ShipFF Satterfield

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Published on November 7, 2007

Author: Gavril

Source: authorstream.com

Update on Shipboard Firefighting:  Update on Shipboard Firefighting Presented to the CNO DC/FF/CBR-D WORKING GROUP 14 NOVEMBER 2006 David B. Satterfield NAVSEA 05P4 Damage Control & Fire Protection Division AGENDA:  AGENDA Support New Ship Designs Fire Risk Studies Updated OP-4 Rev 8 – Ordnance Safety Afloat Prototype MOGAS Module for HSV-2 NSTM 555v1 Rev 12 NSTM 555v2 Rev 11 Material Fire Performance 1. Support New Ship Designs:  1. Support New Ship Designs Continued fire protection development for new ship designs: CVN 78 DDG 1000 (formerly DDX) LCS (Littoral Combat Ship); Lockheed Martin design and General Dynamics Design JHSV Joint High Speed Vessel MPF(F) LMSR SSGN 2. Fire Risk Studies:  2. Fire Risk Studies COMPLETED - LPD-17 MOGAS Bladder Storeroom and Transfer Room on 4th Dk & topside bulk stwg - replaces fixed MOGAS. IN-PROGRESS – Joint High Speed Vessel (JHSV) – Storage of Ordnance in Vehicles on Mission Deck. May result in Mission Deck Hi-expansion (Hi-X) foam system. Includes: Vapor Det, HFP Gas Ext Sys, AFFF Sprinklers, Smoke/ Fire Detectors, Explo Proof Electric, Ovrbd Vent. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 3. Updated OP-4 Rev 8 – Ordnance Safety Afloat:  3. Updated OP-4 Rev 8 – Ordnance Safety Afloat IMPROVEMENTS FOR FUTURE DESIGNS Smoke and fire detectors in future ship designs Below-Deck Ordnance Lockers will require sprinkling, except for low hazard ordnance (e.g., Small Arms). From ACN 2/8 to OP-4 issued Feb2005 - Requires AFFF sprinkling or equivalent for armed aircraft and Aviation Cert Bulletin changes in progress . 4. Prototype MOGAS Module for HSV-2:  4. Prototype MOGAS Module for HSV-2 Prototype COMPLETED by NAVSSES Fuels Division. Awaiting deployment on HSV-2 Swift. Purpose: Safely support MOtor GASoline (MOGAS) fueling of USMC boats via a removable module. 5. NSTM 555v1 Rev 12 :  5. NSTM 555v1 Rev 12 Rev 12 COMPLETED w/minor improvements. Added HERF - Haz Elec Mag Radiation to Fuel Added JP-10 Cruise Missile Fuel Update AFFF & HFP system descriptions, AFFF disposal, NFTI info, EEBD/SEED guidance, etc. Sprinkler sys as sacrificial fire boundary. LPD-18 - Activating WM from fire detectors. FUTURE TASK – Re-entry Ventilation for Halon-bad scenario. 6. NSTM 555v2 Rev 11 :  6. NSTM 555v2 Rev 11 Rev 11 – READY FOR ISSUE. New info on spontaneous heating and ignition of oil soaked lagging and firefighting response. Updated info on 1-3/4” hose, AFFF disposal, NFTI info, etc. New doctrine for securing of overhead sprinkler systems Expanded info on severity of a hydraulic system spray fire severity and manned response. 7. Material Fire Performance:  7. Material Fire Performance IN-PROGRESS – Create MIL-STD for Fire Resistance on Ships w/ N-Class and AN-Class divisions. COMPLETED and IN-PROGRESS – Approval of N-Class and AN-Class Fire Insulation Systems on steel and aluminum. COMPLETED – Developed Fire Test and qualified composite berthing system. COMPLETED – Updated MIL-STD-1623E - Fire Perf of Finish Mat’l & Furnishings IN-PROGRESS – Fire Perf for Adhesively Bonded Fasteners N-Class AN-Class POC: Dave Satterfield Fire Protection Engineer NAVSEA 05P4 Damage Control & Fire Protection Division Ph: (202) 781-3647 DSN: 326-3647 Email: David.Satterfield@NAVY.MIL:  POC: Dave Satterfield Fire Protection Engineer NAVSEA 05P4 Damage Control & Fire Protection Division Ph: (202) 781-3647 DSN: 326-3647 Email: David.Satterfield@NAVY.MIL Questions ? BACKUP SLIDES:  BACKUP SLIDES 10’x10’ Test Samples:  10’x10’ Test Samples N-30, steel w/fire insulation on back side, glowing red at end of test N-30, flaming vapor from composite surface through fire insulation seams, no fire penetration on back side DDS-078-1:  DDS-078-1 DDG 1000 has a deckhouse which will be constructed from fiber reinforced plastic (Composite) materials. Fire performance of composite materials is covered under DDS-078-1, “Composite materials, Surface ships, Topside structural and other topside applications – Fire performance requirements” Contains fire performance requirements for Structural composites such as flame spread, smoke generation, fire growth, fire resistance, and structural integrity. Contains fire performance requirements for non structural composite items such as weather deck gratings, louvers, ducting, valves, etc. Rev 1 is under review, and