaning of sceptic tank/soak well, manhole etc completely (including de sludging and de watering) of solid and liquid sludge by honey sucker and jet machine having sufficient capacity for effective depth upto 10 mtr including 20 HP submersible pump set with and suction hose pipes all fittings, safety equipment mobilization charges and removal of sludge materials out side MoD land complete all as specified and directed.

Excavation in trenches n.exc. 1.5 m wide and n.exc 1.5 m in depth for foundation or for taking out or laying pipe lines etc and getting out in soft/loose soil complete all as specified and directed.

All as per ser item No 6.00 above, but depth exc.1.50 mtr but n.exc. 3.00 mtr complete.

Dismantling and breaking up drain pipe (Salt glazed stone ware or concrete) of 150mm dia (Internal), set in cement mortar including taking out from trenches if required with demolition of concrete bed and removing from the site complete all as specified and directed.

All as per ser item No 8.00 above, but 100 mm dia (Internal) complete.

M&L for PCC, (1:3:6), type C-2 (using 40mm graded stone aggregates) as in concrete bed to drain pipes including packing under and haunching against the side of pipes after they are laid, jointed and tested for 150mm bore of pipe line complete all as specified and directed.

M&L for PCC, (1:3:6), type C-2 (using 40mm graded stone aggregates) as in concrete bed to drain pipes including packing under and haunching against the side of pipes after they are laid, jointed and tested for 100mm bore of pipe line complete all as specified and directed.

M&L for Salt glazed stone ware (SGSW) drain pipe, 150mm dia (Internal), grade ‘A’ laid in trenches and jointed including testing complete all as specified and directed.

All as per ser item No 12.00 above, but dia of pipe 100mm (Internal) complete.

Demolition of cement concrete (un reinforced) of any description and in any position not otherwise specifically provided for complete all as specified and directed.

M&L for plain cement concrete, (1:2:4), type B-0 (using 12.5mm graded stone aggregates) as in surface/benching of manholes including necessary form work as required complete all as specified and directed.

Dismantling of cast iron drain pipe of 100 mm bore, jointed in cement mortar including taking out from trenches/walls if required including separating serviceable pipes and setting asides for use complete all as specified and directed.

All as per ser item No 16.00 above, but 75 mm bore complete.

Supply, laying, jointing and testing 100mm bore Cast iron (sand cast) soil/waste/vent pipe (ISI Marked), any length with or with out ear, with cement joints (1:1), fixed to walls with suitable size clamps, nuts bolts etc complete all as specified and directed.

Supply, laying, jointing and testing 75mm bore Cast iron (sand cast) soil/waste/vent pipe (ISI Marked), any length with or with out ear, jointed with cement joints (1:1), fixed to walls with suitable size clamps, nuts bolts etc complete all as specified and directed.

Cutting 100 mm bore salt glazed stone ware drain pipe in position including jointing socket end of new pipe to same with pocket super yarn and cement mortar 1:1 complete all as specified and directed.

Cutting 150 mm bore salt glazed stone ware drain pipe in position including jointing socket end of new pipe to same with pocket super yarn and cement mortar 1:1 complete all as specified and directed.

S&F in repair, 100 mm bore cast iron bend with oval access door complete incl cement mortar joint 1:1 complete all as specified and directed.

S&F in repair, 75 mm bore cast iron bend with oval access door complete incl cement mortar joint 1:1 complete all as specified and directed.

S&F in repair, 100 mm bore cast iron bend complete incl cement mortar joint 1:1 complete all as specified and directed.

S&F in repair, 75 mm bore cast iron bend complete incl cement mortar joint 1:1 complete all as specified and directed.

S&F in repair, 100 mm bore cast iron branch piece single bend with oval access door complete incl cement mortar joint 1:1 complete all as specified and directed.

S&F in repair, 75mm bore branch double pieces, single (equal or unequal), ordinary or inverted (spigot or socket type) or with parallel branches complete all as specified and directed.

S&F in repair, 75mm bore cast iron branch piece single bend with oval access door complete including cement mortar joint 1:1 complete all as specified and directed.

S&F in repair, PVC (SWR) floor trap plain with grating having dia meter of out let 75mm including jointing with solvent cement to waste pipe fixed in cement concrete, (1:2:4), type B-1 complete all as specified and directed.

Demolition of brick work of any description built in cement mortar as in broken manholes/ septic tanks complete all as specified and directed.

M&L for brickwork with sub class ‘B’ bricks on plan exc 6 m mean radius built in CM 1:4 complete all as specified and directed.

M&L for brickwork with sub class ‘B’ bricks straight or curved on plan to any radius in half brick thick walls built in CM 1:4 complete all as specified and directed.

