OUT SOURCING FOR MAINTENANCE AND OPERATION OF SEA SURVIVAL UNIT SEWAGE PUMPS AND REPAIR MAINTENANCE OF RO PLANT AT INS KALINGA BHEEMUNIPATNAM VISAKHAPATNAM

Amount

Manning and operations of sea survival unit by operating the installed machineries and equipment i.e. pressure feed type filtration plant to circulate the survival swimming pool water in one shift per day by deploying one skilled operator of pumps, motors in each shift of 08 hours continuous duration including Sundays & Holidays consisting of following complete all as directed by Engineer in charge.

(a) Pressure feed sand filter bed enclosed in MS hemispherical chamber with connected inlet and outlet valves pressure, indication etc.

(b) Mono block pump set-2 Nos 3 phase 415 volt 7.5 HP capacity Make : Kirloskar

(c) LP air compressor -01 nos, 3 Phase 415 Volt 7.5 HP capacity Make Kirloskar

(d) Electrical panel with starter etc complete to maintain the sea survival swimming pools etc including necessary dosage of bleaching precipitate copper sulphate . Bleaching powder Alum and the water shall be maintained to 0.2 PPM at swimming pool.

All as per item No 1 above but for one semi skilled person for operating suction sweeper for one shift

Out sourcing to the services for manning / operation and maintenance of sewage pump house likes Cleaning of bar screen chamber, fab reactor, tube shelter and disposal of sludge from the sand beds and bars screen chamber installation at INS Kalinga complex and comprising the following installed equipment by deploying one skilled operator for two shifts per day of each 08 hours including Sundays & Holidays complete all as specified and directed by engineer-in-Charge :- (a) Non clogging pump set 15 HP-02 (b) Mono block pump set 7.5 HP-02 Nos (c) DG set with LT panel board with starter 3 phase 415V, including connected pipelines. (d) MBBR having capacity 100 Cum - 01 No (e) Monoblock pump set 10HP - 02 Nos (f) Filter bed feeder pump - 02 Nos (g) Air blower - 02 Nos (h) MGF - 01 No (j) ACF - 01 No (k) Dosing pump - 01 No

Note for Serial item No 1.00 to 3.00 :- The quoted rates is deemed to be inclusive of the following :- (i) One FGM shall be employed in each shift and shall be fully technically qualified and conversant with the working of plant and machinery installed at various installations. (ii) Daily cleaning and dusting of inside & out side premises of pump house and motors, pumps, electrical panels etc; (iii) Attending minor breakdowns,viz repairs to pipe lines, repairs to sluice valves, gland leakages of pumps etc as directed by Engineer-in-Charge (iv) Maintain log books/documents for pumping hours, voltage , ampere etc. (v) Provision of transport, protective clothing/uniform, safety equipment risk coverage to the staff employed by the contractor. (vi) Working tools and connected safety precautions shall be arranged by the contractor. (vii) Regular monitoring/maintenance of batteries of DG sets viz charging, toping up of distilled water, cleaning of terminals and applying petroleum jelly time to time. (viii) Transportation of diesel from E/M store yard to installation. Diesel shall be issued by the department free for filling only.

Supply and fixing chlorine gas cylinder

Note:- Testing the cylinder, repair to out let valves of cylinder , repairs to chlorine gas control and regulating system shall be the responsibility of the contractor and rate quoted is deemed to be included for the same.

Supply and filling copper sulphate.

Supply and filling Alum Crystal

Supply and filling Bleaching Powder

Supply and filling Soda Ash

Supply and filling Sodium hypo chloride

Material and labour for opening top cover of sand filter and replacement of sand 200 Kg and reassembling the top cover of sand filter without disturbance of existing system all as directed by Engineer- in-charge.

Supply and fixing 50 mm dia CPVC pipes including all fittings and dismantling old 50 mm dia CPVC pipes.

Material and labour for preparation of surfaces angle iron skid of RO system and applying two coats of synthetic enamel paint over a coat of Zinc chrime.

