REPAIR/REPLACEMENT AND MAINTENANCE OF UNSERVICEABLE WATER PIPE LINES, BORE WELL, MONO BLOCK PUMP SETS AND REWINDING OF SUBMERSIBLE PUMP SET AND ALLIED WORKS AT 1TB, 2TB, 3TB, 4 TB, 26 MADRAS, 202 E/R, TASA HQ, 54 DIV HQ, 76 BDE HQ, SIGNAL COY, INT U

Amount

Disconnecting the suction and delivery pipe line and electric connections of submersible pump set of 7.5 HP / 5 HP and removing it from its original position alongwith pipes and fittings carefully including chain pulley with tripod and transporting the same to the work shop (situated within the twin cities) for repair and refixing the same in its original position after repairs including connecting up of water and electric connections including testing and commissioning complete all as specified. Note:- Expendable stores like cotton waste / cleaning materials, lubricants, gland packing, metal filling, machining and transportation from site to work shop and back are deemed to be included in rate quoted. ii) Labour element is included in unit rate quoted.

M&L for Lowering of submersible pump set of any capacity including all pipes and fittings complete with chain pulley and tripod after cleaning/repairing by means into open bore well and connecting electrical and water connections including testing on full load complete all as specified and directed.

M&L for rewinding of the submersible motor with PVC insulated conductor with super enamelled copper conductor with ‘F’ class heavy grade insulation weight and turns to achieve its full efficiency inclduing tying the winding and connecting the coils and brining the connections as that of exisitng one including applying insulating varnish, heating and backing the windings thoroughly for submersible motor of above 5 HP and up to 7.5 HP capacity including taking down old unserviceable existing copper winding complete all as specified and directed.

All as per item No 3 above but for the submersible motor above 3 HP and up to 5 HP capacity.

M&L disconnecting and removing the water and electric connections carefully from the existing submersible pump sets of capacity up to 7.5 HP for inspection, repairs and reassembling the pump and motor as per the original assembly after repairs / replacing the worn out unserviceable parts with new parts as ordered, including cleaning replacing the minor items like packing bolts, nuts, washers and MS clamps etc and applying one coat of approved hammertene spray paint on exposed steel surfaces, making the pump and motor fully serviceable including matching etc and testing the both after refixing and commissioning the pump set for satisfactory operatrion on its full load complete all as specified and directed. Notes:- (a) The spares required for repair the pump sets will be measured and paid seperetely under respective item. (b) Expendable stores like cotton waste/cleaning materials, lubricants, gland packing, metal filling and transportation from site to work shop and back shall be deemed to be included in rate quoted. (c) Labour elements shall deemed to be included in unit rate.

Supply only the following spares for repairs of submersible pump set of 7.5 HP capacity complete all as specified and directed.

Motor bearing bush (LB)

Thurst bearing set

PVC Impeller

S.S Sleeves

Stage casing

Stage casing sleeves

Suction bush

Pump NRV

Discharge out let Bush LB

Discharge out let.sleeve

Middle bush LB

Middle sleeve

Pump shaft

Pump coupling

Sand guard

Oil seal

Support plate MS with GI nut bolt and washer

M&L disconnecting and removing the water and electric connections carefully from the existing submersible pump sets of capacity up to 5 HP for inspection, repairs and reassembling the pump and motor as per the original assembly after repairs / replacing the worn out unserviceable parts with new parts as ordered, including cleaning replacing the minor items like packing bolts, nuts, washers and MS clamps etc and applying one coat of approved hammertene spray paint on exposed steel surfaces, making the pump and motor fully serviceable including matching etc and testing the both after refixing and commissioning the pump set for satisfactory operatrion on its full load complete all as specified and directed. Notes:- (a) The spares required for repair the pump sets will be measured and paid seperetely under respective item. (b) Expendable stores like cotton waste/cleaning materials, lubricants, gland packing, metal filling and transportation from site to work shop and back shall be deemed to be included in rate quoted. (c) Labour elements shall deemed to be included in unit rate.

Supply only the following spares for repairs of submersible pump set of 5 HP capacity:-

Motor bearing bush (LB)

Thurst bearing set

PVC Impeller

S.S Sleeves

Stage casing

Stage casing sleeves

Suction bush

Pump NRV

Discharge out let Bush LB

Discharge out let.sleeve

Middle bush LB

Middle sleeve

Pump shaft

Pump coupling

Sand guard

Oil seal

Support plate MS with GI nut bolt and washer

Flushing/de-silting of accumulated soil from inside the borewell up to 250 mm dia and depth up to 150 meter by using air compressor/ special equipments of existing borewells including surging and flushing the bore at a pressure of 7 Kg / Sq cm complete with compressed air and flushing the sand, mud etc from the bore well till discharge of the fresh water, including testing of water samples for chemical and bacteriological tests and yield testing for 4 hours complete all as specified and directed . Note: The rate shall be inclusive of hiring of Air compressor /special equipment, diesel, tools and Accessories including transportation and skilled man power to execute the work.

