REPAIR REPLACEMENT/IMPROVEMENT OF UNSV GRAVITY MAIN PIPELINES FROM HILL TOP TO JETTY AREA AND OTHER POCKETS SEWAGE PUMPS UNSV SEWAGE PIPELINES AND MODIFICATION OF PIPELINE SUPPORTS AND ATTENDING COMPLAINTS AND BREAKDOWNS AND OTHER ALLIED WORKS AT NAV

Amount

Excavation in trenches not exc 1.5 M in wide and depth for carrying out repairs to jointing pipe and getting out in soft loose soil including dewatering of sub soil water all as specified and directed.

All as per item No. 1.00 above, but in Soft/Disintegrated rock( For road /hard standing cutting)

Returning, filling in soil including spreading, leveling, watering and well ramming in layers not exc 25 cm all as specified and directed.

Removing excavted soil not exceeding 50 M and depositing where directed at level not exceeding 1.5 M above the starting point all as specified and directed.

Dismantling and taking out MS pipe/ci pipe from PCC support for replacement (or) relaying for bore of pipe 150 mm complete all as specified and directed.

Supply, fixing and testing of 150 mm dia Medium grade ( 4.85mm) ERW pipes thick including, making joints with rubber gusket ms nuts & bolts, MS specials in trenches complete all as specified and directed.

Supply, fixing and testing of DI Flanged Pipe / spigot and socket type of class K-7 pipe line of 150 mm including making rubber gusket ms nuts & bolts, MS specials in trenches complete all as specified and directed. Note:-The quoted rate is inclusive of material and labour for flange joint/spigot and socket joint type,

M&L for relaying of MS pipe obtained from item No. 5.00 above after proper cleaning,descalling and fixing to original position for bore of pipe 150 mm including necessary joints with rubber gusket, nuts, bolts & washers all as specified and directed.

Dismantling taking out unserviceable MS/CI pipe from PCC support for replacement or relaying for bore of pipe 200 mm all as specified and directed.

Supply, fixing and testing of 200 mm dia Medium grade ( 4.85mm) ERW pipesthick including, making joints with rubber gusket ms nuts & bolts, MS specials in trenches complete all as specified and directed.

M&L for relaying of MS pipe obtained from item No. 9.00 above after proper cleaning, descalling and fixing to original position for bore of size 200 mm including necessary joints with rubber gusket, nuts, bolts & washers etc all as specified and directed.

Dismantling taking out unserviceable DIpipe from PCC support repair/replacement/ relaying for bore of pipe 300 mm all as specified and directed.

Supply, fix and DI Flanged Pipe of class K-7 pipe line of 300 mm IS: 14849 including with necessary specials complete all as specified and directed.

M&L for relaying of DI pipe obtained from item No. 12.00 above after proper cleaning, descalling and fixing to original position for bore of pipe 300 mm including necessary joints with rubber gusket, nuts, bolts & washers etc all as specified and directed.

Material and labour for flange joint suitable for MS pipe line of 200mm dia including new MS flange of thickness 10mm welded to MS pipe line including provision of Neoprene rubber gasket nuts, bolts and washers complete all as specified and directed.

All as per item No.15.00 above, but of size 150 mm bore, 8mm thick

Supply, fix, install test and commissioning CI sluice valve flanged type 300 mm dia PN 1.6 fitted with hand wheel including fixing to pipe line with gusket, nuts, bolts and washers complete and taking out old unserviceable sluice valve from pipeline all as directed.

Supply, fix, install test and commissioning CI sluice valve flanged type 200 mm dia PN 1.6 fitted with hand wheel including fixing to pipe line with gusket, nuts, bolts and washers complete and taking out old unserviceable sluice valve from pipeline all as directed.

Supply, fix, install test and commissioning CI sluice valve flanged type 150 mm dia PN 1.6 fitted with hand wheel including fixing to pipe line with gusket, nuts, bolts and washers complete and taking out old unserviceable sluice valve from pipeline all as directed.

