REPAIR/MAINT OF DI/GI/PPR PIPE LINES, NRV, SLUICE VALVE, REPAIR TO CENTRIFUGAL PUMP MOTORS AND REPAIR/ REPLACEMENT OF STARTERS AND SUBMERSIBLE CABLES, COLUMNS PIPE, SUBMERSIBLE PUMP MOTOR AND CONNECTED ITEMS AT KIARI, CHUMATHANG, NYOMA AND TANGTS

Amount

Material & Labour for replacement of foot valve for 80 mm dia pipe, ISI marked complete all as specified and directed by Engineer-in-Charge.

Taking out the unserviceable electric driven submersible pump set of capacity 10 WHP, discharge - 3 LPS, head - 70 to 85 mtrs respectively with GI column pipe 80 mm bore, 3 mtrs in length, flanged end at both ends and submersible cable complete all as specified and directed by Engineer-in-Charge. (Note : pump set submersible cable at column pipe kept in safe for reinstallation at site.

Taking out the burnt copper winding wire from submersible electric motor of capacity up to 10 WHP and rewinding the submersible electric motor with super enamelled copper wire of existing gauge. Insulating sleeves shellac/insulating varnish etc which required complete all as directed by Engr-in-Charge. Make of winding wire - ATLAS or equivalent as approved.

Lowering the submersible electric driven pump set of capacity 10 WHP discharge 3 LPS -70 to 85 meters head alongwith GI coloum pipe 40/50 mm bore flanged as retreived from serial item No 3.00 here-in-before complete all as directed by Engineer -in-Charge.

Taking out the burnt copper winding wire from multistage centrifugal electric motor of capacity up to 10 HP and rewinding the centrifugal electric motor with super enamelled copper wire of existing gauge. Insulating sleeves shellac/insulating varnish etc which required complete all as directed by Engr-in-Charge.

Taking out the burnt copper winding wire from multistage centrifugal electric motor of capacity up to 25 HP and rewinding the centrifugal electric motor with super enamelled copper wire of existing gauge. Insulating sleeves shellac/insulating varnish etc which required complete all as directed by Engr-in-Charge.

Supply , testing and commisoning of submersible electric driven pump set 7.5 HP of capacity 150-180 LPM at 90-100 mtr head, 3 phase, 415 volts, 50 HZ discharge head 50 mm complete all as specified and directed by Engineer-in-Charge.

Cleaning of semi under ground sump of capacity up to 10,000 gallons by means of flushing out the water from tank scraping/descaling the complete sludge inside the tank & throwing away not less than 50 mtrs from site, and applying two coats of lime wash with non poisonous adhesive including preparing the record on black surface complete all as specified and directed by Engineer-in-Charge.

Taking up/Down GI Pipe and supply and laying GI Pipe medium grade 50mm bore with all fitting and fixed complete to wall and ceiling or laying under ground complete all as specified and as directed by Engineer-in-Charge.

Supply and Fix in repair Gun-metal, Globe or gate valves, with iron wheel head, screwed both ends for iron pipes and fixed of size 50 mm complete all as specified and directed by Engr-in-Charge.

Supply and fix DI bends for spigot socketed DI K-7 class pipe 100mm bore (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 socket or socket and spigot collors, caps and plugs) complete all as specified and directed by Engineer-in-Charge. Note: Cost of rubber tyton joints is deemed to be included in overall cost quoted.

Supply and fix in repair off load change over switch 415 volt 50 Hz conform to IS-13947-3 with enclosure and side handle of cap 125 Amp four pole complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair off load change over switch 415 volt 50 Hz conform to IS-13947-3 with enclosure and side handle of cap 160 Amp four pole complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair off load change over switch 415 volt 50 Hz conform to IS-13947-3 with enclosure and side handle of cap 200 Amp four pole complete all as specified and directed by Engineer-in-Charge.

M&L for arresting the leakage of DI/GI pipe line of size 80/100 MM including replacement of all necessary fittings like Tee, Elbow, Bend, Tail piece, nut, bolts and washer, lead, gasket etc as per site requirement including necessary excavation and earth work complete all as specified and directed by Engineer-in-Charge.

