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wastewater disposal and water supply preliminary report woodlane

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The key information deficiencies identified were:<br />

Actual layouts <strong>and</strong> as-constructed configurations of the sewer <strong>and</strong><br />

<strong>water</strong> <strong>supply</strong> system.<br />

Capacities of the <strong>waste<strong>water</strong></strong> <strong>and</strong> <strong>water</strong> <strong>supply</strong> system.<br />

Relationship between the Woodlane reserve toilet block <strong>and</strong> the<br />

<strong>waste<strong>water</strong></strong> <strong>and</strong> <strong>water</strong> <strong>supply</strong> system.<br />

Process flow, performance <strong>and</strong> maintenance of the <strong>waste<strong>water</strong></strong> <strong>and</strong><br />

<strong>water</strong> treatment plants.<br />

Approval status from the Department of Health (DH) <strong>and</strong> Environment<br />

Protection Authority (EPA).<br />

A summary of the documents provided by Council is presented below:<br />

1. Secon Consulting Engineers Submitted Report 3: Woodlane <strong>and</strong><br />

Mypolonga Shacks, Document No, 91632 REP Rev 2, 29 July 1997<br />

It is not clear who this <strong>report</strong> was originally addressed to as details of the<br />

recipient were not found anywhere in the <strong>report</strong>. However, judging from its<br />

contents it is apparent that it was compiled to be submitted to the thendeveloper<br />

Des Murray <strong>and</strong> Pat Wynne, with all the proposed design <strong>and</strong><br />

statutory application details attached.<br />

A diagrammatic map (91632SK9) showing the entire <strong>water</strong> <strong>supply</strong> <strong>and</strong><br />

<strong>waste<strong>water</strong></strong> system for the sub-division <strong>and</strong> shacks was attached to the <strong>report</strong>.<br />

This drawing was a concept <strong>and</strong> does not reflect the as-constructed scheme.<br />

In contrast the other diagrammatic key plan (Item 1 in Appendix A) without any<br />

plot date appears to be a reasonable representation of the system as it is<br />

consistent with other information obtained.<br />

Drawing Plan 91632/ST1 (Sewer Treatment Plant Enclosure) does not show<br />

the as-built scenario of the <strong>waste<strong>water</strong></strong> treatment plant.<br />

Section 2 of the <strong>report</strong> states that there is to be only one 22kL <strong>water</strong> storage<br />

tank at the <strong>water</strong> treatment plant, but there are two of them on site. Section 7<br />

describes three Grundfos CR4-60 vertical multistage <strong>water</strong> pumps in the <strong>water</strong><br />

treatment plant, but there are only two.<br />

Woodlane Waste<strong>water</strong> Disposal <strong>and</strong> Water Supply Preliminary Report<br />

Wallbridge & Gilbert/070250rp002RevB/January 2008 Page 6

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