Supply and fix DI mechanical joint 300mm dia including both end rubber gusket and nuts bolts assembly complete all as specified and as specified and directed.

Supply and fix DI mechanical joint 200mm dia including both end rubber gusket and nuts bolts assembly complete all as specified and as specified and directed.

Supply and fix DI mechanical joint 150mm dia including both end rubber gusket and nuts bolts assembly complete all as specified and as specified and directed.

M& L for painting to old steel surfaces of MS pipe lines with one coats of synthetic enamel paint including preparation of surfaces complete all as specified and directed.

Supply only MS fittings for water pipe line such bends (any type, radius and angle) tapers any type, (straight, bend, increasing, decreasing or double socket etc.) Tee pieces single branch. "Y" junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs including taking out broken CI /MS specials upto 300mm bore all as specified and directed.

Material and labour only for attending break down of freshwater pipeline of 300 mm bore, bursting/cracks including removal of broken pipe pieces of variouslengths through gas cutting/manual as per site requirement and inserting necessary specials such as pipes MS/DIcollar etc as per existing size and requirement and testing for leakages of lead joints, including necessary dewatering by using pumps, mechanical excavator complete etc all as specified and directed by engineer-in-change :- Note 1:- The quoted rate is deemed to be include (i) Arrangement of suitable pump sets for dewatering at the time of breakdown. (ii) Necessary labour/trade men for attending emergency break down . (iii) labour element required for fixing DI pipes, specials fittings (iv) All earth work to carry out manually as well mechanical excuvator and keep mechanical excuvator stand by till completion of work

All as per item No. 25.00 above, but of size 200 mm bore MS/DI pipe

All as per item No. 25.00 above, but of size upto 150 mm bore MS/DI pipe

Repair to valve pits including brick work with subclass `B' bricks, straight or curved on plan exc 6m mean radius, built in 1:6 cement morter incl dismantling taking out unsv one complete all as specified and directed.

Material and labour for rendering 10mm thick plaster on fair faces of brick work or concrete surfaces including dismantling taking out unsv plaster complete all as specified and as directed.

M&L for repair/replacement valve chamber MS cover with frame and fix it firmly to existing valve chamber including necessary pcc works complete all as specified and directed.

M&L Mild steel framed work with structural steel such as angle channel and flat ms section including painting with one coat of red oxide primer and one coats of anticorrosive black bituminous paint incl dismantling mild steel work of any description as including taking out old unserviceable specified and directed by engineer in charge.

M&L for dismatling of foundation PCC, taking out from pump house, carrying to dumping yard inside ND (V) and necessary cleaning at work site all as specified and directed..

M&L for cement concrete type B1, (1:2:4) with 20mm graded aggregate in foundation, filling in and mass concrete all as specified and directed.

Surface dressing of areas of above pipe ines by clearing away all Trees, plants, branches, stems, grass, wild vegetaion, subs, undergrowth, roots not exceeding 60cm in width under clearance complete all as specified and directed

Material and labour for cleaning of sewage sump using Jet water spray to floor & inner wall, removing the sludge/sediments of sewage sump by putting extra pumpset for leftout sewge water in the sump of size 4.5 M dia x 5.0 M deep at DSC Block sewage pump house all as specified and directed.

All as per item No. 35.00 above, but for 3 .0 x 3.0 x 3.0 M at a depth of 8 M at DMC block

All as per item No. 35.00 above, but for 6.0 x 6.0 x 6.0 M at the a depth of 15 M at SDD .

All as per item No. 35.00 above, but for 6.0 x 6.0 x 6.0 M at the a depth of 15 M at NDD.

