For Lettings After June 2004 Description File Name Format Thrie beam rail for new structures - slab depth 8.5" and over thb1a_system1_new PDF DGN Thrie beam rail for new structures - slab depth 8.5" and over - Details thb1b_system1_details PDF DGN Thrie beam rail for new dbl tee structures - slab depth 8.5" and over thb1c_system1_dblt PDF DGN Thrie beam rail for rehab structures - slab depth 22" and over thb2a_system2_rehab PDF DGN Thrie beam rail for rehab structures - slab depth 22" and over - Details thb2b_system2_details PDF DGN Thrie beam rail for rehab or widening - slab depth between 8.5" and 19" thb3a_system3_rehab PDF DGN Thrie beam rail for rehab or widening - slab depth between 8.5" and 19" - Details thb3b_system3_details PDF DGN Thrie beam rail for rehab box girder or deck girder thb4a_system4_rehab PDF DGN Thrie beam rail for rehab box girder - Details thb4b_system4_details PDF DGN Thrie beam rail for rehab box girder using Latex, Low Slump or Silica Fume overlay thb4c_system4_latex PDF DGN Thrie beam rail for rehab box girder with Large Cantilever thb4d_system4_optional PDF DGN

Thrie Beam Off-System Projects Only - For Lettings After June 2004 Description File Name Format Rehab - thrie beam thbos1.dgn PDF DGN New bridge thrie beam thbos2.dgn PDF DGN New bridge thrie beam double tee thbos3.dgn PDF DGN Rehab - thrie beam thbos4.dgn PDF DGN The documents are provided in Acrobat Reader format. Free Acrobat Reader download