Preliminary Permit Application for the Clark

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Preliminary Permit Application for the Clark 20150421-5044 FERC PDF (Unofficial) 4/20/2015 5:32:03 PM PRELIMINARY PERMIT APPLICATION FOR THE CLARK CANYON DAM HYDROELECTRIC PROJECT PREPARED BY: Clark Canyon Hydro, LLC. 2184 Channing Way, #131 Idaho Falls ID 83404 April 20, 2015 20150421-5044 FERC PDF (Unofficial) 4/20/2015 5:32:03 PM UNITED STATES OF AMERICA BEFORE THE FEDERAL ENERGY REGULATORY COMMISSION ) ) Clark Canyon Hydro, LLC ) Project No. ___________ ) ) Application for the Preliminary Permit for the Clark Canyon Dam Hydroelectric Project A. Initial Statement 1. Clark Canyon Hydro, LLC (Clark Canyon Hydro) applies to the Federal Energy Regulatory Commission (FERC or Commission) for a preliminary permit for the proposed Clark Canyon Dam Hydroelectric Project (Project), as described in the attached exhibits. This application is made in order that the applicant may secure and maintain priority of application for a license for the Project under Part I of the Federal Power Act (FPA) while obtaining the data and performing the acts required to determine the feasibility of the project and to support an application for a license. 2. The location of the proposed project is: State: Montana County: Beaverhead Nearby Town: Dillon, MT Stream: Beaverhead River 3. The exact name, business address, and telephone number of the applicant is: Clark Canyon Hydro, LLC. 2184 Channing Way, #131 Idaho Falls ID 83404 1 20150421-5044 FERC PDF (Unofficial) 4/20/2015 5:32:03 PM The exact legal name and business address of each person authorized to act as agent for the applicant in this application are: Alina Osorio Aquila Infrastructure Management Inc. 55 University Avenue, Suite 201 Toronto, Ontario M5J 2H7 Phone: 416-340-1937, #262 Email: [email protected] Peter Clermont Aquila Infrastructure Management Inc. 55 University Avenue, Suite 201 Toronto, Ontario M5J 2H7 Phone: 416-340-1937, #234 Email: [email protected] Kimberly Ognisty Winston & Strawn LLP 1700 K Street, N.W. Washington, DC 20006-3817 Phone: 202-282-5217 Email: [email protected] David Boyter NW Engineering Services, P.C. 1680 Woodruff Park Idaho Falls, ID 83401 Phone: 208-932-2720 Email: [email protected] 4. Clark Canyon Hydro is a private domestic company formed in the State of Utah, and is not claiming preference under section 7(a) of the Federal Power Act. 5. The proposed term of the requested permit is 36 months. 6. The name and address of the owner of any existing dam and facility: Bureau of Reclamation, Dam & Land Owner Montana Area Office Chris Gomer, Project Manager PO Box 30137 Billings, MT 59107-0137 (406) 247-7312 2 20150421-5044 FERC PDF (Unofficial) 4/20/2015 5:32:03 PM B. Information Required By 18 C.F.R. § 4.32(a) 1. Identification of every person, citizen, association of citizens, domestic corporation, municipality, or state that has or intends to obtain and will maintain any proprietary right necessary to construct, operate, or maintain the project: Clark Canyon Hydro, LLC 2184 Channing Way, #131 Idaho Falls ID 83404 2. (i) Names and mailing addresses of every county in which any part of the project, and any Federal facilities that would be used by the project, would be located: Beaverhead County Debra L. Scott, County Clerk 2 South Pacific Street STE #3 Dillon, MT 59725 (ii) Names and mailing addresses of every city, town, or similar local political subdivision: In which any part of the project, and any Federal facilities that would be used by the project, would be located; or) That has a population of 5,000 or more people and is located within 15 miles of the project dam: None. (iii) Names and addresses of every irrigation district, drainage district, or similar special purpose political subdivision: In which any part of the project, and any Federal facilities that would be used by the project, would be located; or that owns, operates, maintains, or uses any project facilities or any Federal facilities that would be used by the project: Bureau of Reclamation, Dam & Land Owner Montana Area Office PO Box 30137 Billings, MT 59107-0137 (406) 247-7312 East Bench Irrigation District, Dam Operator 1100 Highway 41 Dillon, MT 59725 (406) 683-2307 (iv) Names and addresses of every other political subdivision in the general area of the project that there is reason to believe would likely be interested in, or affected by, the application: 3 20150421-5044 FERC PDF (Unofficial) 4/20/2015 5:32:03 PM Beaverhead County, Chamber of Commerce 10 W. Reeder P.O. Box 425 Dillon, MT 59725 (v) Names and addresses of all Indian tribes that may be affected by the project: Nez Perce PO Box 305 Lapwai, Idaho 83540 Northern Arapaho Tribe PO Box 396 Fort Washakie, WY 82514 Shoshone-Bannock Tribes PO Box 306, Pima Drive Fort Hall, ID 83203 Eastern Shoshone Tribe PO Box 538 Fort Washakie, WY 82514 Confederated