Material and labour for replacement of Multiport valve suitable for 5000 LPH RO plant complete all as directed by Engineer - in Charge

Material and labour for opening top cover of Activated Carbon filter and replacement of Actived Carbon 200 Kg and reassembling the top cover of Actived carbon filter without disturbance of system all as directed by Engineer- in-charge.

Material and labour for cleaning of filter media chamber and supply and replacement new 5 Micron filter in chamber at RO plant complete all as specified and as directed by Engineer - in - Charge.

Material and labour for maintenance of RO membranes by chemical cleaning to remove hard scale on the membrane and recirculation of low PH CHEMICAL and check the PH and temperature for 6 hrs then flush with RO water for neutralize the membrane. By chemical cleaning with suitable chemical to remove the bio fouling of the membrane Recirculation of high PH 10PH Chemical and check the PH and temperature for 6 hrs then flush out water for neutralize the membrane.

Taking down old unserviceable anti-scaletn Dosing pump and supply and fix new dosing pump capacity 6 LPH Make: E DOSE or equivalent as approved by GE.

Taking down old unserviceable flow meter and supply and fix new flow meters 5000 LPH

Taking down old unserviceable ozonator and supply and fixing new ozonator 2 Gram per hour with SS Box

Taking down old unserviceable U.V Stariter and supply and fixing new U.V Startier 2 Gram per hour with SS Box

M&L for replacement of 2472 FRP Vessels for sand filter of RO plant complete all as directed by Engineer - in Charge

Taking down old unserviceable Raw water meter and supplying and fixing of new Raw water meter 1200 LPH

Supply only Anti scalent liquid.

Supply and fixing in repairs pressure gauge (0-14kg/cm2) including necessary specials and provisions of suitable ferrule etc. all as directed by Engineer- in-charge

Supply and fixing 100 mm butterfly valves cast steel, type PN 1.6 both end flanged type with necessary nuts, bolts and washers complete all as specified and directed.

All as per item No 25 above but 80mm dia

Supply and fixing Nylon brush size 0.60mtr×015mtr including nut, bolt , washers and springs etc. complete all as specified and as directed by Engineer - in - Charge.

Supply and fixing HDPE pipe 50mm dia and making suitable slots with complete fitting all as directed at site.

Repairs / Replacement of pressure filter media of filter bed having size 3 mtr dia, 1.5 mtr height as per the following :-

(a) Open the man hole and taking out carefully existing filter media of any size, stacking neatly after thorough cleaning and segregating the media of round pebbles and coarse gravels for reuse from vertical size pressure and Cleaning of internal walls of pressure filter with bleaching powder solution by using wire brush and applying two coats of synthetic bitumen paint complete all as specified and as directed by Engineer - in - Charge. Note : Filling/spreading only filter media will be measured and paid separately.

(b) Spreading only the filter media (Pebbles) obtained from item No:- 29.1(a) on the lower portion of the filter bed.

(c) Spreading only the filter media (Coarse gravels) obtained from Item No:-29.1(a)

(d) Supply and laying filter media pebbles naturally obtained from the river bed of size 5mm to 20 mm

(e) Supply and laying filter media coarse gravels of size 1.0 mm and fine gravel of size 0.5mm

(f) Supply and laying filter media 14/30 mesh sand (fine sand) in layers up to 600 mm thick

Taking down the defective electric induction motor upto 10 HP capacity of any make 415 Volt, 3 phase by dismantling the electrical connections, removing the motor from bed, by decoupling with pump, transporting to workshop, dismantling the burnt out winding from rotor/ stator and rewinding the rotor or stator with same type super enamelled copper wire of same gauge and with necessary insulating material, varnishing, backing, re-assembling the motor completely transporting back to site and alignment with the pump/compressor with electrical connections including testing and commissioning, complete all as specified and as directed by the Engineer-in-Charge. Note: 1. Burnt out removed winding wire will be the property of contractor and credited through schedule of credit.

