MAINTENANCE/ REPAIR AND REPLACEMENT OF VARIOUS SIZE GI PIPELINE/ PVC TANK/ SLUICE VALVE/ GATE VALVE AND ALLIED WORKS FOR MARRIED ACCOMMODATION AND LOWER CAMP AREA AT AIR FORCE STATION UDHAMPUR

Amount

Supply and laying GI water tubing in repairs for 150 mm bore, medium grade galvanized with all fittings (such as tee, elbow, long socket, union, short pieces) and application of bituminous paint on concealed portion of tubing, fixed to wall or ceiling or laid in floor, including taking down existing unserviceable GI tubing and connections etc complete all as specified and as directed. Note:- Rate quoted are included for road cutting/ wall floor and making good damaged portion matching with existing surface with all existing finishes and nothing shall extra admissible on this account. Bidder are requested to quote their rate accordingly.

Ditto all as per item No 1 but 100 mm bore

Ditto all as per item No 1 but 80 mm dia

Ditto all as per item No 1 but 50 mm dia

Ditto all as per item No 1 but 40 mm dia

Ditto all as per item No 1 but 25 mm dia

Ditto all as per item No 1 but 20 mm dia

S & F gun metal gate valve in repairs with inner wheel head, screwed both ends in iron pipe and fixed in the following sizes of make Neta/Zolota/Leader

15 mm dia

20 mm dia

25 mm dia

40 mm dia

50 mm dia

80 mm dia

S & F in repair of stop cock cast copper alloy screwed down high pressure with crutch screwed both ends ISI marked for iron pipes of following sizes, of make Neta/Zolota/Leader

15 mm dia

20 mm dia

25 mm dia

Cutting the existing GI/CI/MS pipe of 100 mm bore and inserting CI/MS Tee of size including all fittings, welding/lead joints and earthwork all as specified and directed.

Dismantling / taking out, transportation of submersible pump or motor 15 HP 3 phase, from pump house to contractor's work shop, dismantling for carrying out necessary repairs / renewal of parts of motors or pump and reassembling complete motors/pump sets & depositing the same after necessary repair to site complete all as directed. Note:- (i) New spares/parts shall be measured & paid separately under appropriate items listed here-in-after. (ii) Quoted rate shall be deemed included of transporting, repair, overhauling and replacement of spares complete.

M&L for cutting out the burnt existing winding of submersible motor of any make and rewinding with the same size of , copper winding wire, etc as per existing all as specified and directed.

Straightening only of the slots of stator of submersible motor complete all as specified and as directed.

Supply only thrust of ball bearing block complete for submersible motor complete all as specified and as directed.

Renewal only of worn out gun metal bushes for submersible motor as per manufacturer's design complete all as specified and as directed.

Supply and fixing in repairs PVC sheathed and PVC insulated, flat, copper conductor submersible cable 3 core of 10 sqmm size, 8 mtr long complete with suitable clips complete all as specified and as directed.

Supply only sand guard of submersible motor complete all as specified and as directed.

Supply only sleeves of end plates of submersible motor complete all as specified and as directed.

Supply only cable grommet (guard) complete all as specified and as directed.

Supply only water seal complete all as specified and as directed.

Re-metaling of PUMP shaft, turning to bring it to original size and shape and polishing of shaft of submersible pump complete all as specified and as directed.

Supply & fixing coupling of submersible motor and pump with key complete all as specified and as directed.

S & F in repair of broken PUMP shaft with new piece, making key slot, grinding to make coupling size, and balancing the rotor complete all as specified and as directed.

Complete overhauling of submersible pump by carrying out, balancing of pump shaft and cutting of key slots, repairs to bowl assembly, rethreading of wornout studs holes and provding over size studs with nuts complete all as specified and directed. Note:- (i) New spares/parts shall be measured & paid separately under appropriate items listed here-in-after.

Supply only bowl bushes complete all as specified and as directed.

