REPAIR/ MAINT OF STP AND DISTRIBUTION SYSTEM INCLUDING PLANT ACCESSORIES INSTALLED UNDER GE CHENNAI

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth and getting out in soft/loose soil for laying cables, pipes,errection of polesetc all as specified and directed.

All asper item No.1.00 above but exceeding 1.5 m in depth and not exceeding 3.0m for pole and getting out complete all as specified and directed.

Removal excavated material (Soil) not exceeding 50m and deposited where directed at a level not exceeding 1.5m above th strating point all as specified and as directed.

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

Labour only for sand cushioning with riddled sand from excavated soil for UG cable protection in trenches, 8 cm before laying cable and 15 cm after laying and streching of cable complete all as specified.

Supply and laying well brunt brick old size class B laid dry flat for protection over the cable in trench, width equal to the length of cable complete all as specified.

Plain cement concrete 1:3:6 type C-1 using 20 mm grated stone aggregate) as in coping, including necessary form work, watering slightly rounded or chamfered angles and throating etc. all as specified and as directed.

Plain cement concrete 1:4:8 type D-2 (using 40 mm grated stone aggregate) for foundations, filling and mass concrete all as specified and as directed.

M&L for GI tube 32mm bore dia , light grade with all fitting laid in trenches/ under road fixed on wall/pole including taking down old unserviceblecomplete as cable protection all as specified and directed.

Taking down/dismantling of unserviceable LT street light poles of any description by breaking concretes and making good the distrubed surfaces complete all as specified and as directed by Engineer-in-charge.

Supply and fix Steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts & screws as specified type 410 SP-22 (8.5 metres long) Note: Earth work,PCC in foundation etc shall be measured and paid separately.

Taking out the existing PVC/XLPE, 1100 volts grade, LT UG electric cable of size10sqmm,2 core with glands, cable protection pipes, cable route indicator etc., complete from the trenches/fixed on wall (or) passing through pipes/in floor. Note:- Excavation and Earth work shall be measured and paid separately under appropriate items:-

Supply and Laying LT cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cable (heavy duty) 1100 Volts grade with stranded aluminium conductor size 10 Sqmm 2 Core all as specified and as directed by Engineer-in-Charge.

M&L for SMC/ABS weather proof, loop in loop out box of size 130mmx180mmx100mm outside dimension, out door type duly fitted on bottom of Steel poles with suitable clamp made out of 15mm x 6mm flat iron, bolts, nuts and washers etc., complete with porcelain insulated connectors for in and out going,connecting from junction box to street lights with 2 run 1.5sqmm PVC insulated unsheathed copper conductor and including 01No. MCB SP 06 Amps and testing including taking down old unserviceble all as specified and as directed. Make: Sintex /M-TEK / Indo SMC Pvt Ltd / Sethco Electricals.

Supply and fix on pole/ wall GI pipe bracket made out of 40 mm bore light grade GI pipe 1.20m long bent to shape fixed with 2 Nos MS clamps made out 25 x 3mm flat Iron including bolts, nuts and washers etc., including taking down old unserviceble bracket all as specified and as directed.

Taking out unserviceable GI pipe line of following sizes from trenches including fittings complete all as specified and as directed by Engineer-in-Charge. Note: Excavation and earthwork will be measured and paid separately under appropriate items.

150mm bore GI pipe.

100mm bore GI pipe.

80mm bore GI pipe.

50mm bore GI pipe.

40mm bore GI pipe.

25 mm bore GI pipe

20 mm bore GI pipe

Supply and lay GI tubing medium grade with screw, socket joints with all fitings / fixtures like bends, sockets, unions, nipples etc laid in trenches or floor, fixed on wall including making alterations in existing/ new pipes as required for following sizes

150 mm bore GI pipe

100 mm bore GI pipe

80 mm bore GI pipe

50 mm bore GI pipe

40 mm bore GI pipe

25 mm bore GI pipe

20 mm bore GI pipe

Taking out unserviceable DI pipeline of following sizes from trenches including fittings , rubber joints complete all as specified and as directed. Note: Excavation and earthwork will be measured and paid separately under appropriate items.

