REPAIR MAINTENANCE OF EXTERNAL WATER SUPPLY SEWAGE INSTALLATION LINES VALVES VALVE CHAMBER PUMPSETS RO PLANTS CHLORINATION PLANTS CLEANING OF OHR TANKS AND ITS ALLIED WORKS AT MAIN CAMP AND TECH AREA IN AFS TAMBARAM

Amount

M&L for attending water supply complaints of any type ,including finding the fault/ defect and repairing the same including with required jointing materials and making water supply functional complete all as specified and directed by Engineer-in-Charge. .Note:- Quoted rate shall deemed to be inclusive for following provisions: (i) Contractor shall deploy a team of one plumber and one helper. The supervisor shall need to collect the complaints from MES complaint cell as and when intimated by Engineer-in-Charge through phone, email or any other electronic means without any delay. (ii) Tools, minor spares such as washer,nuts,white lead etc as required for rectifying complaints shall need to be carried alongwith by the team. (iii) Finally, Contractor shall submit the details/status of the rectification /non rectification of complaints to Engineer-in-Charge after attending complaint.

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre depth and getting out in hard/dense soil for taking out / laying of GI pipe complete all as specified and directed by Engineer-in-charge.

Returning and filling including spreading, levelling, watering and well ramming in layer n-exc 25 mm thick in soft/loose soil complete all as specified and directed by Engineer-in-charge.

Removing excavated soil to a distance not exceeding 50 metres and depositing where directed at a level not exceeding 1.5metre above the starting point complete all as specified and directed by Engineer-in-charge.

M & L for taking up or down from trenches old CI/GI Pipe including fittings and branch connections if any for cleaning and refixing or removal to stores for further disposal of complete all as specified and directed for the following size:- Note : Necessary earthwork, excavation shall be measured and paid separately.

300 mm dia

200mm dia

150mm dia

100mm dia

80mm dia

50mm dia

40mm dia

25mm dia

20mm dia

15mm dia

Material and labour for construction of masonry valve chamber of internal size 900 x 900 x 900 mm with brick masonry set in cement mortar 1:6 over 100mm thick PCC (1:4:8) type D2 concrete foundation, 50mm thick PCC (1:2:4) type B1 in coping 15mm thick plaster in cm (1:4)m for internal surfaces of walls and externally upto 15cm below ground level, including MS sheet 3.15mm thick hinged cover with locking arrangements including lifting handle fixed to 50x50x6mm angle iron frame embedded in PCC coping including two coats of synthetic enamel paint to steel surfaces; over a coat of red oxide primer including necessary excavation and earth work in any type of soil and removal of surplus excavated soil to a distance not exceeding 50metre including dismantling of old broken valve pit chamber complete all as specified and directed by Engineer-in-charge.

Material and labour for construction of masonry valve chamber of internal size 1200 x 1200 x 1000 mm with brick masonry set in cement mortar 1:6 over 100mm thick PCC (1:4:8) type D2 concrete foundation, 50mm thick PCC (1:2:4) type B1 in coping 15mm thick plaster in cm (1:4)m for internal surfaces of walls and externally upto 15cm below ground level, including MS sheet 3.15mm thick hinged cover with locking arrangements including lifting handle fixed to 50x50x6mm angle iron frame embedded in PCC coping including two coats of synthetic enamel paint to steel surfaces; over a coat of red oxide primer including necessary excavation and earth work in any type of soil and removal of surplus excavated soil to a distance not exceeding 50metre including dismantling of old broken valve pit chamber complete all as specified and directed by Engineer-in-charge.

M & L for Re-fixing old serviceable steel tubing and connections in new or old position of size in walls, ceiling, floors, / trenches complete all as specified and directed for the following size:-

50mm dia

40mm dia

25mm dia

20mm dia

15mm dia

Supply and lay GI pipe of medium grade ISI marked including fittings such as bends, reducer, elbows, union etc in trenches complete all as specified and directed for the following size :- Note : Necessary earthwork, excavation shall be measured and paid separately.

