MISCELLANEOUS REPAIRS OF STP, DESALINATION PLANT, RO PLANT AND CONNECTED WORKS UNDER GE BRICHGUNJ, PORT BLAIR

Amount

Taking out old unserviceable pump, Supply, installation, testing and commissioning of new Centrifugal Pump capacity of 5.0 HP, 3 Phase, 38-46.6 meter head, pressure max- 10/16 bar, flow 200 LPM, SS Duplex including joining with HDPE pipes and fittings for inlet water pipe connection line from the sea (sea water) along with necessary foundation, fixing bolts and MS frame as per manufacturer recommendations. Model: A96806984-P1-1925 of Grundfoss or equivalant in Kirloskar/Crompton

Taking out old unserviceable compressor, Supply, installation, testing & commissioning of new Air Compressor power capacity of 0.1Hp suitable for single phase, Volt- 220V, 50Hz, 8 bar, CFM: 3.35, Gross Weight- 16Kgs, Air Delivery- 126 L/Min.

Taking out old unserviceable star delta starter and supply & fix fully automatic star delta starter suitable for 30HP motor, Contactor Size: 32, 440V Rated voltage: 3phase, Frequency: 50Hz, and Relay range: 23-32Amp with complete accessories &connecting and fixing in existing control panel after carrying out necessary addition/alteration all as directed. Make: Havells/ L&T or equivalant

Material and labour for replacement of sea water membrane of size 8" dia, 40" lenght suitable for 50 KLD desalination plant with inlet water TDS 40,000 ppm NaCl, should withstand 1000 psi (69 Bar), 25°C. Minimum Salt Rejection is 99.58% all as directed.

Material and labour for replacement of brackish water membrane of size 8" dia, 40" lenght suitable for 1000LPH RO Plant with Maximum Operating Pressure and Temperature 300 psi (21 bar) at T < 35°C respectively all as directed.

Taking out old unserviceable VFD and supply and fix new VFD (Variable frequency device) to control the speed of induction motor of 18.5KW of high pressure pump with input frequency (F1): 48 to 63 Hz, and frequency (F2): 03.599 Hz maximum rate of change 17% second output voltage line current 300-400V/480V, 61A/51A phase Symmetrical with overload Capacity: 150% with complete accessories and suitable copper cable) all as directed. Make: ABB, model No. IP20/UL or equivalent in Seimens/ Danfoss/ Schneider

Supply and fix for digital flow meter for rain water harvesting treatment plant with inlet flow of 150 Cum/hr, 100mm size, woltman type, flanged ends, MID& ISO 4064-2014 certified, hermetically sealed, IP -68 compliant as directed by Engineer-in-Charge

All as item No 7 above but suitable for 50 KLD Desalination plant of size 50mm. Note for item No 7 and 8 :The rate quoted deemed to be included for necessary cutting of existing pipeline and fixing flow meter.

Taking out old unserviceable cable, supply and lay XLPE insulated and PVC sheathed, armoured heavy duty submersible cable, suitable for earthed system, laying in trenches/floor/wall/ground all as per IS -7098 (Part-1 1977) and Part 2- 1985 with copper stranded conductor, 1100 volt grade of cross sectional area of size 3 Core x 4 Sqmm all as directed.

Taking out old unserviceable panel & material and labour installation and testing of factory made control panel with Overload, Single Phasing, Phase reversal, protection, Auto Restart Feature, Vibration proof enclosure with IP54 protection, ON/OFF, Voltage and Ampere Indicators suitable for 5 HP Submersible pump all as directed.

Supplying, fixing as in repairs and testing of Cast Iron, heavy duty, Specials of any size, radius and length confirming to IS - 1538 Part - I to XXIII: 1976 such as bends [any type, radius and angle], tapers any type [straight, bend, increasing, decreasing or double socket etc], sockets, tail pieces, connecting pieces, tee pieces, single branch, "Y" junction, double branch, cross, [all sockets or socket and spigot or Flanged, collars, caps and plugs, ( required for shape as per site )adopters etc suitable for CI / DI Spigot and Socket or Flanged pressure pipes complete all as specified and as directed.

Supply and fixing as in repairs of Sluice Valve, Cast Iron body, Stainless Steel Spindle, Gun Metal Rings including Wheel for operation, Flanged and Drilled, confirming to IS - 14846, Class PN -1.6, Long Body type including all Joints with Rubber Gasket and Jointing Materials, Bolts, Nuts, Washer complete complete all as specified and as directed and of size 100 mm bore.

Material and labour for cutting into 200 mm dia pipe line and making branch connection of 200x200x100 mm tee for water main tapping including necessary fittings complete all as specified and directed by Engr-in-Charge. Note : Run lead joint shall be measured and paid under separate item of the schedule.

