REPAIR/REPLACEMENT SEWAGE LINE, SEPTIC TANKS, SOAK WELL, MANHOLES AND OTHER ALLIED WORK AT NAA UNDER GE (N) TEZPUR.

Amount

Demolition of reinforced cement concrete in roofs, manhole cover slab, floors n exc 15 cm thickness (below or above ground level) comlete all as specified and as directed.

Demolition and breaking up drain pipes 100/150 mm dia unserviceable (salt glazed stone ware, AC or reinforced concerete, drain pipes) set in cement mortor including PCC haunching complete all as specified and as directed.

Dismantling of brick work or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc. complete all as specified and directed by Engineer in charge.

S & F PVC (SWR) pipes single socketed in any length with rubber ring joints laid in trenches 150 mm bore including dismantling and breaking up drain pipes complete in all respect as specified and directed.

S & F PVC (SWR) pipes single socketed in any length with rubber ring joints laid in trenches 110 mm bore including dismantling and breaking up drain pipes complete in all respect as specified and directed.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or water supply pipes lines etc or not exceeding 10 sqm on plan and getting out in soft/ loose soil complete all as specified and as directed.

Demolition of cement concrete(unreinforced) in ground floors and paving not exceeding 15 cm thickness (below or above ground level) complete all as specified and as directed.

M & L for cement concrete in foundation, filling and mass concrete in M7.5(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

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

M & L for rendering 15 mm thick on fair face of brick wall or concrete surface in cement mortar1:4 mixed with WPC @ 3% (or as per manufaturers instruction) finished even and smooth without using extra cement, complete all as specified and as direted. (Note : WPC shall be measured and paid separately)

Material and labour for plastering 15 mm thick on fair faces of brick work or concrete surfaces (on vertical surfaces) in cement mortar 1:4 finished even and fair complete all as specified and as directed.

M & L for cement concrete in surface channels and drains in M10(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M&L PCC 1:3:6 type C-2 as in concrete bed to drain pipe of 150 /110mm dia , incl packing under and haunching against the side of pipes after they are laid and tested complete all as specified and as directed.

M&L for PCC (1:3:6) type C2 (using 40 mm graded stone aggregates) for concrete bed to drain pipes including packing under and haunching against side of pipes 100 mm bore after they are laid down, jointed and tested complete all as specified and as directed.

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

M&L for precast RCC, type B-1, 1:2:4 (using 20 mm crushed and graded stone aggregate) as in manhole covers/ cover slabs or of similar type slab works, etc. incl necessary formwork and loading/ unloading of the same and fixed in position, complete in all respcet as specified and directed.

Supply and fix PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to wall 110 mm bore fixed with pipe clamps over walls including dismantling and breaking up drain pipes complete all as specified and as directed.

Supply and fix PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to wall 50 mm bore fixed with pipe clamps over walls including dismantling and breaking up drain pipes complete all as specified and as directed.

Supply and fix PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to wall 75 mm bore fixed with pipe clamps over walls including dismantling and breaking up drain pipes complete all as specified and as directed.

S & F PVC (SWR) bends with inspection door (any angle), 110 mm dia conforming to IS 14735: 1999 complete all as specified and directed by Engineer- in- charge.

S & F PVC (SWR) bends with inspection door (any angle), 75 mm dia conforming to IS 14735: 1999 complete all as specified and directed by Engineer- in- charge.

S & F PVC (SWR) Tee(87.5⁰) single, 110 mm dia with inspection door conforming to IS 14735: 1999 complete all as specified and directed by Engineer- in- charge.

S & F PVC (SWR) Tee(87.5⁰) single, 75 mm dia with inspection door conforming to IS 14735: 1999 complete all as specified and directed by Engineer- in- charge.

S & F PVC (SWR) vent cowl, 75 mm dia conforming to IS 14735: 1999 complete all as specified and directed.

S & F PVC (SWR) vent cowl, 110 mm dia conforming to IS 14735: 1999 complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed.

Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and as directed.

M & L for applying one coat of 85/25 grade hot bitumen @ 0.7 Kg per Sqm over a coat of bituminious primer @ 5 Kg per Sqm complete in all respect as specified and directed

M & L for PVC connections 15 mm size with PTMT nuts of length 300/450 mm complete all as specified and as directed.

S & F 15 mm nominal size, nonrising spindle type fancy angle stop valves as per IS 8931: 1993 made of cast brass including Knob, knob components, divertor & components, nickel-chromium plated finish complete all as specified and as directed.

M & L for polythene film, 150 micron thick, laid on a coat of bitumen primer @ 0.30 to 0.50 kg per sqm complete all as specified and as directed.

S&F Roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (beam, tee, angle, tubular/hollow section, channel or flat sections) including distance pieces, cleats etc. using Fe-410W (Grade E-250 quality "A") including necessary welding complete complete all as specified and directed.

S&F Vitreous China urinals, full stall type (back or corner wall 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 complete all as specified and directed.

S & F wash hand basins, vitreous china of size 550 x400mm(flat back or angle back type), including cutting for and pinning in ends of brackets over new angle iron erecting stand embedded in PCC (1:2:4) block including 32mm dia bore waste fitings cast copper alloy chromium plated with long screwed shanks and flynuts flange and beded in redlead cement, PVC waste pipe including 15mm bore dia fancy type CP finish Pillar tap, cast copper alloy with capstan heads, screwed down high presuure, with or without lettered hot or cold with long screwed shanks and fly nuts, screwed for iron/CPVC pipe/fittings complete all as specified and directed.

M & L for mild steel TMT bars 10 mm dia and over, cut to length, bent to shape required, including hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips and including welding has to be done with minimum 20 cm over lap for new and old of any height. Complete all as specified and as directed.

M & L for mild steel TMT bars 6 mm to 8 mm dia, cut to length, bent to shape required, including hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips and including welding has to be done with minimum 20 cm over lap for new and old of any height. Complete all as specified and as directed.

M & L for 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.

Add or deduct for each 25 mm girth or part thereof over or under 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/ stopped ends etc. complete all as specified and as directed.

Taking down cement plaster on stone/brick/concrete surfaces including racking out joint, hacking for key, scrubbing down with water etc, complete all as specified and as directed.

Opening of blokage from Manholes Grease trap, Nahni trap, WC, Floor trap, etc including washing/cleaning with pressure pump,upto 1st manhole complete all as specified and as directed. Note:-Opening of blockage up to 7 days interval in one pit in the same place is deemed to be included in the quoted rate and after 7 days of cleaning if bolcked in the same pit shall be measured separately)

Cleaning of sewage line of any diameter by roding of any dia and of any description including manholes by pneumatic tool or other means to clear the sludge/ blockage inside the sewage line and manholes and will be flushing with water to drain out sludge etc inside the sewage line from manholes to ease the flow of sewage including removing the sludge and re-fixing the manhole cover complete all as specified and as directed. Note: Minimum two safaiwala alongwith two helpers with tools and plant will be engaged by the contractor per day irrespective of one complaint and complaint will be attended and completed within same day. opening of blockage upto 30 (Thirty) days interval the same place is deemed to be included in the quoted rate and after 30 (thirty) days of cleaning if blocked in the same pit shall be measured separately. complaint slip Book shall be provided by contractor without any extra cost.

Supply only bleaching powder, grade 1 as per IS 1065: 1989, minimum 35 percent chlorine available by mass, 1/15 max loss of chlorine on the basis of initial available chlorine, 99.5 percent minimum particle size by mass all as specified.

Preparaing old decorated plastered or unplastered surface of wall and apply two coats of white wash including scrapping down of old white wash completely complete in all respect as specified and directed.

Preparation of newly plastered surfaces on walls and applying two coats of white wash complete all as specified and as directed.

