Preventive maint and servicing of E/M Equipments of STP at Old Cantt and Fort Cantt Prayagraj.

Amount

Taking out by raising or Lowering of non-clog sewage submersible pump set of 01 HP of Make : KIRLOSKAR with the help of chain pully block from sewage sump after disconnecting electric and sewage coupling connections, dismantling pump and motor and carrying out for repair / replecement of defective parts, cleaning of impeller and volute casing, clogged discharge line. Reassembling, painting the pump set and re-installation by lowering into sewage sump connecting up complete and testing all running parameters all as directed by Engineer-in-Charge. (Replacement of defective parts and Dewatering will be paid saperately under respective Item of BOQ. ) Note : Contractor has to make necessary arrangement for pumping of sewage effluents from sump well as long as pump remains under repair / rewinding by fitting his own pump including other T&P etc will be brought by contractor.

M & L for Re-winding of three phase, 415 Volt electric motor of capacity 01 HP of non-clog submersible pumps of Make : KIRLOSKAR after dismantling the stator and rotor, removing burnt windings, cleaning the slots, rewinding the motor with super enamelled quality hermatic grade copper winding wire of proper gauge and suitable number of turns as per the existing windings, (Class 'F' insulation including Dr. back ELMO-50 Varnish, pre-heating to remove moisture and vaccum pressure impregnated for air bubble free varnishing, with slot liners & seperators, fibre-glass sleeves, baking to 150ºC for 12 hrs in special baking oven to suit the motor for IP-68 protection) of the 01 HP motor reassembling and testing all as directed by Engineer-in-Charge. Note : Contractor has to make arrangement for pumping of sewage effluents from sump well as long as pump remains under repair / rewinding by fitting his own pump including other T&P etc. all T&P will be brought by contractor nothing shall be issued by deptt.

Replacement of following parts for making the pump 01 HP Make- KIRLOSKAR in fully serviceable condition during the process of repair, as per existing size:-

Pump Chamber

Setting plate (clearance adjustment plate)

Impellers (Cast Iron IS: 210 with 1.5 to 2% Ni)

Mechanical seal (out side) lower

Mechanical seal (in side) upper

O' ring set

Ball bearing lower

Ball bearing upper

Key for shaft

Cable seal

Cable gromate

Moisture sensor

Thermister (Top)

Auto coupling gasket

Oil (IOC OIL-12)

Auto coupling sliding bracket

Taking out by raising / Lowering of non clog sewage submersible pump set of 03HP/05 HP of Make : AQUA / KIRLOSKAR with the help of chain pully block from sewage sump after disconnecting electric & sewage coupling connections, dismantling pump and motor and carrying out repairs / replecement of defective parts, cleaning of Impeller and volute casing, clogged discharge line. Reassembling, painting the pump set and re-installation by lowering into sewage sump connecting up complete and testing all running parameters complete as directed by Engineer-in-Charge. (Replacement of defective parts and Dewatering will be paid saperately under respective Item of BOQ_) Note : Contractor has to make arrangement for pumping of sewage effluents from sump well as long as pump remains under repair / rewinding by fitting his own pump including other T&P etc. all T&P will be brought by contractor nothing shall be issued by dept.

M & L for Re-winding of three phase, 415Volt electric motor of capacity 03 HP of non clog submersible pumps Make : AQUA / KIRLOSKAR after dismantling the startor and rotor, removing burnt windings, cleaning the slots, rewinding the motor with super enamelled quality hermatic grade copper winding wire of proper gauge and number of turns as per the existing windings, (Class 'F' insulation including Dr. back ELMO-50 Varnish, pre-heating to remove moisture and vaccum pressure impregnated for air bubble free varnishing, with slot liners & seperators, fibre-glass sleeves, baking to 150ºC for 12 hrs in special baking oven to suit the motor for IP-68 protection) of the 03 HP motor reassembling and testing all as directed by Engineer-in-Charge. Note : Contractor has to make arrangement for pumping of sewage effluents from sump well as long as pump remains under reair / rewinding by fitting his own pump including other T&P etc. all T&P will be brought by contractor nothing shall be issued by dept.

All as per item No 21 above but for 5 HP non clog submersible pump

Replacement of following parts for making the pump 03 HP Make- AQUA in fully serviceable condition during the process of repair, as per existing Size:-

Pump Chamber

Setting plate (clearance adjustment plate)

Impellers (Cast Iron IS: 210 with 1.5 to 2% Ni)

Mechanical seal (out side) lower

Mechanical seal (in side) upper

O' ring set

Ball bearing lower

Ball bearing upper

Key for shaft

Cable seal

Cable gromate

Moisture sensor

Thermister (Top)

Auto coupling gasket

Oil (IOC OIL-12)

Auto coupling sliding bracket

Replacement of following parts for making the pump 05 HP Make- KIRLOSKAR in fully serviceable condition during the process of repair, as per existing size:-

Pump Chamber

Setting plate (clearance adjustment plate)

Impellers (Cast Iron IS: 210 with 1.5 to 2% Ni)

Mechanical seal (out side) lower

Mechanical seal (in side) upper

O' ring set

Ball bearing lower

Ball bearing upper

Key for shaft

Cable seal

Cable gromate

Moisture sensor

Thermister (Top)

Auto coupling gasket

Oil (IOC OIL-12)

Auto coupling sliding bracket

Taking out by raising / lowering of non clog sewage submersible pump set of Make : KIRLOSKAR 10 HP, 3 phase, 415 Volt, AC supply, 50 Hz with help of chain pully block from sewage sump well of STP after disconnecting electrical and mechanical connection, dismantling pump and motor and carrying out repairs / replecement of defective parts, cleaning of impeller and volute casing, clogged discharge line. Re-assembling the pump set and re-installation by lowering into sewage sump connecting up complete and testing all running parameters all as directed by Engineer-in-Charge. (Replacement of defective parts and Dewatering will be paid saperately under respective Item of BOQ_) Note : Contractor has to make arrngement for pumping of sewage effluents from sump well as long as pump remains under repair/rewinding by fitting his own pump including other T&P etc. all T&P will be brought by contractor nothing shall be issued by dept.

M & L for Rewinding the electric motor of NS type non clog submersible sewge pump 3 phase, 415Volt, Capacity 10 HP of Make : Kirloskar, after dismantling the startor and rotor, removing burnt windings, cleaning the slots, stampings and rewinding with super enamelled quality hermatic grade copper winding wire of proper gauge and number of turns as per the existing windings, including numex paper, glass paper, thimble, glass sleeve, main lead, backtoll, Varnishing and drying in oven, including fitment of thermostat protection relay, painting including required nut bolts (stainless steel) reassembling and testing to ensure leak tightness of the joints. Note : Contractor has to make arrngement for pumping of sewage effluents from sump well as long as pump remains under repair / rewinding by fitting his own pump including other T&P etc. all T&P will be brought by contractor nothing shall be issued by dept.

