4-7-200 INSTALLATION OF UTILITIES – GENERAL REQUIREMENTS AND MINIMUM STANDARDS:

A. SANITARY SEWERS:

Unless septic tanks are specifically approved by the Public Works Department and the King County Health Department, sanitary sewers shall be provided by the developer at no cost to the City and designed in accordance with City standards. Side sewer lines shall be installed eight feet (8') into each lot if sanitary sewer mains are available, or provided with the subdivision development. (Ord. 5100, 11-1-2004; Ord. 5450, 3-2-2009)

B. STORM DRAINAGE:

An adequate drainage system shall be provided for the proper drainage of all surface water. Low impact development best management practices are required consistent with the Surface Water Design Manual. Cross drains shall be provided to accommodate all natural water flow and shall be of sufficient length to permit full-width roadway and required slopes. The drainage system shall be designed per the requirements of RMC 4-6-030, Drainage (Surface Water) Standards. The drainage system shall include detention capacity for the new street areas. Residential plats shall also include detention capacity for future development of the lots. Water quality features shall also be designed to provide capacity for the new street paving for the plat. Drainage vaults, ponds, etc., shall be located within dedicated tracts. (Ord. 5745, 1-12-2015; Ord. 5828, 12-12-2016)

C. WATER SYSTEM:

The water distribution system including the locations of fire hydrants shall be designed and installed in accordance with City standards as defined by the Department and Fire Department requirements.

D. UNDERGROUND UTILITIES:

All utilities designed to serve the subdivision shall be placed underground. Any utilities installed in the parking strip shall be placed in such a manner and depth to permit the planting of trees. Those utilities to be located beneath paved surfaces shall be installed, including all service connections, as approved by the Department. Such installation shall be completed and approved prior to the application of any surface material. Easements may be required for the maintenance and operation of utilities as specified by the Department.

E. CABLE TV CONDUITS:

Any cable TV conduits shall be undergrounded at the same time as other basic utilities are installed to serve each lot. Conduit for service connections shall be laid to each lot line by the applicant so as to obviate the necessity for disturbing the street area, including sidewalks, or alley improvements when such service connections are extended to serve any building. The cost of trenching, conduit, pedestals and/or vaults and laterals as well as easements therefore required to bring service to the development shall be borne by the developer and/or land owner. The applicant shall be responsible only for conduit to serve his development. Conduit ends shall be elbowed to final ground elevation and capped. The cable TV company shall provide maps and specifications to the applicant and shall inspect the conduit and certify to the City that it is properly installed. (Ord. 5907, 12-10-2018)

F. LATECOMER’S AGREEMENTS:

Where a development is required to construct utility improvements that may also be required by other developments or by future development of other parcels in the vicinity, then the developer may request establishment of a latecomer’s agreement to reimburse the developer for all initial costs of the improvements. The procedure to follow in making application for the latecomer’s agreement and the steps to be followed by the City are as detailed in chapter 9-5 RMC.