COMPREHENSIVE MAINTENANCE AND OUTSOURCING OF SERVICES FOR MANNING AND OPERATION OF RO PLANT AT OKHA UNDER GE (I) NAVY PORBANDAR

Amount

Ousourcing of services for Manning and Operation of RO plant installed at INS Dwarka in two shifts of 8 hours per day including Sunday & holidays & proper maintenance of RO plant, LT Panel, excluding provn of spare parts & various chemical and other misc work complete all as directed by Eng-in-charge. The RO plant comprises of following for comprehensive maintenance :- COAGULANT DOSING TANK (01 No): PPFRP material 50 litres capacity vertical cylindrical type COAGULANT DOSING PUMP (01 No)- a) E-dose model ED-64 b) Max injection pressure ( Bar) - 4 kg/sq cm c) Capacity ( LPH) -6 LPH COAGULANT DOSING AGITATOR (01No)- Motor(KW)- 0.375/415V/1.05Amps insulation class efficiency 66% RPM-1380 of Hindustan make FEED PUMP (1No) - 33LPM, 40Mtr head, centrifugal 5.2/7.5HP, 415V, 10A, 2880RPM, Suction 65mm, Discharge 40mm PRESSURE SAND FILTER (01 No) - 1226mm Dia 1140mm Height PVC piping Graded Quartz Sand media, automatic multiport valve with complete piping, internal valves. ACTIVATED CARBON FILTER (01 NO) - 1226mm dia, 1140mm height polyethylene material Activated Carbon and graded quartz sand media , automatic multiport valve, PVC piping complete with frontal piping, internal, valves.

ANTI SCALANT SYSTEM (a) Anti scalant dosing tank (b) Coagulant dosing tank - 01 No, Cylindrical vertical type, 50 ltrs Capacity 410mm dia, 480mm height PPFRP material 06 LPH, Max injection pressure (Bar) 04Kg/Cm² , PVDF material of model E-64 FRP PERMEATE SHELL (02 NOS) - 08 Inches dia, FRP material RO MEMBRANE (12 NOS) - 8" Dia, 40" length, 06 Nos membrane in each cell. POST pH CORRECTION DOSING SYSTEM- Post pH correction dosing tank- 01NO, Coagulant dosing tank -01 NO, Cylindrical vertical 50 ltr capacity, PPFRP material, 410mm dia, 480mm DISINFECTION DOSING SYSTEM - Disinfection Dosing tank -01 No, Cylindrical vertical 50 ltr capacity 410mm dia, 480mm height PPFRP material, disinfection dosing pump -01No, LPH 06 ltrs, Injection pressure 04 Kg/Cm² PVDF material, E-64 model ANTI SCALANT DOSING PUMP (01 NO) - 06 LPH, Max injection pressure (Bar) 04Kg/Cm² , PVDF material of model E-64 CATRIDGE FILTER - 03 NOS Inside cartridge dia 160mm, height 510mm PPFRP material, cartridge length 20 inches HIGH PRESSURE PUMP (01 NO) - Capacity 334LPM, 32.0Kg/cm² head, SS316 material Triplex Plunger pump SPM 310

INSTRUMENTATION (a) PRESSURE GUAGE -04 NOS 04" Dia, 0-7 Kg/Cm² range (b) PRESSURE GUAGE -02NOS 6" Dia Size,0-70Kg/cm². (c) Low pressure switch on the suction of high pressure pump -01 No (d) High pressure switch on the discharge of high pressure pump -01 No (e) LEVEL SWITCH -4 Nos for dosing tank (f)ROTA METER ON THE INLET OF MGF -01 NO Range 15000-50000 LPH (g) ROTA METER ON PERMEATE LINE -01 NO Range 4800-21600LPH (h) ROTAMETER BRIRTE REJECT LINE -01 No Range 4800-21600LPH (j) PH METER -01 No Range 0-14 (k) CONDUCTIVE METER -01 NO l) CONTROL VALVE -01 NO (m) FLUSHING VALVE -01 No , Ball valve PVC material

13. INTER CONNECTING PIPING (a) From raw water sump to raw water pump -01 No 80mm size PVC material (b) From raw water pump upto High pressure pump -01 No 80mm Size, PVC material (c) From High pressure pump to RO Section -01 No 50mm size ss Material (d) All dosing pump suction and delivery line -01 LOT, 6-8MM size, PVC material (e) From RO plant outlet upto treated water sump- 01 No, 50mm size, PVC material (f) From RO plant reject upto Deep Bore well -01 No 50mm size PVC material ELECTRIC WIRING - All electric wiring by single core/3 core copper conductor MOTOR CONTROL CENTRE (i) MCCB Cap 100 Amp, 4 pole - 01 No ii) Automatic 3 phase sequence corrector cum single phasing contactor with auto start - 01 No (iii) MCB TP 16 Amps - 01 No (iv) MCB TP 63 Amps -01 No v) MCB DP 02 Amps -04 Nos vi) MCB SP 06 Amps - 06 Nos (vii) MCB SP 02 Amps- 01 No (viii) Relay contactor - 02 Nos (ix) 5 MPS - 01 No (x) Hooter - 01 No (xi) AB Contactor 3 TF 30 Amp - 05 No (xii) AB Contactor 3 TF 3400-0 A -02 Nos