Supply & Fixing in replacement following items in replacement for making the functional of non clog submersible pump set of Make :- Kirloskar / KSB of 10 HP capacity in fully serviceable condition during the process of repair as per existing size complete.

M & L for Lubricant oil up to the level for lubricating mechanical seals of Make : IOC-Servo system-317 or HPCL-Enklo-57

M & L for Lubricant grease as required for lubricating antifriction ball bearings of Make : IOC Servogem-2 or HPCL-Lithon-2.

Enclosed Impeller

Mech Seal (in board) Sic Vs Sic size-40mm

Mech Seal (in board) Sic Vs Sic size-55mm

Mech Seal (out board) Carbon Vs St. St size-40mm

Mech Seal (out board) Carbon Vs St. St size-55mm

Ball Bearing (Lower) SKF 6309-2RS1 or equivalent

Ball Bearing (Lower) SKF 7312 BG

Ball Bearing (Upper) SKF 6306-2RS1 or equivalent.

Key for Impeller

O' ring set for Cap-10 HP sewage pump

Screw for Impeller

Washer for Cable Seal for Power Cable

Washer for Cable Seal for Control Cable

Cable Gland

Terminal Board

Power copper cable 8 Core (4 X 4 Sq mm + 4 X 1.5 Sq mm)

Power copper cable 8 Core X 2.5Sq mm)

Control copper cable 1100Volt grade submersible type EBXL 10 Sqmm 3 core

Control copper cable 1100Volt grade submersible type EBXL 4 Sqmm 3 core

Cable Seal

Cable Seal for Power Cable

Cable seal for Control Cable

Moisture Sensor

Rubber diaphragm cap- 10 HP

Guide Shoe Cap-10 HP

M & L for Control copper cable 1100Volt grade submersible type EBXL 10 Sqmm 3 core

M & L for Control copper cable 1100Volt grade submersible type EBXL 4 Sqmm 3 core

Transportation of monoblock pump set of capacity 0.5 HP / 1 HP AC 3 phase, 415 Volt from STPs at any location / Yard in old Cantt area Allahabad to contractor's workshop, dismantling for carrying out necessary repairs / renewal of parts of pump and refixing the same after repairs including testing complete all as specified as directed by Engineer-in-Charge.

M & L for Cutting, opening of winding, re-winding of monoblock pump set of any make and rewinding with same size & number of coils with super enamelled copper winding wire, varnishing, packing and reassembling of same complete

Supply & Fixing in replacement following items for making functional of the monoblock pump set of capacity 0.5 HP / 1 HP AC 3 phase, 415 Volt in fully serviceable condition during the process of repair as per existing (for item No. 93 to 105).

Repairing of pump by re-threading of worn out studs holes and Supply & Fixing over size studs with nut and washer for balancing and repairing of pump shaft.

Water seal and packing complete

Driven end bearing of pump shaft

Non driven end bearing of pump shaft

Cooling fan

Cooling fan cover

Cast iron Impeller

Connection plate

Sleeve in Pump's cover and making size equal to outer dia size of bearing in back cover.

Remetaling of Pump shaft, turning for bring it to Internal dia size of bearing in to front end cover.

Remetaling of Pump shaft, turning for bring it to Internal dia size of bearing in rear end cover.

Neck ring

Centrifugal switch

Capacitor of 4/6 mfd capacity

Removing of Monoblock pump set from it's existing position and re-fixing of repaired pump set including Supply & Fixing worn out nuts & bolts and making necessary electric connection complete all as specified & directed.

M & L for Painting to pump set externally complete with synthetic enamel smoke grey paint with spray machine after preparation of surfaces complete all as specified & directed.

Transportation of monoblock pump set of capacity 2 HP / 3 HP AC 3 phase, 415 Volt from STPs at any location / Yard in old Cantt area Allahabad to contractor's workshop, dismantling for carrying out necessary repairs / renewal of parts of pump and refixing the same after repairs including testing complete all as specified as directed by Engineer-in-Charge.

M & L for Cutting, opening of winding, re-winding of monoblock pump set of any make and rewinding with same size & number of coils with super enamelled copper winding wire, varnishing, packing and reassembling of same complete

Supply & Fixing in replacement following items for making functional of the monoblock pump set of capacity 2 HP / 3 HP AC 3 phase, 415 Volt in fully serviceable condition during the process of repair as per existing (for item No. 112 to 124).

Repairing of pump by re-threading of worn out studs holes and Supply & Fixing over size studs with nut and washer for balancing and repairing of pump shaft.

Water seal and packing complete

Driven end bearing of pump shaft

Non driven end bearing of pump shaft

Cooling fan

Cooling fan cover

Cast iron Impeller

Connection plate

Sleeve in Pump's cover and making size equal to outer dia size of bearing in back cover

Remetaling of Pump shaft, turning for bring it to Internal dia size of bearing in to front end cover

Remetaling of Pump shaft, turning for bring it to Internal dia size of bearing in rear end cover

Neck ring

Centrifugal switch

Capacitor of 10 mfd capacity

Removing of Monoblock pump set from it's existing position and re-fixing of repaired pump set including Supply & Fixing worn out nuts & bolts and making necessary electric connection complete all as specified & directed.

M & L for Painting to pump set externally complete with synthetic enamel smoke grey paint with spray machine after preparation of surfaces complete all as specified & directed.

Materail & Labour for taking out / Dismantling of Air blower pump set of rating 3 phase 440 Volt supply of capacity up to 20 HP / 25 HP from STP plant at any location and transporting the same to the authorised workshop for repair and transporting back to the site and making connection and testing complete all as specified & directed by the Engineer-in-Charge. Note : Parts renewed shall be measured & paid separately under respective item of BOQ

M & L for Cutting out the existing winding of the motor, taking out damage / burnt winding wire from startor, cleaning the slot and re-winding the same with supper enamelled copper winding wire of appropriate size including insulating material such as varnishing, paking and furnishing with the insulating sleeve and making connection complete all as specified & directed by Engineer-in-Charge.

Repairing of pump by re-threading of worn out studs holes and Supply & Fixing over size studs with nut and washer for balancing and repairing of pump shaft.

Repairing of pump shaft by depositing metal on it by brazing, grinding and polishing to make appropriate size of the shaft complete as specified & as directed by the Engineer-in-Charge.

Gun metal / Stainless steel bush of pump shaft of required size complete all as specified & as directed by the Engineer-in-Charge.

M & L for Driven end bearing of blower shaft complete all as specified and as directed by the Engineer-in-Charge.

