PERIODICAL SERVICE/MAINT/REPAIR OF SEWAGE TREATMENT PLANT OF CAPACITY 0.5 MLD, FIRE FIGHTINING SYSTEMS OTHER MISC WORKS AT DOMESTIC ANDTECHNICAL AREA AND SEWAGE TREATMENT PLANT OF CAPACITY 1 MLD, FIRE FIGHTINING SYSTEM AND OTHER MISC E/M WORKS

Amount

SCHEDULE A BOQ

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 copper 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 Engr-in-Charge. Make : Kirlosker Location : Old Kalpa & Mehra Note: The replacement of spares will be measured and paid separately as supply only. However, cost of labour for replacement is deemed to be included in the unit rate quoted.

Supply only Coil wound set with class "F" insulation

Supply only Mechanical seal lower

Supply only Mechanical seal upper

Supply only Fastner Set

Supply only "O" Ring & gasket set

Supply only Ball Bearing Set

Supply only Rotor rework with S.P Sleeve with balancing

Supply only Impeller balancing work.

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.

(ii) De-watering by high pressure submersible pump.

(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) Cleaning and other operations as specified above 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 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 : Kirloskar

Supply only Coil wound set with class "F" insulation

Supply only Ball Bearing Set

Supply only "O" Ring & gasket set

Supply only Fastner Set

Supply only Mechanical seal lower

Supply only Mechanical seal upper

Supply only Rotor rework with S.P Sleeve with balancing

Supply only Impeller balancing work.

Supply and fix MBBR Media in the Bio culture tank of STP Plant. Make : ION Exchange Cat No. MB1622 or its equivant as approved by GE complete all as specified and directed

Excavating in trenches n. exc. 1.5m wide and n. exc. 1.5m in depth for foundation etc. or for shafts, wells, cesspits, manholes, pier holes etc. n. exc. 10sq.m. on plan and n. exc. 1.5m in depth and getting out in hard/ dense soil all as specified. Note : Only manual excavation will be allowed inside technical area.

Returning, filling in including spreading leveling watering and well ramming in layers not exc 25cm in any type of soil complete all as specified and as directed.

Removing excavated materials to a distance not exc. 50m and depositing where directed at a level n.exc 1.50m above the starting point complete all as specified and as directed.

Supply and fix rubber gas kit for flange to arrest water leakage in fire hydrant pipe line complete all as specified and as directed.

Supply commissioning and lowering of 3 phase Sewage submersible cutter pump(non clogged type) of capacity 3 HP, 415 Volts head 17 to 25 mtr including lifting up old unserviceable pump duly disconnecting electric and plumbing work complete all as specified and directed

S & F Butterfly valves of 65mm bore including joints with rubber gasket and jointing materials bolts, nuts, washers, including taking out existing unserviceable butterfly valve complete all as specified and directed

Supply and fix in repair Water level sensor (ISI mared) complete all as specified and directed.

Supply and fix of Automatic control panel board suitable for 3 to 5HP sewage cutter pump and water level sensor including with suitable starter auto control board voltmeter, ammeter, timer, overload relay , contactors and auto manual control switch made of CRCI sheet double door including with suitable accessories and fixing arrangement including taking down existing old panel complete all as specified and directed.

Supply and fix in repair of cast iron water check valve of size 2" dia complete all as specified and directed. Make :- kartar or equivalent

Supply and fix in repair of cast iron water check valve 1 1/2" dia complete all as specified and directed. Make:- kartar or equivalent

Supply and fix in repair of Pressure gauge 0 to 6 bar glycering type complete all as specified and directed.

Supply and fix in repair of Pressure gauge 0 to 1 bar glycering type complete all as specified and directed.

Supply and fix in repair of Non return valve 2" dia complete all as specified and directed. Make :- L&T or equivalent

Supply and fix in repair of Non return valve 1 1/2" dia complete all as specified and directed. Make :- L&T or equivalent

Supply and fix in repair of Diaphram valve 25 mm dia complete all as specified and directed.

Supply and fix in repair of Diaphram valve 50 mm dia complete all as specified and directed.