NOTES:- (a) The cost of consumeables required for smooth & effective functioning of RO Plant is deemed to be included in the unit rate quoted. (b) The miximum permisible TDS of Treated water shall be as per IS-10500. A panelty of Rs. 1000/- per 100 TDS per day will be levied for every 100 TDS beyond the permissible limit.

Supply & pouring of following RO water treatment chemicals in dosing tank liquids concentrate and application as directed by Engineer-in-Charge to achieve quality of water as per IS-10500 :-

HCL (hydrochloric) acid for maintaning PH, 30 to 35% concentration in manufacturer's sealed container.

General Antiscalant for CA, mg and other sparingly soluble salts for low to medium brackish water. HydroxythyledienediphosphonicAcid polymer with specific gravity 1.06 (Min) complete all as directed. Make : Royal 11 / Ultraflo

Pecific HT/sofaid 8176 for recadule cleaning of Bactaria complete all as directed.

Antiscaling agent for removal of deposition in RO membrance with specific gravity 1.21+-0.1 for high brackish and desal water with very high TDS and high silica in manufacturars packing. Make :Royal 77 / Ultraflo

Anti scalant for controlling colloidal fouling and bio fouling with high scaling property to control alkaline scale iron oxide deposition CaCo3, CaSo4 and strolinion sulphate with specific gravity 1.16. Make : Royal 99 / Ultraflo

M&L RO membrane of superior quality to give stipulated out put of treated water with average salt rejection 99.7% with average permeate flow rate 37.9M3 of size 1016mm x 201mm suitable for operating pressure 41 bar complete all as directed. Make : Lenxess B400 ASD FR / Ultraflo B085 4040x

Supply and fixing cartridge filters sediment micron filter of size 5 micron and above particles, 20 inch long & 4.5 inch dia made out of 100% pure polyprolene fixed in replacement complete all as specified and directed. Make : Lenxess / Ultraflow

S & F for starter of submersible pump 7.5/10 HP 3 phase, 415V, 50 Hz with ON-OFF Push Buttons, LED Display, connecting up with existing connections testing on ground on load fixed in repair complete all as specified and directed by Engineer-in-Charge. Make : L&T / BCH /Siemens

M & L for rewinding of Hi Pressure Pump of 25 HP Capacity using super enamelled copper winding wire of gauge equal to existing, transporting and fixing to its original location, testing on load complete all as specified and directed by Engineer-in-Charge.

S & F Installation & Testing of Automisation Panel for RO Plant of size 235x260x130 mm complete all as per specified and directed by Engineer-in-Charge.

Supply & fixing pressure gauge glycerine filled suitable for pressure rating 0-10 Kg/cm2 including taking out old unservicable pressure gauge complete all as directed. Make : FIEBIG / BAKER MERCER / DANFOSS / L&T

Supply & fixing of pressure gauge glycerine filled suitable for pressure rating 0-20 Kg/cm2 including taking out old unservicable pressure gauge. Make : FIEBIG / BAKER MERCER / DANFOSS / L&T

Removing used filter media from MGF, cleaning, washing, screening & sorting stalling usable & unusable media refilling the useable filter media same complete all as per specified and directed by Engineer-in-Charge.

Supply and filling sand and gravel media for multigrade filter of superior quality complete all as per specified and directed by Engineer-in-Charge.

Supply & poring Activated carbon in filter media in ACF including taking out old filter media complete all as per specified and directed by Engineer-in-Charge.

S & F strainer for inlet and outlet ( top + bottom) of ACF/MGF complete all as per specified and directed by Engineer-in-Charge.

M&L for rewinding of submersible pump of capacity 7.5 HP with super enammelled copper winding wire of gauge equal to or superior than existing including opening body cover of motor separate stator / rotor and cutting the complete brunt / defective copper winding wire etc. connecting testing on load and fixing to its original location complete all as specified and directed by Engineer-in-Charge.

M & L for Membrance washing chemical Royal 339 complete all as per specified and directed by Engineer-in-Charge.

SURESH ELECTRICALS