REPAIR/REPLACEMENT OF EXTERNAL WATER SUPPLY PIPE LINES, PUMPS, MOTORS , STP, UG SUMP AND CONNECTED ITEMS IN AA BANAR, JODHPUR

Amount

Excavation in trenches not exceeding 1.5M wide and n. exe 1.5 M in depth for laying of pipes etc. and getting out in any type of soil complete all as specified and directed by Engineer-in-charge. Note :- Rates are deemed to include cutting any type of roads/PCC block coming in the layout and making good with same specifications.

Returning filling in including spreading, levelling, watering and well ramming in layers n. exc 25 cm thick in any type of soil complete all as specified and directed by Engineer-in-charge.

Removing excavated material n. exc 50M and deposting where directed at a level n. exc 1.5M above the starting point in any type of soil complete all as specified and directed by Engineer-in-charge.

Taking up or down existing old unserviceable PVC/GI tubing 15 mm bore including fittings all as directed at site.

Material and labour for 15 mm bore GI tubing ISI Marked medium grade with including all fittings ISI marked complete laid in trenches/wall all as specified and directed by Engineer-in-Charge

Taking up or down existing old unserviceable GI tubing 20 mm bore including fittings all as directed at site.

Material and labour for 20 mm bore GI tubing ISI Marked medium grade with including all fittings ISI marked complete laid in trenches/wall all as specified and directed by Engineer-in-Charge

Taking up or down existing old unserviceable GI tubing 25 mm bore including fittings all as directed at site.

Material and labour for 25 mm bore GI tubing ISI Marked medium grade with including all fittings ISI marked complete laid in trenches/wall all as specified and directed by Engineer-in-Charge

Material and labour for Straight plain brass ferrules (or connecting screws) screwed both ends and fixed 20 mm dia complete all as specified and directed by Engineer-in-charge.

Material and labour for Straight plain brass ferrules (or connecting screws) screwed both ends and fixed 25 mm dia complete all as specified and directed by Engineer-in-charge.

Material and labour in replacement Gunmetal globe or gate valve with iron wheel head served both ends for iron pipe and fixed of size 20 mm dia complete all as specified and directed by Engr-in-Charge.

Material and labour in replacement Gunmetal globe or gate valve with iron wheel head served both ends for iron pipe and fixed of size 15 mm dia complete all as specified and directed by Engr-in-Charge.

Material and labour in replacement Gunmetal globe or gate valve with iron wheel head served both ends for iron pipe and fixed of size 25 mm dia complete all as specified and directed by Engr-in-Charge.

Material and labour for replacement of existing U/S PTMT float valve high pressure with polythene float and fly nut complete, screwed for iron pipe and fixed of size 20 mm dia all as specified and directed by Engineer-in-Charge.

Taking up or down existing old unserviceable GI tubing 80 mm bore including fittings all as directed at site.

Material and labour for 80 mm bore GI tubing ISI Marked medium grade with including all fittings ISI marked complete laid in trenches/wall all as specified and directed by Engineer-in-Charge

Taking up or down existing old unserviceable GI tubing 50 mm bore including fittings all as directed at site.

Material and labour for 50 mm bore GI tubing ISI Marked medium grade with including all fittings ISI marked complete laid in trenches/wall all as specified and directed by Engineer-in-Charge

Taking up or down existing old unserviceable GI tubing 100 mm bore including fittings all as directed at site.

Material and labour for 100 mm bore GI tubing ISI Marked medium grade with including all fittings ISI marked complete laid in trenches/wall all as specified and directed by Engineer-in-Charge

Taking out old unserviceable CI Sluice valve of any type form existing position of 80 mm bore. Supply and fixing in replacement of 80mm bore sluice valve, flanged, class 1.6 PN with wheel including all fixing arrangement complete ISI marked, stainless steel spindle all as directed by Engineer-in-Charge.

All as per item No. 22 here-in-before but for 100 mm bore pipe.

All as per item No. 22 here-in-before but for 150 mm bore pipe.

All as per item No. 22 here-in-before but for 250 mm bore pipe.

Material and labour for construction of stone masonry valve pit chamber of size 900x600x1000 mm type 'C' complete with MS cover of 3 mm thick sheet and angle iron frame 40x40x6mm size with locking arrangement including necessary excavation and earth work in any type of soil and two coats of anti synthetic enamel paint over one coat of primer on MS work all as specified. (Drg No : CEBZ/TD/43/2011 Sheet 1/1).

