REPAIR AND MAINT OF CI/GI/DI/UPVC /PPR PIPE LINES AND MAINT OF CENTRIFUGAL/ MONOBLOCK / SUBMERSIBLE PUMP AND MOTOR AT DOMESTIC AREA ARMY UNDER GE AVADI.

Amount

Excavation in trenches n. exc. 1.5 mtr wide and n. exc. 1.5 mtr in depth for laying of CI/GI water tubing and getting out in any type of soil complete all as specified and directed.

Removing excavated material not exceeding 50m and depositing where directed at a level not exceeding 1.5M above the starting point completed all as specified and directed.

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

Supply and laying UPVC pipes 100 mm dia of Sch 80 laid in trench complete including all fittings such as bends, tees, short pieces, connectors, elbows, reducers, union, sockets etc laid in trenches including taking down the old rusted pipe and testing complete all as specified and as directed.

All as per item no 4.00 here in before but for 80mm dia

All as per item no 4.00 here in before but for 50mm dia

All as per item no 4.00 here in before but for 40 mm dia

All as per item no 4.00 here in before but for 25 mm dia

All as per item no 4.00 here in before but for 20 mm dia

Material and Labour for drilling/development of existing bore hole at different locations using rotary rig for a diameter of 300mm size and depth each exceeding 60m but not exceeding 120 m in any type of soil/rock including removal of soil to a distance of not more than 50m complete all as specified and as directed.

M&L for removing old unsv casing and Supply and lowering PVC casing pipes into bore holes, PVC plain pipe of outer dia 165mm and wall thickness not less than 5.7mm conforming to IS specifications including taking down old pipe from existing bore complete all as specified and as directed.

All as per item No 12 here-in-before but PVC pipe of perforated type complete all as specified and as directed.

Supply and fix PVC cap screwed for PVC pipe 165mm outer dia and fixed at the bottom of casing pipe including taking down old cap from existing bore complete all as specified and as directed.

Supply and fill in the annular space between PVC casing pipe and true bore hole, free pebbles of size 6mm to 10mm complete all as specified and as directed.

Supply and fix MS clamp each made in two halves for holding GI pipes into bore wells made up of Flat iron 50 x 6 mm with holes drilled and suitable size bolts, nuts and washers including providing two numbers PCC pillars on both side of the bore well for resting the clamps including taking down old clamp from existing bore complete all as specified and as directed.

Supply and lowering U PVC Colum pipe ( Treaded Pipe ) 50mm bore dia heavy grade alongwith the submersible type pump set including necessary cutting to required lengths and screwing, including necessary fittings and fixed complete including taking down old pipe from existing bore all as specified and as directed.

Supply and fix heavy duty galvanized steel socket (coupling) 100mm long suitable for coupling 50mm bore dia GI pipe complete all as specified and as directed.

Supply and fix cable submersible type into bore hole alongwith GI pipe and pump, PVC insulated, sheathed, stranded copper conductor cables of 1100 volts grade, water proof, with flexible copper conductor of size 3 core 6 sqmm all conforming to IS specification including necessary jointing kit and connecting up motor and starter terminals and testing complete including taking down old cable from existing bore all as specified and as directed.

M&L for replacement of Nylon rope of 16mm dia suitable for borewell all as specified and as directed.

M&L for earthing complete with galvanised steel earth plate electrode 600x600x6mm thick buried in ground vertical to a depth not less than 2.25 mtrs deep below ground level with top edge of plate not less than 1.5 mtr below normal ground level connected to galvanised GI strip of size 32 X 6 mm and 40 mm dia bore 7.5 mtr long light grade GI protection pipe for earth strip and GI watering pipe 40 mm dia medium grade from the topp edge of earth plate fixed with deep cut on one end of pipe and fix from earth plate up to one feet above ground level of other end and plugged watering pipe at top with MS cap and grouted in PCC 1:2:4 of size 30 X 30 X 30 CM etc and 15 CM alternate layer of charcoal and salt around all sides of earth plate all as shown in electric plate No 3 of SSR part I of 2009.all as specified and as directed. Note :- All joints either strip to strip or strip to earth plate are fixed with welded joints.

