REPAIRS TO SEWAGE LINE, MANHOLE, INSPECTION CHAMBER, DRAIN, CLEANING OF SEWAGE LINE, SOAK WELL, SEPTIC TANK AND ALLIED WORKS IN DOMESTIC AREAS AT 20 WING AF STN UNDER GE AF BAGDOGRA

Amount

Cleaning of blocked sewage line of 150mm bore of pipe by rodding 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 as directed.

Cleaning of blocked sewage line of 100mm bore of pipe by rodding 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 as directed.

Cleaning of blocked EWC/IWC/Urinal/Bath, WHB, Sink etc by way of cleaning, desludging forein 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 to a distance not exc 250 m and depositing into excavated pit of appropriate size as directed and filled up with earth in each layer of 30 cm thick complete all as specified and directed. Note: The quantity of solid sludge shall only be measured and paid. The cost of pumping liquid sludge etc shall deemed to be included in the quoted rate.

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. (Manual excavation)

All as per ser item No 5 above but depth exc.1.50mtr but not exc.3.00mtr. (Manual excavation)

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 7 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 11 here-in-before but dia of pipe 100mm (Internal).

Demolition of cement concrete (un reinforced) of any description and in any position not otherwise specifically provided for.

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 15 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.

All as per item No. 17 above, but fixing only old serviceable pipes obtained from ser item No 15 here-in-before after cleaning of pipe lines and fixed to walls 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 .

All as per ser item No 19 above, but fixing only old serviceable pipes obtained from ser item No 16 here-in-before after cleaning of pipe lines all complete as specified .

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 by Engr-in-charge.

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 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 specified 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 specified 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 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.

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

S & F in repair 75mm dia cast iron floor trap with grating including jointing to waste pipe fixed in cement concrete 1:2:4 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 old size fly ash bricks, straight or curved on plan exc 6 m mean radius built in CM 1:4 complete as as specified and as directed.

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.

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 15 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 complete all as specified and directed. (NOTE : Water Proofing compound (WPC) shall be measured separately as supply only)

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

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 die complete all as specified and as directed.

S & F in repair white vitreous china squatting pan "Orissa pattern" long pan of size 580 x 440 mm with and including 100mm bore 'P' or 'S' trap and integral foot rest and PCC 1:5:10 type E-2 all as specified and as directed.

S&F in repair vitreous china Wash hand basin, white , flat back size 550x400 mm except tabs but incl brackets and 32mm bore Cp waste coupling all as specified.

S & F in repair white vitreous china wash down water closet pan (Pedestal pattern) incl 100mm dia 'P' or 'S' trap but excluding flucing cistern and flush pipe.

S&F Salt glazed stone ware (SGSW) gully trap ‘P’ type, 150x150mm size complete all as specified and 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), and rubbish to 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.

All as per item No 49 above but over 10mm thick rendering in CM 1:4 as in skirting.

M & L for colour glazed ceramic wall tiles of size 300 x 200 x 7 mm thick on vertical surfaces laid over and including for rendering 10mm thick in CM (1:4) on vertical surface of wall.cement screed bet set and jointed in neat cement slurry and pointed in white or coloured cement to match all as specified.

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

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

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

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

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

S&F in repairs 10 ltr capacity PVC valveless symphonic action flucing cistern low level with inlet ball valve, float and handle incl brackets, all as specified.

S & F in repair 500 ltr capacity rotational water storage tank (cyldrical vertical with closed top) hoisted and fixed in position incl dismantling old storage tank and removing to store, all as specified and as directed.

S&F 20mm bore ball valves with high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe and fixed (Minimum weight - 210 gm)

S & F in repair 15mm bore bib tape standard of PTMT any colour high pressure screwed for iron pipe and fixed ( Minimum wt 15mm 90 gms)

NOTES :- 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum. 2. Unless otherwise specified the rates for PCC shall deemed to include the cost of formwork shuttering etc., required for complete and proper execution of the work. Refer Schedule A notes for details.

M/s Prakash Traders

SHRI P P SHARMA

HALDER ENTERPRISERS

SREE SWAPAN KUMAR GHOSH

RABI BANIK

M/S MANAS MITRA

UNISON CONSTRUCTION