REPAIR AND MAINTENANCE OF CI/DI/GI AND REPLACEMENT OF OLD CORRODED WATER SUPPLY PIPE LINES,SUBMERSIBLE PUMP SET AND MONO BLOCK MOTOR WITH PUMP SET AND CONNECTING ITEMS ETC AT DAD COLONY SECTOR 35B, PCDA BUILDING SECTOR 9 A, N AREA AND HELLOMAJRA

Amount

Excavation in trenches in soft/loose soil not exc 1.5m wide and not exc 1.5m deep & getting out for laying of pipes complete all as specified and directed by Engineer-in-charge.

Returning, filling in, incl spreading, leveling, watering and well ramming in layers not exc 25cm thick layers of soft/loose soil complete and all as specified.

Removing excavated material to a distance not exc 50m to a distance & depositing where directed at a level not exc 1.5 above the starting point complete all as specified.

Taking out existing CI pipe line 200mm dia both end flanged or spigot or socket jointed incl burning of joints of lead wherever applicable complete all as directed by Engr-in-charge. Note :- Excavation and earth work measured and paid separately

All as per Item No 4 above but of size 150mm dia

All as per Item No 4 above but of size 100mm dia.

All as per Item No 4 above but of size 80mm dia.

Re-laying of CI pipe line 200 mm dia reterived against item No 4 here in before ,both ends flanged or spigot socketed Incl cleaning, cutting, welding,jointing with lead/tyton/rubber gaskit joint and CI fittings,nut and bolts,where ever applicable complete all as specified and directed by Engineer - in- Charge.

All as per Item No 8 above but of size 150mm dia reterived against item No 5.

All as per Item No 8 above but of size100mm dia reterived against item No 6.

All as per Item No 8 above but of size 80mm dia reterived against item No 7.

M&L for CI pipe line 200mm dia (centrifugally cast) ‘class LA’ and in any length with spigot and socket ends as per IS-1536 1989 with run lead joint laid in trenches or in any position complete all as specified. Note :- Excavation, earth work and run lead joints shall be measured and paid separately.

All as per Item No 12 above but of size 150mm dia.

All as per Item No 12 above but of size 100mm dia.

All as per Item No 12 above but of size 80mm dia.

Taking up or down existing steel water tubing & connections incl all fittings for 80mm bore pipe in trenches on walls or in any position wherever applicable complete all as directed by Engr-in-charge. Note :- Excavation and earth work measured and paid separately.

All as per Ser Item No 16 above but 50mm dia.

All as per Ser Item No 16 above but 40mm dia.

All as per Ser Item No 16 above but 25mm dia.

All as per Ser Item No 16 above but 20mm dia.

All as per ser item No 16 above but 15mm dia.

Supply and Laying in repairs steel water tubing complete with all fittings size 80mm bore medium grade ISI marked IS-1239-1976 pipe laid in trenches on walls or in any position complete all as directed by Engr-in-charge.

All as per Ser Item No 22 above but 50mm dia.

All as per Ser Item No 22 above but 40mm dia.

All as per Ser Item No 22 above but 25mm dia.

All as per Ser Item No 22 above but 20mm dia.

All as per Ser Item No 22 above but 15 mm dia.

Re-fixing old steel tubes and connections of size 15 mm bore in new or old position (walls, ceilings, floors/trenches etc.) complete all as specified. NOTE: GI tube taken down under serial item No 21 shall be fixed under this item.

Re-fixing old steel tubes and connections of size 20 mm bore in new or old position (walls, ceilings, floors/trenches etc.) complete all as specified. NOTE: GI tube taken down under serial item No 20 shall be fixed under this item.

Re-fixing old steel tubes and connections of size 25 mm bore in new or old position (walls, ceilings, floors/trenches etc.) complete all as specified. NOTE: GI tube taken down under serial item No 19 shall be fixed under this item.

M & L for CI fittings size up to150 mm bends ( any radius and angle ) Tee pieces single branch. `Y` junction , double branch cross ( all socket or socket and spigot ) collars, caps and plugs etc.,

All as per item No 31 but size of CI fittings up to 200 mm bore.

M & L for Run lead joint and incl replacement of bolts, nuts & washers complete for 80 mm bore CI pipe fixed and testing after completion.

All as per item No 33 above but size of 100 mm bore.