Material and labour for demolition of old broken / usnv valve pit and construction masonary valve chamber size 120 X 120 X 120 cm (Internal dimension) in repair with 100 mm thick PCC 1:4:8 type D-2 (using 40mm graded stone aggregate) sub base of floor, 50mm thick PCC 1:2:4 type B-1 (using 20mm graded stone aggregate) in floor finished even and smooth without using extra cement, one brick thick wall in cm 1:4 using old size sub class 'B' bricks and plastering internally and externally upto 150mm below GL 15 mm thick with cement mortar (1:4) and MS sheet cover not less than 6 mm thick with angle iron frame size 40x40x6mm, locking arrengement and painting with two coats synthewtic enamel painting over a coat of the red oxide primer including excavation and earth work in any type of soil complete all as specified and directed.

Material and labour for for demolition of old broken / usnv valve pit and construction masonary valve chamber size 90 X 90 X 90 cm (Internal dimension) in repair with 100 mm thick PCC 1:4:8 type D-2 (using 40mm graded stone aggregate) sub base of floor, 50mm thick PCC 1:2:4 type B-1 (using 20mm graded stone aggregate) in floor finished even and smooth without using extra cement, one brick thick wall in cm 1:4 using old size sub class 'B' bricks and plastering internally and externally upto 150mm below GL 15 mm thick with cement mortar (1:4) and MS sheet cover not less than 6 mm thick with angle iron frame size 40x40x6mm, locking arrengement and painting with two coats synthewtic enamel painting over a coat of the red oxide primer including excavation and earth work in any type of soil complete all as specified and directed.

Strata sample box made out of second class hard wood (Hollock) with openable shutter having complete transparent glass and locking arrangement, having not less than 20compartments capable of holding 400 to 600 gms of strata sample, painting two coats over a coat of primer complete all as specified and directed.

M & L for fixing in replacement MCCB, 4P, suitable for 440 Volts, 400 Amps, 36KA, Ics=100% ICU with adjustable type, fixing to the existing panel board matching with the existing slots, including any alteration required and with extention links properly connected to the bus bar complete all as specified and as directed.

All as per item no 24.00 here in before but for 250 Amp , 4P , 36 KA , Ics=100% Icu

All as per item no 24.00 here in before but for 200 Amp , 4P , 36 KA , Ics=100% Icu

All as per item no 24.00 here in before but for 160 Amp , 4P , 36 KA , Ics=100% Icu

M&L for replacement of DOL starter , three phase, 415 Volt , 50 Hz relay rating upto 16 Amps suitable for pumpsets upto 7.5 HP capacity in sheet metal enclsoure of IP-54 Protection as in repairs complete all as specified and as directed.

Supply and fix in repair starter suitable for centrifugal pump of capacity 5.5 KW/7.5 HP , suitable for operating on 3 phase AC supply 415 Volts, comprising of inbuilt by-pass contractor, soft start/soft stop/adjustable current limit , essential motor protection against overload single phasing, phase sequence reversal, abnormality in supply, unbalanced current, thermostator protection through PTC, excess start time setting, PC interface and with necessary protection of start by means of contractor/relay etc. The starter shall have MCCB 63 Amp, 4 pole to control the incoming supply, transformer, under voltage protection device, over voltage protection device, semi conductor fuse, contactor, LED indicator for R/Y/B & ON/OFF indication, Amp Meter with CTs & voltmeter of suitable rating complete fixed in and including CRCA sheet 2.0 mm thick powder coated complete with fabrication work complete all as specified and as directed.

Material & labour for cleaning away all grass vegetation, cutting of bushes and scapling shrubs bushes under growth roots and trees not exceeding 30 cm girth and removing rubbish inside the periphery of area of Pump houses/ Sewage tretment plant, around bore wells, around starter panel of borewells etc complete all as specified and directed. Note :- All types of tools and plant required for cleaning/ cutting will be arranged by the contractor without any extra cost.

Supply and spraying anti vegetation chemical liquid of 1ltrs bottle mixed with water all as specified and as directed. Note:- Spray pump for spraying chemical will be arranged by the contractor without any extra cost.

