These NZ Transport Agency standard drawings have been developed in response to particular site constraints to assist designers in achieving safe road safety barrier designs. Most relate to information found in an associated technical memorandum or specification.
Buried-in-backslope terminal (RSB-1) February 2012
This standard drawing shows details of the accepted buried-in-backslope end terminal treatment as described in technical memorandum TM2004 .
Curved guardrail installations (RSB-2 and RSB-2A) October 2013
These standard drawings show details of the accepted curved rail terminal and curved guardrail treatments for radii ≤25m, as described in technical memorandum TM2008 .
M23 terminal grading plan (RSB-3) February 2012
This standard drawing shows details of the accepted grading profile for guardrail terminals accepted in NZ Transport Agency Specification M23 .
Nested guardrail detail (RSB-4) February 2012
This standard drawing shows details of the accepted nested guardrail configurations for semi-rigid guardrail as described in Technical memorandum TM2003 .
TL-4 transition detail (RSB-5) November 2014
This standard drawing shows details of the accepted W-Beam to rigid barrier transition for use on state highways.
W-Beam assembly and fixing details (B1, no top rail) April 2012
This standard drawing (B1) shows details of the accepted TL-3 W-Beam bridge barrier system (without a top rail) for use on local road and low volume state highway structures.
W-Beam assembly and fixing details (B2, With top rail) April 2012
This standard drawing (B2)standard drawing (B2) shows details of the accepted TL-3 W-Beam bridge barrier system (with a top rail) for use on local road and low volume state highway structures.
Thrie-Beam assembly and fixing details (B3, no top rail) April 2012
This standard drawing (B3) shows details of the accepted TL-4 Thrie-Beam bridge barrier system (without a top rail) for use on state highway structures.
Thrie-Beam assembly and fixing details (B4, With top rail) April 2012
This standard drawing (B4) shows details of the accepted TL-4 Thrie-Beam bridge barrier system (with a top rail) for use on state highway structures.
Guardrail holding down details (B5) April 2012
This standard drawing (B5) shows details of the accepted holding down hardware for the W-Beam and Thrie-Beam bridge barrier systems detailed in drawings B1 thru 4, B6 and B7 for use on local road and state highway structures.
W-Beam intermediate anchor details (B6) April 2012
This standard drawing (B6) shows details of the accepted intermediate anchor system for use with the TL-3 W-Beam bridge barrier system (refer drawings B1 and B2) for use on state highway structures.
Thrie-Beam intermediate anchor details (B7) April 2012
This standard drawing (B7) shows details of the accepted intermediate anchor system for use with the TL-4 Thrie-Beam bridge barrier system (refer drawings B3 and B4) for use on state highway structures.
Temporary Concrete Barrier Public Domain Pin and Loop System (TCB-1) September 2015
This standard drawing (TCB-1) is a metricated variant of the Oregon State Department of Transport (ORDoT) F-shape “Precast Concrete Barrier Pin and Loop Assembly” (RD500).