Referenced Document - MCU12/0216

Quarry Rehabilitation
Lake Macdonald Drive, Lake Macdonald

© 2012 - TTM Consulting (SC) Pty Ltd                                            Reference No: 12SCT0037



7.2        White Pit Quarry Access Review
The intersection layout is a typical priority 3-arm intersection as shown by Figure 7.2, and has
good inter-visibility in both the north and south directions, with the following traffic and
geometric attributes:
        A posted speed limit of 80km/hr; and
        Approximately 7 metre wide carriageways on all approaches.
Table 7.2 identifies the characteristics of the White Pit Quarry access with respect to the Council
requirements. The last column identifies the compliance/provision of each design aspect.

Table 7.2: White Pit Quarry Access Characteristics

        Design Aspect            Council Requirement    Existing Provision     Compliance/Provision
                                 (AS2890.1/AS2890.2)

 Crossover type/width for:
    Cars                        6 – 9m undivided      7.5m                  Provide 9m sealed cross-
                                                                             over
    Design service              20m divided           7.5m
     vehicle

 Minimum distance to
 adjacent feature:
    Minor intersection          6m                    200m+                 Council Compliant
    Major intersection          6m                    200m+
    Adjacent driveway           6m                    200m+

 Exit queue capacity             2 vehicles, 40m       50m                   Council Compliant



 Gradient of first 6m            1 in 20 (5%)          Less than 5%          Council Compliant




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