Military Engineer Services-MES has published Tender For Repair / Maintenance Of Activated Carbon Filter Plant, Softener Plant, Water Supply Distribution System And Allied Works At Wtp / Stp / Etp At 87 Sqn, Cleaning Of Ohts, Ugs Surroundings And Preparing Water Sample Report Of All Pump Houses A. Submission Date for this Tender is 10-04-2024. Chemical Supply Tenders in panagarh West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 29-Mar-2024 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 05-04-2024 |
| 2 | 05-Apr-2024 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 10-04-2024 |
| Sl. No. | Item Description |
| 1 | Disconnection of inlet, outlet, and back wash connections etcfrom existing iron removal filter plant of water treatment plant (Multi garde), Pressure Feed Type with FRP vesels (Comprising of 01 (One) No. Oxidation plant of overall size 1230mm dia. & 1700mm Height and 01 (ONe) No. Iron removal filter of overall size 2600mm dia & 2800mm height) of 15000 GPH capacity,opening carefully the manhole/handhole covers, taking out old filteration media from inside the vessels and deposited at a distance n. exceeding 50 Meters,including cleaning the vessels internally by descaling washing down with water, including cleaning the external surfaces of vessels alongwith frontal pipings and inter connection pipings, through cleaning of external surfaces of vessels and writing letters or figures (Block, Roman, Italic or Indian) n exc. 30 cm high and drawing stops, commas, short lines, dashes, hyphens, brackets etc. with synthetic enamel paint (SM/MES No., Capacity, Location, date etc.), including recharging of Filteration Media,refixing of PVC strainer etc as per OEM specifications and including reconnection of pipelines, refixing of manhole/handhole covers, testing and commissioning of Iron Removal filter Plant at pump house No. 01 & 04 complete all as specified and directed by Engineer-in-Charge. (Note:- (i) Filteration media required sizes i.e., Gravels Size 1 1/2" X 1", Gravels Sizes of 1.5" to 2", 1/2" to 1", 1/4" to 1/2", 1/8" to 1/4" PVC stainer (New) each required, Coarse Silex, Fine Silex, Filtering Sand , granular activated carbon media, Manganese dioxide for recharging inside the vessles will be measured and paid separately under respective items of this Schedule as supply only. (ii) Testing of water sample (i.e, turbidity test, Ph test, iron (Fe) test, fluoride test, arsenic test, nitrite test, calcium test, Calcium carbonate test, cloride test, resitual clorine test,Magnesium Carbonate test, Alkanity test, TDS test, COD test, total coliform test, Sulfate test & BOD test)from the Iron Removal filter Plant after rechrging of filter media shall be carried out from any NABL accredted lab/PHE test lab in West Bengal and test report shall be submitted. The cost of testing of water sample shall be deemed to be included in the quoted rate. (iii) The cost of replacement of minor unserviceable parts viz unserviceable PP stainers inside the Iron Removable filter vessel and nuts, bolt, washers & Gasket in the manhole/handhole covers of vessels are deemed to be included in the quoted rate (iv) Serviceable filteration media shall be staked properly andre-used in the work after removal of foreign matters, cleaning & washing , screening & grading of old gravels (Filteration media) of various sizes. The old unserviceable filteration media shall be removed from the site of work without any extra cost to the Govt. (v) New filteration media shall be stacked properly before incorporation in the work for measurement and also submit the purchase voucher for the same having GST number shall be submitted before payment claim. (vi) This item shall be executed after retain written approval from GE.(vii) The cost of painting with one coat of black bituminous paint suitable for drinking water including preaparation of surface inside the vessels of water treatment plant shall be inclusive in this item. (viii) The cost of painting of two coat of synthetic enamel paint over a coat of red oxide primer including preparation of surface of outside surface of water treatment filter plant including pipe lines, marking of pipe lines (incoming and outgoing) etc.after scrapping of old damaged paint and also writing the plant name and capaicty with white paint on the filter plant complete shall be inclusive in this item. |
| 2 | All as per srl item No 01 here-in-before above but oxidation plant sizes of oxidation plant in overall 1000mm dia& 1220 mm height, and 01 (one) No. Iron removal filter of overall size 2550 mm dia & 1900mm height of 10000 GPH capacity of water treatment plant at Pump house No. 03 |
| 3 | Supply only new filteration media sand (cleaned) of 20 x 40 mesh from barakar, hard and resistant, quartz or quartzite, free from clay, fine particles, soft grains and dirt of every description, conforming to IS 8419, part-I, complete all as specified and directed. |
| 4 | Supply only new PVC strainer for pressure filter as per existing size and shape complete all as specified and directed. |