100mm bore DI pipe

150 mm bore DI pipe

Supply and laying in trenches Ductile Iron spigot and socket pipes as per IS:8329/2000 Class K7 including EPDM rubber gasket suitable for and including push on rubber gasket joint with inside cement mortar lining and outside Zinc bitumen coating complete all as specified and directed for following sizes. Make:Electrosteel/Tata /Jindal

100 mm bore DI pipe

150 mm bore DI pipe

M & L for DI/CI fittings upto 150mm dia, ISI marked, such as bends (any type, radius any angle) tapers any type (straight or bend), increasing, decreasing or double socket etc) Tee pieces single branch, double branch,cross(all sockets and socket and spigot) collars, caps and plugs tail piece confirming to IS 1538/1993 complete all as specified and directed.

Taking out unserviceable MS pipeline from making alterations in existing/ new pipes including fittings / fixtures all as specified and as directed by Engineer-in-Charge.. Note: Excavation and earthwork will be measured and paid separately under appropriate items.

100 mm bore MS pipe

80 mm bore MS pipe

65 mm bore MS pipe

40 mm bore MS pipe

25 mm bore MS pipe

Supply and fix of MS pipes heavy grade, welding any shape and length with screw, socket joints with all fitings / fixtures like bends, sockets, unions, nipples etc laid in trenches, fixed on wall or floor including making alterations in existing/ new pipes as required for following sizes:-

100 mm bore MS pipe

80 mm bore MS pipe

65 mm bore MS pipe

40 mm bore MS pipe

25 mm bore MS pipe

Supply and fix of cast iron butterfly valve as per BS-5155 standard wafer and lug type can be easliy fixed between two flanges with studs,bolts bolts,nuts,washers etc all as specified and as directed for the following sizes including taking down the existing butterfly valve of any type all as specified

100 mm dia

80 mm dia

50 mm dia

40 mm dia

25 mm dia

Supply and fix CI Non Return valve conforming to IS-5312 Part - I ,PN 1.6 ,having flanged end joints suitable size of 150 mm dia with brass seating including jointing materials such as 3mm rubber gasket 02 Nos, 10mm dia nut & bolts and washers including taking down the existing CI non return valve of any type complete all as directed

Supply and fix CI Non Return valve conforming to IS-5312 Part - I ,PN 1.6 ,having flanged end joints suitable size of 100 mm dia with brass seating including jointing materials such as 3mm rubber gasket 02 Nos, 10mm dia nut & bolts and washers including taking down the existing CI non return valve of any type complete all as directed.

Supply and fix Gun metal globe / gate valve conforming to IS 778-1984 with iron wheel head, screwed both ends for GI pipe including all fittings / fixtures like nipple, union etc complete for following sizes including taking down the existing gun metal globe/ gate valve of any type all as specified and as directed by the Engineer-in-Charge.

50 mm dia

40 mm dia

25 mm dia

20 mm dia

Supply and fix Foot valve cast iron body with fianged and leather diaphram including replacement of bolts, nuts gaskets etc all as directed for following sizes including taking down the existing foot valve of any type all as specified

100 mm dia

80 mm dia

50 mm dia

40 mm dia

Disconnecting inlet&outlet pipe and electrical connection, taking out complete elecric driven centrifugal/monoblock pump set of any make of capacity upto 3 HP , 3phase, 415v, 50Hz with suction and delivery lins of any size,shifting to civil workshop for carrying out repair/overhauling including replacement of wornout parts for smooth function and briging back after repair,refixing testing commissioning etc., complete all as specified and as directed. Note: 1. Supply only of parts and cost of rewinding shall be measured and paid under relevant item of this schedule. 2. The labour element involved in replacing of parts shall be deem to have been included in this item.

Supply only following spares for upto 3.0 HP capacity electric driven pump set

Dismantling of motor of capacity upto 3.0 HP, cutting and taking out burnt winding coils, cleaning of slots and rewinding with correct size / gauge super enamelled insulated copper wire including providing proper insulation, varnishing, drying, reasembling etc., complete all as directed.

Ball bearings (drive /non drive )

Cooling fan blade

Terminal Box.

Terminal connectors 3 phase.

Electro dynamically balanced bronze impellor

Shaft (mild steel)

Gun metal bush

Gland cup with bolts and nuts.

Water seal

Flange drilled suitable size with bolts, nuts and rubber gasket.

