COMPREHENSIVE REPAIR MAINT OF SEWAGE TREATMENT PLANT THROUGH OEM FIRE FIGHTING SYSTEM CONNECTED ITEMS AND OTHER MISC WKS

Amount

SCHEDULE A BOQ

Comprehensive maintenance /repair of sewage treatment plant capacity of 0.5 LLD, the plant comprising of the following :- Main collection tank of 30,000 ltr capacity, submersible sewage pump of capacity 7.5HP 3 phase 415V - 02 No, Non-clogging pump 1HP 3 phase 415V – 01 No, Aeration tank, Filter feed pump air blower 7.5HP 3 phase 415V – 01 No, Activated carbon filter tank with assembly – 01 No, hypo chloride dozing system – 01 No, Sand filter tank assembly – 01 No, Recirculation pump 3HP 3 phase 415V – 02 No, open well submersible pump 5HP 3 phase 415V – 01 No and other civil structures/ chambers, connected equipments, panels, cables etc.

(I) The parameters of input and output shall be maintained as under :-

(a) Inlet parameters :- (i) BOD - 250 - 275 mg/ltr (ii) COD - 400 - 550 mg/ltr (iii) TSS - 400 mg/ltr (iv) PH - 7 to 7.5 (v) Fecal Coliform - < 230

(b) Parameters for treated sewage effluent required are as :- (i) BOD - Less than or equal to 10 mg/ ltr (ii) COD - Less than or equal to 150 mg/ ltr (iii) TSS - < 30 mg/ltr (iv) PH - 7 to 8 (v) E coli - Less than or equal to 100 counts/ 100 ml (vi) Residual chlorine - > 0.5mg/ ltr (iv) DO (Dissolved oxygen level - 2 to 4 mg/ ltr in biological system to be maintained)

(II) The following daily maintenance to be carried out :- (a) Bar screen chamber should be cleaned every day to ensure that it’s not choked. (b) Cleaning of Oil & Grease trap. (c) Once in every two hours pumps should be changed between working and standby i.e, Sewage feed pump, blower and Filter feed pump. (d) Maintain disinfection liquid in chlorine dozing tank. (e) MGF and AGF back wash & rinse – Once in every 8 hours simultaneously. (f) Settling tank – Sludge should be disposed from settling tank to sludge drying bed. Once every 8 hours based on MLSS growth. (g) Monitoring and maintenance of log books periodically. (h) Treated water tank – chlorine content should be analysed to ensure that chlorine % is below 0.2 ppm. (j) MLSS growth – to be checked in aeration tank and equalization .

(III) The following weekly maintenance to be carried out :- A STP system is inspected weekly and the following points attended to :- i) Inspect Equalisation Tank/ Entry to system for blockages, plastics etc and remove. ii) Inspect Aerator and note biomass growth, recirculation and any malodour. iii) Inspect Secondary clarifier (Humus, Tank) and note visual appearance of final effluent and absence (or otherwise) of sludge build up. iv) Check the outlet of the system for blockage etc. v) Check grease trap empty and if required top up with clean cold water. vi) Grease the bearings

(IV) The following monthly maintenance to be carried out :- Aerator MUST BE SWITECHED OFF during monthly maintenance procedures. Refer weekly maintenance schedule and follow the below mentioned instructions. i) Check motor for overheating (by touch) and remove dust etc. from air fins. ii) Grease all bearings through nipples. iii) Grease all chain couplings through casing nipples. iv) Check oil level in gearbox and top up if necessary. v) Check sludge return system from Humus Tank for function. vi) Apply light lubricating oil in small quantities to locks and hinges. vii) Empty and clean out grease trap and fill with clean cold water

(V) The following items for routine maintenance shall be provided in plant :- (a) Liquid chlorine - 200 ltrs per month (b) Urea - 100 kg per month (c) DAB - 50 kg per month (d) Bio culture - 25 kg per month (e) Cow dung - 400 kg per month (f) Deforming chemical - 10 ltr per month (g) INDI foam 3000 - 15 ltr per month (h) Sercon 203 - 10 ltr per month

(VI) The following items shall be replaced as and when required or as directed by the Engr-in-Charge :- (a) Gaskets, Gland Packing. (b) O rings. (c) Drive belts for air blower and clarifier. (d) Minor electrical accessories viz Indication lamps, fuses etc. (e) Blades (f) Pasting materials (g) Consumables like gloves, safety jackets, helmets, respirators etc (h) Cleaning Chemicals, reagents, Lubricants etc.

