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THE MUNICIPALITY OF LAMBTON SHORES D.C.S. Report No. 36-2013 Wednesday, February 27, 2013 TO: FROM: RE: Mayor Weber and Members of Council Brent Kittmer, Director of Community Services Water Meter Replacement Program – Thermal Expansion RECOMMENDATION: That the report be received for Council’s information. REPORT As part of the Lambton Shores 2012 Capital Plan and water meter replacement initiative, 370 water meter assemblies were replaced in Grand Bend. This installation project was contracted to Neptune Technology Group. The new meter assemblies installed consisted of new isolation valves, water meter, backflow preventer and pressure reducing valve. The backflow prevention device is recommended by the Ministry of Environment and is a requirement of municipal bylaw #65-2008. Its purpose is to prevent contaminants from being back-fed into the municipal drinking water system. Most households in Lambton Shores have had this device installed for many years. It was believed prior to the 2012 project that all households in Grand Bend had these backflow prevention devices and therefore plumbing systems would be properly designed to relieve thermal expansion. Thermal expansion tanks are installed in homes with backflow preventers to relieve buildup of pressure caused by thermal expansion created by hot water tanks. These expansion tanks are a requirement of plumbing code for new homes and are highly recommended by the Lambton County Building Department for existing homes with new backflow prevention devices. Protecting a homes plumbing system from thermal expansion is a home owners responsibility. There have been three instances where leaks have occurred in households where meter assemblies were replaced last fall. It is difficult to determine if the cause of the leaks was thermal expansion. However, after reviewing the situations it was discovered that two of the three did not have backflow preventers prior to the meter replacement. Staff have gone through pictures that were taken by Neptune before the meter assemblies were replaced and have been able to confirm that approximately 95% of the households had backflow preventers before the meter replacement project. Letters will be sent to all home owners who were part of the meter replacement program in 2012 to inform them of the risks of thermal expansion and the need for home owners to ensure 120
their plumbing systems can relieve pressure build up caused by thermal expansion. The 5% of households where the “before” pictures did not clearly show existing backflow preventers will receive these letters by registered mail. Staff believe these actions are required in order to limit exposure to liability in the event that damages are caused by thermal expansion, and to inform property owners that it is their responsibility to take all reasonable steps necessary to protect their home’s plumbing system. This information regarding thermal expansion will be presented to home owners prior to meter replacement in future meter replacement projects. Respectfully submitted, Brent Kittmer, P.Eng. Director of Community Services Report Prepared by Jeff Wolfe, Project and Infrastructure Manager 121
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THE CORPORATION OF THE MUNICIPALITY
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8.4 PL Report No. 14-2013 - Re: Ric
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February 2013 Bluewater Recycling A
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In-Kind Advertising Program - Blue
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A new Speech from the Throne will b
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Container Freight Rates To Rise By
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Canada Receives A “C” For Envir
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Low Standards Costly for Some Recyc
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City Trash Talk: Vancouver's Plans
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L A M B T O N S H O R E S C O M M U
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Minutes of the February 7, 2013 Bud
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Minutes of the February 7, 2013 Bud
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Minutes of the February 11, 2013 Co
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SCHEDULE “A” TO BY-LAW 37-2012
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Health Canada admits Safety Code 6
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those binders should be inadmissibl
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In the 1999 version of Health Canad
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From: Don White & Karen Kelly-White
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Minutes of the Lambton Shores Fire
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THE MUNCIPALITY OF LAMBTON SHORES P
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not accepted and does not meet the
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iv) the proposed non-farm single-de
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Servicing The proposed non-farm res
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THE MUNCIPALITY OF LAMBTON SHORES P
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In addition Mr. Card sent the follo
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Page 94 and 95: Dear Members of Lambton Shores Coun
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Page 116 and 117: Attachment 1 Lambton Shores Harbour
Page 120 and 121: 13-0211-07 Moved by: Deputy Mayor D
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Page 156 and 157: Integrity Commissioner Attachment 2
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Cllr Martin Underwood. The Federati
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Communities must have plan for futu
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