S & F in repair white vitreous china Squatting pan of size 580X440 mm "ORISSA PATTERN" with 'P' or 'S' PVC trap bedded in cement concrete (Exclusive flushing cistern and flush pipe with integral foot rest complete all as specified and directed.

S & F in repair vitreous china wash down water closet pan (Pedestal pattern) white including plastic water closet seat , white closed pattern with flat bottom , new CI/UPVC 'P' or 'S' type trap and mild steel chromium plated hinging device (exclusive flushing cistern and flush pipe) complete in all respect as specified and directed.

S&F in repair Single unit wash down water closet pan white including plastic water closet seat cover white, Single unit with flat bottom, complete in all respect as specified and directed Make:- Hindware, Jaquar, Marc, Prayag.

Supply and fixed unplasticised PVC (SWR) Gully trap 125/110 mm, setting and jointing with solvent cement complete in all respect as specified and directed. Make: Supreme, Prince, Oriplast.

M & L for precast cement concrete louvers and jallies, 50 mm thick (measured solid) in cement concrete M15 (Nominal mix) using 12.5 mm nominal size coarse aggregate including all mouldings but excluding frame and fixed in position using cement mortar (1:6) complete all as specified and as directed.

S & F stainless steel grating of 75 mm dia complete in all respect as specified and directed.

M&L for 18-20 mm thick machine cut kota stone slab flooring of size not less than 500 x 500 mm over 15 mm thick cement mortar (CM) 1:6 screed base, laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing, complete in all respect as specified and directed.

M&L for 18-20 mm thick machine cut kota stone slab of size not less than 500 x 500 mm in riser of steps, skirting, dado and pillar over 15 mm thick rendering in cement mortar (CM) 1:4, laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing, complete in all respect as specified and directed.

S & F grating doom 100 mm dia of PTMT (Minimum weight 25 gms) complete all as specified and as directed.

Cleaning 10 USERS Septic Tank by opening Cover, Pumping out Sewage Water and Taking out accumulated Night Soil, Sludge’s, Brick Bats or any Other Items, (both Solid and Liquid) through only "Honey sucker /sewage vacuum suction machine" min capacity 4.0 cum including dewatering of manholes, sewage pipe line ,septic tanks, drain, soakage well when ever is required and removing to a distance exc 50.00 METRE but not exc. 100.00 METRE, and buried under Ground (minimum 300 mm below Ground Level), Sprinkling Bleaching Powder on deposited Sludge’s at Pit including Excavation of Pits, Returning, Filling in and dress-ing of Surplus Soil/Ground to Slope as required, again Spreading Bleaching Powder on Filled Earth and upto 1.00 METRE around the Trenches/Pit not less than 500 GRAMS PER SQUARE METRE, re-fixing the Cover after complete Cleaning of Septic Tank, complete all as specified and as directed. Note: The contractor shall upload scanned copy of the original purchase voucher of Honey sucker machine /sewage vacuum suction machine obtained from manufacturer/authorized dealer or affidavit for agreement between bidders & owner of machine for hiring of machine.

Cleaning 25 USERS Septic Tank by opening Cover, Pumping out Sewage Water and Taking out accumulated Night Soil, Sludge’s, Brick Bats or any Other Items, (both Solid and Liquid) through only "Honey sucker /sewage vacuum suction machine" min capacity 4.0 cum including dewatering of manholes, sewage pipe line ,septic tanks, drain, soakage well when ever is required and removing to a distance exc 50.00 METRE but not exc. 100.00 METRE, and buried under Ground (minimum 300 mm below Ground Level), Sprinkling Bleaching Powder on deposited Sludge’s at Pit including Excavation of Pits, Returning, Filling in and dress-ing of Surplus Soil/Ground to Slope as required, again Spreading Bleaching Powder on Filled Earth and upto 1.00 METRE around the Trenches/Pit not less than 500 GRAMS PER SQUARE METRE, re-fixing the Cover after complete Cleaning of Septic Tank, complete all as specified and as directed. Note : The contractor shall upload scanned copy of the original purchase voucher of Honey sucker machine /sewage vacuum suction machine obtained from manufacturer/authorized dealer or affidavit for agreement between bidders & owner of machine for hiring of machine.

