ROUTINE MAINTENANCE SERVICING AND REPLACEMENT OF EXTERNAL WATER SUPPLY DISTRIBUTION NETWORK AND ALLIED WORKS AT SECTOR C UNDER AGE EM I OF GE 865 EWS

Excavation in trenches not exceeding 1.5m wide, and not exceeding 1.5m in depth, in hard/dense soil and getting out leveling the bottom surface to required grediant for laying of water supply mains, complete all as specified all as directed by Engr-in-Charge.

Returning filling in, including leveling watering and well ramming in layers not exc 25 cm thick complete all as specifed and as directed

Removal of surplus excavated soil to a distance not exceeding 50 mtr away and depositing where directed at a level not exceeding 1.5 mtr above complete all as directed.

Supplying & Laying GI tubing 25 mm bore medium grade with all fittings and laid in floors or trenches, including taking up or down existing unserviceable tubing, complete all as specified all as directed by Engr-in-Charge. Note :- Excavation and earth work shall be measured and paid separately under respective items.

Supplying & Laying GI tubing 32 mm bore medium grade with all fittings and laid in floors or trenches, including taking up or down existing unserviceable tubing, complete all as specified all as directed by Engr-in-Charge. Note :- Excavation and earth work shall be measured and paid separately under respective items.

Supplying & Laying GI tubing 40 mm bore medium grade with all fittings and laid in floors or trenches, including taking up or down existing unserviceable tubing, complete all as specified all as directed by Engr-in-Charge. Note :- Excavation and earth work shall be measured and paid separately under respective items.

Supplying & Laying GI tubing 50 mm bore medium grade with all fittings and laid in floors or trenches, including taking up or down existing unserviceable tubing, complete all as specified all as directed by Engr-in-Charge. Note :- Excavation and earth work shall be measured and paid separately under respective items.

Supplying & Laying GI tubing 80 mm bore medium grade with all fittings and laid in floors or trenches, including taking up or down existing unserviceable tubing, complete all as specified all as directed by Engr-in-Charge. Note :- Excavation and earth work shall be measured and paid separately under respective items.

Supplying & Laying GI tubing 100 mm bore medium grade with all fittings and laid in floors or trenches, including taking up or down existing unserviceable tubing, complete all as specified all as directed by Engr-in-Charge. Note :- Excavation and earth work shall be measured and paid separately under respective items.

Supplying & Laying GI tubing 150 mm bore medium grade with all fittings and laid in floors or trenches, including taking up or down existing unserviceable tubing, complete all as specified all as directed by Engr-in-Charge. Note :- Excavation and earth work shall be measured and paid separately under respective items.

Supplying & Laying PP-R pipes PN 20 / SDR 6, 3 layer 90 mm dia bore with all fittings conforming to IS-15801 and fixed complete to walls and ceiling or laid in floors or trenches, including taking up or down existing unserviceable tubing, complete all as specified all as directed by Engr-in-Charge. Note :- Excavation and earth work shall be measured and paid separately under respective items.

Supplying & Laying PP-R pipes PN 20 / SDR 6, 3 layer 63 mm dia bore with all fittings conforming to IS-15801 and fixed complete to walls and ceiling or laid in floors or trenches, including taking up or down existing unserviceable tubing, complete all as specified all as directed by Engr-in-Charge. Note :- Excavation and earth work shall be measured and paid separately under respective items.

Supplying & Laying PP-R pipes PN 20 / SDR 6, 3 layer 50 mm dia bore with all fittings conforming to IS-15801 and fixed complete to walls and ceiling or laid in floors or trenches, including taking up or down existing unserviceable tubing, complete all as specified all as directed by Engr-in-Charge. Note :- Excavation and earth work shall be measured and paid separately under respective items.

Supplying & Laying PP-R pipes PN 20 / SDR 6, 3 layer 40 mm dia bore with all fittings conforming to IS-15801 and fixed complete to walls and ceiling or laid in floors or trenches, including taking up or down existing unserviceable tubing, complete all as specified all as directed by Engr-in-Charge. Note :- Excavation and earth work shall be measured and paid separately under respective items.

Supplying & Laying PP-R pipes PN 20 / SDR 6, 3 layer 32 mm dia bore with all fittings conforming to IS-15801 and fixed complete to walls and ceiling or laid in floors or trenches, including taking up or down existing unserviceable tubing, complete all as specified all as directed by Engr-in-Charge. Note :- Excavation and earth work shall be measured and paid separately under respective items.

Supplying & Laying PP-R pipes PN 20 / SDR 6, 3 layer 25 mm dia bore with all fittings conforming to IS-15801 and fixed complete to walls and ceiling or laid in floors or trenches, including taking up or down existing unserviceable tubing, complete all as specified all as directed by Engr-in-Charge. Note :- Excavation and earth work shall be measured and paid separately under respective items.