Supply only neck ring complete all as specified and as directed.

Supply only steel distance pieces & key complete all as specified and as directed.

Supply only impellor gun metal as per existing complete all as specified and as directed.

Supply only cast iron, bowl complete all as specified and as directed.

Supply only CI, non return valve of required dia complete all as specified and as directed.

Supply only Head Extention (cast iron) complete all as specified and as directed.

Supply only of Wedges of slots complete all as specified and as directed.

Jointing of 3 core cable of any size by using puncture/ rubber compound roll & tape / Sealing compound complete all as specified and as directed.

Dismantling / taking out, transportation of submersible pump or motor 5.0 to 7.5 HP phase, from pump house to contractor's work shop, dismantling for carrying out necessary repairs / renewal of parts of motors or pump and reassembling complete motors/pump sets & depositing the same after necessary repair to site complete all as directed. Note:- (i) New spares/parts shall be measured & paid separately under appropriate items listed here-in-after. (ii) Quoted rate shall be deemed included of transporting, repair, overhauling and replacement of spares complete.

M&L for cutting out the burnt existing winding of submersible motor of any make and rewinding with the same size of , copper winding wire, etc as per existing all as specified and directed.

Straightening only of the slots of stator of submersible motor complete all as specified and as directed.

Supply only thrust of ball bearing block complete for submersible motor complete all as specified and as directed.

Renewal only of worn out gun metal bushes for submersible motor as per manufacturer's design complete all as specified and as directed.

Supply and fixing in repairs PVC sheathed and PVC insulated, flat, copper conductor submersible cable 3 core of 10 sqmm size, 8 mtr long complete with suitable clips.

Supply only sand guard of submersible motor complete all as specified and as directed.

Supply only sleeves of end plates of submersible motor complete all as specified and as directed.

Supply only cable grommet (guard) complete all as specified and as directed.

Supply only water seal complete all as specified and as directed.

Re-metaling of PUMP shaft, turning to bring it to original size and shape and polishing of shaft of submersible pump complete all as directed

Supply & fixing coupling of submersible motor and pump with key complete all as specified and as directed.

S & F in repair of broken PUMP shaft with new piece, making key slot, grinding to make coupling size, and balancing the rotor complete all as specified and as directed.

Complete overhauling of submersible pump by carrying out, balancing of pump shaft and cutting of key slots, repairs to bowl assembly, rethreading of wornout studs holes and provding over size studs with nuts complete all as specified and directed. Note:- (i) New spares/parts shall be measured & paid separately under appropriate items listed here-in-after.

Supply only bowl bushes complete all as specified and as directed.

Supply only neck ring complete all as specified and as directed.

Supply only steel distance pieces & key complete all as specified and as directed.

Supply only impellor gun metal as per existing complete all as specified and as directed.

Supply only cast iron, bowl complete all as specified and as directed.

Supply only CI, non return valve of required dia complete all as specified and as directed.

Supply only Head Extention (cast iron) complete all as specified and as directed.

Supply only of Wedges of slots complete all as specified and as directed.

Jointing of 3 core cable of any size by using puncture/ rubber compound roll & tape / Sealing compound complete all as specified and as directed.

Disconnection of submersible pump set of any size from existing system water supply & electrical and Taking out / Uplifting the U/S pump set from deep borewell with disconnected from lowering pipe line of any size with manual or suitable electric driven chain pully upto 240 ft depth reassembling after neccesary repair and re-lowering the pump set in same borewell re-connection of complete all as specified and directed. Note:- i) Repair of U/s pump set will be paid separately. (ii) All type of T/P required to complete the job will be arranged by contractor. (iii) Job will be done round -o-clock continued as per site requirement as directed by AGE. (iv) Delay in job will be charged on the basis of Rs. 500/- per hour. (v) Items required for motor connection such as PVC insulation tape, valcanised rubber / puncture tube etc will be provided by the contarctor to complete the work and rate as deemed to be quoted in unit rate no extra payment will be made to the contractor.

