REPAIR AND MAINTENANCE OF WATER SUPPLY DISTRIBUTION SYSTEM AT BEGUMPET, CAW AND CAW OFFICERS MESS, AIR FORCE RESIDENDTIAL ACCN UNDER GE (AF) HAKIMPET

Amount

Note:- 1. The contractor should visit the site before quoting the tender to know the working condition of the station. 2. All requisite safely measures are to be adopted by contractor on site. 3. The contractor shall provide and deploy sufficient electrician (as approved by GE / Engineer in charge) shall report at 9:00 hrs to JE E/M / Engineer in Charge to collect the complaints job card in working days and complete the same completed within 24 Hrs. 4. The complaints shall be rectified within 24 Hrs if the complaints is/are not attended / not completed within 24 Hrs (Except repair/replacement of major items) recovery will be done at Rs 500 per complaint per day. 5. For major parts like replacement of MCB, DBs, MCCBs etc should be rectified within 3 working days, if the contractor not rectify within time then recovery will be done at Rs 1000 per complaint per day. 6. After completion of job work complaint, the contractor has to produce job card duly signed by user & JE / Engineer in Charge. 7. If contractor failed to provide their electrician to attend the complains then recovery will be done at Rs 1000 per day. 8. The contractor should procure minimum 50% of the materials for all items as per BOQ (Other than paints) mentioned in this CA, within 20 days after getting sample approval and kept in safe custody so that no delay in work due to non-availability of materials will be faced. Contractor should ensure during the cause of work that he has minimum 25% of materials with him till the completion of work. If contractor fail to complete the work within contract due to lack of fittings a penalty of 20% shall be applicable on quoted rates by the contractor. 9. In repair works, rate quoted for demolition /dismantling /taking down is deemed to be inclusive of removing the same from site and station. 10. In maintenance works, the contractor should maintain separate registers for repair works. Day to day complaints should be noted in those registers with SI nos of complaints, location qty of work, status of complaints and signature of in charge and stamp of the office. Formal will be given from concern AGE office. The contractor should obtain the signature of in charge on the same day of work. These register to be submitted to JE (E/M) on every weekend without fail. 11. The contracts involving working at elevated locations of buildings, contractor should ensure proper safety arrangements as per norms. Wearing safety belts and helmets are mandatory. A penalty of Rs 1000 per day will be recovered from contractor if safety norms are not followed. 12. The plumbing complaints resulting wastage of water should be rectified within 12 working hours and if contractor fail to fulfill this, a recovery of 10% of rate quoted for relevant item will be charged from contractor in this regard. 13. After completion of work, no stores/debris/ loose items be kept at work site or dumped inside station . Entire area to be cleared and waste material be taken outside from the station .

Dismantling the delivery pipe line of submersible pump set from water mains, lifting / taking out of GI column Pipes of 40 / 50 / 65 mm dia submersible cable / defective submersible pump set from bore well for servicing / repairs and lowering of repaired submersible pump set with GI column pipe 40/50mm dia submersible cable etc. complete in the bore well at various sites. The job is inclusive of M&L for disconnecting and jointing of submersible cable, disconnecting and reconnecting the delivery pipe line of submersible pump sets to water mains, testing for satisfactory running & continuous flow of water complete all as specified & as directed by the Engineer-in-Charge.

Repairs & Servicing of defective submersible pump of capacity upto 5 HP by dismantling the pump & replacinig unserviceable parts, assemble the pump properly, testing for satisfactory functioning complete all as specified and as directed. Note: (i) The rate are inclusive of trasporting the pump from bore well site to repair work shop & back to site. (ii) The rates are inclusive of turning / finishing work for fixing of parts properly. (iii) The replacement of unserviceable parts will be measured and paid separately under relevant Items. (iv) The rates are inclusive of testing of pump at borewell installation for satisfactory functioning / running.

Supplying of following unserviceable parts of submersible pump of capacity 2 to 5 HP capacity of the same make as per existing (fixing charges will be measured and paid under relevent item) :-

CI stage Casing

G M Bush

SS Sleeve

Brass impeller

MS key for Impeller

SS studs with Nuts 10mm

CI intermediate Section

SS coupling bush common for Pump & Motor with key

High Tensile steel shaft

Strainer

Repairs & Servicing of defective submersible motor of capacity upto 5 HP by dismantling the motor & Replacing unserviceable parts, assemble the motor properly, testing for satisfactory functioning complete all as specified and as directed. Note: (i) The rate are inclusive of transporting the motor to repair work shop & back to site. (ii) The rates are inclusive of turning / finishing work for fixing of parts properly. (iii) The replacement of unserviceable parts will be measured and paid separately under relevant item. (iv) Rewinding of motor & servicing of Rotor if required will be measured & paid separately under relevant items. (v) The rates are inclusive of testing of motor at borewell installation for satisfactory functioning / running.

Replacement of the following unserviceable parts of submersible motor of capacity 2 to 5 HP capacity of the same make as existing:-

Bearing bush Gunmetal

Bearing Bush SS with Rubber

Oil seal

Thrust plate / thrust bearing set.

Sand Guard

CI thrust Casing

SS studs with nuts 8 MM

Rewinding of Submersible motor by taking out burnt copper winding from stator, cleaning the casing & slots with wire brush & washing with water under pressure and dried, rewinding the motor using same gauge of insulated copper wire as existing, making the winding leak proof by applying varnish, drying etc., taking out the electrical terminals using suitable size of submersible flat cable upto 2.0 M, installing at its original position for 5 HP motor complete all as specified & as directed by the Engineer-in-Charge.

Servicing to rotor of submersible motor inclusive of Turning / Polishing of rotor shaft of submersible motor of capacity upto 5 HP complete all as specified & as directed by the Engineer-in-Charge.

Replacement of unserviceable GI socket heavy duty 40 / 50 MM dia. Suitable for GI column pipe complete all as specified & as directed by the Engineer-in-Charge.

Replacement of unserveceable Non Return Valve, Gun metal, 40 MM dia complete all as specified & as directed by the Engineer-in-Charge. Make: Kirloskar/BIR/JOLOTO/TIGER.

Replacement of unserveceable Non Return Valve, Gun metal, 50 MM dia complete all as specified & as directed by the Engineer-in-Charge. Make: Kirloskar/BIR/JOLOTO/TIGER.