Material and Labour to repair / maint of unsv booster/ centrifugal pumps of 100 HP capacity and dismantling and strip opening to complete booster/centrifugal pump under mention cap and segrigated all serviceable parts and kept at site for reuse incl replacement of bronze impellar of suitable size and bushes bearing and other required parts and making serviceable to the pump complete and servicing, cleaning,greasing, overhauling, re-alignment with lock,key,nut, bolts,washers and reassembling the same after testing complete and all as specified and as directed.

All as per item no 32.00 here in before but for 90 HP capacity

All as per item no 32.00 here in before but for 60 HP capacity

All as per item no 32.00 here in before but for 40 HP capacity

All as per item no 32.00 here in before but for 15 HP capacity

All as per item no 32.00 here in before but for 7.5 HP capacity

All as per item no 32.00 here in before but for 5 HP capacity

Material and Labour to repair / maint of unsv booster/ centrifugal pumps motor electric driven for 100HP capacity and dismantling and opening complete motor under mention cap and segrigated all serviceable parts and kept at site for reuse incl rewinding motor with supper enamled wire of suitable gauge complete , and replaceing bushes, bearing check nut, and other required parts and varnishing the same incl painting of motor , making serviceable to the motor complete and servicing, cleaning,greasing, overhauling, re-alignment with lock,key,nut, bolts,washers and reassembling the same after testing complete and all as specified and as directed..

All as per item no 39.00 here in before but for 90 HP capacity

All as per item no 39.00 here in before but for 60 HP capacity

All as per item no 39.00 here in before but for 40 HP capacity

All as per item no 39.00 here in before but for 15 HP capacity

All as per item no 39.00 here in before but for 7.5 HP capacity

All as per item no 39.00 here in before but for 5 HP capacity

Supply, lowering, installing, commissioning and testing of submersible pumping set having capacity 1650 LPM at 90 meter head with outlet size 50 mm bore including electric motor AC 3 phase, 400-440 volt, 50 c/s submersible not less than 7.5 HP with all accessories all as specified and as directed.

S&F submercible cable 25 Sqmm, 3 core copper cable, 1100 volts conforming IS 694 complete with all accessories all as specified and as directed.

M&L for replacement of sluice valve flanged & drilled holes type of size 300mm bore with high tensile S/S spindle duly ISI marked class PN 1.6 with jointing material and nut, bolt, washer complete incl dismandling of old u/s sluice valve all as specified and as directed.

All as per item no 48.00 here in before but for sluice valve size 250mm dia

All as per item no 48.00 here in before but for sluice valve size 200mm dia

All as per item no 48.00 here in before but for sluice valve size 150mm dia

All as per item no 48.00 here in before but for sluice valve size 100mm dia

All as per item no 48.00 here in before but for sluice valve size 80mm dia

M&L for replacement of gun metal gate valve, ISI marked of the 50mm bore of pipe complete all as specified and as directed.

All as per item no 54.00 here in before but for gate valve size 40mm dia

M&L for MS pipe of size 100 mm dia having one flange end and strainer at other end as suction column pipe with pressure each of length 3 mtr complete all as specified and as directed.

M&L for replacement of broken tyre coupling TC/P/014 complete set including bearing and outer plate of suitable for pump and motor of capacity upto 60 HP complete all as specified and as directed.

M&L for replacement of broken tyre coupling suitable for 40 HP Pump and motor complete set including bearing and outer plate complete all as specified and as directed.

M&L for replacement of broken tyre coupling suitable for 15 HP Pump and motor complete set including bearing and outer plate complete all as specified and as directed.

Material and labour for. lifting and lowering of submersible pump set 5 to 7.5 HP capacity and of size 50/40 mm bore of dia with flanged column pipe ( each length of column pipe not more than 3 mtr ) maximum depth of submersible pump not more than 60mtr by opening the column pipe after removing old burnt / rusted nut bolts, washers including replacement of rubber gasket and nut bolts and washer etc, complete all as specified and as directed .