All As per S No 26 here-in-before but size 1050x750x1000 mm type 'D''. Note for items No 26 & 27: Quoted rate are deemed to include for demolition of old chambers and removal of debries.

Taking down cast iron water mains (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead of size 100mm bore all as directed at site.

Material and labour for DI pipes with spigot and socket ends centrifugally cast. Class LA, suitable for tyton joints in any length, laid in trenches of bore 100 mm (K-9) complete all as specified and directed by Engr-in-Charge.

Material and labour for Rubber gasket joint(Tyten) suitable for 100 mm bore DI pipes class LA socket spigot type and fittings complete all as specified and directed by Engr-in-Charge.

Cutting existing cast iron pipes and reducing to required length in position for insertion of new tees, branches etc of size 100 mm bore complete all as specified and directed by Engr-in-Charge.

Dismantling of existing gunmetal globe or gate valve of size 50 mm dia.

Material and labour for gunmetal globe or gate valve with iron wheel head served both ends for iron pipe and fixed of size 50mm dia complete all as specified and directed by Engr-in-Charge..

M&L for Bib taps, cast copper alloy with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule and fixed for iron pipe and fixed 15mm dia pipe complete all as specified and directed by Engr-in-Charge.

M & L for repair to leakages of 300 mm bore DI pipe on Jaipur Jodhpur Highway from AA Jodhpur to Army Area Banar by excavating the same and M & L for MS Clamp made out from 6 mm thick MS sheet and of suitable size, Rubber insertion sheet, nuts, bolts and washers etc and making the disturbed surface good all as directed at site.

All as per Item S No 35 here-in-before but repair to leakages of 200 mm bore CI pipe

M & L for repair to leakages at 300 mm DI pipe on Jaipur Jodhpur Highway from AA Jodhpur to Army Area Banar by excavating the same, cutting existing DI pipe and M & L for long collar up to 450mm dettachable joint 1 No. and tyten joint, nuts, bolts and washers etc and making the disturbed surface good all as directed at site.

M & L for repair to leakages at 200 mm CI pipe on Jaipur Jodhpur Highway from AA Jodhpur to Army Area Banar by excavating the same cutting existing DI pipe and M & L for long collar up to 450mm dettachable joint 1 No. and tyten joint, nuts, bolts and washers etc and making the disturbed surface good all as directed at site.

M & L for repair to leakages at 250 mm CI pipe at Army Area Banar by excavating the same cutting existing CI pipe and M & L for long collar up to 450mm, detachable joint 1 No. and tyton joint, nuts, bolts and washers etc and making the disturbed surface good all as per existing specification complete all as specified and directed. Note for Item No 35 To 39 :- (i) The T&P required like JCB, Exc tools etc for excavation shall deemed to be arranged by the contractor. (ii) All the existing services damaged during excavation shall be repaired by the contractor and rate are deemed to be included in the quoted rate.

Repair to leakages at CI pipe lines by M&L for run lead joint for CI pipes or specials suitable for following bore pipes, including excavation for required area and making good the same all as specified & directed by Engr-in-Charge.

(a) 150mm bore

(b) 100mm bore

(c) 80mm bore

Repair to leakages at UPVC pipe lines by M&L for flanges 4 Nos conforming to ASTM D 2467 by applying solvent cement and fixing as directed including nut bolts and washers suitable for following bore pipes, including excavation for required area and making good the same all as specified & directed by Engr-in-Charge.

(a) 150mm bore

(b) 100mm bore

Repair to leakages at UPVC pipe lines by M&L for one bend and four flanges conforming to ASTM D 2467 by applying solvent cement and fixing as directed including nut bolts and washers suitable for following bore pipes, including excavation for required area and making good the same all as specified & directed by Engr-in-Charge.

(a) 150mm bore

(b) 100mm bore

Disconnecting, transporting, dismantling the induction motor of capacity 30 HP for the following repairs and reassembling the same after repairs including transporting and re-installation at site duly connected electrically and water supply inlet and outlet connections all as specified and directed. Note : The cost of the items replaced will be paid separately under respective items of Sch 'A'

(a) Rewinding complete with appropriate gaugeof super enamelled copper wire as per existing gaugeand turns with insulating materials of best quality including varnishing (insulation) and ovening all as directed.

(b) Replacement of existing ball bearing of suitable size .