S&F GI column pipe, heavy grade, 40 mm dia, with ISI mark, with heavy duty GI Socket at one end and other fittings as required for complete fixing all as specified & as directed by the Engineer-in-Charge. Make:TATA/JINDAL

S&F GI column pipe, heavy grade, 50 mm dia, with ISI mark, with heavy duty GI Socket at one end and other fittings as required for complete fixing all as specified & as directed by the Engineer-in-Charge. Make:TATA/JINDAL

Supply & fix, in repairs, Flat Cable PVC insulated & sheathed, multi-stranded copper conductor, water proof suitable for submersible pumpset, 3 core 4 Sqmm complete all as specified & as directed by the Engineer-in-Charge.Make: Finolex/RR KABEL/HPL/Indo-Asian/Havells

Supply & fix, in repairs, Flat Cable PVC insulated & sheathed, multi-stranded copper conductor, water proof suitable for submersible pumpset, 3 core 6 Sq mm complete all as specified & as directed by the Engineer-in-Charge. Make: Finolex/RR KABEL/HPL/Indo-Asian.

Supply and fix in repair Submersible Pump starter DOL type suitable for 3 to 5 HP submersible pump, In Sheet Enclosure mounted on 2Nos. of 1.2m long, 40x40x5mm size angle iron stand duly grouted in PCC 1:4:8, 415V, 50Hz, 3 phase, Conforms to IS/IEC 60947-4-1 & IEC 60947-4-1, with Protections - Overload, Single Phasing, Phase reversal, Phase imbalance Auto Restart Feature Vibration proof enclosure with IP54 protection class, Indications Offered - ON/OFF, Voltage and Ampere all as specified and as directed bu Engineer-in-Charge. Make: L&T / GE / Siemens /Havells/Schneider.

De-silting of accumulated soil from Borewell 150 MM dia & depth up to 100 Meter by using air compressor / special equipments for atleast 12 Hrs, all as specified & as directed by Engineeer-in-charge. Note: The rate shall be inclusive of hiring of Air compressor / special equipment, fuel required, tools & Accessories including transportation & skilled men power to execute the work.

Dismantling the delivery & suction pipe line of monoblock / centrifugal pump set of any capacity from water mains, unscrewing foundation nuts, bolts and disconnecting electric supply, lifting / taking out defective pump set for repairs and re-installation of repaired pump set & connecting suction and delivery pipes & making electrical connections, tightening of foundation nuts & bolts after proper alignment. The Job is inclusive of testing for satisfactory running & continuous flow of water complete all as specified & as directed by the Engineer-in-Charge.

Repairs & servicing of defective monoblock / centrifugal pump set of capacity from 5 HP to 10 HP by dismantling the pump & removing unserviceable parts, assemble the pump properly after replacement of unserviceable parts all as specified and as directed by the Engineer-in-charge. NOTE:- (i) The rate quoted is deemed to be inclusive of transporting the pump from pump house site to work shop & back to site. (ii) The rate quoted is deemed to be inclusive of turning/finishing work for fixing of parts properly. (iii) The replacement of unserviceable parts will be paid & measured separately under relevant items. (iv) The rate quoted is deemed to be inclusive of oiling, greasing to bearing and bushes, providing suitable size of gland rope, replacement of foundation bolts, leak testing of pump at water supply installation for satisfactory functioning / running.

Supply only new spare parts of monoblock / centrifugal pump set of capacity 5 to 10 HP capacity of the same make as existing (fixing charges will be measured and paid under relevent item) :-

CI Gland coller

SS Sleeve

MS/CI Impeller

MS key for Impeller

SS studs with Nuts 10 mm

SS coupling with rubber bushes common for Pump & Motor with Key, Nut bolts etc.

High Tensile steel shaft

SS bearings

Metallic motor cooling fan blade .

Repairs & servicing of defective monoblock / centrifugal pump set of capacity 30 HP by dismantling the pump & removing unserviceable parts, assemble the pump properly after replacement of unserviceable parts all as specified and as directed by the Engineer-in-charge. NOTE:- (i) The rate quoted is deemed to be inclusive of transporting the pump from pump house site to work shop & back to site. (ii) The rate quoted is deemed to be inclusive of turning/finishing work for fixing of parts properly. (iii) The replacement of unserviceable parts will be paid & measured separately under relevant items. (iv) The rate quoted is deemed to be inclusive of oiling, greasing to bearing and bushes, providing suitable size of gland rope, replacement of foundation bolts, leak testing of pump at water supply installation for satisfactory functioning / running.

Supply only new parts of centrifugal pump set of capacity 30 HP capacity of the same make as existing (fixing charges will be measured and paid under relevent item) :-

CI Gland coller

SS Sleeve

MS/CI Impeller

MS key for Impeller

SS studs with Nuts 10 mm

SS coupling with rubber bushes common for Pump & Motor with Key, Nut bolts etc.

High Tensile steel shaft

SS bearings

Metallic motor cooling fan blade .

Rewinding of electrical motor by taking out burnt copper winding from stator, cleaning the casing & slots with wire brush & washing with water under pressure, cleaning with CTC, dried and rewinding the motor using same gauge of insulated copper wire as existing & making the winding leak proof by applying warnish, drying etc. and re-connecting at its original position of capacity of motor above 4 to 10 HP including testing of motor after installation for satisfactory functioning/running all as specified and as directed by the Engineer-in-charge.

Rewinding of electrical motor by taking out burnt copper winding from stator, cleaning the casing & slots with wire brush & washing with water under pressure, cleaning with CTC, dried and rewinding the motor using same gauge of insulated copper wire as existing & making the winding leak proof by applying warnish, drying etc. and re-connecting at its original position of capacity of motor 30 HP including testing of motor after installation for satisfactory functioning/running all as specified and as directed by the Engineer-in-charge.

Scraping of old paints from pump and motor of capacity upto 5.0 HP and applying two coats of synthetic enamel paint with sky blue colour and writing SM/MES No with white paint all as specified & as directed by the Engineer-in-Charge.

Scraping of old paints from pump and motor of capacity above 5.0 HP and upto 10 HP also applying two coats of synthetic enamel paint with sky blue colour and writing SM/MES No with white paint all as specified & as directed by the Engineer-in-Charge.

Scraping of old paints from pump and motor of capacity 30.0 HP and applying two coats of synthetic enamel paint with sky blue colour and writing SM/MES No with white paint all as specified & as directed by the Engineer-in-Charge.

Scraping of old paint from out side of vertical type pressure filter of 2600 mm diameter filtration plant and applying two coats of synthetic enamel paint of colour as directed by the Engineer-in-Charge.

Scraping of old paints from sluice valves, NRVs of sizes 100mm to 200 mm dia and applying two coats of synthetic enamel paint as per colour coding complete all as specified & as directed by the Engineer-in-Charge.

S&F CI NRV with by pass arrangement of size 80mm dia flanged type, including replacement of gasket, nut, bolts, washers etc. and taking down existing unserviceable NRV complete all as specified & as directed by the Engineer-in-Charge. Make: Kirloskar/BIR/SIR.

