REPAIRS REPLACEMENT AND MAINTANANCE OF CENTRIFUGAL PUMP AND MOTORS AT VARIOUS PUMP HOUSES AND MAINTANANCE OF WATER TREATMENT AND WATER SUPPLY INSTALLATIONS AND ALLIED SERVICES AT AF AREA UNDER GE AVADI

Amount

Dismantling and removing the following type and capacity of PUMP SET, AC, Three phase, 415 Volts, 50 Hz, any make / model / type, from its foundations/ base frame located at different pump houses, by disconnecting suction, delivery pipes, pump couplers and electrical connections, taking it to workshop for repair and reassembling the pump, refixing back to its postion after getting repair and making all connections, testing for satisfactory function all as specified and as directed:-

100/90 HP Centrifugal pump set

15 HP Centrifugal pump set

10 HP Centrifugal pump set

5 / 7.5 HP Centrifugal pump set

Upto 3 HP Centrifugal pump set

Dismantling and opening up of PUMP assembly of following capacities complete, removing worn out shaft, bushes, bearings, lock keys, casing ring, air release valve, gaskets etc., and replacing with new parts of same make/model/type including necessary machining works as required, all as specified and as directed :-

100/90 HP Centrifugal pump set

15 HP Centrifugal pump set

10 HP Centrifugal pump set

7.5 HP Centrifugal pump set

5 HP Centrifugal pump set

2/3 HP Centrifugal pump set

1 HP Centrifugal pump set

Dismantling and removing the following type and capacity of MOTOR of pump sets ( Motor only ) , AC, Three phase, 415 Volts, 50 Hz , any make / model / type, from its foundations/ base frame located at different pump houses, by disconnecting electrical connections and pump couplers, taking it to workshop for repair and reassembling the pump, refixing back to its postion after getting reapir and making all connections, testing for satisfactory function all as specified and as directed:-

100/90 HP Centrifugal pump set

15 HP Centrifugal pump set

10 HP Centrifugal pump set

7.5 HP Centrifugal pump set

5 HP Centrifugal pump set

2/3 HP Centrifugal pump set

1 HP Centrifugal pump set

Dismantling and opening up of MOTOR AC, Three phase, 415 Volts, 50 Hz , of following capacities removing burnt out winding wires complete, cleaning stator and rotor assembly, rewinding the stator with same guage and type of insulation copper conductor winding wires and insulation sheets, applying insulating varnish over the complete winding, drying up by heating, assembling back the stator and rotor including replacement with new terminal blocks and terminal bolts and nuts, both end bearings with same size / make complete all as specified and as directed :-

100/90 HP Motor

15 HP Motor

10 HP Motor

7.5 HP Motor

5 HP Motor

2/3 HP Motor

1 HP Motor

Material and labour for dismantling the existing unserviceable bearing from centrifugal pump set of 90 HP capacity and supply and fix new Roller bearing No. NG-631 for 90 HP pump set all as specified and as directed.

Material and labour for dismantling the existing unserviceable bearing from centrifugal pump set of 100 HP capacity and supply and fix new Roller bearing No. NG-216 for 100 HP pump set all as specified and as directed.

Dismantling and taking down the unserviceable Star / Delta starter, Supply and fix Motor Starter, Star / Delta type, suitable for operation on AC, Three phase four wire , 415 Volts, 50 Hz supply for Motor of capacity 60/40 HP with relay. Make : - Cutler Hammer/L & T

All as per item no 7 hereinbefore but 20/25 HP

All as per item no 7 hereinbefore but 10/12.5/15 HP

Supply and Fix direct - on - line type starter suitable for operation three phase, 415 volts, 50 Hz of capacity upto 7.5 HP after dimantling and taking out unserviceable starter complete, all as specified and directed. Make : - Cutler Hamme/L & T

Material and labour for power/Sub main wiring with THREE RUNS of single core 10 Sqmm PVC insulated, un sheathed, multi stranded copper conductor cables drawn through and including rigid PVC CONDUIT 40mm dia and accessories, all confirming to IS specifications, fixed on wall/ceiling/trusses etc, with suitable clamps, screws etc, and connecting up with terminal lug all as specified and directed..

All as per item No 10 here-in-before but of THREE RUNS of single core 6 Sqmm size drawn through rigid PVC CONDUIT 32mm dia.

