Public Health Engineering Department-PHED has published Planning,Design,Investigation,Construction,Erection,Installation,Completion Testing And Commissioning In All Respect Of Entire Units Of Arsenic Cum Iron Removcal Plant (Airp) Of Different Capacities Capable Of Removing Arsenic & Iron Present In Ground Wat. Submission Date for this Tender is 22-01-2024. Iron removal Plant Tenders in Murshidabad West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 04-Jan-2024 | OTHER | Other | 22-01-2024 |
| Sl. No. | Item Description |
| 1 | Construction of Arsenic-cum-Iron Removal Plant (AIRP) to reduce Arsenic concentration to 10 ppb (0.01 mg/l) and Iron to 100 ppb (0.1 mg/l) from influent concentration upto 500 ppb (0.5 mg/l) and 3000 ppb (3 mg/1) respectively (single /multi-stage) based on oxidation followed by chemical co-precipitation, filtration etc. and departmental process/hydraulic design consisting of inlet arrangement, oxidation chamber (30 minute detention time), flash mixer, flocculation and sedimentation unit, filtration unit with Back washing arrangement (including the cost of 2 years polishing media where applicable) with air and water, back wash water tank of suitable capacity, and staging height, air compressors, blower etc, with activated alumina chamber all with pneumatic valve and control arrangements, clear water reservoir (30 minute detention time), Solid-liquid sludge separation bed with 100% recirculation facility, and Covered Sludge Collection Tank of suitable capacity including the cost of all mechanical and electrical items (but excluding the cost of Raw water inlet pumps and clear water pumps), all accessories & RCC sludge storage tank etc, chemical house-cum-store, excluding administrative building , allied pipeline, integration of total plant etc. all Complete showing all necessary rrangements, structural & hydraulic detail based on departmental drawing and specification with trial run for a period of 3 (three) months after completion of the works and 3 months maintenance after successful trial run including the cost of chemicals but excluding the cost of electricity charges. Type-1- Partial Gravity System with Pressure Filter and Pressurized Upflow Polishing Unit — with mechanized clariflocculator, pressure filter, with or without pressurized up-flow activated alumina chamber all complete as per departmental drawing no. PC-I/AIRP/Type-1/Sheet-1 & 2. I) With Activated Alumina polishing unit |
| 2 | Operation & Maintenance for Arsenic cum Iron Removal Plant ofGround Water Supply Scheme for 5 years after sucessful 3 month Trial run and 3 month piliminary maintainance including Opening & closing of all the different dia sluice valves on different places along the alignment of the rising main and distribution main within Head Works Site daily as and when required for regulating the supply of water and distributing water all over the command area, Chemical & bacteriological testing of Raw Water & Treated Water sample including cost of collection , regular alarm dosing and required Chemical dosing of required quanty, CWR/ Chlrifocculator cleaning/ Oxidation with flash Mixture, washing and disinfecting the same with bleaching powder, including machinery, tools & plants etc and other works as per instruction of Engineer in charge |
| 3 | Sub Total= |
| 4 | Add @ 18 % GST ofTotal (A)= |
| 5 | Total= |
| 6 | Add @ 1 % CESS of Total (B) = |
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