MAINTENANCE AND REPAIRS TO EXTERNAL WATER SUPPLY DISTRIBUTION SYSTEM AND CONNECTED WORKS AND REPAIR REPLACEMENT OF CONTROL PANELS AND CONNECTED WORKS AND REPAIR REPLACEMENT OF CI GI PIPE LINES IN ARMY AREA COIMBATORE AND MADUKARRAI UNDER GE WELLINGTO

Amount

Excavation in trenches not exceeding 1.50m deep and not exceeding 1.5m width in soft/ loose soil for taking out / laying of pipe line complete all as specified and as directed.

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

Removal of excavated material not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Taking out / up / down from trenches /walls /floors of galvanised steel tubings/CPVC pipe/ CI pipe and connections of bore of pipe 20mm dia complete all as specified and as directed.

Taking out / up / down from trenches /walls /floors of galvanised steel tubings/CPVC pipe/ CI pipe and connections of bore of pipe 25mm dia complete all as specified and as directed.

Taking out / up / down from trenches /walls /floors of galvanised steel tubings/CPVC pipe/ CI pipe and connections of bore of pipe 40/ 50mm dia complete all as specified and as directed.

Taking out / up / down from trenches /walls /floors of galvanised steel tubings/CPVC pipe/ CI pipe and connections of bore of pipe 80mm dia complete all as specified and as directed.

Taking out / up / down from trenches /walls /floors of galvanised steel tubings/CPVC pipe/ CI pipe and connections of bore of pipe 100mm dia complete all as specified and as directed.

Supply and laying in trenches,walls,floors galvanised steel tubings medium grade bore size of pipe 20mm dia with screwed and socket joints together with all galvanised steel fittings such as sockets, elbows, bends,tees, reducers, short pieces, unions, caps, plugs etc. incl clamps connection cutting screwing , drilling etc upto 100 mm dia pipe all as specified and directed including connections of complete all as specified and directed.

Supply and laying in trenches,walls,floors galvanised steel tubings medium grade bore size of pipe 25mm dia with screwed and socket joints together with all galvanised steel fittings such as sockets, elbows, bends,tees, reducers, short pieces, unions, caps, plugs etc. incl clamps connection cutting screwing , drilling etc upto 100 mm dia pipe all as specified and directed including connections of complete all as specified and directed.

Supply and laying in trenches,walls,floors galvanised steel tubings medium grade bore size of pipe 40mm dia with screwed and socket joints together with all galvanised steel fittings such as sockets, elbows, bends,tees, reducers, short pieces, unions, caps, plugs etc. incl clamps connection cutting screwing , drilling etc upto 100 mm dia pipe all as specified and directed including connections of complete all as specified and directed.

Supply and laying in trenches,walls,floors galvanised steel tubings medium grade bore size of pipe 50mm dia with screwed and socket joints together with all galvanised steel fittings such as sockets, elbows, bends,tees, reducers, short pieces, unions, caps, plugs etc. incl clamps connection cutting screwing , drilling etc upto 100 mm dia pipe all as specified and directed including connections of complete all as specified and directed.

Supply and laying in trenches,walls,floors galvanised steel tubings medium grade bore size of pipe 80mm dia with screwed and socket joints together with all galvanised steel fittings such as sockets, elbows, bends,tees, reducers, short pieces, unions, caps, plugs etc. incl clamps connection cutting screwing , drilling etc upto 100 mm dia pipe all as specified and directed including connections of complete all as specified and directed.

Supply and laying in trenches,walls,floors galvanised steel tubings medium grade bore size of pipe 100mm dia with screwed and socket joints together with all galvanised steel fittings such as sockets, elbows, bends,tees, reducers, short pieces, unions, caps, plugs etc. incl clamps connection cutting screwing , drilling etc upto 100 mm dia pipe all as specified and directed including connections of complete all as specified and directed.

Supplying and laying of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches/ walls complete including connections of bore size of pipe 20mm dia all as specified and directed.

Supplying and laying of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches/ walls complete including connections of bore size of pipe 25mm dia all as specified and directed.