M&L for Lifting of submersible sewage pump set including casing pipe from sump depth upto 15 mtr after dismantling casing pipe, steel rope stage by stage, taking out complete pump set from the sump, cleaning washing with jet water spray, dismantling pump and motor complete for repair or servicing and re-assemble after repair and insertion of pump to sump with re-connection of all casing pipes with new nuts, bolts, washers, steel support rope, electric cables complete all as specified and directed. Note :- Repair overhauling of pumpset & motor, casing pipe will be measured and paid separately

M&L for transportation of non-clog pump set of 10/15/20HP complete to civil workshop outside ND (V) for overhauling, replacement of worn out impeller, bearing, bushings or for rewinding of motor and return back to ND(V) after repair complete all as specified and directed M&L for servicing, maintenance, repair, overhauling of Motor pump set of 20 HP after, opening of complete motor, checking for defective bearings, Connection plate, Connection terminals, cable lugs, re-assemble, reinstall, at pump base, connection with pump coupling, making proper alignment complete all as specified and directed.

Material and labour for overhauling of upto 20 HP submersible pump by opening all parts, including replacement of defective impeller, bearing complete and re-assemble all as specified and directed

All as per item No.41 above, but of 10 HP capacity

Material and labour for rewinding of submersible motor of capacity 20HP with super enameled copper winding wire as per existing size & turn of wire and heating, varnishing complete including changing of bearings on both ends, thermostat coils, mechanical seals and O rings at drive end complete with refixing in the same location etc., all as specified and directed.

All as per item No. 43.00 above, but of 10 HP capacity

Weekly cleaning of entire sewage pump house complex, inside wall, ceiling, floor and outside wall, plinth protection, and surrounding upto 5 mtr with suitable brush / broom / wiper and removing wild vegetation around sewage pump house complex for the following complex: (i) DSC Block sewage Pump house (ii) Building No-18 Sewage pump House (iii) SDD sewage Pump house (iv) NDD-Dockmaster sewage pump house Note: Recovery shall be made double the quoted rate if timely cleaning not carried out

Supply and fixing MS ERW column pipe, medium grade, 4.85mm wall thickness, 80mm bore, fixed with both end flange and fixed with pump and other pipe with rubber gusket and nuts, bolts and washers (Flange measured separately) complete all as specified and directed.

Supply and fixing MS ERW column pipe, medium grade, 4.85mm wall thickness, 100mm bore, fixed with both end flange and fixed with pump and other pipe with rubber gusket and nuts, bolts and washers (Flange measured separately) all as specified and directed.

Material and labour for flange joint suitable for MS / GI pipe line of 100mm dia including new MS flange of thickness 6mm welded to MS pipe line including provision of Neoprene rubber gasket nuts, bolts and washers complete all as specified and directed.

All as per item No. 49.00 above, but of size 80 mm bore, 6mm thick

Servicing/maintenance of Starter Panel board in sewage pump house comprising one incoming MCCB, 03 outgoing MCCB ,busbar , metering equipment after opening front/top/side/back cover and cleaning using forced air pressure and brushes, cleaning of all dust/durt, complete cleaning of out side surface of panel board using suitable cleaning agents, tighting of all nuts & bolts of busbar/switchgear/cable terminals, repair/replacement to defective metering wiring from MCCB/CT to meter/starters and replacement of defective meters, CTs, indicator lamp, metering terminal blocks, MCB, replacement of defective aluminum cable lugs, nuts-bolts-washers, replacement of defective Panel knob/door knob and hinges all as specified and directed for workshop sub station. Note:- (i) Panel Meter, indicator lamp, MCCB, pump starter and CT will be measured and paid seperately as supply only. (ii) required aluminium cable lugs, metering cables and nuts-bolts-washers shall be inclusive of quoted rate.

Supply only indication lamps (LED type) red, yellow and blue in colours of 22.5 mm dia all as specified and directed. Make:- Cat Part No:-1SFA619402R5201 of Siemens/C&S/schneider/ABB

Supply only current transformer (CT) of 40/5, 60/5, 100/5 ratio resin cast type wound all as specified and directed.

