Dry-Dock Repair of Floating Jetty Brahmaputra-X in Kolkata/ Howrah for the year 2024-25

Amount

Pontoon shifting with assistance of pilot along with mooring and unmooring as required. Beaching, blocking at adequate height as per docking plan and unblocking in suitable site for underwater inspection, cleaning, scrapping, wire brussing, chipping, repairing as required and painting as per direction of EIC. Fire precautions arrangements and gas free/ hot work certificates required for work to be carried inside tanks.

Visual inspection and ultrasonic thickness gauging to be carried out for thickness determination to the bottom shell ,side shell and main deck .UTG to be carried out and test report to be submitted as required as per direction of EIC/Surveyor .

Renewal of bottom damaged /wasted MS plate, brackets , angles,stiffeners and inside tanks platings with same material quality to be undertaken as per UTG and EIC/IWT Surveyor and visual inspection report.Report of same material plating used for repair/renewal to be given .

For surface preparation and painting of the underwater deck,above water hull plate and side plate to be undertaken as per following standards : (i) Surface preparation :By water jet cleaning (ii)Surface painting :-Marine quality painting to be done in dust free environment using airless spray machine as following -(a) 1st coat -100 micron primer (b) 2nd coat -70 micron tiecoat (c) 3rd coat -125 micron anti follic paint (d) 4th coat -125 micron anti follic glossy paint .All pipe lines should be colored as per marine color code.

Renewal of damaged steel nut & bolts (M16x40 L) and washers of all manholes nut-bolt fittings along with tank manhole cover rubber gasket and other rubber packing to renew with required spare as required as per direction of EIC/Surveyor.

Cropping & renewal of damaged deck plate (10 * 5 ft) & side plate ,anchor structure ,inside manhole tanks , 4 nos air vent pipe, cabin along with other fitment to be done with existing thickness of the plate as required as per direction EIC.

Chipping, wire brushing and cleaning of the main deck, shipside (P&S) & fore & aft side,winch structure, vent pipes ,inside all tanks ,bulk head plates, inside cabin etc.for painting of all ship side area above water level & main deck alongwith all accessories including chains, deck fittings, cabin etc. to be done with one coat of zinc chromate yellow primer followed by two coats of existing colour anti crossive marine standard paints of 100 micron each with one PU coat paint with authorized paint manufacturer as required as per direction of EIC.

Crew cabin bunk board to be repair /renewal.

Labour charges

Cost of spares (actual + 10%)

Making of required 8 nos hook support to tie up tyre fender on both side of deck and supply and fitting of 12 nos tyre fender along with bull dog clamp and supply and fitment of 2 nos tailpost with proper corrosion resistant paint as per direction of EIC.

Servicing of both side anchor wiches forward and aft and hand operated davit, PB Bush for smooth movement of gear as required, checking/ repair of driving gear unit as required for proper operation. All tanks inspection for leakage and damage as per direction of EIC .

Installation and fitment of 1.5 kW solar panel system arrangement for night lighting along with supply and fitment of 150AH standard battery in wooden box with 5 nos CFL fitting and wiring .

Fitment of doubler plate in the centre of pontoon deck of dimension (3*5 ) m for resting gangway along with fitting of supporting angles ,brackets and supporting of MS plate as required as per direction of EIC.

Labour charges

Cost of spares (actual + 10%)

Pontoon cabin four wall fiber acoustic false ceiling renewal with standard quality as required as per direction of EIC.

Window fitting have water leakage. SS plate or sheet arrangement to make to stop the leakage and repair of pontoon cabin room wooden frames as per direction of EIC.

Labour charges

Cost of spares (actual + 10%)

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