includes: GRP piping requirements Revision of structural integrity section for composite structures. Revision of smoke index and carbon monoxide limits. Addition of the Table which lists Navy approved Composite N-Class divisions. MIL-STD-X129:  MIL-STD-X129 Draft MIL-STD-X129, “Fire Resistance of U.S. Naval Ships” Draft MIL-STD-X129 provides the detailed test procedure and acceptance criteria for the fire resistance (i.e., prevention of fire spread through a boundary) for divisions (e.g., bulkheads and overheads/decks) and their penetrations on U.S. Navy ships. Institutes two Classes of Fire Resistant Divisions N-Class: N-Class Divisions are those divisions (bulkheads and decks) that are designed to protect against structural failure and prevent the passage of fire and smoke when exposed to a rapid rise hydrocarbon fire exposure (Class B). The minimum fire test duration is 30 minutes. In addition, N-Class divisions are designed to prevent excessive temperature rise for a designated test period such as 30 minutes (N-30). AN-Class: AN-Class Divisions are those divisions (bulkheads and decks) that are designed to protect against structural failure and prevent the passage of fire and smoke when exposed to an IMO A. 754(18) fire exposure (Class A). For all AN-Class divisions, including those with penetrations, the test duration is a minimum of 60 minutes. In addition, AN-Class divisions are designed to prevent excessive temperature rise for a designated test period such as 60 minutes (AN-60). MIL-STD-X129:  MIL-STD-X129 Fire Resistant Divisions: N-30 Unrestricted Application: means that insulation is installed either on both sides or on the non fire side to meet the requirements for temperature rise during the fire test. N-30 Restricted Application: means that insulation is installed on the side from where fire threat is anticipated. The division is classified as Fire Resistant only in one direction, from the fire side where the insulation is placed. N-0: Steel is inherently (without insulation) N-0 when used in thickness greater than 4.5 mm with suitable scantlings. N-0 means it prevents structural collapse and passage of flame and smoke. Aluminum melts when exposed to Class A or B fire, and hence requires insulation for any kind of fire resistance rating. MIL-STD-X129:  MIL-STD-X129 List of Approved Fire Resistant Divisions MIL-STD-1623E:  MIL-STD-1623E MIL-STD-1623 E, Fire Performance Requirements and Approved Specifications for Interior Finish Materials and Furnishings MIL-STD-1623E is a revision of MIL-STD-1623D and updates fire performance criteria for materials in: bulkhead sheathing; overhead sheathing; Furniture; draperies and curtains; deck coverings; Insulation; and bedding applications. Composite Berth Interim Fire Test Procedure:  Composite Berth Interim Fire Test Procedure INTERIM FULL SCALE FIRE TEST METHOD FOR COMPOSITE SHIPBOARD BUNKS Ser 05P4/110 October 2006 Fire Source: 50 kW for 5 minutes followed by 100 kW for 10 minutes Similar to NAVSEA 05Z6 PD 5-04A Bonded Fasteners:  Bonded Fasteners The U.S. Navy is considering attaching furniture items to studs that are adhesively bonded to the ship boundaries as an alternative to welded studs for installing specific USS WASP and LPD-19 berths and lockers. It is believed that this technology could provide significant cost/time savings benefits for ship overhauls and repairs. This technology could also provide deployed ships with the capability to perform repairs or installations that are currently difficult or impossible to perform with the current welded studs which require fire watch for hot works. Ser 05P4/xxx (Under review) provides the fire performance requirements of adhesively bonded studs used to mount furniture items to ship boundaries. Ship boundaries may consist of steel, aluminum, or composites. Adhesively bonded studs may be permitted in compartments outfitted with sprinklers. In addition, the boundary containing the bonded studs must have at least an N-30 fire resistance rating or the adjacent compartments must be outfitted with sprinklers. MOGAS Properties:  MOGAS Properties Evaporates readily at ambient temperatures Flash point below zero Vapors are ignitable in air at concentrations between 1.4% and 7.6% Ignition sources include, but are not limited to: Hot metal surfaces Cigarettes Electrostatic discharge Sparks from tools, electrical equipment and cutting/welding HERF

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