Note for Item Nos 9 and 10 : Three runs of cable and one run of conduit shal be measured as one length

Supply and fix tyre coupling along with flanges, nuts, bolts, washers etc suitbale for 90/100 HP capacity pump incluiding all machining works and including taking down the old coupling all as diected.

All as per item No 11 above but suitable for 60/40 HP capacity pump

All as per item No 11 above but suitable for 25 HP capacity pump

Material and labour for Electrical Earthing complete with GI plate Electrode of size 60 Cm X 60 Cm X 6.3 mm thick buried directly in ground vertically at a depth not less than 2.25 metre below ground level, with top edge of earth plate at a depth not less than 1.5 metre below normal ground level , connected to Aluminum earth lead strip 25 X 4 mm size by means of bolts, nuts and washers of galvanized iron, earth lead protected by means of 32 mm dia light grade GI pipe up to switch board / panel board , all as specified and shown in MES schedule Electrical Plate No 3 of SSR Part I, including excavation and earth work in any type of soil PCC 1:2:4, type B1 in chamber, RCC 1:2:4 type B1 40 mm thick cover slab with 8 mm dia TMT bars at 140 mm centre to centre both ways, with 6 mm dia MS hook, Charcoal dust, salt , 25 mm dia GI pipe medium grade for watering with funnel complete all as specified and as directed.

All as per item no 12 here-in-before but using galvanised iron strip 32X6mm as earthing lead and 40 mm dia GI pipe light grade for protection of earth lead.

Supply and install moulded case circuit breaker 3 pole, 415 volts, 50Hz of capacity 400 Amps 36 KA, including taking down the unserviceable MCCB from the LT motor starter panel all as specified and as directed.

All as per item No 14 here in above but 250 Amps 36 KA

All as per item No 14 here in above but 200 Amps 36 KA

All as per item No 14 here in above but 100 Amps 16 KA

Material and labour for Dismantling and Taking up U/S GI water pipes of 100 mm sizes (including all fittings) with flanged ends / supply and fix Cast Iron pipe of size 150 mm dia with flanged ends, vertically cast, class 'B' in any length including all jointing materials, bolts & nuts etc., complete all as specified and as directed

Supply and fixing following sizes of SUBMERSIBLE CABLE PVC insulated and sheathed flat 3 core, 1100 Volts grade with multi stranded copper conductors from starter to pump set including testing and commissioning .

3 core 4 sqmm

3 core 6 sqmm

Supply and fix valve butterfly conforming to IS-13095 including necessary jointing material complete of following sizes including dismantling / taking up and removing the existing unserviceable valve complete all as specified and as directed

200mm dia

150mm dia

100mm dia

80mm dia

Supply and fix cast iron Reflux valve with By-Pass arrangements of following sizes, ISI marked, with flanged ends and suitable holes drilled including rubber gasket 3mm thick MS bolts, nuts and washers, necessary machining works as required at site including dismantling / taking up and removing the existing unserviceable valve complete all as specified and as directed.

150 mm dia

100 mm dia

Taking down the un-serviceable foot valve from sump or well, Supply and fix cast iron foot valve of 150mm size, ISI marked, with flanged ends and suitable holes drilled including rubber gasket 3mm thick MS bolts, nuts and washers, necessary machining works as required at site complete all as specified and as directed.

Material and labour for supply, fabricate, errect, connect, test and commisoning starter panel board, AC, 415 volts, 3phase, 4 wire 50Hz, Indoor type, industrial cubicle factory fabricated, outer shell with 3mm thick and inner shells with 2mm thick MS sheet, top with sloping canopy, weather proof, dust and vermin proof protection as per IP 54, multi tier arrangment of switch gear, encasing indiviudal switchgear, bus bars, meters and internally pre wired with suitable size copper conductor cables, cable entry / exit in separate cubicles, bottom with angle iron / channel supports, front with hinged type doors and locking arrangement for each cubicle, bottom with detacheable sheets with holes for cable glands, complete panel boards epoxy powder coated finish and mounted on PCC pillars with bolts grouted, including supplying, fixing, connecting and testing comprising of following switch gear, meters etc., all as specified and directed:-