Cleaning 50 USERS Septic Tank by opening Cover, Pumping out Sewage Water and Taking out accumulated Night Soil, Sludge’s, Brick Bats or any Other Items, (both Solid and Liquid) through only "Honey sucker /sewage vacuum suction machine" min capacity 4.0 cum including dewatering of manholes, sewage pipe line ,septic tanks, drain, soakage well when ever is required and removing to a distance exc 50.00 METRE but not exc. 100.00 METRE, and buried under Ground (minimum 300 mm below Ground Level), Sprinkling Bleaching Powder on deposited Sludge’s at Pit including Excavation of Pits, Returning, Filling in and dress-ing of Surplus Soil/Ground to Slope as required, again Spreading Bleaching Powder on Filled Earth and upto 1.00 METRE around the Trenches/Pit not less than 500 GRAMS PER SQUARE METRE, re-fixing the Cover after complete Cleaning of Septic Tank, complete all as specified and as directed. Note : The contractor shall upload scanned copy of the original purchase voucher of Honey sucker machine /sewage vacuum suction machine obtained from manufacturer/authorized dealer or affidavit for agreement between bidders & owner of machine for hiring of machine.

Cleaning 150 USERS Septic Tank by opening Cover, Pumping out Sewage Water and Taking out accumulated Night Soil, Sludge’s, Brick Bats or any Other Items, (both Solid and Liquid) through only "Honey sucker /sewage vacuum suction machine" min capacity 4.0 cum including dewatering of manholes, sewage pipe line ,septic tanks, drain, soakage well when ever is required and removing to a distance exc 50.00 METRE but not exc. 100.00 METRE, and buried under Ground (minimum 300 mm below Ground Level), Sprinkling Bleaching Powder on deposited Sludge’s at Pit including Excavation of Pits, Returning, Filling in and dress-ing of Surplus Soil/Ground to Slope as required, again Spreading Bleaching Powder on Filled Earth and upto 1.00 METRE around the Trenches/Pit not less than 500 GRAMS PER SQUARE METRE, re-fixing the Cover after complete Cleaning of Septic Tank, complete all as specified and as directed. Note : The contractor shall upload scanned copy of the original purchase voucher of Honey sucker machine /sewage vacuum suction machine obtained from manufacturer/authorized dealer or affidavit for agreement between bidders & owner of machine for hiring of machine..

Cleaning 250 USERS Septic Tank by opening Cover, Pumping out Sewage Water and Taking out accumulated Night Soil, Sludge’s, Brick Bats or any Other Items, (both Solid and Liquid) through only "Honey sucker / sewage vacuum suction machine" min capacity 4.0 cum including dewatering of manholes, sewage pipe line ,septic tanks, drain, soakage well when ever is required and removing to a distance exc 50.00 METRE but not exc. 100.00 METRE, and buried under Ground (minimum 300 mm below Ground Level), Sprinkling Bleaching Powder on deposited Sludge’s at Pit including Excavation of Pits, Returning, Filling in and dress-ing of Surplus Soil/Ground to Slope as required, again Spreading Bleaching Powder on Filled Earth and upto 1.00 METRE around the Trenches/Pit not less than 500 GRAMS PER SQUARE METRE, re-fixing the Cover after complete Cleaning of Septic Tank, complete all as specified and as directed. Note : The contractor shall upload scanned copy of the original purchase voucher of Honey sucker machine /sewage vacuum suction machine obtained from manufacturer/authorized dealer or affidavit for agreement between bidders & owner of machine for hiring of machine..