Air lock nozzle brass

Shaft coupling

Rotor

Dis connecting inlet&outlet pipe and electrical connection,taking out complete elecric driven centrifugal/monoblock pump set of any make of capacity 5HP/7.5HP, 3phase, 415v, 50Hz with suction and delivery lins of any size,shifting to civil workshop for carrying out repair/overhauling including replacement of wornout parts for smooth function and briging back after repair,refixing testing commissioning etc., complete all as specified and as directed. Note: 1. Supply only of parts and cost of rewinding shall be measured and paid under relevant item of this schedule. 2. The labour element involved in replacing of parts shall be deem to have been included in this item.

Supply only following spares for 5.0/ 7.5 HP capacity electric driven pump set:-

Dismantling of motor of capacity 5.0/7.5 HP, cutting and taking out burnt winding coils, cleaning of slots and rewinding with correct size / gauge super enamelled insulated copper wire including providing proper insulation, varnishing, drying, reassembling etc., complete

Ball bearings (drive /non drive )

Cooling fan blade

Terminal Box.

Terminal connectors 3 phase.

Electro dynamically balanced bronze impellor

Shaft (mild steel)

Gun metal bush

Gland cup/sleeve with bolts and nuts.

Water seal

Flange drilled suitable size with bolts, nuts and rubber gasket.

Air lock nozzle brass

Shaft coupling

Rotor

Dis connecting inlet&outlet pipe and electrical connection,taking out complete elecric driven centrifugal/monoblock pump set of any make of capacity 10HP, 3phase, 415v, 50Hz with suction and delivery lins of any size,shifting to civil workshop for carrying out repair/overhauling including replacement of wornout parts for smooth function and briging back after repair,refixing testing commissioning etc., complete all as specified and as directed. Note: 1. Supply only of parts and cost of rewinding shall be measured and paid under relevant item of this schedule. 2. The labour element involved in replacing of parts shall be deem to have been included in this item.

Supply only following spares for 10 HP capacity electric driven pump set:-

Dismantling of motor of capacity 10.0 HP, cutting and taking out burnt winding coils, cleaning of slots and rewinding with correct size / gauge super enamelled insulated copper wire including providing proper insulation, varnishing, drying, reassembling etc., complete

Ball bearings (drive /non drive )

Cooling fan blade

Terminal Box.

Terminal connectors 3 phase.

Electro dynamically balanced bronze impellor

Shaft( mild steel)

Gland sleeve

Water seal

Air lock nozzle brass

Shaft coupling

Dis connecting inlet&outlet pipe and electrical connection,taking out complete elecric driven centrifugal/monoblock pump set of any make of capacity 15HP, 3phase, 415v, 50Hz with suction and delivery lins of any size,shifting to civil workshop for carrying out repair/overhauling including replacement of wornout parts for smooth function and briging back after repair,refixing testing commissioning etc., complete all as specified and as directed. Note: 1. Supply only of parts and cost of rewinding shall be measured and paid under relevant item of this schedule. 2. The labour element involved in replacing of parts shall be deem to have been included in this item.

Supply only following spares for 15 HP capacity electric driven pump set:-

Dismantling of motor of capacity 15.0 HP, cutting and taking out burnt winding coils, cleaning of slots and rewinding with correct size / gauge super enamelled insulated copper wire including providing proper insulation, varnishing, drying, reassembling etc., complete

Ball bearings (drive /non drive )

Cooling fan blade

Terminal Box.

Terminal connectors 3 phase.

Electro dynamically balanced bronze impellor

Shaft( mild steel)

Gland sleeve

Water seal

Air lock nozzle brass

Shaft coupling

Taking up unserviceable centrifugal non clog submerciable sewage pump set 5.0 HP from sewage sump by bail out the water, disconnectin ,declamping , transport to authorised work shop and re-installation in the sump,testing complete including replacement of Gasket,cable protector kit,terminal block with terminal plate,'O' rings,seal monitors,safety rings,cable end cap,Painting as required and service charges complete all as directed. (Make:- KSB ). Note: (i) Replacement of Winding,insulating oil, bearings,Seal, Sensor,Shaft etc., shall be measured and paid separately under relevant items of this schedule. (ii). The labour element involved in replacing of parts shall be deem to have been included in this item.