M & L for Non-driven end bearing of blower shaft complete all as specified and as directed by the Engineer-in-Charge.

M & L for Gland packing complete all directed by the Engineer-in-Charge.

M & L for Coupling with studs between motor & air blower complete as directed by the Engineer-in-Charge.

M & L for replacement Suction air filter complete as directed by the Engineer-in-Charge.

Suction silencer complete as directed by the Engineer-in-Charge.

Neck ring complete all as specified & directed by the Engineer-in-Charge.

M & L for Ball bearing of motor shaft complete as specified & directed by the Engineer-in-Charge.

Replacment of air blower pully as per sample or suiatable at site complete as specified & as directed by the Engineer-in-Charge.

Strip opening of air blower & cleaning of air filter and silencer as per manufacurer Instruction complete as directed by the Engineer-in-Charge.

M & L for Draining of used oil from air blower & supply and filling of new oil in air blower up to reuired level complete all as specified & as directed by the Engineer-in-Charge.

M & L for replacement Fan belt suitable for Air Compressor 500Cum per Hours including connection complete as directed by Engineer-in-Charge

Pressure Gauge (Water) range 0-4.20 Kg/Sqcm complete as directed by Engineer-in-Charge.

Cuttting of grass and vegitation shrubs and removing the same at site around the sewage treatment plant area at different location at Old Cantt Allahabad Cantt at interval of three month complete as directed by the Engineer-In-Charge. Note : Each cutting will be measured separately.

Provision for Bactroligical test & sample collection from various STP plants in sterilized bottle and testing shall be done from Govt Lab / Approved by UP Pollution Control Board, on monthly basis as per the Environment (Protection) Rules-1986, in Schedule-I, in permissible standards in sewage treated water for inland surface water i.e. (a) Suspended solids Max < 50 mg/litres (b) PH value (6.5 PH to 9.0 PH) (c) Biochemical Oxygen Demand (BOD) (5 day at 20 deg celcius) Max > 30 (d) COD (Chemical Oxygen Demand) up to 250 mg/l (e) Focal Coliform (FC) Most Probable Number per 100 millimeter (MPN/100 ml) < 1000

De-sludging of existing sewage collection well of size 6 Mtr dia and 10 Mtr depth and getting out sludge through sucking super soucer machine and depositing to a distance exceeding 1.5 KM but not exc 2 KM out side MD land at isolated places (Location -STP Saraswati Vihar). Note : Pumping out sludge water from sewage collection tank by using Diesel Engine driven pumps and necessary diesel is to be arranged / provided by Contractor

De-sludging of existing sewage collection well of size 4.5 Mtr dia and 10 Mtr depth and getting out sludge through sucking super soucer machine and depositing to a distance exceeding 1.5 KM but not exc 2 KM out side MD land at isolated places (Location -STP Saraswati Vihar Boosting Station). Note : Pumping out sludge water from sewage collection tank by using Diesel Engine driven pumps and necessary diesel is to be arranged / provided by Contractor

De-sludging / cleaning of existing sludge drying bed of size (6.40 X 6.40 Mtrs) and depth 0.8 M by any means i.e. manually or by mechanical appliances complete by removing the sludge / vegetation and depositing sludge at abandoned places in the Cantt area and deposited the same where directed by Engineer-in-Charge including supply and spreading of sand up to 150 mm thick on top of filter bed complete as specified & directed by Engineer-in-Charge. (Location-STP Saraswati Vihar)

De-sludging / de-watering of existing equalizer tank of Sewage Treatment Plant of size 8 Mtr dia x 5 Mtr depth not exceeding 5 Mtr) by any means i.e. mechanical appliaces complete including working under foul condition and depositing of solid waste (silt) in any proportion and silted soil from the existing equalizer tank and removing the slude to a distance not exceeding 2 KM in a sealed container out side of MD land and depositing the same where directed by Engineer-in-Charge including one coat of cement base paint on old plastered surface after preparation of surface complete all as specified & directed. (Location :- STP Saraswati Vihar). Note : Pumping out sludge water from equalizer tank by using Diesel Engine Operated pump and necessary Diesel is to be arranged by Contractor and included in unit quoted rates and not any claim entertained.

De-sludging / de-watering of existing flow-culator tank of Sewage Treatment Plant of Size 3 Mtr x 3 Mtr and depth not exceeding 5 Mtr by any means i.e. mechanical appliaces complete including working under foul condition and depositing of solid waste (silt) in any proportion and silted soil from the existing flow-culator tank and removing the slude to a distance not exceeding 2 KM in a sealed container out side of MD land and depositing the same where directed by Engineer-in-Charge including one coat of cement base paint on old plastered surface after preparation of surface complete all as specified & directed. (Location :- STP Saraswati Vihar). Note : Pumping out sludge water from Flowculator tank by using Diesel Engine Operated pump and necessary Diesel is to be arranged by Contractor and included in unit quoted rates and not any claim entertained.

De-sludging / de-watering of existing tube settler tank of sewage treatment plant of size 4 Mtr x 4 Mtr and depth not exceeding 5 Mtr by any means i.e. mechanical appliaces and through sucking super socker machine complete including working under foul condition and depositing of solid waste (silt) in any proportion and silted soil from the existing tube settler tank and removing the slude to a distance not exceeding 2 KM in a sealed container out side of MD land and depositing the same where directed by Engineer-in-Charge including straining PVC media and cleaning with clean water and re-use for proper functioning complete including one coat of cement base paint on old plastered surface after preparation of surface complete all as specified & directed. (Location :- STP Saraswati Vihar). Note : Pumping out sludge water from Flowculator tank by using Diesel Engine Operated pump and necessary Diesel is to be arranged by Contractor and included in unit quoted rates and not any claim entertained.

De-sludging / de-watering of existing chlorine contact tank of sewage treatment plant of size 3.5 Mtr dia and depth not exceeding 5 Mtr and getting out through sucking super shocker machine and removing the sludge to a distance not exceeding 2 KM in a sealed container out side of MD land and depositing the same where directed by Engineer-in-Charge including straining PVC media and cleaning with clean water and re-use for proper functioning complete including one coat of cement base paint on old plastered surface after preparation of surface complete all as specified & directed. (Location :- STP Saraswati Vihar). Note : Pumping out sludge water from tube settler tank by using Diesel Engine Operated pump and necessary Diesel is to be arranged by Contractor and included in unit quoted rates and not any claim entertained.

De-sludging / de-watering of existing TWT tank of sewage treatment plant of size 3.5 Mtr dia and depth not exceeding 5 Mtr) and getting out through sucking super shocker machine and removing the sludge to a distance exceeding 1.5 KM but not excedding 2 KM in a sealed container out side of MD land and depositing the same where directed by Engineer-in-Charge including straining PVC media and cleaning with clean water and re-use for proper functioning complete including one coat of cement base paint on old plastered surface after preparation of surface complete all as specified & directed. (Location :- STP Saraswati Vihar). Note : Pumping out sludge water from tube settler tank by using Diesel Engine Operated pump and necessary Diesel is to be arranged by Contractor and included in unit quoted rates and not any claim entertained.