M & L 300 mm dia core cutting through RCC wall with 450 mm width, and provision of 300 mm dia pipe 1 mtr long HDPE pipe including water proof plastering testing and commissioning complete all as specified and directed.

Note for Item No 39 :- HDPE pipe shall be measured and paid seperately under relevent item here in after

Supply & fix in repair HDPE pipe of size 300 mm bore through RCC wall complete all as specified and directed.

Supply and laying copper cable of size 6 sqmm 3 core suitable for submersible pump including taking down existing cable complete all as specified and directed.

Comprehensive maintenance /repair of sewage treatment plant capacity of 0.05 MLD, 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 – 01 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

(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.

(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.

Comprehensive maintenance/repair of sewage treatment plant of capacity of 1 MLD, the plant comprising of the following assets :- Main collection tank of 2,00,000 ltr capacity, submersible sewage cutter pump of capacity 7.5HP 3 phase 415V-02 No, Air compressor 15HP 3 phase 415V-03 No, treated water monoblock pump set 15HP 3 phase 415V-02 No, treated water submersible type motor 7.5HP 3 phase 415V-02 No, clarifier motor and gear 02HP 3 phase 415V-01 No, Activated carbon filter tank with assembly-01 No, sand filter unit-01 No, settling tank-01 No, Aeration tank-02 No, treated water sump of 5000 ltr capacity-01 No, chlorine tank of 20000 ltr capacity -01 No, secondary clarifier-01 No, sludge drying bed divided into 04 No compartment-01 No, PLC based fully automatic SCADA panel-01 No, motorised valve 100 mm-04 No, LT panel with motor controller-01 No, Recycling pump 5HP,3phase, 415 volts-02 Nos and other civil structures/ chambers, connected equipments, control panel board and 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 ACF 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 residual is below 0.2 ppm. (j) MLSS growth – to be checked in aeration tank and equalization tank for proper growth

(III) The following weekly maintenance to be carried out :- 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 flow and if any malodour,it is to be treated. 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 water level in grease trap and if required top up with clean cold water. vi) Grease the bearings (vii) Grease all chain couplings through casing nipples. (viii) Drain out and replace gearbox oil of superior quality (ix) Check holding plate bolts. (x) Check shaft for wear and alignment. (xi) Check bearings for wear and tear and check holding down bolts for tightness. (xii) Check chain coupling and check bolts for tightness.

(IV) The following monthly maintenance to be carried out :- Aerator MUST BE SWITECHED OFF during monthly maintenance procedures. 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. viii) Preparing and submitting monthly report on performance of the plant. ix) Sludge disposal outside the MD land atleast once in a month. x) Check and calibrate the instruments including on line monitor and submit report. xi) Check dozing pump and repair/service if necessary.

(V) The following items for routine maintenance shall be provided in plant :- (a) Liquid chlorine with suitable % of chlorine concentration as recommended by manufacturer - 350 ltrs per month (b) Urea - 250 kg per month (c) DAB - 200 kg per month (d) Bio culture - 60 kg per month (e) Cow dung - 500 kg per month (f) Deforming chemical - 30 ltr per month (g) INDI foam 3000 - 60 ltr per month (h) Sercon 203 - 45 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. (j) Contractor shall ensure the filter media particles are upto the level in ACF and MGF. If the quantity level reduces due to loss during filtration and back wash, the same should be toped up during routine maintenance.

(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 5. Coliform Daily 6. Residual chlorine Daily 7. Dissolved oxygen Daily

(b) To provide technical support for comprehensive maintenance of STP, the contractor shall enter MOU with the OEMs. No additional payment on this account shall be made to the contractor by the department.

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

(d) The comprehensive maintenance of STP plant of MBBR will be carried out through authorised rep of the OEM's only under the supervision of contractor and the Engineer-in-Charge. The authorised service agency of OEM shall be responsible to provide 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.

(e) OEM or their authorised service centre shall employ round the clock minimum 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.

(f) Arrangement for testing of COD, BOD, TSS, Disolved Oxygen, PH values shall be done by the contractor for performance monitoring of parameters on a regular basis.

(g) Service Engineer of OEM shall visit 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 contractor shall be fully responsible for maintaining the STP in operational condition in consultation with the Engineer-in-Charge.