Supply and fixing in repair submersible cable copper 10 sqmm 3 core Flat type double coated PVC insulated multi stranded FRLSH ,IS marked complete all as specified and as directed.

Supply and fixing in repair submersible cable copper 6 sqmm 3 core Flat type double coated PVC insulated multi stranded FRLSH ,IS marked complete all as specified and as directed.

Supply and Fix in Repair CI reflux valve (non return valve ISI 5312) of size 100 mm bore , heavy duty both end flanged of pressure rating PN- 1.6 and joint with rubber or biber board gasket complate with and including including complete fixing accessories like nut, bolt, washers, packing etc and all as specified and directed by Engr-in-Charge.

Supply and Fix in Repair CI reflux valve (non return valve ISI 5312) of size 80 mm bore , heavy duty both end flanged of pressure rating PN- 1.6 and joint with rubber or biber board gasket complate with and including including complete fixing accessories like nut, bolt, washers, packing etc and all as specified and directed by Engr-in-Charge.

M & L for Painting of centrifugal / monoblock pump with motor and foundation and its connected items of pump house with supper enamelled paint over a coat of red oxide primer after cleaning of dust particles from the surfaces with suitable colour as directed by Engr in Charge.

M & L of run lead joints for spigot and socket CI fittings/pipes incl spurn yarn complete for 100/150 mm bore pipes complete all as specified and as directed.

Excavation, in trenches not exceeding 1.5 mtr wide and not exc 1.5 mtr in depth for laying GI pipe line in hard / dense soil and getting out complete all as specified and as directed.

Returning, filling in, including spreading, leveling watering and well ramming in layers not exc 25 cm thick all as specified complete all as specified and as directed.

Removal of surplus excavated material to a distance not exc 50 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and as directed.

Supply and Fix of cast iron sluice valve ISI marked 65 mm dia class PN 1.6 flanged with gun metal spindle including all fittings such as nuts , bolts, washers tec with iron wheel confirming to IS: 780/14846 complete in all respect complete all as specified and as directed.

Supply and Fix in Repair of cast iron sluice valve ISI marked 80 mm dia class PN 1.6 flanged with gun metal spindle including all fittings such as nuts , bolts, washers tec with iron wheel confirming to IS: 780/14846 complete in all respect complete all as specified and as directed.

Supply and Fix in Repair of cast iron sluice valve ISI marked 100mm dia class PN 1.6 flanged with gun metal spindle including all fittings such as nuts , bolts, washers tec with iron wheel confirming to IS: 780/14846 complete all as specified and as directed.

Supply and Fix in Repair of cast iron sluice valve ISI marked 150mm dia class PN 1.6 flanged with gun metal spindle including all fittings such as nuts , bolts, washers tec with iron wheel confirming to IS: 780/14846 complete all as specified and as directed.

Repair/Rewinding of monoblock pump set of cap 0.5 - 1.0 HP single phase 230 Volts , with with super enamelled copper conductor of standard size including varnish, insulation paper and tape including, replacement of unserviceable bush, and replacement to unserviceable bronge empallor as per site requirement. complete all as specified and directed by Engr-in-Charge.

Repair/Rewinding of monoblock pump set of cap 2.0 - 7.5 HP single phase 230 Volts , with super enamelled copper conductor of standard size including varnish, insulation paper and tape including, replacement of unserviceable bush, and replacement to unserviceable bronge empallor as per site requirement complete all as specified and as directed.

Dismantling / Disconnecting the motor with centrifugal pump set and Repair/Rewinding of motor of capacity 30 /40 HP three phase 415 Volts ,50 HZ by rewinding the motor with super enamelled copper conductor of standard size including varnish, insulation paper and tape . Assembly of motor with pump set with necessary studs, bolts, washers and bearing etc complete all as specified and directed. Make of wire : ALTAS /HTP /DEVI DAYAL.