| 5 | Supply only filtration media gravel size 1/8" to 1/4" consisting of hard, rounded stone with average specific gravitynot less than 2.5 and free from clay, sand, loam and organic impurities of any kind, conforming to IS 8419, Part-I complete all as specified and directed. |
| 6 | Supply only filtration media gravel size 1/4" to 1/2" consisting of hard, rounded stone with average specific gravitynot less than 2.5 and free from clay, sand, loam and organic impurities of any kind, conforming to IS 8419, Part-I complete all as specified and directed. |
| 7 | Supply only filtration media gravel size 1/2" to 1.0" consisting of hard, rounded stone with average specific gravitynot less than 2.5 and free from clay, sand, loam and organic impurities of any kind, conforming to IS 8419, Part-I complete all as specified and directed. |
| 8 | Supply only filtration media gravel size 1.5" to 2" consisting of hard, rounded stone with average specific gravity not less than 2.5 and free from clay, sand, loam and organic impurities of any kind, conforming to IS 8419, Part-I complete all as specified and directed. |
| 9 | Supply only granular activated carbon media in iron removal filteration plant as directed by GE. (Note:- Purchase voucher having GST number of activated carbon media shall be submitted before payment claim) |
| 10 | Supply only manganese Dioxide (MnO2), bulk density 1.8 gm/cum (Approx) media, approximate size 10mm x 15mm with MnO2 contents minimum 65%, suitable for use in oxidation chamber, complete all as specified and directed by GE. (Note:- Purchase voucher having GST number of activated carbon media shall be submitted before payment claim) |
| 11 | S&F for male female threaded adaptor suitable for soda ASH/Alum pots including taking down old adaptors complete all as specified and directed. |
| 12 | S&F for PVC Diaphram valve of size 15 mm, PN-1.6 suitable to fix in soda Ash andAlum pot complete all as specified and directed . |
| 13 | S&F for heavy duty PVC flexible armoured pipe with jubilee clip on both ends of size 15 mm dia suitable for fixing with soda ash and alum pot complete all as specified anddirected. |
| 14 | Repair the unserviceable butterfly valve 150mm bore by dismantling all the parts and replacement of all unsercieable parts like lock nut, gaskets , Pakcings, nuts, bolts & washers and making it functional complete all as specified and directed. |
| 15 | Repair the unserviceable butterfly valve 100mm bore by dismantling all the parts and replacement of all unsercieable parts like lock nut, gaskets , Pakcings, nuts, bolts & washers and making it functional complete all as specified and directed. |
| 16 | M&L for rewinding of electric motor of pump set/compressor/Siren of capacity 3 HP to 5 HP with supper enamelled copper wire of existing gauge, varnishing drying with electric furnace process with taking down burnt winding cleanining of stator and rotor, replacement of bush, bearing and greasing etcincluding taking down/dismantling from its base or from roof of building complete testing & commissioningall as directed by engineer in charge (Note:- Cost of copper wire of existing gauge, varnishing drying with electric furnance process, bush, bearing, greasing etc., shall be included in this item.) |
| 17 | M&L for rewinding of electric motor of capacity 0.5 to 2HP with supper enamelled copper wire of existing gauge, varnishing drying with electric furnace process with taking down burnt winding cleaning of stator and rotor including replacement of bush, bearing and greasing including testing& commissioning complete all as directed. (Note:- Cost of copper wire of existing gauge, varnishing drying with electric furnance process, bush, bearing, greasing etc., shall be included in this item.) |
| 18 | Taking out existing submersible pump set of any capacityfrom bore well and lowering the same after reparis the pump set or adding the extra length of cable,welding workincluding disconnecting and re-connection of all electric & mechanical connection complete all as specified and directed. (Note:- (i) one lifting & one lowering shall be measured one job in this item.(ii) Repair to pump set and adding extra length of cable,welding work shall be measured and paid separately) |
| 19 | S&F for Cast Iron Butterfly valve including nut bolts washers of size 150 mm dia, PN 1.6, suitable for existingpressure filter including taking down old unserviceable valves complete all asspecified and directed. |
| 20 | S&F for Cast Iron Butterfly valve including nut bolts washers of size 100 mm dia, PN 1.6, suitable for existingpressure filter including taking down old unserviceable valves complete all asspecified and directed. |
| 21 | S&F for 20 mm bore gunmetal gate valve heavy duty with iron wheel head, screwed both ends for iron pipe after taking out of old unserviceable 20 mm bore gatevalve of any type complete as in repair all as specified and directed. |
