SUPERSEDED - Compiled Reference Document - RAL25 0011 (As Published)

LINDSAY CONSULTING PTY LTD                                                -


STRUCTURAL AND CIVIL ENGINEERS
ACN 079 744 808 ABN 61 478 386 385 GST REGISTERED
AS TRUSTEE FOR THE LINDSAY FAMILY TRUST



6. SUMMARY AND CONCLUSIONS

Lindsay Consulting Pty Ltd concludes there is a low risk of site instability with the
existing site or with the proposed new allotment as detailed in this proposal. The low
risk of instability as defined in the guidelines in the attached appendix does not exclude
slope stability problems, only that in Lindsay Consulting Pty Ltd’s opinion that the risk
is low and may be management through good hillside practises.

In our professional opinion, the present and long term conditions over the site do not
pose a slope stability issue with the site including associated existing buildings and
infrastructure and that the stability of the site will be maintained during both the
construction and operational life of the development. As such the works proposed, when
carried out in a capable manner will not lead to a slope stability problem.

Lindsay Consulting Pty Ltd also recommends that any earthworks to the site be minimal
and in accordance with the good hillside practises guidelines as detailed in appendix D.

Lindsay Consulting Pty Ltd confirms that there is no history of landslip over the site.

Lindsay Consulting Pty Ltd confirms that the proposed development will not alter the
present stability of the subject land.

Lindsay Consulting Pty Ltd confirms that no portion of the subject land is required to
be excluded from the development.

Lindsay Consulting Pty Ltd also confirms that the development will not adversely affect
the current state of the stability of the adjoining land.

Lindsay Consulting Pty Ltd confirms that the proposed development may moderate
cutting or filling to the site in accordance with the engineering drawings.

Lindsay Consulting Pty Ltd confirms that retaining structures may be required and that
typical soil parameters are as follows:-

      •      Bearing Capacity à                     100 kPa
      •      Soil Cohesion à                        10 kPa
      •      Internal friction angle à              15 degrees

Lindsay Consulting Pty Ltd confirms as per the above table all foundations shall be
founded into controlled fill material or into competent natural soil

Lindsay Consulting Pty Ltd confirms that provided all the stormwater and roofwater is
diverted into the proposed stormwater system that no additional drainage features are
required.

The Site is sewered and as such no on-site disposal of liquids is allowed.

Lindsay Consulting Pty Ltd confirms that they have been engaged to carry out the design
of the proposed residence foundations and as such will carry out inspections during

Off. 2C/82 Parker St, Maroochydore 4558
OFFICE: (07) 54 792 118 MOBILE: 0412 313 645 FAX: (07) 54 510 118
E-MAIL: [email protected]