GE/ALP (8161B) KOLKATA OF 2022-23

Amount

Comprehensive maintenance of water treatment plant for safe and efficient running at Main Pump House CH(EC) for a period of one calender month for the plant capacity of 20000 GPH (90 Cum/hr) and consisting of the following accessories :- (a) One oxidation chamber 20000 GPH (90 Cum/hr) (b) Multigraded filter capacity 20000 GPH (90 Cum /hr) (c) Two number softner capacity 20000 GPH (90 Cum/hr) each (d) Two brine solution tank 1500 ltr Each & one no RCC Tank. (f) One no Chlorine dosing pumps Model NGQ 51 (Make Declibac or equivalent as approved by the GE) HP - 1/3 Frictional, output 02 US GPD to 40 US GPD RPM-44, power 230 volt 50 HZ.

Comprehensive maintenance of water treatment plant for safe and efficient running at New MAP Pump House II line for a for the plant capacity of 36000 LPH and consisting of the following accessories :- (a) One oxidation chamber 36000 LPH (b) Multigraded filter capacity 36000 LPH (c) One number softner capacity 36000 LPH (d) One brine solution tank.

Comprehensive maintenance of water treatment plant for safe and efficient running at New MAP Pump House II line for a for the plant capacity of 20,000 LPH and consisting of the following accessories :- (a) One oxidation chamber 20, 000 LPH (b) Multigraded filter capacity 20, 000 LPH (c) One number softner capacity 20,000 LPH (d) One brine solution tank (e) Silver ionisation plant, (Make - Senco (Bharati Water) or equivalent as approved by the GE), Model ERA - 50 capacity 50, 000 LPH incl with DOL starter & V-guard Voltage stabilizer

Comprehensive maintenance of water treatment plant for safe and efficient running at New MAP Pump House II line for a for the plant capacity of 10,000 LPH and consisting of the following accessories :- (a) One oxidation chamber 10 000 LPH (b) Multigraded filter capacity 10, 000 LPH (c) One number softner capacity 10,000 LPH (d) One brine solution tank. Note :- For item No. 01 to 04 (i) Contractor shall be responsible for making salt solution and charging of salts. (ii) Hardness testing on daily basis & Iron testing in every 15 days intervals (Testing kit will be paid under relevant item) (iii) Responsible for rectification of any leakage from inlet to out let connection with existing pipe line, including replacement of gasket, nut bolts or any tools required at site or blocking of softener linr any other defects in plant .

Comprehensive maintenance of Reverse osmisis(RO) plant for safe and efficient ronning at New pump house II line for a period of one calender month including Sunday and holiday for the plant capacity of 6000 LPH, Make- Ion Exchange and consisting of the following accessories:- (a) Raw water feed pump-01 No. (b) Oxidation chamber-01 no (c) Dual media filter-1 no (d) Micron filter-01 no (e) R.O.Houshing-02 nos (f) UV System-01 no (g) Antiscalant dozing tank-1 no (h) Antiscalant dozing pump -1 no (j) High pressure pump-01 No. Note for item No. 05 to 08 :- (i) Contractor shall be responsible for making of antiscalant solution and charging of antiscalant. (ii)Responsible for rectification of any leakage from inlet to out let connection with existing pipe line, including replacement of membrane stainer, catridge, gravels, valve gasket, nut bolts or any tools required at site. (iii) Unit rate shall be deemed to be inclusive of taking down unserviceable defective parts/accessories and replacement with new one ,including fixing of spare parts, filters, membrane etc as and when required for smooth and efficient functioning of the plant. (iv) Any minor spare parts which has not been considering in "supply only", and is required for smooth functioning of plants (v) New spare parts requird for renewal shall be measured and paid for separetly as "Supply only" under relevant items here in after. (vi)one mehanic of ITI holder having minimumm 5 year experience should maintain the plant. The machanic will be responsible for checking the plants output not any instance reduces more than 20 % of its rated capacity,also will be responsible for checking of water hardness,TDS ,and chlorine content on daily basis. However if there is any negligence or not attending site and checking the plants and reporting to conceren JE regarding the daily performance of RO plants a panal recovery of Rs. 500 per day basis will be charged from contractor as panal recovery. Contractor will be responsible for checking of water quality on daily basis and will submit the water quality test report on fortnightly basis conductrd from govt accredited laboratory, in case of non submission a panel recovery of Rs. 2000 per plant per fortnightly basis will be recover.

