REPAIR MAINT EXTERNAL WATER SUPPLY INSTALLATIONS AT SALAWAS AND SITE 1A KAYLANA TAKHATSAGAR AT AF STN JODHPUR

Amount

Excavation in trenches, not exc 1.5 m wide and n. exc 1.5 m depth, or not exc 10 Sqm on plan and n exc 1.5 m in depth for foundations, shafts, wells, cesspits, manholes, pier holes, for foundations of poles, struts, stays etc. or laying water supply pipe lines etc. in hard/dense soil/rocks & getting out complete all as specified and directed.

Returning, filling in, including spreading, leveling watering and well ramming in layers n.exc 25 cm in hard/dense soil/rocks complete all as specified and directed by Engineer-in-charge.

Removal of excavated soil material to a distance not exc 50 metre and depositing where directed at a level not exc 1.50 metre above the starting point complete all as specified and directed by Engineer-in-charge.

Taking up or down 15 mm bore galvanised steel water tubing including connections, fixed in walls, ceiling or laid under floor or laid in trenches etc complete all as specified and directed by Engineer-in-charge. Note :- Excavation and earthwork shall be measured and paid for separately.

All as per item No 4 above but 20 mm dia bore.

All as per item No 4 above but 25 mm dia bore.

All as per item No 4 above but 40 mm dia bore.

All as per item No 4 above but 50 mm dia bore.

All as per item No 4 above but 80 mm dia bore.

All as per item No 4 above but 100 mm dia bore.

S&F 15mm bore galvanized steel water tubing medium grade & including all fittings and fixed complete to walls and ceilings or laid in floors / trenches complete all as specified and directed by Engineer-in-charge.

All as per item No 11 above but 20 mm dia bore.

All as per item No 11 above but 25 mm dia bore.

All as per item No 11 above but 40 mm dia bore.

All as per item No 11 above but 50 mm dia bore.

All as per item No 11 above but 80 mm dia bore.

Supplying, laying, jointing, commissioning and testing 100mm bore centrifugally cast (Spun) ductile iron pressure pipe with spigot and socketed ends class K-7, confirming to IS : 8329/2000 blast furnace slag cement with portland cement properties suitable for rubber gasket jointing / tyton joints with inside cement mortar lining and black bitumen external coating, duly (ISI marked) laid in trenches complete all as specified and directed by Engineer-in-Charge. Note :- (i) DI fittings shall be measured and paid separately under respective items (ii) Pipes shall be laid in trenches already excavated for taking out old GI pipe line. Extra excavation / earthwork shall not be paid.

S&F in replacement gun metal globe or gate valve 20mm bore with iron wheel head, screwed both ends for iron pipes complete all as specified and directed.

All as per item No 18 above but 25 mm dia bore.

All as per item No 18 above but 40 mm dia bore.

All as per item No 18 above but 50 mm dia bore.

Supply & fixing cast iron body sluice valve heavy duty class ‘PN-1.6’ of 80 mm bore, ISI marked with IS 14846 : 2000, both flanged ends and drilled, high tensile stainless steel spindle, CI gate with brass ring, non rising type, cast iron wheel handle, cast iron cap, with 3mm thick neoprene rubber gasket joint and nuts, bolts (high tensile), washers etc, and testing, including dismantling & taking out old unserviceable sluice valve of 80 mm bore, complete all as specified & directed.

All as per item No 22 above but 100 mm dia bore.

Supply & fixing DI pipe fittings confirming to IS-9523-2000 such as bends (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 collar, caps and plugs etc. suitable for spigot and socketed pipes upto 150 mm bore, complete all as specified and directed by Engineer-in-charge.

M&L in repairs for Construction of brick masonry valve pit of internal size 60cm x 60cm x 60cm including necessary excavation and earth work in soft/loose soil, brick work, plastering, white wash, PCC coping, MS frame made out of angle iron of size 40mmx40mmx6 mm, MS sheet cover of 3 mm thick fixed to angle iron frame by means of hinges welded to frame and painting with 2 coats of synthetic enamel paint over and including a coat of red oxide primer on steel surfaces and grouting the frame in PCC 1:2:4 type B-1 including handle and locking arrangement with one number 50 mm dia brass pad lock complete all as specified and directed by Engineer - in - Charge. Note :- (i) Brick wall shall be 23 cm thick built in cement mortar (1:4). (ii) Internal plaster shall be 15 mm thick in cement mortar (1:4) and external plaster upto 450mm from top shall be 20mm thick in CM (1:6) and remaining external surface shall be flush pointing in CM (1:6) as the work proceeds. (iii) PCC in foundation shall be 15 cm thick in cement concrete (1:4:8) type D2 using 40 mm graded stone aggregate extended 15 cm all around from the external face of the walls. (iv) PCC coping shall be 15 cm thick in cement concrete (1:2:4) type B1 using 20 mm graded stone aggregate including grouting of angle iron frame in PCC. (v) Three coats of white wash to internal surfaces of valve pit shall be applied. (vi) Depth of valve pit shall be reckoned from the top of PCC in foundation. (vii) Rates quaoted by contractor shall deemed to included of aspects covered in item and notes (i) to (vi) above.

