REPAIR / MAINTENANCE OF WATER SUPPLY LINES AND OTHER CONNECTED WORKS AT AF-II UNDER GE (AF) JAMNAGAR NO.2

Amount

M&L for cleaning of AF-II open well of size 10 metre x 8 metre and 12 metre depth (filled with accumulated sediments, sludge and foreign particles etc upto 1.6 metre height from bottom, & balance portion filled with water up to 12 metre height from bottom of well) by continues dewatering till the complete water is removed from the open well by using suitable capacity non clog diesel engine pump set and cleaning of all the accumulated sediments, sludge and foreign particles up to bottom of open well & removing the same to a distance exc 250 metre but not exceeding 500 metre and depositing where directed by Engr in Charge.

M&L for cleaning of AF-II STP open well of size 10 metre x 8 metre and 12 metre depth (filled with accumulated sediments, sludge and foreign particles etc upto 1.6 metre height from bottom, & balance portion filled with water up to 12 metre height from bottom of well) by continues dewatering till the complete water is removed from the open well by using suitable capacity non clog diesel engine pump set and cleaning of all the accumulated sediments, sludge and foreign particles up to bottom of open well & removing the same to a distance exc 250 metre but not exceeding 500 metre and depositing where directed by Engr in Charge.

Note for item No 1 to 2 :- (i) Dewatering process shall be continuous as per working hrs provn of standby arrangement of another pumping set on failure of working pump set shall be arranged by contractor. (ii) Adequate skilled man power shall be employed for cleaning. (iii) All protective arrangement / instrument during cleaning and dewatering shall be provided by contractor deemed to be included in the cost of cleaning. (iv) Work shall be executed by experienced persons in trade and all safety precautions as per CP norms will be ensured during cleaning of open well / UG sump / Overhead tank by the contractor. (v) An intimation will be given to Engr in charge before execution and after completion of work.

M&L for Cleaning of 500 to 1000 litre capacity HDPE service water tank of and the connected circulating pipes at any position by removing sludge, mud, moss, moulds, efflorescent salts, oil spots etc or any other foreign material from the bottom, cover and internal surfaces by scraping using wire brush, draining out the water from the tank and washing internally with water & bleaching powder (0.10 Kg of bleaching powder will be mix in 1 litre water) and again draining out the water from the tank and writing the date of cleaning with white synthetic enamel paint on black background with synthetic enamel paint complete all as specified and directed.

Taking out unserviceable / defective / damaged / blockage GI pipe 20mm bore steel water tubing, complete all as specified and directed. Note: Exacavation and earhwork shall be measured and paid for separately.

Taking out unserviceable / defective / damaged / blockage GI pipe 25mm bore steel water tubing, complete all as specified and directed. Note: Exacavation and earhwork shall be measured and paid for separately.

Taking out unserviceable / defective / damaged / blockage GI pipe 40mm bore steel water tubing, complete all as specified and directed. Note: Exacavation and earhwork shall be measured and paid for separately.

Taking out unserviceable / defective / damaged / blockage GI pipe 50mm bore steel water tubing, complete all as specified and directed. Note: Exacavation and earhwork shall be measured and paid for separately.

S&F GI tubing medium grade, ISI Marked conforming to IS:1239 Part-I 2004, 20mm bore with and including all fittings such as bends, elbows,tees, short length, socket, union, check nuts, nipples etc. fixed and laid in trenches/floor/under culvert/road crossing etc including testing complete all as specified and directed.

S&F GI tubing medium grade, ISI Marked conforming to IS:1239 Part-I 2004, 25mm bore with and including all fittings such as bends, elbows, tees, short length, socket, union, check nuts, nipples etc. fixed and laid in trenches/floor/under culvert/road crossing etc including testing complete all as specified and directed.

S&F GI tubing medium grade, ISI Marked conforming to IS:1239 Part-I 2004, 40mm bore with and including all fittings such as bends, elbows, tees, short length, socket, union, check nuts, nipples etc. fixed and laid in trenches/floor/under culvert/road crossing etc including testing complete all as specified and directed.