(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 there of 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.

(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 date 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.

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 copper 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 : Gulmohar Collection Sump Note: The replacement of spares will be measured and paid separately as supply only.However, cost of labour for replacement is deemed to be included in the unit rate quoted.

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.

Disconnecting electric connection and taking out centrifugal monoblock pump capacity 5 HP, 3 Phase, 415 volt, 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 copper 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 : Gulmohar STP Note: The replacement of spares will be measured and paid separately as supply only.However, cost of labour for replacement is deemed to be included in the unit rate quoted.

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.

Disconnecting electric connection and taking out centrifugal monoblock pump capacity 7.5 HP, 3 Phase, 415 volt, 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 copper 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 : Kirloskar Location : Gulmohar STP Note: The replacement of spares will be measured and paid separately as supply only.However, cost of labour for replacement is deemed to be included in the unit rate quoted.

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.

M&L for repair/maint of Sand Filter of 0.5 MLD Sewage Treatment Plant, including replacing of sand & silex by opening top cover of sand filter tank and removing used sand and silex from Sand Filter Tank and washing/ cleaning the tank neatly & properly, and re- filling with new Fine Sand, Coarse Sand, Fine Silex and Coarse Silex in proper layers as per requirment and closing top cover of the Sand Filter Tank properly and check all connections complete all as directed by Engineer-in-Charge.

M&L for repair/maint of Activated Carbon filter of 0.5 MLD Sewage Treatment Plant, including replacing of Carbon by opening top cover of Carbon filter tank and removing used old Carbon from Carbon filter tank and washing/ cleaning the tank neatly & properly ,and re- filling with new Activated Carbon as per requirment and closing top cover of the Carbon filter tank properly and check all connections complete all as directed by Engineer-in-Charge

M&L for repair/maint of Sand Filter of 1 MLD Sewage Treatment Plant, including replacing of sand & silex by opening top cover of sand filter tank and removing used sand and silex from Sand Filter Tank and washing/ cleaning the tank neatly & properly, and re- filling with new Fine Sand (400 Kgs), Coarse Sand(1500Kgs), Fine Silex(400kg) and Coarse Silex( 400 Kgs) in proper layers as per requirment and closing top cover of the Sand Filter Tank properly and check all connections complete all as directed by Engineer-in-Charge.

M&L for repair/maint of Activated Carbon filter of 1 MLD Sewage Treatment Plant, including replacing of Carbon by opening top cover of Carbon filter tank and removing used old Carbon from Carbon filter tank and washing/ cleaning the tank neatly & properly ,and re- filling with new Activated Carbon 900 IV (625 Kg) as per requirment and closing top cover of the Carbon filter tank properly and check all connections complete all as directed by Engineer-in-Charge

M & L for Comprehensive maint and analysing deffects in firefighting system comprising of the following accessories and rectification of minor deffects than bring back to its orginal working conditions :- (a) Fire pump of capacity 60 HP/ 45 KW, 3ph, 415 volts - 01 No (b) Jockey pump 7.5 HP/ 5.5 KW, 3ph, 415 volts - 01 No (c) Diesel driven pump 68 HP/ 52 KW, 137 Cum/Hr discharge (d) Indoor floor mounted electric panel board with switch gears, auto control panel, SCADA panel, pressure gauges for automatic operation of fire pumps, fire hydrants. (e) Sprinkers system. (f) Internal Hydrant system consisting of hydrant valve of oblique pattern, steel cabinet of size 1300x900 mm consisting of 2 x RRL hose reel 15 mtr, 1 x Gun metal branch pipe short length, 1 x CP hose reel of 36 mtr with shut off valve - 12 Nos (g) Fire pipes of ERW MS of sizes upto 150mm dia with control valves and NRVs, pressure gauges, etc - as installed (h) 2 Way fire brigade inlet connectioin - 12 Nos Location – SRE Premises