100 mm dia

80mm dia

50mm dia

40mm dia

25mm dia .

20mm dia

15mm dia

Supply and lay GI pipe of medium grade ISI marked including fittings such as bends, reducer, elbows, union, clips, wall hooks, wooden plugs etc in wall/floor/sump/wells. including cutting through wall/floor/sump/wells and making good the disturbed surfaces to match with existing complete all as specified and directed for the following size :- Note : Necessary earthwork, excavation shall be measured and paid separately.

100 mm dia

80mm dia

50mm dia

40mm dia

25mm dia

20mm dia

15mm dia

Supply and laying in trenches of Ductile Iron spigot and socket pipes as per IS:8329/2000 Class K7 including EPDM rubber gasket suitable for and including push on rubber gasket joint with inside cement mortar lining and outside Zinc bitumen coating complete all as specified and directed.for the following size :-

300mm dia

200mm dia

150mm dia

100mm dia

80mm dia

M & L in repair CI/DI fittings ISI marked such as bends (any type, radius any angle) tapers any type (straight or bend), increasing, decreasing or double socket etc) Tee pieces single branch, double branch, cross(all sockets and socket and spigot) collars, caps and plugs tail piece confirming to IS 1538/1993 complete all as specified and directed by Engineer-in-charge.

M & L run lead joint including all necessary jointing materials like lead spun yarn etc (old recovered lead from leaking joints shall not be re used) for the CI pipe complete all as specified and directed for the following size :-

300 mm dia

200mm dia

150mm dia

100mm dia

80mm dia

Supply and fix in repairs Gun metal globe or gate valves,ISI marked with iron wheel head, screwed both ends for iron pipe complete all as specified and directed for the following size:- .

50mm dia

40mm dia

25mm dia

20mm dia

15mm dia

Supply and fix in repairs CI Non Return valve conforming to IS-5312 Part - I ,PN 1.6 ,having flanged end joints with brass seating including jointing materials such as 3mm rubber gasket 01 No, 10mm dia nut & bolts and washers complete all as directed for the following size :-

150mm dia

100mm dia

80mm dia

Supply and fix Gun metal Non Return Sluice Valve of size 50mm bore ISI marked suitable for screwing in GI pipes fixed complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement CI sluice valve confirming to IS -14846 PN-1.0 non raising type both ends flanged with SS spindle including jointing materials such as nuts, bolts washers and 3mm rubber gasket 02 Nos complete all as specified and directed for the following size.

300 mm dia

150mm dia

100mm dia

80mm dia

Cutting of existing road/ floor/ plinth/drain of any description as per existing road, width and depth not exceeding 0.60 metre for taking out /laying of CI/DI/GI pipe line including necessary earth work excavation and making good the disturbed surface with Plain Cement Concrete 1:3:6 type C1 nominal mix using 20mm graded stone aggregate or with bitumen instant road repair mix to match the existing black top bituminous surface complete all as specified and directed by Engr-in-Charge. Note- PCC shall be measured and paid separately.

Supply and fix in repair galvanised iron bolt, nut and washers of any dia and length as required at site complete all as specified and directed by Engineer-in-charge.

M&L for Plain cement concrete 1:3:6 type C1 Nominal mix using 20mm graded stone aggregate as in foundation or for making the road surface good etc including necessary formwork complete all as specified and directed by Engineer-in-charge.

Supply and fixing LED aviation light 10 watt rating voltage 215 to 245 V including necessary connection with three run of 1.50 sqmm single core copper wire fixed on over head tank of any height complete all as specified and directed by Engineer-in-charge.

Supply and fixing lightening arrester at over head tank with aluminium strip 25 X 3mm fix with saddle s properly top to bottom complete all as specified and directed by Engineer-in-charge.

Supply and installing water level gauge on over head tank scale marking in cm unit scale material aluminium pressure type low petrotech RCC overhead storage tank level indicator is simple economic level measuring instrument including all connecting items (i.e.) connected pipe, wire rope, float, guiding flanges, process flages and anchor plate including top mounting brackets & side bracket complete all as specified and directed by Engineer-in-charge.