Supply and fixing in replacement of gate valve 63mm dia screwed down high pressure with crutch or butter fly handle screwed both ends for PP-R pipes or for union and fixed completely as specified complete all as specified and as directed by Engr-in-Charge.

Supply and fixing in replacement of gate valve 50mm dia screwed down high pressure with crutch or butter fly handle screwed both ends for PP-R pipes or for union and fixed completely as specified complete all as specified and as directed by Engr-in-Charge.

Supply and fixing in replacement of gate valve 40mm dia screwed down high pressure with crutch or butter fly handle screwed both ends for PP-R pipes or for union and fixed completely as specified complete all as specified and as directed by Engr-in-Charge.

Supply and fixing in replacement of gate valve 32mm dia screwed down high pressure with crutch or butter fly handle screwed both ends for PP-R pipes or for union and fixed completely as specified complete all as specified and as directed by Engr-in-Charge.

Supply and fixing in replacement of gate valve 25mm dia screwed down high pressure with crutch or butter fly handle screwed both ends for PP-R pipes or for union and fixed completely as specified complete all as specified and as directed by Engr-in-Charge.

Supply and fixing in replacement gun metal gate valve ISI marked cast copper alloy screwed down high pressure with crutch or butterfly handle screwed both ends for iron pipe or for union and fixed complete all as specified for the size 50 mm dia bore.

Supply and fixing in replacement gun metal gate valve ISI marked cast copper alloy screwed down high pressure with crutch or butterfly handle screwed both ends for iron pipe or for union and fixed complete all as specified for the size 40 mm dia bore.

Supply and fixing in replacement gun metal gate valve ISI marked cast copper alloy screwed down high pressure with crutch or butterfly handle screwed both ends for iron pipe or for union and fixed complete all as specified for the size 25 mm dia bore.

Supply and fix in replacement cast iron sluice valve for water supply purpose with CI drilled flanged ends (internal cast 150 mm bore class PN 1.6 conforming to IS 780 marked) with stainless steel spindle and iron wheel incl jointing material compete such as rubber packing rings of adequate size and requisite number of nuts, bolts and washers complete all as specified.

Supply and fix in replacement cast iron sluice valve for water supply purpose with CI drilled flanged ends (internal cast 100 mm bore class PN 1.6 conforming to IS 780 marked) with stainless steel spindle and iron wheel incl jointing material compete such as rubber packing rings of adequate size and requisite number of nuts, bolts and washers complete all as specified.

Supply and fix in replacement cast iron sluice valve for water supply purpose with CI drilled flanged ends (internal cast 80 mm bore class PN 1.6 conforming to IS 780 marked) with stainless steel spindle and iron wheel incl jointing material compete such as rubber packing rings of adequate size and requisite number of nuts, bolts and washers complete all as specified.

S & F in replacement of cast iron air release valve flanged type heavy duty grade single outlet air release valve 25 mm bore and fixinf upto 150 mm dia CI/ DI/ GI pipe incl suitable adopter, rubber hinged sheet, nut, bolt etc complete all as spd and directed.

S & F in replacement non return valve ISI marked flanged ends with by pass arrangments of size 150 mm dia bore all s specified and directed.

S & F in replacement non return valve ISI marked flanged ends with by pass arrangments of size 100 mm dia bore all s specified and directed.

Supply mixing for ALTOCH-GP (calcium based granular disinfectant for water treatment more stable than chlorine gas and stronger than bleaching powder and sodium hypo chlorite) paking in 45 Kgs plastic drums all as specified and directed.

Material and labour for construction of stone masonary valve pit size 1000x1000x750 cm (internal dimension) built in cement mortal 1:6 incl plastering 20mm thick internally and externally in CM 1:4, PCC 1:4:8 type D-2 15 Cm thick in foundation extending 10cm beyound external faces of wall around, PCC flooring 1:2:4 type B-1, 40mm thick cover made out of 3.15mm thick MS round bar, and locking arrangement with lock 2 keys, MS sheet cover painted with two coats of synthetic enamelled paint over a coat of red oxide primer, complete all as specified and directed as by Engr-in-Charge.

Supply and fixing in replacement of Oil immerssed Star Delta Starter with over load protection 3 phase with complete accessories as per standard specification for operating upto 100 HP motors including necessary connections and testing on completion, complete all as specified and as directed by the Engineer-in-Charge.