Material and labour for valve pit of size 90 cm x 90cm x160cm (internal dimension) stone masonry construction including all necessary excavation and earth wotk in any type of soil returning filling in disposal of surplus soil to a distance not exceeding 50m and depositing where directed, PCC in foundation of the mix (1:4:8) type D-2 (using 40mm graded crushed stone aggregate), stone masonry in cement mortar (1:4) rendering 12 mm thick in cement mortar (1:4) internally finished even and fair and pointing flush externally as the work proceeds in the same mortar Mild steel angle iron 50x50x6mm frame MS sheet cover 3mm thick with handle and locking arrangement, painting all the exposed MS work with two coats of synthetic enamel paint of the tint as approved by the GE over a coat of red oxide primer and painting all the MS embeded in PCC with two coats of black bituminous paint complete all as specified and directed by Engineer-in-Charge.

M&L for replacement of GI column pipe 50mm dia medium grade , 3 metre in length, both end flanged, including bolts, nuts, washersand rubber gaskets etc completeall as specified and directed by Engineer-in-charge.

S&F in replacement DOL starter sutaible for 15 HP submersible Pump, 415 Volts, 3 phase, 50 Hz complete all as specified and directed by Engineer-in-Charge.

Earthing complete with galvanized steel earth plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 metres below normal ground level, connecting to the Galvanized iron earth strip 25 x 4 mm by means of bolts, nuts , check nuts and washers of galvanized iron and steel earth wire protected by provision of GI light grade pipe 40 mm bore including provision of concrete pit made from PCC ( 1:2:4) type B-1 (using 20 mm graded stone aggregate) with 40mm thick cover of RCC 1:2:4 reinforced with XPM (Weight not less than 4 Kg/Sqm) and frame of angle iron 40 x 40 x 6 mm and handle of 6 mm dia MS bar made to shape, GI light grade 20 mm bore pipe for watering perforated at bottom, 1.50 metre long placed on top edge of earth plate, common salt & charcoal filling, with fixing arrangement , funnel, wire mesh and earth work in hard/dense soil , returning filling in and removal of surplus soil to a distance not exceeding 50 metres, all as per electrical plate No 3 of SSR 2009 Part-I and connecting to MCBDB’s earth test point all as specified or indicated including taking down old unsv earthing and testing on complete all as specified and as directed.

M&L for flushing of borewell complete by using 210 CMF compressor and heavy duty driller machine to deliver the high air pressure at the bottom of the bore well and cleaing/flushing the bore well till the water is become free from any mud and clear for portable complete all as specified and directed by Engineer-in-charge.

M&L for PVC insulated and sheathed multi strandard 3 core 10 sqmm flat 1100 volts grade electric copper submersible cable complet all as specied and directed by Engineer-in-Charge.

M&L for PVC insulated and sheathed multi strandard 3 core 6 sqmm flat 1100 volts grade electric copper submersible cable complet all as specied and directed by Engineer-in-Charge.

Supply & fix in repair cast iron sluice valve for water supply purposes with CI drilled flanged end (intereally cast for 100 mm normal bore class PN 1.6 horizontal type conforming to IS 760, ISI marked with stainless steel spindle & iron wheel non using type including jointing material complete such as rubber assertion packing bags with requisite no of nuts & bolts , washers of requisite size etc all as specified and directed by the Engr-in-Charge.

Description all as per item Ser No. 24.00 here-in-before but 80 mm dia.

Supply, installing, testing and commissioning Factory made outdoor LT feeder piller box, double door type of suitable size, padestal mounted, CPRI approved totally enclosed, dust and vermin proof, Front and rear openable type made of 3.15 mm thick CRCA sheet and having proper locking arrangement duly painted to both internal and External surfaces with super enaleled paint over a coat of red oxide and suitable for 500 volts, 50 Hz, 3 phase 4 wire system and comprising of three phase coppere busbarr of current carrying capacity 400 Amps mounted on angle iron legs of size 50 x 50 x 6 mm x 80 cm long embedded in PCC 1:3:6, including excavation / preparation of ground complete connecting UG cable with cable glands of suitable size Make :SMS Panels and Switch Gears/ Universal switch gears Control and equivalent.

