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

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 7.5 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 5HP 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

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

Replacement of the following unserviceable parts of submersible motor of capacity 2 to 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

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.

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.

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.

All as per item No:19 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.

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.

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 .

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.

(a) Standard operating coils from 110 Volts to 440Volts.

(b) Spare kit with combination coil from 110V to 440V.

(c) Thermal timer with combination coil.

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

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

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

(g) Motor protection circuit breaker with short circuit & overload protection 5.0HP motor with suitable thermal release range in suitable enclosure. Make L&T,

(h) Motor protection circuit breaker with short circuit & overload protection 7.5HP motor with suitable thermal release range in suitable enclosure. Make L&T

(j) Motor protection circuit breaker with short circuit & overload protection or MCCB for 10HP motor with suitable thermal release range in suitable enclosure. Make L&T

(k) Motor protection circuit breaker with short circuit & overload protection or MCCB for 20HP motor with suitable thermal release range in suitable enclosure. Make L&T

Supply only Orthotodoline solution 500 ml

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

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.

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

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

(a) 15 mm dia GI tubing

(b) 20 mm dia GI tubing

(c) 25 mm dia GI tubing

(d) 40 mm dia GI tubing

(e) 50 mm dia GI tubing

(f) 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.

(a) 15 mm dia GI tubing

(b) 20 mm dia GI tubing

(c ) 25 mm dia GI tubing

(d) 40 mm dia GI tubing

(e) 50 mm dia GI tubing

(f) 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.

(a) 15 mm dia GI tubing

(b) 20 mm dia GI tubing

(c ) 25 mm dia GI tubing

(d) 40 mm dia GI tubing

(e) 50 mm dia GI tubing

(f) 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.

(a) 15 mm dia GI tubing

(b) 20 mm dia GI tubing

(c ) 25 mm dia GI tubing

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 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.

(a) 15 mm dia bore pipe

(b) 20 mm dia bore pipe

(c ) 25 mm dia bore pipe

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:-

(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

Taking up CI/DI 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.

(a) 80 mm dia bore cast iron pipe

(b) 100 mm dia bore cast iron pipe

(c) 150 mm dia bore cast iron pipe

(c) 200 mm dia bore cast iron pipe

Re-laying the CI/DI 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)

(a) 80 mm dia bore pipe

(b) 100 mm dia bore pipe

(c) 150 mm dia bore pipe

(c) 200 mm dia bore pipe

Supply and laying of DI pipe spigot and socket ends class 'K-9'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

Supply and fix, in repairs, CI specials 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.

All as per Ser item No.54 here-in-before, but above 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.

(a) 80 mm dia bore

(b) 100 mm dia bore

(c ) 150 mm dia bore

(d) 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 :-

(a) 80 mm dia bore

(b) 100 mm dia bore

(c ) 150 mm dia bore

(d) 200 mm dia bore

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.

(a) 80 mm dia bore

(b) 100 mm dia bore

(c ) 150 mm dia bore

(d) 200 mm dia bore

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:-

(a) 80 mm dia bore

(b) 100 mm dia bore

(c ) 150 mm dia bore

(d) 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:-

(a) 80 mm dia bore pipe

(b) 100 mm dia bore pipe

(c) 150 mm dia bore pipe

(d) 200 mm dia bore pipe

All as per item No above here-in-before but of size 80mm dia.

Cutting of Cast Iron pipes in position for insertion of new Tees, branches, Tail pieces and sluice valve etc. complete all as specified and as directed.

(a) 80 mm dia bore

(b) 100 mm dia bore

(c ) 150 mm dia bore

(d) 200 mm dia bore

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

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:-

(b) Exceeding 250 Ltrs and not exceeding 1000 ltrs.

(c) Exceeding 1000 Ltrs and not exceeding 2000 ltrs.

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:-

(a) 1,00,000 Glns capacity

(b) 10,000 Glns Capacity

(c ) 10,000 Ltrs

(d) 5000 Ltrs

Repair/Re-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.

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.

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 5MM MS sheet cover with 40cm x 40cm 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 unserviceable star delta starter from the existing panel board and Supply and fix new fully Automatic star delta starter suitable for 15.0 to 25 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 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.

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.

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 No. 100 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 No. 100 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 No. 100 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.

Servicing and maintanance of water purification Dosing system of capacity 2.5 LPH alongwith controll panel including replacement of minor parts up to Rs- 3000/- all as specified and as directed by the Engineer-in-charge

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