Dismantling / Disconnecting the motor with centrifugal pump set and Repair/Rewinding of motor of capacity 20/22.5 HP three phase 415 Volts ,50 HZ by rewinding the motor with super enamelled copper conductor of standard size including varnish, insulation paper and tape . Assembly of motor with pump set with necessary studs, bolts, washers and bearing etc complete all as specified and directed. Make of wire : ALTAS /HTP /DEVI DAYAL.

Dismantling / Disconnecting the motor with centrifugal pump set and Repair/Rewinding of motor of capacity 7.5-15 HP three phase 415 Volts ,50 HZ by rewinding the motor with super enamelled copper conductor of standard size including varnish, insulation paper and tape . Assembly of motor with pump set with necessary studs, bolts, washers and bearing etc complete all as specified and directed. Make of wire : ALTAS /HTP /DEVI DAYAL.

Supply and Fix in Repair Thremal range Amps 25 - 32 Amps 3 pole 415-440 volt, 50Hz, 16 kA power manual motor starter with rotary knob control protection against overload, Short circuit, incl Phase failure complete ( Make: ABB Cat part No : MS (132-32) 1SAM350000R1015)/ equivalent L&T ST419180000 / C&S TCMS - 32S-32)

Supply & install in repair DOL starter suitable for pump set 30 HP to 40 HP capacity with relay protection and all accessories with fixing arrangement suitable for panel, complete all as specified and directed of make L&T or its equivalent make

Supply & install in repair DOL star delta starter suitable for pump set 10 HP to 20 HP capacity with relay protection and all accessories with fixing arrangement suitable for panel, complete all as specified and directed of make L&T or its equivalent make

Supply & install in repair DOL starter suitable for pump set 05 HP to 7.5 HP capacity with relay protection and all accessories with fixing arrangement suitable for panel, complete all as specified and directed of make L&T or its equivalent make

Supply and Fix in Repair Thermal Over Load Relay (Auto/ Manual Reset) 3 pole 415-440 volt, 50Hz, AC rating 25 amps complete all as specified and directed ( Make; Havells cat part No : IHNR 11AP (type RT21)/ Legrand : 4166 77 / C&S TR2DM32353 )

Supply and Fix in Repair of Cast iron Butterfly Valve , SS dise with hand lever operated, lining test pressure PN 1.6 ISI marked of size 200 mm dia including welding work all fittings such as nuts , bolts, washers and rubber gasket etc complete in all respect all as specified.

Supply and Fix in Repair of Cast iron Butterfly Valve , SS dise with hand lever operated, lining test pressure PN 1.6 ISI marked of size 150mm dia including welding work all fittings such as nuts , bolts, washers and rubber gasket etc complete in all respect all as specified.

Supply and Fix in Repair of Cast iron Butterfly Valve , SS dise with hand lever operated, lining test pressure PN 1.6 ISI marked of size 100 mm dia including welding work all fittings such as nuts , bolts, washers and rubber gasket etc complete in all respect all as specified.

Supply and Fix in Repair of Cast iron Butterfly Valve , SS dise with hand lever operated, lining test pressure PN 1.6 ISI marked of size 80 mm dia including welding work all fittings such as nuts , bolts, washers and rubber gasket etc complete in all respect all as specified.

Supply and Replacement of Cast iron Butterfly Valve , SS dise with hand lever operated, lining test pressure PN 1.6 ISI marked of size 65 mm dia including welding work all fittings such as nuts , bolts, washers and rubber gasket etc complete in all respect all as specified.

Supply and Fix in Repair of Cast iron Butterfly Valve , SS dise with hand lever operated, lining test pressure PN 1.6 ISI marked of size 50 mm dia including welding work all fittings such as nuts , bolts, washers and rubber gasket etc complete in all respect all as specified.