Construction of Lorry filling point of size 0.6m x 0.6m x 5m using precast cement concrete solid block masonary type C-1, 1:3:6 (20mm graded stone aggregate), exceeding 10cm in width and setting in cement mortal 1:4 over 150mm thick PCC 1:3:6 (nomival mix) type C-2 (using 40 mm graded crushed stone aggregates) complete, 10mm thick rendering in cement mortar 1:4 on block work, surface finished even & smooth without using extra cement inxluding earthwork complete, 1/6 of complete height is using as foundation of Lorry filling point, incl Dismantling of unserviceable Lorry filling point of any size all as specified and directed by Enginner-in-Charge.

Collecting and testing of water sample bottle from Pump houses of 34 AP Water point 1 & 114 inf bde water point 2 from govt authorised laboratory for testing of various parameters as per IS 10500 complete all as specified and directed by Engr-in-Charge. Note :- Test result will be submitted to Engr-in-Charge.

S&F in repair cast iron non return valve (NRV) for water supply purpose, single door pattern for 80 mm bore pipe conforming to IS 5312-198, heavy duty ISI marked with CI drilled flanged ends (integrally cast) including pointing material such as rubber inserting packing rings with requisite numbers of nuts & bolts washers of requisite size complete all as specified by Engr-in-Charge.

Supply, laying, testing and commissioning of LT UG cable XLPE insulated PVC sheathed galvanized steel strip armoured electric power cable with stranded aluminium conductor 1100 volts grade 50 sqmm 3.5 core confirming to IS:7098 (Part-I), suitable for earthed system, laid in duct/trench/along pole/wall etc including nuts, bolts, washers, saddles & screws etc and making connection, complete all as specified and directed by Engr-in-Charge.

Supply and fixing in repair MCCB 100 amps capacity, 415 V, TPN, 25 KA complete all as specified and directed by Engr-in-Charge.

supply and fixing in repair MCCB 63 amps capacity, 415 V, TPN, 16/25 KA complete all as specified and directed by Engr-in-Charge.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5 m depth for laying of cable/ stay assy/LT poles and getting out in hard/dense soil complete all as specified and directed by Engr-in-Charge.

Returning filling incl spreading watering and well ramming in layers not exceeding 25cm in hard and dense soil complete all as specified and directed by Engr-in-Charge.

Removing excavated material not exceeding 50 mtrs and depositing where directed at a level n. exc 1.5mtr above the starting point complete all as specified and directed by Engr-in-Charge.

Taking up/down old DI/GI/PP-R tubing connection 20 mm dia including clearing from trenches complete as directed by Engr-in-charge.

Description all as per item Ser No. 36.00 here-in-before but PP-R pipe 25 mm dia

Description all as per item Ser No. 36.00 here-in-before but PP-R pipe 32 mm dia

Description all as per item Ser No. 36.00 here-in-before but GI/PP-R pipe 50 mm dia

Description all as per item Ser No. 36.00 here-in-before but GI/PP-R pipe 63 mm dia

Supply & Laying of 3-layer PP-R (Polypropylene Random Co-polymer) pipes SDR 7.4 & SDR 11 UV stabilised antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fitting bore of dia pipes in 20 mm fixed complete all as specified and as directed by Engineer-in-Charge.

Description all as per item Ser No. 41.00 here-in-before but PP-R pipe 25 mm dia

Description all as per item Ser No. 41.00 here-in-before but PP-R pipe 32 mm dia

Description all as per item Ser No. 41.00 here-in-before but PP-R pipe 50 mm dia

Description all as per item Ser No. 41.00 here-in-before but PP-R pipe 63 mm dia

Disconnecting existing tanks, setting aside (or lowering if required) for repairs , cleaning etc. and hoisting if requeired reconnecting and refixing in same position of tank capacity execeeding 250 ltrs and not exceeding 500 litres complete all as specified and as directed by Engineer-in-Charge.

Disconnecting existing tanks, setting aside (or lowering if required) for repairs , cleaning ete. And hoisting if requeired reconnecting and refixing in same position of tank capacity execeeding 500 ltrs and not exceeding 1000 litres complete all as specified and as directed by Engineer-in-Charge.

S&F Rotational moulded polyethylene water storage tank (cylinderical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-I of capacity 1000 litres including all accessories, complete all as specified and as directed by Engineer-in-Charge.

S&F Rotational moulded polyethylene water storage tank (cylinderical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-I of capacity 750 litres including all accessories, complete all as specified and as directed by Engineer-in-Charge.