M&L Brick work with sub class "B" bricks using old size bricks straight or curved on plan exc 6m mean radius, built in cement mortar 1:6 as in valve chamber complete all as specified and directed by Engineer-in-charge.

M&L for rendering 10mm thick on fair faces of bricks(inside of valve chamber) in cement mortar 1:4 finished the surface even and smooth without using extra cement, complete all as specified and directed by Engineer-in-charge.

M&L for Mild steel chamber cover made with mild steel sheet of 3.15mm thick for shutter angle iron frame including necessary welding and fixing arrangement and applying two coats of synthetic enamel paint over a coat of metal primer etc complete including taking down old MS sheet cover complete all as specified and directed by Engineer-in-charge.

Surface dressing not exceeding 15 cm deep and getting out in hard /dense soil around shallow well / pump houses inside the fencing and outside 3 meters wide around the edges of fencing complete all as specified and directed by Engineer-in-charge.

S&F in repair 12mm dia nylon rope or suitable size to match with existing at the for hanging pumpsets/motors in well/sumps etc., complete all as specified and directed by Engineer-in-charge.

Supply only grafted cotton rope (gland packing rope ) complete all as specified and directed for the following sizes:-

6 mm dia

8 mm dia

10 mm dia

12 mm dia

M&L required for attending pump set /motor complaints of any type , finding of fault/ defect and repairing the same including required repairing materials and making pump sets/motor functional complete all as specified and directed by Engineer-in-Charge. Note :- Quoted rate shall be inclusive for following provisions: (i) Contractor shall deploy one supervisor, one Motor Mechanic and one helper. The supervisor shall collect the complaints from MES complaint cell as and when intimated by Engineer-in-Charge (ii) The team shall need to carry tools, minor spares such as washer,nuts,white lead etc as required for rectifying complaints (iii) Contractor shall submit the details of rectification /non rectification of complaints to Engineer-in-Charge after attending complaint.

M&L for repairing centrifugal pump set by replacing of the relevant spares taken and including packing, refixing and testing of motor of capacity 40 HP complete etc.complete all as specified and directed by Engineer-in-charge. Location: MES Complex P/H.Make:- Kirloskar Note: Spare parts/ accessories like shaft, bush, bearings, gland etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares under repair required for 40 HP capacity centrifugal pump set mentioned above:-

Impeller

Pump Shaft

Shaft Sleeve

Bearing

Gland collar complete with nut and bolts

Repairing centrifugal pump set by replacing of the relevant spares taken and including packing, refixing and testing of motor of capacity 5 to 25 HP complete etc complete etc.complete all as specified and directed by Engineer-in-charge. .Location : C Tank P/ H Make : Kirloskar Note: Spare parts/ accessories like shaft, bush, bearings, gland etc., shall be measured and paid separately under relevant items of this schedule

Supply only the following spares under repair required/ suitable for 25/20 HP capacity centrifugal pump set:-

Impeller

Pump Shaft

Shaft Sleeve

Bearing

Gland collar complete with nut and bolts

M&L for repairing centrifugal split type/monoblock pump set by replacing of the relevant spares taken and including packing, refixing and testing of motor of capacity 15 HP complete etc.complete all as specified and directed by Engineer-in-charge. Location : One Lakh Gallon P/H Make : Kirloskar Note: Spare parts/ accessories like shaft, bush, bearings, gland etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares under repair required/ suitable for 15 HP capacity centrifugal split type/monoblock pump set

Impeller

Pump Shaft

Shaft Sleeve

Bearing

Gland collar complete with nut and bolts

M&L for repairing centrifugal non clog sewage pump set by replacing of the relevant spares taken including packing, refixing and testing of motor of capacity 12.5 HP complete all as specified and directed by Engineer-in-charge. Location : Main Camp sewage P/H Make : Kirloskar Note: Spare parts/ accessories like shaft, rubber flap, bearings, gland packing, rubber packing and sleeve etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares under repair required for 12.5 HP capacity centrifugal non clog sewage pump set :-

