REPAIR / MAINT OF FILTERATION PLANT, SWIMMING POOL, CHEMICAL DOSING PLANT, CONTROL CABLE, VALVE PITS ALONG WITH CERTAIN OTHER CONNECTED WORKS AT AF STATION UNDER GE (AF) JAMNAGAR NO.2

Amount

M & L for Cleaning of UG/Semi/Bldg Top RCC under ground sump of various capacity by removing sludge, mud or any other foreign material from the bottom and internal wall surface of tank by means of wire brush and spraying of cleaned fresh water, bailing out accumulated dirty water inside the tank with pump sets, removal of deposited muds and other sediments, washing of internal surface with sufficient quantity of mixture in suitable proportion (0.10 Kg of bleaching powder will be mix in 1.0 litre water), finally applying two coats of lime washing on entire internal surface of walls, allowing applied coat to become dry and wait for confirmation from MES Staff, writing the date of cleaning and capacity of tank with white synthetic enamel paint on black background with synthetic enamel paint complete all as specified and directed for the following locations:-

Filtration Plant 5 LGPD Raw Water Semi UG Sump

Filtration plant aeriator tank round type

Filtration plant Bldg Top Backwash Tank

Filtration Plant Backwash openwell

Filtration plant sand filter media tank

M&L for replacement of filter media for gravity type water filtration Bed (River-Mahi/Sevaliya Gujarat) with taking out the un serviceable fitler media grade of any size with cleaning of fileter media grade by suitable chemical & cleaning of all side walls by removing of all dirt/mud/scales by wire brush complete all as directed by EIC with refilling of existing media of balance qty which are in serviceable condition & also changing of filter media grade of following size :- Note - (i) Contractor will be submit the invoice copy of filter media grade of the river sand mahi/Savaliya Gujarat

Filter media grade - Gravel 50mm to 40mm

Filter media grade - Gravel 40mm to 20mm

Filter media grade - Gravel 20mm to 10mm

Filter media grade - Gravel 10mm to 5mm

Filter media grade - Gravel 5mm to 2mm

Filter media grade - River sand 16/32

Cleaning and required tilling work of raw water aeration stage and channel by draining out storage water completel cleaning of inner surface of bottom and walls of channel (50x.30x.30) by removing complete accumulated sludge / mud, dirt etc with wire brush and finally washing with fresh water and disinfecting thewith 2% solution of potassium permaganat paint and removing sludge scale mud etc to a distance not exceeding 50 metre and depostting complete all as specified and directed.

M&L for servicing & overhaulling of agitator (alum mixer plant) installed at filtration plant with proper cleaning, greasing, oiling of all movable parts including ractification of minor defects including all electrical connection of starter if any with painting of complete agitator as per existing color code complete all as specified and directed.

M&L for servicing, oiling, painting of worm gear box type A 387 and ration 60/1 connecteed to mototr to rotate the agitator in floculator s per site requirement or complete all as specified and directed.

M&L for over hauling of the compressor of capacity 50 HP by disconnecting the compressor from motor opening and replacing worn out parts reassembling complete compressor and refixing in same positon & connecting including replacing the rusted nuts,bolts,washers etc and testing complete all as specified and directed.

Materail and labour leakage rectification at 250mm diatreated water line from Army to Airforce area in Civil area any leakage, damage at the spot through excavation Manually or JCB and using special T&P equipments cutting of exsiting damage CI/MS Pipe of existing size and fixing the new piece MS pipe Tee, Collar cutting weldind,grinding and matching surface as per on ground if required any PCC for surfacing work any liason reqd in civil authority like JMC, GETCO, GEB, Gujrat Gas ltd inclusive the job

Materail and labour leakage rectification at 400mm Raw water line from JMC to Airforce area in Civil area any leakage, damage at the spot through excavation Manually or JCB and using special T&P equipments cutting of exsiting damage CI/MS Pipe of existing size and fixing the new piece MS pipe Tee, Collar cutting weldind,grinding and matching surface as per on ground if required any PCC for surfacing work any liason reqd in civil authority like JMC, GETCO, GEB, Gujrat Gas ltd inclusive the job

S&F DI fitting for DI spigot and socketed / flanged ends pipes like bends (any type, radius and angle) increasing, decreasing or double socketed / flanged tee pieces single branch 'Y' junction double branch, cross collars caps and plugs, connecting pieces one end flanged and other end socket or spigot and bell mouth pieces one end flanged other end tapering as bell mouth suitable for up to 250 mm bore pipe complete all as specified and directed. Note :- (i) The weight of the fitting for the purpose of payment shall be actual weight of the fitting or as specified in IS code which ever is less. (ii) Jointing materials such as run lead joint, rubber tyton joint shall be measured & paid for separately.

