MT TAMARAW

WI-900 DRYDOCKING AND UNDOCKING

Laydays 28 days
Keel and Side Blocks 17 pcs
7.3 Provide adequate lighting during dry-dock to facilitate all inspections, repairs and coating of the hull.
7.4 The echo, depth, and speed log transducers shall be protected from blasting, paint overspray, and physical contact by repair equipment at all
times, until the un-docking day as per WI 912.
901 DRYDOCKING 7.5 All running of hoses, ballasting, de-ballasting, disposal and/or any other addition/removal of weight to support docking and undocking shall be
to Contractor’s account.

7.1 Clean propeller using high pressure water (3000 psi minimum) to remove any mud, slime and accumulated growth. Hand scrape and wire brush
propeller to remove any barnacles and hard growth.
7.2 Provide a detailed condition report of findings to the CMC Port Engineer.
PROPELLER CLEANING AND 7.3 Abrasive clean the propeller hub and blade roots using caution to minimize thickness loss.
903 7.4 Upon completion of propeller polishing, protect the propeller from solvents, paint and mechanical damage.
INSPECTION 7.5 Manufacturer’s Representative: None additional.

7.1 Remove the shaft guard for access to the bearing and shaft.
7.2 Take clearance measurements with feeler gauge between the shaft and bearing.
7.3 Record measured values from the four places, and provide a condition report of findings to the Port Engineer.
904 TAILSHAFT BEARING CLEARANCES 7.4 Reinstall the shaft guard upon completion of all work.
7.5 Recoat the shaft guard during the painting of the underwater hull in WI #912.

3.1 The vessel is equipped with one, four blade MNB Bronze low Nickle propeller. The propellers have a diameter of ????mm and weighs ??? Kg.
7.1 Remove the propeller nut.
7.2 Rig propeller for lifting from existing padeyes. Prior to rigging, Contractor shall inspect and test all padeyes for any defects and provide a
condition report of findings to the CMC Port Engineer.
7.3 Remove the propeller from the shaft and rig propeller clear.
7.4 Thoroughly clean the propeller shaft threads to remove all grease and foreign materials. Conduct MT NDT testing of the shaft taper, in the
presence of the ABS Surveyor and CMC Port Engineer. This test shall be fully documented in a Condition Report to obtain ABS Class Modified Shaft
PROPELLER Survey Credit.
905 7.5 Upon completion of the seal renewal and non-destructive testing of the shaft taper, as noted in Work Item 906, reinstall the propeller and nut.
REMOVAL/REINSTALLATION Installation of the propeller will be accomplished in the presence of the attending ABS Surveyor and CMC Port Engineer.
Blue Fitting of Propeller
Mechanical Blue

7.1 Disassemble the shaft coupling located just before the stern tube seal.
7.2 Withdraw the tailshaft far enough to remove the coupling half of the tailshaft.
7.3 Disassemble the forward inboard seal assembly and renew the Contractor furnished inflatable seal and the seal ring.
7.3.1 Remove the two spare seal rings from the shaft and save for reinstallation.
7.3.2 Disassemble the forward seal assembly and thoroughly clean to remove oil, dirt and debris.
7.3.3 Inspect the seal assembly and provide a condition report of findings to the CMC Port Engineer.
7.3.4 Reassemble and reinstall the forward inboard seal using new Contractor furnished seals and parts.
7.3.5 Clean and inspect the shaft earthing assembly and provide a condition report to the CMC Port Engineer.
7.3.6 Reinstall the two spare seal rings on the shaft and preserve them in like condition prior to disassembly.
906 TAILSHAFT SEAL RENEWAL 7.4 Reinstall the coupling half in the same position as before removal.
7.5 Pull tailshaft back in and reassemble the coupling half using proper torque value for the bolts.
7.6 Check the face to face and runout readings prior to bolting the coupling together.
Kemel Seal Technical Representative should be arrange by Owner
 7.1.3 All chains, shackles, swivels, pins and anchors are to be gauged in accordance with ABS rules. Provide a condition report of wear or gauge
readings to the CMC Port Engineer and attending ABS Surveyor. Readings are to be tabulated in the format acceptable to the ABS Surveyor and ABS
Rules.
7.1.4 Crown shackles are to be thoroughly inspected for wear and deformation. Provide a condition report of all findings.
7.2.2.1 Additionally, each set of components shall be coated as follows:
7.2.2.1.1 Paint each detachable link red.
7.2.2.1.2 One (1) link on each side of the detachable link at fifteen (15) fathoms shall be painted white.
7.2.2.1.3 Two (2) links on each side of the detachable link at thirty (30) fathoms shall be painted white.
7.2.2.1.4 Three (3) links on each side of the detachable link at forty-five (45) fathoms shall be painted white.
7.2.2.2 Paint all links in the next to the last shot of chain Yellow.
7.2.2.3 Paint all links in the last shot of chain Red.
7.2.3 Identify each shot by attaching turns of 1/8 inch bare stainless steel stranded wire rope around the stud link on each side of the detachable
links as follows:
7.2.3.3 Wrap three (3) turns of wire on the third stud link from the detachable link at 45-fathoms.
7.2.3.4 Continue progressively increasing the number of turns of wire and the number of links from the detachable link.
7.3 Remove manhole covers to gain access to the chain lockers and chain locker sumps, see Paragraph 7.1.1. Provide chain lockers and sumps for
inspection by the attending ABS Surveyor and CMC Port Engineer. The Forward Chain Locker Sump coatings shall be inspected and a Condition
ANCHORS, CHAINS, SWIVELS, AND Report shall be issued to the CMC Port Engineer. See Paragraph 7.3.3. Upon completion of inspection and any work within the chain lockers close
907 up manhole covers in good order using new Contractor furnished gaskets and rope grommets.
CHAIN LOCKER 7.3.1 Pressure wash (3,000 PSI minimum) the forward chain lockers and sumps. Remove and dispose of all, marine growth, mud, dirt and debris.
For bidding purposes, assume 5 cubic-feet of mud, dirt and debris per locker.
7.3.2 Power tool clean the forward chain lockers and coat with two (2) coats of
Amershield 240 at 5-6 mils each coat.
7.4 Prior to re-stowing of the anchor chains in the chain lockers, inspect pump out arrangement and prove operational by conducting a successful
Chain Locker Pump Out Test to the satisfaction of the attending ABS Surveyor and Port Engineer.
7.5.1 Chain shall be installed in proper position to allow the riding pawl to seat in the chain when anchor is home.

