REPAIR/ MAINTENANCE OF EXTERNAL WATER SUPPLY UNDER DHQ-3 NEW MANGALORE

Amount

M&L cleaning tank 500 ltrs capacity (Internal and External) by bleaching power and removing all scale and dirt etc from tanks and from mouths of circulating pipes etc.

M&L cleaning tank 1000 ltrs capacity (Internal and External) by bleaching power and removing all scale and dirt etc from tanks and from mouths of circulating pipes etc.

M&L cleaning tank 2000 ltrs capacity (Internal and External) by bleaching power and removing all scale and dirt etc from tanks and from mouths of circulating pipes etc.

Dewatering the water from U/G sump, by any means and clean the interior portion of sump (bottom and Sides of walls) by means of coir/wire brush etc. and wash the interior portion of sump by using bleaching powder and after removal of sludge, vegetation, mud etc. and apply one coat of epoxy paint on all steel surfaces such as ladder, railing etc. and writing letters with white paint (Date of cleaning and capacity of sump) on black painted surface clear away all vegetations, sapling, under growth roots etc. and trees around 5 m the periphery of the sump / structure from external wall surfaces and removing rubbish all as specified and as directed for the following capacities.

Capacity of 1,50,000 Ltrs U/G sump at OTM Accn Bajpe .

Capacity of 1,00,000 Ltrs U/G sump at CGRA Kunjathbail (CPWD Pump House).

Capacity of 75000 Ltrs U/G sump at OTM Accn Bajpe .

Capacity of 50,000 Ltrs U/G sump at CGRA Kunjathbail , DHQ-3 Panambur ,OTM Accn Panambur and DSC Accn Bajpe

Capacity of 40,000 Ltrs U/G sump at CGRA Kunjathbail (Nilgiri Pump House).

Capacity of 25,000 Ltrs U/G sump at CGRA Kankanady.

Draining water from RCC reservoir / RCC OH Tank of 20 m staging at various locations by any means and clean the interior portion of sump (bottom and Sides of walls) by means of coir/wire brush etc. and wash the interior portion of sump by using bleaching powder and after removal of sludge, vegetation, mud etc. and apply one coat of epoxy paint on all steel surfaces such as ladder, railing etc. and writing letters with white paint (Date of cleaning and capacity of reservior) on black painted surface clear away all vegetations, sapling, under growth roots etc. and trees around 5 m the periphery of the reservoir / structure from external wall surfaces and removing rubbish all as specified and as directed for the following capacities.

Capacity of 50,000 Ltrs RCC OH resevoir at CGRA Kunjathbail, CGRA Kankanady and CG DHQ-3 Panambur.

Capacity of 35,000 Ltrs RCC OH resevoir at OTM Accn Bajpe

Capacity of 25,000 Ltrs RCC OH resevoir at CGRA Kankanady

M&L for dismantling the Electrical connection from motor and taking out the burnt 7.5 HP Monoblock motor from beds, transporting to civil work shop, opening the motor and removing the burnt/old defective winding carefully cleaning the inner parts, rewinding the motor with same gauge supper enamelled copper wire of good insulation, varnishing, heating/drying and reassembling the motor and transporting to site, refixing on the existing beds, connecting the electrical connection, testing and commissioning all as directed.

All as per item No 6.00 here in above but 5 HP monoblock pump set complete all as specified and as directed.

M&L fo opening and servicing/ overhauling the monoblock pump and motor 7.5 HP and replacing the defective bearing, greasing replacing the burnout gland rope, studs, nuts, bolts, washers, air releasing valve, rubber gasket, metal filling, turing/ grinding and balancing the shaft etc. varnishing the winding, drying and refixing the same all as directed at site.

All as per item No 8.00 here in above but 5 HP monoblock pump set complete all as specified and as directed.

Supply and fixing in repair the following spares for filter feed pumps of capacity 7.5 HP at various incl taking down filter feed pumps directed by Engineer-in charge.

Pump ball bearing.

Pump water seal

Pump Gland.

Supply and fixing in repair the following spares for filter feed pumps of capacity 5 HP at various incl taking down filter feed pumps directed by Engineer-in charge.

Pump ball bearing.

Pump water seal

Pump Gland.

M&L for disconnecting electrical connection from the starter/panel for submersible pump set of 5/10 HP capacity taking up (unserviceable) pump set including motor from bore well and after repair reinstalling the same and making necessary electrical connection and lowering the pump and motor including transporting testing and commissioning etc all as directed by Engineer - in - Charge. Note : Repair work alongwith spares will be measured in relevant item

M&L for split opening of pump (submersible Pump) multi stage 3 phase 5/10 HP capacity and replacing the worn out shaft sleeve, impeller.bearing, bushes, etc and M&L for machining (remetalling, grinding, etc) the shaft and turning, polishing to shaft supply and fixing suitable size gun metal bushes etc reassembling the pump completely all as directed by Engr-in-Charge.

