OUTSOURCING SERVICES FOR MANNING AND OPERATION OF SEWAGE TREATMENT PLANT TERRITORY PLANT AND PUMP HOUSE AND CONNECTED REPAIR WORKS UNDER AGE E_M MAINT AT INA EZHIMALA

Amount

Outsourcing of Manning and operation services to operate the sewage treatment with tertiary plant and DG sets in three shift of 8 hours each including Sundays and holidays to carryout the following nature of work:- (a) Each job consists of each shift of 08 hrs including Sunday and holiday. (b) Rate quoted shall deem to include each shift of 08 hrs by deploying two FGM in each shift. (c) The installation shall be run in three shift starting from 1st shift 0600 hrs to 1400hrs and 2nd shift 1400 hrs to 2200 hrs and third shift from 2200 hrs to 0600 hrs. (d) Maintenance and operation of sewage treatment plant and tertiary plant for trouble free running of the entire satisfaction of Engineer - in -Charge. (e) Maintenance and cleaning of the STP & tertiary plant including the equipments and its surroundings. (f) Spraying on sludge and screened material with legally permissible materials in order to prevent breeding of flies. (g) Assurance of proper operation of all units in STP . (h) Assurance of proper operation of all units in territory plant and also control filtration cycles within time duration for trouble free running of the sewage tertiary plant system (j) Checking of all electro mechanical systems daily in order to ensure proper working condition. (k) Testing the adequacy of all valves, gate valves and non return valves suction and delivery pipe lines, joints and arresting leakages if any in pipe ,control valves with in sewage treatment plant premises. (l) To maintain DG sets 125KVA installed at sewage treatment plant and to carry out routine maintenance of DG sets, regular checking of batteries of DG set and its maintenance. (m) To operate and preventive maintenance indoor /outdoor LT switch gears installed at sewage treatment plant and tertiary plant (n) To record log sheets, plant running record and other materials required as directed including provision of stationery as per samples approved by Engineer in - Charge.

Outsourcing of maintenance operation services to operate the 21 sewage well and 50KVA DG sets by deploying one FGM in two shift of 8 hours each including Sundays and Holidays for carryout out the following nature of works. (a) Each job consist of each shift of 08 hrs including Sunday and Holiday. (b) Rate quoted shall be for one shift of 08 hrs. (c) The installation shall be run in two shift starting from 1400 hrs to 2200 hrs and 22.00 to 0600 hrs. (d) To operate pump sets installed at pump house including suction and delivery valve and to carry out routine check of suction and delivery pipe lines, joints and arresting of leakages if any in pipes control valves of inside the pump house premises. (e) To operate and maintenance of DG sets installed at sub station located adjacent to pump house and to carry out routine maintenance of DG sets, regular checking of batteries of DG sets and its maintenance and accounting safe custody of FOL.FOL must be collected from the MES Store yard and pouring in to DG Sets. (f) To operate LT switch gears installed at sub station for pump house and inside of the pump house building. (g) To carry out preventive maintenance at regular intervals for LT panel and LT switch gears. (h) To record all Para meters connected with LT distribution system, pumping records in log books register all as directed. (j) Up keeping of sump, valve chambers etc clean and tidy. Cleaning includes clearing of all vegetation up to 3 metre all around sump and valve chambers including necessary tools required for cleaning (k) The rate quoted shall be deemed to include the cost of consumable items such as cotton waste and cleaning materials and collection and pouring diesel into DG sets

Collecting the waste water/effluent sample monthly from STP before and after treatment, sample handling, transporting to NABL accredited lab approved by authorities, and carry out the analysis of the following test according to the latest IS method :- (i) BOD (Bio chemical Oxygen Demand) (ii) COD (Chemical Oxygen Demand) (iii) TSS(Total Suspended Solids) (iv) Total dissolved solids (v) Turbidity (vii) pH

Outsourcing and maintenance operation services to operate the Under Ground Pump house near payara gate for arboriculture and golf course pump house and connected valves by deploying one FGM in general shift including Sundays and Holidays for carryout the following nature of works. (a) Each job consist of each shift of 08 hrs including Sunday and Holiday. (b) Rate quoted per job is for one shift of 08 hrs. (c) The installation shall be run general shift 0900 to 1700 hrs. (d) To operate pump sets installed at pump house including suction and delivery valve and to carry out routine check of suction and delivery pipe lines, joints and arresting of leakages if any in pipes control valves of inside the pump house premises. (f) To operate LT switch gears installed at sub station for pump house and inside of the pump house building. (g) To carry out preventive maintenance at regular intervals for LT panel and LT switch gears. (h) To record all Para meters connected with LT distribution system, pumping records in log books register all as directed. (j) Up keeping of sump, valve chambers etc clean and tidy. Cleaning includes clearing of all vegetation up to 3 metre all around sump and valve chambers including necessary tools required for cleaning. (k) The rate quoted shall be deemed to include the cost of consumable items such as cotton waste and cleaning materials etc.

