Appendix 5: Summary of information on costs from Kaipara District Council records
Inquiry into the Mangawhai community wastewater scheme.
| Date | Document | Capital cost ($million) | Operating cost per year ($) | Other costs | Comment |
|---|---|---|---|---|---|
| May 1999 | Preferred Options report | 10.84 | 62,000 | Capital cost also stated as being $7.7 million | |
| March 2002 | Wastewater benchmark design, Beca | 18.0 | 290,000 in 2002 375,000 in 2027 |
Includes $2.5 million contingency and $1.3 million for additional reticulation in 2015 | |
| August 2002 | Paper to the Council recommending preferred proponent | 23.5 (net present value) 13.5 (guaranteed maximum price) |
570,000 to 980,000 | ||
| May 2003 | Paper to the Council from Chief Executive | 15.0 | 500,300 in year 1 1,115,800 in year 25 |
Financing rate 7.62% (5 year interest only loan) | Based on population of 1350 rising to 2800 Capital cost includes most expensive disposal option |
| November 2003 | Stage 2 SWSS application and additional information provided | 16.0 + 2.5 house connection costs 16.8 interim guaranteed maximum price |
Initially 600,000 excluding inflation | System design based on an expected capacity of 7500 equivalent population | |
| February 2004 | Paper to the Council from Chief Executive | 17.5 21.7 (net present value) |
Capital cost includes:
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| June 2004 | Long-Term Council Community Plan | 17.5 | 1,712,000 in year 1 (includes depreciation) | ||
| August 2004 | Paper to the Council from Chief Executive | 19.0 | 560,000 in year 1 | 5 year fixed interest loan |
Capital cost includes:
|
| August 2005 | Council minutes recording information provided by Chief Executive | 26.264 | 711,050 in year 1 | Caters for up to 1970 sections | |
| October 2005 | Project Deed | 26.264923 (guaranteed maximum price) | 711,050 plus power costs (and 10% of power costs) |
Project costs of $29.8 million includes:
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|
| February 2006 | Statement of Proposal | 35.6 | 711,050 in year 1 | Based on 1970 allotments, but treatment plant capacity between 2500 and 3000 allotments Includes financing costs and Council fees |
|
| June 2006 | Long-Term Council Community Plan | 35.6 | 711,050 in year 1 | As above in Statement of Proposal | |
| October 2006 | Council minutes setting out presentation provided by Chief Executive at meeting | 42.638 + purchase price for farm |
Total cost of $57.764 million includes:
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| December 2007 | Project Deed | 37.835211 (guaranteed maximum) | 930,166 in year 1 | $53 million loan from ABN Amro | Contract for 1216 sections only, additional sections to be covered by a modification Water treatment plant capacity 2000+ properties |
| March 2008 | Paper to the Council from Chief Executive | 44 | 1,000,000 |
Total costs $57.7 million includes:
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|
| June 2009 | Long-Term Council Community Plan | 50.526 | 5,348,000 in year 1 (includes depreciation) | ||
| July 2009 | MDHL invoice for sale of plant and reticulation assets | 51.477 incl GST | Invoice includes construction costs, ABN Amro financing costs, as well as $0.8 million provided to Council to cover its costs | ||
| January 2011 | PowerPoint presentation on project review prepared by Beca | 46.4 |
Total project costs $63.3 million, includes:
|