| 22 | S&F for 25 mm bore gunmetal gate valveheavy duty with iron wheel head, screwed both ends for iron pipe after taking out of old unserviceable 25 mm bore gatevalve of any type complete as in repair all as specified and directed. |
| 23 | S&F for 40 mm bore gunmetal gate valve heavy duty with iron wheel head, screwed both ends for iron pipe after taking out of old unserviceable 40 mm bore gatevalve of any type complete as in repair all as specified and directed. |
| 24 | S&F for 50 mm bore gunmetal gate valve heavy duty with iron wheel head, screwed both ends for iron pipe after taking out of old unserviceable 50 mm bore gatevalve of any type complete as in repair all as specified and directed. |
| 25 | Taking down centrifugal pumping set of 5/7.5 HP capacity from semi ground sump, open type after disconnection of electrical & mechanical connection and dismantling all the wornout parts, re-winding of mortor with supper enamelled copper wire of existing gauge, varnishing drying with electric furnace process including taking down burnt winding cleaning of stator and rotor, replacement of bearing, bush, oil seal etc, re-assembling the same and refixing the pumping set including electrical & mechanical connection & testing commissioning complete all as specified and directed. (Note:- Cost of copper wire of existing gauge, varnishing drying with electric furnance process, bush, bearing, oil seal, greasing etc., shall be included in this item.) |
| 26 | M&L for cleaning of existing RCC/steel overhead tank of capacity 90000 ltrs at 25 mtrs staging through six stage mechanical tank cleaning process by involving the following six stages of cleaning process complete all as specified and as directed by Engr-in-Charge. The six stages of cleaning process are as under :- (a) De-watering by high pressure submersible pumpcomplete. (b) Total removal of sludges by suction pumpscomplete. (c) Cleaning of walls, ceiling & floor by high pressure German Jet of 80-80 bar pressurecomplete. (d) Removal of all dirt particles and sludge by vaccum pump specially disignedcomplete. (e)Anti-bacterial treatment of inside of tank which is effective against all pathogenscomplete. (f)Sterlization of tank atmosphere by industrial ultra-violet radiation leaving the tank completely sterilized complete. (Note : - (i)The entire work should be carried out by Government approved agencies having experience in such type of Govt. work as approved by GE before execution of work. (ii) Entire T&P should be arranged by the Contractor at their own cost. Only electric power & water shall be supplied by MES at the stipulated rate. (iii) "Date of cleaning" should be written over the outer surface of tank by synthetic enamel paint with lettering not less than 100mm height. Cost of the same is deemed to be inclusive in the quoted unit rate of cleaning of tank. |
| 27 | All as per srl item No 26 here-in-before above but existing RCC/steel overhead tank of capacity 50000 litre. |
| 28 | All as per srl item No 26 here-in-before above but for underground sump of capacity 90000 ltrs. |
| 29 | All as per srl item No 26 here-in-before above but for underground sump/ground level tank of capacity 55000 ltrs. |
| 30 | All as per srl item No 26 here-in-before above but for underground sump/ground level tank of capacity 544800 ltrs. |
| 31 | All as per srl item No 26 here-in-before above but for underground sump/ground level tank of capacity 247430 ltrs. |
| 32 | S&F for PVC insulated waterproof 3 core cable suitable for submersible pump set 1100 volts grade with standard copper conductor cable of size 6 sqmm including water proof jointing material complete as in repair all as specified and directed by Engr-in Charge. |
| 33 | Supply and replacement of SWR steel rope of size 8 mm including fixing double U clamps of suitable size complete all as specified and directed by Engr-in-Charge |
| 34 | S&F for Pump tube of existing make complete as in repair all as specified and directed. |
| 35 | S&F for Injection check valve 3/8"" of existing make complete as in repair all as specified and directed. |
| 36 | S&F for water pressure gauge 0 to 10.6 kg/cm2 pressure including gauge cock of suitable size, testing and commissioning after taking out old unserviceable pressure gauge with or without cock any type complete all as specified and directed. |
| 37 | S&F for Weighted suction line strainer 3/8"" of existing make complete as in repair all as specified and directed. |
| 38 | S&F for3/8"" white suction/discharge PVC tubing suitable for decrin Dosing pumpof existing make complete as in repair all as specified and directed |
| 39 | S&F for shaft with impeller, shaft made out of poly propylene rigid dia 32mm and 500mm long, impeller-two bladed pitched blade turbine and blades are welded to shaft of existing make complete as in repair all as specified and directed. |
| 40 | S&F for connecting nut 3/8" with adapter complete as in repair all as specified and directed. |
| 41 | S&F for check valve duckbill onlyof existing make complete as in repair all as specified and directed |
| 42 | S&F for glands of size 12 mm complete as in repair all as specified and directed. |
