MAINT AND REPAIR REPLACEMENT TO PUMPING DISTRIBUTION WATER LINES AND ITS ACCESSORIES VALVE PITS AT DCA COMPLEX ALISDA RESIDENTIAL AND TECHNICAL CEPTAM MTRDC RESIDENTIAL AND TECHNICAL AND CAIR UNDER GE I R AND D WEST BANGALORE

Amount

Excavation in trenches n.exc 1.5 m wide and not exc 1.5m in depth for laying of pipe lines etc and getting out in hard/dense soil complete all as specified and as directed.

Returning and filling in including spreading leveling watering and well ramming in layers n.exc 25cm thick with excavated soils complete all as specified.

Removing the excavated material to a distance n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point all as directed.

Taking down of medium grade GI tubing up 50MM to 100mm with all fittings complete all as specified and directed by Engr in charge. Note :-1. Excavation & earthwork will be measured and paid seperatly under respective item of schedule.

S&F GI tubing medium grade 100mm dia in floor/ trenches /walls with all fittings complete all as specified and as directed. Note :-1. Excavation & earthwork will be measured and paid seperatly under respective item of schedule. 2. MS clamps , nuts, bolts & washers etc are included in the rates quoted.

All as per ser item No.5 here-in-before but for 80 mm dia pipe

All as per ser item No. 5 here-in-before but for 50 mm dia pipe

Taking down of medium grade GI tubing up up to 40 mm with all fittings complete all as specified and directed by Engr in charge. Note :-1. Excavation & earthwork will be measured and paid seperatly under respective item of schedule.

S&F GI tubing medium grade 25mm dia in floor/ trenches /walls with all fittings complete all as specified and as directed. Note :-1. Excavation & earthwork will be measured and paid seperatly under respective item of schedule. 2. MS clamps , nuts, bolts & washers etc are included in the rates quoted.

All as per ser item No. 8 here-in-before but for 20 mm dia pipe

CPVC pipe of presssure rating SDR 11, 20 mm dia laid in trenches,floor/wall/roof with all fittings complete including taking out the existing unserviceable pipes all as specified and as directed.

CPVC pipe of presssure rating SDR 11,50mm dia laid in trenches,floor/wall/roof with all fittings complete including taking out the existing unserviceable pipes all as specified and as directed.

Supply and fix ball valve for GI/ CPVC pipe 15/16 mm dia including taking down the old unserviceable ones complete all as speciifed and as directed.

M&L Taking out existing U/S corroded GI Union socket and S&F New GI union socket 80 mm dia including leak testing etc.all as specified & as directed.

All as per Item Sl No: 14 here in before but 50 mm dia

M & L for cutting the existing GI raising mains 50mm dia inserting Tee 50mm x 50mm size including provision of short pieces , unions, socket , threading , jointing leak testing etc all as specified and as directed.

All as per item Srl No 16 here-in-before but inserting Tee 50mm x 20mm size complete all as specified and as directed.

M&L Taking out existing U/S corroded GI nipple 50mm long and S&F New GI nipple 50 mm dia including leak testing etc.all as specified and as directed.

All as per Item Sl No 18 here in before but but 20 mm dia

S&F in replacement gun metal globe or gate valve ISI marked with iron wheel head, screwed both ends for iron pipes, Suitable for 50 mm dia pipe all as specified and as directed.

All as per Item Sl No 20 here in before but but 25 mm dia

All as per Item Sl No 20 here in before but but 20 mm dia

S&F in replacement of CI sluice valve, PN-1.6, ISI marked flanged at both ends, and drilled suitable for 100mm dia pipe, including jointing material like 3mm thick rubber gasket, bolts, nut, etc complete all as specified.

All as per ser item No. 23 here-in –before but suitable for 80mm dia pipe.

All as per ser item No. 23 here-in –before but suitable for 150mm dia pipe.