De-sludging / de-watering of existing MBBR tank of sewage treatment plant of size 4.5 Mtr dia and depth not exceeding 5 Mtr by means i. e. mechanical appliances complete including working under foul condition and depositing of solid waste and getting out through sucking super shocker machine and removing the sludge to a distance exceeding 1.5 KM but not excedding 2 KM in a sealed container out side of MD land and depositing the same where directed by Engineer-in-Charge including straining PVC media and cleaning with clean water and re-use for proper functioning complete including one coat of cement base paint on old plastered surface after preparation of surface complete all as specified & directed. (Location :- STP Saraswati Vihar). Note : Pumping out sludge water from tube settler tank by using Diesel Engine Operated pump and necessary Diesel is to be arranged by Contractor and included in unit quoted rates and not any claim entertained.

M & L for Floating media for MBBR reactors in MBBR tank as per Sample suitable for sewage treatment, having density less than water including removing deformed and worn out filter media complete as directed by Engineer-in-Charge.

M & L PVC tube suttler of size 580 mm x 140 mm in tube settler tank including taking down old unserviceable PVC tube settler complete all as specified & directed by Engineer-in-Charge.

De-sludging of existing sewage collecting well of size 4.50m x 3.80m depth 6 mtr and getting out sludge through sucking super shocker machine and depositing to a distance exceeding 1.5 KM but not exceeding 2 KM out side MD land at isolated place as directed by Engineer-in-Charge. (Location -STP Triveni Vihar) Note : Pumping out sludge water from sewage collection well / tank by using Diesel Engine Operated pump and necessary diesel is to be arranged by contractor and included in unit quoted rates and not any claim entertained.

De-sludging / cleaning of existing sludge drying beds of size 4.4 m x 4.4 m depth 0.8 m by any means i.e. manually or by mechanical appliances complete by removing the sludge / vegitation and disposing sludge at abandoned places inside cantt area complete all as specified & as directed by Engineer-in-Charge including supply and spreading of sand up to 150 mm thick on top of filter bed complete.(Location - STP Triveni Vihar)

De-sludging / de-watering of existing equalizer tank of sewage treatment plant of size 4.5 m x 2.30 m depth not exceeding 10.0 m by any means i.e. mechanical appliaces complete including working under foul condition and depositing of solid waste (silt) in any proportion and silted soil from the existing equalizer tank and removing the sludge to a distance not exceeding 2.0 KM in a sealed container out side of MD land and depositing the same where directed by Engineer-in-Charge including one coat of cement base paint on old plastered surface after preparation of surface complete all as specified & directed. (Location :- STP Triveni Vihar). Note : Pumping out sludge water from equalizer tank by using Diesel Engine Operated pump and necessary Diesel is to be arranged by Contractor and included in unit quoted rates and not any claim entertained.

De-sludging / De-watering of existing FAB reactor tank of sewage treatment of size 1.90 m x 3.40 m depth not exceeding 5 Mtr by means of meachanical appliances or through sucking super shocker machine complete including working under foul condition and depositing of solid waste (silt) in any proportion and silted soil from the existing settler tank and removing the sludge to a distance not exceeding 2 KM in a sealed container out side of MD land and deposited the same where directedby Engineer-in-Charge including replaced PVC (approximately -15 Kg) and tube settler (Approximately -250 Nos) as per existing size for proper functioning complete including one coat of cement base paint on old plastered surface after preparation of surfaces complete all as specified & directed. (Location - STP Triveni Vihar) Note : Pumping out sludge water from FAB reactors tank by using Diesel Engine Operated pump and necessary Diesel is to be arranged by Contractor and included in unit quoted rates and not any claim entertained.

De-sludging / de-watering of existing tube settler tank of sewage treatment plant of size 1.90 m x 3.40 m depth not exceeding 5 Mtr by any means i.e. mechanical appliaces or through sucking super socker machine complete including working under foul condition and depositing of solid waste (silt) in any proportion and silted soil from the existing tube settler tank and removing the slude to a distance not exceeding 2 KM in a sealed container out side of MD land and depositing the same where directed by Engineer-in-Charge including straining PVC media and cleaning with clean water and re-use for proper functioning complete including one coat of cement base paint on old plastered surface after preparation of surface complete all as specified & directed. (Location :- STP Triveni Vihar). Note : Pumping out sludge water from tube settler tank by using Diesel Engine Operated pump and necessary Diesel is to be arranged by Contractor and included in unit quoted rates and not any claim entertained.

De-sludging / de-watering of existing Chlorine contact tank, filter feed tank & storage tank of sewage treatment plant of size 1.0 m x 3.0 m depth not exceeding 2.0 Mtr and getting out through sucking super shocker machine and removing the sludge to a distance not exceeding 2 KM in a sealed container out side of MD land and depositing the same where directed by Engineer-in-Charge including straining PVC media and cleaning with clean water and re-use for proper functioning complete including one coat of cement base paint on old plastered surface after preparation of surface complete as directed by Engineer-in-Charge. (Location : STP Triveni Vihar). Note : Pumping out sludge water from tube settler tank by using Diesel Engine Operated pump and necessary Diesel is to be arranged by Contractor and included in unit quoted rates and not any claim entertained.

De-sludging / de-watering of existing TWT tank of Sewage Treatment Plant of size 1.0 m x 3.0 m depth not exceeding 2 m and getting out through sucking super shocker machine and removing the sludge to a distance exceeding 1.5 KM but not excedding 2 KM in a sealed container out side of MD land and depositing the same where directed by Engineer-in-Charge including straining PVC media and cleaning with clean water and re-use for proper functioning complete including one coat of cement base paint on old plastered surface after preparation of surface complete all as specified & directed. (Location : STP Triveni Vihar). Note : Pumping out sludge water from tube settler tank by using Diesel Engine Operated pump and necessary Diesel is to be arranged by Contractor and included in unit quoted rates and not any claim entertained.

Preparation of old painted surfaces of steel surfaces such as sheets, filters, compressor, pipe lines, mild steel ladders, column pipes any size of STP, over 10 CM width or girth and applying two coats of synthetic enamel black or blue paint as per existing surface complete all as specified & directed. (Location : STP Saraswati Vihar and STP Triveni Vihar)

Painting of LT Panel of size 1.5 m x 1.0 m x 4.0 m deep with two coats of synthetic enamel smoke grey paint on steel surfaces complete all as specified & as directed by the Engineer-in-Charge

Required to clear the choked casing of non-clog submersible pump / column pipe by removing sludge / silt or solids & refixing the pump / column pipe in position & testing for proper functioning including all T & P required for removal & refixing including de-watering the sump upto desired level with own arangement all as specified & directed by Engineer-in-Charge for non-clog submersible pumps of capacity 3 HP to 20 HP complete all as specified & as directed.