Cleaning Manhole depth not exc. 0.50 METRE by opening Cover and Taking out accumulated Brick Bats, Garbage, Silts or any Other Items, removing and carrying same to a distance exc. 50.00 METRE but not exc. 100.00 METRE and buried under Ground (minimum 300mm below Ground Level) including Excavation of Pits and Returning, Filling in and Dressing of Surplus Soil Ground to Slope if required, re-fixing the Cover after Cleaning of Manhole, complete all as specified and as directed.

Cleaning Manhole depth exc 0.50 mtr and not exc. 1.00 METRE by opening Cover and Taking out accumulated Brick Bats, Garbage, Silts or any Other Items, removing and carrying same to a distance exc. 50.00 METRE but not exc. 100.00 METRE and buried under Ground (minimum 300mm below Ground Level) including Excavation of Pits and Returning, Filling in and Dressing of Surplus Soil Ground to Slope if required, re-fixing the Cover after Cleaning of Manhole, complete all as specified and as directed.

Cleaning Manhole depth exc 1.00 mtr and not exc. 2.00 METRE by opening Cover and Taking out accumulated Brick Bats, Garbage, Silts or any Other Items, removing and carrying same to a distance exc. 50.00 METRE but not exc. 100.00 METRE and buried under Ground (minimum 300mm below Ground Level) including Excavation of Pits and Returning, Filling in and Dressing of Surplus Soil Ground to Slope if required, re-fixing the Cover after Cleaning of Manhole, complete all as specified and as directed.

Cleaning Manhole depth exc 2.00 mtr and not exc. 3.00 METRE by opening Cover and Taking out accumulated Brick Bats, Garbage, Silts or any Other Items, removing and carrying same to a distance exc. 50.00 METRE but not exc. 100.00 METRE and buried under Ground (minimum 300mm below Ground Level) including Excavation of Pits and Returning, Filling in and Dressing of Surplus Soil Ground to Slope if required, re-fixing the Cover after Cleaning of Manhole, complete all as specified and as directed.

Supply and fix PVC SWR Nahani/ Floor trap plain with grating including jointing with solvent cement, dia of outlet 75 mm, water seal minimum 50 mm, complete all as specified and directed by Engineer in charge.

M & L for coloured non - skid ceramic tiles 7 to 8 mm thick (square/ rectangular) area of each tile exceeding 0.11 Sqm but not exceeding 0.18 Sqm, in floors etc. set and jointed in neat cement slurry and pointed in white cement with pigment to match the tile colour complete in all respect as specified and directed.

M&L for coloured ceramic tiles 7 to 8 mm thick (square/ rectangular) area of each tile exceeding 0.11 Sqm but not exceeding 0.18 Sqm, in dado/skirting etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match the tile colour complete in all respect as specified and directed.

M & L for screed bed or bedding layer of mortar 15 mm thick in cement mortar 1:4 for laying floor finishes complete all as specified and as directed.

S & F Plastic water closet seat, black, closed pattern with flat bottom, and cover and mild steel chromium plated or aluminised hinging device in all respect as specified and directed.

S & F of PVC valveless, syphonic action type, 10 lit capacity flushing cistern, low level, white, with inlet, ball valve, float and handle including brackets and waste pipe in all respect as specified and directed.

S&F 75 mm dia of outlet, PVC (SWR) nahani trap, plain with SS grating of size 150mmX150mm, 0.75mm thick openable at center including jointing with solvent cement, complete in all respect as specified and directed.

S&F PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls 110mm bore including necessary MS pipe clamp, complete in all respect as specified and directed.

S&F PVC (SWR) pipes single sockedted in any length with rubber ring joints laying in trenches 110 mm bore, complete in all respect as specified and directed.

S&F PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls 75mm bore including necessary MS pipe clamp, complete in all respect as specified and directed.

S&F PVC (SWR) pipes single sockedted in any length with rubber ring joints laying in trenches 75 mm bore, complete in all respect as specified and directed.

DRISTEE ASSOCIATES