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Safety Recommendation Details

Safety Recommendation M-90-096
Details
Synopsis: ON JUNE 29, 1989, THE U.S. SELF-ELEVATING UNINSPECTED LIFT BOAT M/V TITAN FINISHED ITS WORK AT CORPUS CHRISITI OIL AND GAS BLOCK 427 WHERE IT HAD BEEN ELEVATED IN ABOUT 95 FEET OF WATER. THE TITAN HAD A CREW OF FOUR, PLUS FIVE LAREDO CONSTRUCTION, INC., EMPLOYEES ABOARD. ABOUT 1330 THE MASTER LOWERED THE LIFTBOAT AND HEADED IT TOWARD FREPORT, TEXAS. WHILE THE 160-FOOT LEGS WERE BEING RAISED, THE TITAN BEGAN LISTING TO STARBOARD. THE MASTER BELIEVED THE LIST WAS CAUSED BY MUD ON THE STARBOARD LEG PAD. HOWEVER, THE MASTER FOUND ON INSPECTION THAT THE STARBOARD LEG WAS FLOODED AND GUSHING WATER ON DECK THROUGH A FRACTURE OR FRACTURES IN THE LEG. THE MASTER DIRECTED THE LEGS TO BE LOWERED TO IMPROVE THE STABILITY OF THE VESSEL. WHILE THE LEGS WERE BEING LOWERED THE TITAN CAPSIZED ABOUT 1345.
Recommendation: THE NTBS RECOMMENDS THAT THE U.S. COAST GUARD: SPECIFY STANDARDS FOR PROCEDURES AND WORKMANSHIP FOR WELD AND STRUCTURAL REPAIRS OF LIFTBOAT LEGS THAT CONFORM TO INDUSTRY STANDARDS SUCH AS THE AMERICAN WELDING SOCIETY "STRUCTURAL WELDING CODE - STEEL."
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Marine
Location: Gulf of Mexico, GM, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA89MM052
Accident Reports:
Capsizing and Sinking of the U.S. Self-Elevating Liftboat M/V Titan
Report #: MAR-90-07
Accident Date: 6/29/1989
Issue Date: 1/14/1991
Date Closed: 11/6/1996
Addressee(s) and Addressee Status: USCG (Closed - Acceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: USCG
Date: 11/6/1996
Response: M-90-96 ASKED THAT THE USCG SPECIFY STANDARDS FOR PROCEDURES & WORKMANSHIP FOR WELD & STRUCTURAL REPAIRS ON LIFTBOAT LEGS THAT CONFORM TO INDUSTRY STANDARDS SUCH AS THE AMERICAN WELDING SOCIETY "STRUCTURAL WELDING CODE-STEEL." THE NEW REGULATIONSS AT 46 CFR 126.150 & 46 CFR 127.210 INCORPORATE BY REFERENCE THE AMERICAN BUREAU OF SHIPPING (ABS) CONTRUCTION & STRUCTURAL RULES WHICH INCLUDE RECOGNIZED WELD STANDARDS. BECAUSE THESE STANDARDS SATISFY THE INTENT OF M-90-96, IT HAS BEEN CLASSIFIED "CLOSED--ACCEPTABLE ACTION."

From: USCG
To: NTSB
Date: 3/15/1996
Response: THE USCG'S INTERIM FINAL RULES FOR OFFSHORE SUPPLY VESSELS/LIFTBOATS (46 CFR 90, ET AL.) (CGD82-004 & CGD86-074 PUBLISHED IN FR THURSDAY 11/16/95) BECAME EFFECTIVE THIS DATE.

From: NTSB
To: USCG
Date: 11/28/1994
Response: BECAUSE THE USCG INTENDS TO INCLUDE THIS RECOMMENDATION IN THE PENDING 46 CFR SUBCHAPTER L & REVISED NVIC 8-81, M-90-96 HAS BEEN CLASSIFIED "OPEN--ACCEPTABLE RESPONSE," PENDING PUBLICATION OF THE FINAL RULES.

From: USCG
To: NTSB
Date: 3/23/1994
Response: THE USCG ANTICIPATES THE RELEASE OF A REVISION TO NAVIGATION & VESSEL INSPECTION CIRCULAR 8-91 IN EARLY 1994, WHICH PERTAINS TO THE ISSUES RAISED IN THESE RECOMMENDATIONS. IN ADDITION, THE FINAL RULE OR SUBCHAPTER L, [CGD 82-004 & CGD 86-074] WHICH WILL ALSO ADDRESS THESE ISSUES, IS ANTICIPATED TO BE PUBLISHED BY MID 1994.

From: NTSB
To: USCG
Date: 5/18/1992
Response: Safety Recommendation M-90-96 urged the Coast Guard to specify standards for procedures and workmanship for weld and structural repairs on liftboat legs that conform to industry standards such as the American Welding Society "Structural Welding Code - Steel." The Safety Board is pleased that Subchapter L will include requirements for the construction and repair of liftboat legs similar to those proposed in Subparts 126.160, 126.170, and 127.210. We understand that repairs to existing liftboats now subject to inspection must be accomplished using guidance such as the American Bureau of Shipping rules and NVIC 7-68. Therefore, this safety recommendation has been classified as "Open--Acceptable Response" pending publication of the final rule.

From: USCG
To: NTSB
Date: 7/8/1991
Response: I CONCUR WITH THIS RECOMMENDATION. REQUIREMENTS FOR CONSTRUCTION AND REPAIR OF LIFTBOAT LEGS WILL BE INCLUDED IN THE FINAL RULE FOR 46 CFR SUBCHAPTER L. THESE REQUIREMENTS WILL BE SIMILAR TO THOSE PROPOSED IN SUBPARTS 126.160, 126.170 AND 127.210. REPAIRS TO INSPECTED VESSELS (INCLUDING EXISTING VESSELS NOW UNDER INSPECTION) MUST BE ACCOMPLISHED UNDER THE COGNIZANCE OF THE OCMI USING GUIDANCE SUCH AS THE ABS RULES AND NVIC 7-68, "NOTES ON INSPECTION AND REPAIR OF STEEL HULLS," WHICH INCLUDES GENERAL INFORMATION RELATING TO GOOD MARINE PRACTICE WHEN CONDUCTING WELDING REPAIRS.