REPAIR MAINT OF SEWAGE LINE SEPTIC TANK MANHOLE AND CLEANING WORK OF DRAIN AT MP GOLAI BURDONG UNDER GE GANGTOK

Amount

Excavation in trenches not exc. 1.5 metre wide and not exc. 1.5 metre in depth and getting out as in soft/loose soil for foundation etc complete all as specified and directed.

All as per item No 01 but for each additional 1.5m or part thereof in depth beyound the first 1.50 m complete all as specified and directed.

Excavation over areas, n.exc 1.5m deep and getting out in soft/loose soil complete all as directed.

All as per item no 3 but for each additional 1.5m or part thereof in depth beyound the first 1.50 m complete all as directed.

Returning, filling in, including spreading levelling watering and well ramming in layers not exceeding 25 cms in thick as in soft/loose soils complete all as specified and directed.

Removing surplus soils to a distance not exceeding 50 mtr and depositing where directed at a level not exc. 1.5 mtr above the starting point complete all as specified and directed.

Demolition of precast block masonary or precast concrete article built in cement mortar

Demolition of brickwork or stone / boulder masonary, built in cement mortar including all quoins, arches, pillars, etc but exclusing ashlar facings, dressed stoneswork and precast concrete articles complete all as direcetd.

Demolition of reinforced cement concrete of any description and in any position such as pre-cast manhole cover or cover slab of septic tanks etc (reinforcement cut as required to facilitate demolition) complete all as specified and directed.

Demolition/Dismantling and breaking up of drain pipes (AC, PVC or SWR ) 110mm dia (Internal), set in cement mortar complete all as specified and directed.

Demolition/Dismantling and breaking up of drain pipes (AC, PVC or SWR or Reinforced cement concrete) 150mm dia (Internal), set in cement mortar including taking out from trenches and removing from site complete all as specified and directed.

Demolition of cement concrete (un-reinforced )of any description and in any position not specifically provided for complete all as specified and directed.

Taking down rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks, etc., including cleaning or refixing or removal to Store (measured overall as fixed along the centre line over fittings and accessories) complete all as specified and directed.

Taking down cement plaster on brick or stone walls or concrete surface, including racking out joints, hacking for key, scrubbing down with water etc complete all as specified and directed.

M&L for precast PCC 1:3:6 type C1 (by using 20mm graded stone aggregate) block masonry with solid blocks, exc 10 cm in width and setting in CM 1:6 complete all as specified and directed.

M&L for pre-cast RCC 1:2:4 type B-1 (using 20mm graded stone aggregate) as in manholes covers etc including necessary form work and set in CM 1:4 complete all as specified and directed. NOTE : Re-inforcement shall be measured and paid separately.

M&L for RCC (1:2:4), type B-1 (using 20mm graded stone aggregate) ( nominal mix) as in slabs and in shelves and the like complete all as specified and as directed.

M&L for RCC(1:2:4), type B1 (using 20mm graded aggregate) as in walls, retaining walls, manhole wall, ballast walls and the like any thicknes above top of footings including attached pilasters and buttresses etc complete all as specified and directed.

M&L for use and waste of form work to soffits of suspended slab such as roof slabs, floor slabs, landing and similar works exceeding 200mm thick for flat fair finished surfaces of conceter complete all as specified and as directed.

M&L for Mild steel TMT bars 10mm dia and over cut to length, bent to shape required, including cranking , bending spirally for hooping for columns , hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips.complete all as specified & as directed.

M&L for Mild steel TMT bars 6mm to 8mm dia and over cut to length, bent to shape required, including cranking , bending spirally for hooping for columns , hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips complete all as specified & as directed.

M&L for PCC (1:3:6), type C-2 (using 40mm graded stone aggregate) as in foundations, filling and mass concrete complete all as specified & as directed.

M&L for PCC (1:3:6), type C-1 (using 20mm graded stone aggregate) as in coping complete all as specified & as directed.

M&L for stone walling of random rubble, uncoursed, well bonded, bedded and solidly hearted, built in cement mortar (1:6) including brought up to courses complete all as specified & as directed.

All as per item No 24 here-in-before but except stone. NOTE:- Stone boulders obtained from item No 08 here-in-before shall be reused.

Hand packing (any thickness) at back of walls over arches etc. and raising (or lowering) to the required level. NOTE:- Stone boulders obtained from item No 08 here-in-before shall be reused.

M&L for 75mm thick PCC type C-2 (1:3:6) using 40 mm graded agg in plinth protection path/hardstanding/drain bed/ jhura bed finished cement concrete surfaces fair and even including forming construction joint filled with CM (1:6) complete all as specified & as directed.

M&L for 100mm thick PCC type C-2 (1:2:4) using 40 mm graded agg in plinth protection path/hardstanding/steps/drain bed/ jhura bed finished cement concrete surfaces fair and even including forming construction joint filled with CM (1:4) all as specified & directed.