M & L for comprehensive maint and analysing any minor defects in firefighting system comprising of the following accessories carryout repair/rectification by using minor parts and bring back to its orginal position :- (a) Fire pump of capacity 120 HP/ 90 KW, 3ph, 415 volts - 01 No (b) Jockey pump 15 HP/ 10.50 KW, 3ph, 415 volts - 01 No (c) Diesel driven pump 149 HP/ 110 KW, 170 Cum/Hr discharge (d) Indoor floor mounted electric panel board with switch gears, auto control panel, SCADA panel, pressure gauges for automatic operation of fire pumps, fire hydrants. (e) Sprinkers system. (f) Internal Hydrant system consisting of hydrant valve of oblique pattern, steel cabinet of size 1300x900 mm consisting of 2 x RRL hose reel 15 mtr, 1 x Gun metal branch pipe short length, 1 x CP hose reel of 36 mtr with shut off valve - 12 Nos (g) Fire pipes of ERW MS of sizes upto 150mm dia with control valves and NRVs, pressure gauges, etc - as installed (h) 2 Way fire brigade inlet connectioin - 12 Nos Location – LCA Premises

M & L for Comprehensive maint and analysing deffects in firefighting system comprising of the following accessories and rectification of minor deffects than bring back to its orginal working conditions :- (a) Fire pump of capacity 75 HP/ 55 KW, 3ph, 415 volts - 01 No (b) Jockey pump 10 HP/ 7.5 KW, 3ph, 415 volts - 01 No (c) Diesel driven pump 68 HP/ 52 KW, 137 Cum/Hr discharge (d) Indoor floor mounted electric panel board with switch gears, auto control panel, pressure gauges for automatic operation of fire pumps, fire hydrants. (e) Sprink less system. (f) Internal Hydrant system consisting of hydrant valve of oblique pattern, steel cabinet of size 1300x900 mm consisting of 2 x RRL hose reel 15 mtr, 1 x Gun metal branch pipe short length, 1 x CP hose reel of 36 mtr with shut off valve - 10 Nos (g) Fire pipes of ERW MS of sizes upto 150mm dia with control valves and NRVs, pressure gauges, etc - as installed (h) 2 Way fire brigade inlet connectioin - 10 Nos Location – DWR Premises & ATC Bldg

Note for item No 77 & 78 :- (a) (i) The contractor shall make AMC contract with the original manufacturer or authorised reputed service provider of firefighting systems and arrange their visit periodically as specified in the schedeule. (ii) The repairs/maintenance shall be carried out through the original manufacturers or authorised reputed service provider of fire fighting system only. (b) Checking oil level in diesel engine, top up if necessary and rectify leakages in system is the responsibility of the contractor. (c) Tightening of nut and bolts. (d) Checking of all electrical connections for the inproper tightness incl checking of charging alternator and battery clamps. (e) Supply and greasing in all grease points. (f) Checking all fire hydrants and ensure smooth function, if found leaking of water arrest the leakages. (g) Checking all pumps glands and if required to replace the gland packing rope. (h) Check all motors for its proper function, if any major defect it should be informed to Engr-in-charge in writing. (i) Test run of complete system is to be carried out once in a month in presence of MES & Air Force reps. (j) Check all pump pressure and maintain required pressure. (k) The rate quoted shall be deemed to include for carried out all repairs to fire fighting system noticed during the period by providing materials and labour. (l) Contractor is responsible to ensure presence of required water pressure in the system always as directed by the Engineer-in-Charge. (m) The hydrants are installed in scattered locations around 3 sqkm area, nothing extra will be allowed in this respect. (n) The contractor is liable to arrange the AMC team in any time on emergency.

S&F Non return valve gun metal (ISI marked), PN 1.6 for 150mm dia bore pipe, including taking out old and removal, complete all as specified and directed. Make: Kirloskar/SANT/Zoloto.

S&F Fire hydrant landing valve gun metal, type A (Single head outlet) of 63 mm bore conforming to IS-5290 complete including taking down existing one all as specified and directed.

Supply and fix in repairs fire hydrant valve single headed 63mm dia, with ISI marked complete all as specified and directed.

Supply and fix in repairs RRL hose type-A suitable for fire hydrant 63mm dia, 30 mtr with ISI marked complete all as specified and directed

S&F Butterfly valves of 100mm bore including joints with rubber gasket and jointing materials bolts, nuts, washers, including taking out existing unserviceable butterfly valve complete all as specified and directed.