All as per item No 33 above but size of 150 mm bore.

All as per item No 33 above but size of 200 mm bore.

M&L for construction of valve chamber of size 120 x120 x120 CM with brick masonary including 3.15 mm thick MS sheet cover fixed with angle iron frame 40x40x6mm thick complete with locking arrangement and lifting handle incl two coat of anti- corrosive synthetic enamel paint over a coat of red oxide primerto steel surfsces complete all as specified.

All as per Item No 37 above but size of Valve pit 90cm x 90cm X90cm.

Supply & fixing Sluice valve PN-1.6 (ISI marked) confirming to IS-14846-2000 with brass spindle and fly net flanged both ends and drilled for jointing, wheel head type including nuts, bolts, washes & 02 Nos rubber insertion packing etc for 250 mm bore pipeand fixed, in repairs, complete all as specified.

All as per Item No 39 above but size 200 mm dia.

All as per Item No 39 above but size 150 mm dia.

All as per Item No 39 above but size 100 mm dia.

All as per Item No 39 above but size 80 mm dia.

Supply and fix in repair Gun-metal, globe or gate valves, ISI marked (IS:778) with iron wheel head, screwed both ends for iron pipe and fixed of size 50mm dia, in repairs, complete all as specified.

All as per Item No 44 above but size 40 mm dia.

All as per Item No 44 above but size 25 mm dia.

All as per Item No 44 above but size 20 mm dia.

Supply and replacemant of Air release valve cast iron air valve with two air outlets L for 80 mm dia bore complete wit fixing arrangement complete all as specified and as directed.

Supply & fixing 100 mm bore cast iron non Return valve PN-1.6 heavy duty both side flanged (ISI Marked) complate with fixing arrangement including taking down old existing NRV after disconncting from pipe line & removing from site complete all as specified and as directed.

Supply & fixing 150 mm bore cast iron non Return valve PN-1.6 heavy duty both side flanged (ISI Marked) complate with fixing arrangement including taking down old existing NRV after disconncting from pipe line & removing from site complete all as specified and as directed.

Cutting existing 15 mm bore, ‘medium grade’, galvanized tubes, for alteration or additions (each cut measured) providing threads etc.complete all as directed by the Engineer- in-Charge.

Cutting existing 20 mm bore, ‘medium grade’, galvanized tubes, for alteration or additions (each cut measured) providing threads etc.complete all as directed by the Engineer- in-Charge.

Cutting existing 25 mm bore, ‘medium grade’, galvanized tubes, for alteration or additions (each cut measured) providing threads etc.complete all as directed by the Engineer- in-Charge.

Cutting existing 40mm to 50 mm bore, ‘medium grade’, galvanized tubes, for alteration or additions (each cut measured) providing threads etc.complete all as directed by the Engineer- in-Charge.

Screwing existing steel water tubing for alteration or additions or tightening screw on pipe to form connector pipe 15mm.

All as per item No.55 here-in-before but 20mm dia of pipe.

All as per item No.55 here-in-before but 25mm dia of pipe.

All as per item No.55 here-in-before but 40 & 50 mm dia of pipe.

S &F Fabrication and fix MS black sheet of 6 mm thick cofiroming to FE 410-W( Gde-E250 quality) for valve pit chamber cover ,incl cutting,welding, provn of ( two nos holes,1 No lifting hook and grooting one side with MS fasterner/ Pes in valve pit wall/Ms frame) provn of locking arrangement and making good disturbed surfaces with same material.All as specified and directed by engineer -in-charge.

M&L for arresting of water leakage from existing pipe line in position from DI/CI/GI pipe of 250 to 300 mm bore ,including excavation through Men/Mechnical power ,cutting,welding as per site requirement,jointing material such as lead joint/gaskit joint/CIfitting, nutand bolts,washers and refilling etc complete.All as specifide and directed by Engineer- In- Charge. Note:- (i) Excavation up to 1x1x6 Mtr will be deem to incl in quoted rate. More excavation will be measured and paid saperately. (ii) Jointing material and pipe length will be measured and paid saperately.

All as per item No.60 here-in-before but 150 to 200 mm dia of pipe.

All as per item No.60 here-in-before but 80 to 100 mm dia of pipe.