(VII) The following tests shall be carried out and maintain the record of treated sewage as per frequency mentioned below :- Ser No Description of parameters Periodicity 1. PH Weekly 2. TSS Weekly 3. BOD Weekly 4. COD Weekly

Note for item No 3 :- Provide the following technical services and the quoted rate deemed to be inclusive of the following :- (a) The contractor shall visit the site/ plant before quoting the tender. The existing STP plant is MBBR and Original Equipment Manufacture is M/s ION Exchange.

(b) For technical support in comprehensive maintenance of STP, the contractor shall enter into MOU with any of the OEMs, mentioned in the tender. No additional payment on this account shall be made to the contractor by the department.

(c) The contractor shall ensure that the OEM shall be the one with whom MOU has been submitted prior to receipt of tender. However, in case the said OEM fails to perform his obligations as per MOU, the contractor may be allowed to get the technical support through any other OEM mentioned in the tender, after acceptance of tender with prior approval of Accepting Officer. However, in such cases, matter shall be taken up by the deptt with appropriate authority for disciplinary or other suitable action against the defaulting OEM. The contractor shall also be at liberty to take any action against such OEM. Contractor shall however be responsible for completion of the work under the contract strictly as per the terms and conditions of the contract agreement and no claim whatsoever on any account shall be entertained in this regard.

(d) Irrespective of the fact that MOU is signed by contractor with an OEM, contractor shall be fully responsible for overall performance and quality of treated water coming out after treatment.

(e) The comprehensive maintenance of STP plant of MBBR will be carried out through the OEM's personnel under the supervision of contractor and the Engineer-in-Charge. The OEM shall be responsible for all technical support for comprehensive maintenance and shall also be responsible for performance of the plant in terms of outlet parameters mentioned here-in-before.

(f) OEM or their authorised service centre shall employ round the clock one technician having sound knowledge in STP Plant to operate the plant, carryout water analysis checks through approved Laboratory and monitor the performance of the plant on a regular basis, interpret the results and suggest remedial measures in case of major deviations and one person for daily maintenance and cleaning of the plant.

(g) Visits of service Engineer of OEM at least once in every month and during break down or when urgently required for the Inspection, servicing repair, rectification of problem and submission of report.

(h) The maintenance supervisor shall be fully responsible for maintaining the STP in operational condition in consultation with the Engineer-in-Charge.

(j) The cost of supply and replacement of worn out/ defective equipments, each and every type of repair, renewals, regular servicing for efficient and smooth functioning of STP and connected equipment/ items shall be deemed to be included in the unit quoted rates of BOQ.

(k) Repair/ replacement of any equipment/ machinery or part thereof provided under this contract shall be got done only from the manufacturer's authorised dealer/ OEM and record thereof shall be maintained.

(l) The contractor has to provide all consumable spares, oil & lubricants for greasing of various equipments, chemicals, consumables for electrical and mechanical plant & machinery.

(m) One month's consumables and required spares shall always be kept at site in advance.

(n) Major repairs/ overhauling etc. shall be notified to the GE immediately on occurrence. The cost of each part/ equipment replaced shall be deemed to be included in the unit rates quoted by the contractor. The rates quoted in BOQ shall be deemed to be included for all materials and labour reqd for comprehensive maintenance including repair/ replacement of all the component equipment for keeping the STP in operational condition.

(o) The entire treated water will be reutilised for arboriculture purpose/ flushing system of toilets. The quantity of treated water shall meet all the criteria given here in before.

(p) The contractor shall carry out various tests on treated sewage and record the same in registers duly signed by contractor's rep, JE and Engineer-in-Charge. The tests shall be carried out from Govt approved laboratories. Contractor shall also be at liberty to establish his own laboratories at site for same after prior approval of GE, however, GE can ask the contractor to get independent tests from Govt lab/ Govt Engineering colleges. The cost of above shall be deemed included in the rates quoted by contractor in BOQ.

(q) The Installation shall be frequently visited by the MES/ Air Force officers. It shall be contractor responsibility for proper upkeep of the area in a presentable state all the time. Surrounding area upto the fencing/ boundary of STP shall be kept clean and cleared of bushes/ shrubs and grass all the time to give a neat and clean appearance of the area.

