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Filed for Record 04/16/2009 04:48:53 PM -Kittitas County, WA Auditor -200904160090 Page 113 of 118 EXHBIT J (Rev. 1) to Development Agreement Development Standards and Design Guidelines for MountainStar Master Planned Resort December 2t 2008 Section 4 -Stormwater Management The provisions of Chapter 12.70 KCC, Storm Water Management Standards and Guidelines, shall be inapplicable to MountainStar. Drainage plans for MountainStar shall be consistent with the Master Drainage Plan, MountainStar Master Planned Resort, dated April 1999 (Rev. July 1999). Stormwater retention/detention, infiltration and water quality facilities, as required in the Master Drainage Plan, shall be included in the final drainage plans for each applicable plat or subdivision. Drainage facility locations will be based on future detailed design studies. The Master Drainage Plan for MountainStar describes in detail the proposed stormwater runoff and water quality control plans for managing stormwater runoff generated by MountainStar. The facilities planned will be designed to minimize the environmental impact of the development on the Cle Elum River, site streams, and groundwater in the area. The stonnwater management facilities planned for the resort will be designed to DOE SMM (1992) standards, and the requirements and protocols of the Master Drafoage Plan. The DOE SMM for Eastern Washington, current addition, shall be uS"ed for 8MPs a approved by Kittitas County. Governing documents for the design and construction of MountainStar stonnwater facilities shall include the following: ~ Master Drainage Plan, MountainStar Master Planned Resort, W&H Pacific, Inc., April 1999 (rev. July 1999), as may be further amended. ~ Stormwater Management Manual for Eastern Washington, Washington State Department of Ecology, current addition. ~ Standard Specifications for Road, Bridge, and Municipal Construction, Washington State Department of Transportation (WSDOT); the Highways and Local Programs, American Public Works Association (APWA) general provisions, latest edition; Kittitas County; and MountainStar Resort Development, LLC standards and specifications. The State standard specifications and plans shall be maintained by the contractor on site during the entire period of the construction. Definitions noted as "state" and "contracting agency" shall be amended to read "owner''. The construction of storm drainage facilities shall be done in accordance with plans that have been approved by the County Engineer. Driveway culverts shall be a minimum of 12 inches in diameter or the equivalent. Section 5 -Wastewater Facilities Within the MPR boundaries, the MountainStar Resort Resources, Inc. utility established by Trendwest will review and approve planning, design and construction documents for wastewater collection and pumping facilities. Governing documents for design and construction of Suncadia Master Planned Resort Exhibit J-D~w.dopmem Standards 8 December 2, 2008