S&F CI NRV with by pass arrangement of size 100mm dia flanged type, including replacement of gasket, nut, bolts, washers etc. and taking down existing unsrviceable NRV complete all as specified & as directed by the Engineer-in-Charge. Make: Kirloskar/BIR/SIR.

Scraping of old paints from suction and delivery pipes at pump house / Swimming pool premises of sizes 50 to 80mm dia and applying two coats of synthetic enamel paint of approved colour following color coding of suction and delivery pipes and marking direction of flow with white colour paint complete all as specified and as directed by the Engineer-in-Charge.

Scraping of old paints from suction and delivery pipes near by pump house/ Swimming pool premises of sizes 100 to 200 mm dia and applying two coats of approved colour following color coding of suction and delivery pipes and marking direction of flow with white colour paint complete all as specified and as directed by the Engineer-in-Charge.

Replacement of following UNSV spares for fully Auto-matic star delta starter of capacity upto 30 HP and testing all as specified and directed by Engineer-in-charge. Make: L&T / BCH / ABB / GE /Siemens or of make as existing.

Standard operating coils from 110 Volts to 440Volts.

Spare kit with combination coil from 110V to 440V.

Thermal timer with combination coil.

Single phase preventor with timer. Make:L&T, model-SDz5

Single phase preventor relay. Make:L&T, model-Sz5 .

Motor protection circuit breaker with short circuit & overload protection 5.0HP motor with suitable thermal release range in suitable enclosure. Make L&T, type-MOG-H1.

Motor protection circuit breaker with short circuit & overload protection 7.5HP motor with suitable thermal release range in suitable enclosure. Make L&T, type-MOG-H1

Motor protection circuit breaker with short circuit & overload protection 10HP motor with suitable thermal release range in suitable enclosure. Make L&T

Motor protection circuit breaker with short circuit & overload protection 20HP motor with suitable thermal release range in suitable enclosure. Make L&T

Motor protection circuit breaker with short circuit & overload protection 30HP motor with suitable thermal release range in suitable enclosure. Make L&T, type-MOG-H1

Electronic timer type ST 100 of L&T with mounting kit suitable for replacement ET100 timer.

Taking down existing MCCB from the Pump house Panel board and S&F MCCB, 3 Pole, 415 volts, 63 Amps with breaking capacity 25 KA suitable for existing panel board complete all as specified and as directed by the Engineer-in-charge.

Taking down existing MCCB from the Pump house Panel board and S&F MCCB, 3 pole, 415 volts, 100 Amps with breaking capacity 35 KA suitable for existing panel board description complete all as specified and as directed by the Engineer-in-charge.

Taking down unserviceable DOL starter of capcity upto 5.0 HP and supply and fix DOL starter suitable for Pump set of capacity upto 7.5 HP all as specified and as directed by the Engineer-in-charge.

Taking down/Dismantling the existing unserviceable spares, supply and fix the folllowing spares suitable for submersible/ cenrifugal/ monoblock pump set panel of various capacity .

Automatic Star Delta starter with Dry run trip, Single phasing and Phase reversel protection , CT coils and relays suitable for 5 HP to 7.5 HP capacity. Make - Havells/ L&T/ Crompton Greaves

Automatic Star Delta starter with, Single phasing and Phase reversel protection , CT coils and relays suitable for 30 HP capacity. Make - Havells/L&T/ Crompton Greaves

Taking down existing unsv electrical meters, S&F VAF meter suitable for three phase all as specified and as directed by the Engineer-in-charge. Make:Conserve /AE/L&T.

Taking down existing unsv Ammeter and supply and fix new Ammeter 0- 200 Amps range all as specified and as directed by the Engineer-in-charge. Make:Conserve /AE/L&T.

Repair & maintenance to existing earth pit chamber by cleaning and removing foreign material from pit chamber, replacing broken RCC cover slab specified in plate No. 3 of SSR part- I and inclusive of provision of salt solution not less than 5 Kgs salt for one earth pit chamber to obtain required earth resistance value complete all as specified and as directed.

Surface excavation not exceeding 30 cm deep and averaging 15 cm deep and getting out in Soft / loose dense soil, including removal of Bushes, grass, weeds, shrubs alongwith roots etc. and cleaning of all the area surrounded Pump house, UG Sump & OH Tank, valve chambers, treating the area by spraying anti vegetarian growth chemicals, including taking away all the waste from site and burning all as directed.

Excavation in trenches not exc. 1.5 mtr wide and not exc. 1.5 mtr deep and getting out in the following type of soil for laying pipes complete all as specified.

Soft / loose soil

Soft / dense soil

Hard / dense soil

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

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

Material and labour for cutting road/hard standing not exc. 0.60 mtr wide and not exc. 0.25 mtr deep for laying and taking out water pipe line including making good the disturbed portion as per existing earlier complete all as specified and as directed.

Taking up or down steel tubing and connections, including cleaning for re-fixing complete all as specified and as directed for the following sizes.

15 mm dia GI tubing

20 mm dia GI tubing

25 mm dia GI tubing

40 mm dia GI tubing

50 mm dia GI tubing

80 mm dia GI tubing

Refixing old steel tubing and connections in new or old position (walls, ceiling. Floor, trenches etc.) including cleaning or rerunning the old screw thread as required and providing required connecting materials complete all as specified and as directed for the following sizes.

15 mm dia GI tubing

20 mm dia GI tubing

25 mm dia GI tubing

40 mm dia GI tubing

50 mm dia GI tubing

80 mm dia GI tubing

Supply and laying GI tubing medium grade ISI marked with all fittings, laid in trenches complete all as specified and as directed for the following sizes :- Make:TATA / JINDAL / PRAKASH.

15 mm dia GI tubing

20 mm dia GI tubing

25 mm dia GI tubing

40 mm dia GI tubing

50 mm dia GI tubing

80 mm dia GI tubing

Supply and laying GI tubing medium grade ISI marked with all fittings fixed complete to walls and ceiling or laid in floors incl. making good of disturbed surfaces complete all as specified and as directed for the following sizes :- Make:TATA / JINDAL / PRAKASH.

15 mm dia GI tubing

20 mm dia GI tubing

25 mm dia GI tubing

Supply and fix in repairs PVC float valve, working on high pressure, heavy duty with polythene float and iron rod with fly nuts complete screwed for GI pipe all as specified and as directed for the following sizes including taking down old unserviceable float valve :- Make: Prayag / Shakthi / Dripless fancel (India)/Kirti.