Impeller

Rubber Flap

Pump Shaft

Rubber flap

Ball bearings

Gland collar complete with nut and bolts

Rubber packing

Shaft Sleeve

Taking out the submersible pump set/ monoblock submersible pump sets from its position and carrying out repairs after proper cleaning of impellers & shafts, including packing, refixing in position and testing of motor of capacity 2/3 HP to 10 HP complete etc., complete all as specified and directed by Engineer-in-charge. (Make:- Kirloskar ) Location : MES Complex P/H Note: Spare parts/ accessories like impeller, shaft, bush and sleeve etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares of 2/3 HP capacity submersible pump set/ monoblock submersible pump set

Impeller

Pump Shaft

Bearing

Shaft Sleeve

M&L for stripping out squirrel cage, induction motor, 3 phase 415 volts AC 50 c/s starter and rotor cleaning up internally and externally including removing old burnt copper wire, worn out bearing and rewiring/ rewinding with new copper wire, including necessary transportation workshop and bring back to the installation and assembling, testing and commissioning of motor complete etc., all as specified and directed for the following capacity .Location : Camp Pump Houses

(a) 40 HP capacity

(b) 20/25 HP capacity

(c) 15 HP capacity

Taking up defective submersible pump set/ Monoblock submersible pump sets 3 phase,AC,415 volts, 50 c/s from shallow well and disconnecting cable, GI delivery pipe etc,taking out/transport to work shop, dismantling and rewinding submersible pump motor with appropriate size of copper wire OEM recommended , reassembling, erecting back in position, cable jointing, testing and commissioning of motor complete all as specified and directed for the following capacity:- ( Location: Camp Shallow wells ) Note - Necessary Gate pass shall be issued by the Engineer-in-charge before taking out to workshop.

2/3 HP capacity

5 HP capacity

7.5 HP capacity

10 HP capacity

Taking up unserviceable centrifugal non clog submersible sewage pump set 25HP from sewage sump by bail out the water, disconnecting ,decamping, transport to authorised work shop and re-installation in the sump, after repaired, testing complete including replacement of accessories like Gasket, cable protector kit, terminal block with terminal plate,'O' rings, seal monitors, safety rings, cable end cap, Painting etc as required complete and service charges complete all as specified and directed by Engineer-in-charge.(Make:- KSB ) Location : Main Camp sewage pump House . Note: (a) Replacement of Winding, insulating oil, bearings, Seal, Sensor, Shaft etc., shall be measured and paid separately under relevant items of this schedule. (b) Necessary Gate pass shall be issued by the Engineer-in-charge before taking out to workshop.

Supply only the following spares under repair required for centrifugal non clog submersible sewage pump set 25HP capacity:-

Re-winding stator with with new copper wire of appropriate size of class-F insulation and including removing old burnt copper wire

Replacement of bearing (Top, bottom & RR)

Replacement of mechanical seal lower and upper

Temperature Sensor

Moisture sensor

Rotor Shaft

Replacement Insulating oil of appropriate grade as per the OEM recommendation

Taking up unserviceable centrifugal non clog submersible sewage pump set 12.5HP from sewage sump by bail out the water, disconnecting ,decamping, transport to authorised work shop as directed by Engineer-in- charge and re-installation in the sump, testing complete including replacement of Gasket, cable end cap, water/oil Seal, oil, painting and service charges etc.,lathe work as required complete all as specified and directed by Engineer-in-charge. (Make:-Kishore ) Location : Main Camp sewage pump House. Note: Spare parts/ accessories like Winding charges,bearings,Seal,Sensors,Shaft etc., shall be measured and paid separately under relevant items of this schedule.(b) Necessary Gate pass shall be issued by the Engineer-in-charge before taking out to workshop.

Supply only the following spares in repair required for centrifugal non clog submersible sewage pump set12.5HP capacity

Re-winding stator with with new copper wire of appropriate size of class-F insulation and including removing old burnt copper wire

Bearing upper and lower.

