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HomeMy WebLinkAboutEklutna Hydro Project 1995i MUNICIPALITY OF ANCHORAGE eatumesces, Wy : MUNICIPAL LIGHT & POWER MEMORANDUM DATE: TO: FROM: September 25, 1995 Eklutna Project and Facilities Inspection Participants Moe T. Aslam, Chief Engineer, ML&P SEA e AERuwIN SUBJECT: Eklutna Project Purchase Inspection We are scheduled to start the subject Eklutna project and Facilities inspection. The purchasers (ML&P, CEA, and MEA) shall conduct engineering, environmental and safety inspections jointly with APA, per the purchase agreement. The following order is recommended: APA Anchorage Sub 115 kV Transmission line portion - Anchorage Sub to ML&P Plant 2 115 kV Transmission line portion - ML&P Plant 2 to Eklutna Plant Switchyard Eklutna Dam and associated structures Gate shaft and associated structures Vatetrra © Surge tank and associated structures Penstock 2 Power tunnel access adit/access tunnel => Power house substation/switchyard xfer & 115 kV Transmission line portion - Power house Substation to Palmer & Reed Substation 115 kV Transmission line taps Palmer and Reed Substations Miscellaneous buildings at Plant area, office, garage, warehouse Communication Repeater site, equipment and radios Other facilities in the Purchase Agreeme:.i. eC This inspection portion is intended to perform ouiside inspection of facilities to the extent possible before the cold weather sets in. Additional inspections for areas of concern and inside facilities and power tunnel, etc. will be scheduled later with APA. Attachments: Back up correspondence regarding inspection xc: Tom Stahr 2 SEP 21 795 91:57PM AK POWER ADMIN Paeve September 21, 1995 Fax to Moe Aslam, ML&P From Scott Willis, APA Re: Eklutna Asset List Here is a gross list of assets of the Eklutna Project: i Ekiutna Dam, Includes spillway, outlet works. 2: Eklutna Power tunnel. Includes intake structure, bulkhead gate, slide gate and gate shaft, lined tunnel, fixed wheel gate, surge tank, penstoc, power tunnel access adit. e 3. Ekdutna Power Plant. Includes two units (francis turbine and generator) 15 MW each, transformers, auxiliary electrical and meche:.ical systems, tailrace. 4. Eklutna Power Plant switchyard. Includes circuit breakers and disconnect switches. 5. 115 kV transmission lines. Includes line to Palmer and line to Anchorage and various taps. 6. Substations. Includes Anchorage Sub, Palmer Sub, Reed Sub. it Miscellaneous buildings at plant area. Includes office, garage, warehouse. 8. Communications repeater site. Incudes antennae, radios. ae a] ij % Ny J ve] aa GOAT ir MOUNTAIN i 2, ‘ou; Bu } “PRECAST CONDUIT. STRUCTURE- a ane g'DIA CONCRETE LINED TUNNEL 23,550 FT. LONG- PROFILE Aa INTAKE STRUCTURE- _---HIGH WATER LINE *-GATE SHAFT L syndis r | i ) ACCESS STA. 254 + 63 67°. Point of Access Adit Intersection with Tunnel 15-KV TRANSMISSION LINES», ANCHORAGE- PALMER TAILRACE CHANNEL--~ Sy, fe GHZ TUNNEL TAILRACE CONDUIT-~” Note: Taken from "Eklutna Dam, Powerplant and Tunnel, Technical Record of Design and Construction", U.S. Dept. of the Interior, Bureau of Reclamation, March 1958, p.4. Schematic Plan and Profile of Eklutna Project Features | “ -1985 99:58 F.Q2 STONE & WEBSTER ENGINEERING CORPORATION 7677 EAST BERRY AVENUE ENGLEWOOD, COLORADO 80111 - 2137 ADDRESS ALL CORRESPONDENCE TO .0. BOX 5406, DENVER, COLORADO 80217.5406 W.U. TWX: 9109350105 TELEPHONE: 303 741.7700 FAX: 30%741-7670 W.U. TELEX: 45-4401 RCA TELEX: 28925! 303-741-7671 Enarrancoaa, ™ DUEARANTON CA oats. me? somrtane. om FT LAUDERDALE. FL aicemnel es nounton te Susser oan moce: TN WASRINGTON BC. Mr. Moe Aslam September 19, 1995 Chief Engineer Anchorage Municipal Light & Power J.0. No. 05450.07 1200 East First Avenue Ltr. No. SC-0022 Anchorage, AK 99501 WALKTHROUGH INSPECTION PLAN CONSULTING ASSISTANCE - EKLUTNA HYDRO PLANT ANCHORAGE MUNICIPAL LIGET & POWER Thank you for your memo of September 15, 1995 which provided the schedule for our walkthrough inspection of the Ekiutna facilities. Responding to your request, I have noted below the primary areas the Stone & Webster team plans to inspect. I request that arrangements be made for us to visit: : Thunderbird Creek Outlet Powerhouse Dam civil Intake Gate Structure electrical Adit and Watertight Door mechanical Surge Tank Transmission Lines * Surge Tank Gate Structure to Palmer Switchyard at Powerhouse to Anchorage Remote Substations * We