S&F Rotational moulded polyethylene water storage tank (cylinderical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-I of capacity 500 litres including all accessories, complete all as specified and as directed by Engineer-in-Charge.

Repairs to submersible pumpset of capacity 10 - 15 HP, 3 phase, 415 volts involving the following operations : (a) Opening of the defective motor in MES yard / pump house/ workshop, cleaning the covers and parts as applicable in presence of Engineer-in-Charge to ascertain the quantum of defects and repairs involved. (b) Transporting the defective motor to contractor's workshop for repairs as directed by the Engineer in Charge and carrying out the needful repairs including replacement of defective unserviceable parts. (c) Assembling the motor after repair.d) Spray painting the repaired motor externally with two coats of synthetic enamelled paint of shade as approved by the Engineer-in-Charge. (e) Transporting the repaired motor to MES yard/ workshop and carrying out necessary test in presence of Engineer-in-Charge to establish the functionability of the repaired motor up to the entire satisfaction of the Engineer-in-Charge.

Description all as per Serial Item No. 51.00 here-in-before but for submersible pumpset of capacity 2 to 5 HP.

Notes for Serial Item No 51 & 52 here-in-before : (i) Any parts required to be replaced during servicing, overhauling of motor, pump set etc. shall be measured and paid for separately under appropriate item as "Supply only" of this schedule. However labour element involved in replacement is deemed to be included in quoted rates against this item. (ii) Any minor repairs involved to make the motor, pump functional even if notified by the Engineer in Charge shall be carried out by the contractor without any extra cost to the department. (iii) Rewinding of stator of motor, any machine to pump where involved shall be measured and paid separately against relevant item of this schedule. (iv) Greasing/oiling etc of parts as required shall be done by the contractor without any extra cost to the department.

Supply only new rubber gasket as per existing dia complete all as specified and as directed.

Supply only New Nut and Bolt and washer as per existing dia and length, complete all as specified and as directed.

Water lubricant seal suitable for motor.

Bowl assembly

T bolt for motor

Thrust bearing for motors as per existing

MS Flanged reducer as per existing

Stud as per existing size

Neck ring

Stainless steel key for impeller shaft

Impeller ( CI)

Stainless steel motor - pump coupler

Bush (gun metal) for pump as per existing

Bush (rubber) for pump as per existing

Repairs to pump shaft

Repairs to motor shaft

Bush to motor shaft as per existing

Repair to Impeller by brazing or as required for 5 to 15 HP Pump set complete all as specified and directed.

Sand guard

Motor adaptor

Impeller sleeve(SS)

Rewinding of stator/rotor of submersible motor pump working on three phase 415 Volt to 440 Volts of capacity 10-15 HP with water proof insulated copper wire of existing gauge and size to achieve the specified / required RPM /discharge including taking out old unserviceable winding complete all as specified and directed. Make of wire : Atlas/ Devidayal.

Rewinding of stator of submersible motor pump working on three phase 415 Volt to 440 Volts of capacity 02 to 05 HP with water proof insulated copper wire of existing gauge and size to achieve the specified / required RPM including taking out old unserviceable winding complete all as specified and directed. Make of wire : Atlas/ Devidayal.

Servicing / overhauling, centrifugal pump, monoblock motor pump set of capacity 10 to 15 HP 3 phase induction motor including carrying out maintenance check along with following repairs: (a) Dismantling of monoblock motor pump set in presence of MES representative and display all the parts without damage any portion for inspection of Engineer in Charge to ascertain the serviceability of existing parts. (b) Heating, varnishing to stator, rotor with super quality varnish and drying out properly with external heat. (c) Cleaning, washing of bearing and use right quantity of ball bearing grease for bearing. (d) Checking play of impeller and bushing of pump. (e) Assembling of motor with old serviceable parts and replacement of unserviceable parts with new as ordered where necessary. (f) Installation of motor by making connections as per existing and testing on load. (g) Cost for loading / unloading ,any tpe of T&P like chain pulley/ crane or any transportation required to take the centrifugal pump or motor of any size and cap to workshop and back shall be deemed to be included in this item.

