REPAIR/REPLACEMENT OF EXTERNAL WATER SUPPLY, VARIOUS PUMP SET, CLEANING AND DISINFECTION OF OHT ALONGWITH ALLIED WORKS OF OUT POCKETS AREA UNDER GE DINJAN

Amount

Surface dressing not exceeding 15 cm deep in soft/loose soil complete all as specified and as directed.

Excavation in trenches not exceeding 1m wide and not exceeding 1.5m in depth for foundation, etc. not exceeding 10 Sqm in plan and getting out in soft/loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick in soft/loose soil complete all as specified and as directed.

Removing and excavated materials not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 m above starting point in soil complete all as specified and as directed.

Taking up or down 100 mm bore steel water tubing galvanised including connections from trenches/wall/floor/ceiling etc and keeping serviceable quantity in safe custody for re-use at same site or other site complete all as specified and as directed. Note : Excavation and earth work shall be measured and paid separately under relevant item.

Taking up or down 80 mm bore steel water tubing galvanised including connections from trenches/wall/floor/ceiling etc and keeping serviceable quantity in safe custody for re-use at same site or other site complete all as specified and as directed. Note : Excavation and earth work shall be measured and paid separately under relevant item.

Taking up or down 50 mm bore steel water tubing galvanised including connections from trenches/wall/floor/ceiling etc and keeping serviceable quantity in safe custody for re-use at same site or other site complete all as specified and as directed. Note : Excavation and earth work shall be measured and paid separately under relevant item.

Taking up or down 40 mm bore steel water tubing galvanised including connections from trenches/wall/floor/ceiling etc and keeping serviceable quantity in safe custody for re-use at same site or other site complete all as specified and as directed. Note : Excavation and earth work shall be measured and paid separately under relevant item.

Taking up or down 25 mm bore steel water tubing galvanised including connections from trenches/wall/floor/ceiling etc and keeping serviceable quantity in safe custody for re-use at same site or other site complete all as specified and as directed. Note : Excavation and earth work shall be measured and paid separately under relevant item.

Taking up or down 20 mm bore steel water tubing galvanised including connections from trenches/wall/floor/ceiling etc and keeping serviceable quantity in safe custody for re-use at same site or other site complete all as specified and as directed. Note : Excavation and earth work shall be measured and paid separately under relevant item.

Taking up or down 15 mm bore steel water tubing galvanised including connections from trenches/wall/floor/ceiling etc and keeping serviceable quantity in safe custody for re-use at same site or other site complete all as specified and as directed. Note : Excavation and earth work shall be measured and paid separately under relevant item.

Supply, laying, connection and testing 100 mm bore, steel water tubing, galvanised iron, medium grade conforming to IS 1239 (Part -1) : 2004 with all fittings conforming to IS 1239(Part -2):2011 and fixtures laid in trenches etc complete all as specified and as directed.

Supply, laying, connection and testing 80 mm bore, steel water tubing, galvanised iron, medium grade conforming to IS 1239 (Part -1) : 2004 with all fittings conforming to IS 1239(Part -2):2011 and fixtures laid in trenches etc complete all as specified and as directed.

Supply, laying, connection and testing 50 mm bore, steel water tubing, galvanised iron, medium grade conforming to IS 1239 (Part -1) : 2004 with all fittings conforming to IS 1239(Part -2):2011 and fixtures laid in trenches etc complete all as specified and as directed.

Supply, laying, connection and testing 40 mm bore, steel water tubing, galvanised iron, medium grade conforming to IS 1239 (Part -1) : 2004 with all fittings conforming to IS 1239(Part -2):2011 and fixtures laid in trenches etc complete all as specified and as directed.

Supply, laying, connection and testing 25 mm bore, steel water tubing, galvanised iron, medium grade conforming to IS 1239 (Part -1):2004 with all fittings conforming to IS 1239(Part -2):2011 and fixtures laid in trenches etc complete all as specified and as directed.

Supply, laying, connection and testing 20 mm bore, steel water tubing, galvanised iron, medium grade conforming to IS 1239 (Part -1) : 2004 with all fittings conforming to IS 1239(Part -2):2011 and fixtures laid in trenches etc complete all as specified and as directed.