S&F DI fitting for DI spigot and socketed / flanged ends pipes like bends (any type, radius and angle) increasing, decreasing or double socketed / flanged tee pieces single branch 'Y' junction double branch, cross collars caps and plugs, connecting pieces one end flanged and other end socket or spigot and bell mouth pieces one end flanged other end tapering as bell mouth suitable for pipe up to 400mm bore complete all as specified and directed. Note :- (i) The weight of the fitting for the purpose of payment shall be actual weight of the fitting or as specified in IS code which ever is less. (ii) Jointing materials such as run lead joint, rubber tyton joint shall be measured & paid for separately.

M&L for dismantling of existing defective / unsv squirrel cage induction motor of capacity 30 HP to 60HP, 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, provisioning 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 of crack in 200 to 400 mm bore DI / CI / MS 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 complete all as specified and directed.

M& L for repairing of crack in 80 to 150 mm bore DI / CI / GI / MS 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.

Deployment of man power for collecting the sample of water, on monthly basis, from different point such as under ground sump, open well, bore well for chemical testing of water from reputed Govt laboratory for iron content in water, PH value, hardness, turbidity, chloride, fluoride and other parameters as per IS standard submitting the test report to Engineer-in-Charge on 5th day of every month complete all as specified and directed.

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 in soft/loose soil complete all as specified and directed.

Taking down and supply and fix MS pipe (thickness 8mm) for suction line of pump, header of pumps and connecting to exisiting pipe line including cutting, fabrication work and fixing with exisiting pipe line with all fiting dia 80 / 100 / 150 mm complete all as specified and directed.

M&L for periodical servicing & maintenance of chemical dosing plant by providing specialist trades men including replacement of valve, rubber washer, check nut, connecting nuts, adapter and cleaning and servicing of solution tank and connected items to ensure that perfect serviceability of the plant and obtain required dosage to the entire satisfaction of the Engr-in-charge. Note:- (i) Minor item such as gasket, wires, lugs or any other item require for periodical servicing & maintenance shall be deemed to be included in the cost of this item. (ii) Major spare part if found unserviceable shall be measured & paid separately as supply only.

Supply and fix in repair single phase electric driven motor, 230 volt, 50 Hz, 120 Watts, 920 RPM suitable for chemical dosing plant, including fitting and testing complete all as specified and directed.

Supply and fix in repair propylene rigid shaft and impeller, of 32 mm dia, 500 mm long with two bladed pitched blade turbine, impeller dia 80mm, blade fixed to shaft, suitable for chemical dosing plant complete all as specified and directed.

Supply and fix in repair white suction / discharge tube of size 3/4" or 3/8" dia suitable for chemical dosing plant complete all as specified and directed.

M&L for fabrication & fixing in position mild steel work for covers, supporting clamps of pipe, ladders, railing of over head water tank, fabricated with mild steel section such as angle, flat, Tee, nut & bolt etc etc, cutting, welding cold or hot drilling holes in any shape or size and fixing arrangement, including painting with two coats of synthetic enamel paint over a coat of red oxide primer complete using steel section of Fe 290 Grade-165 including dismantling of old steel work complete all as specified and directed.

M&L for repairing / servicing of electric motor cap 15.0HP to 20 HP couplled to submersible pump, AC 3 phase, by dismantling the motor and coupling pulley and removal of existing burnt out copper winding wire, cleaning of slots using suitable reagents and rewinding with super enamelled copper winding wire of appropriate gauge to achieve required RPM, varnsihing, drying, ovening, overhauling, greasing, painting and assembling the same after complete repair, connecting with pump and making necessary electrical connection and testing of motor after installation complete all as specified and directed. Note: Contractor shall be responsible for maintaining required RPM after repair. Non compliance of speed considered as incomplete repair.

Supply and mixing TCCA 90 (Trichloroisocyanuric acid) granular for water purification and chlorinelevel control of swimming pool water complete all as specified and directed.

Supply and mixing potash alum crystal type or water soluble alum crystals as flocculant for water purification of swimming pool water complete all as specified and directed.

Supply and mixing blue crystal copper sulphate to maintain PH value and visibility of swimming pool water complete all as specified and directed.

Supply and mixing alum (aluminium sulphate) or non ferric alum of good quality for water purification of filtration plant water complete all as specified and directed.

Supply and fixing in repair of 20/25mm CPVC pipe for water outllet & dosing system complete all as specified and directed.

Supply and fixing in repair of 20/25mm CPVC valve for dosing system complete all as specified and directed.

Supply and fixing of chlorine testing kit & PH valve kit for testing of water to measure chlorine and PH value of water complete all as specified and directed.

Supply & fix in repair PVC flexible hose pipe heavy duty of size 50 mm for outlet connection of pump for suction / delivery of water as per IS standard complete all as specified and directed.