(c) Material and Labour for replacement of existing u/s tyre coupling.

All as per Item S No 43.00 here-in-before but 20 HP

(a) Rewinding complete with appropriate gauge of super enamelled copper wire as per existing gaugeand turns with insulating materials of best quality including varnishing (insulation) and ovening all as directed.

(b) Replacement of existing u/s ball bearing of suitable size

(c) Material and Labour for replacement of existing u/s tyre coupling.

All as per Item S No 43.00 here-in-before but 12.5 HP

(a) Rewinding complete with appropriate gauge of super enamelled copper wire as per existing gaugeand turns with insulating materials of best quality including varnishing (insulation) and ovening all as directed.

(b) Replacement of existing u/s ball bearing of suitable size .

(c) Material and Labour for replacement of existing u/s fan blade

(d) Material and Labour for replacement of existing u/s fan casing

(e) Material and Labour for replacement of existing u/s tyre coupling.

All as per Item S No 43.00 here-in-before but 5 HP

(a) Rewinding complete with appropriate gauge of super enamelled copper wire as per existing gaugeand turns with insulating materials of best quality including varnishing (insulation) and ovening all as directed.

(b) Replacement of existing u/s ball bearing of suitable size .

(c) Material and Labour for replacement of existing u/s fan blade.

(d) Material and Labour for replacement of existing u/s connection plate including copper terminals nuts, washers, cable lugs and connection plate and screws all as directed.

Dismantling the induction motor of capacity 75 HP for the following repairs and reassembling the same after repairs, re-installation at site duly connection electrically and water in and outlet connections all as specified and directed. Note : Note : The cost of the items replaced will be paid separately under respective items of Sch 'A'

(a) Rewinding complete with appropriate guage of supper enamelled copper wire as per existing guage and turns with insulating materials of best quality including varnishing (insulation) and all as directed.

(b) Replacement of existing u/s ball bearing of suitable size

(c) Material and Labour for replacement of existing u/s pump coupling MS with rubber inserssion bronze bush with nuts and bolts complete alongwith making required allingement for smooth running (without vibration) of pump motor all as specified and directed.

Material and Labour for Dismantling the existing u/s monoblock/ centrifugal coupled pump set 20HP including cleaning/servicing the same, by means of grinding of impeller, facing of housing/defuser and replacing u/s neck rings, lock nuts, gland folowers, gland and small worn out parts etc for smooth and efficient functioning including all as specified and directed by Engr-in-Charge.

All as per item No 48 here-in-before but of capacity 5HP

All as per item No. 48 here-in-before but of capacity 12.5HP

All as per item No. 48 here-in-before but of capacity 30HP

All as per item No. 48 here-in-before but of capacity 75HP including replacement of shaft.

M&L for water quality testing on monthly,testing parameters, Biological and chemical test. (Record of testing shall be produced at the time of payment).

Taking out after disconnecting and dismantling electrically and from delivery line sewage sumbersible pumping set 5.5 HP Make KSB model KRTU 100 complete from existing raw sewage sump for repair and maintenance and refixing, reconnecting and testing the same after completion of following repair work :- (a) Cleaning complete pump set and dismantling of submersible motor pump for repair all as directed. (b) Material and Labour for replacement of gasket and 'O' ring set- 1 Set (c) Material and Labour for replacement of existing u/s ball bearing and packing with bearing grease of suitable grade all as directed by Engr-in-charge.- 1 Set of two (d) Material and Labour for replacement of existing u/s mechanical seal- 1 Set (e) Material and Labour for replacement of existing u/s lock nut (f) Material and Labour for replacement of existing u/s shaft/bearing sleeve(S/S)- 1 No. (g) Material and Labour for replacement of Oil with oil of grade SAE 40 W- 2 Ltr. (h) Material and Labour for replacement of existing u/s high Tensile Bolts, LN key type washers etc- 1 Set (j) Assembling the pump and motor duly greasing all fits of various components and screw connections before mounting.

