Tender for KOLKATA METROPOLITAN DEVELOPMENT AUTHORITY - NTID 30774073
KOLKATA METROPOLITAN DEVELOPMENT AUTHORITY
Kolkata, West Bengal, India
NTID 30774073
- Opening Date : Wed 22nd February, 2023
- Closing Date : Mon 20th February, 2023
- ₹ 0.00
- NTID 30774073
Supply And Dosing Of High Strength Calcium Hypochlorite Granular Chlorine Through The Mechanical Stirring System For Making Solution Of Water And Calcium Based Granules Directly Charged On Line Injection By Mechanical Regulated Dosing Pumps During Supply Hours Of Respective Ugr S To Achieve The Residual Chlorine Of 0.50 Ppm To 0.60 Ppm & 1 Ppm During Emergency Period Throughout The Supply For (a) 3 Mg Capacity At Tank No.5 Ugr (b) 4 Mg Capacity At Tank No.13 Ugr Years Under Bidhannagar Municipal Corporation Area.
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BOQ Items Total Items : 4 | Total Qty : 30134
# | Item | Quantity | Units |
---|---|---|---|
1 | Supply and delivery of high strength calcium hypochlorite granules (available chlorine 60% to 70 %) at different UGRs for making solution by mechanical stirring systyem and directly charged online throghout the supply hours to achieve residual chlorine of 0.5 to 0.6 ppm at generating point with following specification: the chemical should be white to off white in colour, free from all foreign matter decomposing at 1770C, decomposes in water and alcohol, non hygroscopic, practically clear in water solution at saturation level permissible limit of 8% with 2% moisture content. The granular size should pass through 100 RSS mesh 1.5% maximum. The brand and make of the chemical must be stated and certified by AIIH & PH/ similar Govt. organisation not earlier than 2011, stating the stability, strength, health safety and use of the product for drinking water chlorination. | 27855.000 | KG |
2 | Labour for operating mechanical stirring system for making the solution of water and calcium based granular chlorine in dosing tank of 100 lt to 200 lt capacity, high pressure single head gear adjustable dosing pump including stand by pump complete with all accessories ( for three times operations per day ) with necessary fixtures for direct on line injection by mechanically regulated dosing pumps during supply hours to achieve 0.5 to 0.6 P.P.M of residual chlorine through out the supply hours including all labours, materials, operation, supervisors charges and documentation and testing charges of residual chlorine all complete. (Analysed Rate) as per Labour Deptt Govt of WB 2022 | 2192.000 | Man-Day |
3 | Operation & Maintenance of mechanical stirring system including dosing tank, functional & standby pumping arrangement , Plumbing arrangement with accesories, mixing arrangemnt including electrical accessories & connection at site all complete. | 15.000 | LS |
4 | Bacteriological test of treated water from any NABL accredited laboratory, institution/department. The sample to be collected from the source outside the UGR | 72.000 | LS |
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