request that an MEA individual knowledgeable of the transmission system, with transportation suitable for accessing the system, accompany our engineer. Stone & Webster’s inspection team will consist of Hassan Makarechian, Frank Boston, and me. We look forward to seeing you on Monday, September 25, 1995. “Ps Uh poy Fred R. Harty, Jr. Senior Project Engineer (aay > STONE & WEBSTER - s9ay MUNICIPALITY OF ANCHORAGE Wy MUNICIPAL LIGHT & POWER MEMORANDUM DATE: September 15, 1995 TO: Scott Willis, APA FROM: Moe T. Aslam, ChiefEngineer ECP?) SUBJECT: Eklutna Hydro and Facilities Inspection In reference to Mr. Deihl's/Mr. Linke's letter dated 8/18/95, we, the purchasing utilities would like to schedule the inspection for the week of 9/25/95. I have confirmed the schedule with Jim Hall of MEA, Dan Knecht of CEA and with Stone & Webster (our consultant). We have scheduled a pre-inspection meeting at ML&P for 9:00 am on 9/25/95 to go over the scope of the inspection and to distribute releva.t handouts to the attendees. We expect that the week of 9/25/95 will allow us to inspect all ouside facilities per the purchase agreement and this would be a visual inspection. We would continue to conduct inspections of inside facilities tunnel or other facilities that could not be inspected at this time or items noted that require a more detailed inspection and would request your assistance as needed and appropriate. Please review the purchase agreement and confirm the facilities that are in the scope of the inspection and arrange for means to access these facilities during the week of 9/25. We plan to start our inspection after the pre-inspection meeting on 9/25 at ML&P and suggest the following order of inspection: l. APA Anchorage Sub 2. 115 kV line to the extent possible by roid. Closer inspection by SWEC with MEA/ML&P assistance. 3. Eklutna Hydro Project 4. Palmer & Reed Substations 5 Associated Facilities & Equipment I'll be in contact with you next week to go over the list of assets that are to be inspected and the respective logistics. We will also need an inventory from you of all assets being inspected and later their nameplate ratings, maintenance records and other deliverables in the purchase agreement. xc: Jim Hall, MEA Dan Knecht, CEA Steve Unks, SWEC Tom Stahr, ML&P Hank Nikkels, ML&P Tim McConnel, ML&P FROM ANCH, MUNICPL LT&PWR TO 95618998 PQ \ ye —— Si \ Municipality of Anchorage Municipal Light & Power \ N eis Rick Mystrom, Mayor as Fret Avenue 1¢3, Alaska 99501-1685 ons: (907) 279-7671, Telecopiers: (907) 263-5804, 277-9272 November 28, 1995 Mr. Dennis McCrohan, P.E. Deputy Director - Energy AIDEA/State of Alaska 480 West Tudor Road Anchorage, Alaska 99503 a Dear Mr. McCrohan: We are in receipt of your November 21, 1995 letter in reference to your requested information regarding the Eklutna Hydroelectric project. Please review the following list of Eklutna reports and documents regarding the Eklutna project, and let us know which ones you need: Bureau of Reclamation study, dated March 1993 Alaska Power Administration Eklutne Dam Inspection report, dated September 22, 1992 a 3: Eklutna Site Visit report by Stone and Webster, 1995 4. 22-2 MVA Upgrade recommendation SWEC, 1995 * 5. Stone and Webster Preliminary Inspection Report, 1995 6. Eklutna Upgrade economic evaluation draft by Stone and Webster, 1995 rs Eklutna Purchase Agreement 8. Eklutna Rewind Contract, dated July 1995 9 Divestature legislation 10. Latest (September 9, 1987) Tunnel inspection report by A.P.A. 113 New Turbine Runner specifications dated July 31, 1986 ¥ 12). Purchasing Utilities Inspection memo dated September 15, 1995 13 APA Land Status Letter dated September 28, 1995 These reports are quite voluminous and some of these we only have one copy. Please call me at 263-5222 0 let me know which ones you need copied or if you would like to send Someone over to review them a* ML&P. We are glad to help and share the information. De cect we fale Udi anpeet: ae INQ row - SU2PM = FROM ANCH, MUNICPL LYGPWR =TU YoblByys PUU3/UU3 Page 2 Mr. Dennis McCrohan November 28, 1995 In addition, we are also providing you with a dreft of the Oak Ridge National Lab draft report on SMES technical and economic analysis. Please feel free to call me or Mr. Stahr at 263-5202 with any comments. Sincerely, _— fl T° AEH Moe T. Aslam, P.E. Chief Engineer Enclosure: ORNL Study on: Tom Stahr. ML&P h:\pub\moe-1128.doc