Supply and lay submersible copper conductor cable 1100 volts grade PVC insulated flexible, PVC sheathed with multistranded copper conductor cutting to required length connecting with necessary end ferrules / water proof joints of following size including removing the existing unserviceable cable complete all as specified and directed. Make :-Finolex/plaza/Havells/Finecab

3 Core 6 Sqmm

3 Core 4 Sqmm

M&L disconnecting the suction and delivery pipe lines, electric and water connections of centrifugal motor pump set 5 HP capacity and removing it from its position carefully and transporting the same to the workshop for carryout necessary repairs and refixing the same in its original position and re-connecting up of water and electric connections including testing and commissioning complete all as specified and directed. Notes:- (i) Expendable stores like cotton waste / cleaning materials, lubricants, gland packing, metal filling, machining and transportation from site to the work shop and back are deemed to be included in unit rate quoted. (ii) Labour element is deemed to be included in unit rate quoted.

Supply only the following sparesas in repairs for centrifugal/ mono block pump set upto 5 HP capacity :-

Ball bearing drive end

Ball bearing for non driving end

GM bush

CI impeller

MS pump shaft

Gland cover

M&L disconnecting the suction and delivery pipe lines and electric and water connections of centrifugal motor pump set 2/3 HP capacity and removing it from its position carefully and transporting the same to the workshop for carryout necessary repairs and refixing the same in its original position and re-connecting up of water and electric connections including testing and commissioning complete all as specified and directed. Notes:- (i) Expendable stores like cotton waste / cleaning materials, lubricants, gland packing, metal filling, machining and transportation from site to the work shop and back are deemed to be included in unit rate quoted.(ii) Labour element is deemed to be included in unit rate quoted.

Supply only the following spares as in repairs for centrifugal/ mono block pump set upto 2/3 HP capacity :-

Rotor shaft of booster pump motor 3 phase, 415 Volts, 2 HP/3 HP

Ball bearing for 2 HP booster pump Make : SKF bearing No - 6304-2z or equivalent make and model as approved.

Ball bearing for 3 HP motor pump Make : SKF bearing No - 6305-2z or equivalent make and model as approved.

Gun Metal impeller suitable for 3 HP multistage centrifugal pump set of 60 Mtr delivery head

Gland plate of pump set upto 3 HP of monoblock pump

Supply and install Circulator pump, UPA 15-90, 230V, 50 Hz, used for domestic, high efficiency in-line. Make: GRUNDFOS , Product number 99539049 or euivaent in Kirlosker/ KSB/JYOTI all as specified and directed.

Supply and install Monoblock Pump KDS-216++, 2.0 HP CII MS (2 HP) , Head 8-35 Mtr , Impeller Material - Bronze Make: Kirlosker Product Code : D11010200120 or equivaent in KSB/JYOTI all as specified and directed.

M & L for GI pipe heavy grade 50mm dia, cut into 3.0 mtr length including providing of threading on both sides and lowering into the existing bore well along with existing GI pipe for increasing the length of the borewell pipe as in repairs complete all as specified and directed.

M&L for framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc not exc 10 kg each bracket, conforming to Fe.290, Gde-E-165 in repairs complete all as specified and directed.

S&F for thermal overload relay with built in single phasing prevention (CT Operated), 3 phase of capacity, relay range, 13 to 22 Amps, direct mounting on MK-1 contactor, type MK-1, 440 volts with necessary fixing materials including disconnecting and removing the old unserviceable one complete all as specified and directed. Make : L&T Cat No : SS9188800D0 or equivalent make in IndioAsian/Leagrand/ HPL.

S&F replacement of single pole contactor type MK-2 suitable for 7.5 HP capacity submersible pump including disconnecting and removing the old unserviceable one complete all as specified and directed. Make:- L&T Cat Part No SS90945 or equivalent make in IndioAsian/Leagrand/ HPL.

S&F single phase preventor, SPPR type 360/380/415 volts suitable upto 7.5 HP pump including connecting up of wire / cable testing complete including removing the existing unserviceable one all as specified and directed.L&T Cat Part No CS81809OOOO or equivalent make in IndioAsian/Leagrand/ HPL.

