07/0604 - Response to Information Request [As Published] · 142007.604

Calty Constructions - . _ 13 April 2007
-2- 077682001-1010{AA)

 

Table 1 — Stability Risk Levels

Extensive detailed investigation and research, planning and

implementation of treatment options essential to reduce to acceptable
be too and not

Detailed investigation, planning and implementation of treatment

to reduce risk to levels.
Tolerable provided treatment plan is implemented to maintain or
reduce risks. May be accepted. May require investigation and
of treatment opti

Usually accepted. Treatment requirements and responsibility to be
defined to maintain or reduce risk.

: normal maintenance

Note: (1) The implications for a particular situation are to be determined by all parties to the risk
assessment; these are only given as a general guide.

   

Construction of the poo! must not affect the integrity of the existing retaining wall. Excavation will likely
require the use of expansive grouts or low impact explosives.

Some “General Guidelines for Hillside Construction” are attached together with “Important Information
About Your Geotechnical Report”. We trast that this is to your satisfaction, however should you require
anything further please do not hesitate to contact our Maroochydore office.

Yours faithfully
GOLDER ASSOCIATES PTY LTD

f- Geoff Hurley MSc DIC C.Geol RPEQ
Associate — Office Manager

Attachments: Some General Guidelines for Hillside Construction
Important Information about your Geotechnical Report

ANMONGEOTECHNICAL(077582001\1010\AA077682001-10101_DOC
GAH/ACD/gah

Golder Associates