8189-REPAIRS MAINT OF EXTERNAL WATER SUPPLY, PUMP SETS, DG SETS, CLEANING OF OVER HEAD TANKS, UG SUMPS, WELLS AND OTHER CONNECTED WORKS AT PALLAVARAM AREA, BAFFLE RANGE AND DGQA UNDER GE STM

Amount

Taking up of unserviceable / rusted tubing and connections of 15mm bore from excavated trench / walls / floors / ceiling etc including cleaning for refixing or removal to store complete all as directed.

All as per item No.1 herein before but for 20mm bore pipe

All as per item No.1 herein before but for 25mm bore pipe

All as per item No.1 herein before but for 40 or 50mm bore pipe

All as per item No.1 herein before but for 80mm bore pipe

All as per item No.1 herein before but for 100mm bore pipe

Supply and laying GI tubing of 15mm bore galvanized medium grade of any length including all fittings such as bend, elbow, tee and union on floors/ walls/ceilings complete.

All as per item No.7 herein before but for 20mm bore pipe

All as per item No.7 herein before but for 25mm bore pipe

All as per item No.7 herein before but for 40mm bore pipe

All as per item No.7 herein before but for 50mm bore pipe

All as per item No.7 herein before but for 80 mm bore pipe

All as per item No.7 herein before but for 100mm bore pipe

Supply and laying GI tubing of 15mm bore galvanized medium grade of any length including all fittings such as bend, elbow, tee and union in trenches complete.

All as per item No.14 herein before but for 20mm bore pipe

All as per item No.14 herein before but for 25mm bore pipe

All as per item No.14 herein before but for 40mm bore pipe

All as per item No.14 herein before but for 50mm bore pipe

All as per item No.14 herein before but for 80mm bore pipe

All as per item No.14 herein before but for 100mm bore pipe

Re-fixing old steel tubing 15mm bore obtained from Srl item No 1 and connection in new or old position in trenches/wall/ceiling/ floors etc with using all new fittings as directed.

All as per item No.21 herein before but for 20mm bore pipe obtained from Srl item No 2

All as per item No.21 herein before but for 25mm bore pipe obtained from Srl item No 3

All as per item No.21 herein before but for 40/50mm bore pipe obtained from Srl item No 4 Note:For item Nos.1 to 24: Excavation & earth work shall be measured and paid seperately under relevant items.

Excavation in trenches n.exc 1.5m width and n.exe 1.5m in depth and getting out in hard dense soil for removing / laying pipe line complete all as specified.

Returning filling including spreading, Levelling, Watering and well ramming of hard/ dense soil in layers n.exc 25cm deep complete all as specified

Removing excavated soil to a distance n.exe 50m and depositing where directed by Engineer-in-Charge at a level n exc. 1.5m above the starting point

M & L Cutting the existing bituminous road / cement concrete surface 150mm thick to the required width and depth for laying pipe line and making good the disturbed area to match with existing complete all as specified.

Replacement of unserviceable gun metal globe or gate valve of brass heavy duty ISI marked with iron wheel head, butterfly handle screwed both ends for iron pipe of 15mm bore complete in place of all as directed fixed in repairs.

All as per item No.29 here in before but for iron pipe of 20mm bore

All as per item No.29 here in before but for iron pipe of 25mm bore

All as per item No.29 here in before but for iron pipe of 40mm bore

All as per item No.29 here in before but for iron pipe of 50mm bore

Supply and fix in repair, Ball valves for 15mm dia bore pipe high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe and fixed. (Minimum weight 15mm-142gms/ 20mm-210gms./ 25mm-455gms/ 40mm - 690 gms)

All as per item No.34 herein before but for 20mm bore pipe.

All as per item No.34 herein before but for 25mm bore pipe.

Replacement of cast iron 80mm bore sluice valve PN 1.6 both flanged heavy duty drilled and installed with stainless spindle gun metal face rings rubber gasket 3mm thick, MS bolts nuts and washers graphite rope complete including taking down the old unserviceable valves.

All as per item No.37 here in before but for 100mm bore

All as per item No.37 here in before but for 150mm bore

Supply & fix in replacement of CI non-return valve of size 80mm bore complete all as specified and directed.

All as per item No.40 here in before but for 100mm bore

M&L for run lead joint fixed in repairs including provision of spun yarn etc for 80mm bore CI pipe fitting complete all as directed.