Repair/maint of unsv submersible pumping set 7.5 HP of capacity from bore well and dismantling and strip opening of 3 phase 415 volt, 2900 rpm AC submersible pump at site in presence of Engineer-in-charge for checking complete carrying pump set to workshop for repair of pump set ,dismentling and step opening to complete of under mentioned capacity, and segregate all serviceable parts and kept at site for reuse of unsv parts/spares such as CI/ GM impeller,necking bowl bushes,sand cap,CI intermediate bowl,s/s pump shaft etc , complete servicing, cleaning, greasing , reassembling inclding testing at site on full load complete aall as specified and as directed.. Notes :- Parts shall be measured and paid separately

Repair/maint of unsv AC submersible motor of capacity 7.5 HP from bore well and dismantling and strip opening of 3 phase 415 volt, 2900 rpm at site in presence of JE/Engineer-in-charge for checking complete carrying motor to workshope for repair of motor ,dismentling and step opening to complete of under mentioned capacity, and segrigate all serviceable parts and kept at site for reuse and rewinding with PVC insulated supper quality water proof copper winding wire of suitable size/gauge and nos of turns incl replacing insulated material varnish, drying and submersible cable for connection from motor to out side up to 1.5 mtr length and reassembling including testing at site on full load complete all as specified and directed.

Repair/maint of unsv submersible pumping set 5 HP of capacity from bore well and dismantling and strip opening of 3 phase 415 volt, 2900 rpm AC submersible pump at site in presence of Engineer-in-charge for checking complete carrying pump set to workshop for repair of pump set ,dismentling and step opening to complete of under mentioned capacity, and segregate all serviceable parts and kept at site for reuse of unsv parts/spares such as CI/ GM impeller,necking bowl bushes,sand cap,CI intermediate bowl,s/s pump shaft etc , complete servicing, cleaning, greasing , reassembling inclding testing at site on full load all as specified and as directed.. Notes :- Parts shall be measured and paid separately

Repair/maint of unsv AC submersible motor of capacity 5 HP from bore well and dismantling and strip opening of 3 phase 415 volt, 2900 rpm at site in presence of JE/Engineer-in-charge for checking complete carrying motor to workshope for repair of motor ,dismentling and step opening to complete of under mentioned capacity, and segrigate all serviceable parts and kept at site for reuse and rewinding with PVC insulated supper quality water proof copper winding wire of suitable size/gauge and nos of turns incl replacing insulated material varnish, drying and submersible cable for connection from motor to out side up to 1.5 mtr length and reassembling including testing at site on full load complete all as specified and as directed.

Supply and fixing in replacement CI impeller suitable for 5 to 7.5 HP submersible pump including provision of phasing, cutting of key way etc complete to match with the size of pump shaft complete in all respect as specified and required at site all as specified and as directed.

Supply and fixing in replacement Gun metal bush suitable for impeller 5 to 7.5 HP submersible pump including provision of phasing, cutting of key way etc complete to match with the size of pump shaft complete in all respect as specified and required at site all as specified and as directed.

Supply and fixing in replacement stain less steel shaft suitable for 5 to 7.5 HP submersible pump including provision of way to fix the bushes for impellers etc complete to match with the existing size of pump shaft complete in all respect as specified and required at site all as specified and as directed.

M&L for Developing and flushing the bore wells for a period of 4 hours with high pressure compressed air pump till clear water flows out including removing and reflxing of installation complete all as specified and as directed. Note:- To avoid water supply hammpered in the station only one bore well will be handover to contractor for devolping and flushing after completion and functioining of first bore other bore will be handover for flushing. Contractor will not demand to handover all bore well in one day. No extra amount will be paid to contractor for the time delay.

Supply only calcium hypo chlorite 65 to 70 % chlorine content calcium based granular (Mesh passing through - 100 BSS) 1.1 (+ or - 0.1%) for disinfectant of water treatment daily as per MES norms and all as specified and as directed.

Supply and fix in replacement for soft starter suitable for centrifugal pump of capacity 60 HP , suitable for operating on 3 phase AC supply 415 Volts, comprising of inbuilt by-pass contactor, soft start/soft stop/adjustable current limit , essential motor protection against overload single phasing, phase sequence reversal, abnormality in supply, unbalanced current, thermostator protection through PTC, excess start time setting, PC interface & with necessary protection of start by means of contactor/relay etc. The starter shall have MCCB 125 Amp, 4 pole to control the incoming supply, transformer, under voltage protection device, over voltage protection device, semi conductor fuse, contactor, LED indicator for R/Y/B & ON/OFF indication, Amp Meter with CTs & voltmeter of suitable rating.all as specified and as directed.