Supplying and laying of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches/ walls complete including connections of bore size of pipe 50mm dia all as specified and directed.

All as per item No 17 hereinbefore but with CPVC Schedule 40 Pipes and Plain CPVC Schedule 80 fittings with Inner Bore of pipe 75 mm dia all as specified and directed. Note for item No 15 to 18: 1. Excavation and earth work will be measured and paid separately. 2. Suitable size of Union will be provided at all branches tees joints and at a maximum distance of 30 RM of straight pipe and rates are deemed to be included in the rate quoted above for ease in maintenance.

Gun metal globe valves with iron wheel head screwed both end for iron pipe of sizes 15mm bore complete all as specified and as directed

Gun metal globe valves with iron wheel head screwed both end for iron pipe of sizes 20mm bore complete all as specified and as directed.

Gun metal globe valves with iron wheel head screwed both end for iron pipe of sizes 25mm bore complete all as specified and as directed.

Gun metal globe valves with iron wheel head screwed both end for iron pipe of sizes 40mm bore complete all as specified and as directed.

Gun metal globe valves with iron wheel head screwed both end for iron pipe of sizes 50mm bore complete all as specified and as directed.

Gun metal globe valves with iron wheel head screwed both end for iron pipe of sizes bore 100mm dia Non return butterfly valve complete all as specified and as directed.

Supply, fixing and testing sluice valve flanged and drilled both ends CI body, heavy duty, class PN 1:6 gun metal spindle conforming to IS 14846 including jointing with and including rubber gaskets, bolts, nuts, and washers complete and dismantling taking out old unserviceable sluice valve including cutting unscrewing old nut bolts for size 80mm dia complete all as specified and directed.

Supply, fixing and testing sluice valve flanged and drilled both ends CI body, heavy duty, class PN 1:6 gun metal spindle conforming to IS 14846 including jointing with and including rubber gaskets, bolts, nuts, and washers complete and dismantling taking out old unserviceable sluice valve including cutting unscrewing old nut bolts for size 100mm dia complete all as specified and directed.

Supply, fixing and testing sluice valve flanged and drilled both ends CI body, heavy duty, class PN 1:6 gun metal spindle conforming to IS 14846 including jointing with and including rubber gaskets, bolts, nuts, and washers complete and dismantling taking out old unserviceable sluice valve including cutting unscrewing old nut bolts for size 150mm dia complete all as specified and directed.

Supply, fixing and testing sluice valve flanged and drilled both ends CI body, heavy duty, class PN 1:6 gun metal spindle conforming to IS 14846 including jointing with and including rubber gaskets, bolts, nuts, and washers complete and dismantling taking out old unserviceable sluice valve including cutting unscrewing old nut bolts for size 200mm dia complete all as specified and directed.

Foot valve of Brass, Plunger type, heavy duty suitable for 100 mm dia pipe line, including replacement of old unserviceable foot valve of any type and size from suction pipe of pump set all as specified and directed.

PVC insulated water proof multi stranded copper conductor cable 3 core 6 sq mm 1100 volts grade ISI marked including disconnecting dismantling taking out old unserviciable cable from LT panel to submersible pump moter set in bore well all as specified and directed.

Chlorinated water testing Kit with coloured sample complete with all testing fitments and OT solution in rexine finish / wooden box/ PVC box complete all as specified and direcetd.

Collection and testing of water sample collected from taken over points at Madukkarai and tested in any authorised Government approved lab/NABL and obtain the water testing report and submit to AGE E/M office complete all as specified and directed. Note: 1) 5 Ltr sealed bottle used for collecting the sample shall be provided by the contractor. 2) Testing of water for physical and chemical parameters shall be deemed to be included in quoted rate.

Preparation of Old treated steel surface over 10cm width/girth and applying two coats of synthetic enamel paint complete all as specified and directed.