Salish and Kootenai Tribes PO Box 278 Pablo, MT 59855 C. Attached Exhibits 1. Exhibit 1: Description of Proposed Project 2. Exhibit 2: Study Plan and Statement of Costs and Financing 3. Exhibit 3: Project Maps and Form 587 4 20150421-5044 FERC PDF (Unofficial) 4/20/2015 5:32:03 PM 20150421-5044 FERC PDF (Unofficial) 4/20/2015 5:32:03 PM EXHIBIT 1 DESCRIPTION OF PROPOSED PROJECT 1. Description of Existing Structures The Flood Control Acts of 1944 and 1946 approved the construction of the Clark Canyon dam as part of the Reclamations Pick-Sloan Missouri River Basin Program, East Bench Unit. The approximately 2,950-foot-long zoned, earth-fill dam includes a concrete intake structure and conduit in the reservoir, a shaft house at the crest of the dam, a 9-foot-diameter conduit that discharges water to a concrete stilling basin, a gate chamber with four high pressure gates, two of which act as emergency gates, and an uncontrolled concrete spillway. 2. Description of Proposed Project Features Steel Liner – Clark Canyon Hydro proposes to install a new 8-foot-diameter steel penstock within the existing concrete conduit. The penstock will extend approximately 360 feet from the existing gate chamber to near the existing outlet works stilling basin. A trifurcation will then separate the flows into two steel penstocks (Powerhouse Penstocks) and one steel penstock, each of which will discharge into the existing outlet works stilling basin. Powerhouse Penstocks – Two steel 8-foot-diameter, 35-foot-long penstocks (the length includes the reducing sections) will convey flows from the trifurcation to the proposed powerhouse. 20150421-5044 FERC PDF (Unofficial) 4/20/2015 5:32:03 PM Directly upstream of the powerhouse, each of the two 8-foot-diameter penstocks will transition to a 6-foot diameter-steel penstock before entering the powerhouse. These penstocks will direct flows to both of the new turbines. Outlet Stilling Basin Discharge – The 8-foot-diameter steel penstock leaving the trifurcation to the outlet stilling basin will be approximately 10 feet long. A 7-foot-diameter fixed cone valve with a reducer will be installed at the end of the 8 foot diameter steel penstock for controlled discharge into the existing outlet works stilling basin. Powerhouse – The dimensions of the powerhouse will be approximately 41 feet by 62.5 feet. The powerhouse will contain two vertical Francis-type turbine/generator units with a combined generating capacity of 4.7 MW, and a combined discharge capacity of 700 cfs. The powerhouse will be a reinforced concrete substructure. Removable roof hatches will be provided for access to the equipment for maintenance. A crane will be provided for normal maintenance activities; however, a mobile crane will need to be brought to the site for installation and removal of the turbine/generator equipment. Controls, switchgear, and other electro-mechanical equipment will be located inside the powerhouse building. The powerhouse will include a control room. Draft Tubes and Tailrace – Water discharged from the turbines will pass through integral steel draft tubes (approximately 25 feet long, within the powerhouse). Each draft tube will transition into a concrete draft tube/tailrace section with integrated stop log channels outside the powerhouse, channels approximately 15-foot-wide by 17-foot-long and will discharge into the existing spillway stilling basin. Draft tubes outlets inside the tailrace will be configured with stop log slots for removable bulkheads to allow for dewatering. Powerhouse Substation – The powerhouse substation will be located northeast of the powerhouse (approximately 1,100 feet downstream of the powerhouse). The substation includes a 4.16 kV to 69 kV step-up transformer with switchgear on concrete pad foundations with containment and a grounding grid. Underground transmission line will be between the powerhouse and the powerhouse substation. Transmission –The new transmission line will run from the powerhouse substation approximately 7.9 miles to the Peterson Flat substation and will be adjacent to and within sections of the Highway 324 right-of-way (ROW) as shown in the attached map. The new line will consist of a single pole at a voltage of 69kV with an average span distance of 428 feet, and 13 poles per mile on a proposed 80 foot corridor. The proposed transmission line will cross Bureau of Reclamation (BOR), Montana State Land and run adjacent to private lands within the Beaverhead County Highway 324 Right of Way (ROW). 3. Existing Reservoir No proposed dams or reservoirs are included in the project. The existing Clark Canyon dam is federally owned. The reservoir has a capacity of 253,442 acre-feet and an active capacity of 126,117 acre-feet. The water surface area of the reservoir is 4,935 acres. 20150421-5044 FERC PDF (Unofficial) 4/20/2015 5:32:03 PM 4.
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