GENERAL- Palayivalavu SWE RCB- Kasaragod District- Preventive maintenance of 16 nos of Regulator shutters and 02 nos of Vertical Lock gates - General Mechanical Work

Groove cleaning

OD41207/2023-2024:Removing debris and cleaning the shutter, its grooves, sill, guide track, seal track, and roller track.

Dismantling and Changing of rubber seals of Regulator and Lock shutters

OD38145/2024-2025:Dismantling and stacking the bottom and vertical rubber seals by cutting rubber seal clamp, bolt joint ,cost includes cost of labour and hire charge of tools etc

OD38153/2024-2025: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

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

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

85.118:Supplying and fixing in correct position with specified initial interface L-type / bulb nose 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

Overhauling of Roller assembly and Side guide

OD38154/2024-2025:Clean Roller assemblies from grit, sand or any other foreign material , Grease the Roller axle to the the required amount as per the instruction of the departmental officers at site, Check Roller by hand for free rotation, Check all nuts and bolts for tightness etc complete

OD38159/2024-2025:Overhauling the side guide and check the clearance to provide the smooth running for shutter in guide track otherwise correct the clearance , all leads and lifts ,incidental and handling charges etc. complete

Overhauling of Hoist mechanisms

OD38189/2024-2025:Cleaning and greasing of plummer blocks and its bearings, linkages, rope drum gears, manual operating mechanism, dial gauge, pulleys, check for free rotations of pulleys , cleaning EM brake drum and brake pad; check motor for operation/abnormal noise, adjustment of EM brake, dial guage, etc., including cost of labour, material, tools and machinery, safety equipments.

OD50893/2025-2026: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.

OD41216/2023-2024:Supplying gear oil (Grade SAE 90 )for worm reducer of rope drum type hoist mechanism.

OD41214/2023-2024:Supplying and applying cardium compound on wire ropes of rope drum type hoist mechanism of vertical shutters.

OD46936/2025-2026:Supply and fixing of MS Bolts

Painting of Regulator and Lock shutters

OD35937/2025-2026:Painting all the exposed surfaces of the gate after cleaning Ultra High Pressure Jet washing to remove all the loose rust and contaminants and then by hand and power tool methods. After drying, solvent cleaning to remove any oil content on surface. Painting includes the application of High Build, Low VOC surface tolerant epoxy mastic coating cured with mannich curing agent as primmer with a minimum film thickness of 1 x 150 microns, intermediate coat with Low VOC, epoxy high build underwater coating which can cure even in under water conditions; having excellent resistance to, water and chemical environments meant for immersion condition; volume solids minimum 83 %; with a minimum film thickness of 1 x 200 microns and finishing coat same as intermediate coat with a minimum film thickness of 1 x 200 microns. The rate includes the cost of all materials, labour, testing of painting materials, hire of tools and plant (T&P), all incidental charges, and complete as directed by the departmental officers at the site.

Painting of Hoist bridges of Regulator and Lock shutters

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

Correcting the alignment of shutters and conducting trial run

OD38162/2024-2025:Correcting alignment and tension adjustment of wire ropes , Checking and tightening of bolt and Nuts of hoisting unit, viz reduction gear units, pulleys, Plummer blocks, rope drums etc.If required to tightening provide and fixing U clamp for clamping loosened wire rope

OD38163/2024-2025:Conducting Trial Run of Shutters

Temporary Platform for painting and rubber seal changing

OD46873/2025-2026:Providing and fixing scaffolding system 40 mm dia. M.S. tube horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, and M.S. clamps in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracing, runners, connection with the structure etc wherever required for inspection of work at required location with essential safety features for the workmen etc. complete as per directions and approval of Engineer- in Charge.