M-seal lower and upper

Temperature Sensor

Moisture sensor

Rotor Shaft

O Ring

Replacement of Insulating oil of appropriate grade as recommended by OEM

S&F in repair contactor for Star Delta starter 440 volts, 50 Hz, 3 phase, AC, suitable for following HP of induction motors complete all as specified and directed by Engineer-in-charge.

upto16 Amps suitable for 7.5 / 10 HP

upto 25 Amps suitable for 12.5/15 HP

upto 80 Amps suitable for 25/ 40 HP

Supply and fix in repair DOL starter suitable for submersible pump 3 phase AC motor upto 5HP,3Phase,415 volt complete all as specified and directed by Engineer-in-charge.

Supply and fix in repair automatic star delta starter suitable for pump set, 3 phase AC motor capacity 7.5 to 15HP,built in overload relay, single phase preventor,AC3,4pole contactor,415 volt in heavy duty deep drawn sheet metal box complete all as specified and directed by Engineer-in-charge.

Supply and fix in repair electronic overload relay suitable for submersible pump of following capacity complete all as specified and directed by Engineer-in-charge :-

S&F No volt coil, 440 volt ,suitable for star delta starters up 7.5 to10 HP capacity complete all as specified and directed by Engineer-in-charge.

S&F No volt coil suitable for DOL starter up to 5 HP capacity, 440 volts complete all as specified and directed by Engineer-in-charge.

S&F in fix single phase preventer for 3 phase motors complete all as specified and directed by Engineer-in-charge.

Supply and fix in repairs MCB TPN, capacity 40/63 Amps, 10 KA suitable for LT panel board including dismantling existing unserviceable MCB complete all as specified and directed by Engineer-in-charge.

Supply and fix following capacity of MCCB TPN , 415 volt, of following capacity fixed in repair on existing panel board including dismantling existing unserviceable MCCB complete all as specified and directed by Engineer-in-charge:-

63 Amp ,25 KA

100 Amp.25 KA

Taking out defective flat PVC insulated, submersible cable,3 core, 4 Sqmm multistranded copper cable from submersible pump set including supply and providing new cable of same size, jointing with jointing materials, testing and commissioning etc., complete all as specified and directed by Engineer-in-charge.

M/L for earthing for pole/over head Tank complete with galvanized steel earth plate electrode 600 X 600 X 6mm thick buried directly in ground (earth pit not less than 2.25m deep below normal ground level) with top edge of the plate not less than 1.5metre below normal ground level connected to GI earth lead strip 32 X 6 mm as earth lead by means of nuts, bolts, check nuts and washer of GI steel and connecting to testing point including provision of test point and all as shown in electrical plate No.3 of SSR Pt I (2009). The quoted rate is inclusive of necessary earth work and PCC chamber in type B1 (1:2:4) with 8 mm CTD bar reinforcement both ways at 140 mm centre to centre complete all as specified and directed by Engineer-in-charge. Note : The GI strip and GI earth protection pipe upto 7.5 mtr length is included in the unit rate and beyond 7.5 metre shall be measured and paid separately.

M&L in repair for Earth continuity conductor or main earthing fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/ pipe or fixed to plant /machinery or any other indicated situation for loop earthing as required 25 x 3 mm aluminium strip complete all as specified and directed by Engineer-in-charge.

M&L for servicing of chemical dosing pumps and connected motors, range up to 25 LPH single phase 230 volts, 50Hz with connecting cables and pumping suction & delivery connections solution including replace the necessary minor spares like diaphragms, bushes, bearings, varnishing etc and retrieving back to the working condition complete all as specified and directed by Engineer-in-Charge. Note:-Contractor shall need to give one year warranty for the dosing system repaired under said item against performance and efficiency and if any breakdown in this period shall be rectified by the contractor for free of cost and cost of the same shall deemed to be included in this quoted rate.

Supply and top up chemicals of each packing weighing 45Kg each bag consists of sodium mete bisulphate, sodium hypo chloride, antiscallant and PH correction compound respectively complete all as specified and directed by Engineer-in-Charge.