Supply only single phase preventor all as specified and directed.

Supply only MCCB 100 Amps, 4 pole, 25KA all as specified and directed.

Supply only MCCB 63 Amps, 3 pole, 25KA all as specified and directed.

Supply only MCCB 40 Amps, 3 pole, 25KA all as specified and directed.

S&F submersible cable 3 core flat type, 10 sqmm all as specified and directed.

Material and Labour only for attending electrical breakdowns/ checking the serviceability,replacement of minor spare parts in starters,panels,pumps, making the unit completely functional complete all as specified and directed by engineer-in-charge :- Note 1:- The quoted rate is deemed to be include (i) necessary T&P to attend the breakdown. (ii) Necessary labour/trade men for attending emergency break down . (iii) labour element and spares required for making the unit completely functional such as control wiring,terminal bolts copper cables,lugs etc. (iv) PCC work wherever required

Material and Labour for attending break down of sewage line 150 mm bore CI/MS/DI pipepipe line bursting/cracks and including cleaning/removal of broken pipe pieces of various lengths through gas cutting / manual cutting as per site requirement and including inserting necessary specials such as pipes MS/CI collar/Mechanical joints etc as per site requirement, testing for leakages of lead joints, testing and necessary dewatering by using necessary pumps, mechanical excavator complete all as specified and directed by engineer-in-change for the following sizes:- Note 1:- The quoted rate is deemed to be include the following:- (i) arrangement of suitable pump sets for dewatering at the time of breakdown. (ii) Necessary labour/trade men for attending break down . (iii) labour element required for fixing CI/DI/MS pipes, specials fittings Note 2:- Earth work, Lead joints , Supply only CI/DI/MS pipes, specials, fittings, will be measured and paid seperately under relevant items

All as per item No. 62.00 above, but of size 100 mm bore CI/MS/DI pipe

All as per item No. 62.00 above, but of size 80 mm bore CI/MS/DI pipe

Supply, fix, install test and commissioning CI sluice valve flanged type 100 mm dia PN 1.6 fitted with hand wheel including fixing to pipe line with gusket, nuts, bolts and washers complete including taking out old unserviceable sluice valve complete all as specified and directed.

Supply, fix, install test and commissioning CI sluice valve flanged type 80 mm dia PN 1.6 fitted with hand wheel including fixing to pipe line with gusket, nuts, bolts and washers complete including taking out old unserviceable sluice valve complete all as specified and directed.

M&L for painting surfaces of any description, over 10cm in width or girth,with one coat of red oxide/zinc chrome and two coats of synthetic enamel paint specially provided for all as specified and directed.

Earthing complete with copper plate 60×60cm ×3.15mm thick electrode and 20×3mm copper strip as earthing lead, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to 20×3mm copper strip by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion complete all as specified and directed.

Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 20x3mm copper strip complete all as specified and directed.

Supply and mix septic tank cleaner pallets/powder to breakdown sludge, remove odors, blockages and overflow issues, utilizing natural enzymes to breakdown waste and minimize sludge buildup effectively complete all as specified and directed.

M&L for valve chamber of internal size not less than 1200 x 1200 x 1200mm with bottom pcc 1:3:6 bedding of size 100mm and making three side cement brick wall with plastering and two coat of whie wash on plastering complete alongwith cement the surfaces with three coats of white washincl MS sheet cover of not less than 3mm thickness with MS angle not less than 40mmx40mmx5mm including proper locking arrangement and fabrication for sluice valve painting with one coat of red oxide primer and one coats of anticorrosive black bituminous paint and for all as specified and directed.

Supply and fix NRV cast iron of size 100mm complete all as specified and directed

Supply and fix foot valves cast iron of size 100mm complete all as specified and directed

GVR CONSTRUCTIONS (BID ID -3494989)

lakshmi Engineering Works (BID ID -3495053)

M/s.Raghava Enterprises (BID ID -3495557)