M&L for arresting of water leakage from existing pipe line in position from GI pipe of 40 to 50 mm bore sizes ,including excavation through Men/Mechnical power ,cutting threading,welding as per site requirement, incl jointing material such as GI ( Bend, socket ,reducer, tee,furrel, union ,solution,thred etc) and refilling etc complete.All as specifide and directed by Engineer- In- Charge. Note:- (i) Excavation up to 1x1x6 Mtr will be deem to incl in coted rate. More excavation will be measured and paid saperately. (ii) Pipe length will be measured and paid saperately.

All as per item No.63 here-in-before but 15 to 25 mm Bore of pipe.

M&L for DI pipe line 200 mm (certifugally cast) class 'K7' (ISI Mark) in any length with spigot and socket ends as per is 1536-2001 jointed with lead joints and laid in trenches or in any position, complete

All as per item No.65 here-in-before but 150mm dia of pipe.

All as per item No.65 here-in-before but 100mm dia of pipe.

DI fittings of size up 200 mm bends ( any radius and angle ) Tapers any type,( straight, bend , increasing,decreasing or double socket etc)Tee pieces single branch. `Y` junction , double branch cross ( all socket or socket and spigot ) collars, caps and plugs etc.as per is 9523-2000,complete all as specified NOTES : (a) DI fittings shall be of same make as of DI pipes and bear ISI stamping. (b) Excavation and earth work shall be measured and paid for separately. (c) Cost of joints and jointing materials shall be measured and paid seperatly under respective items.

Mechanical flexible (Rubber gasket) joint for 200 mm dia DI pipe complete all as specified.

Taking out existing DI/CI pipe line 200mm dia both end flanged or spigot or socket jointed incl burning of joints of lead wherever applicable complete all as directed by Engr-in-charge. Note :- Excavation and earth work measured and paid separately.

All as per Item No 70 above but of size 150 mm dia.

All as per Item No 70 above but of size 100 mm dia.

Supply & Fix testing and Commissioning of chemical dozing pump high pressure single head, adjustable dozing pump and high pressure range 0 to 100 PSI , Power 230 volts, 50 Hz, 40 Gallons per day self priming with vertical or Horizontal mounting type Make DECLIBAC model No 96NGQ51 or equavlent in Aquafit /RAMCO

Sand cushioning with clean dry sand to cables with layer of sand 8cm before laying of cable and 15cm thick after laying of cable complete all as specified. Note : For payment purpose punned thickness of 18cm shall be measured against spread thickness of 23cm as mentioned in para 19.75 of SSR part-I

Supply and laying of class B brick for under ground cable protection as directed by Engineer - in - Charge.

S&F Rubber gasket joint for 100 mm dia pipe complete all as specified

S&F Rubber gasket joint for 150 mm dia pipe complete all as specified

Construction of valve pit chamber of size 1000X1000X100MM with brick masonary in cement mortar 1:4, all internal surface to be plastered in cement mortar 1:4 and floor 100mm thick in cement concrete type D-2, 1:4:8 using 40 mm graded crushed stone aggregate, including 6.00 mm thick MS sheet cover fixed with angle iron frame 40x40x6mm thick with locking arrangement and lifting handle including two coat of anti- corrosive synthetic enamel black paint over a coat of red oxide primer to steel surfaces including necessary earth work and PCC copping in cement concrete 1:2:4 type B-1 using 20mm graded crushed stone aggregate complete all as specified

Locating blockage in existing distribution pipe line 25/40mm dia any type in position by excavation work manualy in any type of soil upto 750x500mm upto max 2Mtr length at various location. ( Maximum up to 3 location) incuding necessary cutting/threading/welding work & provision of required size of fittings such as union/socket 1no ,replacement of damaged pipeline,returning filling and removal of surplus soil complete all as specified . Note :- (i) Pipe length will be measured and paid saperately under approriate item of sch 'A' (ii) Contractor shall restore supply system within 8Hrs.

Dismantling to existing unserviceable submersible pump motor of 15HP, 3Phase, 440Volt, 50HZ and Rewinding to stator with PVC insulated copper winding wire including sleeves, thimble & minor spare parts like as bronze bushes, gland packing etc and Re-assembling to the same after motor after repair work . Complate all as specified and as directed by Engineer -in - Charge.

All as per above No 80 here in before but for Submersible motor of 12.5 HP

Supply/repair and fix for motor bearing bush (Set of five) for Submersible pump 15HP complete all as specified and as directed .