M & L for Cast iron fittings viz bends (any type, radius and angle), tapers any type (straight, bend, increasing, decreasing or double socket etc), tee pieces, single branch, ‘Y’ junction, double branch, cross (all sockets or socket & spigot) collars, caps and plugs for spigot socketed pipes upto 150mm bore complete all as specified & directed.

M & L for Sluice valve Class PN-1.6 cast iron body with forged steel spindle, non rising type, with cast iron wheel head, both end flanged, ISI marked for 150 mm bore including neoprene rubber gasket, nuts, bolts, washer etc complete all as specified & directed by Engineer-in-Charge.

M & L for Sluice valve Class PN-1.6 cast iron body with forged steel spindle, non rising type, with cast iron wheel head, both end flanged, ISI marked for 100 mm bore including neoprene rubber gasket, nuts, bolts, washer etc complete all as specified & directed by Engineer-in-Charge.

M & L for Joints of submersible cable of size 6 Sqmm 3 core to 10 Sqmm 3 core 1100 volts by means of jointing materials i.e. Water proof tube, pasting materials & making the leak proof joint complete all as specified & directed by Engineer-in-Charge.

M & L for Flat submersible cable heavy duty PVC Insulated and sheathed 6 Sqmm 3 core multi strandred copper conductor cable fully water proof suitable for1100 volts grade complete all as specified & directed.

M & L for Gun Metal Gate Valve with iron wheel head, screwed both ends for iron of size 20 mm size complete all as specified & directed.

M & L for Gun Metal Gate Valve with iron wheel head, screwed both ends for iron of size 25 mm size complete all as specified & directed.

M & L for MCCB 4 pole 415 Volts 250 Amps having breaking capacity 36 KA with thermal magnetic and microprocessor release including taking down old unserviceable MCCB complete all as specified & directed.

M & L for MCCB 4 pole 415 Volts 200 Amps having breaking capacity 36 KA with thermal magnetic and microprocessor release including taking down old unserviceable MCCB complete all as specified & directed.

M & L for MCCB 4 pole 415 Volts 160 Amps having breaking capacity 25 KA with thermal magnetic and microprocessor release including taking down old unserviceable MCCB complete all as specified & directed.

M & L for MCCB 3 pole 415 Volts 25 to 100 Amps having breaking capacity 16 KA with thermal magnetic and microprocessor release including taking down old unserviceable MCCB complete all as specified & directed.

M & L for Gate valve 40 mm dia with butterfly handle steel spindle confirming to IS : 13095 complete all as specified & directed.

M & L for Gate valve 50 mm dia with butterfly handle steel spindle confirming to IS : 13095 complete all as specified & directed.

M & L for Gate valve 65 mm dia with butterfly handle steel spindle confirming to IS : 13095 complete all as specified & directed.

M & L for Gate valve 80 mm dia with butterfly handle steel spindle confirming to IS : 13095 complete all as specified & directed.

M & L for Single phase preventer model VSP-2, 415Volt, three phase, 50 Hz AC complete all specified & directed.

M & L for MCB TPN 415 Volt, 63 Amps, B Curve, 10KA breaking capacity complete all as specified & directed.

M & L for MCB TP 415 Volt, 32 Amps, B Curve, 10KA breaking capacity complete all as specified & directed.

M & L for MCB TP 415 Volt, 16 Amps, B Curve, 10KA breaking capacity complete all as specified & directed.

M & L for Compact LED indicating lamps (Red,Yellow, Blue & green) suitable for 220 Volt to 240 Volt 50 Hz AC complete all as directed by Engineer-in-Charge.

M & L for Push button for start (Red & Green) as per existing size & shape complete as directed by Engineer-in-Charge.

M & L for FR PVC Insulated sheathed multistranded copper conductor flexible cables for 1100 Volt grade conforming to IS : 694 of sizes 10 Sq mm 3 Core

M & L for FR PVC Insulated sheathed multistranded copper conductor flexible cables for 1100 Volt grade conforming to IS : 694 of sizes 6 Sq mm 3 Core

M & L for FR PVC Insulated sheathed multistranded copper conductor flexible cables for 1100 Volt grade conforming to IS : 694 of sizes 4 Sq mm 3 Core

M & L for FR PVC Insulated sheathed multistranded copper conductor flexible cables for 1100 Volt grade conforming to IS : 694 of sizes 2.5 Sq mm 3 Core

M & L for FR PVC Insulated sheathed multistranded copper conductor flexible cables for 1100 Volt grade conforming to IS : 694 of sizes 1.5 Sq mm 3 Core

M & L for Power contactor model-3TF33 00-0A, AC 3-22 Amp 415 Volt as per existing size & shape complete as directed by Engineer-in-Charge.

M & L for Power contactor model-3TF34 00-0A, AC 3-32 Amp 415 Volt as per existing size & shape complete as directed by Engineer-in-Charge.

M & L for Power contactor model-3TF35 00-0A, AC 3-38 Amp 415 Volt as per existing size & shape complete as directed by Engineer-in-Charge.

M & L for On-delay timer 03-60 second type 3 RP 1576-INP 30 8K as per existing complete as directed by Engineer-in-Charge.

M & L for Over load relay 12.5-20 Amp to match as per existing complete as directed by Engineer-in-Charge.

M & L for Over load relay 16-25 Amp to match as per existing complete as directed by Engineer-in-Charge.

M & L for Over load relay 25-36 Amp to match as per existing complete as directed by Engineer-in-Charge.

M & L for Filter media (coarse sand) bed of sludge drying bed as per existing size complete including taking down / out old damaged / chocked filter media bed or coarse sand and removing from site and disposed as directed by Engineer-in-Charge complete all as directed at both STPs at Saraswati Vihar & Triveni Vihar.

M & L for MCB SP 6-32 Amps, 230 Volts, B Curve, breaking kapacity of 10 KA complete all as specified & directed.

M & L for MCB SPN 6-32 Amps, 230 Volts, B Curve, breaking kapacity of 10 KA complete all as specified & directed.