Note of item No 1, 2 & 4:- (i) The tradesmen shall have minimum qualification of ITI passed in respective trade and shall wear approved uniform as directed by the Engineer - in - Charge while on duty. He shall be well conversant with preventive measures (first aid ) in case of electrical accidents and fire fighting systems. (ii) The unit rate quoted shall include cost of stationery required to maintain attendance register, log books and other registers. (iii) The unit rate quoted shall include cost of NABL testing monthly, consumable material such as chemical for the dosage, lubrication oil, grease, cotton etc. (iv) The contractor will prepare duty roster well in advance and yet it approved by Engineer - in- charge and one copy of the duty roster shall be displayed in the notice board. (v) Penalty for absent of person on duty shall be Rs. 1500/- per shift which will be deducted from the contractor and Absent period will not be measured in MB. Note applicable for all Items of BOQ:- If the lowest quoted amount is less than the estimated cost of the work mentioned in NIT, the lowest bidder will have to deposit FDR/BGB in favour of Accepting Officer within 7 (Seven) days of opening of Financial Bid for the difference in estimated cost and quoted amount. In case the said FDR/BGB is not submitted within stipulated period as mentioned above, the contractor shall be banned for 6 months and his bid will be rejected. FDR/GBG will be released only after completion of entire work and production of proof for the payment of wages to all the workers employed under the contract is not less than the minimum wages notified by the Central Govt./State Govt. whichever is more

Disconnecting the electrical connection and pipe line connection from existing position and lifting submersible sewage pump set from sewage well /sewage sump using chain pully for repairing / winding of motor /cleaning the blockages of pump set and lowering erecting the pump set in its position reconnecting the electrical connection / pipe line and trial running for ensuring functionality (Note:- repair/cleaning/winding will be measured and paid separately) of following capacity:

Decoupling the pump and motor. (Note:- Replacement of pump spares/winding will be measured and paid separately) . Dismantling of non-clog submersible sewage pump set and replacement of worn-out deep groove ball bearing 2 no's, impeller, mechanical seal 2 no's, shaft protection sleeve, gaskets and O-ring and topping of lubrication oil level. assembling the pump coupling and motor with correct alignment and testing complete of following capacity.

Decoupling the pump and motor. (Note:- Replacement of pump spares/winding will be measured and paid separately) . Dismantling 3 phase electric motor of non clog submersible sewage pump set removing burnt out winding wire from stator slots, cleaning, rewinding with super enamelled copper wire of existing gauge with proper insulation, varnishing and heating and re-assembling the same and testing complete of following capacity.

Dismantling of non-clog submersible sewage pump set removing the blockages inside of pump and cleaning of impeller and delivery mouth / line etc and assembling the same and testing complete of following capacity :-

Supply and fixing fully automatic star delta starter (FASD) 415volts 50Hz of following capacity including taking down of old material for following (Make;- L&T or Equivalent as approved by GE)

Material and labour for scraping existing old paint, preparation of sheet metal enclosure (LT Panel boards) , sewage pipe lines of different sizes , MS walk way support bridge, hand rails etc. of with one coat of primer and two coat of synthetic enamel pain complete as specified and as directed.

Repair of induction motor of 15 HP pump set. Note:- (a) Disconnection of electric cable from the terminal box of motor, Decoupling the motor from the pump, remove the motor from the foundation bed and taking out the motor and transporting to authorised work shop. (b) Dismantling the motor and taking out the burnt copper winding /fibre strip/insulating materials and worn out ball bearing-2 set. (c) Clean the stator slots by CTC solution and rewind on stator slots with super enamelled copper wire of existing gauge with insulating materials /fibre strip/varnishing and made terminal connection of fibre glass coated wire . (d) Re-metalling the shaft by lathe work and welding work for correct alignment for fixing of bearing . (e) Replacement of ball bearing -2 set. (f) Assembling the motor and painting with two coat of synthetic enamel paint over a coat of red oxide zinc chromate primer including removal of existing paint . (g) Replacing the burnt out gland rope, studs, nuts, bolts, washers rubber gasket, metal filling, turning/ grinding and balancing the shaft etc complete as specified and directed. by the Engr-in-charge.