S&F GI tubing medium grade, ISI Marked conforming to IS:1239 Part-I 2004, 50mm bore with and including all fittings such as bends, elbows, tees, short length, socket, union, check nuts, nipples etc. fixed and laid in trenches/floor/under culvert/road crossing etc including testing complete all as specified and directed.

Supply and Fix in repair HDPE pipe with material grade PE 100, PN 10.0 confirming to IS-4984 ISI Marked for working pressure 10Kg/sqcm including taking out old unsv damaged pipe complete all as specified and directed for following sizes:-

Outer dia 90mm with minimum wall thickness 6.7mm

Outer dia 110mm with minimum wall thickness 8.1mm

Supply and Fix in repair submersible pump cable, PVC insulated, PVC sheathed, multi stranded copper conductor cable 1100 volts grade and connecting complete including taking out old unsv damaged cable of following sizes:-

(a) 6sqmm 3 core

(b) 10sqmm 3 core

Excavation in trenches in soft / loose soil n.exc 1.5 mtr wide & n.exc 1.5mtr in depth and n. exc. 10sqm on plan for laying pipe in trenches and getting out in soft / loose soil complete all as specified and directed.

Returning filling in trenches, spreading, levelling, watering and well ramming in layers n.exc 25cm in hard dense soil complete all as specified and directed.

Removing of surplus soil to a distance n.exc 50 mtr and depositing where directed at a level n.exc 1.5 mtr above starting point complete all as specified and directed.

Supply & fix in repair of cast iron Sluice valve PN1.6 as per IS-14846, body, dome, wedge-CI IS:210, rings-bronze IS:318, Spindal-SS IS:6603, Gland Packing greasy jute packing, fasteners-CS, Gasket- Natural rubber, nominal size as under, both ends flanged in existing line, after removal of old unserviceable sluice valve without damaging to existing pipe line complete all as specified and directed for following sizes:- Note : Suitable size flanges for existing pipe line, Joints and jointing materials shall be included under this item.

(a) 150mm dia

(b) 100mm dia

(c) 80mm dia

Supply and fix in repair high pressure, heavy duty cast iron non return valve/ check valve of following sizes, conforming to BS 1868, Class 600, suitable to hydrostatic test pressure for body 156 kg/sq cm & for seat 115 kg/sq cm, both ends flanged in existing line, after removal of old unserviceable non return valve without damaging to existing pipe line complete all as specified and directed. Note : Suitable size MS flanges for existing pipe line, Joints and jointing materials shall be included under this item.

(a) 150mm dia

(b) 100mm dia

(c) 80mm dia

(d) 50mm dia

(e) 40mm dia

(f) 25mm dia

(g) 20mm dia

Supply and fix in repair cast iron butter fly valve, with both end flanged type, conforming to IS 13095 with nuts bolts and washers of suitable size and necessary rubber gaskets etc for following sizes complete incl taking out old unsv complete all as specified and directed for following sizes:-

(a) 150 mm bore

(b) 100 mm bore

(c) 80 mm bore

Taking out unserviceable / defective / damaged Gate valve any size & complete all as specified and directed.

S&F in repair Bronze gate valve class-1 for 15mm bore pipe, with iron wheel head, screwed both ends for iron pipe and fixed, ISI marked conforming to IS 778: 1984, complete all as specified and directed.

S&F in repair Bronze gate valve class-1 for 20mm bore pipe, with iron wheel head, screwed both ends for iron pipe and fixed, ISI marked conforming to IS 778: 1984, complete all as specified and directed.

S&F in repair Bronze gate valve class-1 for 25mm bore pipe, with iron wheel head, screwed both ends for iron pipe and fixed, ISI marked conforming to IS 778: 1984, complete all as specified and directed.

S&F in repair Bronze gate valve class-1 for 40mm bore pipe, with iron wheel head, screwed both ends for iron pipe and fixed, ISI marked conforming to IS 778: 1984, complete all as specified and directed.