M&L in repair faulty analog type ammeter from LT panel and removing from site Supply & Fixing three phase power ammeter Analog type suitable for 0-100 Amps range, with suitable CT's ratio of size 96mm x 96mm size including necessary control wire connection and testing complete all as specified and directed

M&L in repair faulty analog type Volt Meter from LT panel and removing from site Supply & Fixing three phase Volt Meter Analog type suitable for 0-500 Volt range of size 96mm x 96mm size including necessary control wire connection and testing complete all as specified and directed

Supply & Fixing in repair LED Indicator (RYB) colour with necessary wiring complete all as specified and directed

Supply & Fixing in repair Submersible pump controller in sheet steel enclosure type MU-G suitable for 7.5 HP or 5 KW submersible pumping set relay max range 11-18 Amps complete as specified & directed by Engineer-in-Charge.

Supply & fixing mild steel nut bolts & washers hexagonal or square half or full threaded 10-12 mm dia and 75-100 mm long complete all as specified & directed.

Supply & fixing in repair rubber gasket 3 mm thick packing ring suitable for 100 bore flange pipe cut type complete all as specified & directed.

Supply & Fixing in repair 100 mm bore MS coloumn pipe in three metre length having wall thickness 5.4 mm with both ends flanged and drilled 6 to 8 holes with flange packing nut bolts & washers of suitable size complete all as specified & directed.

Supply & Fixing 50 mm bore galvanised iron water tubing "light grade" ISI marked including fittings such as bends, tees, sockets etc fixed on walls / pole or laid in trenches under road crossing including taking down old existing pipe complete all as specified & directed. Note : Excavation, earth work, sand cushioning & protection work shall be measured & paid separately.

Preparation of panel board with one coat of synthetic enamel paint including preparation of the existing surface including scartching of old paint wherever required, rubbing & cleaning of the greasy spot by means of kerosene oil or other suitable chemical with safety precauting & all disconnected electrical connections are connected and before painting shut down complete all as specified & directed.

Preparation of old painted surfaces of steel surfaces such as sheets, filters, compressor, pipe lines, mild steel ladders, column pipes any size of STP, over 10 CM width or girth and applying two coats of synthetic enamel black or blue paint as per existing surface complete all as specified & directed. (Location : STP Saraswati Vihar and STP Triveni Vihar)

Excavation in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or laying of cables/pipes etc. and getting out in soft/loose soil complete all as specified and directed.

Cutting of road (bituminus/concrete) in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth for shafts, valve pits, wells, cesspits, manholes, pier holes,laying of cables/pipes etc. not exceeding 1.5 m in depth and getting out in road cutting soil complete all as specified and directed.

Returning, filling in excavated approved soil, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm each complete all as specified and directed.

Removal of surplus excavated soil to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

Taking out non clog sewage submersible pump including electric motor 12.5 HP, 3 phase ,415 Volts after disconnecting all electrical, transporting to workshop & mechanical connection including dismantling the motor and pump, cutting out the burnt/old/unservecible moulded winding and cleaning the slots with non greasy materials and replacing with moulded copper winding and repair of non clog pump by replacing with and including unserviceable parts such as bearing, bush, impeller mechanical seal suitable for non clog type submersible pump and filling new cooling oil 5 ltrs, reassembling after repair and lowering in the sewage well, reinstalling and testing complete all as directed by Engr-in-Charge. (Location- Prayag Vihar boosting station)

Taking out mono block pump including electric motor 12.5 HP, 3 phase, 415 Volts after disconnecting the electric connection, transporting to workshop & dismantling the motor & cutting the burnt winding and cleaning the slots with non greasy materials and rewinding with super enameled copper wire (Gauge of copper is to match the existing size) with insulating material, varnishing complete and repairing pump by replacing with and including unserveciable parts such as bearing, bush, impeller,gland packing& gland-I bolts etc reassembling after repair & reinstalling and making electrical and mechanical connections and testing complete all as directed by Engr-in-charge. (Location- STP 504 ASC Bn Vihar)

S&F, installation testing and commissioning of outdoor type,double door cubical panel boardsuitable for 3 phase, 4 wire, 415 volt, 50 Hz and CPRI approved manufacturer factory fabricated with CRCA sheet not less than 3 mm thick having modern fabrication process powder coating in approved shade having thickness not less than 100 microns provided with suitable gaskit to make it dust and vermin proof and general constructions confirming to IS : 8623/93. The LT panel shall be front and back openable and duly compartmentalized for each control grear. The panel should have suitable size of aluminium bus bar three phase 4 wire systerr having current carrying capacity 200 amps of the incomer MCCB. The panel should have the following incoming and out going controlls duly fixed with the panel by means of suitable link plates complete all as specified and directed by Engr-in-Charge. (PCC platform of suitable size for mounting the LT panel is deemed to be included in the quoted rate) complete incl Taking down old unserviceable LT Panel all as specified and directed. (i) MCCB 4 pole, 35 KA with adjusable thermal setting, 415V, 160 Amp-01 No. (ii) MCB 4 pole, 35 KA with adjustable thermal setting, 415V, 63 Amp-05 No.

Contd/.... (iii) Star Delta starter comprising of 3 pole contractors suitable for submersible pump motor capacity 10 HP with thermal over load relay complete - 04 No and 7.5HP with Overload relay-01 Nos. (iv) Motor protection relay for single phase, over load, over voltage. (v) Digital volt meter 0-500 volts. (vi) Ammeter 0-300 amps with suitable size of CTs (vii) All connection to be done through suitable size PVC insulated copper cable. (viii) LED RYB indicator- 01 Set. (ix) MCB TP 32 Amps 10 KA - 01 Nos. (x) MCB SPN 32 Amps 10 KA - 02 No. (xi) Single phase preventor - 01 No. Make of MCCB, MCB &contactor : L&T (MNX Series) Hagger, Siemens

Supply only Power contactor 3 pole Type 3 ML AC 3 rating 40 A with auxiliary contact 2NO + 2NC, complete all as specified and directed by Engineer-in-Charge. Make- L&T cat part No - SS90721 or equivalent in Legrand

Supply only Power contactor 3 pole Type MNX 25 A AC 3 rating 25 A with auxiliary contact 2NO + 2NC, complete all as specified and directed by Engineer-in-Charge. Make- L&T cat part No - SS90921 or equivalent in Legrand

Supply only Power contactor 3 pole Type 1.5 ML AC 3 rating 25 A with auxiliary contact 2 NO + 2 NC, Cat No - SS91851 Make- L&T/Legrand

Supply and replacing in repair Euroload four pole change over with advance Neutral On load change over switch I-O-II ,Current Rating 100 Amps, 415 Volts complete all as specified and directed.Make havells/ Indoasian/C&S.

Submersible pump set starter sutable for 10HP, 3 Phase 415 Volts complete all as specified and directed.

Supply, laying and testing XLPE cable insulated, screened, PVC beded galvanised steel strip or wire armoured, electric power cable (Heavy Duty) 1100 Volt grade with stranded aluminium conductor of 3.5 core 35 sq.mm, including taking down existing old/ unserviceable cable, complete all as specified and directed.