(r) Registers of record of periodical maintenance carried out data wise for each equipment separately and the same shall be signed by both parties i.e authorise rep of contractor, JE and Engineer-in-Charge.

(s) Repair to system in case of break down (due to normal wear & tear) shall be rectified by the contractor within 24 hrs. In case of failure noticed more than 24 hrs, recovery shall be effected @ Rs. 500/- per hour beyond 24 hrs.

(t) Disposal of all sludge at suitable frequency outside the defence land. Contractor is deemed to have identify the area suitable for disposal for sludge. The cost of same shall deemed to have been included in the quoted rates.

Taking out silt, liquid water sludge in solid/semi solid state / pumping out all mud sewage water from collection sump of size 5 M dia and 8 mtrs depth /Manholes STP tanks of any capacity and size and removing the same using truck mounted honey sucker of capacity minimum 4 cum and to dispose off the sludge to in low lying area at any distance during Sunday and holiday as per requirement, depositing the sludge in low laying area with covering by earth over it and leaving the collection sump clean etc. complete all as specified and directed.

Note :- The tendere shall take into consideration for following points while quoting his rate for this item and the unite rate is deemed be included for :- (i) Cutting and filling shall be cleared of shrubs, vegetation, grass bush, weed, trees and sapling not exceeding 30 cm in girth, measured at a height of two metre above ground leve around collection sump. Useful material shall be stacked.

(ii) De-watering by high presure submersible pump all complete.

(iii) Removal of sludge & sand from inside the tank scrubbing and washing side walls and bottom with bleaching powder solution and making surface free from any fungus, deposited stains using wire brush filling of cavities inside of tank with CM 1:2.

(iv) cleaning of walls , flooring and ceiling with special mechanized high pressure jet machines by high pressure jet pum 80-180 bar pressure , which dislodges the layer of dirt, algae, fungus stuck on its surface usage of scrubbing machines for old stains.

(v) Anti-Bacterial Treatment of Inside of the tank should be treated with specially developed 4 ft long ultraviolet Radiator to kill further floating bacteria/virus in order to make the tank totally clean, bacteria free and safe for storage of drinking water.

(vi) Cleaing/ above operations should be executed by trained workers and technicians.

(vii) Cost of T&P like rods, bamboos, gum shoes and hand gloves etc complete.

(viii) Driver and operator must be in possession of a valid licence and confirm the serviceability of the Truck.

(ix) Removal of blockage of sewage lines up to one metre from collection sump including manholes by using necessary tools/ mechanically tools or manually such as passing rope knots, bamboo kamti and disc of required size including safety measures such as test for gas etc. before flushing the pipe well with water after removal of blockage of pipe complete all as specified and directed.

(x) Tank shall be made available for cleaning for a period of 8 hours only and contractor has to arrange sufficient labour/ T&P to complete the job with the given period only. or otherwise penality shall be imposed @ Rs 500/- per day.

Disconnecting electric connection and taking out submersible sewage cutter pump set of capacity 10 HP, 3 Phase, 415 volt from sewage well, transport to the workshop and back for making the serviceable/ repair, dismantle the motor/pump, taking out burnt winding of stator, removal of burnt insulation material from the slot, cleaning the stator slots and M&L for rewinding the stator using super enamelled, submersible grade coper winding wire of same gauge and turns, cleaning and overhauling the pump, tightening impeller complete including replacing the following unserviceable spares, reinstall the pump in original position and testing at full load capacity all as specified and directed by Engineer-in-Charge. Make : Kirlosker Location : Mehra Subway

Coil wound set with class "F" insulation

Mechanical seal lower

Mechanical seal upper

Ball Bearing Set

"O" Ring & gasket set

Fastner Set

Rotor rework with S.P Sleeve with balancing

Impeller balancing work.

50 mm outer dia of pipe 3 Layer PP-R Polyproplyne random copolymer concealed SDR 7.4 (PN 1.6) UV stabilized and antimicrobial fusion welded havIng thermal stability for hot and cold water supply including all PP-R plain & brass threaded polypropyelene random fittings fixing complete to walls, floors, ceilings, under trenches including taking down of existing GI/CI unserviceable pipes complete all as specified and directed. Make : SFMC, Reliance Industries, KPT

Note :- The unit rate shall be include for taking down existing GI pipe and connections and all fittings as directed.