Disconnecting and dismantling from the mounting platform of sewage treatment plant, Air Blower assembly consisting of twin lobe rotary Blower and and motor coupled by V Belt of capacity 7.5 HP complete of Make (Blower) 'EVEREST' and (motor) 'BHARAT BIJLEE' for repair and maintenance and refixing, reconnecting and testing and the same after completion of following repair work :-

(i) Air Blower Assembly (a) Cleaning complete twin lobe rotary blower assy and dismantling of blower for repair all as directed. (b) Material and Labour for replacement of dry bag type suction air filter.- 1 No. (c) Material and Labour for replacement of existing u/s bearing and packing with bearing grease of Castrol AP-2 or equivalent grade all as directed by Engr in charge.- 2 Set of two. (d) Material and Labour for replacement of existing u/s oil seal- 1 Set. (e) Material and Labour for replacement of Oil with oil of grade SAE 90/SERVO GEAR SUPER 90- 4 Ltr. (f) Material and Labour for replacement of existing u/s high Tensile Bolts, nuts, washers etc- 1 Set. (g) Setting clearance of rotor timing using feeler gauges and adjustments untill uniform clearance is set all over.- 1 Job. (h) Assembling the blower duly greasing all fits of various components and screw connections before mounting. (j) Material and Labour for replacement of existing u/s V Belt of No. FK 548- 3 Nos.

(ii) Induction Motor AC 415 V 3 Phase 50 Hz (a) Cleaning complete motor by CTC/Petrol and dismantling of motor for repair all as directed. (b) Material and Labour for cleaning of winding and parts by CTC/Petrol and revarnishing winding , ovening etc- 1 Job. (c) Material and Labour for replacement of existing u/s bearing and packing with bearing grease of suitable grade all as directed by Engr in charge.- 1 Set of two. (d) Assembling the motor duly replacing worn out nut bolts, washers etc. and replacing u/s connection cable lugs- 1 Job.

Material and Labour for foot valve hydro dynamic S shaped having rubber coated synthetic ball of size 150 mm bore including nut bolts washers rubber gasket etc all as directed at site. Make : Normax

Material and Labour for NRV hydro dynamic S shaped having rubber coated synthetic ball of size 150 mm bore including nut bolts washers rubber gasket etc all as directed at site. Make : Normax

Material and Labour for foot valve hydro dynamic S shaped having rubber coated synthetic ball of size 100 mm bore including nut bolts washers rubber gasket etc all as directed at site. Make : Normax

Material and Labour for foot valve hydro dynamic S shaped having rubber coated synthetic ball of size 80 mm bore including nut bolts washers rubber gasket etc all as directed at site. Make : Normax

Material and Labour for foot valve hydro dynamic S shaped having rubber coated synthetic ball of size 50 mm bore including nut bolts washers rubber gasket etc all as directed at site. Make : Normax

supply and fix fully automatic star delta starter without sheet metal enclosure, panel mounting type with timer, relay and contractor includingpush button 2 nos for panel door mounting, of suitable rating for use at 25 HP Pump set connecting, testing complete all as directed at site. Make : BCH/C&S/L&T

All as per Item S No 61 here-in-before but suitable rating for use at 15 Hp pump set

All as per Item S No 61 here-in-before but suitable rating for use at 5 Hp pump set

Supply, installation, testing & commissioning of high torque motorize valve with gears and adopters self Lubricating Type, Weather proof with protection against, over voltage,Short circuit ,Jamming of valve and over current protection with manual by-pass arrangement to open/Close the valve on power failure operated on 230 V single phase, 50 Hz AC supplyincluding taking down the existing old unserviceable sluice/butterfly valve incl nuts, bolts, washers, rubber sheet etc all as directed at site. (a) Valve Size :- 80MM (3") (b) Designed line pressure 10 Kg/sqcm (c) Operating angle :- 90 Degree (d) Disc Material : CI with nylone coating (e) Valve type : Butterfly with geared motor on top Make Valve : Belimo Actuators : Belimo

All as per Item S No 64 here-in-before but valve size 100 mm

All as per Item S No 64 here-in-before but valve size 150 mm

Cleaning of RCC OH reservoir by pumping out the accumulated water at the bottom using submersible pump,removing the complete slit by suction process using either suction pump or vacuum process, cleaning the walls, ceilling & floor using high pressure water jet with pressure up to 2300 PSI to dislodge all the mud,dirt,algea,fungus and layers of calcinations,vacuum cleaning to remove the dislodged waste using industrial vacuum cleaner, spraying anti- bacterial agent/ food contact sanitizers to walls,celling & floor of tank to make it sterile to take care of any futher suspend bacteria,viruses which might have remained in the tank complete with out disturbing the water supply to area applying one coat of white wash to entire tank as taking out after cleaning and deposting to a distance upto 50 Mtr from the starting point all as directed by the Engr-in-Charge including writing the date of cleaning of OH tank on external wall of OH reservoir at appropriate location with 4 inch (100mm) sizes in capital letter by using synthetic enameled paint of white colour on black painted surface of suitable size all as directed by Engr in Charge of following capacities OH reservoir.

