CERTAIN REPAIRS TO EXTERNAL WATER SUPPLY AT COIMBATORE AND MADUKKARAI ARMY AREA UNDER AGE (I) COIMBATORE

Amount

Excavation in trenches not exceeding 1.50m width and not exceeding 1.5m depth for taking out / laying of pipe line in soft/loose soil complete all as specified and as directed.

Returning, filling in, including spreading, watering and well ramming in layers not exceeding 25 cm thick using soils complete all as specified and as directed.

Removal of excavated material not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Taking out/up/down from trenches /walls /floors galvanised steel tubings and connections of following sizes :-

Bore of pipe 15 mm dia

Bore of pipe 20 mm dia

Bore of pipe 25 mm dia

Bore of pipe 40/50 mm dia

Bore of pipe 80 mm dia

Bore of pipe 100 mm dia

Supply and laying in trenches,walls and floors, galvanised steel tubings, medium grade with screwed and socket joints together with all galvanised steel fittings such as sockets, elbows, bends, tees, reducers, short pieces, unions, caps, plugs etc. including clamps connection cutting screwing , drilling etc complete all as specified and directed.

Bore of pipe 15 mm dia

Bore of pipe 20 mm dia

Bore of pipe 25 mm dia

Bore of pipe 40 mm dia

Bore of pipe 50 mm dia

Bore of pipe 80 mm dia

Bore of pipe 100 mm dia

Supplying and laying CPVC pipes SDR 11 & plain CPVC SDR 11 fittings in trenches/walls including connections of following sizes complete all as specified and directed. Note: 1) Excavation and earth work will be measured and paid separately. 2) Suitable size of Union will be provided at all branches tees joints and at a maximum distance of 30 RM of straight pipe and rates are deemed to be included in the rate quoted above for ease in maintenance.

Bore of pipe 20 mm dia

Bore of pipe 25 mm dia

S&F Gun metal globe valves with iron wheel head screwed both end for iron pipe of following sizes complete all as specified and as directed.

Bore of pipe 15 mm dia

Bore of pipe 20 mm dia

Bore of pipe 25 mm dia

Bore of pipe 40 mm dia

Bore of pipe 50 mm dia

Bore of pipe 100 mm dia

Non return butterlfy valve, bore of 50/80 mm dia

S&F and testing of sluice valve flanged and drilled both ends of CI body, heavy duty, class PN 1.6 gun metal spindle conforming to IS 14846 including jointing with and including rubber gaskets, bolts, nuts, and washers including dismantling of old unserviceable sluice valve including cutting unscrewing old nut bolts for the following sizes complete all as specified and directed:-

80 mm dia

100 mm dia

150 mm dia

200 mm dia

S&F Foot valve of Brass, Plunger type, heavy duty suitable for 100 mm dia pipe line, including replacement of old unserviceable foot valve any type and size from suction pipe of pump set complete all as specified and directed.

S&F Foot valve of Brass, Plunger type heavy duty suitable for 50 mm dia pipe line, including replacement of old unserviceable foot valve any type and size from suction pipe of pump set all as directed by engineer in charge. Note : The rate quoted above for Items 9.00 & 10.00 are deemed to be included with the cost of minor alteration to the pipe for fixing of foot valve.

M&L Preparation of old treated steel surface over 10cm width/girth and applying two coats of synthetic enamel paint complete all as specified and as directed.

M&L Preparation/cleaning of old treated steel surfaces of any description such as electric motor operator pumps set and base plates,foundation including suction/delivery GI Pipe line up to ground level and writing of MES no as per colour code complete all as specified and as directed. Note:- One job includes two sets of pump and pipe line of suction and delivery and other connected items at one installation and including writing of block stencil cut MES No. of 2 cm height.

Site clearance by cutting of shrubs,grass,bush weed,trees and saplings not exceeding 30 cm girth, removal of grass with roots including leveling of area and removal of same outside not more than 50m complete all as specified and as directed.

M&L MS plain black sheet 1.60 mm thick for covering top of water tank staging/valve chamber cover cut to size hole including punching, riveting and welding complete all as specified and as directed.

M&L Preparation/cleaning of old treated steel surfaces over 10cm in width or girth and applying one coat of synthetic enamel paint in valve chamber cover,pipe line,doors/window of pump house etc complete all as specified and as directed.

M&L Cleaning of RCC UG water storage sump/ground level tank by pumping out dirty water & removing all silt, sludge and dirt etc from walls and floor of the tank/sump & treating the wall with bleaching powder,rubbing scrapping the walls and floor with the wire brushes and taking out all silt, sludge and dirt from the tank/sump and depositing to a distance up to 50 m. After primary cleaning the empty tank/sump shall be cleaned further with mixture of fresh water and potassium permagnate at the rate of two percent with water & washing the sump shall be continued till water stored in the tank/sump looks clear and then applying two coats of lime wash inside the sump and painting of outer dome/top by means of white wash and writing the date of cleaning and capacity of tank/sump of size of letter 4" with white synthetic enamel paint over black synthetic enamel paint patta of suitable size,distinctively and cleaning area incl removal of bushes,unwanted plants and grass with roots around 50mtr all the sides of UG resorvoir complete all as specified and as directed for the following capacity :-

100000 gallons.