Disconnecting / Removing existing tanks of capacity upto 500 Ltrs setting aside (for lowering if required) and cleaning of all scaling and dirt etc with bleaching powder and making it germ free including hoisting, reconnecting and refixing in position and writting date of cleaning and next due date with white paint complete all as directed by Engr-in-charge.

Disconnecting / Removing existing tanks of capacity 500 Ltrs to 1000 Ltrs setting aside (for lowering if required) and cleaning of all scaling and dirt etc with bleaching powder and making it germ free including hoisting, reconnecting and refixing in position and writting date of cleaning and next due date with white paint complete all as directed by Engr-in-charge.

Disconnecting / Removing existing tanks of size 2000 Ltrs setting aside (for lowering if required) and cleaning of all scaling and dirt etc with bleaching powder and making it germ free including hoisting, reconnecting and refixing in position and writting date of cleaning and next due date with white paint complete all as directed by Engr-in-charge.

M&L for dismantling old unserviceable tank in replacement with new Rotational moulded polyethylene water storage tanks of capacity 500 ltrs three layered (Cylindrical vertical with closed top) hoisted and fixed in position including ball cock brass of size 20mm dia with polythene ball and inlet, outlet including wash out with plug/over flow pipe and anti mosquito rose coupling at one end all as specified in SSR Pt-I complete all as specified and as directed .

M&L for dismantling old unserviceable tank in replacement with new Rotational moulded polyethylene water storage tanks of capacity 1000 ltrs three layered (Cylindrical vertical with closed top) hoisted and fixed in position including ball cock brass of size 20mm dia with polythene ball and inlet, outlet including wash out with plug/over flow pipe and anti mosquito rose coupling at one end all as specified in SSR Pt-I complete all as specified and as directed.

M&L for dismantling old unserviceable tank in replacement with new Rotational moulded polyethylene water storage tanks of capacity 2000 ltrs three layered (Cylindrical vertical with closed top) hoisted and fixed in position including ball cock brass of size 20mm dia with polythene ball and inlet, outlet including wash out with plug/over flow pipe and anti mosquito rose coupling at one end all as specified in SSR Pt-I complete all as specified and as directed.

Dismantling / taking out of cast iron (CI) pipe, Supply & laying new Ductile iron (DI) pipe150mm bore including rubber gasket water mains with flanged ends, centrifugally cast of class K-9, and wall thickness 6mm complete all as spacified and directed of following bore sizes (Note - DI spacials / fitting, Excavation, earth work shall be measured and paid separately).

S & F in repairs Ductile iron specials 'ISI marked' for pressure water mains up to 150 mm bore including rubber gasket, spigot and socket Tee, pieces, single or double branch connection or collar etc complete all as specified and directed. (Note - Excavation and earth work shall be measured and paid for seperatly).

S & F in repair cast iron connecting pieces one end flanged and other socket or spigot or bell mouth or any size tapper upto 300 mm bore complete all as specified and directed. (Note - Joints excavation and earth work shall be measured and paid seperatly)

Removing / Relaying / Fixing for cleaning including taking out of GI Steel Tubing & conection with all fittings in old / new location laid in trenches / floor / wall complete all as specified and directed (Note - Excavation & earth work shall be measured and paid seperately) of the following sizes :-

20 mm bore

25 mm bore

40 mm bore

50 mm bore

Supply only lead pig complete all as specified and as directed.

Supply only lead wool complete all as specified and as directed.

Supply only white lead complete all as specified and as directed.

Supply only spun yarn dressed complete all as specified and as directed.

Supply only cotton waste complete all as specified and as directed.

Supply only rubber insertion sheet 3 mm thick complete all as specified and as directed.

Supply only rubber insertion sheet 6 mm thick complete all as specified and as directed.

S & F in repair Gun metal spindle with qutku "U" thread suitable for any make /model sluice valve of the following sizes :-

200 mm bore.

150 mm bore.

100 mm bor..

80 mm bore.

M&L PCC 1:4:8 type D-2 (using 40 mm graded stone aggregate) as in foundation of pillar / wall complete all as specified and directed.