(a) 8000-15,000 gallon capacity at 60 feet staging

(b) 33,300 gallon capacity at 60 feet staging

(c) 50,000 gallon capacity at 60 feet staging

(d) 1,00,000 gallon capacity at 60 feet staging

All as per S No 67 above but RCC UG sump

(a) 5000 to15,000 gallon capacity.

(b) 22000-30,000 gallon capacity.

(c) 40000 - 50,000 gallon capacity.

(d) 75,000 -80,000 gallon capacity.

(e) 150000-200,000 gallon capacity.

Cleaning of following chamber/ Sump at STP by pumping out the sewage water at the bottom using submersible pump,removing the complete sewage sluge process, cleaning the walls, ceilling & floor applying one coat of white wash to entire tank inside and out side.

(a) Oil grease chamber

(b) FAB I & II Chamber (by removing existing MBBR staking at site and remixing at chamber after cleaning)

(c) Secondary clari settler

(d) Chlorine contact Tank

(e) Sludge draying Beds

(f) clear water tank

Supply and replace floating MBBR FAB media out of vergin PP, UV sterilized, White colour of MBBR based sewage treatment plant complete all as specified and directed by Engr-in-charge.

M&L for fine river sand including filling and punning in sludge drying beds of STP all as directed at site.

M&L for replacement of existing u/s nylon net with MS clip of suitable size to vents of size 100/150 mm of UG sump all as directed at site.

Supply only Calcium based high strength granules having more than 65 % chlorine content, used for disinfecting water. Make : Potter and watts/ Puri Chlor/ Declibac

Material and Labour for replacement of existing u/s foundation frame of Pump motor/MS ladder for MBBR chamber and UG sump at STP including fixing arrangement with wall made out of MS iron fabricating structure.

Material and Labour for replacement of existing u/s foundation MS nuts, bolts and washers all as directed at site.

Material and labour for cement concrete type B-0 mix 1:2:4 using 12.5 mm graded stone aggregate as in flooring, finished even and smooth using extra cement for grouting of foundation bolts of motor etc all as specified and directed at site. Note : Rates are deemed to include earth work for demolition of concrete and removal of bolts.

Supply & replacement of UPVC pipe 150mm dia with pressure class 10kg/sqcm including jointing, fitting complete all as directed.

Supply & replacement of UPVC pipe 100mm dia with pressure class 10kg/sqcm including jointing, fitting complete all as directed

S & F of inspection cover with frame for fresh water sump, made out of CI, size 610mm square, chequered type including one bitimine coating on cover for protection from corrotion,removing old frame,graveting etc complete all as directed

Supply, install , testing and commisioning of fabricated distribution header, extendable, made out of mild steel tubes 5 mm thick of size 150 mm bore and flanged fittings upto 150 mm bore duly welded for fixing to existing upto 10 Nos of butterfly valves of size 50 mm to 150 mm /CI fittings including nut,bolt, washers, and rubber gasket joints complete all as directed by Engr in charge

Material and labour for additive bio culture Make BIOWISH from Crystal Chemical or equivalent from Green Aqua Tech ,Thermax and Ion Exchange (Material will be added to as per schedule given by Engr-in- charge)

Supply and fix on wall /cable tray or laid in trenches XLPE cable , PVC sheathed and insulated armoured copper conductor eight core and size 1.5 sqmm, connecting , testing complete incl fixing on wall of OHT/ UG sump/ pump house using clits/ saddle clamps all as directed at site

Supply only Lead wool.

Supply only Rubber insertion sheet 3 mm thick

Supply only M-seal phataphat in 100 gm Packing

Supply only Pig Lead

Supply only Spun yarn

Supply only Bleaching Powder 1st grade having chlorine content not less than 30%.

supply only MS Bolts with nuts and washers of various sizes all as directed by Engr in Charge

Supply only oil of grade SAE 90/SERVO GEAR SUPER 90

Supply only Bearing Grease in 1 Kg Packing

Supply only unarmoured PVC insulated multistranded Copper conductor three core of size 6 sqmm. Make : Havells/Polycab/Plaza

Supply only unarmoured PVC insulated multistranded Copper conductor three core of size 10 sqmm. Make : Havells/Polycab/Plaza

Supply and replace burnt power contactor, 3 pole, 50 Hz suitable for the existing motor of size 75 HP at site complete all as directed. Make : L&T/BCH/C&S.

