REPAIR/ REPALCEMENT/ MAINTENANCE OF DOSING PUMPS, FILTER MEDIA AND WATER SUPPLY DISTRIBUTION SYSTEM 100MM TO 200MM AND CONNECTED WORKS AT AFS KUMBHIRGRAM.

Amount

Excavation in trenches not exc. 1.5 Mtr wide and not exc 1.50 Mtr in depth for foundation etc. and getting out in soft/loose soil complete all as specified and as directed.

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

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

Taking down old unserviceable GI pipe 100/150 mm.

Supply, laying, jointing and testing of 100 MM bore galvanized steel water tubing, medium grade, with all necessary fittings, laid in trenches complete all as specified and directed.

All as per item No 5. here in before but 150 MM bore tubing.

Taking down unserviceable sluice valve 100/150 mm.

Supply and fixing 100 mm dia sluice valve of class PN 1.6 both side flanged with SS spindle including accessories complete all as specified and directed.

All as per item No 8. here in before but size 150 MM bore tubing.

Disconnect the existing connection of GI pipe size 20/25/32/40/50 mm from the main down comer GI pipe of size 100/150 mm complete all as specified and directed by Engr-in-charge.

Material and labour for welding work for the connection of GI pipe size 20/25/32/40/50 mm from the new GI pipe of size 100/150mm complete all as specified and directed by Engr-in-charge.

Taking down old unserviceable GI Pipe line of size 20/25/40/50/80 mm.

Supply, laying, jointing and testing of 20 MM bore galvanized steel water tubing, medium grade, with all necessary fittings, laid in trenches or fixed to wall with suitable clamps complete all as specified and directed.

All as per item No 13. here in before but 25 MM bore tubing.

All as per item No 13. here in before but 40 MM bore tubing.

All as per item No 13. here in before but 50 MM bore tubing.

All as per item No 13. here in before but 80 MM bore tubing.

Labour for taking out filter media complete from pressure filter of capacity 10000 GPH (over all size of the pressure filter 2000mm dia x 2795mm overall hight) and depositing the same and removal of unserviceable materials to a distance not exc 50m including complete servicing / overhaulling of pressure filter / back wash complete & repair of butterfly valves complete all as specified and directed.

Material and labour for scrapping, cleaning and removing of all scales and dirts etc from the internal surfaces of pressure filters and applying one coat of black bituminous paint (suitable for drinking purpose) complete all as specified and directed.

Supply and lay filter media using followings materials in layers as specified against each items starting from the bottom to top for 30 cm deep, complete all as per specified and directed :- (i) 1st layer with filter gravels of size 25mmX12mm - 0.37 Cum. (ii) 2nd layers with filter gravel of size 12mmX06mm - 0.37 Cum. (iii) 3rd layers with filter gravel of size 06mmX03mm - 0.37 Cum. (iv) 4th layers with filter gravel of size 03mmX05mm - 0.37 Cum. (v) Filter Sand 10 x 24 mesh - 2.50 Cum. (vi) Filter Sand 16 x 32 mesh - 0.50 Cum .

Taking down old unserviceable butterfly valve complete all as specified and directed.

Supply and fix butterfly valve of size 100 mm complete all a specified and directed.

Taking down old unserviceable PVDF filter nozzle complete all as specified and directed.

Supply and fix PVDF filter nozzle mushroom type for water treatment plant corrosion resistant and compatible with pressure vessels whether threaded / flange type up to 10 Kg/cm2 complete all as specified and directed.

Taking down old unserviceable water pressure gauge complete all as specified and directed.

Supply and fix in replacement of water pressure gauge up to 100 kg/cm2 complete all as specified and directed.

Supply and fixing fabricated flat / angle iron complete Fe-290 or Fe 300 to support strainer etc as per site requirement complete all as per specified and directed.

Material and labour for preparation of (external surfaces of pressure filter) by removing of all foreign material from existing surfaces and cleaning throughly the surface and complete drying the surface and applying two coats of synthetic enamel paint (First quality) complete all as specified and directed.

Material and labour for preparation of old GI Pipe upto 100 mm external surface incl all fittings and valves complete at site by removing of all foreign material from steel surfaces and cleaning throughly the surface and complete diycyling the surface and applying two coats of synthetic enamel paint (First quality) complete all as specified and directed.

Dismantling and taking out from pipe, CI Sluice valve/ NRV/ ARV/ Foot Valves etc of any size, removing from site upto 100mm, complete all as specifed and directed.

Supply and fix for CI Sluice valve of type PN-1.6 and size 80 mm bore with gun metal raising spindle, both ends flanged conforming to IS-14846-2000 and drilled with necessary holes for bolts including jointing material viz nuts, bolts, rubber gaskets etc with iron wheel head including flanged joints complete all as specified and directed.

All as per item No 31 here-in-before but 100 mm bore

Supply and fix for cast iron Air release valves CI 026, 100MM (4 inch) flanged end PN-10, complete all as specified and directed

Supply and fix for cast iron Non return valve (Reflux) valve 100 mm dia Class PN-1.0 with flanged and gun metal working parts conforming to IS-4038 complete all as specified and directed.