M&L for split opening of motor (submersible Motor) 5/10 HP capacity and taking out worn out winding and rewinding with copper winding wire as per existing gauge including overall insulation and including replacement of defective parts intermediate sheet bottom and top thrust plate, support bush, oil seal, diaphram, 'O' ring, Key, sand guard and stud and nut complete reassembling the motor complete all as directed by Engr-in-Charge.

M&L for spray painting of Monoblock Pump motor of cap 5 /7.5 HP with two coats of synthetic enamel paint over one coats of primer incl suction and discharge lines after cleaning/scribing it complete all as directed by Engr-in-charge

M&L for demolition of existing unserviceable brick masonry valve chamber, MS cover etc complete all as directed by Engineer-in-charge of any Sizes.

M&L for construction of brick masonry valve chamber of Size 900x900x900 mm (internal Size) with MS cover and locking arrangements including necessary earthwork and excavation, PCC 1:4:8 type D2 in bedding, brick work in CM 1:6, 15mm thick plastering in CM 1:4, PCC 1:2:4 type B1 in coping and two coats of synthetic enamel paint over a coat of primer to steel surfaces complete etc all as specified and directed by Engr-in-charge.

Supplying & Laying GI tubing 25 mm bore of tube medium grade with new all fittings, bend to shape as required on ground, jointing materials (such as white lead, fine yarn as required) laid in trenches, testing after completion for leakage incl taking out old UNSV/ Corroded complete all as specified and as directed.

All as per srl item No 18.00 above but 50 mm dia complete all as specified and as directed.

Supply and fix Gun-metal Globe or Gate valve for 50 mm bore pipe, with iron wheel head screwed both end incl taking out old UNSV complete all as specified and directed.

All as per serial item No 21.00 above but 25 mm bore complete all as specified and directed.

S&F Sluice valve flanged type (PN:1.6) with brass spindle suitable for CI/DI pipe line including all jointing materials such as washers, nut bolts, rubber packing etc and testing complete all as specified ISI marked including taking out old sluice valve of size 150 mm dia all as specified & directed.

All as per item No 24.00 here in above but of Size 100 mm bore

All as per item No 24.00 here in above but of Size 80 mm bore

M&L for laying High density polyethylene(HDPE) pipes of pressure rating 6 kgf/sq. cm of size 40 mm dia laid in treanches including taking down the old u/s pipe all as specified and as directed

Supplying and laying of 25 MM dia CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors complete all as specified and as directed.

All as per item No 28.00 here in above but 50 mm dia complete all as specified and as directed.

Supply and fixing Ball brass valves of size 40 mm, high pressure, with polythene float and flynut complete,screwed for iron pipe or brass ferrule and fixed.

All as per item No 28.00 here in above but of Size 25 mm.

All as per item No 28.00 here in above but of Size 20 mm.

All as per item No 28.00 here in above but of Size 15 mm.

Supply and fix Brass sprinkler nozzle of diameter 20 mm having discharge 36.5 LPM complete all as specified and as directed.

Supply and fix in repairs HDPE water tanks top cover (Lid) for HDPE water tanks complete all as specified and directed

Supply and fix PVC insulated submersible cable 3 core, 6 Sqmm, 1100 volt flat copper conductor, confirming to IS 694- 1940 complete all as specified and as directed.

Supply and fixing in replacement automatic star delta submersible pump controller suitable for 10 HP capacity for submersible pump set, 415 Volts, 3 Phase, 50 HZ including taking out unservicable starter complete .

Supply and fixing overload relay 6-10 amps for DOL starter 7.5 HP. Make: L&T or equivalent

Supply and fixing overload relay 6-10 amps for DOL starter 5 HP. Make: L&T or equivalent

Supply and lay Sodium hypochloride Calcium based, high strength chlorination chemical for water disinfectant in any form granular or in liquid form in factory sealed HDPE container (45/50 Kg each ), chlorine concentration level 40-60% 65-70 % and delivered at STP complete all as specified and as directed

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

Returning filling in including spreading, levelling, watering and well ramming in layers not exc 25cm in hard/dense soil

Removing excavated material(soil) n exc. 50m and depositing where directed at a level n exc. 1.5m above the starting point.

M/s Royalance Corporation (BID ID -3315122)

Shetty Construction Co (BID ID -3315146)