All as per above No 82 here in before but for Submersible motor of 12.5 HP

Supply/repair and fix for stainless steel shaft suitable for submersible pump 15HP complete all as specified and as directed

All as per above No 84 here in before but for Submersible motor of 12.5 HP

Supply/repairb and fix for Impeller suitable for submersible pump 15 HP complate all as specified and as directed by engineer in charge.

All as per above No 86 here in before but for Submersible motor of 12.5 HP

Supply/repair and fix for bearing bush suitable for submersible pump 15 HP complate all as specified and as directed by engineer in charge.

All as per above No 88 here in before but for Submersible motor of 12.5 HP

Dismantling to defective induction motor with centrifugal pump set of 50HP, strip opening, taking out old burnt winding wire from stator carefully, cleaning the stator slots carefully, Re-winding to stator with copper winding wire as per exiting size of wire including providing mica paper in stator slots thimbles, vanishing to winding wire and assembling to motor after repair work including testing to motor at work shop complete all as specified and as directed by Engineer - in - charge. NOTE :- Defective spare parts, bronze bushes etc shall be measured & paid separately but fixing charges shall be deemed to be included in the unit rate of this item. nothing extra shall be entertained on this account.

Supply/repair and fix ball bearing as per existing size for motor make: SSK/NBC/SKF

Supply/repair and fix ball bearing as per existing size for centrifugal pump set make: SSK/NBC/SKF

S&F in repair PVC insulated, unsheathed copper conductor cable 10Sq mm, 3Core, Suitable for submersible pump motor complete all as specified and as directed.

Disconnection and removing the unserviceable spare kit of Power contactor 3 pole, 440 volts and supply and fix new spare kit unit suitable for MNX-32 Power contactor Cat No CS94147 of Make L&T or its equivalent in Siemens/GE

All as per item No 94 here-in-above but of capacity MNX-A2 Power contactor of Make:- L&T/Siemens/GE

Supply and Fixing relay capacity of 28 to 32Amp of Make :- L&T/Siemens/GE

Supply and Fixing single phase preventer Make :- L&T/Siemens/GE

Supply and Fixing Change over switch 100Amp 3Phase, 440Volt Make :- L&T/Siemens/GE

Supply and Fixing capacitor 10KVAR, 3Phase, 440Volt Make :- L&T/Siemens/GE

Disconnection and removing the U/S Automatic star/delta starter and S & F Automatic star/delta starter in SS enclosure with relay max range 30-40 Amps, 415V/440V and 3 Nos of Power Contactors of capacity 40 Amps, Prewired with ON/OFF Buttons complete including connecting the cable all as specified and as directed. Make : L&T/Seimens/GE/CG/C&S

Disconnection and removing the U/S Automatic star/delta starter and S & F Automatic star/delta starter in SS enclosure with relay max range 18 to 25 Amps, 415V/440V and 3 Nos of Power Contactors of capacity 40 Amps, Prewired with ON/OFF Buttons complete including connecting the cable all as specified and as directed. Make : L&T/Seimens/GE/CG/C&S

Disconnection and removing the U/S Automatic star/delta starter and S & F Automatic star/delta starter in SS enclosure with relay max range 9 to 14 Amps, 415V/440V and 3 Nos of Power Contactors of capacity 40 Amps, Prewired with ON/OFF Buttons complete including connecting the cable all as specified and as directed. Make : L&T/Seimens/GE/CG/C&S

Disconnection and removing the U/S Automatic star/delta starter and S & F Automatic star/delta starter in SS enclosure with relay max range 7 to 10 Amps, 415V/440V and 3 Nos of Power Contactors of capacity 40 Amps, Prewired with ON/OFF Buttons complete including connecting the cable all as specified and as directed. Make : L&T/Seimens/GE/CG/C&S

Supply and Fixing HRC fuse for 415 volt, 63 Amp rating HF type Make L&T/Siemens/GE

Supply and Fixing Indication Lamp set of 3 for RYB & N all as specified and as directed.

