OPERATION AND MAINTENANCE OF FRESH WATER PUMP HOUSE, CONTROLLING VALVES, WATER SUPPLY DISTRIBUTION NETWORK AND CONNECTED ITEMS IN RESIDENTIAL AREAS OF NAVAL BASE AT THE AOR OF AGE E/M NO.I OF GE (UTILITY-II) VISAKHAPATNAM

Amount

Operation and maintenance of fresh water pump house consisting of pump sets, LT panel boards, under ground sumps, pumping lines, OHT's at Naval Park round the clock in 3 shifts of 08 hours each including sundays and holidays complete all as specified and directed by Engineer-in -Charge.

Manpower :- One skilled Operator (FGM) per shift. Shift timings:- I st shift - 0600 Hrs to 1400 Hrs II nd shift - 1400 Hrs to 2200 Hrs III rd shift - 2200 Hrs to 0600 Hrs

Details of Equipments/ plants :- (a) 60 HP centrifugal pumpset - 02 Nos (b) 50 HP centrifugal pumpset - 02 Nos (c) Vacuum pump - 02 Nos (d) Submersible pump - 01 No (e) LT panel board - 01 No (f) 1.5 Lakh Gallons capacity UG sump - 1 No (g) 0.50 Lakh Gallons capacity UG sump - 1 No. (h) Suction and discharge valves

Note: (i)n The contractor is fully responsible for the smooth and trouble free operation and timely pumping of water. (ii) The operator shall check and monitor the pumping of water from Booster pump house (Main) to Naval Park. (iii) In case of any abnormal delay in incoming pumping, the operator shall inform the matter to concerned JE or AGE E/M for further orders. (iv) The unit rate is deemed to include the following (a) Maintaining log books, record of repairs/ replacement of perished/ unserviceable, minor adjustments, minor repairs of all accessoried cleaning up keeping of plant & surroundings area neat and clean.

(b) one emergency light and necessary tools should be available in a tool box with operator for smooth functioning of installations. (c) Minor repairs like replacement of gland ropes of the pumps & valves, cleaning / adjustments of starter contractors, replacement of cable lugs inside panel / motor terminals, cleaning and tightening of incoming / outgoing cable lugs of MCCB / relays/ starters, greasing of pump /motor bearings etc.

Operation and maintenance of water supply distribution system of Naval Park and Amzari Park including pumping main valves / Building raising Valves and confirming the water in overhead tanks etc., complete for ensuring water supply to users in 2 shifts of 08 hours each including sundays and holidays complete all as specified and directed by Engineer-in -Charge.

Manpower :- One Valve (Semi- Skilled) Operator per shift. Shift timings:- I st shift - 0600 Hrs to 1400 Hrs II nd shift - 1400 Hrs to 2200 Hrs

Labour for attending GI pipe line complaints (break downs) in buildings upto fourth storey, terrace and plain area for pipe of size 15 mm to 80 mm dia including cutting and threading of pipes as per site requirement complete all as specified and directed by Engr-in-Charge. Note: GI Pipe and fittings shall be measured and paid separately under relevent items.

Labour for attending GI pipe line complaints (break downs) in buildings fifth to eigth storey including terrace for pipe of size 20 mm to 50 mm dia including cutting and threading of pipes as per site requirement including necessary scaffolding and safety measures complete all as specified and directed by Engr-in-Charge. Note: GI Pipe and fittings shall be measured and paid separately under relevent items.

All as per SI item No.4. above but nine to twelveth storey

Supply only GI tubing medium grade of following sizes Note: The Quoted rates shall be deemed to include GI sockets and GI nipple as required at site.

20 mm bore

25 mm bore

40 mm bore

50 mm bore

80 mm bore

Supply & replace 100 mm dia GI tubes medium grade with all fittings fixed to wall and ceilings or laid in floors including necessary scaffolding complete all as specified and directed.

Supply and replacement of 25 mm dia high density polythene pipe (HDPE) of pressure rating 6 Kg/ Sqcm ,including making leak proof joints complete all as specified and directed by Engineer-in-Charge

All as per Sl. Item No.8 above but of size 40 mm dia

All as per Sl. Item No.8 above but of size 50 mm dia

Supply and replace 2000 litres capacity Rotational moulded polyethylene three layer water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position as per site requirement as specified in SSR Part I complete all as directed

All as per Sl. Item No.11 above but of 5000 litres capacity

S&F 20 mm (outer dia) 3-layer PP-R (Polypropylene random copolymer) concealed SDR 7.4 Stabilized and antimicrobial fusion welded having thermal stability for hot and cold water supply all PP-R plain and brass threaded polypropylene random fittings fixed to walls, ceilings etc, complete including taking down old unserviceable GI pipe all as specified and directed by Engineer-in-charge:

All as per SL item No.13 above but of size 40 mm (outer dia)

All as per SL item No.13 above but of size 50 mm (outer dia)

All as per SL item No.13 above but of size 75 mm (outer dia)

Supply and fix 20 mm dia Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed to iron pipe complete including taking down old unserviceable all as specified and directed by Engr-in-Charge.