M & L for repair / repalcement of valve pit masonery chamber of size 650x650x650 mm (internal dimension) with MS plate 8 mm thick top cover locking arrangement 50 mm lock - 01 No including painting with two coat of synthetic enamel paint over a coat of red oxide primer including excavation earth work, PCC plaster etc complete all as specified and directed and shown on drawing.

- ditto - all as above but internal diamension 900x900x900 mm complete all as specified and as directed.

M & L PCC 1:3:6 type C-1 (using 20 mm graded stone aggregate) as in coping in supporting pillar for pipe wall etc wall complete all as specified and directed by EIC.

Cutting of road (in hard / dense soil ) for laying pipe line or repair to pipes / lead joints etc, of any size upto 01 mtr. Depth and getting out incluiding forming bottom surface to required level and making good the road as per existing all as specified and directed by EIC.

S & F in repair incluiding taking down of Air release valves, cast iron of size 1/2 to 4 inch with cover and all fixing accessories, riser pipe complete all as specified and directed by Engr -in -Charge.

S & F in repair incluiding taking down quick Coupling Valves, aluminium of size 32 mm (QCV) with self closing thermo plastic lid cover & MS shadle (63mmx32mm) with 300 mm long GI medium grade riser pipe complete all as specified and directed by EIC.

S & F in replacement of stuffing box of sluice valve complete with gland plate nut bults & gland packing etc. complete all as specified and directed of the following sizes :-

200 mm bore.

150 mm bore.

100 mm bore.

80 mm bore.

Supply only high strength calcium based granular containing appropriate quantities of chlorination dipensates / corrosion inhibitors to prevent encrustation / scaling in distribution system in 45 / 50 Kg packing of approved and tested from Govt lab or equivalent testing agency (not more than 02 months old packing) complete all as specified and directed by EIC. Make-Adani Wilmar model -PURICHLOR / ALTOCH GP or its equivalent

S & F GI Nipple of Size 20 mm complete set complete all as specified and as directed.

S & F GI Nipple of Size 25 mm complete set complete all as specified and as directed.

S & F GI Union of Size 25 mm complete set complete all as specified and as directed.

S & F GI Union of Size 20 mm complete set, complete all as specified and as directed.

S & F GI Socket of Size 25 mm complete set complete all as specified and as directed.

S & F GI Socket of Size 20 mm complete set, complete all as specified and as directed.

S & F GI Elbow of Size 20 mm complete set, complete all as specified and as directed.

S & F GI Elbow of Size 25 mm complete set,complete all as specified and as directed.

S & F GI Tee of Size 20 mm complete set ,complete all as specified and as directed.

S & F GI Tee of Size 25 mm complete set complete all as specified and as directed.

S & F PVC Tank lead (top cover) high quality / heavy duty theraded type suitable for 500 ltrs complete all as specified and as directed.

S & F PVC Tank lead (top cover) high quality / heavy duty theraded type suitable for 1000 ltrs complete all as specified and as directed.

S & F PVC Tank lead (top cover) high quality / heavy duty theraded type suitable for 2000 ltrs complete all as specified and as directed.

S & F Start Push button (Green colour) normally open contact suitable for soft starter of capacity up to 30 KW complete all as specified and as directed.

S & F Stop Push button (Red colour) normally closed contact suitable for soft starter of capacity up to 30 KW complete all as specified and as directed.

M & L for leakage rectification, cutting of existing pipe and making threaded for repair / replacement of U/S fittings etc.pipe in short length ( up to 1.5 mtr ) for addition / alteration of 15 to 25 mm dia GI pipe and including replacement of fittings pipe in short lengths (up to 1.5 mtrs) of 15 to 25 mm dia GI pipe , welding including necessary excavation & earth work as required for making it serviceable complete all as specified and directed.

Ditto all as per item No 79 but 50 to 80 mm bore complete all as specified and as directed.