Supply and fix in replacement for soft starter suitable for centrifugal pump of capacity 15 HP , suitable for operating on 3 phase AC supply 415 Volts, comprising of inbuilt by-pass contactor, soft start/soft stop/adjustable current limit , essential motor protection against overload single phasing, phase sequence reversal, abnormality in supply, unbalanced current, thermostator protection through PTC, excess start time setting, PC interface & with necessary protection of start by means of contactor/relay etc. The starter shall have MCCB 63 Amp, 4 pole to control the incoming supply, transformer, under voltage protection device, over voltage protection device, semi conductor fuse, contactor, LED indicator for R/Y/B & ON/OFF indication, Amp Meter with CTs & voltmeter of suitable rating all as specified and as directed.

Supply and fix in replacement for 25 mm bore dia UPVC gate valve (brass insert) complete all as specified and as directed.

Supply and fix in replacement for 20 mm bore dia UPVC gate valve (brass insert) complete all as specified and as directed.

Supply, lowering, installing, commissioning and testing of submersible pumping set having capacity 1650 LPM at 90 meter head with outlet size 50 mm bore including electric motor AC 3 phase, 400-440 volt, 50 c/s submersible not less than 5 HP with all accessories all as specified and as directed.

Supply, lowering, installing, commissioning and testing of submersible pumping set having capacity 1650 LPM at 90 meter head with outlet size 50 mm bore including electric motor AC 3 phase, 400-440 volt, 50 c/s submersible not less than 6 HP with all accessories all as specified and as directed.

Supply and fix for Non Return Valve of 200mm dia ISI marked including fitting with jointing materials such as nuts, bolts, washers and rubber gasket etc of suitable size including taking out old unserviceable Non return valve complete all as specified and directed.

Supply and fix for Non Return Valve of 150mm dia ISI marked including fitting with jointing materials such as nuts, bolts, washers and rubber gasket etc of suitable size including taking out old unserviceable Non return valve complete all as specified and directed.

Supply and fix in repair for CI/DI fittings for spigot socketed /flanged pipe upto 150mm bore such as bends (any type, radius and angle) tapers any type (straight, bend, increasing, decreasing or double socket etc), tee, joint pieces, single branch 'Y' junction double branch cross (all sockets or socket and spigot) collars caps complete all as specified and directed. ( Note :-Joints shall be measured and paid separately).

Supply and fix in repair for CI/DI fittings for spigot socketed /flanged pipe 200mm to 300mm bore such as bends (any type, radius and angle) tapers any type (straight, bend, increasing, decreasing or double socket etc), tee, joint pieces, single branch 'Y' junction double branch cross (all sockets or socket and spigot) collars caps complete all as specified and directed. ( Note :-Joints shall be measured and paid separately).

Supply and fix non asbestos, non friction valve and gland packing 12mm dia, suitable for sluice valve any type complete all as specified and as directed.

M&L for cleaning grease from pump and motor with cloth and apply new high quality, grease suitable for electrical motor and pump conforming to BIS 12203 complete all as specified and as directed.

M&L for replacement of automative gear oil SAE-140 complete all as specified and as directed.

Supply and fix in repair for Rubber star coupling suitable for centrifugal pump upto 30 HP complete all as specified and directed.

Supply and fix in repair for Rubber star coupling suitable for centrifugal pump upto above 30 HP but nor more than 60 HP complete all as specified and directed.

Material and labour for applying two coats of synthetic enamel paint as per colour coding after scraping the old paint Painting to CI/MS/ borewell pipe line of any size 200 to 300mm dia including sluice valve complete all as specified and directed.

Material and labour for applying two coats of synthetic enamel paint as per colour coding after scraping the old paint Painting to CI/MS/ borewell pipe line of any size 80 to 150 mm dia including sluice valve complete all as specified and directed.

Material and labour for applying two coats of synthetic enamalled paint as per colour coding after scraping the old paint Painting to Column Pipe vertical type connected to OHT/UG Sump , CI/MS type of any size 80 to 300 mm dia including sluice valve complete all as specified and directed. Note :- T&P like scuffolding , wire brush, painting brush , ladder, safety belt, safety rope etc for painting upto height of 21 mtr / depth upto 10 mtr of OHT/ UG Sump will be arranged by the contractor without any extra amount all as specified and as directed.