Supply, laying, connection and testing 25mm bore, steel water tubing, galvanised iron, medium grade conforming to IS 1239 (Part -1) : 2004 with all fittings conforming to IS 1239(Part -2):2011 and fixtures fixed to walls and ceilings or laid in floors, etc. complete all as specified and as directed.

Supply, laying, connection and testing, 20mm bore, Steel water tubing, galvanised iron, medium grade conforming to IS 1239 (Part -1):2004 with all fittings conforming to IS 1239(Part -2) : 2011 and fixtures fixed to walls and ceilings or laid in floors, etc. complete all as specified and as directed.

Supply, laying, connection and testing, 15mm bore, Steel water tubing, galvanised iron, medium grade conforming to IS 1239 (Part -1) : 2004 with all fittings conforming to IS 1239(Part -2) : 2011 and fixtures fixed to walls and ceilings or laid in floors, etc. complete all as specified and as directed.

Relaying/refixing only old serviciable galvanised steel tubing 100 mm bore in new or old location using new fitting and fixures complete trenches/walls/floorse all as directed.

Relaying/refixing only old serviciable galvanised steel tubing 80 mm bore in new or old location using new fitting and fixures complete trenches/walls/floorse all as directed.

Relaying/refixing only old serviciable galvanised steel tubing 50 mm bore in new or old location using new fitting and fixures complete trenches/walls/floorse all as directed.

Relaying/refixing only old serviciable galvanised steel tubing 40 mm bore in new or old location using new fitting and fixures etc complete trenches/walls/floorse all as directed.

Relaying/refixing only old serviciable galvanised steel tubing 25 mm bore in new or old location using new fitting and fixures complete trenches/walls/floorse all as directed.

Relaying/refixing only old serviciable galvanised steel tubing 20 mm bore in new or old location using new fitting and fixures complete trenches/walls/floorse all as directed.

Relaying/refixing only old serviciable galvanised steel tubing 15 mm bore in new or old location using new fitting and fixures complete trenches/walls/floorse all as directed.

Taking up 150 mm bore cast iron pipes (including all fittings) with spigot and socket end and lead joints including burning out lead joints and recovering lead complete all as specified and as directed. Note : Excavation and earth work shall be measured and paid seperately.

M&L for 150 mm bore, cast iron pipe with spigot and socket ends centrifugally cast class A in any length laid in trenches complete all as specified and as directed. Note : Jointing and excavation and earth work shall be measured and paid separately under relevant items.

Relaying in trenches, serviceable 150 mm bore cast iron pipes with spigot and socket ends of any class including cleaning of old pipes and transportation of pipes from one site to another work site within Dinjan Mil Campus as required complete all as specified and as directed .

M&L for run lead joint for cast iron spigot and socket pipes and fittings 80 mm bore with new lead and other jointing materials complete all as specified and as directed.

Supply only galvanised iron nut, bolt and washer of any size complete all as specified and directed .

M&L for two coats of synthetic enamel paint to centrifugal pump of rain, sump and swage including only after removing of old paint by rubbing embroyed paper/wire brushed complete preparation surfaces complete all as specified and as directed.

S&F for 100 mm bore cast iron diaphragm valves (ISI marked) conforming to IS-14846/2000 both end flanged with cast iron body,with stainless steel spindle, with iron hand wheel including all necessary fixing arrangement such as MS nuts, bolts, washers and gasket etc and testing including taking down old unserviceable diaphragm valve complete all as specified and as directed. Make : RMCO/ZOLOTO/HDPE Lined Diaphram Valves.

S&F for 100 mm bore butterfly valve (ISI marked) both end flanged with cast iron body,with iron handle including all necessary fixing arrangement such as MS nuts,bolts, washers and gasket etc and testing including taking down old unserviceable diaphragm valve complete all as specified and as directed. Make : Code No. CI030 of Leader//Zoloto/Audco.

Taking out of 15 HP monoblock pump set from foundation or floor and transporting the defective pump set to civil workshop for carry out the repair and over hauling and replacement at the following unserviceable parts and back from civil workshop after repair and refixing in same existing position and reconnection with base plate and testing, making good water supply and electric connection as per existing for smooth running of pump motors complete all as directed. Note : Spare parts required for repair/overhauling shall be measured and paid seperately.