Material and labour for servicing of activated carbon filter suitable for 5000 LPH RO plant including changing and washing of activated carbon media( as per quality condition) as per OEM recommendation, replacing the worn out nuts bolts packing sheets etc including testing of pre and post service water quality and RO plant water complete all as specified and directed by Engineer-in-Charge. Note : The test result shall be signed by Engineer-in-Charge and contractor shall be kept on record.

Material and labour for servicing of multigraded sand filter suitable for 5000 LPH RO plant including changing and washing of sand/ gravel media( as per quality condition), replace the worn out nuts bolts packing sheets etc including testing of pre and post service water quality and RO plant water complete all as specified and directed by Engineer-in-Charge. Note : The test result shall be signed by Engineer-in-Charge and contractor shall be kept on record.

Supply and replacement of cartridges( Pre micron filter) for the RO plant of capacity 5000LPH to filtering the water inside the plant water chamber including replacing of the worn out inlet outlet connections complete all as specified and directed by Engineer-in-Charge.

M&L for replacement of Membrane, spiral wound type,MOC:poly Amide, size 8" dia,1000mm long, as per OEM recommendation complete and testing of up to 5000 LPH RO Plant at Near Chauhan mess including testing of the installation post replacement complete all as specified and directed by Engineer-in-Charge. Make:LANXESS/SUEZ or equivalent as approved by GE

M&L for servicing of high pressure pumping sets and connected motor of capacity 10HP three phase 415 volts, 50Hz with connecting cable including replacing the necessary minor spares like bushes, bearings, varnishing etc. and retrieving back it to the working condition complete all as specified and directed by Engineer-in-Charge. Note:-Contractor shall need to give one year warranty for the dosing system repaired under said item against performance and efficiency and if any breakdown in this period shall be rectified by the contractor for free of cost and cost of the same shall deemed to be included in this quoted rate.

M&L for periodical servicing and testing of 5000 LPH RO Plant by OEM authorised service agent/technician including necessary consumables, schedule as per OEM recommended complete all as specified and directed by Engineer-in-Charge. Location : RO plant two Numbers in total at 1x Golden jubilee and 1x Near chauhan mess. Note :(i). Contractor shall be submit the pre / post serviceability test report and recommendation / suggestion if any. (ii). Servicing shall need to be carried by only OEM authorised service agent and the certificate in this aspect shall be submitted to the department before execution. (iii) Service test report shall be submitted by contractor duly endorsed to the Engineer-in-Charge.

M&L for servicing of Chlorine dosing pumps and connected motors, range up to 6 LPH single phase 230 volts, 50Hz with connecting cables and pumping suction & delivery connections solution including replace the necessary minor spares like diaphragms, bushes, bearings, varnishing etc. and making it back to working condition complete all as specified and directed by Engineer-in-Charge. Note:-Contractor shall need to give one year warranty for the dosing system repaired under said item against performance and efficiency and if any breakdown in this period shall be rectified by the contractor for free of cost and cost of the same shall deemed to be included in this quoted rate.

M&L for servicing of anti-scaling dosing pumps and connected motors, range up to 6 LPH single phase 230 volts, 50Hz with connecting cables and pumping suction & delivery connections solution including replace the necessary minor spares like diaphragms, bushes, bearings, varnishing etc. and making it back to the working condition complete all as specified and directed by Engineer-in-Charge. Note:-(i)Contractor shall need to give one year warranty for the dosing system repaired under said item against performance and efficiency and if any breakdown in this period shall be rectified by the contractor for free of cost and cost of the same shall deemed to be included in this quoted rate. Note for Item No.59 to 68 :- The work shall be executed through OEM/ Manufacturer's authorised agency.

Supply and replacement of pressure gauge suitable for 5000LPH RO plant

Supply and replacement of flow meter suitable for 5000LPH RO plant

M&L for servicing the flow control panel including replacing of the worn out electrical components and pipe connections complete all as specified and directed by Engineer-in-Charge.