All as per item No.42 above but suitable for 100mm CI pipe fitting complete all as directed

All as per item No.42 above but suitable for 150mm CI pipe fitting complete all as directed

M&L for repairing gland packing of sluice valve including nut, bolts of suitable size 80mm to 150mm bore.

Cutting the existing damaged 100mm dia CI line in position supply and inserting CI collar of 100mm and testing including necessary earth work in sludgy soil, dewatering and refilling the same in layers complete all as specified and directed by Engr-in-charge

All as per item No.46 here in before but of 150mm bore pipe.

M&L for cast iron fittings such as bends tapers to pieces( Single or double) branch pieces any type, straight, connecting pieces, socket, collars, caps, plugs, flanges/spigot with nut, bolts and washers for 80mm to 150mm dia complete including taking down existing fitting complete all as specified and directed.

Supply and laying in replacement Cast iron pipes of size 100mm with spigot and socket ends centrifugally cast. Class A, in any length, laid in trenches.

Supply and laying in replacement Cast iron pipes of size 150mm with spigot and socket ends centrifugally cast. Class A, in any length, laid in trenches.

Taking out defective submersible pump set of capacity 3 /3.5 HP from bore well for repair by lifting GI tubing of size 40/50 mm from up to 220 feet depth after disconnecting electrical and pipe line connection complete by means of chain pully block or other T&P, transporting to workshop including repair/replacement of worn out parts, servicing and overhauling complete with oiling/greasing, lubricating the parts and reassembling and painting of submersible pump set with motor with two coat of synthetic enamel paint after cleaning and scrubbing and shifting back to bore well, lowering commissioning and testing on full load complete all as specified and directed by Engineer-in-Charge. Note:- This includes labour charge only. For maint, repair and replacement of defective / UNSV spares / accessories spares are to be measured and paid separately. Cost of other minor items /spares such as Nut Bolts, washers, gaskets etc, which are not covered under Sch “A” but reqd for making fully functional of the plant shall be deemed to be included in this item.

Replacement of following items /parts for above pump. Ref at item No 51.00

Shaft for pump

Impeller

Gun metal bearing bush.

Thrust bearing complete

Stainless steel motor coupling with key.

Stainless steel studs and nuts

Shaft for motor

All as per item No 51 above but from open /shallow well with GI pipe of size 50/80mm and shallow well depth upto 40/50 feet for capacity 10 HP to 15 HP

Replacement of following items /parts for above pump. Ref at item No 53.00

Shaft for pump

Impeller

Gun metal bearing bush.

Thrust bearing complete

Stainless steel motor coupling with key.

Stainless steel studs and nuts

Shaft for motor

Dismantling the motor of submersible pump set, 3/3.5 HP removing the existing burnt out winding and rewinding with PVC copper winding wire of existing gauge and weight including replacement of all insulation material, "O" rings and filling of cooling oil with oil seal and terminal lead for AC 3 Phase 440 volts grade and other petty items required for making motor functional and motor reassembling and testing complete all as directed by Engineer-in-Charge

Dismantling the motor of submersible pump set, 10/15 HP removing the existing burnt out winding and rewinding with PVC copper winding wire of existing gauge and weight including replacement of all insulation material, "O" rings and filling of cooling oil with oil seal and terminal lead for AC 3 Phase 440 volts grade and other petty items required for making motor functional and motor reassembling and testing complete all as directed by Engineer-in-Charge

Dismantling the motor of openwell submersible pump set of capacity 10 HP, removing the existing burnt out winding and rewinding with PVC copper winding wire of existing gauge and weight including replacement of all insulation material, "O" rings and filling of cooling oil with oil seal and terminal lead for AC 3 Phase 440 volts grade and other petty items required for making motor functional and motor reassembling and testing complete all as directed by Engineer-in-Charge

Opening the existing centrifugal pumpset of any make, Overhauling, greasing,lubricating, reassembling and testing etc, replacing unserviceable parts, reconnecting the pumpset including testing of capacity 10HP. (Spare parts will be measured seperatly )

Replacement of following items /parts for above pump. Ref at item No 58.00

Ball bearing

Bush bearing

Gland bolts,nuts,washers.

Gasket

Dismantling the existing unserviceable motor from centrifugal pumpset, rewinding the same using existing guage copper wire including all accessories such as insulating sleeves, varnishing, reconnecting including testing for the following capacity.

Supply and fix water pressure guage 0 to10 Kg/sqcm 100mm dia dial needle round fixed on discharge line of centrifugal pump including removing old unserviceable all as directed Make: RMCO or equivelent of Kirloskar.

