REPAIRS AND CLEANING OF SEWAGE LINES, MANHOLES, SEPTIC TANKS AND VEGETATION OF BUILDINGS ETC AT DOMESTIC AREA AT BARRACKPORE UNDER GE(AF) BARRACKPORE

Amount

Material and labour for cleaning and de-sludging of existing septic tank / grease traps completely of solid /liquid sludge by pumping or any mechanical means from inside the septic tank and depositing the sludge in excavated pits (required size and depth) to a distance not exc 50 mtr. Top layers of excavated pit shall be covered by layers of 150 mm deep earth spreading with sprinkling of bleaching powder @ 200 gms per sqm for disinfection purpose complete all as specified and directed. Note:- (i) After dewatering, sludge will be measured and paid accordingly. (ii) The rate of excavation of earth pits of required size including supply of bleaching powder is deemed to be included in the quoted rate.

Material and labour for systematically cleaning and de-silting / de-sludgeing of blocked sewage pipe line 150 mm dia and any depth including taking out sludge / silt and other foreign materials from manhole and gully traps of any size and depth by rodding with using steel rod or split bamboo sticks throughly from both sides between adjacent manholes still clearing flow of sewage line is observed, passing knots kamto and disc of required size or pumping out liquid waste / sewage, plugging and diverting the flow to the drain if necessary and stacking the removed silt / slugde in deposits as directed including taking precuationary measures such as safety belts, dry cell torch for lighting inside the manoles and drain etc, sprinkling bleaching power on the silt / sludge removed to avoid bad smell and disposal of silt in excavated pit including spreading of bleaching powder complete all as specified and directed. NOTE - Quoted rate deemed to be inclusive of excavation of earth pits and bleaching powder required for disposal of silt / sludge.

All as per item No 2 above but for 100 mm dia of pipe and any depth and -ditto-.

Material and labour for cleaning of choked WC / bath room trap and kitchen trap upto first manhole of any type and size as and when complaints occurred with using hand pressure or vacume pressure etc. complete all as specified and directed. Note:- (i) Each Job shall consists of 3 (three) No complaints out of which 02(two) Nos major and 01 (one) Nos minor. (ii) The Contractor shall be responsible for attending complaint within 24 (Twenty four) hours of receipt of instruction from the Engr-in-Charge failing which 50% deduction shall be made from his quoted rate. (iii) The Contractor shall be responsible to maintain daily Job card completed by the 02 Nos Safaiwala deployed by him and obtain signature of IC complaint cell/ Engr-in-Charge daily at 1700hrs on all working days.

Material and labour for cleaning and removing all scale and dirt etc.by mechanical means (i.e stage-1 - mechanized de-watering, stage-2 -mechanized sludge removal, stage-3 - high pressure cleaning by pressure jet, stage-4 -scrubbing by mini hand scrubber machine, stage-5 - high pressure cleaning by pressure jet, stage-6 - vacuuming by industrial vacuum cleaner, stage-7 - Anti bacterial spray (hydrogen peroxide), stage-8 - UV-Ray treatment. from tanks and from mouths of circulating pipes etc capacity exc. 250.00 litre and not exc. 500.00 litre complete all as specified and directed. Note:- (i) Any damage occured to the tank during the process of cleaning the tank shall be replaced with new tank by the contractor without any extra cost. (ii) The quoted rate shall include for guarantee of a period of One year from the certified date of cleaning. (iii) All debris and waste material obtained during cleaning of tank shall be disposed at a location decided by Engineer -in- Charge distance exc 0.5 Km but not exc 1.5 km without any extra cost. (iv) The quoted rate shall be also included obtaining signature of user in register duly authenticated by Engineer -in- Charge.

All as per item No 5.00 above but capacity exc. 500.00 litre and not exc. 1000.00 litre and -ditto-.

Material and labour for cutting down vegetation growths like plants / trees of girth n exc 15cm from roof tops / sides, external walls of bldgs, chajjas, wall juctions at junction of rain water / waste water pipe junctions including removal of roots and taking out carefully possible quality of concrete in roofs embedded in walls / slab surfaces making good affected locations and applying approved chemical (herbal medcine) to arrest further growth and making good the distrubed surfaces with PCC (1:2:4) type B-1 or CM (1:2) complete all as specified and directed. Note : The quoted rate shall be deemed to include the cost of scaffoloding / staging upto four storey bldgs.

Taking out old broken brick bats from filter beds of soak wells, cleaning with water including screening and stacking for reuse and cleaning the base of filter bed with water and removing the unserviceable brick bats to a distance n. exc. 50m in low lying area complete all as specified and directed. Note:- The quoted rate shall be included for necessary excavation works.

Material and labour for loose filling with broken brick bats of gauge 80mm to 150mm in filter bed of soakage well, soakage pit complete all as specified and directed.