7.1 Contractor shall provide and renew zinc anodes.

assume 6 pcs of B-9 zinc anodes. 300 x 150 x 25 with 160mm bolt
Masking of anodes
"Special Zinc Anode, Type SP1305Z, Bolted 300 x 150 x 30 PCD 160mm, with Rubber Backing
Alternative offer to: B-9 ZINC ANODES"
7.1.1 Upon direction of the CMC Port Engineer remove existing anodes from the sea chest prior to preparation and coating of the sea chest.
909 SEA CHEST ANODES 7.1.2 Fair all flame cut edges smooth by grinding.
7.1.3 Upon completion of coating install new Contractor furnished anodes attached to the sea chest by welding or bolting.
7.1.4 Prepare and coat all damaged coating in accordance with underwater hull coating Specification Work Item.

7.1 Contractor shall provide and renew aluminum anodes.

assume Estimate 36 pcs of B-12 zinc anodes, 300 x 200 x 40 with 160mm bolt on centers
910 HULL ANODE REPLACEMENT Masking of anodes
"Special Zinc Anode, Type SP1309Z, Bolted 300 x 200 x 40 PCD 160mm, with Rubber Backing
Alternative offer to: B-12 ZINC ANODES"
7.1.1 Upon direction of the CMC Port Engineer remove existing anodes from the hull and kort nozzles prior to preparation and coating of the
underwater hull.
7.1.2 Fair all flame cut edges smooth by grinding.
7.1.3 Upon completion of coating install new Contractor furnished anodes attached to the hull and kort nozzle by welding or bolting.
7.1.4 Prepare and coat all damaged coating in accordance with underwater hull coating Specification Work Item.
 Gate Valve 4" 2 ea
Angle Globe 2" 1 ea
Gate Valve 1-1/2" 2 ea
Globe Valve 4" 2 ea
Swing Check Valve 4" 1 ea
Storm Valve 2-1/2" 1 ea
Globe Valve 3" 1 ea
Swing Check Valve 3" 3 ea
Gate Valve 1" 1 ea
Swing Check Valve 1" 1 ea
Ball Valve 1" 1 ea
Storm valve 2" 1 ea
Gate Valve 3" 1 ea
Storm Valve 4" 1 ea
7.3 Open all valves, clean and provide for inspection.
7.3.1 Contractor shall provide for inspection by attending ABS Surveyor and CMC Port Engineer or his designated representative and provide a
SEA VALVES INSPECTION AND Condition Report.
914 7.3.2 Reassemble valve using new Contractor furnished SS 316 fasteners, gaskets and packing. Verify Valve stem trueness and dress valve stem
RENEWAL with fine emory cloth and lubricate with salt waterproof anti-seize compound.
7.3.4 Conduct a hydro test to 75psi in the presence of attending ABS Surveyor and CMC Port Engineer or his designated representative.
7.3.5 Reinstall valve using new Contractor furnished gaskets and SS 316 fasteners.
7.4 Upon re-floating the vessel inspect all valves to verify integrity of installation Repair any leaks.
7.5 All new and disturbed surfaces shall be recoated with one coat of Contractor supplied primer and one coat of shipyard supplied paint to match
existing color of each area.

7.1 Prior to docking, the Contractor shall conduct an inspection and operational check of the Steering Unit with the presence of Chief Engineer and
CMC Representative.
7.2 Provide a Condition Found Report of any discrepancies noted.
7.3 Disassemble the Steering rum shaft to inspect the condition of shaft seal ring.
7.3.1 Inspect the seal ring assembly and provide a condition report of findings to the CMC Port Engineer.
STEERING RUM SHAFT SEAL 7.3.2 Refer to actual seal ring assembly for procurement of new seal ring
916 7.3.3 Reassemble and reinstall the seal ring using new Contractor furnished seals and parts.
RENEWAL