Attachment 9 - Traffic Engineering Report

Overall, TTM considers the proposed parking provision to be suitable to cater for the requirements of the
development.

4.2 Car Park Layout
Table 4.2 identifies the characteristics of the proposed parking area with respect to the Council
requirements. The last column identifies the compliance of each design aspect. Where compliance with
Council is not achieved, further information is provided below

Table 4.2: Parking Design Requirements
 Design Aspect                         AS2890.1:2004 Requirements             Proposed Provision         Compliance
 Parking space length:
      − Standard bay                   5.4m                                   5.4m                       Compliant
 Parking space width:
      − Residential                    2.4m                                   2.6m                       Compliant
      − Visitor                        2.6m                                   2.6m                       Compliant
 Aisle Width:
      − Parking aisle                  5.8m                                   6.0m                       Compliant
      − Circulation aisle              5.8m                                   6.0m
 Parking envelope clearance -          0.25m into bay within 0.3m & 0.2m      None                       Compliant
 Column intrusion                      into bay within 1.2m of front of bay
 Parking envelope clearance –          Space 0.3m clear of wall               Space 0.3m clear of wall   Compliant
 space adjacent to wall
 Maximum Gradient:
     − PWD parking                     1:40 (2.5%)                            Generally Flat             Compliant
      − Parking bay                    1:20 (5.0%)                            Generally Flat             Compliant
      − Parking aisle                  1:16 (6.25%)                           Generally Flat             Compliant
      − Ramp                           1:5 (20%)                              Generally Flat             Compliant
 Maximum Change in Grade               1:8 (12.5%) summit                     Generally Flat             Compliant
                                       1:6.67 (15.0%) sag
 Parking Aisle Extension               1m beyond last bay                     2m beyond last bay         Compliant


The proposed carpark layout complies with all AS2890.1 requirements and is therefore considered suitable.




Site: Lot 2 & 3 Myall Street, Cooroy                                                                                  14
Reference: 19BRT0357