Oct 1, 2007 12:00 PM

The Truck Trailer Manufacturers Association (TTMA) Engineering Committee has released these publications:

Revised Recommended Practices:

• 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:

• RP 1-07 — Permissible Load Concentration for Straight Floor Van Trailers

• RP 37-07 — Rating of Van Trailer and Container Floors for Lift Truck Loading

• RP 38-07 — Method of Testing and Rating Heat Transmission of Controlled Temperature Vehicle/Domestic Containers

• RP 41-07 — Splash Guard Attachments Where Mounting Holes are Required

• RP 55-07 — Trailer Entry Securement

Revised Technical Bulletins:

• TB #77 — Cracked or Broken Main Beams on a Platform Trailer

• TB #78 — Upper Coupler Attachment Fasteners for Van Type Trailers

Newly Issued Technical Bulletin:

• TB #124 — Pressure Washing Precautions

The TTMA Tank Conference Engineering Committee announces the release of these publications:

Revised Recommended Practices:

• RP 45-07 — Vapor Collection for MC 306 and DOT 406 Cargo Tanks

• RP 94-07 — Pressure Test Qualification of the Structural Integrity of DOT 406 and Low Pressure DOT 412 Cargo Tanks

Reissued Recommended Practices:

• 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:

• 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

• TB #102 — Operation and Maintenance of MC 306 and DOT 406 Cargo Tank Bottom Loading Systems

• TB #110 — Upper Coupler Attachments Bolts for Trailers with Repositionable Upper Couplers

• 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:

• TB #123 — Vapor Recovery Retrofit of MC 307 and MC312 Cargo Tanks

For more information, visit www.ttmanet.org.

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