Council archive · source document
Sandpiper Appendices 010915 · 132007.1181.02
Attached to the e-mail 132007.1181.02 Change to existing approval.
- In appreciation of the above, the intent of the ground level survey was to
measure existing AHD levels for the purpose of building height comparison at
the pertinent point within the land parcel where proposed development is
being considered.
- Levels at the beach front alignment of the properties and the street alignment
of the properties were obtained, noting that surveying ground levels in the
mid-section of each lot would not yield relevant results due to development
of the built environment itself.
- As the proposed building alterations are located in the mid-section of the
properties (refer further below, we consider it to be professionally fair and
reasonable to mean the ground measurements for comparison against the
existing pertinent roof levels.
Why a contour survey is not required
- original historic contour rectification and interpolation is not possible
- a paucity of relevant ground measurements were available to be taken, thus
the visual creation of a contour plan is not required to provide mathematic
interpolation. A simple calculation suffices.
- The existing pertinent roof levels are centrally located, thus directly
comparable to the suitable interpolated, and in this case, mean ground level.
Licensed Surveyor Certification
- Please note that for many years now, the term Licensed Surveyor has been
superseded by the title “Cadastral Surveyor” or “Land Surveyor” for registered
surveyors who hold the cadastral endorsement for conducting cadastral
surveys.
- Further, Downes Group Pty Ltd is a registered “Consulting Surveyor”, being a
cadastral surveyor (land surveyor) with the necessary insurances. This report
serves to certify the previously supplied and below results, as a registered
Consulting Surveyor
Please find the below results from our AHD level survey of the above properties:
Sandcastles
- the beach front boundary alignment, the western side boundary and the Hastings
street alignment at ground level was surveyed.
- the Hastings street alignment is a fully built environment.
- the mean ground level from 6 surrounding levels is RL3.94m
- the roof apex along the western boundary was measured to be RL15.86m
- the roof apex was measured from a levelled survey station external to the site
- the Height of the roof at its measured apex to the mean ground level is 11.92m
- Survey Datum: Origin PM is PM162023 and is an AHD levelled mark with a height of
RL2.082m and was checked by PM152276 with a height of RL3.319m.
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