Comprehensive maintenance of Reverse osmisis(RO) plant for safe and efficient running at installed at Technical building (on roof) , CH area for a period of one calender month including Sunday and holiday for the plant capacity of 2X5000 LPH, Make- Ion Exchange and consisting of the following accessories:- (a) Raw water feed pump-02 Nos. (b) Oxidation chamber-02 nos. (c) Dual media filter-02 nos (d) Micron filter-02 nos (e) R.O.Houshing-02 nos (f) Antiscalant dozing tank-02 nos (g) Antiscalant dozing pump - 04 nos (h) High pressure pump-02 Nos.

All as per item No 6 here in before but RO plant of cap 2000 LPH installed at MAP Ph-II Pump House , II Line area.

All as per item No 6 here in before but RO plant of cap 500 LPH installed at CMDC, CH area

Supply and fixing, in repair gun metal gate valve 15 mm dia (Make - LEADER or equivalent as approved by the GE)

Supply and fixing MS short piece of dia 150mm to 40mm of size 0.22 Rm to0.40 Rm with both end flenged for filteration pipe line as per sample and as directed.

Supply and fixing MS bend of dia 80 to 150 mm , 90 degree with one end flanged suitable for filteration pipe line as per sample and as directed.

Supply and fixing in repair Butterfly valve 150 mm confirming to IS-13095 hand operated suitable for filteration as per existing size and sample , complete all as specified and as directed.

Supply and fix in repair, CI sluice valve 80 mm dia with SS spindle ISI marked, PN 1.6 with MS bolts, nuts & washers and a pair of gasket joints having suitable thickness suitable for filteration plant as per existing size and sample. complete all as specified and as directed.

Supply and fixing in repair, MS Tee joint of dia 150mm / 100mm/80 mm of size 0.45 Rm / 0.33 Rm with both end flenged suitablefor filteration pipe line as per sample and directed.

Material and labour for cutting 150 /100 /80 mm MS pipe line any length and fixing of flanged by means of welding all as directed.

Supply and fixing Feed rate control kit for chlorine dozing pump

Supply and fix in repair ,Pump head service kit Part No KSKH07 for chlorine dozing pump

Supply and fixing in repair , Pump tube (26 -100 psi) Single head only , Part No MCCP207 for chlorine dozing pump complete all as specified and as directed.

Supply and fixing in repair , Injection check Vavle 3/8" Part No MCINJ38 ,for chlorine dozing pump complete all as specified and as directed.

Supply and fixing in repair ,Connecting Nut 3/8" with Adapter Part No MCADPTR ,for chlorine dozing pump complete all as specified and as directed.

Supply and fixing, Suction line strainer 3/8" (weight including ) Part No ST138 ,for chlorine dozing pump complete all as specified and as directed.

Supply only multiport valve for R.O. Plant

Supply only 8 " RO End cap assemly for R.O. Plant of cap 6000 LPH

Supply only , 1" SS Ball valve for R.O. Plant

Supply only of chemical dozingig pump for R.O. Plant

Supply only, 4" Jumbo catridge for R.O. Plant

Supply only, 4" jumbo housing for R.O. Plant

Supply only, low pressure switch for R.O. Plant

Supply only, high pressure switch for R.O. Plant

Supply only, 25/40 mm SS Victoly coupling for R.O. Plant

Supply only, Rotameter for R.O. Plant

Supply only, electrical DOL for 7.5/10 HP starter for R.O. Plant

Supply only, 8" membren for New pump house R.O. Plant for plant capacity 6000 LPH

Supply only, 8" membren for Defi tech building R.O. Plant for plant capacity 5000 LPH

Supply only, 4" membren for R.O. Plant

Supply only, NGXL stainer for R.O. Plant

Supply only, 4" pressur gauge for for R.O. Plant

Supply only, 2.5" pressur gauge for for R.O. Plant

Supply only, NRV for Dozing pump NRV R.O. Plant

Supply & fix in repair , 50 mm UPVC pipe for RO plant whith fitting complete like bend,elbow at any angle,Tee,thread adapter, end cap thread adapter brass at any angle ,reducer,coupler, open, blind flange etc complete required for plumbing on each meter length .