S&F in replacement Bib tap standard of PTMT any colour high pressure screwed for iron pipe 20mm dia and fixed incl taking out U/S tap complete all as speciifed and as directed.

M&L run lead joint in replacement including spun yarn of required quantity for 100 mm dia bore CI pipe joints including taking out the old materials complete all as specified and as directed. Note : Excavation and earth work will be measured and paid seperatly under respective item of schedule.

All as per ser item No 27 here-in-before but suitable for 80mm bore CI pipe .

Dismantling the broken/damaged existing valve chambers, M&L construction of valve chamber of internal size 1.00m x 1.0m x 1.0m in depth with PCC 1:4:8 type D2 (using 40mm graded stone aggregate) 100mm thick for foundation with 100 mm offset for all the sides from outer face of walls, walling with brick masonry in CM 1:6, plastering internal surface in CM 1:4, 10 mm thick, 50 mm thick coping in PCC 1:2:4, type B-1 (using 20 mm graded stone aggregate), steel cover made out of angle iron 40x40x6mm side frame fixed with split type hold fasts- 4 Nos of FI 40 x 6mm 250 mm long duly embedded in coping & MS cover with 3mm thick MS steel sheet, fitted to angle iron frame with 03 Nos of suitable hinges provided with necessary locking arrangements including preparation and applying two coats of synthetic enamel paint over a coat of red oxide primer on exposed steel surface and one coat of coal tar painting on steel surface embedded in side the concrete and two coats of white wash to plastered/concrete surfaces including disposal of rubbish out of premises, complete and as specified and as directed.

All as per item Sl No 29 here in before but valve chamber of inner size 1.50 x 1.50 x 1.0mtr

M&L Cleaning of UG Sump of 1.5 Lakh Ltrs capacity by draining out water,removing the silt /Mud from inside,cleaning the internal surfaces of wall / ceiling /floors by using wire brushes,removing silt / sludge complete drying the floors area,applying one coat anti bacterial agent (Bleaching poweder) at internal surfaces for making bactrial free,apply two coats of white wash on whole internal surfaces including making necessary writting of details of date of cleaning of UG sump and next date of cleaning with synthetic enamelled white paint over one coat of black painted surface all as specified and as directed by engineer-in-charge.

All as per Item Ser No 31 here in before but for UG Sump of 0.8 to 1.2 Lakh Ltrs capacity all as specified and as directed.

All as per Item Ser No 31 here in before but for UG Sump of 0.25 Lakh Ltrs capacity complete all as specified and as directed.

S & F Non-Return Valve 50mm dia incl taking out the unserviceable and connecting complete all as specified & as directed.

S & F Gun metal foot valve 50mm dia incl taking out the unserviceable and connecting complete all as specified & as directed.

S & F Cast Iron foot valve 100mm dia incl taking out the unserviceable and connecting complete all as specified & as directed.

Cleaning the valve chamber from inside and outside off sizes using wire brush , removing the foreign materials / mud accumulated in the valve chamber , cleaning the surface of sluice valve / non-return valve / air valve , applying two coat of white wash for inside & outside cement plaster surfaces , painting one coat of synthetic enamel paint for valves and MS cover plate of exisitng colour all as directed.

Supply and mixing of calcium hypo chloride/ stable bleaching/ high strength bleaching granular with the distribution water supply system, it should be dry free flowing and free from lumps and should not induce substances beyond acceptable limit as given in IS 10500(2012) in treated & disinfected water in packing of 40-45 Kg drums to reduce fire hazard in places of high ambient temperature. It should contains available chlorine- 65% by mass (min), stability -1/15 loss of chloride on basis of available chloride (max), particle size (passing through 1.70mm in sieve) 99.5% by mass (min), water insoluble matter (max) 4% and Sodium chloride (max)-15% as per generic specifications : calcium hypochlorite. Note:- (i) Supplier shall be provide a “Certificate of compliance” /Test certificate in original indicating Batch No, Date of manufacturing, and quantity supplied. (ii) Supply of materials shall be regulated as per work orders issued time to time as per the requirement. (iii) Only fresh lot (not more than two months at the time of received material) shall be supplied by the Service provider. Batch No and date should be marked on every container.