The unit rate shall be include the cost of short lengths, with all pipe fittings such as bends, tees, short pieces connectors, elbows, reducers, unions, sockets etc and fixing accssories such as pipe hooks, screws clamps etc

Wall thickness of pipes shall be all as per IS : 15801

Ductile Iron Pressure Pipes, Centrifugally Cast [Spun], Class "K-9" for 150 mm bore with Socket and Spigot ends conforming to IS - 8329 in standard lengths suitable for Push-On Rubber Gasket Jointing with inside Cement Mortar Lining and Black Bitumen external coating including taking down any description and any size of pipe complete all as specified and as directed. Note : Excavation earth work and DI special shall be measured separately.

Servicing/ periodical maintenance of fire fighting system and fire alarm system comprising of Smoke detection control panel (to accommodate and sensing signals from wireless smoke detectors), Smoke detector (Photoelectric detection Technology), External wireless siren strobe, wireless repeater to extend the communication range of detectors, Conventional Fire Alarm control panel, IR3 Infra Red flame detector, conventional manual call point with EN 54-11 : 2001 and LPCB, conventional sounder etc by attending fault testing of system, quarterly checking of system including preventive maintenance by replacing small spare parts complete all as specified and directed. Location - SRE bldg

Note :- The contractor shall make AMC contract with the authorised service agency of any make for fire fighting equipments and the repairs/ maintenance shall be carried out through the Authorised service agency only as per instructions recommended by the original manufacturer.

The rate quoted shall be deemed to include for carried out all repairs noticed during the period.

The authorised service agency must be attended as and when called for urgent nature of repair of the fire fighting equipments.

Checking of Alarm signal should not lost when primery power failure untill the alarm signal processed.

Checking of audio amplifiers and tone genrating equipment.

Checking of smoke detector sensibility.

Checking of all speaker circuit and loops.

Periodicity shall be around 03 months or as per manufacturer instruction.

Supply and replacement of unserviceable iron sheet external cabinet made out of 16 gauge MS sheet of size 800mm x 600mm x 250mm on angle iron frame made out of 25 x 25 x 5mm and including 4mm thick tougnended glass door and locking arrangement, builder hardware to accommodate fire fighting accessories like reinforced rubber line hose real 63mm dia of 30 mtr length - 02 No and gun metal branch pipe short length - 01 No, painting with two coat of synthetic enamel paint of fire red colour over a coat of red oxide primer for external and internally complete all as specified and directed by Engineer-in-Charge.

Disconnecting electric connection and taking out open well submersible pump set of capacity 5 HP, 3 Phase, 415 volt from STP clear water tank, dismantle the motor/pump to carry out repair cutting and remove the faulty stator winding of the motor and M&L for rewinding the stator using super enamelled, submersible grade copper winding wire of same gauge and turns, cleaning and overhauling the pump, tightening impeller, replacing bearing/bushes, water seal complete including reinstall the pump set in original position and testing all as specified and directed.

Cutting existing road/PCC/Drain for laying of DI/GI or any typeof pipe including necessary earth work, excavation exc 600mm depth but not exc 1mtr depth, wide 800mm including making existing surface with PCC 1:2:4 type B1 using 20mm aggregate thickness of concrete is 150mm complete all as specified and directed.

Note :- The tendere shall take into consideration for following points while quoting his rate for this item and the unite rate is deemed be included for :-

(i) Earth work excavation in any type of soil

(ii) Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25 cm thick complete all as specified and as directed.

(iii) Removing excavated material to out side MD land

(iv) Laying of any type/any bore of pipe in trenches including taking down any description. Supply of pipe will be measured and paid separately

(v) 150 mm thick PCC 1:2:4 type B1 as in road

63 mm outer dia of pipe 3 Layer PP-R Polyproplyne random copolymer concealed SDR 7.4 (PN 1.6) UV stabilized and antimicrobial fusion welded havIng thermal stability for hot and cold water supply including all PP-R plain & brass threaded polypropyelene random fittings fixing complete to walls, floors, ceilings, under trenches including taking down of existing GI/CI unserviceable pipes complete all as specified and directed. Make : SFMC, Reliance Industries, KPT.