All as per item No 25 above but internal size 90cm x 90cm x 90cm.

M&L for 'D' Joint suitable for DI /CI/GI pipe sizes 50 mm dia bore including excavation & earthwork and providing other fittings as required including testing at site complete all as specified and directed by the Engineer-in-Charge.

All as per item No 27 above but 80 mm dia bore.

All as per item No 27 above but 100 mm dia bore.

Taking out centrifugal pump of 30 HP from foundation by disconnecting suction & delivery pipe line, dismantling of pump, overhauling the same by repairing/replacing defective parts as ordered and reassembling, replacement of worn out nuts, bolts, repairing of bearing housing complete incl greasing and making connection complete all as per specifed and direceted by Engineer-in-Charge. Note :- Defective spare parts shall be measured under respective supply only items.

Supply only ball bearing DE + NDE (Make NBC/SKF) for 30 HP pump complete all as specified and directed.

Supply only impeller with neck ring for 30 HP pump complete all as specified and directed.

Supply only gun metal bush for 30 HP pump complete all as specified and directed.

Supply only MS coupling set for pump & motor with pin for 30 HP pump complete all as specified and directed.

Supply only star coupling rubber for 30 HP pump complete all as specified and directed.

Taking out centrifugal pump of 5 HP from foundation by disconnecting suction & delivery pipe line, dismantling of pump, overhauling the same by repairing/replacing defective parts as ordered and reassembling, replacement of worn out nuts, bolts, repairing of bearing housing complete incl greasing and making connection complete all as per specifed and direceted by Engineer-in-Charge. Note :- Defective spare parts shall be measured under respective supply only items.

Supply only ball bearing DE + NDE (Make NBC/SKF) for 5 HP pump complete all as specified and directed.

Supply only impeller with neck ring for 5 HP pump complete all as specified and directed.

Supply only gun metal bush for 5 HP pump complete all as specified and directed.

Supply only MS coupling set for pump & motor with pin for 5 HP pump complete all as specified and directed.

M&L for finding leakage of water pipe line from Takhat sagar pump house to site 1A pump house and repairing the leakage by fixing seal, clamp and other equired fittings etc. of suitable size complete all as directed by Engr-in charge.

Supply & fix in replacement foot valve 80/50 mm dia complete all as specified and directed.

Taking out electric motor 30 HP capacity AC 3 phase 415 volts from foundation, taken to work shop, dismantling the motor, taking out old burnt wiring, cleaning the starter slots, material and labour for rewinding the stator with appropriate gauge super enameled copper wire and installation paper, sleeves, thimbles etc, complete varnishing and backing up the windings, repairs to bearing housings, replacing the bearings, cooling fan and connection plate, taking back to site, fixing on foundation making electric connection, re-aligning with pump/motor and testing complete all as directed by Engr-in charge.

Taking out electric motor 25 HP capacity AC 3 phase 415 volts from foundation, taken to work shop, dismantling the motor, taking out old burnt wiring, cleaning the starter slots, material and labour for rewinding the stator with appropriate gauge super enameled copper wire and installation paper, sleeves, thimbles etc, complete varnishing and backing up the windings, repairs to bearing housings, replacing the bearings, cooling fan and connection plate, taking back to site, fixing on foundation making electric connection, re-aligning with pump/motor and testing complete all as directed by Engr-in charge.

Taking out electric motor 5 HP capacity AC 3 phase 415 volts from foundation, taken to work shop, dismantling the motor, taking out old burnt wiring, cleaning the starter slots, material and labour for rewinding the stator with appropriate gauge super enameled copper wire and installation paper, sleeves, thimbles etc, complete varnishing and backing up the windings, repairs to bearing housings, replacing the bearings, cooling fan and connection plate, taking back to site, fixing on foundation making electric connection, re-aligning with pump/motor and testing complete all as directed by Engr-in charge.

M&L in repairs for pre-cast cement concrete 1:3:6 type C1 (20mm graded stone aggregate) block masonry with solid blocks, exc. 10 cm in width and setting in mortar 1:4 as required at SU site1A & 1B complete all as specified & directed by Engr-in charge.

M&L in repair for framed work such as grills, gratings etc., with ends of bars shouldered and/or riveted, or forget into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe 290 Gde-E-165 complete all as specified and directed.

M&L for dozing of chlorine to supplied water if the PPM value of water is not upto the limit and make the PPM value of water less than one all as per direction of Engr-in charge.

M&L in replacement of DOL starter 3phase suitable for 5HP pump complete all as specified and directed.