50000 gallons.

25000 gallons.

10000 gallons.

6000 gallons.

5000 gallons.

S&F Ball valves made out of PVC with polythene float and fly nut in repairs of the following size of pipes complete all as specified and directed :-

25 mm dia bore

20 mm dia bore

15 mm dia bore

M&L Cleaning and removing all scale, dirt etc from RCC/AC/Ferro cement water tanks and mouth of circular pipes,including writing letters or figures (Block, Roman, Italic or Indian) not exc 15cm height complete all as specified and as directed for the following capacity :-. Note : 1) Remove all water from the water tank and then desilt the tank. 2) All walls & floor of the tank should be scrubbed thorougly with detergent powder. 3) Then the tank is again filled with fresh water & bleaching powder to be added in the dose 4-5 gram per 1000 litres. 4) Letters written on tanks should be on standard format. (Example: Cleaned on 05 JAN 2022)

Upto 250 litre

500 litre

1000 litre

1500 to 2000 litre

S&F Cover for PVC sintex tank of 200/500/1000 litre capacity made of polythene with all accessories complete all as specified and as directed.

Supply and connect PVC insulated PVC sheathed submersible multi stranded copper conductor flat cable, 3 core, 6 sqmm, 1100 volts grade including disconnecting, dismantling taking out old unserviceable cable from LT panel to pump set complete all as specified and as directed.

S&F Star delta starter fully automatic suitable for electric pump set motors 7.5 HP-10 HP capacity, 3 phase, 415 volts,comprising of main star delta contactor, timer, overload relay including dismantling of old unserviceable starter complete. Note : The rate quoted above are deemed to be including the cost of minor alterations to the panel for fixing of above starter.

Dismantling and lifting the submersible pump of 7.5-12.5 HP by separating pumps and motor to carryout required repairs by machines and Reassembling same after replacing all worn out spare parts and testing complete all as specified and directed.

M&L Rewinding of 7.5-12.5 HP capacity,AC three phase submersible monoblock motor with super enameled copper wire of same size wire with insulating material and varnishing and polishing of the shaft and rotor etc of suitable size complete all as specified and directed.

Supply only Thrust bearing plate for 7.5-12.5 HP submersible motor complete all as specified and directed.

Supply only Impellar brass for 7.5 HP submersible motor complete all as specified and directed.

M&L Rewinding of 5-10 HP capacity, AC three phase pump set motor with super enameled copper wire of same size wire with insulating material and varnishing and polishing of shaft and rotor, including taking down old unserviceable wire, spare parts like bearing, impeller etc of suitable size complete all as specified and as directed. Note: Replaced parts shall be supplied and paid seperately.

Supply only following spare parts required for 5-10 HP monoblock pump set including taking down old one complete all as specified and directed.

Bearing.

Terminal plate with brass nuts ,washers.

Impellar.

Se following Spare parts for 10 HP centrifugal pump model 6 UP 4 (1600 GPM) including taking down old one complete all as specified and directed.

Rubber coupling.

Bearing No 6309.

S&F Motor starters for submersible water pump set heavy duty DOL starter type MK I with robust 4 pole contactor & LR1D Overload relay in SS enclosure, suitable for 5 HP 3 phase complete all as specified and directed.

S&F Motor starters for submersible water pump set, heavy duty, DOL starter type, DX-P with robust 2 pole contactor and overload relay type LR7D & SS enclosure, suitable for 0.5 to 3 HP single phase AC2D with wide band operating coil complete all as specified and directed.

Supplying Chlorinated water testing kit with coloured sample complete with all testing fitments and OT solution in rexine finish/wooden box/PVC box complete all as specified and direcetd.

M&L Collection and testing of water sample collected from taken over points at Madukkarai and tested in any authorised Government approved lab/NABL and obtain the water testing report and submit to AGE(I) office complete all as specified and directed. Note: 1) 5 Ltr sealed bottle used for collecting the sample shall be provided by the contractor. 2) Testing of water for physical and chemical parameters shall be deemed to be included in quoted rate.

Supply High strength calcium based granular chlorination chemical of White granules: Granular size: (Mess passing through - 100 BSS) 1:1 (=0.1%), Water/Moisture: 5.00 (0.2%), other insoluble calcium salt: 1.1 (+0.1%), mercury and other heavy metal containment: BDL.Strength of items of quantity of chlorination chemical required to obtain free chlorine of 1 PPM per one lakh liters of water and chlorination chemical must contain acceptable level of granular size to avoid exit complete all as specified and as directed.

Supply only Bleaching powder for water treatment complete all as specified and directed.

Supply only alum sulphate complete all as specified and directed.

KUMAR AGENCIES

M/S SHAJAHAN BUILDERS

shalom constructions

p.chinnasamy