Public Works Department-PWD has published Tender For Maintenance Of Curti Treatment Plant. Supply And Topping Of Filter Bed No. 4 With Filter Media (Sand) Of Effective Size (0.45 Mm To 0.70Mm ) At 72 Mld Treatment Plant At Curti For Opa Water Works.. Submission Date for this Tender is 25-09-2023. Filter Media Tenders in South Goa Goa. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Supplying of Filtersand of size conforming to the IS specification with latest amendments suitable for Rapid gravity sand filter media (sand) conforming to the IS specification with latest amendments suitable for Rapid gravity sand filter for treating water in treatment plants with following specification as perthe sizes as given below;- |
| 2 | a) Effective size- 4.50mm to 0.70mm |
| 3 | b) Uniformity Co-Efficient- (1.30 to 1.70) |
| 4 | c) Specific gravity - 2.55 |
| 5 | d) Silica content more than- 90% |
| 6 | e) Acid Solubility less than - 5% |
| 7 | f) Loss on ignition less than- 1.5% |
| 8 | Removal of existing worn out filter media (sand) from the filter bed No.4 of 72 MLD water tratment plant at Curti and dumping the same at a distance of 100mts. as directed by officer In-charge. |
| 9 | Addition of new filter media (sand) in the filter bed No.4 of 72 MLD water treatment plant at Curti at Opa water works. as directed by officer In-Charge. |
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