Condit Dam Removal Condit Dam Removal - Access Washington

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Condit Dam Hydroelectric Project Final Supplemental EIS • Explosives used per delay should be reduced to a minimum • A quiet initiation or bottom hole initiation system should be used during blasting • The timing of the blasting activities should be coordinated with local agencies and/or residents as needed • Nearby sensitive receptors (e.g., residences) should be alerted of the impending blast noise by means of a warning horn or similar device • Blasting operations should not be performed within ¼ mile (1,320 feet) of an occupied dwelling on weekends, legal holidays, or between 8 pm and 8 am on other days 4.8.4 Significant Unavoidable Adverse Impacts As previously stated, several residences (i.e., sensitive noise receptors) are located adjacent to the dam, the concrete disposal site, and the roads along which trucks and construction equipment would travel during the Proposed Action. Intermittently, construction noise levels at these residences would significantly exceed the modeled noise levels. The noise levels at these sensitive receptors due to construction activities do not exceed state or local noise standards due to exemptions for construction in the Klickitat County, Skamania County, and State of Washington noise regulations. Implementation of the mitigation measures noted above would minimize most impacts. However, construction noise impacts to adjacent residential properties would be significant due to the duration and intensity of noise that would be received. Therefore, construction noise impacts to adjacent residential properties are considered a shortterm significant unavoidable adverse impact for the Proposed Action. 4.8-11
Condit Dam Hydroelectric Project Final Supplemental EIS 4.9 LAND USE/CRITICAL AREAS This section evaluates land use and critical areas that could be affected as a result of the proposed action. Recreational impacts and mitigation measures were addressed in previous FERC documents and are not addressed in this section. Other discussions related to land use/critical areas are included in Water Resources (Section 4.2), Aquatic Resources (Section 4.3), Public Safety (Section 4.11) and Public Services (Section 4.12). PacifiCorp has asserted that the Federal Power Act preempts local authority. It is not known at the time of publication of the Draft SEIS whether FERC or the courts will determine that the Federal Power Act would preempt local permits. If the Federal Power Act does preempt local authority, then the discussions in this section would be academic. If the Federal Power Act does not preempt local authority, then procedures to acquire county permits would be required, and the impacts relative to county regulations would be important. 4.9.1 Affected Environment For the Proposed Action (dam removal), the affected area analyzed would be the area from the Northwestern Lake Bridge extending to the Underwood (in-lieu) site adjacent to the Columbia River. Both Klickitat and Skamania counties, on the east and west sides of Northwestern Lake (reservoir) and the White Salmon River have land use jurisdiction. The USFS manages lands upstream from the reservoir (surface area approximately 92 acres) as part of the Lower White Salmon National Wild and Scenic River area. The USFS also manages the Columbia River Gorge National Scenic Area, which extends over virtually the entire proposed action area. The discussion below includes land use and critical areas. Land Use Current land uses in the area include resource lands along the reservoir. Private rural residences occur along the canyon slopes and residences leased from PacifiCorp occur along the shoreline. There are a few orchards and agricultural uses on the upland slopes along the river near the dam. Forest lands are located north of the reservoir and along the higher west slopes. In addition, Northwestern Park is located on or near the northern end of the reservoir. Some of the lands south of the dam are owned by SDS Timber Company. Current zoning by Klickitat County (east side of reservoir) includes Resource Lands (RL), along the reservoir shoreline and the White Salmon River; Rural Residential (RR) along SR 141; Extensive Agriculture (EA) east of SR 141; Open Space (OS) east of SR 141; and Forest Resources (FR), east of SR 141. There are a number of principal uses permitted outright as well as accessory uses in the RL zone. In addition, there are several conditional uses allowed, subject to a conditional use permit. The Comprehensive Plan includes lands designated RL along the reservoir shoreline. The RL designation (as all uses noted in the County Land Use Map) is intended as a guide to the development of the county, based on County goals and policies. 4.9-1
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Condit Dam Removal Final SEPA Suppl
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March 23, 2007 Dear interested part
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Contents Public Meetings Response P
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Contents Individuals Individuals A-
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