S&F in repair Bronze gate valve class-1 for 50mm bore pipe, with iron wheel head, screwed both ends for iron pipe and fixed, ISI marked conforming to IS 778: 1984, complete all as specified and directed.

Supply and fix in repair MS pipe medium grade of size 100mm dia, thickness shall not be less than 4.05mm for suction line of pump, header of pumps and connecting to exisiting pipe line including cutting, fabrication work and including weliding work fixing with exisiting pipe line like suction pipe of all motor pumps with all fittings complete all as specified and directed.

Supply and fix in repair MS pipe medium grade of size 150mm dia, thickness shall not be less than 4.05mm for suction line of pump, header of pumps and connecting to exisiting pipe line including cutting, fabrication work and including weliding work fixing with exisiting pipe line like suction pipe of all motor pumps with all fittings complete all as specified and directed.

S&F in repair ball valve of size 20 mm CPVC type outer diameter including nut bolt washer & rubber packing complete all as specified and directed.

S&F in repair ball valve of size 25 mm CPVC type outer diameter including nut bolt washer & rubber packing complete all as specified and directed.

Material & Labour for PCC 1:4:8 type D2 (using 40mm graded stone aggregate) as in foundation, mass concrete for road crossing etc., complete all as specified and directed.

Material & Labour for PCC 1:3:6 type C2 (using 40mm graded stone aggregate) as in foundation, mass concrete for road crossing etc., complete all as specified and directed.

Material & Labour for PCC 1:2:4 type B2 (using 40mm graded stone aggregate) as in foundation, mass concrete for road crossing etc., complete all as specified and directed.

Material and Labour for Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and directed.

S & F in repair Cast iron foot valve confirming to IS:4038 with rubber seating, flanged end complete incl taking out old unsv complete all as specified and directed for following sizes:-

(a) 150 mm bore

(b) 100 mm bore

(c) 80 mm bore

M&L for dismantling of existing defective/unsv squirrel cage induction motor of capacity 3 to 5 HP, single phase, 415 V, 50 Hz, from the foundation, disconnecting the electric connection, coupling pulley, transportation to work shop, seperating the stator and rotor assembly, cutting down and removing existing burnt out copper windings, cleaning of slots and rewinding of stator with super enamelled solid copper conductor (winding wire) of appropriate gauge and size to match with the existing so as to acheive desired RPM, including varnishing, drying, ovening, overhauling, greasing, providing insualtion and reassembling stator and rotor, connecting coils / winding, fixing in the same position, making necessary electric connection and testing of induction motor complete all as specified and directed.

M&L for Dismantling of existing defective/unsv squirrel cage induction motor of capacity 5 to 7.5 HP, three phase, 415 V, 50 Hz, from the foundation, disconnecting the electric connection, coupling pulley, transportation to work shop, seperating the stator and rotor assembly ,cutting down and removing existing burnt out copper windings, cleaning of slots and rewinding of stator with super enamelled solid copper conductor (winding wire) of appropriate gauge and size to match with the existing so as to acheive desired RPM, including varnishing, drying, ovening, overhauling, greasing, providing insualtion and reassembling stator and rotor, connecting coils/ winding in star and delta mode at the junction box/terminal, fixing in the same position, making necessary electric connection and testing of induction motor complete all as specified and directed.

M&L for Dismantling of existing defective/unsv squirrel cage induction motor of capacity 10.0 HP, three phase, 415 V, 50 Hz, from the foundation, disconnecting the electric connection, coupling pulley, transportation to work shop, seperating the stator and rotor assembly ,cutting down and removing existing burnt out copper windings, cleaning of slots and rewinding of stator with super enamelled solid copper conductor (winding wire) of appropriate gauge and size to match with the existing so as to acheive desired RPM, including varnishing, drying, ovening, overhauling, greasing, providing insualtion and reassembling stator and rotor, connecting coils/ winding in star and delta mode at the junction box/terminal, fixing in the same position, making necessary electric connection and testing of induction motor complete all as specified and directed.