M&L for de-watering, cleaning of water reservoir/UG sump of 25000 Galloon capacity with high pressure jet complete all as specified and directed in six stages cleaining process as under :- (a) De watering the tank with portable sub mersible pump of suitable capacity (b) Cleaning of wall, ceiling and floor with high pressure rotary water jet and bleaching powder/liquid (c) Spraying of non toxic bio de-gradable echo friendly anti bacterial agent certified by Govt approved lab to disinfect the tank from harmful pathogens. The dose utilized should be as per OECD guide No.432. (d) Treatment of inside tank exposing UV radiation to kill the suspended or floating bacterial material remaining in the tank.

M&L for de-watering, cleaning of water reservoir/UG sump of 50000 Galloon capacity with high pressure jet complete all as specified and directed in six stages cleaining process as under :- (a) De watering the tank with portable sub mersible pump of suitable capacity (b) Cleaning of wall, ceiling and floor with high pressure rotary water jet and bleaching powder/liquid (c) Spraying of non toxic bio de-gradable echo friendly anti bacterial agent certified by Govt approved lab to disinfect the tank from harmful pathogens. The dose utilized should be as per OECD guide No.432. (d) Treatment of inside tank exposing UV radiation to kill the suspended or floating bacterial material remaining in the tank.

M & L for checking of leakage at various places including labour for excavation,welding work,returning filling including requitred material (e.g. lead jointing,rubber gaskit,flange,ironing for PPR pipes etc.) for DI/CI/GI/PPR 150mm-250 mmdia pipe complete all as specified and directed.

M & L for checking of leakage at various places including labour for excavation,welding work,returning filling including requitred material (e.g. lead jointing,rubber gaskit,flange,ironing for PPR pipes etc.) for DI/CI/GI/PPR 40mm-65mm dia pipe complete all as specified and directed.

M & L for checking of leakage at various places including labour for excavation,welding work,returning filling including requitred material (e.g. lead jointing,rubber gaskit,flange,ironing for PPR pipes etc.) for DI/CI/GI/PPR 80mm-100mm dia pipe complete all as specified and directed.

Lifting of defective submersible pump set including motor of any type and size from the bore well along with column pipe including disconnection electric and water supply connection as required and keep aside for re-use after repair including transport to the workshop for repair complete all as directed by the Engineer-in-chgarge.

Rewinding of 25 HP submersible motor vertical type with suitable size of copper conductor PVC wire complete all as specified and directed.

Rewinding of 40 HP submersible motor vertical type with suitable size of copper conductor PVC wire complete all as specified and directed.

Lowering of submersible pump and motor set alongwith column pipe of any size with including provision of new jointing materials such as rubber gasket, nuts and bolts and washers, pipe connection, jointing with M-Seal Jointing kit cable connection and testing complete.

Supply & fixing PVC insulated flat submersible cable with copper conductor 3 core 16 sqmm complete all as directed by the Engineer-in-chgarge.

Supply & fixing PVC insulated flat submersible cable with copper conductor 3 core 10 sqmm complete all as directed by the Engineer-in-chgarge.

M&L for disconnection of burnt/defective motor from foundation/coupling, transportation to civil workshop for opening the motor and cutting/removing the burnt windings, cleaning the stator and rotor with cleaning agent rewinding the motor with appropriate gauge of super enamelled copper wire of approved make. Insulating the winding with same class of insulation. Supply and replacement of base foundation incl nuts and bolts and re-installing the motor and connecting the pump for testing the motor and re installation at site after repair of electric motor, 3 phase, 415 volt 50 Htz AC for satisfactory performance all as directed by Engr-in-Charge for the following capacities and make of motors including demolition of existing bed of the motor after lifting and M&L for providing new PCC bed for respective motor as per existing old size incl making certain cemented platform works complete all as specified (The item rate is inclusive of new foundation bolts :-

Electric motor, 3 phase, 415 volt capacity 100HP. Make : Siemens/Jyoti/Crompton Greaves/Kirloskar

Electric motor, 3 phase, 415 volt capacity 25 HP. Make : Siemens/Jyoti/Crompton Greaves/Kirloskar

Electric motor, 3 phase, 415 volt capacity 15 HP. Make : Siemens/Jyoti/Crompton Greaves/Kirloskar

Supply and fix in replacement Altoch dosing system consisiting of 100 litres PE/FRP tank with E/FRP lid and level gauge alongwiith Agiator (1280 RPM) with shaft and blade (FRP/Epoxy coated) plastic mounted on tank lid having port hole for pouring Altoch and water as required. Lid having provision for mounting dosing pump on lid Agiator motor 90 watts, 1440 RPM, 230 volts 50 cycles, 0.2 Amp and having speed controller to reduce speed upto 800 rpm of Model ADS - I of Declibac

Deduct Schedule of Credit of Rs (-) 123130.00 (Minus) as listed in Schedule 'A' (Contd). Contract Sum shall be arrived after deducting the credit amount. Note :- Tenderers will not quote against this item being a firm amount.

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