Preparation/ cleaning of old painted steel surfaces of any description such as electric motor operator pumps set and base plates, its foundation including suction/deliver GI Pipe line up to ground level writing of SM No.etc all as per colour code or all as specified and directed. Note:- One job includes Two Sets of pump and pipe line of suction and delivery and other connected items all above at one installation including writing of block stencil cut MES No.2 cm height complete all as specified and as directed.

Site clearance by cutting of shrubs, cutting of grass, bush weed, trees, sapling not exceeding in 30 CM girth and removal of grass with roots and leveling area and removal of same outside not more than 50m complete all as specified and directed.

Supply and replacement of star delta starter fully automatic suitable for electric pump set motors 7.5 HP to 10 HP cap, 3 phase, 415volts, comprising of main star delta contactor, timer, overload relay including taking out old unserviceable starter complete all as specified and directed. Note: The rate coated above are deemed to be included the cost of minor alteration to the panel for fixing of above starter complete all as specified and directed.

cleaning of 2 lakh ltr capacity RCC UG water storage sump / ground level tank by pumping out dirty water & removing all sludge, dirt silt etc from walls and floor of the tank & treating the wall with bleaching powder,rubbing scrasping walls and floor with the wire brushes and taking out all silt, sludge and dirt from the sump and depositing to a distance up to 50 meter complete all as directed by engineer in charge after primery cleaning the empty sump shall be cleaned further with mixture of fresh water and potassium permagnate at the rate two percent with water & washing the sump shall be continued till water stored in the tank looks clear and then appling two coats of lime wash inside the sump and painting of outer dom / top by means of white wash and writing the date of cleaning and capacity of sump of size of letter 4" with White synthetic enemel paint over Black synthetic enamel paint patta of suitable size, distinctively and area cleaning incl removal of bushes,unwanted plants and grass with roots around 50mtr all the sides from the UG resorvoirfor all as specified and directed.

All as per item No 37 hereinbefore but 50000 Ltr capacity all as specified and directed.

All as per item No 37 hereinbefore but 4 Lakh Ltr capacity all as specified and directed.

Cleaning of 2 Lakh ltr capacity 20 mtr RCC overhead water storage tank by removing all sludge, dirt silt etc from walls and floor of the tank & treating the wall with bleaching powder,rubbing scrasping walls and floor with the wire brushes and taking out all silt, sludge and dirt from the sump and depositing to a distance up to 50 meter complete all as directed by engineer in charge after primery cleaning the empty sump shall be cleaned further with mixture of fresh water and potassium permagnate at the rate two percent with water & washing the sump shall be continued till water stored in the tank shall be continued till water stored in the tank looks clear and then appling two coats of lime wash inside the tank and writing the date of cleaning and capacity of Tank of size of letter 4" with synthetic enemel paint (white) over Black synthetic enamel paint patta of suitable size,distinctively including preparation of base and area cleaning incl removal of bushes,unwanted plants and grass with roots around 50mtr all the sides from the OH resorvoir all as specified and directed.

All as per item No 40 hereinbefore but 30000 gallon capacity 20 mtr all as specified and directed.

All as per item No 40 hereinbefore but 20000 gallon capacity 15 mtr all as specified and directed.

Replacement ball valves made out of PVC with polythene float and fly nut of size 25mm bore of pipes complete all as specified and directed

Replacement ball valves made out of PVC with polythene float and fly nut of size 20mm bore of pipes complete all as specified and directed

Lifting and dismantling the submersible pump set 7.5 HP to12.5 HP capacity by dismantling pumps and motor and replacement of worn out spares of pumps and reassembling the same and testing complete all as specified and directed.

Rewinding of 7.5 up to 12.5 HP AC three phase Submersible monoblock motor with super enameled copper wire of same wire gauge and turn out old burnt out wire with insulating material including varnishing , turning and polishing to the shaft and / or rotor, including replacement of suitable size of bearing etc complete all as specified and directed.

Rewinding of 5 to 10 HP capacity AC three phase pump set motor with super enameled copper wire of same wire gauge and turn out old burnt out wire with insulating material including varnishing, turning and polishing to the shaft and or rotor, including replacement of suitable size of bearing etc complete all as specified and directed.