M&L in replacement of star delta starter 3phase suitable for 30HP pump complete all as specified and directed.

Supply and fix in replacement of 20mm bore Bib taps, cast copper alloy with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule and fixed complete all as specified and directed.

Supply & fix in replacement of rotational moulded polyethylene water storage tanks 100 ltrs capacity (cylindrical vertical with closed top) hoisted and fixed in position for dosing pump including necessary fittings complete all as specified and directed.

M&L for taking out/lowering & unlowering defictive submersible pump set of capacity 10 HP capacity from bore well after disconnecting electrical connections, transportation to workshop for repair, dismantling the pump set for detection of repair such as rewinding of motor, replacement of iron stainer, bronze impeller, gun metal bushes stainless steel sleeve, impeller key, thrust bearing, replacement of unserviceable nut-bolts, washer, lugs, terminal plate, reassembling, lowering in well in its original position, making proper electrical connections, commissioning & testing complete all as specified and directed by Engineer-in-charge. Note : - (i) Cost for transportaion to workshop for repairs and back to site after repair is inlcuded in the unit rate of item nothing extra shall be paid on this acount. (ii) Rewinding of submersible motor, Iron stainer, bronze impeller, gun metal bushes stainless steel sleeve, impeller key and thrust bearing if required for replacement shall be paid separetly against respective items of schedule as "Supply only". (iii) Cost of new nuts, bolts, washers, lugs and terminal plate required to be replaced is included in the unit rate of this item nothing extra shall be paid on this account.

M&L for rewinding of submersible pump set of capacity 10 HP with PVC insulated copper winding wire of existing gauge including varnishing, baking, cotton tape and greasing of bearings, bushes and other connected parts complete all as specified and as directed by Engr - in - Charge.

Supply only iron stainer suitable for submersible pump of capacity 10 HP, 6 stage complete all as specified and as directed by Engr–in-Charge.

Supply only gun metal bush suitable for submersible pump of capacity 10 HP, 6 stage complete all as specified and as directed by Engr–in-Charge.

Supply only thrust bearing (Gun metal) suitable for submersible pump of capacity 10 HP 6 stage complete all as specified and as directed by Engr–in-Charge.

Supplying, laying & jointing in replacement submersible cable flat type, copper conductor of size 6 Sqmm 3 core complete all as specified & as directed by Engr-in-charge.

S&F in repairs for column pipe of size 80mm bore 6.0 m length with both end welded flanged suitable for lowering of submersible pump complete all as specified and directed.

S&F in repairs for column pipe of size 50mm bore 6.0 m length with both end welded flanged suitable for lowering of submersible pump complete all as specified and directed.

M&L for rubber gasket for fixing of GI column pipe of size 80mm bore all as specified and directed.

M&L for rubber gasket for fixing of GI column pipe of size 50mm bore all as specified and directed.

M&L for nuts & bolts of suitable size for fixing/tightening of GI coloumn pipe all as specified and directed.

S&F in replacement MCCB 4 Pole 100 Amps, thermal magnetic release type having breaking capacity 25 KA, 415 Volt in the existing feeder pillar box including any addition / alteration to the panel to accommodate the new MCCB & making connections with 25x3 mm copper strip as required from main bus bars, making necessary welding work, metal work for fixing base plate etc and connections complete all as specified and as directed by Engineer-in-Charge.

All as per item No. 55 above but MCCB 4 Pole, 125 Amps rating, breaking capacity 25 KA, 415 Volt.

All as per item No. 55 above but MCCB 4 Pole, 160 Amps rating, breaking capacity 25 KA, 415 Volt.

All as per item No. 55 above but MCCB 4 Pole, 250 Amps rating, breaking capacity 36 KA, 415 Volt.

Material & labour for earthing complete with copper earth plate electrode 60cm x 60cm x 3.15 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5m below normal ground level, connected to and including earth lead of copper strip 20 mm X 3 mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No 03 of SSR Part-I connected to earthing test point all as specified or indicated including testing on completion and excavation and earth work in any type of strata, PCC 1:3:6 type C1 in chamber, precast RCC cover 50mm thick in cement concrete 1:2:4 type B1, reinforced with welded steel wire fabric or XPM (Weight not less than 4 Kg/Sqm) with cast iron frame, funnel with wire mesh, 20mm bore GI pipe medium grade watering pipe, lugs, 40mm bore GI pipe medium grade protection pipe up to 7.5m complete all as specified and directed by the Engineer-in-Charge NOTE :- The rate of above Item includes the cost of earth lead and GI protection pipe up to 7.5 Metres. Copper strip beyond 7.5 Metre shall be measured and paid for separately.

M/S SUMAN ENTERPRISES

Rajendra Engineering Works

SANJOLI CONSTRUCTION COMPANY

new india engineers

Siddharth Constructions

Shri Electrical Enterprises