Supply and fix in repairs ball bearing as per sample suitable for 15 HP pump as per existing monoblock pump complete all as specified and as directed.

M&L for rewinding of motor,415 Voly AC, 50 Hz, of capacity 15 HP of monoblock pump with same guage (as per of existing guage and same number of turns) of super enamelled copper conductor including providing core insulation and heat, varnishing and testing on completion complete all as specified and as directed.

Supply only impeller suitable for 15 HP pump as per existing monoblock pump complete all as specified and as directed.

Supply only shaft suitable for 15 HP pump as per existing monoblock pump complete all as specified and as directed.

Supply only ball bearing as per sample suitable for 15 HP pump as per existing monoblock pump complete all as specified and as directed.

Supply only bushing suitable for 15 HP pump as per existing monoblock pump complete all as specified and as directed.

Supply only pump casing suitable for 15 HP pump as per existing monoblock pump complete all as specified and as directed.

Supply only cooling fan of motor suitable for 15 HP pump as per existing monoblock pump complete all as specified and as directed.

Taking out of 5 HP monoblock pump set from foundation or floor and transporting the defective pump set to civil workshop for carry out the repair and over hauling and replacement at the following unserviceable parts and back from civil workshop after repair and refixing in same existing position and re-connection with base plate and testing, making good water supply and electric connection as per existing for smooth running of pump motors complete all as specified and as directed. Note : Spare parts required for repair/overhauling shall be measured and paid seperately.

Supply and fix in repairs ball bearing as per sample suitable for 5 HP pump as per existing monoblock pump complete all as specified and as directed.

M&L for rewinding of motor,415 Voly AC, 50 Hz, of capacity 5 HP of monoblock pump with same guage (as per of existing guage and same number of turns) of super enamelled copper conductor including providing core insulation and heat, varnishing and testing on completion complete all as specified and as directed.

Supply only impeller suitable for 5 HP pump as per existing monoblock pump complete all as specified and as directed.

Supply only shaft suitable for 5 HP pump as per existing monoblock pump complete all as specified and as directed.

Supply only ball bearing as per sample suitable for 5 HP pump as per existing monoblock pump complete all as specified and as directed.

Supply only bushing suitable for 5 HP pump as per existing monoblock pump complete all as specified and as directed.

Supply only pump casing suitable for 5 HP pump as per existing monoblock pump complete all as specified and as directed.

Supply only cooling fan of motor suitable for 5 HP pump as per existing monoblock pump complete all as specified and as directed.

S&F in repair of direct online starter for 5 HP Motor with over load relay protection complete all as specified and as directed. Make : Cat No. IHPDOLLA*E of Havells /L&T/Indoasian.

S&F in replacement of pressure gauge 100 mm dia, range 0 to 60 Kg/CM2, as per the existing make and specifications with 3/8" brass sampling cock and pressure gauge cock complete all as specified and as directed. Make : Ramco/Omega/H-Guru/General Instrument.

S&F in repair MCCB, 4 pole, 415 Volt, breaking capacity 36 KA, 100 Amps with fixed thermal and fixed magnetic setting complete fixed in LT panel board complete all as specified and as directed.

S&F in repairs MCB, TPN, 32Amps, 'C' Series, 10 KA capacity complete all as specified and as directed. Make : L&T/Havells/Legrand.

S&F in repairs on load change over switch, 100 Amps, 4 pole, 415 V, 50 Hz, fully compacted in 1.6mm thick CRCA sheet enclosure of size 215x255x190mm and direct mounted & front operated type, manually operated, consisting of two sets of terminals for connecting two incoming supply sources alongwith all necessary accessories complete all as specified and as directed. Make : Cat Part : IHCNFE0100 of Havells/HPL/INDOASIAN/L&T.

Taking up or down old/unserviceable cast iron sluice valve of any size (150mm/100mm/80mm bore) form valve pit chamber and its connection complete all as specified and as directed.

S&F for 80 mm bore, cast iron sluice valve both end flanged, class PN 1.6 conforming to IS -14846 (raising stem type) with iron wheel head and stainless steel spindle including necessary jointing materials like nuts, bolt, washer and rubber/fiber board gasket complete all as specified and as directed.

