DARNIA

Controlled tank venting system shall consist of a primary and secondary means to prevent over-pressure and under-pressure conditions in a tank. PSCO found the pressure sensor monitoring system is malfunctioning on cargo tank 5S. IBC Code Ch. 8.3.3 17ac

The tank overfill alarm required by paragraph (a) of this section must activate a visible and audible alarm so that it can be seen and heard on the vessel where cargo transfer is controlled and in cargo deck area. PSCO observed that the 1P tank overfill alarm was not operational. Rectify prior to loading cargo tank 1P. 46CFR39.2007(d)(3) 34ac

Each vessel vapor connection flange face must have a permanent stud projecting outward that has a 12.7 millimeter (0.5 inch) diameter and is at least 25.4 millimeters (1 inch) long. It must be located at the top of the flange face, midway between boltholes, and in line with the bolthole pattern. PSCO observed no permanent stud located on any of the vapor connection flange faces at port and starboard manifolds of vessel. 46CFR39.2001(j) 40c

"A" class bulkheads shall be capable of preventing the passage of smoke and flame to the end of the one hour standard fire test. PSCO found a 2 inch diameter hole in the "A" class bulkhead bewteen the main machinery space and steering gear space and another 2 inch diameter hole in the "A" class bulkhead between deck foam room and a storage space. 74 SOLAS (2004 cons.) II-2/3.2.4 50ac

15106 - SHIPBOARD OPERATIONS - THE COMPANY SHOULD ESTABLISH AND MAINTAIN PROCEDURES FOR IDENTIFYING ANY TRAINING WHICH MAY BE REQUIRED IN SUPPORT OF THE SAFETY MANAGEMENT SYSTEM AND ENSURE THAT SUCH TRAINING IS PROVIDED FOR ALL PERSONNEL CONCERNED (6.5). THE COMPANY SHOULD ESTABLISH PROCEDURES, PLANS AND INSTRUCTIONS, INCLUDING CHECKLISTS AS APPROPRIATE, FOR KEY SHIPBOARD OPERATIONS CONCERNING THE SAFETY OF THE PERSONNEL, SHIP AND PROTECTION OF THE ENVIRONMENT. THE VARIOUS TAKS SHOULD BE DEFINED AND ASSIGNED TO QUALIFIED PERSONNEL (7). MASTERS AND [name withheld] THAT ALL OOW’S AND ENGINE ROOM STAFF RESPECTIVELY ARE THOROUGHLY FAMILIAR WITH THE OPERATION OF MAIN PROPULSION MACHINERY CONTROL SYSTEMS; INSTRUCTIONS FOR THE OPERATION OF THE MAIN PROPULSION MACHINERY ARE POSTED ON THE BRIDGE AND ENGINE CONTROL ROOM AS STATED IN BRIDGE PROCEDURE MANUAL REV. NO-2 DATED 10-08-2018 PAGE 26 OF 27. FAMILIARIZATION WITH BRIDGE EQUIPMENT CHECKLIST TO INCLUDE ENGINE AND THRUSTER CONTROLS SIGNED BY MASTER, DATED 27-12-2018 AND BY [name withheld], DATED 10-01-2019. THE VESSEL EXPERIENCED LOSS OF PROPULSION WHILE TRANSITING THE NAVIGABLE WATERS OF THE UNITED STATES DUE TO SHIP BEING OPERATED IN COMBINATOR MODE WHILE RECEIVING MULTIPLE COMMANDS CAUSING ENGINE RPMS TO ENTER CRITICAL RPM RANGE RESULTING IN ENGINE SHUTTING DOWN TO PROTECT ENGINE FROM CRITICAL SPEED. CHIEF ENGINEER STATED THAT HE RECEIVED ALARMS INDICATING ENGINE IN CRITICAL RPM RANGE IN ECR PRIOR TO ENGINE SHUTTING DOWN. FOLLOWING ALARMS AND ENGINE SHUTTING DOWN, OPERATING MODE “SEPARATE” WAS SELECTED AND VESSEL WAS PILOTED BACK TO BERTH. ENGINEERING DEPARTMENT STATED “SEPARATE” MODE IS THE APPROPRIATE MODE TO USE DURING MANEUVERING IN RESTRICED WATERS; CAPTAIN STATED HE WAS UNAWARE THERE WERE MULTIPLE CONTROL MODES AS WAS EVIDENCED BY VESSEL LOSING PROPULSION AND PILOT ENDING VOYAGE. ADDITIONALY NO INSTRUCTIONS FOR THE OPERATION OF PROPULSION MACHINERY WERE FOUND POSTED ON BRIDGE ADDRESSING CONTROL MODES. SUBMIT EVIDENCE TO [email withheld] DETAILING HOW APPROPRIATE TRAINING WILL BE CONDUCTED IN ADDITION TO PROVIDING INSTRUCTIONS FOR PROPULSION CONTROL MODES ON NAVIGATION BRIDGE. RECOMMEND INTERNAL SAFETY AUDIT. 74 SOLAS (14) IX/13.1; REF ISM CODE 6.5 AND 7

0800-Accident Prevention-Each cargo tank of a tankship must be equipped with intrinsically safe high level alarm and a tank overfill alarm. The tank overfill alarm must be independent of the cargo gauging system. Both high level alarm and overfill alarms are inoperable on cargo tanks; 2 port and starboard, and 8 port and starboard. Vessel not permitted to load in the tanks listed above until repaired or replaced. 46 CFR 39.2007 - 50 c.