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Murray - Structural Design Advice · OPW18/0056
Attached to the e-mail Operational Works Appliction – Prescribed Tidal Works - 17 Wesley Ct Noosa Heads.
SUNSHINE COAST OFFICE Level 4, 45 Brisbane Road Mooloolaba Qld — PO Box 102 Mooloolaba Qld 4557 T: 07 5477 6437 F: 07 5444 4216 E: [email protected] EMP ENGINEERING CORAL COAST OFFICE 9 Princess Street Bundaberg Qld PO Box 2052 Bundaberg Qld 4670 T: 07 4154 4894 F: 07 4154 4274 E: [email protected] ACN: 112 761510 ABN: 21112761510 In reply please refer to: Our: Troy Paulsen At: Sunshine Coast Our Ref: SC-7000-117 1% February 2018 The Manager The Jetty Specialists Pty Ltd 2 Industrial Avenue Caloundra QLD 4551 Dear Sir, Structural Design Advice Project: Proposed Pontoon, Piles and Catwalk Client: NT & DE Murray Address: Lot 40 (17) Wesley Court Noosa Heads We, Empire Engineering 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 Works Code (Schedule 3 of the Coastal Protection and Management Regulation 2017), 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. e Pontoon identification to comply with Schedule 3 of the Coastal Protection and Management Regulation 2017 e Structural design criteria: Maximum Wave Height 400mm wind wave 300mm boat wake Wind Classification N3 Maximum Current 1.5 m/s parallel to face of pontoon Scour Reasonable scour effects from flood flows and tidal flows have been considered Debris Load To AS3962 Impact Load Minor loads without some damage to the structure Max Vessel Size Berthed 16.6m length, 4.5m beam
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Relevant Codes AS1170, AS3962 and AS3600, except where varied by the Prescribed Tidal Work Code Tethering System To be provided, where a tidal water level change resulting from a 1% probability flood event results in pontoon detaching from piles. The design advice does not cover the construction or installation of the works on site. The builder shall confirm the adequacy of the site conditions during installation and shall advise the Engineer if variation from details shown on the drawings occur. No detailed site investigation or studies have been carried out by us or provided to us. The design review has been carried out on the basis of limited enquiry only. Pile depths shown are applicable if founding in stiff clay or dense sand. There is some additional risk of failure should the above design criteria be exceeded, or actual site conditions be inferior to those assumed. If ground conditions other than those described above are encountered during construction or seabed levels encountered are deeper than those shown on the drawings, further advice should be sought. This design advice relies on designs prepared by other consultants, but does not warrant them. The structure is to be built in accordance with the following referenced documentation, using good building practice. Referenced Documentation e Drawing No. JSP-SJ-29030 Issue B e Drawing No. JSP-SJ-29031 Issue A Competent Person Details Name: Troy Paulsen REPQ: 6990 Name of firm for and on behalf person is signing: Empire Engineering Level 4/ 45 Brisbane Road (PO Box 201) Mooloolaba Qld 4557 a Troy Paulsen For and on behalf of EMPIRE ENGINEERING Pty Ltd
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