S&F for 100 mm bore, cast iron sluice valve both end flanged, class PN 1.6 conforming to IS -14846 (raising stem type) with iron wheel head and stainless steel spindle including necessary jointing materials like nuts, bolt, washer and rubber/fiber board gasket complete all as specified and as directed.

Dismantling of 80mm bore sluice valve for replacement of unserviceable stainless steel spindle with lock nuts and gland packing (rubber gasket) cover with adjustable bolts and nuts (two No’s) including refixing and testing complete all as specified and as directed.

Dismantling of 100mm bore sluice valve for replacement of unserviceable stainless steel spindle with lock nuts and gland packing (rubber gasket) cover with adjustable bolts and nuts (two No’s) including refixing and testing complete all as specified and as directed.

S&F in repairs 15 mm bore, gun metal, gate valves with iron wheel head, screwed both ends for iron pipe complete all as specified and as directed.

S&F in repairs 20 mm bore, gun metal, gate valves with iron wheel head, screwed both ends for iron pipe complete all as specified and as directed.

S&F in repairs 25 mm bore, gun metal, gate valves with iron wheel head, screwed both ends for iron pipe complete all as specified and as directed.

S&F in repairs 40 mm bore, gun metal, gate valves with iron wheel head, screwed both ends for iron pipe complete all as specified and as directed.

Taking out submersible motor pump and pump set assembly of capacity 15 to 17.5 HP and checking all the parts including carrying out the following repairs, replacement and refixing after necessary repair as required complete all as specified and as directed. Note : (i) Repair shall be measured and paid separately. (ii) Unservicable column pipe shall be replaced and shall be measured and paid separately under respective items.

S&F in repairs 50 mm bore, gun metal, gate valves with iron wheel head, screwed both ends for iron pipe complete all as specified and as directed.

Dismantling all the parts of the submersible motor and pump set complete assembly of capacity 15 to 17.5 HP and checking all the parts including carrying out the following repairs, replacement of defective parts with new one and lowering to pump well, commissioning and testing complete as required and directed by the Engr-in-charge with following works :- (a) M&L for cutting burnt winding, cleaning of moving work properly using petrol/suitable solvent and rewinding of complete stator winding with best quality insulated super enamelled copper wire, water proof as per existing gauge with connected works. (b) M&L for repairing to motor shaft assembly by cutting, welding, grinding and polishing complete including polishing work. (c) S&F for motor bush set complete - 04 No (d) S&F for thrust bearing set complete - 02 No (e) S&F for neck ring complete - 02 Nos (f) S&F for Gun Metal Impeller - 04 Nos (g) S&F for casing bushing set - 04 Set (h) S&F for coupling set - 02 Set (j) S&F for coupling bush set - 02 Set (k) S&F for shaft sleeve set - 02 Set

S&F for mild steel column pipe 100 mm bore heavy duty flanged type with slot for cable protection 6 Mtr long with nuts, bolts, gaskets and washer and provn of cable entry system including taking out unserviceable pipe complete all as specified and as directed.

S&F for mild steel column pipe 80 mm bore heavy duty flanged type with slot for cable protection 6 Mtr long with nuts, bolts, gaskets and washer and provn of cable entry system including taking out unserviceable pipe complete all as specified and as directed.

S&F in repairs copper conductor cables, insulated, 3 core, 10 Sqmm, 1100 volts grade suitable for connection submersible pump set of capacity upto 17.5 HP complete all as specified and as directed. Make : Payal/Plaza/Havells/Finolex.

S&F in repairs copper conductor cables, insulated, 3 core, 6 Sqmm, 1100 volts grade suitable for connection submersible pump set of capacity upto 17.5 HP complete all as specified and as directed. Make : Payal/Plaza/Havells/Finolex.

S&F in repair fully automatic star delta motor starter of capacity up to 25 HP, relay max. range 17 to 25 Amp, 415 volts, 3 phase complete as specified and as directed. Make : Cat No. IHPASDQD* of Havells/L&T/CG.

S&F in repair automatic star delta motor starter of capacity up to 20 HP, relay max. range 17 to 25 Amp, 415 volts, 3 phase complete as specified and as directed. Make : Cat No. IHPASDPD* of Havells/L&T/CG.