M&L for rendering 15 mm thick in CM 1:3 with using water proofing compound as per manufactures instructions on fair faces of brick or concrete surfaces, finished even & fair with using extra cement complete all as directed.

M&L for rendering 15 mm thick in CM (1:4) on other than fair faces of brick or concrete surfaces, finished even & fair with using extra cement complete all as directed.

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

M & L for PCC 1:3:6 type C-2 (by using 40 mm graded stone aggregate) as in bed to drain pipes 110 mm bore, including packing under and haunching against the sides of pipes after they are laid and tested, complete all as specified and directed.

M&L for cutting into existing manholes for connecting new drains (internal dia pipe 150mm), making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B-I smooth finished, and reforming benching complete all as specified and directed.

M&L for cutting into existing manholes for connecting new drains (internal dia pipe 100/110mm), making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B-I smooth finished, and reforming benching complete all as specified and directed.

Cleaning of blocked sewage line 150mm bore by rodding with using sectional sewer rod / flexible sewer rod /steel rod or split bamboo stick throughly from both sides between adjacent manholes / inspection chamber to manholes of any depth and size including well flushing with water till clear flow of sewage line is observed including taking out sludge & other foreign particles from manhole & pipe lines and buried in earth pits and spreading of bleaching powder @ 1kg/sqm over the sludge before filling of earth in layer of 30 cm complete all as specified and directed.

All as per ser item No 35.00 above but sewage line of 100/110mm bore. Notes for Ser item No 35.00 & 36.00 (i) Length of manhole to manholes shall be measured in these item. (ii) Cleaning of sewage line to be started from down stream side, in this operation some pipe line will be cleaned automatically and need not to be cleaned by rodding and the same shall not be measured for payment. (iii) The unit rate of the item shall be deemed to include the removal of sludge / waste water accumulated in manhole / inspection chamber due to cleaning of drain by rodding. (iv) Water required for cleaning the sewage line are the responsibility of the contractor and no extra payment will be made in this regard. (v) Cost of bleaching powder and lime deem to be included in unit rate.

Cleaning of septic tank , soakage well of any size by removing of sludge from inside the septic tank and removing to a distance exc. 250m but not exc. 500m and buried the same in to earth pits including excavation of earth pits of required size & depth, depositing & spreading of sludge, returning in filling earth over sludge with bleaching powder @ 1 Kg/sqm and removal of surplus soil to a distance not exc. 50m all complete as specified and as directed. NOTE : Earth to be filled over the pit over bamboo matting after sufficient absorption of liquid for a period of 48 hours and spreading of bleaching powder over the sludge before earth filling as directed by the Engr-in-Charge. Cost of bamboo matting, spreading of bleaching powder and excavating the earth pit and filling earth etc shall be included in the unit rate as quoted and size of pit shall be made accordingly as directed by Engr-in-Charge. The measurement of sludge shall be taken as per size of earth pit with actual depth of sludge deposited in the earth pit after initial settlement of 48 hours.

Cleaning of blocked gully trap/floor trap etc of any size by rodding thoroughyly to manhole and well flushing with water after cleaning and including remove of sludge and other materials obtained from cleaning, garbage to a pit made for this purpose and filling upto the earth complete as as specified and as directed.

Cleaning of blockages of WHB, EWC etc of any size by rodding thoroughyly to manhole and well flushing with water after cleaning and including remove of sludge and other materials obtained from cleaning, garbage to a pit made for this purpose and filling upto the earth complete as as specified and as directed.

Cleaning of blocked man holes upto 60cm depth by removing of sludge from inside and removing to a distance exc 200m but no exc. 500m and burried the same in to earth pits including excavation of earth pits of required size & depth, depositing & spreading of sludge, returning in filling earth over sludge and removal of surplus soil to a distance not exc. 50m all complete as specified and as directed.

All as per item No 40 above but exc 0.60Metre but nexc.1.50Metre in deep.

All as per item No 40 above but exc 1.50Metre but nexc.3.0 Metre in deep. Notes for Ser item No 41.00 & 42.00 (i) The unit rate of the item shall be deemed to include the removal of sludge / waste water accumulated in manhole / septic tank / soakage chamber. (ii) Water required for cleaning the sewage line are the responsibility of the contractor and no extra payment will be made in this regard. (iii) Cost of bleaching powder and lime deem to be included in unit rate.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing) removing serviceable tiles to store and rubish off the premises complete all as specified and directed.

M&L for non- skid Ceramic plain coloured tiles 7 to 8 mm thick (square / rectangular) conforming to IS 13712 grade B-II (a), approved make and colour shade, area of each tile exc 0.11 sqm but not exc 0.18 sqm , in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match over & including screed bed or bedding layer 15 mm thick in CM 1:4 complete all as specified & as dirceted.