Note :- The unit rate shall be include for taking down existing GI pipe and connections and all fittings as directed.

The unit rate shall be include the cost of short lengths, with all pipe fittings such as bends, tees, short pieces connectors, elbows, reducers, unions, sockets etc and fixing accssories such as pipe hooks, screws clamps etc

Wall thickness of pipes shall be all as per IS : 15801

Excavation in trenches n.exc 1.5m width and n.exc 1.5 m depth and getting out in hard/dense soil complete all as specified and directed.

Returning filling in, with soil obtained from excavation in layers n exc 25cm thick including spreading watering ramming etc complete all as specified and directed.

Removal of excavated material to a distance exc. 230mtr and n exc 500mtr and deposited as directed.

Disconnecting electric connection and taking out submersible sewage cutter pump set of capacity 7.5 HP, 3 Phase, 415 volt from sewage well, transport to the workshop and back for making the serviceable/ repair, dismantle the motor/pump, taking out burnt winding of stator, removal of burnt insulation material from the slot, cleaning the stator slots and M&L for rewinding the stator using super enamelled, submersible grade coper winding wire of same gauge and turns, cleaning and overhauling the pump, tightening impeller complete including replacing the following unserviceable spares, reinstall the pump in original position and testing at full load capacity all as specified and directed by Engineer-in-Charge. Make : Kirlosker Location : Old Kalpa, Gulmohar

Coil wound set with class "F" insulation

Mechanical seal lower

Mechanical seal upper

Ball Bearing Set

"O" Ring & gasket set

Fastner Set

Rotor rework with S.P Sleeve with balancing

Impeller balancing work.

DI fittings Bend,(any type ,radius and angle) tapers any type (straight, bend,increasing,decreasing or double socket etc), Tee pieces, connection pieces, collers, caps and plugs including taking down existing one complete all as specified and directed

Ductile Iron Pressure Pipes, Centrifugally Cast [Spun], Class "K-9" for 100 mm bore with Socket and Spigot ends conforming to IS - 8329 in standard lengths suitable for Push-On Rubber Gasket Jointing with inside Cement Mortar Lining and Black Bitumen external coating including taking down any description and any size of pipe complete all as specified and as directed. Note : Excavation earth work and DI special shall be measured separately.

Supply, installation, commissioning and testing of Factory assembled, Floor mounted, free standing, type tested LT Feeder Pillar Panels, with canopy, as per electrical specifications for outdoor installation, to be made of IP65 Polycarbonate modular enclosures. The Enclosures made of Polycarbonate, should be weather/ vermin proof, anti-acid, anti-corrosive, UV resistance in accordance with IEC 61439-1, Fire retardant and Self-extinguishing in accordance with IEC 60695-2-11, UL subject 94 for flammability V-0, should pass glow wire test for 960° in accordance with 60695-2-11. Degree of protection against mechanical load should be IK 08 (5 Joule) in accordance with IEC 62262, IP 65 in accordance with IEC 60529 & IEC60439-1, should have Dielectric Properties, RoHS compliant & Halogen free. The manufacturer of boards/panel shall submit a copy of type test reports as per above-mentioned norms either from UL/ERDA/CPRI/NABL labs in India. The panels should be modular and compartmentalized in construction with opaque and transparent doors, properly tightened to base with thermoplastic screws having sealing gaskets of extruded silicon rubber to withstand adverse weather effects. The depth of modular enclosures should be above 200mm for air circulation & to minimize temp rise. Panel should be fitted with 01 No polycarbonate IP 65, 9W LED translucent bulk head luminaire, 6500K, PF > 0.95 under canopy for easy maintenance. Panel should be fitted outside with 01 No of 16A 3P IP 65 industrial socket and 01 No of 32A 5P IP 65 industrial socket. 3 phase and neutral 250 amps current carrying capacity copper bus bar insulated with colour coded heat shinkable sleeves with SMC/DMC insulators, complete with the following switch gears and mounting the panel board on ground with PCC (1:3:6) bedding upto a height of 45 cm above ground level, including dismantling and taking out old u/s LT Panel Board and remove from site reconnecting existing LT Cables with new panel board complete all as directed :-

Supply and replacement of unserviceable release panel model RE-25AR make- Ravel, UL listed (9th Edison), including switch mode power supply, battery polarity and deep discharge suitable for CO2 flooding system installed at SRE bldg as directed

Supply and replacement of universal branch of size 15 mm dia suitable for coupling with CP hose pipe 63 mm dia as directed.

