REPAIR/MAINT OF RO PLANT, CHLORONOME PLANT, STP PLANTS, COMPREHENSIVE MAINT OF RO PLANT AND MISC WORKS AT AF STN NAJAFGARH UNDER GE (AF) TUGHLAKABAD

Amount

M&L for servicing of centrifugal /mono block pump set 20 HP, Opening the pump and re-fixing machining the pump shaft and shaft key ways, impeller shaft hole etc and replacing the key, impeller nut, gland packing, gland nuts and coupling as per existing size including re-fixing the same to the original position and commissioning testing complete all as specified and as directed by Engr-in-charge.

M&L for servicing of centrifugal /mono block pump set 15 HP, Opening the pump and re-fixing machining the pump shaft and shaft key ways, impeller shaft hole etc and replacing the key, impeller nut, gland packing, gland nuts and coupling as per existing size including re-fixing the same to the original position and commissioning testing complete all as specified and as directed by Engr-in-charge.

M&L for servicing of centrifugal /mono block pump set 7.5 HP, Opening the pump and re-fixing machining the pump shaft and shaft key ways, impeller shaft hole etc and replacing the key, impeller nut, gland packing, gland nuts and coupling as per existing size including re-fixing the same to the original position and commissioning testing complete all as specified and as directed by Engr-in-charge.

M&L for rewinding of electric motor upto 20 HP 50 Hz 400/415 volts of mono block/centrifugal pump of any make and type with super enameled copper winding wire including bearing bushes and other accessories etc required to make motor functional and testing on load complete all as specified and as directed by Engr-in-charge.

M&L for rewinding of electric motor upto 15 HP 50 Hz 400/415 volts of mono block/centrifugal pump of any make and type with super enameled copper winding wire including bearing bushes and other accessories etc required to make motor functional and testing on load complete all as specified and as directed by Engr-in-charge.

M&L for rewinding of electric motor upto 7.5 HP 50 Hz 400/415 volts of mono block/centrifugal pump of any make and type with super enameled copper winding wire including bearing bushes and other accessories etc required to make motor functional and testing on load complete all as specified and as directed by Engr-in-charge.

M&L for rewinding of electric motor upto 5 HP 50 Hz 400/415 volts of mono block/centrifugal pump of any make and type with super enameled copper winding wire including bearing bushes and other accessories etc required to make motor functional and testing on load complete all as specified and as directed by Engr-in-charge.

M&L for rewinding of submersible motor by taking out burnt copper winding, cleaning the casing & slots with wire brush & washing with pressure water & shall be dried, rewinding the motor using required gauge of super enameled copper winding wire. Making the winding leak proof & taking out the electric connection with suitable size of submersible cable upto 03 meter, capacity of motor 7.5 HP complete all as specified and as directed by Engr-in-Charge.

All as per item No 8 above but of capacity 5 HP complete all as specified and as directed by Engr-in-charge.

All as per item No 8 above but of capacity 2 HP complete all as specified and as directed by Engr-in-charge.

M&L for repairs & servicing of defective submersible pump of capacity 2 HP by dismantling the pump & removing unserviceable parts, assemble the pump properly after replacements of unserviceable parts complete all as specified and as directed by Engr-in-Charge. Note: (a) The rates are inclusive of transporting the pump from bore well site to repair work shop & back to site. (b) The rate are inclusive of turning/finishing work for fixing of parts properly. (c) The replacement of unserviceable parts will be measured and paid separately under respective item of this schedule.

S&F in replacement of following parts of submersible pump of capacity 2 HP complete all as specified and as directed by Engr-in-Charge.

C.I stage Casing

GM Bush

Brass impeller

Mild steel key for impeller

SS studs with Nuts 10mm

CI intermediate Section

SS coupling bush common for Pump & motor with key

High Tensile steel shaft

M&L for repair & servicing of defective submersible motor of capacity 2.0 HP by dismantling the motor & removing unserviceable parts, assemble the motor properly after replacement of unserviceable parts complete all as specified and as directed by Engr-in-Charge. Note: (a) The rates are inclusive of turning/finishing work for fixing of parts properly. (b) The rates are inclusive of testing of motor at bore well installation for satisfactory functioning/running. (c) The replacement of unserviceable parts will be paid & measured separately under relevant item of schedule.

S&F in replacement of following parts of submersible motor of capacity 2 HP complete all as specified and as directed by Engr-in-Charge.

Bearing bush Gunmetal

Bearing bush SS with Rubber

Oil seal

Thrust plate/thrust bearing set

Sand Guard

CI thrust casing

S&F in replacement of 6 Sqmm multistranded copper conductor, 3 core PVC insulated and sheathed copper screen protected 1100 Volts grade submersible flat cable fixed to column pipes with suitable clamps & jointing material complete including disconnecting & taking out old unserviceable cable complete all as specified and as directed by Engr-in-charge.