M&L for glazed ceramic coloured tilesof size 350x250x7mm/450x300x7mm mm thick fixed on vertical surfaces such as dado / skirting, raiser to steps etc conforming to IS - 13712 grade IB-III set and jointed in neat cement slurry and pointed in white or coloured cement to match, over and including screed bed / backing layer of 10 mm thick in cement mortar (1;3) complete all as specified & as dirceted.

M&L for chequered cement conc. Tiles 200mm x200mm x 25 mm/ 300 X300 X 25 mm thick set jointed and pointed in neat slurry in floors and steps with grey cement and pigments over and incl 15mm thick screed bed or bedding layer of CM 1:4 complete all as specified and directed.

S&F as in repair 10 litre capacity low level PVC flushing cistern (any colour), syphonic action type, with inlet, ball valve, float, handle, fixed with cast iron bracket (of suitable size) and providing 32 mm dia PVC flush pipe and making all necessary connections complete (excluding PVC connection pipe) complete all as specified & as dirceted. Make : CERA, Cat No B1010107, Parry ware , Hindware or equivalent.

S&F as in repair vitreous China wash down water closet pan (pedestal pattern), white, with ‘P’ or ‘S’ trap, front or back inlet, including fixing bolts, PVC seat cover and including supply and making all necessary connections complete all as specified & as dirceted. [Make : Hindware Cat No. 20012 or equivalent of approved make]

S&F in repairs Vitreous China squatting pan of ‘Orissa pattern’, size 580 mm x 440mm (white) with ‘P’ or ‘S’ trap, front or back inlet and foot rests, any pattern complete including provision of PCC bedding and connection to trap, and to flushing pipe, antisyphonage pipe, etc. complete including making good to floor complete all as specified & as dirceted. Make : Hindware Cat No 20042 or equivalent. product of approved make.

S&F in repairs, Vitreous China, Wash Hand Basin, white, flat back of size 550 mm x 400 mm, including cutting for and pinning in ends of brackets or errecting stands and 15 mm bore PVC connector pipe, 32 mm dia chromium plated waste coupling, 32 mm dia PVC waste pipe complete all as specified & as dirceted. Make : Hindware Cat No. 10100 or equivalent product of approved make.

S&F in repairs vitreous China (White) flat back urinal half stall type complete 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 ; fixing automatic flushing cistern with brackets, flush pipe grating and Union for discharge pipe (exclusive of fixing supply pipe to flushing cistern, trap and waste pipe)

S&F for 32mm dia waste coupling for sink of PTMT(half and full threaded) minimum weight 32mm-45 grms/ 40mm-60 gms) complete all as specified and directed.

S&F waste fittings/ waste pipe 32mm dia for sink/ WHB etc with long screwed shanks and fly nutss, flange end bedded in red lead cement and other end fixed complete all as specified and directed.

S&F waste fittings/ waste pipe 40mm dia for sink, basins etc with long screwed shanks and fly nutss, flange end bedded in red lead cement and other end fixed.

S&F as in repair PVC connections 15 mm size with PTMT nuts of length 450 mm complete all as specified and directed. Make: Prayag Cat No 323 or equivalent.

S&F as in repair PVC connections 15 mm size with PTMT nuts of length 600mm complete all as specified and directed. Make: Prayag Cat No 323 or equivalent.

S&F as in repair 15mm bore pillar taps, long neck cast copper alloy fancy type with capstan head, chromium plated, with or without lettered Hot or Cold screwed down, high pressure with long screwed shanks, fly-nuts, with screwed for GI pipe complete all as specified and as directed. Make :Continental series of Jaquar cat No CON 011KN or equivalent model of Marc.

S&F as in repair 15 mm bore dia one/ two way Angular Stop cocks, cast copper alloy, fancy type, chromium plated, with wall flange complete all as direcetd. Make : JAQUAR Code- CON 059 KN or equivalent approved product of MARC/ESSESS.

S&F as in chromium plated health faucet with flexible pipe incl fixing to steel pipe or union complete all as secified and as directed.

S&F cromium plated wall mixer 15mm bore with 115mm long bend pipe for connection to over head shower (with bush & piston diverter fittings) with aerator screwed down for 15mm bore DI pipe or for brass ferrule. Make: ESSCO

S&F chromium plated central hole basin mixer extended casted spout with 450mm long braided hoses complete all as specifed and directed. Make: ESSCO

S&F as in repair 15mm bore one/two way long body bib taps cast copper alloy chromium plated, fancy type with crutch or butter fly handle, screwed down, screwed for iron pipe or for brass ferrule & fixed complete all as specified and as directed.