Supply & fix in repair , 40 mm UPVC pipe for RO plant whith fitting complete like bend,elbow at any angle,Tee,thread adapter, end cap thread adapter brass at any angle ,reducer,coupler, open, blind flange etc complete required for plumbing on each meter length .

Supply & fix in repair , 25 mm CPVC pipe for RO plant whith fitting complete like bend,elbow at any angle,Tee,thread adapter, end cap thread adapter brass at any angle ,reducer,coupler, open, blind flange etc complete required for plumbing on each meter length .

Supply & fix in repair , 20 mm CPVC pipe for RO plant whith fitting complete like bend,elbow at any angle,Tee,thread adapter, end cap thread adapter brass at any angle ,reducer,coupler, open, blind flange etc complete required for plumbing on each meter length .

Supply only, socket/elbow / MTA dia 50/40mm for R.O. Plant

Supply only, socket/elbow / MTA dia 25/20mm for R.O. Plant

Supply only, union , 1.5" for R.O. Plant

Supply only, Teflon tape for for R.O. Plant

Supply only, solment pest for R.O. Plant

Supply only, CPVC Bal valve ,40 mm dia for R.O. Plant

M&L for two coats of bituminious paint suitable for drinking water after necessary preparation of internal surfaces of plants all as directed by Engr-in-charge.

M&L for two coats of synthetic aluminium paint external surfaces over a coat of red oxide primer of plants/pipes after preparationof surfaces all as directed.

S&F as in repair for HDPE pushfit type umbrella type strainer for multigrade filter and water softner.

Supply and fix in repair of cleaning, washing, screening and filling the media inside the multigrade filter pressure filter media/gravels of following sizes.

25 mm to 20 mm

20 mm to 16 mm

16 mm to 8 mm

8 mm to 3 mm

Supply, cleaning and filling the filter sand inside the pressure filter (type of sand 16/30 mesh) all as directed. (Source : Baraker river.)

Supply & charging inside the oxidation chamber of catalyst (MNO2 ), complete all as specified and as directed

Supply and fixing as in repair , CI diapharam valve 150 mm bore,complete all as specified and as directed (Make : Hazra/ Parboti/Kirloskare)

Supply and fixing as in repair, CI diapharam valve 100 mm bore,complete all as specified and as directed (Make : Hazra/ Parboti/Kirloskare or equivalent)

Supply and fixing as in repair, CI diapharam valve 80 mm bore,complete all as specified and as directed (Make : Hazra/ Parboti/Kirloskare)

Supply and fixing as in repair of water pressure guage 0 - 10 Kg/Sqcm cap dia 150 mm

Supply and fixing as in repair of water pressure guage 0 - 10 Kg/Sqcm cap dia 100/80 mm

Material and labour for water hardness testing chemicals re-agent solution A B C and glass vessel for water testing

Material and labour for Chlorine testing and glass vessel for water testing

Supply & pouring resing inside bed of oxidation chamber. (Make : ION Exchange (INDION 225 NA) or equivalent as approved by the GE)

S&F in repair for Gun metal gate valve with iron wheel head, screwed down iron pipe of 25 mm bore complete all as specified and as directed.

