The Truck Trailer Manufacturers Association (TTMA) Engineering Committee has released these publications:
Revised Recommended Practices:
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RP 6-07 — Trailer Hitches and Connections for Interchange Service
Newly Issued Recommended Practices:
- RP 100-07 — Determination of Trailer Length and Width
- RP 103-07 — Trailer Tracking Installation
Reissued Recommended Practices:
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RP 1-07 — Permissible Load Concentration for Straight Floor Van Trailers
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RP 37-07 — Rating of Van Trailer and Container Floors for Lift Truck Loading
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RP 38-07 — Method of Testing and Rating Heat Transmission of Controlled Temperature Vehicle/Domestic Containers
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RP 41-07 — Splash Guard Attachments Where Mounting Holes are Required
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RP 55-07 — Trailer Entry Securement
Revised Technical Bulletins:
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TB #77 — Cracked or Broken Main Beams on a Platform Trailer
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TB #78 — Upper Coupler Attachment Fasteners for Van Type Trailers
Newly Issued Technical Bulletin:
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TB #124 — Pressure Washing Precautions
The TTMA Tank Conference Engineering Committee announces the release of these publications:
Revised Recommended Practices:
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RP 45-07 — Vapor Collection for MC 306 and DOT 406 Cargo Tanks
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RP 94-07 — Pressure Test Qualification of the Structural Integrity of DOT 406 and Low Pressure DOT 412 Cargo Tanks
Reissued Recommended Practices:
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RP 81-07 — Performance of Spring Loaded Pressure Relief Valves on MC 306, MC 307, MC 312, DOT 407, and DOT 412 Tanks
Revised Technical Bulletins:
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TB #96 — Identification of Openings in Voids and Vapor Returns Systems Prior to Cleaning and Repairing MC 306, DOT 406, MC 307, DOT 407, and Insulated Tank Vehicles
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TB #102 — Operation and Maintenance of MC 306 and DOT 406 Cargo Tank Bottom Loading Systems
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TB #110 — Upper Coupler Attachments Bolts for Trailers with Repositionable Upper Couplers
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TB #113 — Thickness Testing of Unlined Cargo Tanks in DOT Service
Reissued Technical Bulletins:
- TB #101 — Corrosion in General Purpose Stainless Steel Tanks
Newly Issued Technical Bulletin:
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TB #123 — Vapor Recovery Retrofit of MC 307 and MC312 Cargo Tanks
For more information, visit www.ttmanet.org.