All as per SL item No.17 above but of size 25 mm dia.

All as per SL item No.17 above but of size 40 mm dia.

All as per SL item No.17 above but of size 50 mm dia.

All as per SL item No.17 above but of size 80 mm dia.

Supply and replace PP-R (Polypropylene random copolymer) gate valve (brass insert) 25 mm dia complete all as specified and directed.

All as per SL item No.22 above but of size 40 mm (outer dia)

All as per SL item No.22 above but of size 50 mm (outer dia)

M&L for maintenance of diesel Engine connected with DG Set 320 KVA for 'B' check as per recomendation of manufacturers instructions including replacement of filters, accessories like fuel filter with ring, Air filter and ring , super bypass filter element , 'O' Ring seal, Oil filter and engine Oil complete all as specified and directed by Engr-in-charge.

All as per SL item No.25 above but 110 BHP capacity Diesel driven pump set

Supply and filling Engine oil 15 W 40 Grade Castrol CRB for topping up (including draining out old oil from Gen Set) complete all as specified and directed. Make : Servo/ Valvoline/ HPCL

Supply and replace 200 mm bore CI non return valve with by pass arrangement with necessary rubber gasket, nuts, bolts, and washers etc., complete all as specified and directed.

All as per SL item No.28 above but of size 150 mm bore

All as per SL item No.28 above but of size 100 mm bore

All as per SL item No.28 above but of size 80 mm bore

Supply and replace CI sluice valves (Raising type) PN 1.6 flanged end of size 80 mm bore for complete with iron wheel head and steel spindle including new flanged rubber joint, blts, nuts and washers etc. complete all as specified and directed by Engineer -in-charge.

All as per SL item No.32 hereinbefore but 100 mm dia

All as per SL item No.32 hereinbefore but 150 mm dia

All as per SL item No.32 hereinbefore but 200 mm dia

Excavation in trenches not exceeding 1.5 m wide and not exc. 1.5 m depth and getting out soft / loose soil for laying of cables, pipes etc, complete all as specified and directed by Engr-in- Charge.

Returning filling in, including spreading levelling watering and well ramming in layers n.exc. 25 cm thick complete all as specified and directed

Removing excavated soil to a distance n.exc. 50 m distance and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and directed by Engr-in- Charge.

M & L Preparation of old painted steel surfaces of any description, over 10 cm width or girth, not otherwise described and applying one coat of synthetic enamel paint. complete all as specified and as directed.

Labour only for attending break down of CI pipe pipe 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, CI / DI Collar / mechanical Joints etc as per site requirement, testing for leakages of lead joints, testing and necessary dewatering complete all as specified and directed by Engr-in-Charge, 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 attending break down. (ii) Necessary labour/trade men for attending break down. (iii) Labour element required for fixing CI/DI/MS pipes, specials, fittings etc. Note 2 :- Earth work, Lead joints, Supply only CI pipes, specials, fittings will be measured and paid seperately under relevant items.

200 mm bore pipe

150 mm bore pipe

100 mm bore pipe

80 mm bore pipe

Supply only CI pipes with spigot and socket ends centrifugally cast , Class 'B' of size 200 dia.

All as per SL. Item No.41 above but of 150 mm bore

All as per SL. Item No.41 above but of 100 mm bore

All as per SL. Item No.41 above but of 80 mm bore

Supply only DI K9 water supply pipe lines of size 200 mm bore with spigot and socket ends complete

All as per SL. Item No.45 above but of 150 mm bore

All as per SL. Item No.45 above but of 100 mm bore

Supply only MS ERW pipe heavy grade pipe 200 mm bore MS pipe, 6.30 mm thick

All as per SL. Item No.48 above but of 150 mm bore 5.40 mm thick

All as per SL. Item No.48 above but of 100 mm bore 4.80 mm thick

All as per SL. Item No.48 above but of 80 mm bore 4.80 mm thick NOTE for SI No. 41 to 51: (i) Labour required for fixing of CI/DI/MS pipe is included in SL item No. 40.

Material and labour for run lead joint for spigot and socket pipes (CI/DI) and fittings of size 80 mm complete all as specified and directed by Engr-in-Charge.

All as per Sl. Item No.52 above but of size 100 mm bore.

All as per Sl. Item No.52 above but of size 150 mm bore.

All as per Sl. Item No.52 above but of size 200 mm bore.

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