M&L for rectifying leakage of CI pipe line including excavation in mud (not exc 1.2m x1.2m x 1.2m) and making arrangement for dewatering by using electric/diesel pump/manual additional labour, taking out existing joint and making new run lead joint (except CI fittings unions and CI pipes) complete all as specified and as directed by Engr-in-charge for following size of pipe lines:-

80 mm bore

100 mm bore

M&L for rectifying leakage of GI pipe line including excavation in mud and making arrangement for dewatering by using electric/diesel pump/manual additional labour, taking out existing joint and making joint including providing all GI fittings i.e. socket, tee, elbow , nipples upto 150 mm length, GI unions, Reducer (Except GI pipes) complete all as specified and as directed by Engr-in-charge for following size of pipe lines:-

80 mm bore

50 mm bore

40 mm bore

25 mm bore

S & F in replacement of Cast Iron Sluice Valve (Stainless Steel Spindle ) of 80 mm bore conforming to IS 14846-2000 PN-1.0 with flanged and drilled ends any pattern including necessary jointing and jointing materials (with rubber gasket, bolts and nuts etc) complete all as specified and as directed by Engr-in-charge.

All as per item No 18 above, but of size 100mm bore complete all as specified and as directed by Engr-in-charge.

S&F in replacement of rubber packing with holes of size 80/100m dia complete all as specified and as directed by Engr-in-Charge

Taking out sluice valve of size 80 mm bore and refacing, regrinding and refixing complete all as specified and as directed by Engr-in-Charge

Taking out sluice valve of size 100 mm bore and refacing, regrinding and refixing complete all as specified and as directed by Engr-in-Charge

S&F in replacement of rusted/corroded GI pipe of size 100 mm bore complete including painting complete all as specified and as directed by Engr-in-Charge.

M&L for construction of brick masonry valve chamber of size 900x900x900mm in cement mortar (1:6) including PCC (1:3:6) type C-2 with 40mm graded stone aggregate and plastering the walls from inside and outside the chamber in cement mortar (1:6) provisioning of angle iron frame 40x40x6mm and 4 mm thick MS plate as chamber cover with locking arrangement and providing of red oxide primer with two coats of synthetic enameled paint all as required including demolition of existing chamber complete all as specified and as directed by Engr-in-Charge.

Cleaning of semi underground sump of capacity 50000 GLN by pumping out water and removing sludge /mud through scrapping etc to place exceeding 50 mtr including scraping of surfaces complete all as specified and as directed by Engr-in-charge.

(f) Indicating Light RYB -01 Set of Three (g) CT’s 60/5 A -01 Set of three (h) copper Bus Bar 100 A 3 Strips & Neutral link 60 A -01 set. (j) MCCB 40 A 16 KA TP- 2 No (Outgoing) (k) Star Delta Starter 20 H.P. with contactors, relay, timer, auxiliary Contacts, On. OFF, Trip Indicating Light, Push Buttons, -02 set of starter (l) Single Phasing Protection -02 No (m) Control Fuse etc-02 set of three (n) Motor protection automation phase sequence corrector suitable for 20 H.P centrifugal /monoblock pump motor - 2 No. Make: Sintrac / Universal Switch Gear Control / SUC (o) Connection plate for the cable motor to the panel -02 No

M&L for Cleaning of PVC tank of capacity 10000 Ltrs by pumping out water duly removing all scale, dirt of mud, fingus etc and washing and flushing the tank wirh chlorine water for the capacity of tanks 10000 Ltrs of PVC tanks including writing the letters on PVC tanks as cleaned on duly mentioning date of cleaning with paint as directed by Engr-in-Charge. NOTE: While cleaning nay parts of the water tanks was broken / damaged the same shall be replaced by the contractor without any extra cost to the department.

Excavation in trenches not exceeding 1.5m wide and n.exc 1.5 in depth in any type of soil getting out and leveling of bottom surface to require level for removing of old pipes or laying of new pipeline complete all as specified and as directed by Engr-in-Charge.

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

Removing excavated material of any type of soil from site to a distance not exceeding 50m away and depositing where directed not exceeding 1.5m above the starting point complete all as specified and as directed by Engr-in-Charge.

M&L in replacement of GI water tubing medium grade with all fittings including dismantling old one and laid in trenches/wall/ roof etc of following size complete all as specified and as directed by Engr-in-Charge.