M & L for Outdoor type Straight through ,jointing kit,cold shrinakable for 11KV grade UG cable 120 Sqmm 3 core Aliminium conductor complete along with jointing material all as specified and as directed by Engr in Charge

M & L for Indoor type jointing kit cold shrinakable for 240 Sqmm 3.5 Core 1100 Volts grade LT UG cable end termination with 3.5 /4 Core Aluminium conductor complete along with jointing material all as specified and as directed

Taking down of LT XLPE/ PVC UG cable 1100 V grade, 240 Sqm 3.5 core from the trenches along with cable protection covers/bricks , sand care fully complete all as directed by Engineer - in charge

All as per Item No 108 here in above but of 120 sq.mm 3.5 core

All as per Item No 108 here in above but of 95 Sqmm 3.5 Core

All as per Item No 108 here in above but of 50/35/25 Sqmm 3.5 Core

Supply & laying ,connect, test and commisioning of LT UG 240 Sqmm 3.5 Core XLPE insulated, screen, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 3.5/ 4 core, 1100 volts, grade complete all as directed by Engineer - in charge

All as per Item No 112 here in above but of 120 sq.mm 3.5 core

All as per Item No 112 here in above but of 95 Sqmm 3.5 Core

All as per Item No 112 here in above but of 50 Sq.mm 3.5 core

All as per Item No 112 here in above but of 35 Sqmm 3.5/ 4 Core

All as per Item No 112 here in above but of 25 Sqmm 3.5/ 4 Core

Supply and fix in repair LT ACB 800Amp, 4 pole, 415V with thermal magnetic release (manual fixed type) Complate all as Specified and as directed.

Supply and fix in repair CT/PT 800/05 400Amp Complate all as Specified and as directed. Make :- L&T/Siemens/ABB

M&L for earthing complete with galvanized steel earth plate eleteode 600mmX600mmX6mm thick buried drectly in ground Verticaly to a depath not less than 2.25mtr deep below normal ground level with top edge of earth plate at a depth of not less than 1.5mtr below normal ground level connected to galvanized iron strip 32mmX6mm by means of bolts, nuts, check nuts and washers made out of galvanized iron and GI earth strip protected by 40MM bore light grede GI Pipe as well as 20mm dia medium grade pipe 1.5mtr fixed with funnel and wire mesh as Specified and connected allas shown in electrical plate No 03 of SSR Part I including necessary earth work and excavation in any type of soil and PCC 1:2:4 type B-1 in chamber and 40mm thick 1:2:4 type B-1 cover slab with 6mm dia mield steel bars at 100mm center to center both way with 6mm dia MS hoks Complate all as Specified and as directed.

Supply & fix Indoor Type LT panel board outdoor type double door wall mounted made out of 3mm thick CRCA sheet Steel for load bearing and 2 mm thick for non load bearing and portions mounted on frame angle iron fo suitable size weather proof/veermin proof shutter type with locking arrangment of cubical type prewired with aluminium extendable busbar 125 Amps for 03 phases and aluminium busbar 125 Amps for neutral including suitable CTs etc and powder coated paited, agle iron frame base (90CMX75CMX30CM) with provision for fixing of MCCB's mounting arrangement shall be adjustabile type,Comprising of following complete all as specified. Make of the Panel board confirming to CPRI specifications only. (i) MCCB 125 Amps, Breaking capacity 35 KA, 4 pole -1 No (In coming) Make: legrand (ii) 4Nos Aluminium Bus bar of Capacity 125 Amps for Phase & Neutral (ii) 4Nos Aluminium Bus bar of Capacity 125 Amps for Phase & Neutral (ii) 4Nos Aluminium Bus bar of Capacity 125 Amps for Phase & Neutral (iv) LED/Neon indicator bulb in RYB Colour - 1 Set.

M&L for cleaning of underground sump water storage tank of approx 12mtr dia and depth 3.3mtr by dewatring the tank by providing suction pump, scraping internal surface of tank with wire brushes and removing all scale/dirt/deposited silt, washing internal surface of tank with solution of bleaching powder and one coat of white wash to internal surface of walls complate all as specified and as directed. NOTE:- (i) Removing of honey bee hives shall be the responsibility of the contractor. no additional charges shall be admissible on this account. (ii) Contractor shall be responsible for making all safety arrangement, dewatering pump, T&P etc.

Disconnection and removing the unserviceable Solar water tank made out of stainless steel alongwith PUF insulation of capacity 100 ltrs with electrical heating backup of 2 KW including taking down old U/S solar water tank. Make :-Kamal / BHEL / Enolar System / Solarizer

GS Engineers

Sabhyata Electrical and Mechanicals