M & L for rolled mild steel in joists , channel, Chequre plate , angle or tee sections as in main and cross beams of Fe 410-W grade steel for ladders for U/G sumps & O/H tanks including cutting , welding ,grinding sharp corners etc all as directed. Note :- The quoted rates are inclusive of unloading , fabrication work at site, reducing to required shape & size ,hoisting , fixing etc including prepration of new untreated surfaces and painting of with one coat of red oxide primer and two coats of black paint all as required at site including taking down the old UNSV ones complete all as directed.

M&L for painting of CI/GI pipe line of any size, preparation of surfaces by brushing with wire brushes for removing old paint and finally forming the cleaned surface with gunny bags to remove all loose dirt etc and painting of two coat of black paint all as specified and directed.

S & lay in replacement DI pipe 100mm (k-7 grade) conforming to IS:8329-2000 with socket & spigot ends laid in trenches complete all as directed.

S & lay DI pipe in replacement 250mm (k-7 grade) conforming to IS:8329-2000 with socket & spigot ends laid in trenches complete all as directed.

S&F CI/DI specials such as bends / Tees/Tapers/collars/Dead end flanged /Tail end pieces etc including nuts and bolts etc complete upto 300mm dia

S & F in replacement water meter flanged type 250 mm dia with cast iron body ISI marked

S & F female coupler with lock made with stainless steel 63 mm dia suitable for fire hydrant loading valves located at various fire hydrant places complete all as per existing complete.

Supply and fix Gun metal fire brigade in let connection for connecting to external fire hydrant ring main consisting of two nos 63mm dia instantaneous type male coupling complete with all accessories for replacement the UNSV one complete all as directed.

Supply & fix in replacement of fire hydrant landing valve single head outlet of 63 mm dia conforming to IS 5290 including taking down the old unsv one complete all as directed.

Supply and fix fire hydrant stand post 80 mm dia GI both flange type 1.5 mtr height with porvn of single outlet connection including taking down the old unsv one complete all as directed.

Supply and fix hose reel drum swing type with hose reel of 20 mm dia and 30 meter length conforming to IS 5132 and fixed to wall properly with nut bolts and clamps etc. including taking down the old UNSV one complete.

Supply and fix 63 mm dia 15 meter long RRL hose conforming to IS 636 complete with Gun metel male and female coupling conforming to IS 903 including taking down the old UNSV one complete.

Supply and fix Pressure gauge 100 mm dia with ball valve of pressure upto 14 KGs rating including taking down the old UNSV one complete.

Supply and fix Non Return Valve (NRV), flanged type of heavy duty wafer type ,100 mm (4”)dia including taking down the old UNSV one complete.

Taking down the any type U/S Fountains and Supply and installing the Out door type Glass Curtain Fountain pumpimg with suitable submersible pump including LED light as focussed including suitable water proof cable caonnection . Fountain length of perimeter is 6 feet, shape of the fountain is semi circular/ half semi circular the fountain height is 8 feet including suitable frame work structure including foundation for fountain, pump connected between top and bottom of receiving sump, top & Bottom of the fountain’s SS pipe line need to be covered with SS sheeting for Elevation including receiving sump area including one additional nazle set for making ball bubble size is 45cm as per requirement making suitable tiles, all as per sample of drawing approved by Engr in Charge as specified and directed.

Taking down MS pipe from wall /ceiling / trench and Supply and lay M S Pipes 150mm dia heavy grade with all fittings laid in fors or fixed to walls o or suction pipe in sump and ceilings etc of sizes as shown etc complete all as specified and directed.

Auromirra Enterprises (BID ID -3337564)

KAALIKA ELEVATORS (BID ID -3323779)