20 mm bore

25 mm bore

50mm bore

80mm bore

100mm bore

S&F in replacement of cast iron pipes with spigot and socket ends centrifugally cast 100mm dia size class LA, in any length laid in trenches including jointing materials complete all as specified and as directed by Engr-in-Charge. Note: Earth work and CI fittings measured and separate items

S&F in replacement of cast iron pipes with spigot and socket ends centrifugally cast 80mm dia size class LA, in any length laid in trenches including jointing materials complete all as specified and as directed by Engr-in-Charge. Note: Earth work and CI fittings measured and separate items

S&F in replacement of CI fittings for spigot and socket pipes such as bends (any type, radius and angle) tapers any type, (straight, bend increasing, decreasing or double socket etc) Tee pieces single branch, single branch, 'Y' junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs upto 150mm dia bore complete all as specified and as directed by Engr-in-Charge.

M&L for complete for repair of RO plant panel of capacity 5000 LPH including replacement of auxiliary contractor, relay. MCB,s and required necessary accessories and testing complete all as specified and as directed by Engr-in-charge.

M&L for media for MGF suitable for RO plant including taking out old media and gasket complete all as specified and as directed by Engr-in-charge.

Supply and filled (as and when required basis) of RO consumable 8211 anti scalent chemical for preventing scaling of membrane of RO plant complete all as specified and as directed by Engr-in-Charge. Make : ION Exchange/Thermax.

Supply and filled (as and when required basis) of RO consumable SODA ASH for Central RO plant complete all as specified and as directed by Engr-in-Charge. (Make: ION Exchange/Thermax).

M&L in replacement of Micron filter size 4 inch dia X 20 inch length with filter capacity upto 1 micron complete all as specified and as directed by Engr-in-Charge. (Make: Filtration separation/US filter).

Supply only AQUAFIT (calcium based granular disinfection for water treatment more stable than chlorine gas and stronger than Bleaching powder and sodium hypochlorite) packing of 45 Kg drum for use in RO plant and pump house complete all as specified and as directed by Engr-in-Charge.

M&L in replacement of stainless steel valve size 25 mm bore, SS-316 grade complete all as specified and as directed by Engr-in-Charge. (Make : Jindal/Tata)

M&L in replacement of unserviceable rubberized cast iron body vectolic leak proof coupling size 25 mm bore suitable for 5000 LPH Central R.O Plant complete all as specified and as directed by Engr-in-Charge.

M&L in Replacement of old membrane module size 8040 suitable for 5000 Ltr / Hr central RO Plant complete all as specified and as directed by Engr-in-Charge. (Make : Ion exchange/Torray / Hydranautics / Dow)

S&F Gun metal globe or gate valves with iron wheel head, screwed both ends for iron pipes of size 50mm bore complete all as specified and as directed by Engr-in-Charge.

All as per item No 44 above but of size 25 mm bore complete all as specified and as directed by Engr-in-charge.

All as per item No 44 above but of size 20 mm bore complete all as specified and as directed by Engr-in-charge.

M&L for high pressure single electromagnetic diaphragm type adjustable chemical dozing pump capacity 10 LPH at 3 Kg/cm² suitable to doze the NaOCL with accessories including heavy duty Lead Tubing of suitable size, Connecting Nuts, Injection Check Valve, Clay Weight, and connecting Ferrules with mounting arrangement including disconnecting the old one of any type any capacity complete all as specified and as directed by Engr-in-charge. Make:- E Dose/ Milton Roy / Sandur Fluid

Supply in replacement of l Media Filter solution STP for plant capacity 50 KLD complete all as specified and as directed by Engr-in-Charge.

M&L in replacement of Fan belt No. B-64 suitable for air blower motor complete all as specified and as directed by Engr-in-Charge. Make : Fenner or equivalent as approved by GE.

Supply and fill in replacement of Compressor Oil, ISO VG 320 complete all as specified and as directed by Engr-in-Charge. Make : SERVO (IOCL) / MAK (BP) / HPCL

M&L for repair and servicing air cooled blower/compressor by replacing & topping up compressor oil (ISO VG 320 of make - SERVO (IOCL) / MAK (BP) / HPCL), filter, rubber washers, gaskets, oil seal, bearing etc, proper cleaning, proper alignment, adjusting belt tension, checking and ensuring the proper functioning of air blower with motor complete all as specified and as directed by Engr-in-Charge.

M&L for taking out unserviceable MBBR Feed Pump with electric motor 2 HP after disconnecting all electrical connections etc., dismantling & cleaning of pump set, removing the burnt winding, repair to damaged slots and rewinding the motor with new super enameled copper wire of same gauge with equal number of turns, varnishing, taping with cotton taps & drying including replacement of unserviceable minor parts such as seals, nut bolts, screws, bearing, shaft etc and re-assembling the pump set and re-installation at site, commissioning the pump set and testing on full load for 8 Hrs, including shifting to & from workshop, complete all as specified and as directed by Engr-in-Charge.

