Military Engineer Services-MES has published Replacement Of Filtermedia Of Filteration Plant And Supply Of Lime Alum Bleaching Powder Chlorine At Mil Station Pithoragarh Under Ge Mes Pithoragarh. Submission Date for this Tender is 01-02-2022. Chemical Supply Tenders in pithoragarh Uttarakhand. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 25-Jan-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 01-02-2022 |
| Sl. No. | Item Description |
| 1 | DESCRIPTION OF ITEMS |
| 2 | Taking out existing filter media various sizesfrom slow sand gravity filter bed ofsize 7mx3.5mx2m qty-02 nosand stacking out properly outside of the filteration plant and depositing the same as directed by Engineer-in-Charge with in 100 mtrs complete all as specified and directed. |
| 3 | Taking out old activated carbon of any type / any size complete all as specified and directed. |
| 4 | Preparation / cleaning of complete internal surfaces offilteration plantby brooming down or steel wire brushing, scrapping down smoke soot, moulds, moss and inflorescent, trading oil and greasy spots complete all as specified and directed. |
| 5 | M & L for painting of ramp of filter bed & filteration plant with one coat of water based paintof old existing surface to any surface surfaces of any description over 10 cm in width or girth incl preparation of old surfaces complete all as spfd and directed. (Note- colour of paint as directed by Engineer-in-Charge). |
| 6 | M & L for filling, spread and levelled of filter media of verious sizes in filter bed of size 7mx3.1mx2.5mqty-02 nosas follows:- (a)50 to 40mm size hand picked screened and graded stone aggregate 150mm thick from bottom surface |
| 7 | (b) 40 mm to 12.5 mm size hand picked screened and graded stone aggregate filling 150mm thick |
| 8 | (c) 12.5 mm to 6 mm size hand picked screened and graded stone aggregate filling 150m thick. |
| 9 | (d)10 mm to 3 mm size hand picked screened and graded stone aggregate filling 150mm thick. |
| 10 | (e) 6 mm to 2 mm size hand picked screened and graded stone aggregate filling 150mm thick. |
| 11 | (f)700 to 600 micron size screened, graded and dust free quartz sand filling 300mm thick |
| 12 | (g) Activated carbon ID 800 for color, smells & excess chemical |
| 13 | Supply only Calcium Hypo chlorite (Calciam based granular chlorination chemical) of 65 to 70 % chlorine content suitable forwater disinfection complete all as specified and directed. |
| 14 | Supply only powdered chlorine dioxide for treating drinking water complete all as specified and directed. |
| 15 | Supply only fat lime, unslacked, class "C" , complete all as specified and directed. NOTE:Fat lime, unslacked not more than 2 months old packing. |
| 16 | Supply only stable bleaching powder conforming to IS - 1065, grade - I in 25 Kg packing, packed in polyethylene bag (not more than 2 months old packing), complete all as specified. |
| 17 | Supply only Alum Ferric Grade 4,conforming to IS - 299(latest) for solid form for treatment of water intended for drinking complete all as directed. |
| 18 | Supply only poly aluminium chloride (PAC) concentration for STP |
| 19 | Supply only poly aluminium Electrolite (PE)Max Flow A-107 for STP |
| 20 | Supply only Sodium Hypochlorite solution 6 % availablefreechlorine for dosing at CCT & TWT of STP Make:Thermax/ Aditya birla group |
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