Repair of induction motor of 12.5 HP pump set. Note:- (a) Disconnection of electric cable from the terminal box of motor, Decoupling the motor from the pump, remove the motor from the foundation bed and taking out the motor and transporting to authorised work shop. (b) Dismantling the motor and taking out the burnt copper winding /fibre strip/insulating materials and worn out ball bearing-2 set. (c) Clean the stator slots by CTC solution and rewind on stator slots with super enamelled copper wire of existing gauge with insulating materials /fibre strip/varnishing and made terminal connection of fibre glass coated wire . (d) Re-metalling the shaft by lathe work and welding work for correct alignment for fixing of bearing . (e) Replacement of ball bearing -2 set. (f) Assembling the motor and painting with two coat of synthetic enamel paint over a coat of red oxide zinc chromate primer including removal of existing paint . (g) Replacing the burnt out gland rope, studs, nuts, bolts, washers rubber gasket, metal filling, turning/grinding and balancing the shaft etc complete as specified and directed. by the Engr-in-charge.

Taking out sluice valves, refacing, regrinding including nut and bolts with washer and refixing of following sizes:-

300mm Bore

200mm Bore

100mm Bore

80mm Bore

Material and labour for repairing of valve chamber by means of taking down existing plaster and replaster in CM 1: 4. 15mm thick, 2 coat of white wash and one coat of synthetic enamel painting on steel surface of size 120 x 120x 120 cm of inner dimension complete as specified and as directed.

Material and labour for scraping existing old paint, preparation of surface and painting the compressor with electric motor 40 HP capacity of one coat of primer and two coat of synthetic enamel paint complete as specified and as directed.

Supply and fixing single phase preventor 415Volts 50Hz including taking down of old material complete as specified. Make L&T/C&S/Schneider

Disconnecting of electrical connection and dismantling of 3 HP induction motor from secondary clarifier mechanism, removing worn out winding wire from stator slots, rewinding with super enamelled copper wire of suitable gauge with proper insulation replacement of front and rear bearing, shaft protection sleeves, 'O' rings ,gasket, mechanical seal and impeller assembling and reconnecting of electrical connection the same as existing and testings complete as specified and as directed.

Supply and Laying flat submersible 1100 Volts grade, 3 core copper conductor PVC insulated and PVC sheathed cable of 6 Sqmm including taking down old materials complete as directed and directed. Make:- Finolex/Polycab/Havells

Disconnection of electric connection, Decoupling the 40 HP electric motor of twin lob positive display rotary compressor from its position removing worn out winding wire from stator slots, rewinding with super enamelled copper wire of suitable gauge with proper insulation assembling and coupling replacement of shaft protection sleeves, ball bearings, mechanical seal the same reconnection of electrical connection and testing complete as specified and directed

M&L for cleaning the Raw sewage RCC sump of size 7.15m X 3.5m X5.5m once in 11 months. The cleaning includes:- (a) Dewatering the sump with portable submersible pump. (b) Removal of left over dirty water and sludge with a special sludge removal pump. (c) Removal of remaining sludge from the floor with the help of industrial Vacuum Cleaner. (d) Spraying of Non-toxic, bio-degradable, eco-friendly anti-bacterial agent, to disinfect the tank from all harmful pathogens.

All as per item no. 21 above but sump size of 7.15m X 7.15m X 6m complete as specified and directed

M & L for cleaning of sewage well No -21 of size 3.5m X 2.5m X 10m once in 11 months of capacity 87500 litres.The cleaning includes:- (a) Dewatering the well with portable submersible pump. (b) Removal of left over dirty water and sludge with a special sludge removal pump. (c) Removal of remaining sludge from the floor with the help of industrial Vacuum Cleaner. (d) Spraying of Non-toxic, bio-degradable, eco-friendly anti-bacterial agent, to disinfect the tank from all harmful pathogens.

Supply and fixing MCCB 250 Amps, 3pole,415volt,50Hz,36 KA complete as specified and directed. Make:-L&T/Legrand/Havells.(fixed thermal magnetic type)

Supply and fixing MCCB 160 Amps, 3pole,415volt,50Hz,25 KA complete as specified and directed. Make:-L&T/Legrand/Havells. (fixed thermal magnetic type)

Supply and fixing MCB 100 Amps, TP ,230volt,50Hz,10 KA complete as specified and directed. Make:-Indoasian/Legrand/Havells.

