Unit III - Sanitary Sewer Design Standards - City of Fort Wayne

Water Resources Development Criteria/Standards Manual Chapter 1UNIT III - Sanitary Sewer Design StandardsIntroductionAdministering Authority – The designated unit of government given the authority toissue permitsAverage Daily Flow – Average 24-hour dry weather flow, including a nominal amount ofinfiltration, within a sewer.Backfill – Earth and/or other material used to replace material removed from trenches orother excavations during construction activities. The backfill lies above the pipebedding.Bedding – The portion of backfill which encases the sewer pipe to a minimum depthabove and below the barrel of the pipe. The bedding serves as the pipe support.Board – The Board of Public Works for the City of Fort Wayne and any subordinateemployee to whom the Board shall specifically delegate the responsibility authorized bythese standards.Building Sewer – Private sewers which connect building plumbing to public sewers.Building sewers normally begin outside the building foundation.Buoyancy – The act of supporting a floating body, including the tendency to float anempty pipe by exterior hydraulic pressure.Capacity of Gravity Sanitary Sewer Facility – The maximum flow that can be conveyedor stored in a sanitary sewer or conduit without surcharging.City Utility Designed Project – Project designed by Fort Wayne in-house staff.Cleanout – A pipe or some other opening through which a device may be run to unplug asewer.Collar – A monolithic concrete encasement for support of a conduitCollector Sewer – Sewer which is primarily installed to receive wastewater directly fromproperty service connections and convey the wastewater to an interceptor line.Crown of Pipe – The highest inside part of a pipe or conduit.Development – Any man-made change to improved or unimproved real estate, includingbut not limited to, buildings, or other structures, mining, dredging, filling, grading,paving, excavation, substantial improvements, placement of mobile homes, subdivisionof land, in-fill or drilling operations.Effluent – Water or wastewater that flows from a facility such as a pump station ortreatment process.Encasement – The enclosing or surrounding of a conduit with concrete or other suitablematerial.Created: January 1, 2002 III - 1 - 3 City of Fort WayneRevised: