REPAIRS TO SEWAGE LINE, SEPTIC TANK, SOAKAGE PITS, MANHOLE, DRAINAGE, REPAIR OF FENCING AND GATE AT 46 WEU AND 273 SU UNDER GE AF BAGDOGRA

Amount

Cleaning of septic tank/soak well/manhole (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 -1 quality and removal of sluge to a distance not exc 250 mtr and depositing into excavated pit of appropriate size as dircted and filled up with earth in each layer of 30 cm thick all complete as specified and as directed

Cleaning of blocked sewage line of 150 mm 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 as directed.

All as per ser item No. 2.00 above but 100mm bore

All as per ser item No. 2.00 above but 200mm bore Note for ser No. 2.00, 2.01 & 2.02 : (i) The rates quoted in the above item includes cost of T&P like rods, bamboos etc complete. (ii) The lines or manhole measured once can not measured again within 3 months. If blocks in the same lines or manhole re-occur within 3 months the contractor will clean again & nothing will be paid extra for this (iii) Minimum 2 persons shall be deployed by contractor and they shall be present on all working days from 0900 hrs to 1700 hrs for maintenance of sewage lines. The persons will be detailed by JE/AE concerned every morning for attending complaints on daily basis. (iv) The complaint has to be rectified within defined time as given in complaint slip failing which penalty will be imposed @ 500/- per complaint per day.

Demolition of PCC in ground floor and paving n.exc 15 cm thick (below or above ground level) etc all as specified and directed by Engineer-in-Charge.

Demolition of brickwork/stone masnory built in cm including all quoins ,arches ,pillars,etc,but excluding ashlar facings ,dressed stonework and precast concrete articles 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 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.

Excavation in trenches n.exc 1.5m width and n.exc 1.5 m depth and getting out in hard/dense soil.

Returning and filling in with soil obtained from excvation in laying n exc 25cm thick including watering ramming etc.

Removal of excavated spoil of soil to a distance 50mtr and depositing where directed at a level n exc 1.50m above the starting point as directed.

Taking out saturated broken stone/brick bats etc from soak well and removing to a distance upto 50mtr and depositing in low lying area all complete as specified and as directed.

M&L for loose filling with aggregates of broken stones or boulders of gauge 80 to 150 mm in soakage pits, soakage wells taking out saturated broken stones/brick bats etc soak well and removing to a distance upto 50mtr and dumped in pit all complete as specified and as directed

M&L for PCC type D-2 1:4:8 (using 40mm graded aggregate) as in foundation filling and mass concrete all as specified and directed.

M&L for brick work with fly ash bricks old size brick straight or curved on plan to exc 6m mean radius built in CM 1:6 without using extra cement.

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

All as per ser item No. 14.00 above 100mm bore.

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 the 150mm bore of pipe lines complete all as specified and as directed :-

All as per ser item No. 16.00 above 100mm bore.

M&L for Salt glazed stone ware(SGSW) drain pipe, (internal) in trenches and jointed including testing complete all as specified of 150mm dia

All as per ser item No. 18.00 above but 100mm dia.

Dismantling of cast iron drain pipes of 100 mm bore, jointed in cement morter including taking out from trenches if required including seperating serviceable pipe for reuse complete all as specified and as directed.

All as per ser item No. 20.00 above but for 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 (Make : BIC/NICCO/ICC or other equivalent make with ISI marked).

All as per ser item No. 22.00 above, but fixing only old serviceable pipes obtained from ser item No 2 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 and as directed (Make : BIC/NICCO/ICC or other equivalent make with ISI marked).

All as per ser item No 24.00 above above, but fixing only old serviceable pipes obtained from ser item No. 2.00 above after cleaning of pipe lines all complete as specified and as directed.

Cutting 100 mm bore self 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 self 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 by Engr-in-Charge.

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 by Engr-in-Charge.

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

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

S & F in repair cast iron floor trap 75 mm dia out let including jointing to waste pipe fixed in cement concrete 1:2:4 complete all as specifed and directed by Engr-in-Charge.

Cast iron floor trap 100mm outlet dia with grating including joints to waste pipe fixed in cement concrete type B1 1:2:4 using 20mm graded crushed stone aggregate

M&L 15mm thick rendering on fair faces of brick work or concrete surface built in cement mortar 1:4 surface finished fair and even with out using extra cement.

M&L 10mm thick rendering on other than fair faces of brick work or concrete surface built in cement mortar 1:6 surface finished even and smooth.

M&L for pre-cast cement concrete (1:2:4) type B-1 using 20mm graded stone aggregates as in cover slabs for manholes or RCC Slab, set in cement mortar (1:4) including necessary form work complete all as specified and as directed.

S & F Mild steel Thermo Mechanically Treated (TMT) bars, 10mm dia and over, cut to length, bent to shape as required, including cranking, hooking ends and binding with and including mild steel wire (annealed) not less than 0.90mm dia or securing with clips complete all as specified and as directed

S&F in repair cast iron grating of size 200x200x6mm as in gully trap complete all as specified and as directed

S&F in repair Cast iron cowls 100mm dia jointed in cm (1:1) complete all as specified and as directed

All as per ser item no 39.00 above but 75mm dia

S&F in repair vitreous china squatting pan ‘Orissa pattern’ size 580x440mm white with integral foot rest including connection to 100mm bore 'P' or 'S' trap, and flushing pipe, anti-syphonage pipe, etc and including lime concrete bedding complete all as specified and directed.

S&F in repair low level PVC valveless syphonic action type, flushing cistern 10 litres capacity light coloured with inlet ball valve float and handle including PVC fixtures, flush pipe etc complete all as specified and as directed.

S&F in repair vitreous china Wash hand basin, white , flat back size 550x400 mm excel tabs but incl brackets, 32mm bore waste coupling complete all as specifed and directed by Engr-in-Charge.

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

S & F non skid coloured ceramic tiles 7-8mm thick (square or rectangular) area of each tiles exc 0.06 Sqm but n.exc 0.11 Sqm in floors set jointed in neat cement slurry and pointed in white or coloured cement to match over 15 mm thick screed bed in cement mortor 1:6 complete all as specified and directed. (Make : JOHNSON / SOMANY / KAJARIA or equivalent)

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

S & F glazed ceramic coloured tiles (300x200x7 mm ) thick set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour of tiles in vertical surfaces such as skirting dados etc including over 10 mm thick cement plaster in CM 1:4 all as specified and directed.

Dismantling of Posts or struts (wood,steel,or R.C.C) of any section,including taking out embedded portion and making good disturbed ground.

Dismantling of fencing wire mesh/concertina coil of any description.

Excavating in post holes (or similar holes) each n exc 0.5 cu. m, getting out, returning,filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm .

M&L for Preparation of old painted steel or iron surfaces as of any description over 10 cm in width or girth not otherwise described and applying one coat of synthetic enamel paint over complete all as specified and as directed.

Fix in repairs chain link fencing mild steel galvanised fencing of 75x75 size or type incl line wires any mesh ,size and type to any type standards rails straining bolts etc incl provision of binding wire all as specified of any description exc 10cm width or girth and applying one coat of synthetic enamel paint all as specified.

S&F Galvanised 2 strand, steel barbed wire 2.24 mm ida barbed with 2 mm dia barbs at 75mm spacing and straining and fixing to any type of standard rails straining bolts, including securing or typing at crossings with and provision of galvanised mil steel wire, staples or steel pints, etc as directed (each line wire to be measured).

Demolition of cement concrete of any discription and in any position.

M&L for 15 mm thick on rendering on fair faces of bricks works or concrete surfaces in CM 1:4 finished even & smooth (without using extra cement) .

Supply only integral water proofing compound.

M&L for PCC type C-2 ,1:3:6 (using 40mm graded aggregate) as in surface channels or drains(includingsausa drain) etc all as specified and directed.

M&L Extra for forming fair finished drain/ channel 30cm inner girth using extra cement including forms moulds/mitered/stopped end.

M & L Brickwork with subclass‘B’ straight or curved on plan exc 6m mean radius, built in1:6.

M&L for Brickwork with subclass‘B’ straight or curved on plan in half brick walls built in 1:4 cement mortar.

De silting / cleaning completely solid silts/soils from drain manually and removal of silt/soil to a distance not exc. 250 metre and depositing into excavated pit of appropriate size as directed and filled up with earth in each layer of 30 cm thick all complete as specified and as directed.).

Demolition Brickwork or stone /boulder masonry,built in cement mortar ,precast articles and ,precast block.

Demolition and breaking up drain pipes for 300mm (salt glazed ware,AC OR reinforcement )set in cement mortar all as specified and directed.

S&F Reinforcement cement pipes of 300 mm internal dia. Class NP2 laid and joined complete with collars all as specified and directed.

Supply and fixed in repairs vitreous china wash down water closet pan (pedestal pattern), floor mounted white with all fittings including fixing bolts, but excluding flushing cistern and flush pipe with and including plastic water closet seat, white closet pattern with flat bottom and cover and mild steel /CP/ aluminium/ hinging device complete with including 'P' or 'S' trap complete all as specified 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. 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.

Unison Constraction

M/S MANAS MITRA

SREE SWAPAN KUMAR GHOSH

RABI BANIK

M/s Prakash Traders

SHRI P P SHARMA

SUNIL DAS AND CO