Ditto all as per item No 79 but 100 to150 mm bore complete all as specified and as directed.

Supply and installation with testing complete of digital water level indication device, operating on single phase supply direct display in 19 mm size digit system in meter/cubic meter of water of over head tank ensuring alarm while water fall or rise over predetermined limit including taking down unserviceable one with the following description: Make: Seco type DDS-2 . Note: (a) The entire unit must operate through a compact electronic circuit which must ensure reliable operation at 230 V+ 10% at 50 HZ + 5% with readable in digit display and alarm at low and high level of UG sump. (b) One circuit must be housed in high impact polystyrene moulded box with nylon moulded connections strips. The level system must be resistance/transducer type and resistive to corrosion and other contents available in water. (c) The whole unit must be controlled electronically and the upper level and lower level indications must be transmitted through highly sensitive micro switch. The complete unit must be in two parts. Each complete part must be fitted in MS CRS sheet box separately. One must be installed at UG sump/OH tank and second at pump House with proper powder coating paint with locking arrangements.

Repair only with testing complete of digital water level indication device, operating on single phase supply direct display in 19 mm size digit system in meter/cubic meter of water of over head tank ensuring alarm while water fall or rise over predetermined limit including taking down unserviceable one with the following description: Make: Seco type DDS-2 . Note: (a) The entire unit must operate through a compact electronic circuit which must ensure reliable operation at 230 V+ 10% at 50 HZ + 5% with readable in digit display and alarm at low and high level of UG sump. (b) One circuit must be housed in high impact polystyrene moulded box with nylon moulded connections strips. The level system must be resistance/transducer type and resistive to corrosion and other contents available in water. (c) The whole unit must be controlled electronically and the upper level and lower level indications must be transmitted through highly sensitive micro switch. The complete unit must be in two parts. Each complete part must be fitted in MS CRS sheet box separately. One must be installed at UG sump/OH tank and second at pump House with proper powder coating paint with locking arrangements.

S & F flexible copper cable 4 sqmm 4 / 6 core size from sump/over head tank to pump house for connecting the both units of water level indicator and passing through PVC flexible/rigid conduit and fixing on walls wherever required.

Developing tubewell by compressed air with minimum pressure of 10Kg/Sq cm to 30 Kg / Sqcm and minimum 600 CFM all as specified in IS 11189-1985, para 4.3 and directed at site. Note :- (i). Compressor, pump, pipe and other allied items shall be arranged by the contractor and nothing extra shall be admissible on this account.

Developing tube well by over pumping for tube well complete after development by compressor and water shall be used only after receipt of satisfactory test result as per IS, all as specified and directed. Note:- Over pumping will be carried out by pumping the water at higher capacity i.e. not less than 50% above the yield of bore well. Cost of arranging pump and compressor is deemed to be included in the unit rate quoted.

M & L Pea gravel of 2 mm to 4 mm size of approved quality as ordered to pack around the casing/slotted pipes in bore well in angular space between well assembly and bore hole wall should be over minimum 15-18 cm and thoroughly washed before sorrounding in the well and treated, with suitable amount of sodium hexa-metaphosphate for 24 hrs before developing by compressed air complete all as specified and directed.

Yield test for the bore well by continuously pumping for 16 hours to determine safe pumping yield complete all as specified and as directed.

Supplying chemical and bacteriological testing of sample from approved laboratory to ensure potability of water complete all as specified and directed.

M & L Plain cement concrete (1:5:10) type E-2 using 40mm graded stone aggregate as in foundation filling and mass concrete all as specified and directed.

M & L for MS black column pipe, 3 mtr long heavy duty, 80mm bore wall thickness 5.4mm, both end flanged with heavy duty MS flanged not less than 16mm screwed and welded inside and outside. The flange end making surface shall be made smooth including welding of 04 strip of 5.0mm thick 25mm wide and 50mm long covering pipe and both end flanged having 08 Nos predrilled hole not less than 16mm including rubber gasket, nut bolts and washer. Pipe should be duly painted with anti corrosive paint complete all as specified and directed.

M & L for MS black column pipe, 3 mtr long heavy duty, 50mm bore wall thickness 5.4mm, both end flanged with heavy duty MS flanged not less than 16mm screwed and welded inside and outside. The flange end making surface shall be made smooth including welding of 04 strip of 5.0mm thick 25mm wide and 50mm long covering pipe and both end flanged having 08 Nos predrilled hole not less than 16mm including rubber gasket, nut bolts and washer. Pipe should be duly painted with anti corrosive paint complete all as specified and directed.

Supply & Fix Submersible Tollo pump 0.5 HP complete all as specified and directed. Make: Kirloskar / Prayag / Symet.

Supply & Fix Submersible Tollo pump 1.0 HP complete all as specified and directed. Make: Kirloskar / Prayag / Symet.

Supply & Fix Motor (Tollo pump ) 1HP to 1.5 HP complete all as specified and directed. Make: Kirloskar / Prayag / Symet.

S & F in repairs PCC pit and RCC cover for replacement of damaged / broken pit cover of earthing as specified and complete all as directed by Engineer - in Charge.

Supply only bleaching powder the chlorine intent form 35-40% chlorine powder or chromate lime, used for water treatment complete all as specified and directed.

Supply only rubber / PVC hand gloves to handle chemical complete all as specified and directed.

Supply only soda ash (Baking Soda) of Make : TATA / CHEMPLAST/ CAGL

Supply only non ferric crystral alum. (Aluminium Sulphate)

Supply only Copper Sulphate

M & L for cleaning and repair of Static Water Tank (SWT) of capacity 25,000.00 gallons by adopting following method :- (a) Taking out the water from the sump with the help of monoblock pump set and removing accumulated sludge and solid particles etc deposited at the bottom of sump and removing the same to a distance not exc 50 metres away as directed by Engr-in-charge. (b) Washing with clean water and bleaching power solution by rubbing with wire brusesh on all side walls, dome portion and bottom of the tank and removing grits and other deposited materials complete inside and outside of sump and washing with two coats of cement wash and applying two coats of cement base paint and making it absolutely germ free complete all as specified and dircted by Engr-in-Charge. (c) Repair to leakage, water inlet point and water out let point, with quick setting cement (d) Replacement of wire mesh cover placed at the top of sump complete all as specified and directed by Engr-in-Charge. (e) Repair and Painting of iron cover placed at the top of sump complete all as specified and directed by Engr-in-Charge.

M & L for cleaning and repair of Static Water Tank (SWT) of capacity 15,000.00 gallons by adopting following method :- (a) Taking out the water from the sump with the help of monoblock pump set and removing accumulated sludge and solid particles etc deposited at the bottom of sump and removing the same to a distance not exc 50 metres away as directed by Engr-in-charge. (b) Washing with clean water and bleaching power solution by rubbing with wire brusesh on all side walls, dome portion and bottom of the tank and removing grits and other deposited materials complete inside and outside of sump and washing with two coats of cement wash and applying two coats of cement base paint and making it absolutely germ free complete all as specified and dircted by Engr-in-Charge. (c) Repair to leakage, water inlet point and water out let point, with quick setting cement (d) Replacement of wire mesh cover placed at the top of sump complete all as specified and directed by Engr-in-Charge. (e) Repair and Painting of iron cover placed at the top of sump complete all as specified and directed by Engr-in-Charge.

S & F in replacement PVC float valve / ball valve high pressure with polythene float and fly nut complete screwed with iron pipe or brass and fixed in repairs ferrule of the following sizes of make Prayag / Symet

15 mm dia

20 mm dia

25 mm dia

shivom builders

DAVINDER SINGH

KARAN TRADERS

MOHAN LAL AND SONS

PAWAN KUMAR GOVT. CONTRACTORS