Demolition of cement concrete (un-reinforced) in ground floor and pavings n.exc. 15cm thickness (below or above ground level) complete all as specified and directed.

Demolition of brick work or stone boulder masonry, build in cement mortar including all quoins, arches, pillars etc. complete all as specified and directed.

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

Demolition and breaking up drain pipes of 150 mm bore (salt glazed stoneware, PVC, AC or reinforced concrete) set in cement mortar including PCC bedding complete all as specified and directed.

Surface excavation n.exc 30 cm deep and averaging 15cm deep and getting out in soft/loose soil complete all as specified and as directed.

Excavation in trenches n. exc 1.5 m wide and n. exc 1.5 m in depth for foundation etc or for cess well cess pits man holes pillar holes etc n.exc 10 sqm on plan n.exc 1.5 m in depth and getting out soft/loose soil complete all as specified and directed.

Returning filling in including spreading levelling water and well ramming in layers not exc 25 cm in soft/loose soil complete all as specified and directed.

Removing excavated material not exc 50 m and depositing where directed at a level not exc 1.5 m above the starting point as in soft/loose soil complete all as specified and directed.

Material and labour for cement concrete (1:3:6) type C-2 (using 40 mm graded stone aggregate) as in bed to drain pipes of 150 mm bore including packing under and haunching against the sides of pipe after they are laid and tested complete all as specified and directed.

Material and labour for PCC (1:4:8) type D2 (using 40 mm graded stone aggregate ) as in foundation, filling and mass concrete complete all as specified and directed.

Material and labour PCC (1:3:6) type C1 (using 20 mm graded stone aggregate ) as in foundation, flooring, sub base, paving, surface channels, drains complete all as specified and directed.

Material and labour for precast RCC (1:2:4) type B1 (20 mm graded agregate) as in landings, cover slabs (for man holes etc.), chullha hoods, chajjas, water troughs, shelves and similar articles of any thickness and any size as required at site set jointed and pointed in cement mortar (1:4) including demolition of cement concrete (reinforced) of any description and in any position not otherwise specifically provided including reinforcement cut as required to facilitate demolition and removing debries from site of work complete all as directed.

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. Note : Inner girth only shall be measured for payment.

Supply only liquid water proofing compound (WPC) complete all as specified and directed.

Material and labour for brick work with fly ash bricks of old size straight or curved on plan exc.6 mtr radius built in cement mortar (1:4) as in manhole etc. complete all as specified and directed.

All as per item No 24.00 above but except bricks and -ditto-. Note:- Serviciable bricks obtained from item No 11.00 shall be reused under this item.

Material and labour for mild steel TMT bar 10 mm dia and over cut to length bent to shape required, including cranking, bending spirally for hooping ends and binding with and incl. mild steel wire (annealed) not less than 0.9 mm dia or securing with clips. complete all as specified and directed.

Material and labour for mild steel TMT bar 6mm to 8mm mm dia and over cut to length bent to shape required, including cranking, bending spirally for hooping ends and binding with and incl. mild steel wire (annealed) not less than 0.9 mm dia or securing with clips. complete all as specified and directed.

Material and labour for non skid ceramic coloured tiles (premium quality) 7 to 8mm thick (square or rectangular) area of each tile exc. 0.06 sqm but not exceeding 0.11 sqm as in floor etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles laid over and including 20mm thick screed bed in cement mortar (1:6) including dismantling of floor, hearth or wall tiling including cement mortar bedding (but not backing) and rubbish off the premises complete all as specified and directed.

Material and labour for 15 mm thick rendering in cement mortar (1:4) on other than fair faces of brick work and finished surface even and smooth without using extra cement as in wall complete all as specified and directed.

Material and labour for 15mm thick rendering in cement mortar (1:4) on fair faces of brick work in two layers, first layer of 10mm thick and top layer of 5mm thick mixed with liquid water proofing coumpound (WPC) @ 200ml per bag of cement or as per manufacturers instruction and finish the surfaces even and smooth without using extra cement as in wall complete all as specified and directed. Note : WPC will be measured and paid separately under respective item.

Material and labour for preperation of new plastered surfaces and applying three coat of white wash on walls complete all as specified.

Supply and fixing 110 mm bore PVC(SWR) pipe double socketed laid in trenches and jointed complete all as specified and directed.

Supply and fix in repair 110 mm bore PVC (SWR) pipe single socketed, in any length with rubber ring joint laid in trenches or fixed to wall complete all as specified and directed.

Supply and fix in repair 75 mm bore PVC (SWR) pipe single socketed, in any length with rubber ring joint laid in trenches or fixed to wall complete all as specified and directed.

