REPAIRS AND CLEANING OF SEWAGE LINE, MANHOLE, INSPECTION CHAMBER AND CERTAIN ALLIED WORKS IN DOMESTIC AREA AT 20 WING AF STN 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 manehole to septic tank of any depth till clear flow of sewage line is observed complete all as specified and as 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 manehole to septic tank of any depth till clear flow of sewage line is observed complete all as specified and as 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 forein materials as well as rodding of sewer line and keeping sewer ine 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 secptic 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 secified and as directed.

Cleaning of secptic 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 equiptment mobilization charges and removal of sludge materials out side MoD land complete all as secified and as directed.

Excavation in trenches not exc. 1.5m wide and not exc 1.5m 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 as directed.

All as per ser item No 6.00 above, but depth exc.1.50mtr but not exc. 3.00mtr complete all as specifed and as directed.

Dismantling and breaking up drain pipes (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 as directed.

All Ser item No 8.00 above, but 100 mm dia (Internal).

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 lines complete all as specified and as 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 lines complete all as specified and as 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 as directed.

All as per ser item No 12 above, but dia of pipe 100mm (Internal).

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

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 as directed.

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

All as per ser item No 16 as above, but 75 mm bore.

Supply, laying, jointing and testing 100mm bore Cast iron (sand cast) soil/waste/vent pipes(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 as directed.

Supply, laying, jointing and testing 75mm bore. Cast iron (sand cast) soil/waste/vent pipes(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 .

Cutting 100 mm bore salf 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 specifed and directed by Engr-in-charge.

Cutting 150 mm bore salf 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 specifed and directed by Engr-in-Charge.

S&F in repair 100 mm bore cast iron bend with oval access door complete incl cement mortar joint 1:1. complete all as specifed and directed by Engr-in-Charge.

S&F in repair 75 mm bore cast iron bend with oval access door complete incl cement mortar joint 1:1.complete all as specifed and directed by Engr-in-Charge.

S&F in repair 100 mm bore cast iron bend complete incl cement mortar joint 1:1.complete all as specifed and directed by Engr-in-Charge.

S&F in repair 75 mm bore cast iron bend complete incl cement mortar joint 1:1. complete all as specifed and directed by Engr-in-Charge.

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 specifed 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 specifed and directed.

S&F in repair 75mm bore cast iron branch piece single bend with oval acess door complete including cement mortar joint 1:1 complete all as specifed.

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 type B-1 (1:2:4) complete all as specified & as directed.

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

M&L for brickwork with old size fly ash bricks, straight or curved on plan exc 6 m mean radius built in CM 1:4 complete all as specified.

M&L for brickwork with old size fly ash bricks, straight or curved on plan to any radius in half brick thick walls built in CM 1:4 complete all as specifed.

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 as directed.

M&L for 10 mm thick Rendering in cement mortar (1:4) mixed with water proofing compound, on fair faces of brick or concrete surfaces, finished even & smooth with using extra cement as in internal surfaces of manholes complete all as specified and as directed.(NOTE : Water Proofing compound (WPC) shall be measured separately as supply only) complete all as specifed and directed by Engr-in-Charge.

Supply only water proofing compound complete all as specifed and directed by Engr-in-Charge.

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

S&F 6 to 8 mm dia Thermo mechanically treated (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 as 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.

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

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.

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 & as directed.

Removing excavated materials (Soils) to a distance not exc. 50m and depositing where directed at a level not exc. 1.5m above the starting point complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm complete all as specified

Dismantling floor heart or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises.

M&L for non skid coloured ceramic floor tiles of size of tile 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 specifed and directed by Engr-in-Charge.

Ditto as per item No 46 above but over 10mm thick rendering in CM 1:4 as in skirting.

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

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

S&F in repair 110 mm bore 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 in repair, for 75mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls complete all as specifed and directed.

S&F in repair 75 mm bore 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 in repair PVC (SWR) vent cowl 110mm bore complete all as specifed and directed.

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

S&F in repair PVC (SWR) Bend radius any radius 75mm bore complete all as specifed and directed.

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

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

S&F in repairs 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.

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

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

M/S Banerjee construction co

HALDER ENTERPRISERS

BUILDERS ASSOCIATE

M/S BENGAL ENGINEERING ENTERPRISES

RABI BANIK

M/S MANAS MITRA