Overhauling of suction sweeper pump of capacity 3 HP 440 Volts with replacement of gear oil, 'V' belt water seal 'O' ring set complete including reassembling back and testing complete all as specified

Material and labour for cleaning of water supply under ground sump for balancing capacity 30000 gallons by bailing out the accumulated water at the bottom and taking out & removing the complete sludge out side land and wash out completely, and wire brushing the tanks after scrubbing the walls and bottom of the tank completely with minimum disturbance of water to swimming pool and applying two coats of white wash inside the tank complete all as specified.

Material and labour for cleaning of swimming pool of sea survival unit of capacity 100000 gallons by bailing out accumulated water at the bottom and water over flow channels and cleaning the wall, bottoms surfaces by using suitable Tiles scrubbiest/ Acid without disturbance of Wall/ floor surfaces complete all as directed by Engineer- in-charge.

Taking down and refixing NRV/sluice valve 50mm dia after servicing & replacement of defective rubber gasket, nut, bolt, washers leaterflap/GM nut, spindle etc.complete all as specified and as directed by Engineer - in - Charge.

Material and labour for scrapping the old painted surface and painting with two coats of synthetic enamel paint colour choice as directed by Engineer in charge, over one coat of red oxide primer including writing pump No. and capacity of the pump with white paint all as directed for the pressure filter pumps, pump, connected pipe lines, panel boards, Valves , Air compressor etc

S&F in repairs self reinforced PVC 50mm dia helifier hoos in suction sweeper pump at sea survival unit all as specified and as directed by the Engineer - in- Charge.

Material and labour for scrapping the old painted surface and painting with two coats of synthetic enamel paint over one coat of red oxide primer for angle iron frame of RO system complete all as specified and as directed by the Engineer-in-Charge.

Supply and fixing in replacement of suction sweeper nylon rope twisted type 40mm size complete all as specified and as directed by Engineer - in - Charge.

S&F in repairs, 100mm dia sluice valve of cast iron body, PN-1.6, with both ends flanged, drilled at both the ends, conforming to IS-780, having gunmetal spindle with iron wheel at top complete with nuts, bolts, washers, rubber gasket champion-20, 3mm thick sheet complete all as specified and as directed by the Engineer-in-Charge.

S&F in repairs, 100mm dia. cast iron foot valve flanged type as per IS-4038 PN-2 having sheet gunmetal disc face ring- Nitrile rubber, hinge pin stainless steel AISI-410 with cast iron bolted strainer with necessary nut, bolt, washers etc, complete all as specified and as directed by the Engineer-in-Charge. Make: Kirloskar/Upadhyay

Supply and fix in replacement of heavy duty bakelite LT connectors 6 way complete all as specified and directed

Supply & filling ENKLO 320 or equivalent oil for lubrication of air cooled compressor

Maintenance and overhauling upto 10 H.P pump set with complete removing the ball bearings gland ropes and supply and fixing new ball bearing, gland ropes and refixing the same position completely without distribution of existing plant.

Maintenance and repair of LT panel board with replacement of SFU, fuse link, Ammeter, Volt meter, CT ratio, indicator lamp, Start/stop push Buttons etc complete including reassembling back and testing complete all as specified

Taking out air blower pump from existing foundation after dismantling of necessary pipe line by opening nut, bolts etc and dismantling the blower of any capacity installed at STP INS Kalinga for carrying out the repairs, reassembling the same including replacement of worn-out nuts, bolts and washers etc reinstalling, testing and making good all connections to ensure proper functioning of entire unit and commissioning complete all as directed by Engr-in-Charge. Note : spare parts shall be measured and paid separately under relevant items.

Supply of the following spare parts for twin lobe air cooled compressor complete all as directed by Engr-in-Charge :-

(a) Piston Ring (8 Nos each set)

(b) Ball bearing

(C) Pressing bush

(d) Lock nut

(e) Distance ring

(f) 'O' ring

(g) Oil seal

(h) Locking washer

(j) Gear assembly

(k) Tensioning element

(l) Oil level sight glass

(m) Leader link ( complete set )

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