Material and labour for run lead joint confirming to IS specification for cast iron pressure pipes of 200 mm bore

Material and labour for run lead joint confirming to IS specification for cast iron pressure pipes of 100 mm bore

Supply and fix microprocessor based Water Level Indicator which can display 5 levels of water stages i.e. 0%, 25%, 50%, 75% and 100% in OH or UG water tank with 5 Nos sealed type float sensors 3 Meter cable would be connected inside the sensors with IP 65 Main Box and Junction Box for connections. Tank full and 25% both stages would alarm through Lens type LED of different colour so that alarming stages can be seen from at least 200 meters. Audio alarm would be installed alongwith the system having range upto 100 meters. Alarm on Off switch shall be there in main box to stop it mannually also.

Taking out old unserviceable pump and Supply, installing, testing and commissioning of new pressure pump motor of capacity 1 HP, 220-240 Volt, 750 W, 7.5A, 2700rpm, single phase, 50 HZ, head range upto 10.5 to 44M, discharge range upto 15-108 LPM, type of insulation B Class, including protection against over current, low voltage, dust and water entry, IP44 protection complete including pressure tank model No PHB-24L, max working pressure 10 bar, nominal volume 24 Ltr, pressure switch to control pump with differential set upto 2.0 Bar all as specified and as directed. Make - Kirloskar model NoCPBS-73624H or equivalent in V Guard/CRI

Supply and fixing in repair special Jumbo pleated polypropylene with graded density micro fiber media technology cartridge filter 0.2 micron of size 20" long x 4" dia for 50 KLD desalination plant all as specified and directed by Engr-in-Charge.

Supply and fixing in repair spun cartridge polypropylene filter of length 20" suitable for 50 KLD desalination plant all as specified and directed by Engr-in-Charge.

Material and labour for basket suction strainer (in line), flanged ends fabricated version , system pressure 3.0 bar hydro test pressure 6.0 bar, shell nozzle pipe: A106 Gr.B Sch 40 pipe, Element : P sheet 1.2mm thick, 6mm hole dia, mesh 60 SS316, drain/vent 1" & 0.5" BSP coupler with plug A 105, fasteners: CS galvanized size 100NB

Supply and fixing of MBBR media suitable for STP, 0.9 Bio pack media (Fab media), shapes cylindrical 22mm Dia, 16mm height, as per OEM recommendation including taking down old MBBR media all as directed.

Supply and fixing in reapair Poly Propylene spun cartridge filter 5 micron of Size- 20” long X 2” dia, suitable for 1000LPH RO Plant.

Supply and fixing in reapair Poly Propylene spun cartridge filter 10 micron of Size- 20” long X 2” dia, suitable for 1000LPH RO Plant.

Material & labour for cleaning of liftwell of 350 KLD STP at Ranjit Vihar & shifting of sludge at a distance beyond 5Km by mechanical cesspool cleaner with using chemical all as directed by Engineer-in-Charge.

Material and labour for chemical cleaning of membranes using citric acid for following plants as directed by Engr-in-Charge. Note : The rate for taking down and refixing after cleaning deemed to be included in quoted rate.

50 KLD Desalination Plant

1000 LPH RO Plant

500 LPH RO Plant

Material and labour for PVC insulated copper conductor 1.5 Sqmm, 6 Core conforming to IS 1554 (Part I), flexible armoured cable fixing on wall /over head reservoir/roof etc complete.

Supply only residual chlorine test kit (CI2) for range upto 0 to 3 mg/litre with method of testing by colour comparison using standard ampules complete all as specified and as directed

Supply only pH meter waterproof (Eutech Cyberscan) accuracy 0.1 to 14pH with pH velectrode BNC connector, cabel, pH holder, LCD display operating temperature 0 to 50oC, ingress protection complete all as specified and as directed

Supply only iron test kit with necessary testing fitments in rexin finish box complete all as specified and as directed

Supply and fixing Rolled Mild Steel work confirming to Fe 410-W, Grade-E- 250, Quality-A as in Staging for Water Tanks and the like including ERW pipe, Ladders for Buildings, OHR, Semi-UG Sump and Valve Chamber Covers etc. Caps, Bases, Splices etc built up from two or more Beam or Channel or Angle Sections and Plates with welding and supporting to top and bottom ends and middle with nut and bolts by means of anchoring, including all lattice bars, stiffeners, gusset plates, etc including dismantling old steel structure of any description

Material and labour for applying two coats of Synthetic Enamel paint over one coat of Red Oxide Zinc Chrome Primer after preparation of surfaces complete all as specified and as directed.

Supply only 180AH, 12 Volt, lead acid storage battery conforming to IS 14257/1995, rated capacity at C 20 discharge (AH) 180, 2 year warranty fully charged all as directed and specified

All as per item No 32 above but for 130AH, 12 Volt

Supply and fix in repairs automatic battery charger with following features:- (a) Constant Charging (b) Suitable to charge 12V & 24V Battery with current range 0-15Amps for 12V and 0-10Amps for 24V (c) Controlled at all times by microprocessor (d) Reverse polarity and short circuit protected (e) Power supply voltage 230 V, 50 Hz

Supply and fix in repairs SMPS with input volatge range 180-270V, AC 50 Hz and output 110 V DC, 3 Amps all as directed and specified

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