KKM HEP- DRIP II- Special repars to the Intake gate, Scour gate, gate grooves, hoist and connected structructures of Kakkayam dam

Amount

Appendix : A. REPAIRING OF INTAKE GATE

Gas cutting and removing existing rubber seals of gate, supplying and fixing new seals of same size and quality as per standard specifications using stainless steel bolts of suitable size and SS plates of same thickness and neatly jointing the seals including cost of all materials, labour charges, bolt hole drilling charge etc. to control the leakage within the permissible limit as per the direction of the departmental officers.

Supplying and fixing new mechanically spliced ungalvanised single steel wire rope of 28mm dia, 6 x 36 construction, FMC, 1770 N/mm2, type of core/lay direction - jute / RHOL, satisfying IS : 2266/2002 (same size and specification of the existing wire rope) after disconnecting and removing the existing wire rope from the gate and hoist, cleaning the rope drum and applying Cardium compound to new wire rope, removing and rolling the old rope and returning to the section store etc. complete including the cost of wire rope, spares, sockets, Cardium compound of approved quality and all other materials, fixing accessories, labor charges, transportation etc. complete. as per the direction of departmental officers.

Painting gates with Epoxy coaltar paint two or more coats over two coats of zinc rich primer after rubbing and cleaning the surface out of rust by wire brush, sand paper etc. including the cost of epoxy paint, primer, cleaning materials, scaffolding charges, transportation and labour charges etc. complete as per IS 14177:1994 (R 2004) for gates and appurtenances as per the direction of departmental officers.

Overhauling of wheel assembly including cost of shifting the gate to maintenance platform, keeping it safely for attending all the maintenance works and returning back to normal position after the completion of works including cost of materials etc. complete as per the direction of departmental officers.

Carrying out thorough underwater cleaning of the exposed surfaces of guides such as Rails and I - Sections using wire brush and compressed air to detect the cracks and pit holes if any including diver's charges.

Carrying out thorough cleaning of the exposed surfaces of guides such as Rails and I - Sections using wire brush and compressed air to detect the cracks and pit holes if any - above water.

Conducting CC TV Recording of the work before and after the rectification work and providing the videos in Pendrive as per the direction of the departmental officers - at above and below water.

Cutting and removing the damaged portions of steel rails, I Sections etc, if any in underwater condition and stacking the debris recovered at a suitable location as per site condition and refitting with the new materials of the same size and specifications including necessary welding charges, cost of CSK bolts, cost of all materials, labour charges, diving charges, hire charge of scaffolding etc. complete observing all safety precautions for men and materials without causing any damage to the Board's properties.

Cutting and removing the damaged portions of steel rails, I Sections etc. if any, and stacking the debris recovered at a suitable location as per the site condition and refitting with the new materials of the same size and specification including necessary welding charges, cost of CSK bolts, cost of all materials, hire charge of scaffolding etc.complete observing all safety precautions for men and materials without causing any damage to the Board's properties - above water.

Filling pit holes if any, in underwater condition, with welding materials of suitable grade and grinding to get a finished surface including cost of all materials, labour charges, diving charges, hire charge of scaffoldings etc. complete observing all safety precautions for men and materials without any damage to the Board's properties. Up to 10mm depth filling .

Filling pit holes, if any, in underwater condition with welding materials of suitable grade and grinding to get a finished surface including cost of all materials, labour charges, diving charges, hire charges of scaffoldings etc. complete observing all safety precautions for men and materials without causing any damage to the Board's properties. 11mm to 20mm depth of filling.

Filling pit holes, if any, with welding materials of suitable grade and grinding to get a finished surface including cost of all materials, labour charges, hire charge of scaffoldings etc. complete observing all safety precautions for men and materials without causing any damage to the Board's properties - Above water. Up to 10mm depth of filling.

Filling pit holes, if any, with welding materials of suitable grade and grinding to get a finished surface including cost of all materials, labour charges, hire charge of scaffoldings etc. complete observing all safety precautions for men and materials without causing any damage to the Board's properties - Above water. 11mm to 20mm depth of filling

Repairing & calibration of gate movement indicator including cost of all necessary supporting parts, accessories, painting etc.complete as per the direction of departmental officers.

Commissioning of the repaired gate including trial lifting and lowering of the gate, grinding the groove rails wherever required etc. complete to control the leakage within the permissible limit as per the direction of the departmental officers.

Appendix:B. REPAIRING OF SCOUR GATES (Emergency gate & Service gate)

Lifting of gates upto service floor level and keeping it in a position for conducting repair works after removing all the obstacles such as broken steel parts, pieces of wire ropes etc. in the gate grooves including diving charges, hire charges for tools and machineries, labour charges etc. complete as per the direction of deparmental officers

Cutting and removing the existing corroded and damaged steel seal seat plates & I Section and stacking the debris recovered at a suitable location, as per the site condition and fixing new stainless steel seal seat plates & guide of the same / suitable size in impound condition including necessary welding, cost of CSK bolts, cost of all materials, labour charges, diving charges, hire charges of scaffolding etc. complete, observing all safety precautions for men & materials, without causing any damage to the Board's properties - Under Water.

