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14,171 results • Best match
Operation and Maintenance Of RAIGANJ MUNIPALITY Z-III piped Water Supply Schemes in Raiganj Block of Uttar Dinajpur district under Raiganj Division, PHE Dte
Operation & Maintenance Of RAIGANJ MUNIPALITY Z-III piped Water Supply Schemes in Raiganj Block of Uttar Dinajpur district Under Raiganj Division,PHE Dte [for a Period of 12 (Twelve) Months]
Operation and Maintenance Of RAIGANJ MUNIPALITY Z-II piped Water Supply Schemes in Raiganj Block of Uttar Dinajpur district under Raiganj Division, PHE Dte
Operation & Maintenance Of RAIGANJ MUNIPALITY Z-II piped Water Supply Schemes in Raiganj Block of Uttar Dinajpur district Under Raiganj Division,PHE Dte [for a Period of 12 (Twelve) Months]
BOQ
Laying and fitting of G.I. pipes (all classes) complete excluding cost of pipes, fittings and Earth work. (external work) 80 mm dia (m)
BOQ
Laying and fitting of G.I. pipes (all classes) complete excluding cost of pipes, fittings and Earth work. (external work) 100 mm dia (m)
BOQ
Laying and fitting of G.I. pipes (all classes) complete excluding cost of pipes, fittings and Earth work. (external work) 80 mm dia (m)
Sewerage and Septage Management for sewer system with STP and laying, jointing, testing and commissioning of Sewerage System in six (06) ULBs of Cluster-1 including 1 year defect liability with 10 years O and M.
Rapid Sand Gravity Filters with shed Applicable to plant capacity above 10MLD only. Filter House (RCC framed structure with infill brick masonry walls) and RCC filter beds with sand and gravel bedding as per hydraulic and process design adopting 6000 Liters/hour/sq.m. Filtration rate with 2m water above sand media with under drainage system and inlet, outlet, backwash (rate 600LPM per Sq.m.) piping, pipe gallery, platform min. 5.5m in width and valves/gates arrangement as per design and detail specifications. a. Filter Sand Effective size 0.45 to 0.7 mm, uniformity coefficient not more than 1.7 nor less than 1.3, depth of sand 0.75m, free board 50cm, gravel 0.45m in depth, sand and gravel confirming to IS: 8491 (i)- 77, backwash by air wash (if specified) and hard wash by water, standard appurtenances (to be specified), rate of flow controller, filter gauge, sand expansion gauge, etc. Wash Water Tank Wash Water tanks of capacity equal to 2% of designed quantity of filtered water in a day (+) 10% with 8 to 10 Mtr. Head (as specified) Wash Water Pumps Wash Water Pumps with 100% Standby Air Blowers Capable of delivering 750 to 833 LPM per sq.m of free air flow area at 0.35 to 0.4 Kg/sq m at the under drains (100% standby) (For capacity of PF more than 10 MLD) Valves/gates Inlet, outlet, wash water inlet-outlet and all types and sizes of valves/gates as per design of specified make/brand. All types gauges and meters required for filter operatins and backwashing etc. The filtration systme could also be well tested cloth media disk filtration