S&F as in repair 110 mm bore PVC (SWR) pipes single socketed, in any length with rubber ring joints fixed to wall, laid in trenches or in floor with all necessary clamps,bolts, bends, Tee etc complete all as specified and as directed.

Supply & fix in repair 150 mm bore PVC (SWR) pipes single socketed, in any length with rubber ring joints fixed to wall, laid in trenches or in floor with necessary clamps, bolts, bends, Tee etc.complete all as specified and as directed.

S&F for PVC(SWR) 75mm pipes single socketed, in any length with rubber ring joints, laid in trenches or in floor with necessary clamps, bolt, bends, Tee all as specified and directed.

S&F for PVC(SWR) 50mm pipes single socketed, in any length with rubber ring joints, laid in trenches or in floor with necessary clamps, bolt, bends, Tee all as specified and directed.

Demolition/Dismantling and breaking up of drain pipes (AC, PVC or SWR ) 300mm dia (Internal), set in cement mortar complete all as specified and directed.

Demolition/Dismantling and breaking up of drain pipes (AC, PVC or SWR or Reinforced cement concrete) 200mm dia (Internal), set in cement mortar including taking out from trenches and removing from site complete all as specified and directed.

M & L for PCC 1:3:6 type C-2 (by using 40 mm graded stone aggregate) as in bed to drain pipes 300 mm bore, including packing under and haunching against the sides of pipes after they are laid and tested, complete all as specified and directed.

M & L for PCC 1:3:6 type C-2 (by using 40 mm graded stone aggregate) as in bed to drain pipes 200 mm bore, including packing under and haunching against the sides of pipes after they are laid and tested, complete all as specified and directed.

S&F for reinforced concrete pipes, class NP2, laid and jointed complete with collars of 300mm bore complete all as specified and as directed.

S&F for reinforced concrete pipes, class NP2, laid and jointed complete with collars of 200mm bore complete all as specified and as directed.

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

S&F as in repair 150 mm bore PVC (SWR) bends any radius complete all as specified and directed.

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

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

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

S&F PVC (SWR) 75mm junction single (Single T) equal or unequal all as specified and directed.

S&F PVC (SWR) 110mm junction single (Single T) equal or unequal all as specified and directed.

S&F PVC (SWR) 75mm Junction Double (double T) equal or unequal all as specified and directed.

S&F PVC (SWR) 110mm Junction Double (double T) equal or unequal complete all as specified and directed.

S&F PVC(SWR) 75mm access door all as specified and directed.

S&F PVC(SWR) 100mm access door all as specified and directed.

S&F as in repairs, CI Floor trap 100mm diameter of outlet, with gratings, including jointing to waste pipe fixed in PCC 1:2:4 type B-1 (using 20 mm graded stone aggregate)complete all as specified and directed.

Supply only liquid water proofing compound.

M&L for rendering 15 mm thick in CM (1:4) on other than fair faces of stone masonry, finished even & fair with using extra cement complete all as specified and directed.

S&F half round 150mm dia with rounded edges including all accessories/fittings like T , Y etc for eaves gutter complete all as specified and directed.

M&L PCC 1:3:6 type C2 using 40mm graded stone aggregate as in surface channels/drain including forming fair finished to drain channel complete all as specified and directed.

M & L for loose filling with broken bricks aggregates of gauge 80mm to 150mm in soakage pits, soakage well complete all as specified and directed.

M&L for brick work with sub-class 'B'bricks, straight or curved on plan to any radius in half brick thick walls, built in CM 1:4 complete all as specified and directed.

M&L for Plain cement concrete 1:3:6, type C-2 as in Plum concrete in retaining walls etc including plums of stone boulders (Basalt, trap or any other approved) of size 200 to 300mm complete all as specified and as directed.

M&L for formwork to faces of walls, retaining walls, abutments, parapets and staircase railing and similar work including attached pillasters, buttresses, etc.; vertical or to better in rough finished surfaces complete all as specified and directed.

Supply only stone boulders (Basalt trap or any other approved) of size 200 to 300mm complete all as specified and directed.

M&L RCC (nominal mix) type B1 (1:2:4) using 20 mm graded stone aggregate as in RCC band complete all as specified and as directed.

M&L for formwork to sides and soffits of floor or roof beams, beam haunchings, girders, bressum-mers, lintels, cantilevers, shelves including supports, overhangs, etc. also splays between floors and beams, etc. as fair finished completed all as specified and directed.

M & L for brick work with sub class 'B; brick straight or curved on plan exc 6m mean radius, built in cement mortar 1:4 complete all as specified and directed.

KARMA TSETEN BHUTIA

M/S S. S CHETTRI AND SONS

Phurba Wangdi Sherpa

KAMLESH ENTERPRISE

BIJAY MITTAL

M/S ANIL KUMAR THAKUR

MAHENDRA KHAWAS