All as per item No.94 here-in-before but of capacity 35 HP to 40 HP

All as per item No.94 here-in-before but of capacity 20 HP to 30 HP

All as per item No.94 here-in-before but of capacity 10 HP to 15 HP

All as per item No.94 here-in-before but of capacity 5 HP to 10 HP

Supply and replace burnt bimetal over load relay for the following capacity of motor starters as existing at site complete all as directed. Make : L&T/BCH/C&S.

(a) 40 to 75 HP (relay range 45-75 Amps)

(b) 10 to 30 HP (relay range 20-33 Amps)

(c) 5 to 10 HP (relay range 7 -18 Amps)

Supply only long collar Dett Joint suitable for 63 mm CI/DI pipe includingrubber rings and nut bolts and washers

Supply only long collar Dett Joint suitable for 80 mm CI/DI pipe includingrubber rings and nut bolts and washers

Supply only long collar Dett Joint suitable for 100 mm CI/DI pipe includingrubber rings and nut bolts and washers

Supply only long collar Dett Joint suitable for 150 mm CI/DI pipe includingrubber rings and nut bolts and washers

Dismantling, disconnecting electrically and dismounting of old unserviceable water level indicator and making good disturbed surface all as directed at site.

Supply, installation connecting and testing of ultrasonic based water level indicator suitable for use at water supply installations on overhead reservoirs/underground sumps all as directed at site and consisting of following items :-

(a) Advance process indicator, panel mounting type of size 48 mm x 96 mm, operated on 230 V single phase AC supply, protection class for face plate IP- 65 (i) 4 digit 7 segment LED (ii) LED status indicator (iii) TC/RTD/Analog inputs (v) 4 Alarm output (vi) Sensor supply (vii) Max progrmmes -25 (viii) Communication mode - RS 485 mode bus. (ix) Output for sensor- 24 V DC Make : Selec, PIC 1000N-D4

(b) ULTRASONIC Water Level Transmitter Compact two wire loop powered which can be configured for either level or distance in meters, feet or a percentage of span, track level changes as fast as 10 meters per minute, suitable for use in corrosive applications incl suitable protection cage and installation on reservoirs overhead/underground having following specfications:- (i) Measuring Range - 0.3 - 8 m (ii) Enclosure- IP66 glass filled nylon (iii) Power supply- 12-30 v dc (iv) Transducer material- PVDF (v) Process Connection- 2” BSPT (vi) Accuracy- +/-0.5% of meas. Value (vii) Operating temperature- -20 to +70 deg C Make : Pune Techtrol/Seimens Millitronics

Supply , fabrication and fixing structural mild steel RS joist, channel, angle iron, flat iron and brackets etc for fabrication for cross arms supporting, clamps and back plates, including nuts, bolts and washers, welding to shapes for supporting/hanging of duct/pipe on wall/roof/trenches in any shape or size as indicated or directed and inclusive of one red oxide primer coat and one finishing coat of red paint complete all as specified and directed.

Supply and fixing in replacement submersible pump set 1 HP with starter complete all as specified and directed.

Supply, installation and testing in replacement of motorised valve control panel 12 ways with open and closed push button switchs including MCB and contact for each way including mainTPN MCB for incoming supply as per load. Panel wall thickness 2 mm with angle iron frame 40X40X6 mm including all acessary and parts for functioning proper all as specified and directed .

Taking out old unserviceable CI Sluice valve/butterfly valve of any type form existing position of 50 mm bore. Supply and fixing in replacement of 50 mm bore butterfly valve, flanged end, class 1.0 PN with handle/lever including all fixing arrangement including spacener complete ISI marked, stainless steel rust and corrosion free all as directed by Engineer-in-Charge.

All as per item No.111 but for 80 mm bore pipe.

All as per item No.111 but for 100 mm bore pipe.

All as per item No.111 but for 150 mm bore pipe.

Taking down old broken PVC tube settler media from STP and supply and fixing new tube settler media PVC, 2mm thickness black in colour hexagonal shape as per sample approved by GE at sewage treatment plant.

SARASWATI ELECTRIC STORE

KRISHNA ASSOCIATES

DIWAKAR CONSTRUCTION CO.