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| 02712cam 2200313za 4500 |
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001 | 9.857404 |
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003 | CaOODSP |
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005 | 20221107155742 |
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007 | cr ||||||||||| |
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008 | 180605s1996 oncado #o f000 0 eng d |
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040 | |aCaOODSP|beng |
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041 | |aeng|bfre |
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043 | |an-cn-on |
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086 | 1 |aNH17-243/1996E-PDF |
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100 | 1 |aHawken, H. J. |
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245 | 10|aOtto Township contour trench sewage system |h[electronic resource] / |cby H.J. Hawken, H. Sutcliffe Ltd. ; CMHC Project Officer: A. Houston, C. Ives, M. Macpherson. |
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260 | |a[Ottawa?] : |bCanada Mortgage and Housing Corporation, |c1996. |
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300 | |a1 v. (various pagings) : |bill., graphs, photographs |
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500 | |a"Final report: October 2nd, 1996." |
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500 | |a"This project was carried out with the assistance of a grant from Canada Mortgage and Housing Corporation under the terms of the Housing Technology Incentives Program (CMHC CR File 6521-6/91)." |
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500 | |aDigitized edition from print [produced by Canada Mortgage and Housing Corporation]. |
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504 | |aIncludes references. |
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520 | |a"This project consisted of the design, construction and monitoring of a contour trench sewage disposal system to replace failed conventional septic tank and bed systems in four CMHC homes in Northern Ontario and was the first contour trench installed in the Province of Ontario. In this instance the contour trench system consists of a single disposal pipe laid in a gravel trench constructed in imported fill which follows a single contour permitting the effluent to take advantage of lateral flow along a single gradient. The system was developed in Nova Scotia. Monitoring of system performance indicated that the chemical wastewater constituents were being effectively treated through biological and mechanical processes. A problem was experienced with the hydraulic performance of the system. Some effluent breakout was experienced in a portion of the bed, presumably due to uneven effluent distribution. Most recently this problem has diminished and the monitoring data indicates that effluent distribution has become more equalized. It is suggested that the monitoring period continue to evaluate the long term performance of the stabilized system. Future installations of this type of system could be possible in the Province of Ontario if specific engineering and effluent guidelines were developed"--Abstract, p. 1. |
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546 | |aIncludes abstract in French. |
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692 | 07|2gccst|aWaste water |
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692 | 07|2gccst|aConstruction |
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692 | 07|2gccst|aSystems |
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710 | 2 |aCanada Mortgage and Housing Corporation. |
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856 | 40|qPDF|s2.39 MB|uhttps://publications.gc.ca/collections/collection_2018/schl-cmhc/nh17/NH17-243-1996-eng.pdf |
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