15 mm dia bore pipe

20 mm dia bore pipe

25 mm dia bore pipe

Supply & fix in repairs brass ball Vales, screwed female ends to IS 554 / BS 21 / ISO 7, full bore, two piece design, quarter turn, lever operated, provided with forged brass hard chrome plated ball, premium quality PTFE gland packing and seating on iron pipe line and fixed properly of following sizes including taking out unserviceable gun metal gate / ball valve:- Make: Zoloto / Leader / Tiger / Cresent.

15 mm dia bore

20 mm dia bore

25 mm dia bore

40 mm dia bore

50 mm dia bore

M&L for 3-layer PP-R polypropylene random copolymer concealed pipes of size 32 mm outer dia SDR 7.4 (PN-1.6) UV stablized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and as directed by Engineer-in-charge.

M&L for 3-layer PP-R polypropylene random copolymer concealed pipes of size 50 mm outer dia SDR 7.4 (PN-1.6) UV stablized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and as directed by Engineer-in-charge.

M&L for 3-layer PP-R polypropylene random copolymer concealed pipes of size 25 mm outer dia SDR 7.4 (PN-1.6) UV stablized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc complete all as specified and as directed by Engineer-in-charge.

Note for Item ser No- 52 to 54 : Make: Reliance Industries/ Prince/ Savoir- Faire Manufaturing Co. Pvt Ltd

M&L for PP-R gate valves (brass insert) of size 25 mm outer dia including taking down existing gate valve of any description complete all as specified and as directed by Engineer-in-charge.

M&L for PP-R gate valves (brass insert) of size 32 mm outer dia including taking down existing gate valve of any description complete all as specified and as directed by Engineer-in-charge.

M&L for PP-R gate valves (brass insert) of size 50 mm outer dia including taking down existing gate valve of any description complete all as specified and as directed by Engineer-in-charge.

M&L for PP-R gate valves (brass insert) of size 63 mm outer dia including taking down existing gate valve of any description complete all as specified and as directed by Engineer-in-charge.

Note for Item ser No- 55 to 58 : Make: Reliance Industries/ Prince/ Savoir- Faire Manufaturing Co. Pvt Ltd

Taking up cast iron water mains (including all fittings), with spigot and socketed ends and lead joints including burning out lead joints and recovering lead complete all as specified and as directed for the following sizes of pipes :- Note : Necessary Excavation and earth work will be measured and paid separately.

80 mm dia bore cast iron pipe

100 mm dia bore cast iron pipe

150 mm dia bore cast iron pipe

200 mm dia bore cast iron pipe

Re-laying the Cast pipes with spigot, socketed ends in any length laid in trenches complete all as specified and as directed for the following sizes (CI pipe taken up vide relevant item in schedule):-

80 mm dia bore pipe

100 mm dia bore pipe

150 mm dia bore pipe

200 mm dia bore pipe

Supply and laying of DI pipe spigot and socket ends class 'K-7'suitable in replacement of CI Pipes for tyton joint or any length properly laid in trenches all as specified and directed by Engr-In-Charge of following sizes:- Make - Srikalahasti/Electrosteel/Kesoram/TISCO.

80 mm dia bore pipe

100 mm dia bore pipe

150 mm dia bore pipe

200 mm dia bore pipe

Note:- Lead joint and Tyton joint will be measured and paid seperately under respective items of sch.

Supply and fix, in repairs, CI specials fitting for spigot socketed pipes such as bends (any type, radius and angle) Tapers any type, (straight, bend, increasing, decreasing or double sockets etc.) tee pieces, single branch, Y junction, double branch cross (all sockets or socket and spigot or all flanged or flanged and other socket or spigot) collars, caps and plugs etc .as per IS complete all as specified and as directed upto 150 mm dia.

Supply and fix, in repairs, CI specials fitting for spigot socketed pipes such as bends (any type, radius and angle) Tapers any type, (straight, bend, increasing, decreasing or double sockets etc.) tee pieces, single branch, Y junction, double branch cross (all sockets or socket and spigot or all flanged or flanged and other socket or spigot) collars, caps and plugs etc .as per IS complete all as specified and as directed above 150 mm and upto 200 mm dia.

Supply and fix, in repairs, CI specials fitting for flanged pipes such as bends (any type, radius and angle) Tapers any type, (straight, bend, increasing, decreasing or double sockets etc.) tee pieces, single branch, Y junction, double branch cross (all sockets or socket and spigot or all flanged or flanged and other socket or spigot) collars, caps and plugs etc .as per IS complete all as specified and as directed upto 150 mm dia.

Supply and fix, in repairs, CI specials fitting for flanged pipes such as bends (any type, radius and angle) Tapers any type, (straight, bend, increasing, decreasing or double sockets etc.) tee pieces, single branch, Y junction, double branch cross (all sockets or socket and spigot or all flanged or flanged and other socket or spigot) collars, caps and plugs etc .as per IS complete all as specified and as directed above 150 mm and upto 200 mm dia.

All as per Ser item here-in-before, but above 200 mm and upto 300 mm dia bore complete all as specified and as directed.

All as per Ser item here-in-before, but of flanged and socketed type 200 mm and upto 300 mm dia bore complete all as specified and as directed.

Opening and repacking stuffing box of sluice valve spindle including taking apart and reassembling including draining out the chamber as required.

80 mm dia bore

100 mm dia bore

150 mm dia bore

200 mm dia bore

Draining out the valve chamber, taking out sluice valve, transporting to the workshop, refacing, regrinding to make it leak proof, bringing back, refixing including providing rubber insertion sheet, gland packing of suitable sizes, replacing of nuts, bolts and washers etc. to make the sluice valve leak proof and free operational all as specified and as directed for the following sizes :-

80 mm dia bore

100 mm dia bore

150 mm dia bore

200 mm dia bore

Note -1 :- Spindle and check nut will be measured and paid seperately. Note -2 :- Rate of rubber insertion sheet,nut,bolts,washers etc will deemed to be included in the item.

Supply and fix CI sluice valve confirming to IS-14846 with iron wheel head, rating PN 1.6, Steel spindle, bolts and nuts, rubber or fiber board gaskets, including taking out old unserviceable CI Sluice valve from existing position by opening the nuts, bolts, jointing rings etc., complete all as specified and as directed by for the following sizes:- Make: SIR / Kirloskar / BIR / Durga.

80 mm dia bore

100 mm dia bore

150 mm dia bore

200 mm dia bore

M&L Rubber gasket Joint (Tyton Joint) suitable for DI/CI pipe of following sizes all as specified and directed.

150mm dia pipe

100mm dia pipe

80mm dia pipe

Material and labour for caulking in its position to the existing run lead joint complete to make it leak proof including providing required quantity of lead wool complete all as specified and as directed for the following sizes:-

80 mm dia bore

100 mm dia bore

150 mm dia bore

200 mm dia bore.