Repair and replacement Terminal plate with brass nuts ,washers suitable for 3 phase 5 to 10 HP mono block pump set complete all as specified and directed.

Repair and replacement of Rubber bush coupling suitable for 10 HP Centrifugal pump set complete all as specified and directed

Supply only High strength calcium based granular chlorination chemical of White granules Granular size: (Mess passing through -100 BSS) 1:1 (=0.1%) Water/Moisture : 5.00 (0.2%) other insoluble calcium salt : 1.1 (+0.1%) mercury and other heavy metal containment: BDL. Strength of items of quantity of chlorination chemical required to obtain free chlorine of 1 PPM per one lakh liters of water. chlorination chemical must contain acceptable level of granular size to avoid exit complete all as specified and directed.

Cleaning and removing all scale, dirt etc from 250 Ltrs capacity RCC/ AC/ Ferro cement water tanks and mouth of circular pipes, following capacity of tanks including writing letters or figures (Block, Roman, Italic or Indian ) not exceeding 15cm high (Example: Cleaned on 05 JAN 2022) complete all as specified and as directed.

Cleaning and removing all scale, dirt etc from 500 Ltrs capacity RCC/ AC/ Ferro cement water tanks and mouth of circular pipes, following capacity of tanks including writing letters or figures (Block, Roman, Italic or Indian ) not exceeding 15cm high (Example: Cleaned on 05 JAN 2022) complete all as specified and as directed.

Cleaning and removing all scale, dirt etc from 1000 Ltrs capacity RCC/ AC/ Ferro cement water tanks and mouth of circular pipes, following capacity of tanks including writing letters or figures (Block, Roman, Italic or Indian ) not exceeding 15cm high (Example: Cleaned on 05 JAN 2022) complete all as specified and as directed.

Cleaning and removing all scale, dirt etc from 2000 Ltrs capacity RCC/ AC/ Ferro cement water tanks and mouth of circular pipes, following capacity of tanks including writing letters or figures (Block, Roman, Italic or Indian ) not exceeding 15cm high (Example: Cleaned on 05 JAN 2022) complete all as specified and directed. Note for item No 51 to 54: Detail procedure of cleaning the water tank is as below:- a) Remove all water from the water tank and then desilt the tank b) All walls & floor of the tank should be scrubbed througly with detergent powder c) Then the tank is again filled with fresh water & bleach powder is to be added in the dose 4-5 gram per 1000 liters

Cover for sintex tank of 200/500/1000 lit cap made of polythene with all accessories all as specified and directed.

MS plain black sheet 1.60mm thick for covering to top of water tank staging valve chamber cover cut to size hole & punching including reveting welding as required complete fixed in repairs all as specified and directed.

Preparation /cleaning of old painted steel surfaces of Valve chamber cover,pipe line, pump house doors/window etc. carrying painting with one coats of synthetic enameled paint first quality paint all as specified and directed.

Motor starters for submersible water pump set Heavy duty DOL starter type MK I with robust 4 pole contactor & LR1D OLR in S.S enclosere. Suitable for 5 HP 3 phase all as specified and directed

Supply only Bleaching powder for water treatment complete all as specifeid and directed.

Supply only alum sulphate complete all as specified and directed.

Material & labour for attending breakdown of 150 mm dia pipe line bursting/cracks including broken pipe pieces of various sizes through gas cutting or manual cutting as required at site and providing new CI/MS/GI pipes of required length (not more than 2m) and removing out the damaged CI pipe and inserting necessary specials such as flanges etc as required at site including testing for the leakages of flange joints for 150mm dia MS/CI pipes complete all as specified and directed by Engr-in -charge Note: Excavation,returning refilling will be measured and paid seperately under relevant item of Sch.

Replacement of Bulk water meter of size 150mm flange type with sensor and mechanical arrangement for mesuring the flow of water in existing 150 mm main water incoming line by providing non return valve by cutting and making necessary arrangement for installing and testig the meter from TWAD Board / corporation complete and depositing the old meter to AGE E/M office as specified and directed.