S&F in repair single phase preventer complete as per existing motor starter complete all as specified and as directed. Make : Havell'S/L&T/Legrand.

S&F in repairs contactor 4 pole 40 Amp with AC Coil 415 V, 50Hz with NO/NC and auxilary contactor suitably fix in existing motor starter complete all as specified and as directed. Make : Cat No IHPAC025300* of Havell's/L&T.

S&F in repairs thermal over load relay 17-25 Amp (Auto/ Manual Reset) three pole suitably fix in existing motor starter complete all as specified and as directed. Make : Cat No. IHNR11AP of Havell's/L&T/Indoasisan.

Demolition of plain cement concrete (unreinforced) in ground floors, pavings and foundation of pump/motor not exceeding 15 cm thickness. (below or above ground level) complete all as specified and as directed.

M&L for plain cement concrete (1:2:4) type B-2 (using 40mm graded stone aggregate) as in foundation, platform, etc including necessary formwork complete as specified and as directed.

Demolition of damaged brick masonry valve pit of size 90cm x 90cm x 90 cm (internal dimensions) including concrete work and construction of similar size valve pit with one brick thick wall in cement mortar (1:4) on 100 mm thick PCC (1:4:8) type D2 (using 40mm graded broken stone aggregate) as in foundation lean concrete, including PCC (1:3:6) type C-1 (using 20mm graded crushed stone aggregate) as in benching and coping and 10mm thick cement plaster in CM (1:4) internally and externally upto 15cm below ground level providing valve pit cover made out of 40x40x6mm angle iron frame all-round fixed by means of 4 Nos holdfast 150mm long made out of flat iron 40x6mm embedded in PCC block (1:2:4) type B-1 (using 20mm graded crushed stone aggregate) of size 230x200x100mm incl provn of hinges welded with angle iron frame and MS cover 3mm thck sheet, MS handle of suitable length and size welded with MS cover and suitable locking arrangement and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed all as per relevent TD drawing.

S&F in repairs 100 mm bore, cast iron Non-return (reflux) valve, flange type with by-pass arrangement suitable for 100 mm dia water mains conforming to IS-5312 Part-I class PN 1.6 complete all as specified and directed. Make : Kalpana/Venus/Upadhya/Zoloto.

Supply, install, commissioning and testing, decrin dosing pump, high pressure, single head gear motorised adjustable dosing pump pressure 0 to 100 PSI, AC 230V, 50Hz, RPM 44, HP (1/2) motor, suction and discharge tubing, foot valve/y strainer, anti siphon valve, pressure relif valve etc complete, dosing rate - min2 USGPD & max 30 ltr/hr @ 10kg back pressure along with accessories including lead tubing connecting nuts, injection, check valve, clay weight and ferrules etc all complete as per manufacturers instruction along with FRP construction solution preparation cum settling tank, dosing system consisting of 100Ltrs FRP tank with pump mounting facility on lid and level gauge ,water inlet, solution outlet and sludge drain connectin etc alongwith combined gear motor and agitator withshaft and blade Make : RAMCO/Milton Roy/Tecnomac.

Taking up electric driven submersible motor and pumping set of any capacity from bore well complete with column pipe upto submersion depth by using chain pulley and allied T&P required and development of tube well not less than 10 Hrs and upto 16 Hrs by using chemical and with suitable capacity air compressor by blowing air into the bore well with necessary vertical tubing equipment (till obtaining sand/mud free water upto the complete satisfaction of Engr-in-Charge/GE), including to and fro hire charges of special T&P and including lowering of pump and motor, commissioning and testing complete all as specified and as directed. Note : Special T&P and DHPP(N) to be arranged by the contractor.

M&L for disconnecting of defective air compressor from the pump house including motor of 3 phase and Compressor alongwith PVC pipe including disconnection electric connection as required and dismantling spare parts of air compressor of any size and motor overhauling and rewinding, greasing, testing and separating the unserviceable parts cleaning the serviceable parts, re-metalling machinery polishing and re-assembling including replacement of old parts and necessary painting apply spray paint with two coat of synethetic enamel paint over a coat of red oxide primer complete all as specified and as directed. Note : Replacement of spare items are measured as supply only and paid separately.

