USCG Marine Safety Alert 05-12

Office of Commercial Vessel Compliance, Washington, DC
Monday, December 31, 2012

Pressure Switch Location for Fixed Fire Suppression Systems Where's yours located?

 

This safety alert addresses the location of fire suppression system pressure switches aboard vessels. These critical components sense the activation of the system and then electrically secures the ventilation systems operating in the protected space.  Securing the ventilation is essential in extinguishing a fire onboard a vessel. It assists in isolating the fire within the space, minimizes the introduction of additional oxygen to fuel the fire and prevents the loss of fire suppression agents from the space.

 

Recently, a vessel with an installed fixed CO2 fire suppression system, suffered extensive damage due to a fire that started in the engine room. During the firefighting efforts the crew reported that the engine room ventilation could not be secured.  A post casualty damage survey of the vessel revealed that the pressure switch used to secure the ventilation was located within the engine room. See the photograph of the damaged pressure switch at the right and new switch below.

 

Fixed CO2 systems on inspected/regulated vessels need to be type approved and installed in accordance with applicable regulations; 46 CFR 25.30-15, 46 CFR Subpart 76.15, 46 CFR Subpart 95.15, 46 CFR 118.410, etc.  These regulations require all controls and valves for the operation of the system to be outside the space protected, and notes they cannot be located in any space that might be cut off or made inaccessible in the event of fire in the protected spaces.  The Coast Guard considers pressure switches that are used in such systems a "control."

 

For Uninspected Towing Vessels, 46 CFR 25.30-15 (b) requires installation in accordance with 46 CFR Subpart 76.15 and reiterates the location requirements.

 

The Coast Guard strongly reminds Owners and Operators of vessels with installed fixed fire suppression systems to ensure that these switches are properly located aboard their vessels.  If the pressure switch or switches are located within the space being protected, they should be relocated by a properly trained fire suppression service technician.  Doing so will assist in ensuring system functionality and accessibility in the event of an emergency.  Failing to do so could have serious consequences to the vessel, its crew and the environment.


This safety alert is for informational purposes only and does not relieve any domestic or international safety, operational or material requirement. Developed by the Office of Commercial Vessel Compliance, Washington, DC.

Maritime Reporter January 2015 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Marine Equipment

SKF Expands Electric Motor Repair Network

Electric motors are among the highest in reliability incident reports, said SKF Canada, noting that for many companies, electric motor failures lead to a continual

GE Powers Diadema Cruise Ship

Fincantieri shipyard to equip in-board propulsion for Carnival and Costa vessels, GE’s Power Conversion business has helped the shipyard successfully deliver the

Coast Guard

Baby Medevaced from Cruiseship in Gulf of Mexico

A Coast Guard helicopter crew medevaced an 8-month-old baby girl from the cruise ship Carnival Triumph early Monday morning, 140 miles southeast of Galveston.

Training Coastguards is Key to Tackling Piracy

Training and mentoring of coastguards in Africa, Middle East and South East Asia is essential if coastal nations are to have effective control over their Territorial Waters and Economic Zones,

26-year Jail Term Sought for Concordia Master

An Italian prosecutor asked a court on Monday to sentence the captain of the Costa Concordia cruise liner to more than 26 years in jail for his role in the 2012 disaster that killed 32 people.

Maritime Safety

Northeast Winter Storm Disrupts Shipping

Winter Storm Juno, which has brought snow and gale force winds to the North East Coast of the United States, is causing severe disruption to shipping across the entire coastline.

Secure VGP Compliance with New Verification Service

Recent updates to the US Vessel General Permit (VGP) have brought new technical and reporting requirements for vessels operating in US waters, including the need

Oil Tankers are Front Line of Libya's Struggles

Crew members killed in tanker attack this month; West fears worsening violence could lead to civil war. Oil shippers face higher costs and the possible loss of insurance cover on Libyan voyages,

Government Update

Libya Returns Fuel Tanker to Rival Government

Libya's recognized government has released a tanker forced to dock at a port under its control after originally banning it from delivering fuel to its rival administration,

US Proposes Allowing Oil, Gas Drilling off Atlantic Coast

The Obama administration on Tuesday proposed allowing for the first time oil and gas exploration in a wide swath of U.S. waters off the Atlantic Coast.   The

NOIA: Draft Offshore Lease Program Both Hits and Misses

National Ocean Industries Association (NOIA) President Randall Luthi issued a statement on the 2017-2022 Draft Proposed OCS Oil and Gas Leasing Program, stating the U.

 
 
Maritime Careers / Shipboard Positions Maritime Contracts Maritime Security Maritime Standards Offshore Oil Pipelines Pod Propulsion Port Authority Salvage Ship Repair
rss | archive | history | articles | privacy | terms and conditions | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.1467 sec (7 req/sec)