Description all as per Serial Item No. 55.00 here-in-before but 2 to 5 HP induction motor

Notes for Serial Item No 55 & 56 :- (i) Any parts required to be replaced during servicing, overhauling of motor, pump set etc shall be measured and paid for separately under appropriate item as "Supply only" of this schedule. However labour element involved in replacement is deemed to be included in quoted rates against this item. (ii) Any minor repairs involved to make the motor, pump functional even if notified by the Engineer in Charge shall be carried out by the contractor without any extra cost to the department. (iii) Rewinding of stator, replacement of old unserviceable bearings of pumps and motors, any machine to pump where involved shall be measured and paid separately against relevant item of this schedule. (iv) Greasing / oiling etc of parts as required shall be done by the contractor without any extra cost to the department.

Rewinding of stator of induction motor working on 3 phase, 440 volts for Centrifugal monoblock motor pump set of capacity 10 to15 HP with bare copper winding of appropriate gauge complete all as specified and directed. Make of wire : Atlas / Devidayal

Description all as per Serial Item No. 57.00 here-in-before but 2 to 5 HP induction motor

Supply only the following items to incorporate against centrifugal monoblock motor pumpset of cap 5 HP to 15 HP as required at site.

Body Spacer Bush

Gland shaft sleeve (SS) suitable for pump of capacity 15HP capacity as per site.

Ball/Thrust bearing suitable for different pump motor of 10 to 15HP capacity as per site.

O Ring Partv No 52201/52203/52202

Oil seal (DE &NDE)as per existing

Thrust plate set of CI.

Bearing protection water shallenger

Bearing bracket for 10 to 15 HP Pump motor set

Neck ring

Body bush

Stud with nut of any size

S&F and testing Cast lron sluice valve, non-rising type conforming to IS-14846-2000, sutiable for 50 mm bore pipe consisting of SS spindle as per IS 6603, Cast iron Body, Dome & Wedge as per IS 210, greasy jute type gland packing, fasteners as per IS 1367, Natural rubber gasket, CI manual hand wheel etc complete double end flanged and drilled, of Class PN-1 ( ISI marked) including all jointing materials such as rubber gasket insertion sheet nut ,bolts and washers etc including taking out old unserviceable sluice valve from pipeline and removing from site complete all as specified and directed.

Cast iron non return valve single door confirming to IS 5312, Part-1 / BS EN 12334 (BS 5153) suitable for 50mm bore pipe class PN 1.6 gun metal sheat and flap with flanged and drilled flanged ends including having bypass arrangement omplete all as specified and directed.

Taking up/down old gate valve/Ball valves of size 20/25/32/50/63 mm bore complete as directed by Engr-in-charge.

Supply and Fixing PP-R Ball valve (brass inserted) for 20 mm dia pipe as per requirement of the site complete all as specified and directed by Engr-in-Charge.

Description all as per item Srl No. 64.00 here in before but for 25 mm dia PP-R pipe

Supply and Fixing PP-R gate valve (brass inserted) for 32 mm dia pipe as per requirement of the site complete all as specified and directed by Engr-in-Charge.

Description all as per item Srl No. 66.00 here in before but for 50 mm dia PP-R pipe

Description all as per item Srl No. 66.00 here in before but for 63 mm dia PP-R pipe

Making connection of PP-R distribution branch with PP-R main of 20 mm to 40 mm sizes by providing and fixing tee including cutting and making fusion joint etc complete all as specified and directed by Engr-in-Charge.

Description all as per item Srl No. 69.00 here in before but but for 50 to 75 mm dia PP-R pipe

Supply and fixing in replacement rotational moulded polyyethylene water storage tank heavy duty PUF insulated 5 layers storage tank ideally suitable for extreme temperature +35 degree centigrade to -45 degreee centigrade conditions and the outer FRP (Fibre giass reinforced plastic) layers withstand vagaries of nature and prevent erosion / damages of the tank of capacity 500 Ltrs complete all as specified and directed by Engr-in-Charge.

M/S GEE GEE ENTERPRISES (BID ID -3268812)

SHUBHAM ENGINEERS & BUILDERS (BID ID -3268221)

GANDOTRA CONSTRUCTION CO (BID ID -3268565)

JP AND CO. (BID ID -3268247)

SHANTI ENTERPRISES (BID ID -3268470)

Ms Salaria Builders (BID ID -3268576)