00000nam 2200000zi 4500 9.910795 CaOODSP 20221107182218 m o d f cr cn||||||||| 220502e199703##oncao ob f000 0 eng d CaOODSP eng rda CaOODSP eng eng fre NH15-853/1997E-PDF Krebes, John S, author. Lower cost alternative for municipal sewer inspection and maintenance / by John S. Krebes, Butler Krebes & Associates Inc. Ottawa : CMHC = SCHL, March 1997. 1 online resource (141 pages in various pagings) : illustrations, photographs text txt rdacontent computer c rdamedia online resource cr rdacarrier Digitized edition from print [produced by Canada Mortgage and Housing Corporation]. "CMHC project officers: A. Houston/C. Ives" Includes bibliographical references. "The manhole used for inspection and maintenance in a sewer system can be replaced with a lower cost alternative access at two straight run pipe junctions upstream of a sewer system. The lower cost alternative was developed based on employing currently available video inspection and remote controlled sewer cleaning equipment. A pilot model was constructed by the City of Edmonton using polyvinyl chloride pipes and fittings. It was found that the lower cost alternative access was easy to construct and cost effective. By utilizing this alternative, the potential cost saving in a subdivision is approximately $1,150 per hectare"--Abstract. Summary in English and French. Sewerage Maintenance and repair. Sewer-pipe. Manholes. Égouts Entretien et réparations. Tuyaux d'égout. Regards (Travaux publics) Canada Mortgage and Housing Corporation, issuing body. PDF 3.42 MB https://publications.gc.ca/collections/collection_2022/schl-cmhc/NH15-853-1997-eng.pdf