Supply only piston for pump set (as per existing air compressor and motor) complete all as specified and as directed.

Supply only piston oil ring (as per existing air compressor and motor) complete all as specified and as directed.

Supply only liner (as per existing air compressor and motor) complete all as specified and as directed.

Supply only bearing (as per existing air compressor and motor) complete all as specified and as directed.

Supply only gear oil complete all as specified and as directed.

Supply only compressor air meter (as per existing air compressor and motor) complete all as specified and as directed.

Supply only nozzle (as per existing air compressor and motor) complete all as specified and as directed.

Supply only gate valve 1/2 inch (as per existing air compressor and motor) complete all as specified and as directed.

Supply only PVC nylon heavy duty pipe (as per existing air compressor and motor) complete all as specified and as directed.

Supply only fan belt (as per existing air compressor and motor) complete all as specified and as directed.

Supply only wheel (as per existing air compressor and motor) complete all as specified and as directed.

Supply, install, testing and comissioning cheminject chemical dozing pump (Make: Rmco model RC-11) available capacity 6 Ltr/hr @ 4kg back pressure, with suction and discharge pipe, foot valve, injection check valve, including FRP solution preparation cum settling tank (Make: RMCO model CDS - 100) of capacity 100 Ltr fitted with speed reducing motor and SS-316 agitator including taking down old unservicable one complete all as specified and as directed. Make : RMCO or equivalent.

M&L for cleaning of P.S. over head reservoir of capacity 10000 gallons internally installed at 40 to 50 feet height staging at different places at Dinjan, cleaning by brooming and rubbing with coir brush, taking out of mud/silt etc and cleaning again with bleaching powder to all internal urfaces, washing with water and taking all rubbish from the tank and emoving the same to a distance not exc 50 mtr and writing date of leaning etc. with paint complete all as specified and as directed.

M&L for cleaning the RCC overhead reservoir for capacity of 40000 gallon at 23 mtr height using high pressure jet pump and taking out dirt from the tank and make dirt free and sterlize the tank with antibacterial agent (H2O2) biodegrable echo-friendly in nature and totally safe for drinking water and finally put an ultra violet ray inside the tank to kill the wave-length if any, making the tank absolutely bacteria free for the tank loading including writing the date of cleaning at outside of OHT using thetic enamel paint complete all as specified and as directed.

M&L for cleaning of external steel surface of existing PS Over Head Tank installed at height of 40' to 50' by complete removal of old paints/rust by applying detergent and scrapping/wire brushing/sand papering and washing with clear water and painting of external surface of PS OH tank complete with two coats of aluminium paint over one coat of red oxide primer including painting of structure, sluice valve and connected all pipe lines from tank to borewell as per colour coding complete all as specified and as directed. Note : Cost of temporary structure/truss for painting deem to be included in quoted rate.

M&L for cleaning and removing all scales and dirt/dust from existing PVC/RCC tank of capacity exceeding 500 ltrs but not exceeding 1000 ltrs without dismantalling of tank including necessary cleaning of inlet and outlet pipe at opening portion and at mouth etc complete all as specified and as directed.

Supply only gland packing 8/10 mm complete all as specified and as directed. Make : CHAMPION or equivalent

Supply only bleaching powder 32 to 35% chlorine content at AGE E/M store yard of GE Dinjan. The make shall be as per approved list issued by E - in - C's branch for the year 2016-17. Note : (1) The contractor has to produce manufactures test certificate and paid vrs while supply of bleaching powder disinfectant . (2) The brand of chemical shall be approved by GE before in corporation in the work complete all as specified and as directed.

M&L for cleaning of underground tanks 11000 gallons capacity including taking out storage/dirt from tank and cleaning side and bottom walls by brooming and rubbing with coir brush, taking out of mud/silt etc and cleaning again with bleaching powder to all internal urfaces, washing with water and taking all rubbish from the tank and throwing away complete all as specified and as directed. Note : T&P items such as pipe, ladder, and pump etc as required deem to be included in quoted rate.

M&L for one coat of lead free black bituminous paints suitable for drinking water grade to inner surface of steel water tanks over 10cm width of girth including preparation of old surfaces of pressed steel plate surfaces complete all as specified and as directed.