Disconnecting the existing unserviceable motor starter, Supply & fix motor starter DOL type 3 phase suitable for pumpset upto 7.5/5.5 HP/KW over load range 8.9-13.5A Make:Bharatia cutler hammer Cat No:NAKLEN or equivalent of Siemens..

Dismantling the eixsting CI foot valve and S&F Ball type foot valve of size 80mm dia Make : RMCO or Kirloskar.

Dismantling the existing unserviceable non return valve and S&F non return valve Cast iron body of size 100mm with GM working parts conform to IS - 5312. Make : RMCO or Kirloskar.

Dismantling the existing unserviceable non return valve and S&F non return valve Cast iron body of size 80mm with GM working parts conform to IS - 5312. Make : RMCO / Kirloskar.

M&L for PVC insulated, PVC sheathed, un armoured flexible copper conductor cable 3 core 4 sq mm, 1100 V grade suitable for submersible pumps using in borewells. Make: Havels or equivelent of Finolex.

Supply and connect Submersible PVC insulated cable of 650/1100 volts grade 3 core 6 sqmm with flexible copper conductor water resistant quality ISI marked in replacement.

M & L for check valve, gun metal, vertical type, 80mm dia and to be fixed in the suction line end at sump after dismantling of UNSV at site.

S & F GI tubing medium grade 80mm dia with all fittings, laying in floor / ceiling / lowering in well in 3 mtr lengths with heavy grade sockets all as directed

S & F GI tubing medium grade 50mm dia with all fittings, laying in floor / ceiling / lowering in well in 3 mtr lengths with heavy grade sockets all as directed

Cleaning the internal surfaces of Under Ground Sump by scrapping down/brushing and removing all silt dirt, algae etc from walls, floors, washing/ cleaning with water and applying one coat of white wash to all internal surfaces of walls and bottom of room and with one coat of distember to all external surfaces including top surfaces of UG sump. All old steel surfaces such as vent pipes, inlet, outlet pipes, ladder shall be painted with one coat of anti corrosive bituminous paint. Paintings to oblitering labels shall be not less than 60 x 40 cm using black paint same as existing dimensions and writing particulars etc using white paint with height of letters same as existing writing complete as directed by Engr-in-charge for following capacity :-

3000 gallons capacity

10000 gallons capacity

20000 gallons capacity

50000 gallons capacity

Desilting of open /shallow wells of size dia of 30 feet and 48 feet depth.mentioned below by bailling out of water from the well through pump set, removing the silt (mud/sand etc) from the floor of the wells and deposting not exceeding 50 metre, cleaning the inside vertical surface of the wells with wire brushes including removing the large growth and removing the large floating on the water completely all as specified and directed.

All as per item No 73.00 hereinbefore but open /shallow wells of size 30 to 33 feet and 40 feet depth.

Cleaning the internal surfaces of Over Head Tank at any height / staging by scrapping down/brushing and removing all silt dirt, algae etc from walls, floors, washing/ cleaning with water and applying one coat of white wash to all internal surfaces of walls and ceilings and. Paintings to oblitering labels shall be not less than 60x40cm using black paint same as existing dimensions and writing particulars etc using white paint with height of letters same as existing writing complete for following capacity all as directed by Engineer-in-charge.

3,000 gallons capacity

20,000 gallons capacity

50,000 gallons capacity

75,000 gallons capacity

Material and labour for servicing DG Set Engine complete oil servicing, necessary replacement of below mentioned spares and servicing work for 82.5 KVA DG Set incl 6 months warrantee for servicing .(a) Diesel Filter (Pre+micro) - 2Nos, (b) Engine Oil filter (Spain-on type) - 2 Nos, (c) Engine Oil as required, (d) Radiator Coolant - 1 Ltrs.

Material and labour for general oil servicing of DG Set Engine complete and replacement of below mentioned spares and servicing work for 12.5/15 KVA DG Set incl 6 months warranty for servicing .(a) Diesel Filter (Pre+micro) - 2Nos, (b) Engine Oil filter (Spain-on type) - 2 Nos, (c) Engine Oil as required, (d) Radiator Coolant - 1 Ltrs.

M&L fuel pump & Fuel injectors calibration charges for DG set capacity upto 82.5 KVA complete all as specified and as directed by Eng-in-Charge.