Supply and fixing MCB 63 Amps, TPN ,230volt,50Hz,10 KA complete as specified and directed. Make:-Indoasian/Legrand/Havells.

Supply and fixing MCB 40 Amps, SPN ,230volt,50Hz,10 KA complete as specified and directed. Make:-Indoasian/Legrand/Havells.

Supply and fixing in replacement of Centric Butterfly valves wafer type PN1.0 as per BS-5155 &IS-13095 lever operated body grey cast iron disc -SGI Epoxy coated Disc seal-Nitrile/Epdm 250mm & 300mm in Gear operated of size 100mm bore, with all fittings confirming to IS specification complete as specified and directed.

Supply and fixing in replacement of 80 mm bore sluice valve with brass spindle ,nuts with brass ring ,flanged type of class PN 1.6 with all accessories to IS specification complete as specified and directed.

Supply and fixing in replacement of 100 mm bore sluice valve with brass spindle ,nuts with brass ring ,flanged type of class PN 1.6 with all accessories to IS specification complete as specified and directed.

Removing of filth/sludge and cleaning of aeration tank of size 25mx12.5mx4.5mdepth, of capacity of water 14 Lakhs litres of STP either manually or using infracture as the case may be. The filth/sludge is expected to be around one feet thickness at bottom of the tank. Dumping of filth/sludge which was removed from aeration tank by using their own vehicle/manpower at designated place /dump yard with proper approach and in consultation with Engr-in-charge so that the vehicle carrying filth/sludge can reach easily. Notes:- (a) The Filth/sludge well be lifted from tank and loaded and unloaded in their own vehicle by using their own tools and machineries and will be unloaded at the designated place properly. (b) After removing of filth/sludge and cleaning of above aeration tank the same will be provided dully drained of water. (c) Rates for all equipment ,manpower, vehicle and safety equipments required to complete the job is deemed to be quoted in the rates. (d) Any damage done to the structure of piping or any equipment contractor will be sole responsible to replace the same with identical. (e) Work will not be permitted to commence without safety gears and equipment to the workers for where Engr-in-charge will give go ahead to commence the work.

Comprehensive maintenance and calibration to Multiparameter analyser – 1 no, Chlorine analyser – 1 no, Electromagnetic flow meter – 1 no, Open channel flowmeters – 2 nos, Level Radar transmitters – 2 nos, DO meters – 2 nos. Complete all as specified and directed by Engr-in-charge. NOTSE: (i)Calibration and maintenance of all instruments at site (ii) Attending to faults in instruments /systems within time. (iii) Providing Calibration certificates for the instruments once in a year. (iv)cost of spare parts required for operation of above equipment are included (v) Sulphuric acid and DM water to be maintained for proper operation of Multi Parameter Analyser.

Comprehensive maintenance to filter press machine (for sludge dewatering ) of capacity 25m3/hr installed at STP - 02 no's for separating the solid sludge and water by pressing with hydraulic motors of capacity-1.5HP , shutter open/close operating motor-1HP with connected gear box, filter beds with membranes and pneumatic operated double diaphragm sludge feed pumps with pneumatic control panel and accessories Complete all as specified and directed. NOTS: (i) Repair/replacement of bearing , rewinding and blockage hydraulic motors of capacity-1.5HP (ii) Shutter open/close operating motor-1HP with connected gear box (iii) Filter beds with membranes-24 Nos (iv) Gear box lube oil - lot (v) overhauling of pneumatic operated double diaphragm sludge feed pumps 3m3/hr at 60mwc (vi) repair/replacement of direct drive with butterfly valve, NRV valve and pressure gauges at outlet of each pump (viii) Repair of pneumatic control panel and connected accessories

Repair/ overhauling of stationary silenced belt driven 7.5KW air compressor with integrated refrigeration dryer for operating of filter press and filter feed pumps. Complete all as specified and directed by Engr-in-charge.

Disconnection of electric connection, Decoupling the Air blower of capacity 380 m3/hr @ 7.0mwc head electric motor of twin lob positive display rotary compressor from its position removing worn out winding wire from stator slots, rewinding with super enamelled copper wire of suitable gauge with proper insulation assembling and coupling replacement of shaft protection sleeves, ball bearings, mechanical seal the same reconnection of electrical connection and testing complete all as specified and directed by Engr in charge.

Disconnection of electric connection, Decoupling the Air blower of capacity 120 m3/hr @ 7.0mwc head electric motor of twin lob positive display rotary compressor from its position removing worn out winding wire from stator slots, rewinding with super enamelled copper wire of suitable gauge with proper insulation assembling and coupling replacement of shaft protection sleeves, ball bearings, mechanical seal, pullies, belts, belt cover inbuilt NRV, butterfly valves and pressure gauges and the same reconnection of electrical connection and testing complete all as specified and directed by Engr in charge.