S&F Motor protection relay protection over load,single phasing, current unbalance , phase sequence reversal, under current, test facility suitable upto 7.5 HP pump including connecting up of wire / cable testing complete including removing the existing unserviceable one all as specified and directed. Make:- L&T Cat Part No MPR203BE080 or equivalent make in IndioAsian/Leagrand/ HPL.

S&F DOL starter 3 phase 415 Volts, 7.5 HP capacity rating 14 Amps, relay range 20 to 32 Amps, MK-1, including connecting up of incoming and outgoing connections and testing commissioning, including removing the existing unserviceable one complete all as specified and dirceted. Make:- L & T Cat Part No SS96210 or equivalent make as approved.

Supply and install Submersible pump set, electric driven 415 V, TP 5 HP 20 Stage Make: Kirlosker Model No CRI4R-8 or equivaent in KSB/JYOTI all as specified and directed.

Design Fabricating supply and errecting connecting and testing totally enclosed LT cubicle panel board 3 Phase 4 wire system outdoor type front openable type, separate compartment for each control gear, cable alley, provision of knock out type plates for various sizes of cable in and out, incoming and out going feeders duly marked on revited plates etc complete CPRI approved factory made fabricated out of 3.15 mm thick CRCA sheet duly treated through 7 tank pre treatment process and painted with epoxy powder coated mat finish of SIEMENS GREY structural RAL 7032 shade colour built in industrial type locking arrangement on front and back, and pre wired with PVC insulated multi stranded copper conductor for controls and monitors, PVC sleeved aluminium strip for connecting MCCBs ,Panel mounted on Angle iron frame of 50x50x6mm thick duly painted and embeded in PCC 1:3:6, type C2 using 40 mm graded stone aggregate, 45 CM below ground level and 15 Cm above ground level including taking down old unserviceable existing one and consisting the folowing provisions:- (a) MCCB 63 Amp 25 KA 4 pole -1 No (b) DOL starter Heavy duty 7.5 HP with relay 9-14 Amp - 1No (c) Single phase preventor -1No (d) Pump ON and Supply ON indicator- 1 Set (e) Phase reversal protection for protecting motor from reverse running.

Excavation in trenches, n exc 1.5 m wide and n exc 1.5 m in depth, for foundation of PCC/Steel pole, laying of cable in trenches etc and getting out in soft/loose soil complete all as specified and directed.

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

Removing excavated material (soils) n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed.

M&L filling approved river sand in trenches for sand cushioning of laying of cables to the full width of excavated trench 8 cm thick before laying the cable and 15 cm above the cable, gently punned down, stretching and testing of cable on transformer yard etc complete all as specified and directed. Note :- Thickness of sand cushion after punning down shall be measured for payment.

Supply and Lay un-reinforced precast concrete cable covers, class LV, type-I, flat of size 250mm x 150mm x 40mm laid across in trenches for cable protection complete all as specified and directed.

M&L for PCC 1:4:8 type D2 using 40mm graded aggregates as in foundation, filling and mass concrete for pole / stay / post including necessary form work complete all as specified and directed.

M&L for PCC 1:3:6 type C1 using 20mm graded stone aggregate in coping of poles / foundation for poles, struts, posts etc including necessary form work, finished the exposed surfaces fair and even without using extra cement complete all as specified and directed.

M&L for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volls grade, cross-sectional area laid in trenches / duct or fixed to wall / passing through pipe on pole with suitable size cable glands, crimping type cable lugs for stranded aluminium conductor of following sizes as in replacement complete all as specified and directed :-

2 core X 10 Sqmm

2 Core X 16 Sqmm

4 Core X 16 Sqmm

3.5 Core X 25 Sqmm

3.5 Core X 35 Sqmm

Supply and fix gun metal gate valve, ISI marked connected with iron wheel head, screwed at both ends for iron pipes and fixed including taking down of unserviceable gate valve complete all as specified and directed for the following sizes:-

15 mm bore

20 mm bore.

25 mm bore.

40 mm bore.

50 mm bore.

Supply and fix Non Return Valve, ISI marked connected with screwed at both ends for iron pipes and fixed including taking down of unserviceable NRV complete all as specified and directed for the following sizes:-

50 mm bore.

Supply and laying Steel water tubes, medium grade, ISI Marked as per IS-1239 part-I, galvanized with all fittings such as bends, tees, elbows, reducers, unions, plugs, sockets etc., laid in trenches as in repairs complete all as specified and as directed of following bores:-

15 mm bore

20 mm bore.

25 mm bore.

40 mm bore.

50 mm bore.

S&F cable PVC insulated aluminium conductor of size 10 sqmm, Two core, cut to length all as required at site with thimbles of appropriate size, drawn into conduit/pipe fixed to wall or pole for connection of energy meters to DB etc complete all as specified and directed.