All as per item No 34 here-in-before but 80 mm bore.

Supply and fix for Foot valve 100 mm dia with flanged end and gun metal working parts conforming to IS-4038 complete all as specified and directd

Supply, installation, testing & commissioning of reciprocating dosing pump, high pressure, single head, gear motored adjustable dosing pump having output of 2 U.S. GPD to 40 U.S. GPD and adjustable high pressure of up to 100 PSI, 230V, 50 Hz, 44 RPM, 1/30 HP Fractional with accessories including lead, tubing, connection nuts, injection check valve, clay weight and ferrules on exing pipe for dosing complete all as per specified and directed. Make :- Declibac Model 96 NGQ51 or equivalent model

Taking down old unserviceable starter of any size.

Material and labour to replace of worn out fully automatic star delta starter complete of capacity of 30 HP Model MN 25 FASD, in Sheet steel enclosure Type MN/ ML (Motor rating AC-3 duty, 415V, 50Hz, 3-Ph confirming to cat part No SS94364 (L&T) or equivalent, including electrical connections, lugs etc with PCC required for grouting in floor/ wall completed all as specified and directed

Material and labour to replace of worn out fully automatic DOL starter complete of capacity of 15 HP Model MN 32 DOL in Sheet steel enclosure Type MN/ ML (Motor rating AC-3 duty, 415V, 50Hz, 3-Ph confirming to cat part No SS94353 (L&T) or equivalent, including electrical connections, lugs etc with PCC required for grouting in floor/ wall completed all as specified and directed.

Material and labour to replace worn out fully automatic DOL starter complete of capacity of 10 HP Model MN 16 DOL confirming to cat part No SS95974COEO (L&T) or equivalent, including electrical connections, lugs etc with PCC required for grouting in floor/ wall completed all as specified and directed.

Material and labour to replace worn out fully automatic DOL starter complete of capacity of 5 HP confirming to cat part No SS97756COVO (L&T) or equivalent, including electrical connections, lugs etc with PCC required for grouting in floor/ wall completed all as specified and directed.

Material and labour to replace worn out fully automatic DOL starter complete of capacity of 3 HP confirming to cat part No SS97756COTO (L&T) or equivalent, including electrical connections, lugs etc with PCC required for grouting in floor/ wall completed all as specified and directed.

Material and labour to replace worn out fully automatic DOL starter complete of capacity of 2 HP confirming to cat part No SS96210PORO (L&T) or equivalent, including electrical connections, lugs etc with PCC required for grouting in floor/ wall completed all as specified and directed.

Material and labour for making flow chart diagram of 4x4 feet using different colours on 5mm thick flex sheet of size as directed at site including fixing on installation complete all as specified and directed.

Supply and fix single phase preventer relay for the voltage between 280 to 520 V AC (L-L) confirming to cat part no SPPA2M2 (Selec) complete all as specified and directed.

Supply only PH test meter digital hand held suitable for measuring PH level of water complete with the following specifications. (a) Digital calibration (Push button) to any point within the meter's range.

Supply only in replacement of TDS meter for measuring electrical conductivity (EC), total dissolved solids (TDS) and having following specifications. (a) Measures Conductivity, TDS and Temperature. (b) Adjustable Conductivity to TDS ratio factor from 0.4 to 1.0 — conveniently calculates the TDS value. (d) Simultaneous display of Conductivity or TDS, plus Temperature. (e) Two ranges for Conductivity and TDS with one point calibration per range.

Supply only dosing pump tube (Part No - MCCP207-B) complete all as specified and directed.

Supply and fixing of agitator (Stirrer) with motor suitable capacity of 100 litres chlorine dozing PVC tank complete all as specified and directed.

Supply only orthotolidine solution (OT) on 450 ml bottle for chlorine test kit complete all as per specified and directed.

Material and labour for earthing using GI earthing strip 32x6mm complete with galvanised steel earth plate electode 600mmx600mmx6mm thick buried directly in ground, earth pit not less than 2.25 meters deep below ground level connection to and including GI strip of size 32x6mm to the extend 7.5 mtr as earth lead by means of GI bolts, Nuts etc. with provision of charcoal and salt all as per electrical plate No 3 of SSR Part I including water arrangement with GI Pipe 20 MM dia (medium Grade), earth lead protection pipe 50mm medium grade with bends, elbow etc. from earth plate to test point, excavation and earth work returning, filling, ramming and removing of soil to distance not exc 50mtr, make good to match with existing surface making PCC pit (Earth chamber) having internal size 30cm x 30cm x 30cm and outer size 60cm x 60cm x 60cm with RCC reinforced cover 50mm thick and testing on completion including making test point on wall as per SSR specification all as specified and directed.

M/S P K ROY AND SONS (BID ID -3199676)

M/S ANITA ROY and SONS (BID ID -3199664)

DEE AAR TRADING (BID ID -3199668)

M/S R A ENTERPRISE (BID ID -3200759)

R K ENGINEERING ASSEMBLE (BID ID -3207134)