REPAIR / MAINTENANCE OF SEWAGE PUMPS/PIPE LINES AT VARIOUS SEWAGE PUMP HOUSE AND ALLIED WORKS AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) (DM) VISAKHAPATNAM

Amount

Weekly cleaning of entire sewage pump house complex, inside wall, ceiling, floor and outside wall, plith protection, and surrounding upto 5 mtr with suitable brush / broom / wiper and removing wild vegitation 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: (i) Recovery shall be made double the quoted rate if timely cleaning not carried out). (ii) Date of cleaning of each pump house shall be recorded in MB. (iii) All four pump house shall be measured together and shall be considered for one Job)

Material and labour for ACTIZYME pallets in the sewage chamber of various sewage sumps mixed in the ratio of 1(ACTIZYME): 10000(water) Kgs. with water complete all as specified and as directed. (Note :- Only net weight of ACTIZYME pallets shall be measured)

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 pumping out to portable civil sewage collection vehicle from 4.5 M dia x 5.0 M deep at bldg.18 and DSC Block sewage pump house complete all as specified and as directed.

All as per item No 3.00 above but for 3.0 x 3.0 M at a depth of 8 M at DMC block complete all as specified and as directed.

All as per item No 3.00 above but for 6 x 6 M at the a depth of 15 M at SDD and NDD complete all as specified and as directed.

M & L HP of pump for lifting of submersiable sewage pump set including column pipe from sump depth upto 15 mtr after dismantling column 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-assamble after repair and insertion of pump to sump with re-connection of all column pipes with new nuts, bolts, washers, steel support rope, electric cables complete all as specified and directed. (Repair overhauling of pumpset & motor, column pipe will be measured and paid separately).

M&L for transportaion of non-clog submersiable 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 as directed.

Material and labour for rewinding of submersible motor 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 of 20 HP capacity complete all as specified and as directed.

All as per item No 9.00 above but of 15 HP capacity

All as per item No 9.00 above but of 10 HP capacity

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

All as per item No 12.00 above but of 15 HP capacity

All as per item No 12.00 above but of 10 HP capacity

Servicing/maintinance of Starter Panel board in sewage pump house comprising one incoming MCCB, 03 outgoing MCCB ,busbar , metering equipment etc 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 complete all as specified and as directed for workshop sub station. Note:- (i) Panel Meter, indicator lamp, MCCB, pump starter and CT shall be measured and paid seperately as supply only. (ii) required aluminium cable lugs, metering cables and nuts-bolts-washers panel knobs shall be inclusive in the quoted rate.

Supply only current transformer (CT) of 40/5, 60/5, 100/5 ratio resin cast type wound Make:-GE/Kappa/Rishab/AE

Supply only single phase preventor, as per existing LT panel. Make- L&T, ABB, Siemens and C&S-

Supply only MCCB 100 Amps, 4 pole, 25KA.

Supply only MCCB 63 Amps, 3 pole, 25KA.

Supply only MCCB 40 Amps, 3 pole, 25KA.

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 as directed.

All as per item No 23.00 above but of size 100 mm bore

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 Neoprin rubber gasket nuts, bolts and washers complete all as specified and as directed.

All as per item No 25.00 above but of size 80 mm bore, 6mm thick

S&F Submersiable cable 3 core flat type, copper conductor of 6sqmm, size complete all as specified & directed make- Havells/Polycab/Finolex/Plaza

Labour only for attending break down of pipe line (sewage) 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 etc as per site requirement, testing for leakages of lead joints, testing and necessary dewatering by using necessary pupms, mechanical excavator complete all as specified and directed by Engineer-in-charge for the bore of CI/DI pipe 150 mm. 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 in pipe line gallery in jetty area and equired for fixing CI/DI/MS pipes.

All as per item No 28.00 above but of size 100 mm bore

All as per item No 28.00 above but of size 80 mm bore

S& F of SS chain SS-304 link non magnetic type of 12mm dia by removing the unsv /broken chain for lifting of pumps/motors from the sump complete all as specified and as directed including taking out old one.

KRISHNA ENGINEARING

ANJANA ENTERPRISES

SRI DHANESWARI ENGINEERING WORKS

M/s Vinayaka Associates

SRK PROFESSIONAL ENGINEERING

SREE CHANDRA CONSTRUCTIONS