2019 Design Standards Amendments

Chapter 3 Sanitary Sewers 3C-1 C Add the following statement: Solvent welded connections are not acceptable within the right of way or easements. 3C-1 G. 3. Add the following paragraphs: Sanitary sewers crossing creeks shall be Class 350 Ductile Iron Pipe encased in reinforced concrete or 3/8-inch steel carrier pipe. Encasement shall be no less than 1-foot beneath the natural bottom of the creek. Greater depths may be required by the City Engineer. Rip-rap all disturbed creek banks and bottom after construction. 3C-1 I. 2 .a. Change minimum easement width to read “15-feet” 3C-1 L. 4. a. 4. Replace paragraph with the following: 4. at intervals not exceeding 400-feet. 3C-1 L. 10. Add the following paragraph f.: f. For manholes with internal drop connections, the manhole diameter shall be 1-foot larger than that calculated in this section. 3C-1 L. Add the following as Article 11. 11. Other Jurisdictional Requirements Castings shall be non-rocking, self-sealing and meet SUDAS specifications. The words “SANITARY SEWER” shall be cast into the lid. Chimney seals are required for sanitary sewer and shall span from the casting to the cone section. Concrete spacers or metal shims shall be the only materials utilized to adjust frame elevations. Grout must be used to bond and seal frames to adjusting spacers. All manholes shall be marked with two metal fence posts to remain in place until landscaping is complete. In developments, the posts shall remain in place until landscaping has been completed by the lot owner. 3C-1 M. 2. Add the following as the second sentence and Table 3C-1.04 All sanitary sewers services shall be in accordance with Table 3C-1.04. Table 3C-1.04 SEWER SERVICE CONNECTIONS Type Number of Connections and Service Requirements Size of Service Pipe SINGLE FAMILY 1 – 4” Existing Service Connection of Correct Size or Closest Pipe DUPLEX OR ZERO- LOT LINE 1 – 6” or 2 – 4” Existing Service Connection of Correct Size TOWNHOUSE OR MULTIPLE 1 – 6” Service for Each 2 Units or Existing Correct Size or Closest Service SIDE BY-SIDE APTS 1 – 4” Service Per Unit ** Connection of Pipe MULTI-STORY APARTMENTS 1 – 6” Service (Max. 6 Units) or All units must be plumbed for Correct MAX. 6 UNITS 1 – 4” Service for each 2 units ** Size or Closest Pipe MULTI-STORY APARTMENTS 1 – 8” Service (Max. 12 Units) or Existing Service Connection of Correct 7 UNITS OR MORE 1 – 6” Service per 6 Units or Size or Closest Pipe. May require larger 1 – 4” Service per 2 Units ** private service line built to City Standards COMMERCIAL OR MIXED USE Requires City Engineer Approval. ** All units must be plumbed. May require DEVELOPMENT Must be sized per IDNR regulations larger private Service line built to City standards ** Alternate service configurations with design calculations may be submitted to the City Engineer for approval. 6