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Item No.'s 6.a - 6.d. PC: 11-5-92 i MS-92-209, MS-92-208, MS-92-177, MS-92-190 of Jahant Road. As a result of this requirement, all four of the parcels will be required to use the private road for access. The actual improvement of the private road to County standards will be deferred, resulting in the road being built to standards of the Uniform Fire Code, the Liberty Fire District, and the County's minimum requirements for access roads. The other two Minor Subdivision Applications do not have any issues concerning circulation or access. FACILITIES/SERVICES: Storm Drainage: In response to the Planning Commission's concerns about drainage associated with Max Lee's subdivision and the future development of other AL-5 properties in the area, Public Works and Development Services staff met on October 8, 1992_ The alternatives that were discussed and evaluated are as follows: • Prepare a facility plan for drainage for this AL-5 area under consideration. This idea was discounted because the County does not have the funds to front-end the cost of the study, nor is there sufficient developable property to assess developer fees for the preparation of such a study. Further, once the study has been completed, development of the area would have to conform with the study, which would not only include on-site improvements but the acquisition of off-site rights-of-way and construction of drainage facilities, which is not economicalty viable. • Form an assessment district for this AL-5 area for the purposes of developing drainage for the area This alternative was discounted for the same reasons that the preparation of a master facility pian was discounted. • Evaluate each project on an individual basis. This is the approach that was used with Max Lee. Whenever possible, staff recommends terminal drainage for development projects. In the case of Max Lee,there is no terminal drainage facility available. However, there is an irrigation tail water ditch that runs through the property which ultimately flows to terminal drainage in Gill Creek It was therefore recommended that this drainage ditch be utilized for the development of the property in a way that would not impact downstream properties. The recommended condition in Max Lee's case was to oversize this drainage ditch, on Max Lee's subdivision site, to handle the drainage from the site and also to provide for metering the drainage from the site so that it would not exceed the predevelopment runoff rate. This is accomplished by constructing a pond with an outflow pipe sized to restrict the flow. In Max Lee's case, there is also a restriction of how much water can come onto his site because of the 24-inch culvert located in the drainage ditch at the east end of the property. t -12-