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The information displayed below is for informational purposes only; they are not all-inclusive of all federal, state,
and local requirements and are presented as a guide for quick reference only.
As a Propane Cage protection-DOT 20 lb. containers: TAC, Title 16, Part 1, chapter 9, Subchapter B, Rule 9.140
(h)
(h) Storage racks used to store nominal 20-pound DOT portable or any size forklift containers shall be
protected against vehicular damage by:
(1) Meeting the guardrail requirements of subsection (d) of this section; or
(2) Installing guard posts, provided:
(A) Effective February 1, 2008, for new installations, the guard posts shall be installed a minimum of 18
inches from each storage rack and consist of at least three-inch schedule 40 steel pipe, capped on top or
otherwise protected to prevent the entrance of water or debris into the guard post, no more than four feet
apart, and anchored in concrete at least 30 inches below ground and rising at least 30 inches above the
ground; or
(B) Effective February 1, 2008, for new installations, the guard posts shall be installed a minimum of 18
inches from each storage rack and are constructed of at least four-inch schedule 40 steel pipe capped on
top or otherwise protected to prevent the entrance of water or debris into the guard post, and attached by
welding to a minimum 8-inch by an 8-inch steel plate at least 1/2 inch thick. The guard posts and steel
plate shall be permanently installed and securely anchored to a concrete driveway or concrete parking
area.
(3) Guardrail or guard posts are not required to be installed if:
(A) The cylinder storage rack is located a minimum of 48 inches behind a concrete curb or concrete
wheel stop that is a minimum of five inches in height above the grade of the driveway or parking area;
(B) If the requirements of subparagraph (A) cannot be met, the cylinder storage rack must be installed a
minimum of 48 inches behind a concrete curb or concrete wheel stop that is a minimum of four inches in
height above the grade of the driveway or parking area, and a concrete wheel stop at least four inches in
height must be installed at least 12 inches from the curb or first wheel stop;
(4) All parking wheel stops and cylinder storage racks in paragraph (3) of this subsection must be secured against
displacement.
(i.) Self-service dispensers shall be protected against vehicular damage by:
(1) Guardrails that comply with subsection (d) (2) - (6) of this section; or
(2) Guard posts that comply with subsection (d) (2) of this section; or
(3) Where routine traffic patterns expose only the approach end of the dispenser to vehicular damage,
support columns, concrete barriers, bollards, inverted U-shaped guard posts anchored in concrete, or
other protection acceptable to the
Safety Division, provided:
(A) Such protection extends beyond the framework of the dispenser; and
(B) At least 24 inches of clearance is maintained between the approach end of the dispenser and the
protective barrier.
(4) Self-service dispensers utilizing protection specified in paragraphs (2)-(3) of this subsection shall be
connected to supply piping by a device designed to prevent the loss of LP-gas in the event the dispenser is
displaced. The device must retain liquid on both sides of the breakaway point and be installed in a manner to
protect the supply piping against damage.