(a) MCCB TPN, 200 Amps, 35KA - 01 Nos

(b) Aluminium bus bar TPN 400 amps

(c ) MCCB TP 160 Amps 35 KA - 02 Nos

(d ) MCCB TP 63 Amps 35 KA - 02 Nos

(e ) MCCB TP 32 Amps 35 KA - 02 Nos

(e ) MCB TPN 63 Amps 25 KA - 01 Nos

(f) Star-Delta starter of capacity 40 HP - 01 No

(e) Star-Delta starter of capacity 60 HP - 01 No

(e) Cable gland suitable for 95/120 Sqmm, 4 core cable - 02 Nos

Supply and filling Sodium hypochlorite solution ( chlorine solution) 10 to 12 % concentrate w/v Grade conforming to IS 11673 : 1992 specification in 35 litre PVC container Make:-vasu chemicals / senthil chemicals / SJ equipments SPA Chemicals & Water Solutions Note:- (a) Chlorine solution shall be supplied in PVC container of 35 liters capacity. The PVC container shall be marked with Name of manufactures, batch Number, Date of manufacturing, Self life, (Expiry date) of solution , ISI marking etc. Necessary Test certificate from manufacture for each supply. (b) The cap of the container shall be properly sealed by the manufacture and shall be delivered in sealed container. Empty PVC container shall become property of contractor after use.

Supply and filling Clacium Hypochlorite 65%-70% hi grade Chlorine Content (Calcium based granular disinfectant for water treatment ISO 9001,1400, and OHSAS 18001 (packed in 45 kg Drum) Make:- Aquafit

Supply and filling Alumina ferric ISI Marked grade II , Type -1 in slabs of 20 Kgs conforming to SI 299:1989 unpacked with additional requirement for purification of water containing leafd (PB) 30 PPM Maximum and Arsenic (AS per ISO 203) 6 PPM maximum all as specified and directed. Make : DELIBEC

Supply and handover the Chlorine Water testing electronic Kit to testing of drinking water all as specified and directed by Engineer-in-Charge.

Supply & laying GI tubing medium grade including all fittings such as bends, tees, nipples, check nuts, union etc., in trenches/ fixed on walls/ roof/ fixed inside the shallow well as directed including taking down old pipe of following sizes.

15mm bore medium grade

20mm bore medium grade

25mm bore medium grade

50mm bore medium grade

80mm bore medium grade

Material and labour for Run lead joint including all necessary, jointing material (old recovered lead from the leaking joint shall not be reused) for the following size of pipe :-

300mm dia

200mm dia

150mm dia

100mm dia

80mm dia

Supply and fix Cast iron sluice valve with cast iron wheel stainless steel spindle water quality conforming IS - 14846 - 2000 class PN - 1, short bodies ISI marked of the following size including taking out unserviceable sluice valves all as specified and as directed:-

300mm dia

200mm dia

150mm dia

100mm dia

80mm dia

Supply and fixing CI specials like collar, Tees, Socket, bend taper etc., suitable for CI pipes of sizes upto 150mm bore including taking down old specials all as specified and as directed.

Supply and laying/fixing UPVC pipes of sizes 50 mm bore (inner dia), grade SCH-80 with ISI marked all as specified and as directed.

All as per item No.32 but sizes 25 mm bore (inner dia)

All as per item No.32 but sizes 20 mm bore (inner dia)

Supply and fixing Ball valves 20mmbore high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball (minimum weight 210 gms) all as specified and as directed.

Supply and fixing Ball valves 25 mm bore high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball (minimum weight 455 gms) all as specified and as directed.

Supply and fixing Spun yarn of sterilized quality and free of oil or greasy substance all as specified and directed

Material and labour to insert the GIand packing of suitable size all as specified and directed

Supply and fixing PP-R Polypropylene random copolymer pipes 15 mm bore dia 3-Layer SDR 7.4 & SDR 11 UV stablised and antmicrobial welded having thermal stability for hot and cold water supply all as specified and as directed.

All as per item No.39 pipes 20 mm bore

All as per item No.39 pipes 25 mm bore

All as per item No.39 pipes 32 mm bore

All as per item No.39 pipes 40 mm bore

All as per item No.39 pipes 50 mm bore

All as per item No.39 pipes 63 mm bore

All as per item No.39 pipes 80 mm bore

Material and Labour to cutting vegetation and unwanted bushes, weeds and plants, cleaning from the installation permises all specified and directed

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth and getting out in any type of soil for taking out/ laying of GI pipe all as specified and as directed.

Returning, filling in soil including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick suing soil obtained from excavation all as specified and as directed.

Removing the excavated surplus soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point all as specified and as directed.

muthu constructions

B K R ENTERPRISES

D Subramani and Sons

EASHWAR ELECTRICALS

R K ARUMUGAM

S Mohan