Supply only the following parts of centrifugal non clog submerciable sewage pump set 5.0 HP capacity :-

Winding with new copper wire of appropriate size including removing old burnt copper wire

Bearing (Top,bottom & RR)

Mechanical seal lower and upper

Temperature Sensor

Moisture sensor

Rotor Shaft

Insulating oil as per manufacturer recommended grade

Repairing centrifugal non clog sewage pump set by replacing of the relevant parts including packing, refixing and testing of motor of capacity 1.0/2.0 HP complete etc., all as specified and directed. Note: 1.Spare parts/ accessories like shaft, rubber flap, bearings, gland packing, rubber packing and sleeve etc., shall be measured and paid separately under relevant items of this schedule. 2. The labour element involved in replacing of parts shall be deem to have been included in this item.

Supply only the following parts of 1.0/2.0 HP capacity centrifugal non clog sewage pump set

Winding with new copper wire of appropriate size including removing old burnt copper wire

Shaft

Rubber flap

Ball bearing

Gland packing

Rubber packing

Sleeve

Electro dynamically balanced bronze impellor

Repair and servicing of air blower twin type capacity 50m3/hr head, 0.3 Kg/m2 including servicing the equipment complete by replacing worn out parts,bushes, gaskets and filling of oil all as specified and as directed. . Note: 1. Supply only spares will be measured and paid separately under relevant items of this schedule. 2. The labour element involved in replacing of parts shall be deem to have been included in this item..

Supply of following parts for air blower:-

Impeller

Motor bearing

Air compressor oil, recommended grade. Make: Servo/Castrol/HP

Repair and servicing of the equipment complete by replacing worn out spares complete for hypo chlorine solution dosing pump electronic metering type capacity 0-12 LPH, head 20 meter all as specified and as directed. Note: Supply only spares shall be measured and paid separately under relevant items items of this schedule. 2. The labour element involved in replacing of parts shall be deem to have been included in this item..

Supply of following parts for chlorine solution dosing pump:-

Dosing pump low level switch

PVC foot valve

Dosing pump PVC non return valve

Repair and servicing o the equipment complete by replacing worn out parts of sludge filter press machine for dewatering sludge from the SBR reactor through the sludge valve, plate and frame type all as specified and as directed. Note: Supply only spares shall be measured and paid separately under relevant items items of this schedule. 2. The labour element involved in replacing of parts shall be deem to have been included in this item.

Supply of followingparts for sludge fiter press machine:-

Center feed pipe assembly

Filter press cloths

Gaskets

Repair and changing of filter media and supply of all spares and accessories complete for multi grade sand filter with multi port valve, type down flow,Multigrade filter, diameter 1200mmxHOS 1500mm, inlet & outlet size 80mm, media gravel and sand, pressure gauge 02 Nos inlet and outlet all as specified and as directed.

Repair and supply of all spares and accessories complete for vertical self supporting Activated carbon filter diameter 1500mmxHOS 2000mm, inlet & outlet size 80mm, distribution system header and lateral, media activated carbon of 1000 iodine value, MPV valve all as specified and as directed.

Repair and servicing the equipment complete by replacing worn out spares of Diffused aeration system with external control with valve with individual downcomer Cap 7.5-12 m3/hr, max pressure 0.6 Kg/cm2, fine bubble membrane diffuser, SS 304 pipeline submerged MS class B including supply and fixing of all spares including all necessary piping, valves,air diffuser, air distribution grid and decanter all as specified and as directed.

Cleaning of Bar screen chamber 4.275 Cum capacity having one compartment by specialized water tank clean process as under and writing the details like 'Cleaned ON ',"sump capacity" with white enameled paint over black painted surface on sump (02 Nos,) all as directed .

Dewatering using submerssible pump/bailing out of water to dispose the minimum level of dirty water from the tank

Cleaning the tank bottom, walls and ceiling using high pressure water jet to dislodge the algae calcinations, dirt etc.

Disposing the dirt water sludge etc., using specially desinged sludge removal pump.

Cleaning the tank inside thoroughly by using industrial grade vacuum pump to make the tank inside free from dirt, algea and sludge etc.