Material and labour for run lead joints complete including jointing material such as spun yarn complete all as specified and as directed for the following sizes:-

80 mm dia bore pipe

100 mm dia bore pipe

150 mm dia bore pipe

200 mm dia bore pipe

Supply and fix CI foot valve, flanged type of size 100 mm dia bore, PN 0.2, Confirming to IS-4038, made of cast iron, heavy duty with bolts, nuts, rubber / leather washer complete including taking out the unserviceable foot valve from the existing position by opening the nuts, bolts, jointing rings etc., complete all as specified and as directed.

All as per item here-in-before but of size 80mm dia.

All as per item here-in-before but of size 50mm dia.

Cutting of DI/CI/GI pipes in position for insertion of new Tees, branches, Tail pieces and sluice valve etc. complete all as specified and as directed.

80 mm dia bore

100 mm dia bore

150 mm dia bore

200 mm dia bore

Construction of valve chamber having inner dimension 1000 x 1000 x 1000 mm (suitable for 80mm to 200mm sluice valves & reflux valves) with PCC 1:4:8 type D2 for foundation, brick work wall in cement mortar (1:4), PCC 1:2:4 type B1 for coping, rendering plaster in CM 1:4, 15 mm thick including provision of MS Sheet top cover 3mm thick with welding of MS angle iron of size 25mm x 25mm x 4 mm at edges and in diagonal and angle iron base frame of 50 x 50 x 6 mm, painting with two coats of synthetic enamel paint over a coat of red oxide primer on iron surfaces, lime wash on internal and external cement surfaces and locking arrangements including demolition of the existing chamber, necessary excavation and earth work complete all as specified and as directed.

Construction of valve chamber having inner dimension 750 x 750 x 750 mm (suitable for gate valve upto 50mm) with PCC 1:4:8 type D2 for foundation, brick work wall in cement mortar (1:4), PCC 1:2:4 type B1 for coping, rendering plaster in CM 1:4, 15 mm thick including provision of MS Sheet top cover 3 mm thick with brazing of MS flat of size 25 mm x 4 mm at edges and in diagonal and angle iron base frame of 40 x 40 x 5 mm, painting with two coat of synthetic enamel paint over a coat of red oxide primer on iron surfaces, lime wash on internal and external cement surfaces and locking arrangements including demolition of the existing chamber, necessary excavation earth work complete all as specified.

Construction of valve chamber having inner dimension 600 x 600 x 600 mm (suitable for gate valve upto 50mm) with PCC 1:4:8 type D2 for foundation, brick work wall in cement mortar (1:4), PCC 1:2:4 type B1 for coping, rendering plaster in CM 1:4, 15 mm thick including provision of MS Sheet top cover 3 mm thick with brazing of MS flat of size 25 mm x 4 mm at edges and in diagonal and angle iron base frame of 40 x 40 x 5 mm, painting with two coat of synthetic enamel paint over a coat of red oxide primer on iron surfaces, lime wash on internal and external cement surfaces and locking arrangements including demolition of the existing chamber, necessary excavation earth work complete all as specified.

M&L for GI pipe medium grade 100 mm dia with all connected fittings complete such as bend, elbow, socket, flange etc for suction pipe including taking down existging corroded suction pipes complete all as specified and as directed. Make:TATA/JINDAL/PRAKASH.

M&L for providing PCC Type D-2, 1:4:8 using 40 mm stone aggregate in the base of path complete all as directed.

M&L for providing PCC 1:3:6, Type C1 mix using 20 mm stone aggregate as in path complete all as directed.

S&F in repairs for Bib taps PTMT of size 15 mm dia bore , screwed down to iron pipe or for brass ferrule and fixed including taking down existing bib tap of any description complete all as specified and as directed. Make:Prayag/Polytuf of R.S. Ind. / Gokul Plast.

S&F in repairs, 15mm dia PTMT stop valve, screwed down, high pressure, with PVC handle, screwed both ends for iron pipe or for unions and fixed including taking down existing stop valve of any description complete all as specified and as directed. Make: Prayag/Polytuf of R.S. Industries /Gokul Plast

All as per item here-in-before but of size 20mm.

Lifting RCC covers / slabs / PVC cover of RCC/ PVC over head water service tank and carefully taking out float valve, setting aside, removing all dirt and dust, cleaning internal portion of tanks including mouths of circulating inlet/outlet pipes and over flow pipes etc., with caustic soda solution / bleaching powder and completely removing the dirt, debris etc, , writing lettering (Such as tank capacity, cleaned on, Due on, month and year) with white paint over a black painted surface on external side of the tank with letters of 4 cm height, refixing the float valve by providing suitabale check nuts, washers etc., and placing of RCC / PVC covers back in position and ensuring over flow and leakage and repair if required and testing complete all as specified and as directed for the following capacity of tanks:-

Exceeding 250 Ltrs and not exceeding 500 ltrs.

Exceeding 500 Ltrs and not exceeding 1000 ltrs.

Exceeding 1000 Ltrs and not exceeding 2000 ltrs.

NOTE :- (i) Outlet pipe of OHT should be plugged before cleaning the OHT to avoid entering scale and dust, the same shall be reconnected after cleaning the OHT and the quoted rate is deemed to include for this provision. (ii) The quoted rate is deemed to be include for replacing unserviceable/ damaged float valves.The OHT service tank to be cleaned twice in the contract duration, all as specified and directed by the Engr - in - Charge.

Cleaning internal portion of stone masonary / RCC over head reservoirs including removing fine sand/silt deposited inside the over head reservoirs with the help of wire brushes and removing fungus formation from inside the tank, cleaning with bleaching powder, removing the waste as directed and applying caustic soda solution and applying one coat of lime wash internally including writing lettering with white paint over a black paint on external side and marking direction of flow of water for inlet/outlet pipes of DI/CI/GI including painting/ writing of letters of (a) date of cleaning (b) Next due date of cleaning (c) Capacity of tank etc. Complete all as specified and as directed complete all as specified and as directed for the following capacity:-

1,00,000 Glns capacity, with staging at a height of approx. 16M.

50,000 Glns capacity, with staging at a height of approx. 12M.

10,000 Glns capacity, with staging at a height of approx. 12M

5,000 Glns capacity, with staging at a height of approx. 7M

Cleaning internal portion of under ground / semi under ground sump, removing the waste to a distance upto 100 mtrs, applying caustic soda solution and one coat of lime wash to internal surfaces including writing direction of flow (a) Date of cleaning, (b)Due date (c) Capacity of sump etc. cleaning vegetation upto 5mtr sorrounding the sump complete all as specified and as directed for the following capacity:-

1,00,000 Glns capacity

50,000 Glns capacity

10,000 Glns capacity

Note : The rates quoted shall be deemed to be inclusive of provision of mobile diesel pump set of suitable capacity by the contractor for removing the muddy water from the sump and for cleaning.