M&L for Dismantling of existing defective/unsv squirrel cage induction motor of capacity 10HP to 15 HP, three phase, 415 V, 50 Hz, from the foundation, disconnecting the electric connection, coupling pulley, transportation to work shop, seperating the stator and rotor assembly, cutting down and removing existing burnt out copper windings, cleaning of slots and rewinding of stator with super enamelled solid copper conductor (winding wire) of appropriate gauge and size to match with the existing so as to acheive desired RPM, including varnishing, drying, ovening, overhauling, greasing, providing insualtion and reassembling stator and rotor, connecting coils / winding in star and delta mode at the junction box/terminal, fixing in the same position, making necessary electric connection and testing of induction motor complete all as specified and directed.

M&L for Repairing / Servicing of unserviceable centrifugal pump set of suitable capacity couplled with 7.5HP to 15 HP electric motor by dismantling the pump and taking out defective/unsv/worn out parts of pump set and replacement of all defective parts as under and reassebling the pump set including testing complete all as specified and directed.

Bearings as per existing (02 nos in each) with bearing sleeve for DE/NDE

Oil / water seal / Mechanical seal assembly

Alignment of pump impeller with motor shaft

lantern ring

Impeller lock nut

Gland

Coupling with rubber bush as per existing

Pump Gasket

Shaft sleeve

Pump wear ring and Pump shoulder ring

M&L for cleaning of pump houses, surrounding area by surface excavation upto 10 cm depth incl removing shrubs, grass, miniplants and other unwanted materials and levelling complete in soft/loose soil all as specified and directed.

M & L for repairing of crack in 150 / 200 mm bore DI / CI water pipe line by providing mild steel two piece half round clamp fabricated with 60 mm wide & 5 mm thick mild steel flat, bend to shape, including nut bolt, rubber packing, & painting of clamp with anti corrosive paint and including necessary earthwork excavation etc as complete all as specified and directed.

M& L for repairing of crack in 100 mm bore DI / CI / GI water pipe line by providing mild steel two piece half round clamp fabricated with 60 mm wide & 5 mm thick mild steel flat bend to shape welding 25 mm size socket, including nut bolt, rubber packing, drilling hole in existing pipe line & painting of clamp with anti corrosive paint complete all as specified and directed.

Supply and fix stainless steel chain, fabricated with SS-304 grade steel fixed to non clogging sewage pump complete all as specified and directed.

De-assembling of electric motor of 15HP of non cloging submersible pump set (Make KSB), cutting and removing the existing burnt winding wire of any gauge, cleaning and making good the slots, rewinding the electric motor with PVC insulated copper wire of existing size / gauge and weight, application of insulating material & varnishing including replacing of ball bearings-02 Nos, moisture seal and re-assembling the motor, commissioning & testing complete all as specified and directed. (AF-II STP Open well)

De-assembling of non-clogging submersible pump of discharge capacity 920 LPM, 12 Mtrs head (Make-KSB), for repair by replacing of company recommended parts of mechanical seal - 2 Nos, lower bearing - 1 No, O ring - 1 No, spiral plate - 1 No, compay recommended lubriucating oil - 7 Ltrs, moisture sensor including bolts, nuts and washers, re-assembling the same and comissioning & testing complete all as specified and directed.

M & L for preparation of old painted exposed surface of E/M installations tanks including pumps-motors,filter media,filter tanks connecting to borewells, old Pipe line of different size from 40 mm to 400 mm bore suction & delivery line existing metre as per site by removing dust, dirt, and painting with two coats of synthetic enamel paint of existing colour by using the air pressure spray gun machine, writing marked in suction /delivery line to pump sets with white paint complete all as specified and directed.

Supply only gland packing 10 / 12 mm size, complete all as specified and directed.

Krishna Bhoomi Enterprise (BID ID -3387069)