'V' belt for fan / dynamo / water pumps for genset capacity upto 82.5 KVA Make : FENNER / DUNLOP)

M&L for replacement of automatic voltage regulator (AVR) of armature of DG set capcity upto 82.5 KVA, 415 volts 3 phase 1500 RPM 50 Hz suitable make.

Renewal of unserviceable lead acid recgargeable batteries by new of 4 cell 12 volts, 180 AH duly initial charged for Genset Make: Exide or equivalent in Amaron

Battery lead with flexible copper conductors PVC insulated of size single core 50 sqmm suitable for 12/24 volts batteries Make : HAVELLS/FINOLEX.

Battery terminal clamp with bolts and nuts, brass suitable for 50 sqmm single core copper multistraded cable and 12 V, 180 AH battery terminal posts. Make : SHANCO.

Terminal socket for battery lead copper suitable for 50 sqmm single core copper multistranded cable

Asbestos rope 10mm dia wound on exhaust pipe

PVC transparent pipe 8mm bore dia and 2 mm thick connecting upto for fuel inlet/overflow links, fuel tank, fuel indicator

Dismantling battery, replacing unserviceable terminal posts PVC cap re-charging the battery to the required standard replacing the electrolyte all as specified ad directed for12 Volts battery upto 180 AH capacity.

M&L for old painted surface of Gen Set of any make/model /capacity and applying one coat of synthetic enamel paint including writing MES No after cleaning and rubbing the existing surface of Gen Set complete all as specified and directed.

Epoxy type cable jointing kit complete with all the jointing material, ferrule, for 1100 volts flat submersible copper conductor cable16/10/6/4 Sqmm 3 cores Make : Reychem/Birla 3 M or any make approved by GE

Cutting, cleaning and surface cleaning of bushes, unwanted Vegetation inside the installation area and depositing not less than 50 m distance from perimeter wall of all all as specified and as directed.

M&L Sprinkler Pro sport type gear driven rotor capable of covering an area of 43' to 75' (13.1 mtr to 22.9M) radius at nozzle pressure of 40 to 90 PSI (2.76 to 6.21 bar) with a discharge rate of 5.9 to 32.5 GPM0 22.3 to 123.0 LPM) and having following secicfications . Make: K - Rain Pro Sport or equivalent

Repair to existing 80mm HDPE pipe flanged joint with 40mm GI pipe GI flanged joint in valve pit including replacemnt of HDPE Tee with flange, GI flange, GI elbow, GI nipple, GI union, necessary nut and bolts and other minor items required to make it functional and leak proof all as directed.

Servicing of water level indicater system of over head reservoir and under ground sump to make it functional and replace the replacing the following components as required all as directed.

Supply and replace 3 pair core PVC insulated copper cable of size 1.5 sqmm and to be laid from over head reservoir/ underground sump to digital board inside pump house all as specified

Supply and fixing water level indicator with alarm system electrically operated switch fitted in pump house and display board on wall all as specified. Make -Arunneshwar or equivalent

Servicing of solar water heating system 200 LPD including solar panel, cold water tank, hot water tank to make it functional and replace the parts as required all as directed.

Supply and fixing water flow meter flanged type 100mm dia, brass, PN16 with dail all as specified and directed. Make : As approved by Engr-in-Charge

Material & Labour construction of brick masonery valve pits of size 900 x 900 x 900 mm (internal dia) with brick work in cement mortar (1:4) including excavation and earth work, concrete work 3mm thick MS sheet cover with locking arrangement hinges and handle rendering work, painting to all steel surfaces with two coats red oxide primer complete all as specified and as directed.

S & F GI tubing heavy grade 100mm dia with all fittings, laying in floor / ceiling / lowering in well in 3 mtr lengths with heavy grade sockets all as directed

All as per item No.99 hereinbefore but of 80mm dia

All as per item No.99 hereinbefore but of 50mm dia

Cleaning and Desilting of sewage sump of size internal dia 12 feet and 15 feet depth including connected manhole inside the installation by bailing out the sewage water and collecting sewage in container lorry disposing off and removing the complete sediments manually from the sump and disposing off including cleaning of inner walls, floors, with wire brush and clean water, applying two coats of white wash on inner walls complete and external surfaces complete all as directed.

Dismantling self starter of any make from diesel engines of any make, opening up, overhauling / servicing including replacement of armature coils bushes carbon brushes, springs, screws, etc., assembling back, re-fixing and testing for genset capacity 40/62.5 KVA.

RK ENTERPRISES