Supply and fix in repair 110 mm bore PVC (SWR) bend any radius with access door complete all as specified and directed.

Supply and fix in repair 75 mm bore PVC (SWR) bend any radius with access door complete all as specified and directed.

Supply and fix in repair 110 mm bore PVC (SWR) junction single, (Single ‘T’) equal or unequal with access door complete all as specified and directed.

Supply and fix 110 mm bore PVC (SWR) junction single, (Single ‘T’) equal or unequal with access door complete all as specified and directed.

Supply and fix in repair 75 mm bore PVC (SWR) vent cowl complete all as specified and directed

Supply and fix 110 mm bore PVC (SWR) reducer complete all as specified and directed

Supply and fix in repair 75 mm dia PVC (SWR) floor trap plain with grating including jointing with solvent cement complete all as specified and directed.

Supply and fix in repair 125 / 110 mm size PVC (SWR) gully trap, setting and jointing with solvent cement complete all as specified and directed.

Supply and fix in repair grating doom 125mm dia with waste hole of PTMT (minimum weight 40 gms) complete all as specified and directed.

Supply, hoist and fix 500 litre capacity rotational moulded polyethylene water storage tanks three layered (cylindrical vertical with closed top) including dismantling of old existing tank complete all as specified and directed.

All as per item No 44.00 above but 1000 litre capacity and -ditto-.

Supply and fix PVC lid for water storage tank 500 to 1000 ltr capacity including removing of old existing broken lid complete all as specified and directed.

Taking up or down 15 mm bore steel tubing and connections, including cleaning for refixing or removal to store complete all as specified and directed.

All as per item No 47.00 above but 20mm bore and -ditto-.

All as per item No 47.00 above but 25mm bore and -ditto-.

Supply and fix 15 mm bore steel tubes medium grade, galvanised, with all fitting and fixed to walls, ceilings, roofs or laid in floors complete all as specified and directed.

All as per item No 50.00 above but 20mm bore and -ditto-.

All as per item No 50.00 above but 25mm bore and -ditto-.

Laying / fixing only 15 mm bore steel water tubing medium grade galvanised with and including all fittings and fixed to walls and ceilings or laid under floors complete all as specified and directed. Note;- Serviciable GI pipe shall be refixed under this item obtained from item No 47.00 after taking up/ down.

All as per item No 53.00 above but 20mm bore and -ditto-. Note;- Serviciable GI pipe shall be refixed under this item obtained from item No 48.00 after taking up/ down.

All as per item No 53.00 above but 25mm bore and -ditto-. Note;- Serviciable GI pipe shall be refixed under this item obtained from item No 49.00 after taking up/ down.

Supply and fix in repair 15mm bore stop valves chromium plated fancy type screwed both ends for iron pipe or unions complete all as specified and directed.

All as per item No 56.00 above but 20mm bore and -ditto-.

Supply and fix in repair 20mm bore gun metal globe or gate valve, with iron wheel head, screwed both ends for iron pipe complete all as specified and directed.

All as per item No 58.00 above but 25mm bore and -ditto-.

Supply and fix in repair 20 mm bore PVC ball brass valves, high pressure, with polythene float and fly nut complete screwed for iron pipe or brass ferrule complete all as specified and directed.

All as per item No 60.00 above but 25mm bore and -ditto-.

Supply and fix in repair vitreous china wash hand basin, white, flat back, size 550x400mm excluding taps, waste pipe, chain & plug and porcelain stopper but with brackets and 32 mm bore waste coupling PTMT (minimum weight 45gms) including cutting for and pinning in ends of brackets complete all as specified and directed.

Supply and fix in repair vitreous china white wash down water closet pan (pedestal pattern) with ‘P’ or ‘S’ trap, front or back inlet, fixing bolts and making all necessary connections complete as specified and directed.

Supply and fix in repair plastic water closet seat, white, closed pattern with flat bottom, and cover and mild steel chromium plated or aluminised hinging device complete all as specified and directed.

Supply and fix in repair vitreous china white squatting pan of ‘Orissa’ pattern, size 580 x 440mm with integral foot rests including ‘P’ or ‘S’ trap, (excluding flushing cistern and flush pipe), including provn of cement concrete bedding (1:5:10) type E1 (using 20mm graded stone aggregate) complete all as specified and directed

Supply and fix in repair vitreous china Urinal, half stall type, white including providing and fixing plugs, bedding urinal against wall in cement mortar (1:2), securing urinal to plugs with and including 60mm long brass screws, pointing around urinal back in cement, 32mm dia flush pipe, grating and union for discharge pipe complete all as specified and directed.

M/S P K CONSTRUCTION

BUSINESS SYNDICATE

M/S A. J. CONSTRUCTION

APOLLO TRADERS

Renuka Fero Products

NC BOSE AND CO