15SCT0024Tlett150709

4. Access Design

The amended application provides an access with a minimum width of 8m which is separated from
adjacent accesses by a minimum of 20m. A plan of the proposed access location and driveway from Lake
Macdonald Road to the subject site is attached to this letter (15SCT0024-01 Revision C). The proposed
access width design is sufficient for an HRV to access the site with an SRV waiting to exit. This is considered
reasonable due to the very low movements along the access.
The access design is consistent with a Type B2 driveway crossover as noted in IPWEAQ Drawing RS-051.
Given the low vehicle volumes and very low potential for conflict, the B2 driveway designation is
considered suitable and a divided driveway is not warranted. Provision of a divided driveway is also
inconsistent with other driveways to 271 Lake Macdonald Drive. The access driveway is also generally
consistent with AS2890.2 as it caters for the turn paths of the largest design vehicles expected to use the
driveway at any given time as shown in the attached access plan.
The driveway is designed to accommodate a minimum 4m width or wider where required by the swept
path of an HRV. Passing bays for smaller vehicles are provided every 100m from the access into the subject
site.
Lake McDonald Drive at the proposed site access has a posted speed limit of 80kph. In the absence of
vehicle speed data, a design speed of 90kph (10kph higher than the posted speed limit) is required for sight
distance considerations. The driveway sight distances at the proposed location are greater than 270m and
exceed AS2890 and Austroads standards for this design speed (200m and 226m respectively).
5. Summary

The proposed access is considered to be generally in accordance with AS2890 series, Austroads standards
and Overall Outcome 14.4.2b)ii of Council's Agricultural Uses Code.
Should you have any queries in relation to this assessment, call Gary Harris on (07) 5479 2455.



Yours faithfully,                                Reviewed By:




Gary Harris                                      Richard Jones
Project Consultant                               Senior Associate Director
TTM Consulting Pty Ltd                           RPEQ: 8943

Att:    Access Plan (15SCT0024-01 Revision C)




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