REPAIR MAINT OF RO PLANTS CLEANING OF OH TANKS AND CONNECTED WORKS AT RASPUNJA MIL CAMP, OD ALIPORE SAHPORE MIL CAMP AND HASTINGS AREA UNDER GE (CENTRAL) KOLKATA

Amount

M&L for quarterly cleaning of RO water storage tank of capacity 5000 ltrs with bleaching powder by blocking the inlet/outlet flow from manholes, lifting the excess semi-solid water out of the sump, removing the entire deposited sludge, mud, silt etc scrapping the internal wall/floor with wire brush (to remove deposited scales, mud etc from the walls/floors by using suitable T&P manually from the bottom of the tank) and removing the same at a distance n exc 50m from the site where directed,opening the blocked holes etc before normalising flow complete all as specified and as directed by Engr -in-charge. Note:- (1) contractor has to pump out the storage water at his own arrangement before cleaning the the tank) (2) Cost of earth work in excavation required for digging the borrow pit and burring the the waste materials / sludge in the borrow pit and sealing the pit with fine sand & spreading bleaching powder shall deemed to be included in the rate quoted. (3) All cleaning should be done on quarterly basis from srl no. 1 to 4.

All as per item No 01 here-in- before but service tank 2000 Ltr capacity

All as per item No 01 here-in- before but service tank 1000 Ltr capacity

All as per item No 01 here-in- before but service tank 500 Ltr capacity

Supply and fixing pressure pump of head range: 6-24 m of capacity 0.5 HP complete testing all as specified and as directed.

Taking out of pump from existing position dismantling and repairing of pressure pump of any type up to 1 hp capacity rewinding the same with super enamelled copper winding wire as per existing gauge and turn to achieve required RPM, replacement of ball bearing, bush, impeller, connection wire, cooling fan of motor, oiling etc complete testing all as specified and as directed.

M&L for overhauling of RO plant of capacity 400/600/1000/2000 LPH opening the pump set from RO, dismantling the parts for inspection, replacement of all u/s parts i.e bushes bearing impellers, rewinding of 2/3 HP, 3 phase motor winding and replacement of viltroli coupling shaft seal complete to build up the pressure for smooth functioning of RO plant complete all as specified and directed by Engr-in-Charge. Note : (i) Chemical analysis Lab test : (1. TDS 2. PH 3. Micro biology (ecoly / coliform count) 4. Silica 5. Iron) of RO Plant treated water of various area from any Govt. approved laboratory including collection of water in sterillized bottle for testing and submission of the test report (ii) Testing to be carried out on each plant and once in every qtr)

S&F in repair micron catridge capacity 10" slim complete all as specified and direted by Engineer-in-Charge.

S&F in repair micron catridge capacity 20" slim complete all as specified and direted by Engineer-in-Charge.

S&F in repair micron catridge capacity 20" big blow jumbo cartridge complete all as specified and direted by Engineer-in-Charge.

S&F in repair carbon block filter 20x2" including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge.

S&F flow meter of RO plant up to capacity of 1000 LPH including taking down of old unserviceable one complete all as specified and as directed by engr-in-charge.

S&F in repair reverse osmosis membrane of cap 10 LPH (80 gpd) model No. INDRO including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge.

S&F in repair reverse osmosis membrane of cap 250 LPH model No. INDRO-43 including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge.

S&F in repair reverse osmosis membrane of cap 500 LPH model No. INDRO-43 including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge.

S&F in repair reverse osmosis membrane of cap 1000 LPH model No. INDRO-43 including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement reverse osmosis pressure pump of capacity 100 LPH complete all as specified and directed.

All as per item No.17 Here -in- before but for Cap 60 LPH.

All as per item No. 17 Here -in- before but for Cap 40 LPH.

All as per item No. 17 Here -in- before but for Cap 30 LPH.

S&F in repair multiple valve of capacity 25/40mm for RO plant including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge.

Supply only sodium bicarbonate food grade ( Anti chlorine) complete all as specified and directed by Engr-in-Charge.

Supply only Anti sclalant complete all as specified and directed by Engr-in-Charge.

Supply only common salt for controlling of hardness of water of approved quality at water treatment plant complete all as directed. Note : Transportation charges of qty as required to water treatment plant located at site shall be included in the quoted rates.

M&L for repairing of TDS meter of RO plant capcity 1000/2000 LPH display of flow rate including TDS, pH etc from OEM complete all as specified and as directed by Engr-in-charge.

Dismantling of high pressure single head adjustable gear motor of chemical Decrine dosing pump of capacity 6 ltr/hrs and separating the unserviceable parts cleaning the serviceable parts, re-assembling including replacement of old unserviceable parts all as specified. Note:- Spare parts will be measured and paid separately as supply only.

Supply only heavy duty PVC pipe of suitable size to with stand 5KG/Cm 2 pressure suitable for decrine dozing pump to rising mains all as specified and as directed by Engr-in-charge.

Supply only ring seal valve for Decrine dosing Pump complete all as specified and as directed by Engr-in-charge.

Supply only foot valve assembly suitable for decrine dosing pump complete all as specified and as directed by Engr-in-charge.

Supply only diaphram valve suitable for decrine dosing pump complete all as specified and as directed by Engr-in-charge.

Supply only discharge valve suitable for decrine dosing pump complete all as specified and as directed by Engr-in-charge.

Supply only traditional calcium hypochlorite based Granular disinfectant for water treatment packed in 45 KG plastic Drum complete all as specified and as directed by Engr-in-charge.

S&F in repair reverse osmosis UV light cap 250 LPH including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge.

S&F in repair reverse osmosis UV light cap 500 LPH including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge.

S&F in repair reverse osmosis UV light cap 1000 LPH including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge.

JAIN CONSTRUCTION AND ENGINEERS (BID ID -3197493)

RANJIT KUMAR HALDER (BID ID -3201796)