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NTTC 2010 TTMA Tank Conference Engineering Committee Update Peter Weis, PE – Chief Engineer, Polar Tank Trailer, LLC

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NTTC 2010

TTMA Tank Conference Engineering Committee Update

Peter Weis, PE – Chief Engineer, Polar Tank Trailer, LLC

  • Truck Trailer Manufacturers Association is an international trade association representing truck trailer, cargo container, cargo tanks for trucks and container chassis manufacturers. TTMA’s Associate Members are suppliers of components, materials and services to our industry.


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TOPICS:

  • ASME SECTION XII

  • FRP SPECIAL PERMITS

  • UPDATE OF 3-A TANKER REGULATIONS

  • 97,000 # WEIGHT INCREASE PROPOSALS

  • WETLINES

  • FDA FOOD REGS – NTTC May 11 discussion

  • SMARTWAY


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ASME SECTION XII

  • SECTION XII – NEW CONSTRUCTION TANKS - ANPRM POSSIBLE THIS YEAR

  • NBIC – COVERS SECTION XII CONTINUED QUALIFICATION & MAINTENANCE

  • A TRANSPARENT RESTRUCTURING OF CURRENT REGULATIONS (?)

    • WRITTEN BY CODE CONSENSUS COMMITTEE

    • MORE USER FRIENDLY – EASIER TO FOLLOW

  • CURRENT COMPRESSIVE BUCKLING EQUATIONS MAY CHANGE

  • “U” STAMP AND “R” STAMP – WILL BE “T” STAMP AND ?

  • COPYWRITED TEXT

  • RULEMAKING PROCESS

    • ANPRM (OPTIONAL)

    • NPRM (NORMALLY HAS COMMENT PERIOD)

    • FINAL RULE (INCLUDES EFFECTIVE DATES)


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FRP SPECIAL PERMITS

  • RECENT TANK FAILURE – 12/30/10

  • FAILURE RELATED TO REACTION OF PRODUCT WITH CORROSION BARRIER

  • PHMSA SAFETY ADVISORY NOTICE PUBLISHED 3/3/10

  • “PHMSA IS CONCERNED THAT OWNERS AND MANFACTURERS OF COMPOSITE CARGO TANKS ARE NOT PERFORMING THE REQUIRED COMPATIBILITY TEST OR MAINTAINING TEST REPORTS.”


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UPDATE OF 3-A STANDARD 05-15

  • UPDATE/MODERNIZE OF TEXT TO MEET CURRENT 3-A FORMAT

  • ELIMINATE UNCLEAR INTENT

  • ADD CIP SYSTEM DIAGRAMS

  • INTER-TANK PLUMBING STANDARDS FOR DOUBLES


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97,000# Weight Limit

  • CURRENT ACTIVE PROPOSALS TO CHANGE EXISTING LIMITS ARE ADVOCATING WEIGHT LIMIT INCREASES ONLY.

    • Length increases, long combination vehicles, etc. are not being requested

  • THE PROPOSED “SAFE AND EFFICIENT TRANSPORTATION ACT” (H.R. 1799) WOULD RAISE THE WEIGHT LIMIT TO 97,000 lb.

    • But only if equipped with an additional axle

    • Proposals based on efficiency gains, reduced congestion, etc.


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97,000# Weight Limit

THE SAFE AND EFFICIENT TRANSPORTATION ACT (H.R. 1799)

  • INTRODUCED BY U.S. REPRESENTATIVES MIKE MICHAUD (D-MAINE) AND JEAN SCHMIDT (R-OHIO)

  • Sen. Lattenburg D,NJ, the Chairman is OPPOSED

  • COULD BECOME INCORPORATED INTO THE PENDING HIGHWAY REAUTHORIZATION LEGISLATION

  • WOULD ALLOW EACH STATE TO RAISE INDIVIDUAL INTERSTATE WEIGHT LIMITS (TO 97,000 lb. MAX).

  • WOULD NOT BE A NATIONAL WEIGHT INCREASE MANDATE


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97,000# Weight Limit

THE SAFE AND EFFICIENT TRANSPORTATION ACT (H.R. 1799)

  • THE VEHICLE IS EQUIPPED WITH AT LEAST SIX AXLES

  • THE WEIGHT OF ANY SINGLE AXLE ON A VEHICLE DOES NOT EXCEED 20,000 lb.

  • THE WEIGHT OF ANY TANDEM AXLE ON A VEHICLE DOES NOT EXCEED 34,000 lb.

  • THE WEIGHT OF ANY GROUP OF THREE OR MORE AXLES ON A VEHICLE DOES NOT EXCEED 51,000 lb.

  • THE GROSS WEIGHT OF THE VEHICLE DOES NOT EXCEED 97,000 lb.

  • VEHICLE SIZE (LENGTH) NOT CHANGED

  • PROPOSAL DOES NOT FOLLOW CURRENT BRIDGE FORMULA REGULATIONS


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Weight Limits – Single Trailer

CURRENT WT. LAW:

80,000 lb.

34,000 lb. 34,000 lb. 12,000 lb.

(17,000 lb. PER AXLE)

H.R. 1799 PROPOSAL:

97,000 lb.

51,000 lb. 34,000 lb. 12,000 lb.

(17,000 lb. PER AXLE)

53 ft.


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THE END

  • QUESTIONS?

  • Peter Weis, PE

  • Chief Engineer

  • Polar Tank Trailer, LLC