Supply, laying and testing XLPE cable insulated, screened, PVC beded galvanised steel strip or wire armoured, electric power cable (Heavy Duty) 1100 Volt grade with stranded aluminium conductor of 3.5 core 50 sq.mm, including taking down existing old/ unserviceable cable, complete all as specified and directed.

Supply, laying and testing XLPE cable insulated, screened, PVC beded galvanised steel strip or wire armoured, electric power cable (Heavy Duty) 1100 Volt grade with stranded aluminium conductor of 3.5 core 70 sq.mm, including taking down existing old/ unserviceable cable, complete all as specified and directed.

Dismantling of unserviceable induction motor from the top on the chlorine tank and transporting it to authorised workshop for repair of capacity 0.5 HP, 3 phase, 415 V, 1440 RPM from pump Houses at vaious location/Yard in Cantt area and carrying out necessary repairs/renewal of parts of motor and refixing the same after repairs including testing on completing, complete all as specified and as directed.

Cutting of existing burn/unserviceable winding, cleaning of slot, and re-winding of induction motor of any make with same size of super enamelled copper winding wire, varnishing , backing complete all as spedifeid and directed

Water seal and packing complete all as specified and directed.

Driven end bearing of pump shaft, complete all as specified and directed.

Non driven end bearing of pump shaft, complete all as specified and directed.

Cooling fan, complete all as specified and directed.

Cooling fan cover, complete all as specified and directed.

Connection plate, complete all as specified and directed.

M & L for Unplasticised PVC pipe of pressure rating 10kg/Sq.cm fixed to wall/ceiling or in floors etc, of size 15 mm bore, complete all as specified and directed.

Ball brass valves, high pressure, with polyethene float and flynut complete screwed for iron pipe of size 15 mm bore dia, complete all as specified and directed.

Servicing to chlorine dosing pump with electro chlorination batch type of capcity 230 litre in 8 hours comprising of storage tank, re-action tank, Electrolizer Cell, Electrode, Chemical resistance pump and wall mounted control panel, complete all as specified and directed. Make of plant : PristineWater Note : Servicing shell be carried out by authorised distributer or manufacturer of the said dosing system. A certificate to be produced in original from distributer/manufacturer after completion of spedifeid work. Items/Spares required to make the system functional will be measured and paid separartely as supply only items separartely work respective item of this schedule.

Supply only digital Timer, complete all as specified and directed.

Supply only chlorine test kit with coloured ample, testing tube and OT soultion with rexene finish box, complete all as specified and directed.

Supply only OT soluiton for testing of water sample, complete all as specified and directed.

Supply, Laying, jointing including cuttting ,welding and testing MS pipe 25 mm bore heavy grade ( class C)with all fittings confirming to IS-3589, laid in trenches or alongwall or roofs and in floors etc complete incl taking down old rusted pipe line all as specified and as directed (excavation and earth work shall be measured and paid for separately)

Supply, Laying, jointing including cuttting ,welding and testing MS pipe 40 mm bore heavy grade ( class C)with all fittings confirming to IS-3589, laid in trenches or alongwall or roofs and in floors etc complete incl taking down old rusted pipe line all as specified and as directed (excavation and earth work shall be measured and paid for separately)

Supply, Laying, jointing including cuttting ,welding and testing MS pipe 50 mm bore heavy grade ( class C)with all fittings confirming to IS-3589, laid in trenches or alongwall or roofs and in floors etc complete incl taking down old rusted pipe line all as specified and as directed (excavation and earth work shall be measured and paid for separately)

Supply, Laying, jointing including cuttting ,welding and testing MS pipe 80 mm bore heavy grade ( class C)with all fittings confirming to IS-3589, laid in trenches or alongwall or roofs and in floors etc complete incl taking down old rusted pipe line all as specified and as directed (excavation and earth work shall be measured and paid for separately)

Supply, Laying, jointing including cuttting ,welding and testing MS pipe 100 mm bore heavy grade ( class C)with all fittings confirming to IS-3589, laid in trenches or alongwall or roofs and in floors etc complete incl taking down old rusted pipe line all as specified and as directed (excavation and earth work shall be measured and paid for separately)

Supply, Laying, jointing including cuttting ,welding and testing MS pipe 150 mm bore heavy grade (class C) with all fittings confirming to IS-3589, laid in trenches or alongwall or roofs and in floors etc complete including taking down old rusted pipe line all as specified and as directed (excavation and earth work shall be measured and paid for separately)

M&L for replacement of Butterfly valve ISI Marked with iron wheel 25 mm bore complete with necessary fittings as required at site complete includinh taking down old unserviceable valve all as specified and as directed.

All as per srl item No.250 above herein before but size of butterfly valve 40 mm bore.

All as per srl item No.250 above herein before but size of butterfly valve 50 mm bore.

All as per srl item No.250 above herein before but size of buttterfly valve 80 mm bore.

All as per srl item No.250 above herein before but size of butterfly valve 100 mm bore.

All as per srl item No.250 above herein before but size of butterfly valve 150 mm bore.

Taking out non clog sewage submersible pump including electric motor 7.5 HP, 3 phase ,415 Volts after disconnecting all electrical, transporting to workshop & mechanical connection including dismantling the motor and pump, cutting out the burnt/old/unservecible moulded winding and cleaning the slots with non greasy materials and replacing with moulded copper winding and repair of non clog pump by replacing with and including unserviceable parts such as bearing, bush, impeller mechanical seal suitable for non clog type submersible pump and filling new cooling oil 5 ltrs, reassembling after repair and lowering in the sewage well, reinstalling and testing complete all as directed by Engr-in-Charge. (Location- STP Akshay Vihar boosting station)

Taking out mono block pump including electric motor 7.5 HP, 3 phase, 415 Volts after disconnecting the electric connection, transporting to workshop & dismantling the motor & cutting the burnt winding and cleaning the slots with non greasy materials and rewinding with super enameled copper wire (Gauge of copper is to match the existing size) with insulating material, varnishing complete and repairing pump by replacing with and including unserveciable parts such as bearing, bush, impeller,gland packing& gland-I bolts etc reassembling after repair & reinstalling and making electrical and mechanical connections and testing complete all as directed by Engr-in-charge. (Location- STP Akshay Vihar)

Disconnecting air compressor pump motor, transporting to workshop & taking out mono of capacity 7.5 HP, 3 phase, 415 Volts after disconnecting the electric connection & dismantling the motor & cutting the burnt winding and cleaning the slots with non greasy materials and rewinding with super enameled copper wire (Gauge of copper is to match the existing size) with insulating material, varnishing complete and repairing pump by replacing with and including unserveciable buch/ bearing, etc reassembling after repair & reinstalling and making electrical and mechanical connections and testing complete all as directed by Engr-in-charge. (Location- STP Akshay Vihar)

S&F in repair fan belt suitable for Air compressor 150 M³/hr including connection complete all as directed by Enginer- in- Charge.

