6.1.A. SR 12-18-2006 - Laserfiche WebLink

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I I I I I I I I I I I I I I I I I I I In November 2006 the City contracted Visu-Sewer to televise all of the existing lines within the project area. The results are expected to show that the existing sewer will not require any improvements at this time. The existing sanitary sewer system is shown on Exhibit 2. Watermain Existing watermain is located throughout the project area with the exception of 6th, ih, and 8th Streets west of Irving Avenue where there is none. Pipe sizes range from 4-inch to 24-inch. There are 10-inch and 24-inch watermain lines running from Jackson Avenue along 5th Street continuing through to a connection on Gates Avenue. The remaining streets generall~ contain 6-inch pipe with the exception of Irving Avenue south of 51h Street and 61h and 7 Streets east of Irving Avenue which are 4-inch. The existing watermain is shown on Exhibit 3. Within the 6th Street, Gates Avenue, and ih Street loop there exists non-copper service lines to the existing residential properties. Storm Sewer The main storm sewer line runs east from Jackson Avenue along 6th Street, Irving Avenue, 5th Street and on to Gates Avenue consisting of 36-inch reinforced concrete pipe. Extending off this line there are catch basins at Jackson Avenue, 6th Street and Irving Avenue, 51h Street and Holt Avenue, and 51h Street at Gates Avenue. There is no storm sewer located on any of the other streets within the project area. Generally the overland drainage pattern of the streets west of Irving Avenue, including 51h, 6th, ih, and 8th Streets, flow from east to west and collect at catch basins located along the east side of Jackson Avenue. The stormwater s~stem along Jackson Avenue in this area flows into the 36-inch line which flows east at 61 Street. Sixth and Seventh Streets east of Irving Avenue, including the connecting portions of Gates Avenue, flow from east to west onto Irving Avenue collecting in a catch basin at 61h Street. This catch basin connects directly into the 36-inch main line sewer. Stormwater on Irving Avenue from School Street south to 61h Street also flows to this catch basin. Stormwater on Irving Avenue south of 51h Street flows into catch basins at the 41h Street intersection. The general stormwater flow pattern, within the 51h Street loop east of Irving Avenue, flow to the southeast and into two catch basins on the south end of Gates Avenue and 51h Street. These catch basins connect into the 36-inch line via a 12-inch reinforced concrete pipe. The existing storm sewer is shown as Exhibit 5. 4