Cleaning of static water tank internal portion of under ground / semi under ground static water and removing the waste to a distance upto 100 mtrs away applying caustic soda solution and one coat of lime wash to internal surfaces and one coat of synthetic enamel paint to the wire mesh on top of static water tank including cleaning/cutting bushes all around the static water tank to a distance upto 3 mtrs distance complete all as specified and as directed for the following capacity:-

Upto 50,000 ltrs capacity static water tank. (NTS, Fire Section & Near Family Room)

Above 50,000 ltrs and upto 1,00,000 ltrs capacity static water tank.

Note : The rates quoted shall be deemed to be inclusive of provision of mobile diesel pump set of suitable capacity by the contractor for removing the muddy water from the sump and for cleaning.

Cleaning of swimming pool of capacity 6 lakh ltrs by removal of dirty water, sludge, organic and inorganic matter settled inside the pool tank, side walls inclusive of material and labour for cleaning/ washing of floor/wall tiles of swimming pool with suitable acid/chemical inclusive of one coat of synthetic enamel paint of tint as existing to the ladder / pipe lines /any other iron surfaces of swimming pool complete all as specified and as directed. Note : The rates quoted shall be deemed to be inclusive of provision of mobile diesel pump set of suitable capacity by the contractor for removing the muddy water from the swimming pool and for cleaning.

Cleaning of suction(balancing) sump of swimming pool by removing dirty water, sludge and other particles including white washing on plastered surface and synthetic enamel painting to GI/CI pipe of tint as existing complete all as specified and as directed. Note : The rates quoted shall be deemed to be inclusive of provision of mobile diesel pump set of suitable capacity by the contractor for removing the muddy water from the sump and for cleaning.

Materials and labour for taking out old, broken unserviceable MS sheet cover, frame etc. from top of the roof of under ground water sump with MS channel base square/circular type of size and shape as per site requirement including providing of new cover made out of 10 to 14 SWG MS sheet cover with 50cm x 50cm x 6mm angle iron base frame including painting with two coats of synthetic enamel black paint over a coat of red oxide primer complete with locking arrangements and locks and neccessary PCC works (as required at site) complete all as specified and as directed .

Taking down conventional type Water level indicator from the Over head tank, replacement of unserviceable existing pullies, supply and fix spares for conventional type water level indicator such as suitable size of float, steel wire rope and plumb complete all as required at site for functioning of water level indicator all as specified and as directed by the Engineer-in-charge.

M & L for retro reflective sign boards including taking down the old boards all specified and as directed.

Supply only water sanitising chemical, Calcium Hypochlorite granules with chlorine content above 65%, for water treatment to maintain chlorine dosage at 2 ppm for Pumphouse and Swimming pool. Make : M/S Royalseema alkalies or equivalent.

Servicing and maintanance of Vertical pressure filter 2600 mm diameter all as specified and as directed by the Engineer-in-charge including replacement only of filter media (which shall be measured and paid separetely).

Supply only coarse sand suitable for pressure filtration plant of swimming pool.

Supply only Graded gravels 3mm-6mm, 6mm-12mm, 12mm-20mm, 40mm-63mm all as required for pressure filtration plant of swimming pool.

Servicing & maintenance of suction sweeper, replacement of Sweeping brush including rusted, worn out nut & bolts, greasing and oiling of wheel of Suction sweeper trolly including replacement of suitable size of rope of required length, Hose pipe with PVC float all as specified and as directed by the Engineer-in-charge.

Supply only the following items for maintenance of swimming pool filter plants and earthing pits at pump house / swimming pool premises:-

Soda ash

Crystal Alum

Blue powder suitable for swimming pool

Common Salt for earth pits.

M&L earthing complete with galvanized steel earth plate electrode 600mm x 600mm x 6mm thick buried directly in ground vertically to a depth not less than 2.25 mtr below ground with top edge of the earth plate not less than 1.5 mtr below normal ground level, earth plate shall be connected to & including the galvanized iron strip 32 x 6 mm upto LT feeder pillar box or 7.5m which ever is less, connected to plate by welding and by using steel bolts, nuts, check nuts & washers, GI strip drawn only through suitable size of GI protecion pipe, including excavation, earth work, Charcoal & Salt, filling with soft/loomy/ black cotton soil/ bentonite clay mix, 30cm sorrounding GI plate after salt, charcoal all as specified, PCC chamber, RCC cover slab with 8mm dia clamp for lifting at centre, watering pipe 20mm bore med. grade, wire net, funnel etc. & testing on completion to achieve desired resistance of below 2 ohms, all as specified in plate No.3 of SSR Pt I. NOTE: a) GI Pipe for protection of earthing strip and (b) earth strip beyond 7.5m shall be measured and paid seperately under relevant items.

Supply, lay/fix GI Protection pipe, 40 mm dia, medium grade. Make : Jindal/TATA.

Supply and fix, 32x6mm earth strip as earth continuity conductor to equipment.

Supply and replacement of strainers for pressure filter.

Chemical analysis of borewell and external source water for all parameters for ascertaining water fitness (Potability and bacterial) for human consumption through Government or NABL approved laborotory with necessary collector vessels/ cans complete all as specified and directed.

M & L for attending day to day compliant for GI pipe line leakage of any type /size upto 200mm dia including excavation etc as and when required to rectified the leakage portion by deputing one plumber and one helper in a day using T&P with GI fittings like as Nipple , socket , union , tee ,Elbow, bend etc complete all as specified and directed by Engr - in- Charge (Inclusive of GI necessary fittings).

Supplying of following unserviceable parts of submersible pump of capacity above 5HP upto 7.5 HP capacity of the same make as existing:-

(a) CI stage Casing

(b) G M Bush

(c) SS Sleeve

(d) Brass impeller

(e) MS key for Impeller

(f) SS studs with Nuts 10mm

(g) CI intermediate Section

(h) SS coupling bush common for Pump & Motor with key

(j) High Tensile steel shaft

(k) Strainer

Repairs & Servicing of defective submersible motor of capacity upto 7.5 HP by dismantling the motor & Replacing unserviceable parts, assemble the motor properly, testing for satisfactory functioning complete all as specified and as directed. Note: (i) The rate are inclusive of transporting the motor to repair work shop & back to site. (ii) The rates are inclusive of turning / finishing work for fixing of parts properly. (iii) The replacement of unserviceable parts will be measured and paid separately under relevant item. (iv) Rewinding of motor & servicing of Rotor if required will be measured & paid separately under relevant items. (v) The rates are inclusive of testing of motor at borewell installation for satisfactory functioning / running.

Replacement of the following unserviceable parts of submersible motor of capacity above 5 and upto 7.5 HP capacity of the same make as existing:-

(a) Bearing bush Gunmetal

(b) Bearing Bush SS with Rubber

(c) Oil seal

(d) Thrust plate / thrust bearing set.

(e) Sand Guard

(f) CI thrust Casing

(g) SS studs with nuts 8 MM

Rewinding of Submersible motor by taking out burnt copper winding from stator, cleaning the casing & slots with wire brush & washing with water under pressure and dried, rewinding the motor using same gauge of insulated copper wire as existing, making the winding leak proof by applying varnish, drying etc., taking out the electrical terminals using suitable size of submersible flat cable upto 2.0 M, installing at its original position for up to 3.5 HP motor complete all as specified & as directed by the Engineer-in-Charge.

Rewinding of Submersible motor by taking out burnt copper winding from stator, cleaning the casing & slots with wire brush & washing with water under pressure and dried, rewinding the motor using same gauge of insulated copper wire as existing, making the winding leak proof by applying varnish, drying etc., taking out the electrical terminals using suitable size of submersible flat cable upto 2.0 M, installing at its original position for 4 to 7.5 HP motor complete all as specified & as directed by the Engineer-in-Charge.

Servicing of rotor of submersible motor inclusive of Turning / Polishing of rotor shaft of submersible motor of capacity upto 7.5 HP complete all as specified & as directed by the Engineer-in-Charge.

Repairs to GI column pipe 40/ 50 mm by cutting the worn out portion of threads & re-threading at each end of pipe complete all as specified & as directed by the Engineer-in-Charge.

Taking out the existing pump starter panel Supply and fixing of Submersible Pump Controller suitable for 3 to 5 HP submersible pump, In Sheet Enclosure, 415V, 50Hz, 3 phase with Protections - Overload, Single Phasing, Phase reversal, Phase imbalance Auto Restart Feature Vibration proof enclosure with IP54 protection class, Indications Offered - ON/OFF, Voltage and Ampere all as specified and as directed by Engineer-in-Charge. Make: L&T, Model:MU-G6 DOL starter or equivalant in GE / Siemens /Havells/Schneider.

All as per item here-in-before but Submersible Pump Controller suitable above 5 HP upto 7.5 HP pump. Make: L&T, Model:MU-G10 DOL starter or equivalant in GE / Siemens /Havells/Schneider.

S&F fully automatic star delta starters in sheet metal enclousers 415 Volt 50 Hz for with over load protector and taking out old U/S for Motor 20 HP.Make : L&T/Jyoti/Siemens or equivalent

Repairs & servicing of defective monoblock / centrifugal pump set of capacity from upto 7.5 HP by dismantling the pump & removing unserviceable parts, assemble the pump properly after replacement of unserviceable parts all as specified and as directed by the Engineer-in-charge. NOTE:- (i) The rate quoted is deemed to be inclusive of transporting the pump from pump house site to work shop & back to site. (ii) The rate quoted is deemed to be inclusive of turning/finishing work for fixing of parts properly. (iii) The replacement of unserviceable parts will be paid & measured separately under relevant items. (iv) The rate quoted is deemed to be inclusive of oiling, greasing to bearing and bushes, providing suitable size of gland rope, replacement of foundation bolts, leak testing of pump at water supply installation for satisfactory functioning / running.

All as per item here-in-before but pump set of capacity above 15 HP and upto 30 HP complete all as specified & as directed by the Engineer-in-Charge.

Supply only new spare parts of monoblock / centrifugal pump set of capacity upto 7.5 HP capacity of the same make as existing:-

(a) CI Gland coller

(b) SS Sleeve

(c) MS/CI Impeller

(d) MS key for Impeller

(e) SS studs with Nuts 10 mm

(f) SS coupling with rubber bushes common for Pump & Motor with Key, Nut bolts etc.

(g) High Tensile steel shaft

(h) SS bearings

(j) Motor cooling fan blade .

Supply only new parts of centrifugal pump set of capacity above 7.5 and upto 15 HP capacity of the same make as existing:-

(a) CI Gland coller

(b) SS Sleeve

(c) MS/CI Impeller

(d) MS key for Impeller

(e) SS studs with Nuts 10 mm

(f) SS coupling with rubber bushes common for Pump & Motor with Key, Nut bolts etc.

(g) High Tensile steel shaft

(h) SS bearings

(j) Motor cooling fan blade .

Supply only new parts of centrifugal pump set of capacity above 15 and upto 30 HP capacity of the same make as existing:-

(a) CI Gland coller

(b) SS Sleeve

(c) MS/CI Impeller

(d) MS key for Impeller

(e) SS studs with Nuts 10 mm

(f) SS coupling with rubber bushes common for Pump & Motor with Key, Nut bolts etc.

(g) High Tensile steel shaft

(h) SS bearings

(j) Motor cooling fan blade .

Rewinding of electrical motor by taking out burnt copper winding from stator, cleaning the casing & slots with wire brush & washing with water under pressure, cleaning with CTC, dried and rewinding the motor using same gauge of insulated copper wire as existing & making the winding leak proof by applying warnish, drying etc. and re-connecting at its original position of capacity of motor upto upto 4.0 HP including testing of motor after installation for satisfactory functioning/running all as specified and as directed by the Engineer-in-charge.

All as per Ser item here-in-before but for motor of capacity above 4.0 HP upto 7.5 HP complete all as specified and as directed by the Engineer-in-Charge.

All as per Ser item here-in-before but for motor of capacity above 7.5 HP upto 12 HP complete all as specified and as directed by the Engineer-in-Charge.

All as per Ser item here-in-before but for motor of capacity above 12 HP upto 20 HP complete all as specified and as directed by the Engineer-in-Charge.

All as per Ser item here-in-before but for pump and motor above 5.0HP and upto 15 HP complete all as specified & as directed by the Engineer-in-Charge.

All as per Ser item here-in-before but for pump and motor above 15.0 HP and upto 30 HP complete all as specified & as directed by the Engineer-in-Charge.

Scraping of old paints from Sluice valves, NRVs of sizes 50/80 mm dia and applying two coats of synthetic enamel paint as per colour coding complete all as specified & as directed by the Engineer-in-Charge.

Scraping of old paints from sluice valves, NRVs of sizes 100mm to 250 mm dia and applying two coats of synthetic enamel paint as per colour coding complete all as specified & as directed by the Engineer-in-Charge.

Scraping of old paints from submersible pumping set panel board including angle iron frame and applying two coats of synthetic enamel paint of colour coading complete all as specified & as directed by the Engineer-in-Charge.