M&L for MCB TPN 240 Volts, 'C' series, breaking capacity 10 KA of rating 6-32Amps .all as per Model Nos: 408680 for 32A respectively of make Legrand or equivalent in Havells / C&S/ABB/Hager

S&F MCCB 63 Amps, 3 pole, 415 Volts with rapturing capacity 16 KA fixed magnetic and thermal settings as in repairs complete all as specified and directed. Make:- Standard Cat No: ISLGNT0063 or equivalent make in Havells or Indoasian.

M & L earthing complete with galvanised steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5m below ground level, connecting to the Galvanised iron earth strip 32 x 6mm dia, by means of nuts, bolts, check nuts and washer etc of galvanised iron and earth lead protected by provision of GI pipe medium grade 40mm bore from earth elelctrode to test point incl provn of concrete pit in PCC (1:2:4) type B-1 using 20mm graded stone agagregates with 40mm thick cover of RCC (1:2:4) reinforced with XPM sheet (weight not less than 4Kg/Sqm) and frame of angle iron 25 x 25 x 6mm with lugs 2 Nos and with 8mm dia MS bar handle made to shape, GI pipe medium grade 20mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling test point with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning in and removal of surplus soil to a distance not exceeding 50mtr, complete all as specified in electrical plate No 3 of SSR Part I and connection to earth test point including testing on completion all as directed. Note :- The cost of 7.5m long galvanised iron earth strip of 32 x 6mm size and protection pipe of 40mm bore GI light grade is deemed to be included in quoted unit rate.

M&L for Construction of brick masonry valve chamber of size 600 x 600 x 600 mm (Internal dimenssions) with PCC foundation 1:4:8 type D2 using 40 mm graded stone aggregate 150 mm thick, 150 mm wide off sets allround over 100 mm thick hard core, brick masonry walls built in CM 1:6, 50 mm thick PCC 1:2:4 Type B1 coping finished even and smooth, rendering 10 mm thick in cement mortar (1:6) finished even and smooth, with out using extra cement internally and 150mm below GL externally and top of floor including excavation, earth work in hard/dense soil, 5 mm thick MS sheet cover fixed on 50 mm x 50 mm x 6 mm thick angle iron frame with hold fasts embedded in PCC coping with locking arrangement, mild steel handle and painting to steel surfaces with two coats of synthetic enamel paint over one coat of red oxide primer including disposal of surplus soil to a distance not exceeding 50 m etc complete all as specified and directed.

S&F in replacement of unserviceable Air rlease valve both ends flanged with CI body, ISI marked, IS 14846, pressure PN 1.6 with SS spindle with clamps and check nuts, operating hand wheel complete all as specified and directed for the following sizes:-

80 mm bore.

100 mm bore.

Supply only GI fittings 40mm bore, medium grade, ISI marked, smooth finished and make embosed on fittings complete all as specified and directed for the following fittings:-

Union

All equal Tee

Socket

Hex Nipple

Nipple 75mm Long

Nipple 100mm Long

Nipple 150mm Long

Nipple 200mm Long

Nipple 300mm Long

Reducer 40mm x 25mm.

Reducer 40mm x 20mm.

Elbow

All as per item No 43 here-in-before but for 50 mm bore.

Union

All equal Tee

Socket

Hex Nipple

Nipple 75mm Long

Nipple 100mm Long

Nipple 150mm Long

Nipple 200mm Long

Nipple 300mm Long

Reducer 50mm x 20mm.

Reducer 50mm x 25mm.

Elbow Make for item No. 43 to 44- TATA/JINDAL/ZENITH/R- BRAND

Reboreing/re-Drilling of existing borewell up to 350 mm dia, from the existing depth, at any type of strata by mud flash rotating equipment, from the Existing depth to 100 Meters . Notes:- (i) Water injection charges if required (ii) Transport Charges , (iii) , Vehicle settlings & Flishing charges (iv) Expendable stores like cotton waste / cleaning materials, (v) Labour element. should be included in unit rate quoted.

All as per item No 45 here-in-before but 100 Mtr to 200 Meters

M&L for measuring exact depth of borewell by lowering 1/4" dia wire rope with its rolling stand all as specified and directed by Engr-in-charge.

M&L for cleaning of existing column pipes (3 Mtr length ) duly scraping, cleaning and painting complete through anti corrosive black bituminous paint all as per directed by engr-in-charge

L and S ENTERPRISES

sandhya enterprises

Srinivash Engineers

PAVAN ENTERPRISES

Anjana corporation

Ravi Enterprises

Venkat Sai Enterprises

Mavee Syndicate