Supply and fix in repair DOL starter up to 2.0 HP pump direct on line start for 260-440 V having relay range 13.2-20A 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 and lay in trenches ductile iron pipes, socket and spigot ends, of size DN 400 mm bore, ISI marked centrifugally cast (spun) ductile iron pressure pipes conforming to IS:8329/2000 classification K-9 rating with nominal wall thickness 6.0mm, suitable for push-on-joint (Rubber gasket-D jointing) with cement mortor lining inside the pipes and outside zinc coating with bituminous finish coat as per IS:8329/2000 including EPDM rubber joints conforming IS: 5382 of 1985 complete all as specified and directed.

Supply and lay in trenches ductile iron pipes, socket and spigot ends, of size DN 300 mm bore, ISI marked centrifugally cast (spun) ductile iron pressure pipes conforming to IS:8329/2000 classification K-9 rating with nominal wall thickness 6.0mm, suitable for push-on-joint (Rubber gasket-D jointing) with cement mortor lining inside the pipes and outside zinc coating with bituminous finish coat as per IS:8329/2000 including EPDM rubber joints conforming IS: 5382 of 1985 complete all as specified and directed.

Supply and lay in trenches ductile iron pipes, socket and spigot ends, of size DN 250 mm bore, ISI marked centrifugally cast (spun) ductile iron pressure pipes conforming to IS:8329/2000 classification K-9 rating, suitable for push-on-joint (Rubber gasket-D jointing) with cement mortor lining inside the pipes and outside zinc coating with bituminous finish coat as per IS:8329/2000 including EPDM rubber joints conforming IS: 5382 of 1985 complete all as specified and directed.

Supply and lay in trenches ductile iron pipes, socket and spigot ends, of size DN 150 mm dia bore, ISI marked centrifugally cast (spun) ductile iron pressure pipes conforming to IS:8329/2000 classification K-9 rating, suitable for push-on-joint (Rubber gasket-D jointing) with cement mortor lining inside the pipes and outside zinc coating with bituminous finish coat as per IS:8329/2000 including EPDM rubber joints conforming IS: 5382 of 1985 complete all as specified and directed.

Supply and lay in trenches ductile iron pipes, socket and spigot ends, of size DN 100 mm dia bore, ISI marked centrifugally cast (spun) Ductile Iron Pressure pipes conforming to IS:8329/2000 classification K-9 rating, suitable for push-on-joint (Rubber gasket-D jointing) with cement mortor lining inside the pipes and outside zinc coating with bituminous finish coat as per IS:8329/2000 including EPDM rubber joints conforming IS: 5382 of 1985 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, spindle-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. Note : Suitable size flanges for existing pipe line, Joints and jointing materials shall be included under this item.

400 mm bore

300 mm bore

200 mm bore

150 mm bore

S & F in repair cast iron air release valve with double orifice type (small & large orifice), kinetic type non clogging & self sealing balls for trouble free operation, totally tamper proof Ideally suited for turbid or clear water conforming to IS:14845/AWWA pressure rating PN 1.6 and jointing materials like gaskets, flanges, nuts and bolts and wahser etc complete for fixing arrangement in water pipes mains for following sizes incl taking out old unsv complete all as specified and directed:-

100 mm bore

80 mm bore

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

150 mm bore

100 mm bore

80 mm bore

Excavation in trenches in hard dense 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 hard / dense soil complete all as specified and directed.

Returning filling in trenches, spreading, levelling, watering and well ramming in layers n.exc 25cm in 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.

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.

Supply and fixing in repair MCCB 3 pole 415 volts, adjustable type 63 Amps with breaking capcity 16KA complete all as specified and directed.

Supply and fixing in repair MCCB 3 pole 415 volts, adjustable type 100 Amps with breaking capcity 16KA complete all as specified and directed.

Supply and fixing in repair MCCB 4 pole 415 volts, adjustable type 160 Amps with breaking capcity 36KA complete all as specified and directed.

Supply and fixing in repair MCCB 4 pole 415 volts, adjustable type 200 Amps with breaking capcity 36KA complete all as specified and directed.

Supply and fixing in repair MCCB 4 pole 415 volts, adjustable type 250Amps with breaking capcity 36KA complete all as specified and directed.

Supply and fixing in repair MCCB 4 pole 415 volts, adjustable type 400Amps with breaking capcity 36KA complete all as specified and directed.

Supply and fix in repair MCB 4 pole 40 Amps capacity complete all as specified and directed.

Supply and fix in repair MCB 4 pole 63 Amps capacity complete all as specified and directed.

DWARKADHISH ENTERPRISE (BID ID -3402313)

M/s SK Traders (BID ID -3404678)

Krishna Bhoomi Enterprise (BID ID -3405023)

SURESH ELECTRICALS (BID ID -3405590)