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					ANALYSIS OF A GASOLINE
  TANKER ROLL-OVER

THURSDAY-AUGUST 20,1998
     Alarm Time - 1358
   INCIDENT # 98232040
  2300 State Highway 360
         Exit Ramp
COMMAND SEQUENCE
   I/ C    Company Officer   FireFighter




STRATEGY          TACTICS                  TASKS
           RECEO VS
Rescue           Ventilation
Exposures         Salvage
Confinement
Extinguishment
Overhaul
          HAZMAT STRATEGIES
Goal # 1: Isolation
Goal # 2: Notification
Goal # 3: Identification
Goal # 4: Protection
Goal # 5: Decontamination
Goal # 6: Spill Control
Goal # 7: Leak Control
Goal # 8: Fire Control
Goal # 9: Recovery and Termination
               Incident Priorities

ICS                         HazMat
Life Safety              Life Safety

Incident Stabilization   Protection of Environment
                         and Infrastructure

Property Conservation Property Conservation
      MC-306/DOT-406
          DESCRIPTION
    Oval Cross Section indicates
     Non-pressurized Tank (Less
     than 3 PSI)
    Usually Single-Shell,
     Aluminum Construction.
     Older Steel Constructed tanks
     may be found.
    Generally 9,000 Gallons
     Maximum Capacity.
            CONTENTS
    Transport Petroleum
     Products
    (Gasoline, Fuel, Oil).
1996
NORTH AMERICAN
EMERGENCY RESPONSE
GUIDEBOOK
ID     Guide   Name of Material   ID     Guide   Name of Material
No.     No.                       No.     No.
                                  1203   128     Gasoline
                                  1203   128     Motor spirit
                                  1203   128     Petrol




1203   128     Gasohol
     Gasoline Tanker Roll-over

DOT Guide 128

•Isolate 80 to 160 feet in all
    directions
Evacuate 1,000 feet for a large spill
•
•Evacuate ½ mile for fire
                    Objectives
Rescue/EMS (Medic, E2)
•
Identify product (Dispatch, E2)
•
Isolate (E2, APD, T6)
•
Identify exposures (E2) and contain run-off (E6, Street
•
   & Highway Dept.)
Establish water (E5) & foam (E12, BT12) supply and
•
   provide protection lines & master stream capability
   (E5, E2)
Stabilized truck (Kelly-McKnight), stop leak (HM6)
•
Transfer product & clean-up (HM6, Eagle)
•
                     Negatives
1. Communications
   A. Crews put on lines for an operation that was
      then canceled - crews not told
   B. Changed game plan, but didn’t inform Rehab
   C. T6 didn’t understand what HazMat wanted to
      do
   D. T6 told dispatch to notify State- he wanted
      Highway Dept., got DPS. Be specific.
2. Contractors (and Chiefs) not in protective clothing
      in the Hot Zone
                   Negatives
3. Dome clamps didn’t work - they are applied to
   prevent the dome from failing as a standard
   precaution. They are not designed to stop leaks,
   but to reduce the severity. Only one dome was
   leaking at the beginning, all were at the end.
4. Foam nozzles not used - doubles the amount of
   foam needed, lack of air- entrainment and
   increased ¼ drain time.
                   Negatives
5. Class A foam is not AFFF!!!
6. Late getting clean-up contractor on-scene
   (Trucking Co. in denial)
7. Transfer of the incident to contractor - follow-up
   with the company (B-2)
                 Improvements

1. Communicate plan to all - stop operation and call
   a meeting if necessary.
2. Establish a formal ICS - most positions were
   assumed, not specifically delegated/appointed.
3. Understand the tactics, techniques and capabilities
   of the HazMat Team.
4. Communicate with the clean-up contractor early,
   and follow-up with them. Have HazMat relate
   special equipment needs to them.
                     Positives
1. Called for help early- TxDOT, TNRCC,
   Rothwell, Kelly-McKnight, Trucking Co., Pro-
   Tech, HazMat, APD, Pollution Control Officer
   from City of Grand Prairie.
2. No run-off to storm sewers, identified locations
   early, blocked for worst-case loss.
3. Water supply established (E-5), protection line in
   place for HM.
4. Driver self-extricated, and EMS on-scene quickly.
5. IC planned for worst-case scenario.
                     Positives
6. Foam available
7. Identified product, got shipping papers.
8. Rotated crews, set-up Rehab early, had lots of
   help.
9. PIO on-scene.
10. Met with all parties to establish plan prior to
   clean-up initiation (not response, clean-up)
11. PORTA-POTTIES!
         Why we didn’t Foam

1. Stability of the tanker, wash-out of
   the supports.
2. Ground absorbed all liquid, small
   surface area,  200 gallons.
3. Creates slipping hazard for members
   in the foamed area.
4. Waited for sand to contain run-off.

				
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