Servicing/ periodical maintenance of fire fighting system and fire alarm system comprising of Smoke detection control panel (to accommodate and sensing signals from wireless smoke detectors), Smoke detector (Photoelectric detection Technology), External wireless siren strobe, wireless repeater to extend the communication range of detectors, Conventional Fire Alarm control panel, IR3 Infra Red flame detector, conventional manual call point with EN 54-11 : 2001 and LPCB, conventional sounder etc by attending fault testing of system, quarterly checking of system including preventive maintenance by replacing small spare parts complete all as specified and directed. Location - DWR

Note :- The contractor shall make AMC contract with the authorised service agency of any make for fire fighting equipments and the repairs/ maintenance shall be carried out through the Authorised service agency only as per instructions recommended by the original manufacturer.

The rate quoted shall be deemed to include for carried out all repairs noticed during the period.

The authorised service agency must be attended as and when called for urgent nature of repair of the fire fighting equipments.

Checking of Alarm signal should not lost when primery power failure untill the alarm signal processed.

Checking of audio amplifiers and tone genrating equipment.

Checking of smoke detector sensibility.

Checking of all speaker circuit and loops.

Periodicity shall be around 03 months or as per manufacturer instruction.

Supply and replacement of unserviceable CP house pipe real 25 mm dia 36 mtr length including terminal brass jet as directed by Engineer-in-Charge

Supply and replacement of unserviceable RS485 interface module, model : RE-45AR make Ravel suitable for CO2 flooding system installed at SRE bldg as directed.

Supply and replacement of universal branch of size 25 mm dia suitable for coupling with CP hose pipe 63 mm dia as directed.

Supply only 90 mm outer diameter of pipes in cutting road portion 3 Layer PP-R Polyproplyne random copolymer concealed SDR 7.4 (PN 16 @ 20°C) UV stabilized and antimicrobial fusion welded havIng thermal stability for hot and cold water supply including all PP-R plain & brass threaded polypropyelene random fittings complete Note : The unit rate is included for supply only and cutting existing road , excavation, Laying of any type/any bore of pipe in trenches including taking down any description and 150 mm thick PCC 1:2:4 type B1 as in road will be measured and paid separately

90 mm outer dia of pipe 3 Layer PP-R Polyproplyne random copolymer concealed SDR 7.4 (PN 1.6) UV stabilized and antimicrobial fusion welded havIng thermal stability for hot and cold water supply including all PP-R plain & brass threaded polypropyelene random fittings fixing complete to walls, floors, ceilings, under trenches including taking down of existing GI/CI unserviceable pipes complete all as specified and directed. Make : SFMC, Reliance Industries, KPT

Note :- The unit rate shall be include for taking down existing GI pipe and connections and all fittings as directed.

The unit rate shall be include the cost of short lengths, with all pipe fittings such as bends, tees, short pieces connectors, elbows, reducers, unions, sockets etc and fixing accssories such as pipe hooks, screws clamps etc

Wall thickness of pipes shall be all as per IS : 15801

Disconnecting electric connection and taking out submersible sewage cutter pump set of capacity 3 HP, 3 Phase, 415 volt from sewage well, transport to the workshop and back for making the serviceable/ repair, dismantle the motor/pump, taking out burnt winding of stator, removal of burnt insulation material from the slot, cleaning the stator slots and M&L for rewinding the stator using super enamelled, submersible grade coper winding wire of same gauge and turns, cleaning and overhauling the pump, tightening impeller complete including replacing the following unserviceable spares, reinstall the pump in original position and testing at full load capacity all as specified and directed by Engineer-in-Charge. Make : Kirlosker Location : New Kalpa

Coil wound set with class "F" insulation

Mechanical seal lower

Mechanical seal upper

Ball Bearing Set

"O" Ring & gasket set

Fastner Set

Rotor rework with S.P Sleeve with balancing

Impeller balancing work.