Material and labour for stripping out squirrel cage, induction motor, 3 phase 415 volts AC 50 c/s starter and rotor cleaning up internally and externally including removing old burnt copper wire, worn out bearing and rewinding with new copper wire, Including necessary transportation to workshop and bring back to the installation assembling testing and commissioning of motor capacity 3 / 5 HP, 3 phase, 415 volts, 50 c/s. complete all as specified and directed by Engineer-in-Charge.

Disconnecting water supply connection from the tanks and bailing out water from PVC water storage tank 5000 litre to 15000 litres capacity tank mounted on floor/ RCC Staging on building roof for removing silt, sludge, mud, moss, efflorescent salts and algae growth etc., using steel wire brushes, scrubs/ cleaning tools and washing all internal surfaces and pouring disinfectant materials such as bleaching powder or other compounds as per BIS standards and draining out the waste water completely and writing letter in bold with white paint of size not exceeding 10 cm height each on black back ground with details such as OHR capacity, date of cleaning and due date for next cleaning etc complete all as specified and directed by Engineer-in-Charge. Note : Necessary scaffolding, ladders and safety precaution shall be provided to the labours deployed by the contractor. The contractor shall ensure safety and responsibility of the labours deployed.

Supply and lay UPVC pipe 20mm dia heavy duty grade including fittings, for inlet and outlet connections of dosing pumps including connections with ferrules in delivery water pipe lines, fixed on wall, floor, in trench complete all as specified and directed by Engineer-in-Charge.

Supply and laying 3 layer PP-R polypropyline random copolymer concealed pipes of SDR 7.4 (PN-16) UV stabilised and anti-microbial fusion welded having thermal stability for water supply including all PP-R plain & brass threaded polypropyline random fittings fixed complete to laid in trenches complete all as specified including taking up or down old PPR Pipe from trenches including all fittings etc complete all as specified and directed by Engineer-in-Charge. Note: Excavation & earthwork shall be measured and paid separately

75 mm dia

50mm dia

40 mm dia

Supply and laying 3 layer PP-R polypropyline random copolymer concealed pipes of SDR 7.4 (PN-16) UV stabilised and anti-microbial fusion welded having thermal stability for water supply including all PP-R plain & brass threaded polypropyline random fittings fixed complete to walls, ceiling or in floors complete all as specified including taking up or down old unserviceable PPR pipe from walls, ceiling /floors including all fittings etc complete all as specified and directed by Engineer-in-Charge.

25 mm dia

20mm dia

16 mm dia

S & F PP-R Gate valves (Brass insert) with iron wheel head screwed down iron pipe after and including taking down/up old unserviceable PPR valve complete all as specified and directed by Engineer-in-Charge.

63 mm dia

50 mm dia

32 mm dia

25 mm dia

M&L for repairing centrifugal pump set by replacing of the relevant unserviceable spares as per OEM recommendation and including packing, refixing and testing of motor of 3/5 HP capacity complete all as specified and directed by Engineer-in-Charge. Note: Spare parts/ accessories like shaft, bush, bearings, gland, cooling fan etc shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares suitable for 3/5 HP capacity monoblock pump set

Impeller

Pump Shaft

Shaft Sleeve

Bearing

Gland collar complete with nut and bolts

motor cooling fan with cover

Supply only bleaching powder suitable for Grade-I confirming to IS 1065/89 (Second revision) with minimum available chlorine content of 33.5% by mass packed in HDPE bag of 25KG for smooth running/ supply of quality water to the user units complete all as specified and directed by Engineer-in-Charge. Make :Any E-in-C Branch approved make confirming above IS standard

UNIVERSAL ENGINEERING (BID ID -3405585)

M/S SRI BALAJI ENTERPRISES (BID ID -3405660)

rc enterprises (BID ID -3397597)

M/s Bakiyalakshmi Enterprises (BID ID -3396969)

Sri Sankar Enterprises (BID ID -3405296)

Global Safety Engineering and Management Solutions (BID ID -3405982)