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| 1 | Annual mechanical maintenance and painting |
| 2 | OD29627/2025-2026:Removing debris and cleaning the shutter, its grooves, sill, guide track, seal track, and roller track. |
| 3 | OD29630/2025-2026:Cleaning of plummer blocks and its bearings, linkages, rope drum gears, manual operating mechanism, dial gauge, pulleys and rollers; check for free rotation of pulleys and rollers, cleaning and adjustment of EM brake drum and brake pads, dial gauge, etc; check motor for operation/abnormal noise, etc. including cost of labour, material, tools and machinery, safety equipments. |
| 4 | OD29629/2025-2026:Supplying and fixing of MS bolt with nut and washer for shutter and its hoist unit components. |
| 5 | OD29625/2025-2026:Supplying and fixing of SS bolt with nut and washer for shutter and its hoist unit components. |
| 6 | OD29681/2025-2026:Supplying grease NLGI 2 (EP2 grade) for plummer blocks of hoisting mechanism, gear wheels, pinions, manual operating mechanism- chain and sprocket, pillow block , pulley pins and gate rollers |
| 7 | OD29686/2025-2026:Supplying gear oil (Grade SAE 90 )for worm reducer of rope drum type hoist mechanism. |
| 8 | OD29622/2025-2026:Supplying and applying cardium compound on wire ropes of rope drum type hoist mechanism of vertical shutters. |
| 9 | OD29621/2025-2026:Over coat painting the regulator gates and embedded parts with two coats of epoxy tar black paint confirming to IS:14948 with a minimum film thickness of 150+/-5 microns per each coat, after cleaning the surface using high pressure water jet including cost of materials, labour charges, cost of testing all painting materials, incidental charges, hire of T&P, etc. complete as per the direction of department officers at site. |
| 10 | 85.115:Cost of painting with 2 coats of enamel paint over 1 coat of zinchromate primer as per IS1477:1994 after hand and power tool cleaning including cost of all materials, labour charges, cost of testing all painting materials, all incidental charges, hire of T&P etc. complete as per the direction of department officers at site |
| 11 | OD29628/2025-2026:Correcting alignment of shutters and tightening of wire ropes/chains, checking and tightening of bolt and nuts of hoisting unit viz. reduction gear units, pulleys, rope drums, etc. of rope drum type operated shutters; and conducting trial run. |
| 12 | Dismantling and Changing of rubber seals of shutter |
| 13 | OD29620/2025-2026:Dismantling and stacking the bottom and two nos vertical rubber seals for lock shutter by cutting rubber seal clamp, bolt joint ,cost includes cost of labour and hire charge of tools etc |
| 14 | 85.116:Supplying and fixing in correct position with specified initial interface the flat type rubber seal confirming to IS 11855 to the gates including cost of SS bolts and nut all labour and machinery and incidental and conveyance charges complete as per approved specification and drawing |
| 15 | 85.117:Supplying and fixing in correct position with specified initial interface the Angular type rubber seal confirming to IS11855 to the gates including cost of SS bolts and nuts and all labour and machinery and incidental and conveyance charges complete as per approved specifications and drawings Please Enable Macros to View BoQ information |