M&L for one coat of synthetic enamel paint over a coat of red oxide primer on steel surfaces over 10cm width of girth complete including preparation of old surfaces of steel surfaces by scrapping, rubbing complete all as specified and as directed.

Supply only rubber gasket 2 mm thick as approved complete all as specified and as directed.

Supply only rubber gasket 4/6 mm thick as approved complete all as specified and as directed.

Supply only high strength chlorine dioxide (ClO2) be in 2 component powder form for treatment of disinfection complete all as specified and as directed. Note : (a) The contractor has to produce manufactures test certificate in original indicating Batch No date of manufacturing and paid Vrs while supply of above powder. (b) The clacium based granular disinfectant shall be brought at site in sealed plastic container / bags of appropriate capacity / size. (c) The brand of chemical shall be approved by GE before in corporation of work. Only fresh lot shall be supplied by the contractor. Batch No and date should be marked on every container. (d) The contractor must submit the COC(certificate of compliance) in original from manufacturers by all India authorised MES distributor for each batch of product delivered indicating including chemical analysis report by all India authorised distributor. The approval of product and brand should be approved by E-in-C's branch, New Delhi and in category-I by Min of Drinking Water and Sanitation (both aprrovals be attached) alongwith approval of FSSAI (Food safety and standards authority of India). The product should be efficient biocide, fit for treatment of drinking water and be in powder form in two components A & B in proper packing by 1 Kg with dose of 0.2-0.3 PPM about 5 lakh ltrs of water must be disinfected and with 1 Kg 25 ltrs solution is made at site.

Dismantling existing pressed steel plate of size 1.22m x 1.22m x 6mm thick including taking out jointing bolts, nuts, washers, etc from 10000 gallons over head pressed steel tank installed at 12 to 15 m high staging for repair, cleaning, replacement of unserviceable plates, etc and removing unserviceable plates from site and keeping serviceable plates, bolts and nuts in safe custody for reuse in the work all complete all as specified and as directed. Note : Cost of staging/working platform as involved for the above operation in deemed to be included in the unit rate quoted by the tenderer.)

S&F in repairs bracing, supports, cleats, clamp, etc as per existing size and thickness fabricated from stuructural steel such as angles, flat, channel, etc as required for pressed steel tank & staging at 12 m to 15 m height including cutting, drilling holes, welding as necessary to suit the site requirement and including two coats of lead free black bituminous paint suitable for drinking water internally and two coats of aluminium paint over a coat of red oxide, zinc chrome primer externally after preparation of steel surfaces complete all as specified and as directed.

S&F for factory made pressed steel plate of size 1.22m x 1.22m x 6mm thick placed on existing position at 12 m to 15 m high staging of over head water tank including necessary jointing/connecting materials such as lead wool, rubber gasket, bituminous compound with and including (new) mild steel bolts, nuts, washers, etc as required at site to make the joints perfectly leak proof all as per manufacturer's insturctions including testing of water tightness of the tank complete and including painting with two coats lead free black bituminous paints suitable for drinking water internally over a coat of primer and two coats of aluminium paint over a coat of red oxide, zinc chrome primer externally after preparation of steel surfaces complete all as specified and as directed. Make : Buildsworth or as per existing/equivlant make.

Fixing only serviceable pressed steel plate obtained from item No 109 above after necessary repair, adjustment, cleaning, washing etc and connecting with jointing materials such as lead wool, rubber gasket, bituminous compound, bolts, nuts and washers etc as required to make the joints perfectly leaf proof and testing for water tightness of the tank complete all as specified and as directed. (Note : (a) Old serviceable bolts and nuts obtained from item No 109 above shall be reused after cleaning. (b) New bolts, nuts and washers wherever required as a replacement of old one as directed by the Engr-in-Charge shall be measured and paid separately as Supply only under relevant item here-in-after.

Supply only machine made bolts, nuts and washers made with hexagonal or square head at one end and screwed the other end or both ends to be fitted with washers and one hexagonal or square nut, (dia of bolt 5 to 10 mm and length not exceeding 5 cm) complete all as specified and as directed. Note : This item is applicable for item No 112 above only.

