Assam Rifles-AR has published Special Repair To Filtration System Of Pump Houses Including Replacement Of Filter Media, Multiport Valves Distribution Sys Resuscitation Of Bore Well, Change Of Panels And Allied Servicesfor Artc&S At Diphu. Submission Date for this Tender is 31-10-2022. Filter Media Tenders in Dimapur Nagaland. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 27-Oct-2022 | Changes in tender documents | Other | 31-10-2022 |
| Sl. No. | Item Description |
| 1 | M & L for dismantling of existing 10000 GPH Pressure filter including removal of existing old filter media of various sizes , unserviceable strainers etc and deposited to place where directedcomplete :- (a) cleaning the surfaces ofPressure Filterand all accesseswith emery paper, preparing the surfaces and painting with two coats of synthetic enamel paint over a coat of red oxide primer on outer surfaces and two coat of black bituminous paint on inner surfaces of IRP of capacity 10000 GPH all as specified and directed. (a) supply and fill treated barker sand of 16/32 mm size andGravel of size 1", 3/4", 1/2", 3/8", 1/4", 1/8" -185 Cft (b)Supply and fixing rubber gasket joint for all packing required places of IRP unit- 01 Job (c)Supply and replacement of plastic strainer (push Type)of approved quality and size as existing all as specified and directedof 450 Nos (d)replacement of existing MNO2/anthracite from oxidation chamber with new MNO2 lumps to be used as oxidizing agent- 34 Cft (f) Supply and fix diaphragm valves/sluice cast iron angular type of size 80 mm dia -02 Nos (g) Supply and fix water pressure gauge duly calibrated of existing size complete 01 Joball as specified and directed. (h)Necessarywater report as per IS-10500 will besubmitted to this office after completion. |
| 2 | M & L for dismantling of existing 5000 GPH Pressure filter including removal of existing old filter media of various sizes , unserviceable strainers etc and deposited to place where directedcomplete :- (a) cleaning the surfaces ofPressure Filterand all accesseswith emery paper, preparing the surfaces and painting with two coats of synthetic enamel paint over a coat of red oxide primer on outer5000 GPH all as specified and directed. (a) supply and fill treated barker sand of 16/32 mm size andGravel of size 1", 3/4", 1/2", 3/8", 1/4", 1/8" ( as per Site requirement) (b)Supply and fixing rubber gasket joint for all packing required places of IRP unit- 01 Job (c)Supply and replacement of plastic strainer (push Type)of approved quality and size as existing all as specified and directed ( as per Ground requirment) (d)replacement of existing MNO2/anthracite from oxidation chamber with new MNO2 lumps to be used as oxidizing agent(As per site requirement) (f) Supply and fix diaphragm valves/sluice cast iron angular type of size 80 mm dia -02 Nos (g) Supply and fix water pressure gauge duly calibrated of existing size complete 01 Joball as specified and directed. (h)Necessarywater report as per IS-10500 will besubmitted to this office after completion. |
| 3 | M/L taking out old UNSV 8040 membrane ( 05 Nos each plant)from5000 LPH RO Plant includingprovding fixingof new membrane ofMake : Dow/Hydranautics) |
| 4 | M/L dismantlingof existing multiport valve automatic type(PVC)from IRP and Activated carbon filterof 10000 GPH including supply and fixing5x Butterfly Valvewith MS piping of 80 mm dia including necessary connection and testing all as specified and directed at site. |
| 5 | Pumping sets, monoblock, electric driven, supply and Install complete up to 20WHP inclusive of starter and PCC foundation . Suctionxdelivery size and heads will be apporved by Engr-In-Charge. (Make: KBL/Crompton/KSB) |
| 6 | Development of tube well with compressed air and after with 25% extra capacity pump by pumping muddy waterDevelopment of tube well in accordance with IS : 2800 (part I) and IS: 11189, to establish maximum rate of usable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by “V” notch method or any otherpproved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, i/c disinfection of tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge. (For 24 Hours) |
| 7 | Taking out submersile pumping setupto 20 HP capacityfrom bore holefor development ofbore hole including lowering after compression work complete. |
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