Treating the inside walls, bottom, ceiling of tank including all nooks and corners by using and spraying anti bacterial agent such as Hydrogen peroxide (bio degradable) for disinfection of tank inside

Total disinfection and sterilisation of tank hygienically cleaned and bacteria free and safe for storage of water

All as per item No.42 here in before but SBR tank 137.5 Cum capacity(01 No) and 20 Cu m (01 No)

All as per item No.42 here in before but chlorine contact tank 84 Cum capacity (01 No) and 12 Cu m (01 No)

All as per item No.42 here in before but treated water tank 67.2 Cum capacity (01 No) and 20 Cum (01 No)

Supply only sodium hypochloride solution with active chlorine content 6gm / ltr conforming to IS 11673 in 35 ltrs capacity container all as specified and as directed.

Supply only high strength calcium based granular chlorination chemical(Grade I) (Packing in 45 KG)of following specifictons:- (a) Description- Whitish granules (b) Garnular Size(Mesh passing through-100BSS): 1.1(+0.1)% (c) Other insoluble calcium salts: 1.1(+0.1)%. (d) Requirement must be 140-200gms per one lac liter of water to achive 1PPM at injection point all as specified and as directed.

Supply only bleaching powder suitable grade conforming to IS specification No 1065/1989 with minimum available chlorine percentage of mass 33.5% and slab percentage Nil all as specified and as directed.

Supply and fix DOL starter 3 phase 440 volts with relay range upto 16 amps including taking down old unserviceable DOL starterall as specified and as directed. Make: L&T/Minilec/Siemens.

Supply and fix star delta starter with single phase protection and relay range from 13-32 amps 3 phase 440 volts including taking down old unserviceable starter all as specified and as directed. Make: L&T/Minilec/Siemens.

S&F Contactor for Star Delta starter 440 volts, 50 Hz, 16 Amps to 32 Amps , 3 phase, AC, induction motor including taking down existing unserviceable all as specified and directed. Make: L&T/Seimans/ABB.

S&F in repair single phase preventer including taking down existing unserviceable all as specified and directed . Make: L&T/Minilec/Siemens.

Supply and fix electronic overload relay suitable for 5 to 15HP submersible pump including taking down existing unserviceable all as specified and directed . Make: L&T /Seimans/ABB.

M&L for replacement of chemical dosing pumps, single phase 230 volts, 50Hz with connecting wire,PVC tubes for plant to pumping the solution complete all as specified and directed

Supply and repalcement FRP chemical dosing storage tanks 150 litres capacity pressure upto 10Kg/sqcm suitable to fix the existing dosing pumps all as directed.

Surface dressing not exceeding 15 cm deep and getting out in soft/loose soil (grass or brush cutting) including cutting of grass vegetation around pump house and removing excavated material(soil) and rubbish to out side MD land all as specified and as directed.

Material and labour for structural steel work as in base plate for pumpsets with nut bolts washers welding and necessary fabrication work in any situation valve chamber covers and similar items etc as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint including taking down the existing unserviceable items complete all as specified and directed.

S&F 20 Watt LED light fittings,basic all purpose, surface and wall mounted LED batten with poly carbonate housing and integrated electronic driver complete . Make : Havells (cat No.- LUMILINENXTBS20WLED 865SPCWH or Equivalent from Philips/Wipro.

S&F 70 Watt LED Street light luminaire madeup of pressure die-cast aluminium housing, IP-66 with high powered LEDs as light source and electronic driver. complete fixed on pole/wall including pipe bracket,bolt nuts etc complete. Make : Havells (cat No.- ENDURASUNDOWNSL 70WLED765PASYBOTG or Equivalent from Philips/Wipro.

Preparation of old painted surface and cleaning the surface throughly and applying two coats of synthetic metalic grey enamel paints with spray gun and writing the SM/MES No complete all as specified and directed, for electric driven centrifgual pump and motor set of capacities upto 15 HP of any make and including suction and delivery pipes all as specified and as directed.

Material and labour for earthing complete with GI plate electrode 600x600x6mm thick, buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of plate not less than 1.5m below ground level connected to GI earth wire of size 4.0 mm by means of bolts, nuts, washers of galvanized all as shown in electrical plate No.3 of SSR Part-I including necessary excavation and earth work. PCC 1:3:6 type C1 chamber, RCC cover in 50mm thick 1:2:4 type B1 with 8mm CTD 100mm centre to centre with suitable handle, watering pipe 20mm dia medium grade pipe with funnel, and 15mm dia light grade GI pipe as protection pipe,charcoal salt etc,connected to earth steet light pole all as specified including testing and commissioning on completion.

SJM CONSTRUCTIONS