M&L for repairing of old joints of plates in position by unscrewing the jointing bolts, taking out jointing materials such as lead wire/tapes, lead wool, gasket, bituminous compound and replacing with new machine made bolts, nuts, washers as per existing size, gasket, lead wool, bituminous compound suitable for portable water and MS cleats wherever required complete to make the existing defective joints perfectly leak proof and testing for water tightness of the tank complete all as specified and as directed.

Taking out old ordinary unserviceable water level indicator from Over Head PS tank by removing broken rope and connected items and S&F for stainless steel wire rope, multistranded 3 mm dia, 40 RM (approx), repair/replacement of MS Sheet 2 mm thick 5 x 0.6mtr fix on angle iron support, markers fixed on PS tank dom duly painted and writing in figures for showing water Qty complete heavy duty float, counter weight and heavy duty driving gear wheels line fitted all in GI housing including cutting the RCC slab and making good the disturbed surfaces and necessary connected items for smooth functioning of water Qty complete all as specified and as directed.

Supply only OT solution for chlorine test of 500 ml each to AGE E/M Dinjan store yard complete all as specified and directed. Make : RMCO or equivalent.

Supply only iron test solution (3 btls X 500 ml each) complete all as specified and as directed. Make : RMCO or equivalent.

Supply only pocket type chlorine test kit complete complete all as specified and as directed. Make : RMCO model Chlorotest or equivalent.

M&L for opening completely pressure filter (IRP) and oxidation chamber of capacity 10000 GPH and taking out exhausted filter media, dismantling of worn out PVC strainers and nozzles,scrapping, washing inside of filter vessel and disposal of exhausted filter media materials to a distance not exc 50m from site of iron removal filter plant and refilling old serviceable filter media and MnO2 compound by cleaning, washing and repair/welding as required to make the pressure filter shell leak proof for improving the strength and finally reassembling including refilling of new filter media, strainers, nozzles etc in existing position, replacing worn out gasket and nut, bolts and washers etc writing date of cleaning and due date with paint of specific colour complete all as specified and as directed. Note : New filter media, strainers shall be measured and paid separately.

Suppy of new push/threaded type PVC strainer industrial type suitable for water filtration plant of capacity 10000 GPH to match with existing one at IRP bed complete all as specified and as directed. Make : RMCO or equivalent.

Supply and filling in layers special course sand from Barakar river as in filter media suitable for use in existing filtration plant complete all as specified and as directed.

Supply and filling in layers cleaned and dust free filter gravel from Barakar river of size 3mm to 6mm including washing properly before use as in filter media suitable for use in existing filtration plant complete all as specified and as directed.

Supply and filling in layers cleaned and dust free filter gravel from Barakar river of size 7mm to 12mm including washing properly before use as in filter media suitable for use in existing filtration plant complete all as specified and as directed.

Supply and filling in layers cleaned and dust free filter gravel from Barakar river of size 13mm to 20mm including washing properly before use as in filter media suitable for use in existing filtration plant complete all as specified and as directed.

Supply and filling in layers cleaned and dust free filter gravel from Barakar river of size 25mm to 38mm including washing properly before use as in filter media suitable for use in existing filtration plant complete all as specified and as directed.

All as per item No. 124 to 127 above but filling of existing gravel throughly washed and cleaned by using acid before reuse as filter media in existing filtration plant.

Supply only manganese die Oxide (MNO2) as in catalytic media suitable for filtration plant complete all as specified and as directed..

Refilling retrieved manganese die oxide (MnO2) compound after throughly washed and cleaned reuse as catalytic in existing filltration plant complete all as specified and as directed.

M&L for 15mm bore hose pipe heavy duty grade for connection of alum/soda with complete fittings and fixed to walls and ceilings or laid in floor complete all as specified and as directed.

Supply and filling ferric alum [K2SO4Al2(SO4)3.24H2O] in alum pot including opening and cleaning and refitting complete all as specifieed and as directed.

Supply and filling sodium carbonate in soda pot including opening and cleaning and refitting complete all as specifieed and as directed.

FREEZCON

STANDARD ELECTRIC WINDERS

Bimal Trading Company

M/s GANDHESWAR PHUKAN

M/S AUTOMOTIVE WORLD

NChetia and Sons Trading