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| 1 | Isolating the clarifier from upper and down streams of its flow and dewatering the water from the FST with the help of submersible, clean the site manually for execution the work including provide of gunny bags if required. |
| 2 | Safety arrangements as per NHRC guidelines for execution of work safely which includes safety belt, Gumboot, helmet, oxygen cylinder, face mask etc. |
| 3 | Making temporary platform around the central post of FST for safe working of staff on central cage as per requirement. |
| 4 | Dismantling/Cutting of all worn out structure i/c scrapper, scrapper arms, bridge, chequered sheet, damaged central drum, angle iron structure and nut-bolts/rivets with the help of gas cutter, manpower and lowering lifting, tools & tackles as per requirement. |
| 5 | Dismantling the motor and primary gear box, central gear box and other mechanical fixtures from the top of central mechanism with the help of gas cutter/tools & tackles and shifting the same to workable place. |
| 6 | Repairing/Overhauling of the primary reduction gear box fixed on the top and central mechanism i/c replacement of damaged spares of the gear box and central mechanism, the job also include replacement of bearings (roller/ball) & gear oil etc. for the same. Make of Bearings: - DJB approve make. |
| 7 | Strengthening of rotating structure by providing and fixing damaged M.S. Angle size 50x50x6mm, 65x65x8mm, 75x75x8mm as per sample in terms of shape, size & MOC.(750 KG APPROX) |
| 8 | Providing and Fixing of bottom scrapper made out from 8mm thick MS sheet of size approx. 2700X200x8 along with replacement of rubber squeezer of 100% synthetic rubber. Make:- Jyoti/National |
| 9 | Renovation of centre drum by providing patch work with 6mm thick sheet (10 sqm approx.) MS sheet with the help of electric welding as per site requirement |
| 10 | Repairing of damaged vertical structure of central drum, M.S. angle iron of size 150x150x8mm and 75x75x8mm .By welding & providing nut bolt etc. as per requirement at site. (350 KG Approx) |
| 11 | Strengthening of bridge structure by providing and Fixing of MS angle of size 75x75x8 mm, 65x65x8 mm, MS channel of size 100x50 or suitable size.(300 kg approx.) |
| 12 | Providing and fixing of SS Tie Rod of size 16mm dia length 5 Mtrs. Approx. |
| 13 | Dismantling of worn out V-notch of rusted nut bolt with the help of manual labour, gas cutter and tools & tackles as per site requirement. |
| 14 | Providing and Fixing the v-notch made by fiber sheet by S.S nut bolts with fasteners and civil work as per site requirement. |
| 15 | Providing the synthetic enamel black paint (in 20 Ltrs. Packing) Make:- Asian/Nerolec/Berger |
| 16 | Providing of thinner (General propose) for diluting the paint (in 20 Ltrs. Packing) |
| 17 | Painting the complete structure with one coat of epoxy primer and two coat of enamel paint. |
| 18 | Testing & Commissioning the complete FST including filling of lubricating oil approx. 160ltrs.after completion in all respect on No Load/Full Load. Please Enable Macros to View BoQ information |