| 43 | S&F forrubber bag of 105 ltrs for soda ash potcomplete as in repair all as specified and as directed. |
| 44 | M&L for construction of brick masonry new valve pit chamber of size 1200mmx1200mmx1200mm (internal) size, 100mm thick PCC (1:4:8) type D2 lean concrete foundation using 40mm graded stone aggregate, providing fly ash brick masonary wall of 250 mm thick, built in cement mortar (1:6), 15 mm thick rendering in cement mortar (1:4), finished even and smooth without using extra cement internally and externally and providing 3.15 mm thick MS sheet steel cover fixed on 50mmx50mmx6mm thick angle iron frame, embbeded in PCC copingwith locking arrangement and 1 Nos 50mm size 4 levers lock with key in duplicate Standard size and MS hold fast and handle made out of 25 x 6mm flat iron, appplyingtwo coats of synthetic enamel paint of approved shade, over a coat of primer (Red Oxide zinc chrome) to all surface of sheet and making good all disturbed surface complete after dismantling old unserviceable valve chamber all as specified and directed. |
| 45 | All as per srl item No 44 here-in-before above but size 1200mm x 900mm x900mm (internal) complete all as specified and directed. |
| 46 | All as per srl item No 44 here-in-before above but size 900mm x 900mm x 900mm (internal) complete all as specified and directed. |
| 47 | All as per srl item No 44 here-in-before above but size 650mm x 650mm x 650mm (internal) complete all as specified and directed. |
| 48 | Supply only calcium Hypo chlorite having 65 % - 70 % available cholrine packed in plastic drums for water treatment chemical. Complete all as specified and as directed. |
| 49 | Supply only raw water Poly aluminium chloride AC/100S inorganic soluble polymer in sealed plastic bag, medium basicity, suitable as a flocculant for treatment of water. |
| 50 | supply only chlorine test kit with coloured ample complete with all testing fitments and OT solution in rexine finish box complete all as specified and directed. |
| 51 | Supply only OT solutionforchlorine testing (500 ml) |
| 52 | supply only iron test kit with colured sample complete with all testing fitments and OT solution in rexine finish box complete. |
| 53 | Supply only IRON TEST solution (3 botls x 500 ml each). |
| 54 | Detecting the leak points from joint, burning out lead joint in position and rejointing the same with retrieved lead for reuse or new lead as requiredand testing of no leaking of 150mm dia cast iron pipe complete all as specified and directed. (Note: Excavation and earth work shall be measured and paid separately) |
| 55 | Detecting the leak points from joint, burning out lead joint in position and rejointing the same with retrieved lead for reuse or new lead as requiredand testing of no leaking of 100mm dia cast iron pipe complete all as specified and directed. (Note: Excavation and earth work shall be measured and paid separately) |
| 56 | Detecting the leak points from joints including dismantling of joints of flanged pipe in position, including removing old rubber or fibre board gaskets, bolts, nuts etc and rejointing the same with new rubber or fibre board gasket, bolts, nuts etc and testing of no leaking of 150mm dia cast iron flange pipe complete all as specified and directed. (Note: Excavation and earth work shall be measured and paid separately) |
| 57 | Detecting the leak points from joints including dismantling of joints of flanged pipe in position, including removing old rubber or fibre board gaskets, bolts, nuts etc and rejointing the same with new rubber or fibre board gasket, bolts, nuts etc and testing of no leaking of 150mm dia cast iron flange pipe complete all as specified and directed. (Note: Excavation and earth work shall be measured and paid separately) |
| 58 | Excavation in trenches n exceeding 1.5 m wide and n exc 1.5 m depth for taking out pipe & laying of pipe & getting out for diverting ofpipe line etc in soft/loose soil complete all as specified and directed. |
| 59 | Returning, filling in trenches including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick (soil) complete all as specified and as directed. |
| 60 | Removing of excavated soil to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed. |
| 61 | Testing of water samples(Raw water from borewell and treated water both) including collection of samples in bottles/containers and depositing to testing agency i.e WB pollution control board or any approved Govt lab in same day and submitting results complete all as specified for following parameters (a) Turbidity, (b) Ph Value (c) Total hardness (d) Iron ,(e) Chloride (f) Residual free chloride, (g) Fluoride (h) Dissolved solids (j) Calcium (k) Mercury (l) Arsenic(m) Lead (n) Pesticides (o) Alkanity (p) Nitrate (q) Total collifarm (r) e- collifarm (Note:- (i) water sample collection from pump house No. 1, 2, 3, 4 and water treatment plant (ii) Payment shall be made of each water sample test report considering of all parameters mentioned above) |
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