Dry Dock Survey and repair of department boat PERIYAR in Thekkady Range during 2026-27

Hauling up of the Vessel GRT up to 30 ton at thekkady reservoir at a place as directed by the department officers. Keeping the vessel at a height of 75 CM above the ground level for inspection and launching the same after under water repairs, as directed by Department Officers. (The Rate includes all hire charges, mobilisation charges, transportation charges of winch, wooden blocks and all other equipments and manpower required for the work).

Pressure washing by using fresh water and cleaning the entire hull outer surface area with high-pressure water jet and hand scraping, degreasing for inspection as directed by the engineer/officer in charge of the work.

Chipping, scraping and thoroughly cleaning the complete accessible surfaces of the vessel, including hull, superstructure, machinery, pipelines, fittings, supports and other associated accessories, by removing loose, damaged and deteriorated paint, rust, scale, dirt, grease, marine growth and other foreign matter, using suitable hand tools, mechanical tools and cleaning methods as required, to obtain a sound, clean and properly prepared surface suitable for subsequent painting protective coating, including all necessary labour, tools, consumables and incidental expenses, complete in all respects to the satisfaction and direction of the Departmental Officer or Engineer-in-Charge of the work.

Cutting and removing damaged or deteriorated mild steel (MS) structures, including plates, angles, flats, frames, and girders of any thickness from the vessel, followed by the complete supply, fabrication, and renewal of marine-quality IS:2062 mild steel structures to original profiles. The work includes marking cutting lines without disturbing stable structures, disposing of removed scrap to designated yard zones, mechanical edge preparation (V-cutting beveling), lifting, aligning, and executing full-penetration multi-layer welding (minimum 3 layers). The comprehensive rate is fully inclusive of raw marine-quality steel procurement, industrial gases, welding electrodes, plant and machinery hire energy charges, temporary scaffolding, staging, labor, etc, complete the work as per the direction and satisfaction of the departmental officers, engineer in charge of the work.

Gauging the thickness of the plates, beam, frame, etc., at different portions of the vessel using an ultrasonic thickness gauge after chipping, scraping, and filing the surface to about 50 mm dia and pasting grease oil over it as per the direction of the engineer or the officer in charge of the work and steel replacement markings shall be submitted along with the gauging report.

Supplying and applying two coat of approved best-quality marine-grade alkyd primer of reputed make such as International, Hempel, Jotun or equivalent, over the already cleaned and prepared surfaces of the vessel, including hull, superstructure, machinery, pipelines, fittings and other associated accessories, by suitable application methods to ensure uniform and complete coverage, including all necessary primer, labour, tools, application equipment and incidental expenses. The entire quantity of primer supplied shall be produced for inspection and obtained approval from the Engineer or Department official in Charge of the work before commencement and continuation of the painting work, complete in all respects as direction and satisfaction of Engineer or Department official in Charge of the work.

Supplying and applying approved best-quality marine-grade tie-coat paint over the properly cured and prepared primer-coated surfaces of the vessel hull using suitable application methods to ensure uniform and complete coverage, including all necessary paint, labour, tools, application equipment and incidental expenses. The entire quantity of tie-coat paint supplied shall be produced for inspection and obtained approval from the Engineer or department officer in Charge of the work before commencement and continuation of the painting work, complete in all respects as per the direction and satisfaction of the Engineer or department officer in Charge of the work.

Supplying and applying two coats of approved best-quality marine-grade antifouling paint of reputed make over the properly cured and prepared existing paint/tie-coat surface of the underwater portion of the vessel, including application by suitable methods to achieve uniform and complete coverage and the required dry film thickness, including all necessary antifouling paint, labour, tools, application equipment and incidental expenses. The entire quantity of antifouling paint supplied shall be produced for inspection and obtained approval from the Engineer or department officer in Charge of the work before commencement and continuation of the painting work, complete in all respects as per the direction and satisfaction of the Engineer or department officer in Charge of the work.

Supplying and applying two coats of approved best-quality marine-grade alkyd finish paint of reputed make such as International, Hempel, Jotun or equivalent, in white or other approved colours, over the properly cured primer-coated surfaces of the vessel body, machinery, pipelines, fittings and other associated accessories, including application in accordance with the approved colour code and to achieve uniform, smooth and complete coverage, including all necessary paint, labour, tools, application equipment and incidental expenses. The entire quantity of marine alkyd paint supplied shall be produced for inspection and obtained approval from the Engineer or department officer in Charge of the work before commencement and continuation of the painting work, complete in all respects as per the direction and satisfaction of the Engineer or department officer in Charge of the work.

Comprehensively checking, testing, and troubleshooting the entire onboard electrical installation network, including power distribution cabling, central control switchboards, LED lighting fixtures, horn assembly, navigating and search light units, circuit breakers, switches, and distribution boxes. The scope covers evaluating insulation integrity, performing continuity testing across all wiring circuits, identifying compromised segments, and executing necessary repairs or complete renewals. It includes dismantling and overhauling localized component blocks, rectifying loose terminations, rewiring sub-circuits, and replacing damaged or unserviceable electrical installations, assemblies, and peripheral spares with new components of identical specifications, dimensions, and capacities. The contractor should procure the defected items from the authorized dealer and submit the original dealer bill along with the contractor bill for its reimbursement. 15% of the cost of spares will be paid to the contractor as overhead charges for arranging these items. These procured as well as the replaced items should get inspected by the Engineer who is the in-charge of the work and the un-serviceable / old items should be returned to department for realization of payment. All completed works, system configurations, and replacements must be tested, commissioned, and verified to ensure optimum operational efficiency, executed complete as per the direction and entire satisfaction of the departmental officers.