Supply and fix in replacement of non return sluice valve 150 mm dia fixed on ERW MS fire fighting pipe line complete all as directed.

Labour for pressure testing of existing 150/80/50 mm DI/MS fire main system , identifying for leakages for rectifications including replacement of gland packing of sluice valves, rubber insertion packing, nut, bolts etc of flanged joints/ defective flanges etc complete for making the system leak proof complete all directed by Engineer-in-charge. Note : (a) The rate quoted is deemed to be inclusive of T&P required such as air compressor etc for pressure testing (b) The pressure testing procedure of fire fighting system shall be done as per manufacturer's recommendations all as specified and directed.Location :- LCA, ATC Bldg, SRE, DWR

Complete inspection, servicing, cleaning, oiling, greasing of following pumps/ valves/ connections complete with electrical/ engine, Diesel engine set making complete system functional including drainout used oil & replace Lub oil 20 W40 upto mark level, replace primary and secondary fuel filter element and Lub oil filter element of suitable size, replacement of old silenser suction bent pipe, head cleaning, tapet setting complete all as specified and directed by Engineer-in-Charge. Note :- Complete inspection, servicing, cleaning, oiling and greasing and above mentioned works of each item will be paid and measured separately as per the requirement at site

Jockey Pump 10 HP

Diesel Pump alongwith DG Sets 68 HP

Main Pump of capacity 75 HP

Dismantle all switch gears and other accessories from fire fighting control panel board, dusting out, cleaning with carbon tetra chloride and ensure proper decarbonizing complete, re-wiring with new copper wires of suitable size of 10 sqmm, 6 sqmm, 4 sqmm and 2.5 sqmm with connecting lugs for switch gears and contols of main fire pump, jockey pump and diesel engine battery charging wires, incommer MCCB, etc, all as directed at site by the Engineer-in-Charge including re-installation of same panel board on floor, PCC work with 1:2:4 grade for grouting work, welding work as required, including scrapping of old painting on panel by wire brush and providing one coat of red oxide and two coat of synthetic enamel fire red colour paint through spray painting complete including refixing the following items at the original position:-

M & L for painting of unserviceable cabinet of size 600 x 600 x 250 mm for housing of hose pipe real of existing gauge and size applying two coat of red paint on outer side and two coat of white paint in inner side in site as directed by Engineer-in-Charge.

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

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

Supply and fix in repair of unserviceable iron sheet external cabinet made out of 18 gauge MS sheet of existing size 1000mmx1300mmx900mm on angle iron frame made out of 25x25x5mm and with 5.5 mm thick tougnened glass door and locking arrangement to accommodate firefighting arrangements like Reinforced rubber lined hose reel 63mm dia of length 15mtr-2Nos and Gunmetal Branch Pipe short length-1No, First aid Fire Hose Reel 25mm dia of 36 mtr length-1No painting with two coat of synthetic enamel paint of fire red colour over a coat of red oxide primer on steel surfaces for external and internally complete all as specified and directed by Engineer-in-charge. Loc- LCA

S&F Single hydrant stand post made of MS pipe of size 80 mm bore heavy grade, 1.50 m height with 90°, duck foot bend both end flanged and including welding if required to suit single fire hydrant valve and testing complete including taking down existing one all as specified and directed by Engineer - in - Charge.

S&F Pressure gauge 8" dial 0-14 Kgs rating including removing of old unserviceable guage complete all as specified and directed. Loc- LCA Make : Micro/ Fiebag/ Mamometer.

S&F Reinforce rubber line hose reel 63mm dia and 15 mtr length as per standard specification including taking down existing one complete all as specified and directed. Loc- LCA

Dismantle all switch gears and other accessories from fire fighting control panel board, dusting out, cleaning with carbon tetra chloride and ensure proper decarbonizing complete, re-wiring with new copper wires of suitable size of 10 sqmm, 6 sqmm, 4 sqmm and 2.5 sqmm with connecting lugs for switch gears and contols of main fire pump, jockey pump and diesel engine battery charging wires, incommer MCCB, etc, all as directed at site by the Engineer-in-Charge including re-installation of same panel board on floor, PCC work with 1:2:4 grade for grouting work, welding work as required, including scrapping of old painting on panel by wire brush and providing one coat of red oxide and two coat of synthetic enamel fire red colour paint through spray painting complete including refixing the following items at the original position:-

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 32x6mm (upto 7.5m length) 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 Soft/Loose 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.