Taking down unserviceable star delta starter from the existing panel board and Supply and fix new fully Automatic star delta starter suitable for upto 15 HP motors with suitable relay range and single phase protecion. Make:L&T/BCH/ABB.

S&F CI NRV with by pass arrangement of size 50/65 mm dia flanged type, including replacement of gasket, nut, bolts, washer etc. and taking down existing unserviceable NRV complete all as specified & as directed by the Engineer-in-Charge. Make: Kirloskar/BIR/SIR.

Taking down existing unsv Ammeter and supply and fix new Ammeter 0- 50 Amps range all as specified and as directed by the Engineer-in-charge. Make:Conserve /AE/L&T.

Supply and fix of polythene tank cover for cylindrical tank of capacity upto 500 Ltrs including removing the old one.

Supply and fix of polythene tank cover for cylindrical tank of capacity above 500 Ltrs and upto 1000 Ltrs including removing the old one.

Supply only Orthotodoline solution 500 ml

Supply and fixing PVC tube 15mm dia heavy duty for connecting from dozer to pipe line with M S clamp of suitable size for PVC 15mm dia all as required and directed at site.

Taking down unserviceable PVC connection of any description and supply and fix new PVC connection, 15mm dia, 450mm long, with brass nuts, and rubber washers on both sides suitable for cold / hot water complete all as specified and as directed by the Engineer-in-charge.

Taking down unserviceable PVC connection of any description and supply and fix new PVC connection, 15mm dia, 600mm long, with brass nuts, and rubber washers on both sides suitable for cold/ hot water complete all as specified and as directed by the Engineer-in-charge.

M & L for attending day to day compliant for GI pipe line leakage of any type /size upto 50mm dia including excavation etc as and when required to rectified the leakage portion by deputing one plumber and one helper in a day using T&P with GI fittings like as Nipple , socket , union , tee ,Elbow, bend etc complete all as specified and directed by Engr - in- Charge (GI fitting shall be measured and paid separately).

Supply only following items

(a) GI nipple 15 mmx450mm

(b) GI nipple 20 mmx450mm

(c) GI nipple 25 mmx450mm

(d) GI nipple 40 mmx450mm

(e) GI Socket 15 mm

(f) GI Socket 20 mm

(g) GI Socket 25 mm

(h) GI Socket 40 mm

(i) GI Union 15 mm

(j) GI Union 20 mm

(k) GI Union 25 mm

(l) GI Union 40 mm

(m) GI Tee 15 mm

(n) GI Tee 20 mm

(o) GI Tee 25 mm

(p) GI Tee 40 mm

(q) GI Elbow 15 mm

(r) GI Elbow 20 mm

(s) GI Elbow 25 mm

(t) GI Elbow 40 mm

Supply only water sanitising chemical, Calcium Hypochlorite granules with chlorine content above 65%, for water treatment to maintain chlorine dosage at 2 ppm for Pumphouse and Swimming pool. Make : M/S Royalseema alkalies or equivalent.

Supply & fix in repairs Gun metal globe/gate valve ISI marked high pressure with iron wheel head screwed both ends/butterfly type for iron pipe line and fixed properly of following sizes including taking out unserviceable gun metal gate valve:- Make: Zoloto / Leader / Tiger / Cresent.

(a) 15 mm dia bore

(b) 20 mm dia bore

(c) 25 mm dia bore

(d) 40 mm dia bore

(e) 50 mm dia bore

Supply and fix, Cast iron pipes with spigot and socket ends centrifugally cast. Class LA, in any length, laid in trenches complete all as specified and as directed for the following sizes:- Make : Lanco / Jindal / TATA/ Electro Steel Castings.

(a) 80 mm dia bore pipe

(b) 100 mm dia bore pipe

(c) 150 mm dia bore pipe

S&F Pressure gauge 100 mm dia 0-100 PSI with CP Brass Valve of 3/8" in dia including taking out existing unsv Pressure gauge complete all as specified and as directed. Make:Wika/Micro or equivalent as approved by GE.

S&F Pressure gauge 100 mm dia 0-60 PSI with CP Brass Valve of 3/8" dia including taking out existing unsv Pressure gauge complete all as specified and directed. Makes for item No. 150&151: Wika/Micro or equivalent as approved by GE.

Construction of valve chamber having inner dimension 1000 x 1000 x 1000 mm (suitable for 80mm to 200mm sluice valves & reflux valves) with PCC 1:4:8 type D2 for foundation, brick work wall in cement mortar (1:4), PCC 1:2:4 type B1 for coping, rendering plaster in CM 1:4, 15 mm thick including provision of MS Sheet top cover 3mm thick with welding of MS angle iron of size 25mm x 25mm x 4 mm at edges and in diagonal and angle iron base frame of 50 x 50 x 6 mm, painting with two coats of synthetic enamel paint over a coat of red oxide primer on iron surfaces, lime wash on internal and external cement surfaces and locking arrangements including demolition of the existing chamber, necessary excavation and earth work complete all as specified and as directed.

Preparation of old plastered outer surfaces of walls of OH reservoir and applying one coat of cement based paint of tint as existing and preparing old steel surfaces of any description of exposed pipe lines of RCC over head reservoir and applying one coat of synthetic enamel paint of color as per color coding complete all as specified and as directed for the following capacity of over head tanks:-

(a) 50,000 Glns capacity, with staging at a height of approx. 12M. Make : (a) Cement based paint -Snowcem or as approved by GE. Synthetic enamel paint : Asian/ Berger /JN (1st Quality only as approved by GE).

Supply and Fix in repair, booster pump cylender (pressure tank) threading type suitable for pressure pump of capacity 0.5 HP 220 volt AC or existing type, including testing all as directed by Engineer-in-charge.

Supply and Fix in repair, booster pump Pressure switch threading type suitable for pressure pump of capacity 0.5 HP 220 volt AC or existing type, including testing all as directed by Engineer-in-charge. Model No. KP-35 Pressure switch of Danfoss or equivelent in ocean star/Amazor.

Rewinding of electrical motor(booster pump) by taking out burnt copper winding from stator, cleaning the casing & slots with wire brush & washing with water under pressure, cleaning with CTC, dried and rewinding the motor using same gauge of insulated copper wire as existing & making the winding leak proof by applying warnish, drying etc. and re-connecting at its original position of capacity of motor upto 0.5 HP including testing of motor after installation for satisfactory functioning/running all as specified and as directed by the Engineer-in-charge.

Chemical analysis of borewell and external source water for all parameters for ascertaining water fitness (Potability and bacterial) for human consumption through Government or NABL approved laborotory with necessary collector vessels/ cans complete all as specified and directed.

Haasith constructions (BID ID -3158515)

SRI SAI RAM ENTERPRISES (BID ID -3161200)

Rahul Enterprises (BID ID -3156688)