E-Tender for Dry-Dock repair of CSD Mahananda at Kolkata/Howrah (NW-1) for the year 2026-27

Beaching,blocking, unblocking including dock hire/moring( berthing) charges as required to be done for complete repair of vessel as required as per supervision/direction of IRS/IWT Surveyor and EIC.

Ultrasonic testing to be carried out of under water hull plate, deck plate and ship side plate, deck plate, fixed dredge pump discharge pipe etc. Measurement of deck and pipe for thickness as per under supervision of IRS/IWT Surveyor and as per direction of EIC.

Cropping & renewal of under water hull plates, deck plate,control room,bath room including all manhole cover packing with nuts, all air vents,sounding pipe and fitting of wire mesh/caps as per OEM, bollards, ship side plate & other fitments after Ultrasonic testing report of existing plate and as required as per under supervision of IRS/IWT Surveyor and as per direction of EIC.

Fairing & cropping dredge discharge pipe lines of MS pipe of 450 mm dia damaged, railing pipe (10 Mtrs) and stand(MS flat bar) to be straightened, welded, providing nut-bolts,leakage of sewage toilet dischsge pipe line repair required,welding of stbd side HSD tank leakage and fire line to be welded and railing to be cut in necessary manner as required under the supervision of IRS/IWT Surveyor and as per direction of EIC.

Labour charges

Cost of spares (on Actual + 10 % basis )

Cutter Ladder pulley 03 nos lowering & hosting abnormal noise found need to be serviced including port & stbd swing pulley 02 in nos. & ladder 'A' frame securing bush(02 in nos.) & its assoiciated greasing nipple broken have to be checked and replaced for free operation as required as per under supervision of IRS/IWT Surveyor and as per direction of EIC.

Labour charges

Cost of spares (on Actual + 10 % basis )

The entire ship from LWL to main deck,deck plate, superstructure, bathroom, anchor, anchor rake, engine room, store rooms, hydraulic cooling pump room, spud, spud bracket, carriage, vent, cutter ladder, bollard, deck crane, railing, jet nozzle, railing-chain and outside alongwith other fitment etc, are to be proper cleaned, scrapped, wire brushed, chipped and painted by 2 coats of existing colour marine paint. (1 coat zinc chromate primer, followed by two coat of existing colour of marine paints ). All pipe lines should be colored as per marine color code. After it name of vessel, deptt. and logo to be made by fluorescent sticker as required as required uner the supervision of IRS/IWT Surveyor and as per direction of EIC.