Note for item No: 101 (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 resistance of less than 5 Ohm is not obtained, the earthing will be redone at no extra cost to Govt till desired result is obtained.

S&F in repairs Galvanised earth strip of size 32 x 6mm fixed on proper post insulator at the instrument end complete all as specified and directed.

S&F CI foot valve 100mm dia to suction line of exisiting pumping set with bolts, nuts, rubber packings, etc including taking out old unserviceable one by dismantling suction pipe from pump set all as specified and directed.

S&F CI foot valve 150mm dia to suction line of exisiting pumping set with bolts, nuts, rubber packings, etc including taking out old unserviceable one by dismantling suction pipe from pump set all as specified and directed.

Supply and fix in replacement of fire brigade inlet connection 2 way with isolating valve and instataneous gun metal coupling 100/80/63 mm dia including with all accessories complete all as specified and directed.

Attending complaints in fire hydrant system whenever required for rectification of deffects and breakdown in starter panel, pumps, pipe line total fire fightining system by deploying well knowledge technicean of OEM/authorised service center bring it to working conditions complete all as specified and directed by Engr-in-Charge.

Supply and lay in replacemnt of M S Pipes of size 150 mm bore, Heavy grade, including flange, welding, gaskit etc conforming to IS: 1239 Part-1 (2004) with all fittings laid in floors or fixed to walls and ceilings etc including taking down existing pipe complete all as specified and directed.

Supply and lay in replacemnt of M S Pipes of size 100 mm bore, Heavy grade, including flange, welding, gaskit etc conforming to IS: 1239 Part-1 (2004) with all fittings laid in floors or fixed to walls and ceilings etc including taking down existing pipe complete all as specified and directed.

Supply and lay in replacemnt of M S Pipes of size 80 mm bore, Heavy grade, including flange, welding, gaskit etc conforming to IS: 1239 Part-1 (2004) with all fittings laid in floors or fixed to walls and ceilings etc including taking down existing pipe complete all as specified and directed.

Comprehensive maintenance/ repair of Ultra filteration,Tertiary sewage treatment plant (0.5 MLD), the plant comprising of the followings :- PLC based fully automatic Ultra filteration system, suitable for maximum feed flow rate of 3.75 cum/hr and 80% recovery with 8 inch membranes - 02 Nos, Feed pump 4 cum/hr 3 phase, 1.5 HP rating, Ultra Filteration back flush centrifugal pump 25 mtr head, 50 LPM, 3 phase 1.5HP rating, Hcl dozing system with pump capacity 6 LPH single phase 0.5HP rating with auto level control and sychronised with PLC, NaOH dozing system with pump capacity 6 LPH single phase 0.5HP rating with auto level control and sychronised with PLC, NaOCl dozing system with pump capacity 6 LPH single phase 0.5HP rating with auto level control and sychronised with PLC, Instrument air line to Ultra Filteration panel 5.5 to 6.0 Kg/Sqcm, Air compressor of pressure 7 Kg/sqcm capacity 2 HP, 3 CFM with tank of capacity 160Ltrs complete with control panel board complete.

(i) The quality of water input and output shall be maintained as under:- (A) The quality of sewage treated water from STP to be supplied:- (a) Turbidity 15 NTU (b) BOD: 15 PPM (c) COD: 60PPM (d) Feed Flow rate 3.75 cum/hr

(B) The quality of treated water After tertiary Treatment:- (a) TSS : less 5 mg/Ltr (b) Turbidity -Less than1 NTU (c) BOD : Less than10mg/Ltr (d) COD : Less than 30mg/Ltr (e) Oil & Grease less than 10mg/Ltr (f) Output 3.0cum/hr