Supply & fixing in repair, rubber for, CI diapharam valve 150/100 /80 mm bore (Make : Hazra/ Parboti/Kirloskare or equivalent as approved by the GE)

Supply & fixing in repair of micron cartage 5 micron of RO filter cum purifier of cap 25 LPH

Supply & fixing in repair of carbon cartage 5 micron of RO filter cum purifier of cap 25 LPH. (Make - Livpure or equivalent as approved by the GE)

Supply & fixing in repair of adaptor 220- 24 volt DC for RO filter cum purifier of cap 25 LPH. (Make - Livpure or equivalent as approved by the GE)

Supply & fixing in repair of carbon block for RO filter cum purifier of cap 25 LPH. (Make - Livpure or equivalent as approved by the GE)

Supply & fixing in repair of pressure busting pump for RO filter cum purifier of cap 25 LPH. (Make - Livpure or equivalent as approved by the GE)

Supply & fixing in repair membren of 75 GPD compact for RO filter cum purifier of cap 25 LPH. (Make - Livpure or equivalent as approved by the GE)

Supply & fixing in repair of low and high pressure switch for RO filter cum purifier of cap 25 LPH. (Make - Livpure or equivalent as approved by the GE)

Supply & fixing in repair of UV Lamp for RO filter cum purifier of cap 25 LPH. (Make - Livpure or equivalent as approved by the GE)

Supply & fixing in repair of solenoid valve for for RO filter cum purifier of cap 25 LPH. (Make - Livpure or equivalent as approved by the GE)

Supply & fixing in repair of 6 mm pipe for RO filter cum purifier of cap 25 LPH. (Make - Livpure or equivalent as approved by the GE)

M & L for Opening the top, bottom & side cover of the existing plants consisting of the iron removal plant of capacity 90000 LPH ,including two softner plant, taking out the existing filler materials i.e. sand, gravels, resins, PVC strainer etc for cleaning, separation & stacking at site for re-use and re-filling the same as directed.

M & L for Opening the top, bottom & side cover of the existing plants consisting of the iron removal plant of capacity 36000 GPH ,including softner plant, taking out the existing filler materials i.e. sand, gravels, resins, PVC strainer etc for cleaning, separation & stacking at site for re-use and re-filling the same as directed.

M & L for Opening the top, bottom & side cover of the existing plants consisting of the iron removal plant of capacity 10000 GPH ,including softner plant, taking out the existing filler materials i.e. sand, gravels, resins, PVC strainer etc for cleaning, separation & stacking at site for re-use and re-filling the same as directed.

M & L for Opening the top, bottom & side cover of the existing plants consisting of the iron removal plant of capacity 20000 GPH ,including softner plant, taking out the existing filler materials i.e. sand, gravels, resins, PVC strainer etc for cleaning, separation & stacking at site for re-use and re-filling the same as directed.

Supply and mixing and dosing chemicals (disinfectant for water treatment), for maintaining desired chlorine value all as specified and as directed at site by the Engr-in-charge. Note : Calcium hypochloride based granular shall be collected from MES store yard for mixing in dosing unit through baby indent. (Make : Royalseema/ Decliback/Aquafit)

Supply and mixing common salt (Non iodised best quality locally available of 50 Kg bag complete all as specified and as directed at site by the Engr-in-charge. Note- Salt supplied by contractor and he will have to mixing in IRP plant , which are installed at New pump house, Main pump house, MAP Ph-II Pump house and MAP Ph-I pump house according to direction of Engr-in charge

Supply and dosing Antiscalant solution 5 mg/ltr for Reverse Osmosis plant to minimize/eliminates acid feed for scale control for improving system efficiency, inhibition for CaCo3, CaSO4, metal oxides & moderate scale, NSF certified, for RO plant of MAP Phase II, RO plant near New pump house, RO Plant of CMDC and RO plant of Defi Tech Bldg complete all as specified and as directed. (Make : ion exchange Brand INDION 8111, Zeolite or equivalent as approved by the GE)

Supply and mixing bleaching Powder as per IS-1065 (Latest Edition) complete all as specified and as directed at site by the Engr-in-charge.

S B ENTERPRISE

EAST COAST STANDARD PRODUCTS

EASTERN REFRIGERATION AND ELECTRICAL CO