M&L for inspection of Induction motor and pump set at various location under GE Avadi for checking the alignment of pump and motor make them in good alignment, greesing and oiling mechanical parts upto 60 HP Pump motor set complete all as specified and as directed.

M & L in replacement old rusted angle iron , valve pit cover including locking arrangement, and construction of new pump & motor foundation , valve pit chamber , valve pit cover , locking arrange for valve pit etc by using angle iron and back plates fabricated from structural steel sections including nut bolts washers welding bending cold and hot drilling holes for bolts in any shape or size as indicate or directed and inclusive of one primer coat one under coat and one finishing coat of paint.complete all as specified and as directed.

M&L for cleaning of internal and outer surface of valve chamber with wire brush to remove all the algae and prepare surface with complete white wash with two coat lime water inside/ outside valve pit chamber including two coat of black paint on top Cast Iron cover and black paint for sluice valve and CI/DI pipe inside chamber also marking arrow for direction of water flowing with writing name of area feeding in white paint complete all as specified and as directed.

M & L for Detecting leakage in Cast Iron Pressure Pipes of 200/250/300 mm bore in any location, any depth including necessary earthwork excavation and repairing and arresting leakage by providing S/S leak arrester and Jointing Material, Flanged Clamps, Nuts, Washers & Bolts etc. complete all as specified and as directed.

All as per item no 91.00 here in before but for 150 mm bore.

All as per item no 91.00 here in before but for 100 mm bore.

All as per item no 91.00 here in before but for 80 mm bore.

All as per item no 91.00 here in before but for 50/40 mm bore. Note :- Repair material such as bend , tee, nipple, union of suitable size etc shall be included in the quoted rate. No extra amount paid to the contractor for the same.

S&F chloroscope test kit with sheet metal enclosure box suitable for testing residual chlorine range ppm 0.1PPM to 5PPM at water supply installation including taking down unserviceable chloroscope complete all as specified and as directed .

Collection of water samples from various open/ shallow/ bore wells/ sumps all as per standard instructions and guidelines of the Authorised lab, and transporting the samples safely and getting the same tested for chemical and bactyeriological tests from the same institute and submit the result all as specified and directed. Note:- Sample will be collected by contractor or his rep from various locations at Avadi Station and bottle and levelling of sample will be provided by the contractor without any extra cost and all as specified and as directed.

S&F in repalcement UPVC Male & Female threaded adaptor having 50mm dia complete all as specified and as directed.

S&F in repalcement UPVC Male threaded adaptor having 40mm dia complete all as specified and as directed.

S&F in repalcement UPVC Male threaded adaptor having 25mm dia complete all as specified and as directed.

S&F in repalcement UPVC Male threaded adaptor having 20mm dia complete all as specified and as directed.

M&L for replacement of UPVC coupler 50mm dia complete all as specified and as directed.

M&L for replacement of UPVC coupler 40mm dia complete all as specified and as directed.

M&L for replacement of UPVC coupler 25m dia complete all as specified and as directed.

M&L for replacement of UPVC coupler 20mm dia complete all as specified and as directed.

M&L for replacement of UPVC Elbow 50mm dia complete all as specified and as directed.

M&L for replacement of UPVC Elbow 40mm dia complete all as specified and as directed.

M&L for replacement of UPVC Elbow 25mm dia complete all as specified and as directed.

M&L for replacement of UPVC Elbow 50mm dia complete all as specified and as directed.

M&L for replacement of UPVC union 50mm dia complete all as specified and as directed.

M&L for replacement of UPVC union 40mm dia complete all as specified and as directed.

M&L for replacement of UPVC union 25mm dia complete all as specified and as directed.

M&L for replacement of UPVC union 20mm dia complete all as specified and as directed.

M&L for replacement of UPVC reducer 50mm x 40mm dia complete all as specified and as directed

M&L for replacement of UPVC reducer 25mm x 15mm dia complete all as specified and as directed

M&L for replacement of UPVC reducer 20mm x 15mm dia complete all as specified and as directed

M&L for replacement of UPVC Tee 25mm dia complete all as specified and as directed

M&L for UPVC solvent to fixing UPVC pipes and fitting complete all as specified and as directed.

RK ENTERPRISES (BID ID -3339928)

PSK Enterprises (BID ID -3339994)