(ii) The following Daily Maitnenace to be carried out in ultra filteration plant :- (a) Treated water (STP) chamber and foot valve should be cleaned every day to ensure that it’s not chocked (b) Cleaning of Oil & Grease trap. (c) Routine maintenace of the pumps ie., Treated water feed pump,Chemical wash feed pump, Filtered water feed pump including greasing and lubricating . (d) Maintain disinfection liqvid in Hcl , NaOH & NaOcl dozing system. (e) Cleaning chemical Back wash & rinse simultaneously. (f) Check pre- filters and cleaned properly. (g) Check air compressor oil level & tightening of belt, If necessary replace it. (h) Check auto level sensor and cleaned properly

(iii) The following weekly maintenance to be carried out in Ultra filteration plant:- (a) Inspect chemical dozing tanks and STP treated water tank & filtered water tank. (b) Grease all bearings. (c) Grease all chain couplings through casing nipples. (d) Drain gearbox oil and replace also check holding plate bolts. (e) Check shaft for wear and alignment. (f) Check bearings for wear and tear and check holding down bolts for tightness.

(iv) The following monthly Maintenace to be carried out in Ultra filteration plant :- (a) Check motor for overheating (by touch) and remove dust etc. from air fins. (b) Grease all bearings through nipples. (c) Grease all couplings through casing nipples. (d) Check oil level in Air compressor and top up if necessary. (e) Apply light lubricating oil in small quantities to locks and hinges (f) Check all comressed air release valves should be cleaned and oiled. (g) Check and calibrate the instruments including on line monitor and submit report (h) Check dozing pump and repair/service if necessary (j) Cleaning of all chemical back wash storage tank, Ultra filteration treated water tank on periodically

(v) The following items for routine maintenance shall be provided in the plant :- (a) Hypo - 45 Ltrs per month (b) HCL - 09 Ltrs per month (c) NaOH - 15 Ltrs per month (d) Membranes - 02 Nos per year (e) Lab chemicals - 01 Lot per month (f) Safety Gadgets (Gloves, Eye Glass, Helmets, Safety Jackets) as per requirements. (g) Cleaning Chemicals - 10 Ltrs.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 compressor (d) Minor electrical accessories viz Indication lamps, fuses etc. (e) Blades (f) Consumables respirators etc (g) Reagents, Lubricants etc (h) Pasting materials.

(i) The tenderer shall visit the site/ plant before quoting the tender.

(ii) The contractor shall made a MOU with the original manufacturer of the plant or their authorised service centre to undertake the comprehensive maintenance of Ultra Filtration Plant work within 7 days from the date of commencement of work. On this account no additional payment shall be made to the contractor by the department. The copy of the MOU shall be submitted to GE.

(iii) The comprehensive maintenance of filtration plant 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.

(iv) OEM or their authorised service centre shall employ skilled and experienced one technician having sound knowledge in the Filtration Plant to operate the plant, carryout water analysis checks through approved Laboratory and monitor the performance of the pant 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

(v) 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.

(vi) The contractor shall be fully responsible for maintaining the plant in operational condition in consultation with the Engineer-in-Charge.

(viii) 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.

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

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

(xi) 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 for item 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 plant in operational condition.

(xii) Water Sample Analysis :- The quality sewage treated water supplied to tertiary filter and the quality of treated water after screen filter of COD, BOD, TSS, Turbidity, oil & Grease on monthly once tested in Approved Lab & test report submitted to Engineer-in-Charge.

(xiii) Provide periodic monthly summary reports to Engineer-in-Charge highlighting the performance, trends, identifying the problem areas and suggestions for improvement.

(xiv) Surface dressing & removing of accumulated earth of any width and depth up to 15 cm around 3 mtrs radious cleaning/ cutting the grass around the installation and removing the grass waster to outside MD.

(xv) 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.

p.chinnasamy (BID ID -3440323)

pk janardhanan (BID ID -3440355)

KRISHNA ENTERPRISES (BID ID -3440180)

eurekaenterprises (BID ID -3440422)

NLK Construction (BID ID -3440979)

Lucky Enterprises (BID ID -3439733)

D.R ASSOCIATES (BID ID -3440912)