Comprehensive maintenance to effluent treatment plant of 15 KLD capacity located at Cadets laundry consisting equalisation tank with effluent transfer pumps-02 nos, tube settler with sludge transfer pump-02nos and centrifuge motor, Dual media filter tank, Activated carbon filter tank and Sand filter tank with treated water pumping motors-02nos,Dosing pumps(Chlorine, lime and polyelectrolyte)-03nos , connected pipe lines and required quantity of chlorine, Lime, Polyelectrolyte chemical complete all as specified and as directed. NOTES:(i) One person should be available full time to attend the defects within time. (ii) cleaning of equalisation tank ,tube settler and bar screen chamber once in 11 months - 01nos (iii) Repair/overhauling of effluent transfer pumps and connected accessories twice in 11 months-02nos (iv) Repair/overhauling of sludge transfer pumps and connected accessories twice in 11 months -02 no's (v) Repair/overhauling of pressure filter pumps and connected accessories twice in 11 months- 02nos (vi) Repair/overhauling of sludge centrifuge motor and connected accessories once in 11 months (vii) Replacement with new media in Dual media filter (DMF) once in 11 months-01nos capacity 15KLD (viii) Replacement with new Activated carbon, bubbles, pebbles in Activated carbon filter tank (ACF) once in 11 months-01nos capacity 15KLD (ix) Replacement with coarse fine sand, pebbles, gravels, bubbles ,pebbles in sand filter tank once in 11 months-01nos capacity 15KLD (x) Repair/overhauling of air blower including belt, belt cover, pump, pressure gauges and connected accessories thrice in 11 months (xi) Repair to flow meter installed at ETP for inlet flow once in 11 months (xii) Repair / Replacement of dosing pumps for(polyelectrolyte, lime, chlorine) once in 11 months (xiii) Supply of chlorine solution, lime and polyelectrolyte of required qty - LS (xiv) Repair/Replacement of Multi pot valve - 03nos each (xv) Repair/Replacement of control panel consisting of MCB's of different capacity (incoming & outgoing), Relays and contactors

Comprehensive maintenance to effluent treatment plant of 15 KLD capacity located at station laundry consisting equalisation tank with effluent transfer pumps-02 nos, tube settler with sludge transfer pump-02nos and centrifuge motor, Dual media filter tank, Activated carbon filter tank and Sand filter tank with treated water pumping motors-02nos,Dosing pumps(Chlorine, lime and polyelectrolyte)-03nos , connected pipe lines and required quantity of chlorine, Lime, Polyelectrolyte chemical complete all as specified and as directed. NOTES: (i) One person should be available full time to attend the defects within time. (ii) Cleaning of equalisation tank ,tube settler and bar screen chamber once in 11 months - 01nos (iii) Repair/overhauling of effluent transfer pumps and connected accessories twice in 11 months-02nos (iv) Repair/overhauling of sludge transfer pumps and connected accessories twice in 11 months -02 no's (v) Repair/overhauling of pressure filter pumps and connected accessories twice in 11 months- 02nos (vi) Repair/overhauling of sludge centrifuge motor and connected accessories once in 11 months (vii) Replacement with new media in Dual media filter (DMF) once in 11 months-01nos capacity 15KLD (viii) Replacement with new Activated carbon, bubbles, pebbles in Activated carbon filter tank (ACF) once in 11 months-01nos capacity 15KLD (ix) Replacement with coarse fine sand, pebbles, gravels, bubbles ,pebbles in sand filter tank once in 11 months-01nos capacity 15KLD (x) Repair/overhauling of air blower including belt, belt cover, pump, pressure gauges and connected accessories twice in 11 months (xi) Repair to flow meter installed at ETP for inlet flow once in 11 months (xii) Repair / Replacement of dosing pumps for(polyelectrolyte, lime, chlorine) once in 11 months (xiii) Supply of chlorine solution, lime and polyelectrolyte of required qty - LS (xiv) Repair/Replacement of Multi pot valve - 03nos each (xv) Repair/Replacement of control panel consisting of MCB's of different capacity (incoming & outgoing), Relays and contactors

pk janardhanan

General Engineering and Constructions

ANAND REFRIGERATION

S. M. Enterprises

SHREE SAI LABOUR CONTRACT CO-OPERATIVE SOCIETY LTD