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

M&L for 15 mm thick rendering in cement mortar (1:4) mixed with water proofing compound, on fair faces of brick or concrete surfaces, finished even & fair with using extra cement as in internal surfaces of manholes complete all as specified and directed. Note: Water Proofing compound (WPC) shall be measured and paid separately as supply only.

Supply only water proofing compound complete.

M&L for rendering 15 mm thick in cement mortar (1:4) on brick or concrete surfaces on walls, finished even and fair without using extra cement complete all as specified and directed.

Demolition of Precast RCC cover slab of any description and in any position including separating serviceable reinforcement bars and setting aside for reuse complete all as specified and directed.

M&L for Precast RCC, (1:2:4), type B-1 (using 20mm graded stone aggregates) as in cover slab, set in cement mortar (1:6) complete all as specified and directed.

M&L for 6 to 8 mm dia TMT bars, cut to length, bent to shape required including cranking, hooking ends and binding with and including mild steel wire (annealed) not less than 0.90 mm dia complete all as specified and directed.

S&F in repair, white vitreous China wash down water closet pan (pedestal pattern) and trap (excluding fixing bolts, flushing cistern and flush pipe) including connection to drain (or outgoing pipe) and to flushing pipe, antisyphonage pipe etc. complete all as specified and directed.

S&F in repair, plastic water closet sheet covers white closed pattern with flat bottom, with mild steel chromium plated or aluminised hinging device complete all as specified and directed.

S&F in repair, vitreous china wash hand basin (flat back) of size 550x400mm including one number chromium plated waste fittings, 32 mm dia, brass with long screwed shanks and fly nuts, flange end bedded in red lead cement and other end fixed, with & including 32 mm dia PVC waste pipe with connector, including cutting for and pinning in ends of brackets complete all as specified and directed.

S&F in repair, vitreous china squatting pan “ORISSA” pattern size 580mm x 440mm, white with 'P' or 'S' trap front or back inlet with integral foot rest (excl flushing cistern & flush pipe) & including connection to trap & to flushing pipe anti syphonage pipe etc complete including making good to floor complete all as specified and directed.

Removing excavated materials (Soils) to a distance n.exc. 50m and depositing where directed at a level n.exc. 1.5m above the starting point complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers n.exc 25 cm complete all as specified and directed.

Dismantling floor hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises complete all as specified and directed.

M&L for non skid coloured ceramic floor tile of size exc. 0.11 but n.exc. 0.18 sqm each 7 mm thick as in floor laid over and including 15mm thick screed bed in CM 1:6, set, jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and directed.

All as per ser item No 47.00 above, but over 10mm thick rendering in CM 1:4 as in skirting complete.

M&L for glazed ceramic coloured tile in vertical surface 350 x 250 x 7mm or 450 x 300 x 7mm thick laid over and including 10mm thick rendering in cement mortar 1:4 set and jointed in neat cement slurry and pointed in white or colour cement to match the tile complete all as specified and directed.

S&F vitreous china bowl urinal flat back of size 465 x 355x 265 mm, white including grating and union for discharge pipe, including waste pipe and including fixing plugs beading urinal against wall in CM 1:2, securing urinal to plugs with brass screws 60 mm long, pointing around urinal in white cement complete all as specified and directed.

S&F in repair, 110mm bore PVC (SWR) pipe single socketed in any length with rubber ring joints fixed to walls complete all as specified and directed.

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

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

S&F in repair, 75 mm bore PVC (SWR) pipe single socketed, in any length with rubber ring joints, laid in trenches or in floors complete all as specified and directed.

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

S&F in repair, 110 mm bore PVC (SWR) bend any radius complete all as specified and directed.

S&F in repair, PVC (SWR) bend of radius 75mm bore complete all as specified and directed.

S&F in repair, PVC (SWR) junction single, (single T) equal or unequal 110mm bore complete all as specified and directed.

S&F in repair, PVC (SWR) junction single, (single T) equal or unequal 75 mm bore complete all as specified and directed.

S&F in repair, PVC white low level flushing cistern 10 ltr capacity with all fittings syphonic action type with inlet ball valve and float, handle with & including bracket and PVC flush pipe 32 mm bore complete all as specified and directed.

S&F in repair, 32mm dia flush pipe of polyethylene of low or high density for low level cistern complete all as specified and directed.

NOTES :- 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum.

BUILDERS ASSOCIATE (BID ID -3066209)

SHRI P P SHARMA (BID ID -3066447)

UNISON CONSTRUCTION (BID ID -3066566)

M/S MANAS MITRA (BID ID -3065507)

RABI BANIK (BID ID -3066484)

SREE SWAPAN KUMAR GHOSH (BID ID -3068133)

M/s Prakash Traders (BID ID -3064398)