Supply only 63 mm outer diameter of pipe in cutting road portion 3 Layer PP-R Polyproplyne random copolymer concealed SDR 7.4 (PN 16 @ 20°C) UV stabilized and antimicrobial fusion welded havIng thermal stability for hot and cold water supply including all PP-R plain & brass threaded polypropyelene random fittings complete Note : The unit rate is included for supply only and cutting existing road , excavation, Laying of any type/any bore of pipe in trenches including taking down any description and 150 mm thick PCC 1:2:4 type B1 as in road will be measured and paid separately

Supply, installation, commissioning and testing of Factory assembled, Floor mounted, free standing, type tested LT Feeder Pillar Panels, with canopy, as per electrical specifications for outdoor installation, to be made of IP65 Polycarbonate modular enclosures. The Enclosures made of Polycarbonate, should be weather/ vermin proof, anti-acid, anti-corrosive, UV resistance in accordance with IEC 61439-1, Fire retardant and Self-extinguishing in accordance with IEC 60695-2-11, UL subject 94 for flammability V-0, should pass glow wire test for 960° in accordance with 60695-2-11. Degree of protection against mechanical load should be IK 08 (5 Joule) in accordance with IEC 62262, IP 65 in accordance with IEC 60529 & IEC60439-1, should have Dielectric Properties, RoHS compliant & Halogen free. The manufacturer of boards/panel shall submit a copy of type test reports as per above-mentioned norms either from UL/ERDA/CPRI/NABL labs in India. The panels should be modular and compartmentalized in construction with opaque and transparent doors, properly tightened to base with thermoplastic screws having sealing gaskets of extruded silicon rubber to withstand adverse weather effects. The depth of modular enclosures should be above 200mm for air circulation & to minimize temp rise. Panel should be fitted with 01 No polycarbonate IP 65, 9W LED translucent bulk head luminaire, 6500K, PF > 0.95 under canopy for easy maintenance. Panel should be fitted outside with 01 No of 16A 3P IP 65 industrial socket and 01 No of 32A 5P IP 65 industrial socket. 3 phase and neutral 400 amps current carrying capacity copper bus bar insulated with colour coded heat shinkable sleeves with SMC/DMC insulators, complete with the following switch gears and mounting the panel board on ground with PCC (1:3:6) bedding upto a height of 45 cm above ground level, including dismantling and taking out old u/s LT Panel Board and remove from site reconnecting existing LT Cables with new panel board complete all as directed :-

M&L Earthing with Galvanised Earth Plate Electrode 600x600x 6mm thick burried directly in Ground (Earth Pit not less than 2.25 Metre below Ground Level) with Top edge of the Plate not less than 1.50 Metre below Ground Level, connected with Galvanised Earth Strip of size 25x6mm by means of Bolts, Nuts, Check Nuts and Washers of GI or Steel and connected Earthing Testing Point/Bus-bar including GI 40mm bore (dia) light grade Protection Pipe, Earth Plate surrounded by a packed thickness of Char Coal or Coke Dust mixed with Common Salt, Magneisum Sulphate (1 : 1 : 0.5) in alternate layers of not exc 150mm thick, PCC Pit in Cement Concrete 1:3:6 (20mm graded stone aggregate) and Pre-cast RCC Cover Slab of size 350x350x50 mm in Cement Concrete 1:2:4 (20mm graded stone aggregate), reinforced with 10mm dia TMT Bars @ 100mm Centre to Centre in both ways, GI Wire Mesh, Funnel with GI Watering Pipe 20mm bore (dia) medium grade including necessary Excavation in any type of Soil, Returning, Filling in and Removal of surplus Spoil upto a distance of 50.00 Metre and all as shown in Electrical Plate No. 3 of MES Schedule Part-I and Testing on Completion including taking down old unserviceable one, complete all as per specified and as directed.

(a) All Joints should be joined by Exothermic Welding or Brazing. (b) After completion of work earthing shall be tested by the contractor in presence of Engineer-in-Charge, User and proper record shall be maintained duly signed by all concerned. (c) Earth resistance tester shall be provided by the contractor. It should be caliberated from authorised company/ lab. (d) After testing if desired earth vesistance of less than 5 Ohm is not obtained, the earthing will be redone at no extra cost to Govt till desired result is obtained. (e) The length of the earth strip upto and including 7.5m is included in quoted rate.

eurekaenterprises

SARAVANARAJA CONSTRUCTIONS

NAVEEN ENTERPRISES

A.GOVINDARAJ

SAPTHAGIRI CONSTRUCTIONS

T C KARUNANITHI

KSR AND COMPANY