Taking down the existing panel board and connected accessories as directed and specified.

Supply, install, testing and commissioning of IP 65 thermoplastic polycarbonate distribution board, Degree of protection- IEC 60529, enclosure:- RAL 7035, System voltage:- 415V, 3Ph, Indoor / floor mounting, I/C &O/G at the bottom, In accordance with IEC 60 439-1 (IS8623) at ASTA ( CPRI Bhopal Laboratory ) and IEC 60 439-2 for power switchgear and controlgear assembly, Degree of protection against mechanical load IK 08 (5 Joule) ) in accordance with accordance with EN IEC 62262, Rated insulation voltage should be 690V AC as per IEC 60664. Enclosure should be totally insulated, protection class II.glow wire test at 9600C in accordance with IEC 60 695-2-11 UL subject 94, should be flame retardant and self-extinguishing in nature including necessary glands etc at the bottom sheet cover and consisting of the following items:- (a) MCB 63 amps, 4 pole, 25KA, 415 Volts - 01 No for main Incomming. (b) MCB 32 amps, 4 pole, 10KA, 415 Volts - 02 Nos for outgoing (c)10KVAR Contactor and capacitor-02 Nos (d) LED indicator lamps (R,Y,B) - 01 Set (e) Digital Multi Function Meter -02 Nos (f) Digital KWH Meter-02 Nos (g)Start stop push button -2 set (h)Star Delta starter contactor for 10 HP Centrifugal pumpset without enclosure-02 set, Make: L&T (j) Single phase preventor-01 No Make: Hensel Drw No HEN MI DB-3309-22-1 or Equivalent CPRI approved polycarboante panel manufacture.

Earthling complete with GI earth plate electrode 60x60cmx6mm thick buried directly in ground earth pit not less than 2.25m deep below ground level with top edge of the plate not less than 1.5m below normal ground level connected to GI earth strip of 32x6 mm by means of bolts and nuts washers mase out of GI and earth strip protected by Galvanized pipe light grade 40mm bore, 20 mm bore medium grade watering pipe and connected to main control board all as shown in Electrical plate No 5 of SSR part I including necessary earth work and excavations in any type of soil PCC 1:2:4 type B1 chamber with 40mm thick, RCC 1:2:4 cover slab with 6mm dia MS bars etc complete all as specified.

Supply, install, testing and commissioning of IP 65 thermoplastic polycarbonate distribution board, Degree of protection- IEC 60529, enclosure:- RAL 7035, System voltage:- 415V, 3Ph, Indoor / floor mounting, I/C &O/G at the bottom, In accordance with IEC 60 439-1 (IS8623) at ASTA ( CPRI Bhopal Laboratory ) and IEC 60 439-2 for power switchgear and controlgear assembly, Degree of protection against mechanical load IK 08 (5 Joule) ) in accordance with accordance with EN IEC 62262, Rated insulation voltage should be 690V AC as per IEC 60664. Enclosure should be totally insulated, protection class II.glow wire test at 9600C in accordance with IEC 60 695-2-11 UL subject 94, should be flame retardant and self-extinguishing in nature including necessary glands etc at the bottom sheet cover and consisting of the following items:- (a) MCB 32 amps, 4 pole, 25KA, 415 Volts - 01 No for main Incomming. (b) LED indicator lamps (R,Y,B) - 01 Set (c) Digital Ammeter -01 Nos (d) Digital Voltmeter -01 Nos (e) Star Delta starter contractors, timer and push buttons for 10 HP submercible pumpset without enclosure-01 Nos Make L&T. (f) 30/5A, CL1, current transformer -03 Nos (g) Fuse Terminal block with fuse -03 Nos (h) 1 KVAR duty capacitor-01 Nos (j) Capacitor duty contractor -01 Nos Make: Hensel Drw No HEN MI DB-3309-22-2 or Equivalent CPRI approved polycarbonate panel manufacture.

K C ASSOCIATES

ANAND REFRIGERATION

Hydro Therm Engineers

KUMAR AGENCIES