RFI engineering - 20230504 RFI response

            a. provide Turning Path plans demonstrating that two B99 vehicles can simultaneously
            manoeuvre the internal driveway between Chainages 40 and 80 without colliding; and
            b. demonstrate if vehicles can complete the left-hand turns at Chainages 50 and 70 without
            crossing the centreline of the proposed internal driveway.
            c. if vehicles must cross the centreline of the proposed internal driveway during these left-
            hand turns and/or cannot simultaneously manoeuvre the internal driveway, provide
            comment on what driver has ‘right of way’ to avoid collisions and how this is indicated.

            Please refer to the Traffic Assessment report which addresses this matter. The assessment
            found two B99 vehicles were unable to simultaneously pass through the narrow section of
            the driveway, therefore give way line markings will be provided at both approaches as well
            as convex mirrors to provide visibility of vehicles already entering the section.

            Issue: Vehicle Swept Paths
            5. Provide additional detail and an amended Vehicle Swept Paths Plan that demonstrates
            how the proposed carparks are functional. The additional detail and amended plan must be
            endorsed by a suitably qualified person (RPEQ – Registered Professional Engineer of
            Queensland) and include, but not be limited to:
            a. realistic starting and finishing vehicle locations;
            b. assume all neighbouring carparks are occupied;
            c. provide comment demonstrating if the proposed ‘Visitor’ parking is limited to ‘rear-in’
            only and what systems are in place to indicate this to visitors;
            d. demonstrate how a B99 vehicle can enter and exit the ‘Existing Dwelling Parking’ without
            the overhang of vehicle leaving the internal driveway; and
            e. demonstrate how a B99 vehicle can enter and exit the southern-most carpark outside
            ‘Unit B’.

            The swept paths have been updated to address the requirements of the RFI. Please refer to
            the appendices within the traffic assessment which provide the swept paths requested.

            Issue: Stormwater Discharge
            6. Provide an amended Stormwater Management Plan that demonstrates how stormwater
            collected on-site will be controlled, collected, and released without causing scour damage
            to neighbouring properties or creating trip hazards for pedestrians. The additional detail
            must be prepared by a suitably qualified person (RPEQ – Registered Professional Engineer
            of Queensland) and include, but not be limited to:
            a. provide comment on the water quality of the stormwater collected in proposed
            stormwater line ‘D’ that bypasses the bioretention swale;

            The drainage within this small area has been redesigned to fall to the bioretention area as
            overland surface flow ensuring this portion of the site no longer bypasses the treatment
            swale.




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