10/0342 - Op Works, Prescribed Tidal Works - Jetty [As Published] · 142010.342

Our Ref 87900-05-008 (061)
Contact Paul Calver

25 February 2010

The Manager

The Jetty Specialist Pty Ltd
2 Industrial Ave
CALOUNDRA QLD 4551

Dear Sir,

Structural Design Advice
Pontoon, Piles & Catwalk

Project:
Owner:
Address:

Jilrift Pty Ltd

Lot 257 (52) Noosa Parade, Noosa Heads

We, Cardno (Qid) Pty Ltd, advise that the proposal to construct the works
described above has been checked by us. When the works are constructed in
accordance with the approved drawings and in the location shown, the proposed
works are structurally adequate for the anticipated usage in this location and
should comply with the design and safety provisions of the Prescribed Tidal Work
Code (Schedule 4A of the Coastal Protection and Management Regulation 2003),
based on the design criteria, and assumptions listed below.

Basis of Design Advice

e The works do not impose loads that would significantly affect existing

structures.

e The works do not adversely affect the stability of the bed and banks in
the near vicinity of the structure
¢ Structural design criteria:

Maximum Wave Height

Wind Classification
Max. Current
Scour

Debris Load

Impact Loads
Max-Vessel Size berthed
Relevant Codes

400mm wind wave

300mm boat wake

N3

1.4 m/s parallel to face of pontoon

Reasonable scour effects from flood flows and
tidal flows have been considered

To AS 3962

Minor loads without some damage to structure

7.0 metres length (wet) & 3.0 m beam (wet)
AS1170, AS 3962 and AS 3600, except where
varied by the Prescribed Tidal Work Code

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(Ab7800-05\sub008\06 1-jilrift pty Itciwordidesign adviceS.doc

Cardno
Uliman& Nolan

Shaping the Future

Cardno (Qld) Pty Ltd

Trading as Cardno Ullman & Nolan
ABN 57 051 074 982

Level 11

515 St Paul's Terrace
Fortitude Valley OLD 4006
Australia

Locked Bag 4006
Fortitude Valley QLD 4006
Australia

Phone: 617 3100 2199
Fax: 617 33699722

www.cardno.com.au