REPAIRS AND CLEANING OF SEWAGE LINES, MANHOLES, SEPTIC TANKS, GREASE TRAPS ETC FOR TECHNICAL 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.

All as per item No 1.00 but cleaning of old soak pit and .-ditto-.

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 3.00 above but for 100/110 mm dia of pipe and any depth and -ditto-.

All as per item No 3.00 above but for 200 mm dia of pipe and any depth and -ditto-.

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 100/110 mm bore (salt glazed stoneware, PVC, AC or reinforced concrete) set in cement mortar including PCC bedding complete all as specified and directed.

Demolition and breaking up drain pipes of 150/160 mm bore (salt glazed stoneware, PVC, AC or reinforced concrete) set in cement mortar including PCC bedding complete all as specified and directed.

Material and labour for PCC (1:3:6) type C2 (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 surface channels and 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.

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 110 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 cement concrete (1:3:6) type C-2 (using 40 mm graded stone aggregate) as in bed to drain pipes of 160 mm bore including packing under and haunching against the sides of pipe after they are laid and tested complete all as specified and directed.

Extra for forming fair finished drain or channel 45 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.

Material and labour for brick work with sub class 'B' bricks 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.

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 25mm thick PCC (1:2:4) type B-0 (using 12.50mm graded stone aggregate) as in sub base of floor to receive tiles complete all as specified and directed.

Material and labour for non skid ceramic coloured tiles (premium quality) 7 to 8mm thick (square/rectangular) area of each tile exceeding 0.11sqm but not exc. 0.18sqm as in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour of tiles laid over and including 15mm thick screed bed in cement mortar (1:6) complete all as specified and directed.

Material and labour for glazed ceramic tiles of size 300x200x7 mm / 450x350x7mm (premium quality) coloured in vertical surfaces such as riser of steps, skirting, dado and pillar set and jointed in neat cement slurry and pointed in white or coloured cement to match laid over and including 10mm thick cement plaster in cement mortar (1:4) including dismantling of floor, hearth or wall tiling including cement mortar bedding (but not backing) removing un-serviceable tiles 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 complete all as specified and directed.

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

Supply and fix in repair 110 mm dia PVC (SWR) pipes single socketed, in any length with rubber ring joints, fixed to walls complete all as specified and as directed.

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

Supply and fix 160 mm bore PVC (SWR) pipe single socketed, in any length with rubber ring joint laid in trenches or in floors 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 110 mm bore PVC (SWR) vent cowl complete all as specified and directed.

Supply and fix in repair 110 mm bore PVC (SWR) branch piece, single (single Y) equal or unequal with access door 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 75mm bore cast iron floor trap with grating including jointing to waste pipe in run lead for including CP grating cover with or without hole 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 33.00 above but 20mm 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 35.00 above but 20mm 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 33.00 after taking up/ down.

All as per item No 37.00 above but 20mm bore and -ditto-. Note;- Serviciable GI pipe shall be refixed under this item obtained from item No 34.00 after taking up/ down.

Supply and fix in repair 15 mm dia PVC connection with PTMT nuts at both ends of length 450 mm complete all as specified and directed.

Supply and fix in repair 10 ltr capacity PVC valveless, syphonic action type, flushing cistern, low level, white, with inlet, ball valve, float and handle including brackets and flush pipe complete all as specified and directed.

Supply and fix in repair 32 mm dia PVC corrugated waste pipe 800mm long complete all as specified and directed.

Supply and fix in repair vitreous china bowl urinal flat back, size of 465x355x265 mm white (minimum),with grating and union for discharge pipe (excluding flushing cistern, flush pipe and waste pipe) 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

BANERJEE CONSTRUCTION

APOLLO TRADERS

M/S A. J. CONSTRUCTION

M/S P K CONSTRUCTION

ZENITH CONSTRUCTION

KUMAR ENTERPRISE