Dismantling & taking out old unserviceable butterfly valve of 100 mm bore and Supply & fixing new Butterfly valve, 100mm bore, heavy duty single piece cast iron body, including jointing material and testing, complete all as specified and as directed by Engr-in-charge. Make: Kirloskar/ Kartar/ Zoloto

M&L for PCC (1:4:8) type C-1 using 20 mm graded stone aggregate for support anchoring any type of pipe lines etc. complete all as specified and directed by Engr-in-Charge

M&L for preparation of old treated steel & iron surfaces of STP and machinery with all equipments like pumps, panel, chlorine plant, compressor, valves & pipes, ladder etc of any sizes and applying two coats of synthetic enamel paint of approved tint complete all as specified and as directed by Engr-in-Charge.

Dismantling & taking out old unserviceable PVC butterfly valve of 50mm bore and Supply & fixing new Butterfly valve, 50mm bore, heavy duty single piece PVC body, water flangeless, suitable for flow in either direction and seal in both directions & including jointing material and testing, complete all as specified and as directed by Engr-in-Charge. Make: Kirloskar/ Kartar/ Zoloto

M&L for draining out water and cleaning / desludging of raw sewage from the following locations of STP (Sewage Treatment Plant) by manually or mechanically, removing raw sewage / sludge outside the Sludge dring bed in covered Van / trolley and disposed off in allowable area, cleaning the inner surfaces of walls and bottom of chamber / tank by means of scrapping by suitable steel brushes, cleaning & washing of inner surfaces of walls & bottom of chamber / tank using high grade bleaching powder and water complete all as specified and as directed by Engr-in-charge:-

(Bar & Screen Chamber

Equalization Tank

Bacterial Floating Media

Fluidised Aeration Bed

Tube Settler

Activated carbon Filter

Dual Media Filter

Chlorine Contact Tank

Testing of RO and sewage treated water sampling and analysis to be carried out from NABL accredited authorized Lab as per ISI for essential parameters and submitting test results to Engineer-in-Charge complete all as specified and as directed by Engr-in-Charge. Note: - Samples of post treated RO and sewage water to be collected by the contractor in presence of representative of Engineer-in-Charge every month & results of the test shall be submitted to department.

M&L for earthling with galvanized mild steel earth plate electrode 600x600x6 mm thick buried directly in ground (in vertical position) earth pit not less than 2.25 mtr below normal ground level with the top edge of the earth plate not less than 1.5mtr (B.G.L.) and connected to galvanized iron earth strip 32x6mm by means of bolts, nuts, check nuts and washer of galvanized iron including PCC(1:2:4) type B1 precast RCC cover slab with suitable handle made of 12mm round bar, including necessary excavation &earth work in any type of soil. 20mm dia med gde galvanized steel tube for watering with one end fixed with cast iron funnel and wire mesh, 40 mmdia bore, light grade galvanized steel tubing up to 7.5 mtr length for drawing earth lead wire protection common salt, charcoal etc complete all as shown in EP No 3 of SSR Part 1 and testing on completion and dismantling old one complete all as specified and as directed by Engr-in-charge.

Lifting and taking out the sewage submersible pump set and motor of capacity 5.0 to 7.5 HP including column pipe of 100 mm dia by dismantling nuts, bolts, washers and rubber packing etc including disconnecting of submersible cable complete from the sewage sump/well of depth up to 7.0 meter and lowering back the pump after repairing/ removing the sludge from the pump including making electrical connection with the existing panel/starter and connecting the complete the column pipe assembly with nuts, bolts, washers/packing to the existing header without any leakage complete all as specified and as directed by Engr-in-charge. Note: 1. Rate are deemed to be inclusive for jointing of submersible cable, reconnecting the delivery pipe line of submersible pump sets to water mains, testing for satisfactory running & continuous flow of water complete. Spares required during repair will be measured and paid separately under respective items of this schedule.

M&L in replacement of MS works in angle iron/channels/GI strips/nut bolts of any type/size including two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed by Engr-in-Charge.

M&L for electric arc welding at places like flanges/pipe line, joints strip of clarifier tank, approach ladder to aeration tank etc all as specified and directed by Engineer-in-Charge.

Cutting the existing water main of 80mm bore in position and insertion of tail piece and sluice valve including excavation and earth work complete all as specified and as directed by Engr-in-Charge. Note: Sluice valve and tail piece measured and paid separately.

MOHIT ENTERPRISES

M/s R P Enterprises

M/S RK Builders

M/s Prakash Enterprises