S&F in repair pressure gauge (water) range 0-4.20 Kg/Sq.cm complete all as directed by Engineer-in-Charge.

Desludging of existing sewage collecting well of any size 3.7mtr dia and depth 6.0mtr & getting out sludge upto 2.0 mtr depth above the bottom surface through sucking supper soucer machine/ and depositing to a distance exceeding 1.5km but n. exc 2km out side MOD land at isolated places. (Location- STP Akshay Vihar) Note- Pumping out sludge water from sewage collection tank by using Diesel Engine operated pump and necessary diesel is to be arranged by contractor complete all as specified and directed by Engineer-in-charge .

Desluding/cleaning of existing sludge drying beds of size 4.40mtr x 4.40mtr and depth 1.2 mtr by any means i.e manually or by mechanical appliances complete by removing the sludge /vegetation upto height of 0.5 mtr above the bottom surface, disposing sludge at abandonend place from Cantt area and deposited the same where directed by Engineer-in-Charge including supply & spreading of sand upto 150 mm thick on top of filter bed complete all as specified and directed by Engineer-in-charge . (Location- STP Akshay Vihar)

Desluding/dewatering of existing equalizer tank of sewage treatment plant (size 4.8mtr x 4.8mtr x 2.5mtr depth) by any means ie mechanical appliances upto height of 1.3 mtr above the bottom surface complete, including working under foul condition and depositing or solid waste (silt) in any proportion and silted soil from the existing equalizer tank and removing the sludge to a distance not exceeding 2.0 Km in a sealed container out side of MOD land and deposited the same where directed by Engineer-in-Charge including one coat of cement base paint on old plastered surface after preparation of surface complete all as specified & directed.(Location- STP Akshay Vihar) Note : Pumping out sludge water from equaliser tank by using Diesel engine operated pump and necessary diesel is to be arranged by Contractor & included in unit quoted rates and not any claim entertained at later stage.

Desluding/dewatering of existing tube settler tank of sewage treatment plant (size 3.4mtr x 2.4mtr x 2.7mtr) by any means ie mechanical appliances & through sucking super shocker machine upto 1.2 mtr above the bottom surface complete, including working under foul condition and depositing or solid waste (silt) in any proportion and silted soil from the existing settler tank and removing the sludge to a distance not exceeding 2.0 Km in a sealed container out side of MOD land and deposited the same where directed by Engineer-in-Charge including straining pvc media and cleaning with clean water and reuse for proper functioning complete including one coat of cement base paint on old plastrered surface after preparation of surface complete all as specified & directed. (Location- STP Akshay Vihar) Note : Pumping out sludge water from tube shetler tank by using Diesel engine operated pump and necessary diesel is to be arranged by Contractor & included in unit quoted rates and not any claim entertained at later stage.

Desluding/dewatering of existing chlorine contact tank of sewage treatment plant (Each of size 3.40mtr x 2.5mtr x 1.5mtr) and getting out sludge through sucking super shocker machine upto height 0.5mtr above the bottom surface and removing the sludge to a distance not exceeding 2.0 Km in a sealed container out side of MOD land and deposited the same where directed by Engineer-in-Charge including straining pvc media and cleaning with clean water and reuse for proper functioning complete including one coat of cement base paint on old plastered surface after preparation of surface complete all as specified & directed. (Location- STP EME Line)

Desludging/dewatering of existing TWT tank of sewage treatment plant (Size 5.0mtr x 3.4mtr and depth 1.8mtr) and getting out sludge through sucking super shocker machine upto height 0.2 mtr and depositing to a distance exceeding 1.5 km but not exceeding 2 km outside MOD land at isolated place. Brooming/scraping down of old surface of the tank with bleaching powder and cleaning with clean water and re-use for proper functioning complete including one coat of cement base paint on old plastered surface after preparation of surface proper functioning complete all as specified & directed. (Location- STP Akshay Vihar) Note- pumping out sludge water from TWT tank by using Diesel Engine operated pump and necessary diesel is to be arranged by Contractor all as specified and directed by Engineer-in-charge and not any claim entertained at later stage.

Desluding/dewatering of existing MBBR tank of sewage treatment plant (size 1.9mtr x 1.9mtr and depth 5.0 m) by any means ie mechanical appliances upto height of 1.5 mtr above the bottom level complete including working under foul condition and depositing or solid waste (silt) in any proportion and silted soil from the existing equalizer tank and removing the sludge to a distance not exceeding 2.0 Km in a sealed container out side of MOD land and deposited the same where directed by Engineer-in-Charge including one coat of cement base paint on old plastrered surface after preparation of surface complete all as specified & directed. (Location- STP Akshay Vihar) Note : Pumping out sludge water from MBBR tank by using Diesel engine operated pump and necessary diesel is to be arranged by Contractor & included in unit quoted rates and not any claim entertained at later stage.

M&L for preparation of old painted surfaces of steel surfaces such as sheets, filters, compressor, pipelines, mild steel ladders, Column pipes any size of STP, over 10cm width or girth and applying one coat of synnthetic enamel paint complete all as specified and directed. (Location - STP Akshay Vihar)

S & F in replacement , connecting, testing and commissioning Direct Online Starter with single phase protection,max relay range 11-18 Amp suitable for 7.5 HP, 3 Phase, 415 volts, 50 HZ, having all standared accessories complete all as specified and directed.

Taking out existing filter media from sludge drying bed and Supply & replacement of filter media (coarse sand) of sludge drying bed as per existing size complete all as specified and as directed at STP Akshay Vihar.

Supply and Mixing liquid chlorine sodium hypochlorite drinking water with 10% chlorine contents by volume conforming to IS-11673 in sealed non-chemical reactine/ oxidation LDPE continers of 6 kg PVC tanks, as required on monthly basis with manufacturer's chlorine test certificate and manufacturer's date marked not more than 02 week old , complete all as specified and directed. NOTES:- (i) Approval of chemical (sodium hypochlorite) shall be given after verification of test certificates of chemical of various manufactures and other factors like chemical and safety and health hazard aspects of usage of chlorination (ii) The brand/make of the chlorination of chemical must be stated before procurement and certified by govt laboratory that it is free from the technical strength stahbility health safety and operation point of view this product is ued for drinking water applications for consumption by humans and the brand /make of calcium hypochlorite is suitable for drinking water chlorination and its sample has been tested by Govt Laboratory.

Ambrish Builders (BID ID -3066838)

SHALIMAR INTERIORS (BID ID -3072557)