Cutting and removing the existing corroded and damaged steel seal seat plate & I Section and stacking the debris recovered at a suitable location, as per the site condition and fixing new stainless steel seal seat plates and Guides of same / suitable size including welding, cost of CSK bolts, cost of all materials and labour charges, hire charges of necessary scaffoldings etc. observing all safety precautions for men & materials without causing any damage to the Board's properties - above Water.

Carrying out thorough underwater cleaning of the exposed surfaces of guides and rails using wire brush and compressed air to detect the cracks, pit holes etc. including divers charges complete as per the direction of departmental officers.

Carrying out thorough cleaning of the exposed surfaces of guides and rails using wire brush and compressed air to detect the cracks, pit holes etc. including divers charges complete as per the direction of departmental officers.- above water.

Conducting CC TV recording of the work - before and after the rectification work and providing the videos in Pendrive as per the direction of the departmental officers- at above and below water.

Cutting and removing the damaged portions of steel rails if any in underwater condition and stacking the debris recovered at a suitable location as per the site condition and refitting with the new materials of the same size and specifications including necessary welding charges, cost of CSK bolts, cost of all materials, labour charges, diving charges, hire charge of scaffoldings etc. complete observing all safety precautions for men and materials without causing any damage to the Board's properties.

Cutting and removing the damaged portions of steel rails if any, and stacking the debris recovered at a suitable location, as per site condition and refitting with the new materials of the same size and specifications including necessary welding charges, cost of CSK bolts, cost of all materials, labour charges, hire charge of scaffoldings etc. complete observing all safety precautions for men and materials without causing any damage to the Board's properties - above Water.

Filling pit holes if any, in underwater condition, with welding materials of suitable grade and grinding to get a finished surface including cost of all materials, labour charges, diving charges, hire charge of scaffoldings etc. complete observing all safety precautions for men and materials without any damage to the Board's properties. Up to 10mm depth filling

Filling pit holes if any, in underwater condition, with welding materials of suitable grade and grinding to get a finished surface including cost of all materials, labour charges, diving charges, hire charge of scaffoldings etc. complete observing all safety precautions for men and materials without causing any damage to the Board's properties. 11mm to 20mm depth of filling

Filling pit holes if any, with welding materials of suitable grade and grinding to get a finished surface etc. including cost of all materials, labour charges, hire charge of scaffoldings etc. complete observing all safety precautions for men and materials without causing any damage to the Board's properties - above Water. Up to 10mm depth of filling

Filling pit holes if any, with welding materials of suitable grade and grinding to get a finished surface etc. including cost of all materials, labour charges, hire charge of scaffolding etc. complete observing all safety precautions for men and materials without causing any damage to the Board's properties - above Water. 11mm to 20mm depth of filling

Gas cutting and removing existing rubber seals of gates, supplying and fixing new seals of the same size and quality as per standard specifications using stainless steel bolts of suitable size and SS plates of same thickness and neatly jointing the bottom seal with the side seal including cost of all materials, labour charges, bolt hole drilling charges etc. to control the leakage within the permissible limit as per the direction of the departmental officers.

Supplying and fixing new mechanically spliced ungalvanised single steel wire rope of 22mm dia, 6 x 36 construction, FMC, 1770 N/mm2, type of core/lay direction - jute / RHOL, satisfying IS : 2266/2002 (same size and specification of the existing wire rope) after disconnecting and removing the existing wire rope from the gate and hoist, cleaning the rope drum and applying Cardium compound to new wire rope, removing and rolling the old rope and returning to the section store including the cost of wire rope, spares, sockets, cardium compound of approved quality and all other materials, fixing accessories, labor charges, transportation etc. complete as per the direction of departmental officers.

Painting gates and trash rack with Epoxy coaltar paint two or more coats over two coats of zinc rich primer after removing all corrosion, peeling, excessive thickness, brittleness, blistering, scaling or general disintegration by copper slag blasting and removing all scraped materials using compressed air including the cost of epoxy paint, primer, cleaning materials, scaffolding charges, hire and transportation chages, labour charges etc. complete as per IS 14177:1994 (R 2004) for gates and appurtenances as per the direction of the departmental officers

Overhauling of wheel assembly including charges for refitting, cost of materials etc. complete as per the direction of the departmental officers.

Repairing of the control panel assembly of the existing hoisting system including cost of materilas, labour charges etc. complete as per the direction of the departmental officers.

Design, fabrication, installation, and calibration of gate movement indicator, with stainless steel plate & needle including all necessary supporting accessories.

Commissioning of repaired gate, including trial lifting and lowering of gate, grinding the groove rails, wherever required etc., complete to control the leakage within the permissible limit as per the direction of the departmental officers.

ALCONS

Bidder Name

ALCONS

P.Damodaran, G.R.Industries