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Canada Cheakamus River 2004 Mykiss Channel Project

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Canada Cheakamus River 2004 Mykiss Channel Project Cheakamus River 2004 Mykiss Channel Project (04.Ch.01) Mykiss Channel October 2003 Canada Government of Canada North Vancouver Fisheries and Oceans Outdoor School Cheakamus River 2004 Mykiss Channel Project Final Report Submitted by: NorthVancouver Outdoor School School District #44 Prepared by: Carl Halvorson with financial support of the BC Hydro Bridge Coastal Fish and Wildlife Restoration Program Table of Contents Executive Summary 1. Introduction 2. Study Area 3. Methods 4. Results 5. Acknowledgements Appendices A. Financial Statements B. BCRP Recognition C. Restoration Details (maps / photos / drawings) 1. Site Locater 2. NVOS Site Map 3. Channel Overview Drawing 4. Reach Drawings 5. Photo Pages 1 - 4 6. Far Point intake site map D. Additional Information Executive Summary This project involved restructuring of the Far Point dike and intake structure and construction of a 400m side channel at North Vancouver Outdoor School. Approximately 80m of dike was reconstructed and the existing 2- 2ft intake pipes replaced with a single 3 ft pipe, headwall and valve assemblies. A 400m river fed side channel was constructed, providing 3840 m2 of new habitat. This project was link to other ongoing initiatives funded by various partnership groups including the School Protection Program, the Provincial Emergency Program, District of Squamish, School District #44 and the concurrent BCRP project 04.Ch.3 (Cheakamus River October 2003 Flood Restoration). Introduction The North Vancouver Outdoor School (NVOS) has worked with the Department of Fisheries and Oceans Canada (DFO) and various funding partners to develop salmon habitat restoration projects on school property over the last two decades. These projects have been directed at improving spawning and rearing habitats for coho, chum, chinook and pink salmon. NVOS has operated a teaching hatchery that has produced chum, chinook and coho fry for over two decades. This project is directed at providing additional important spawning and rearing habitats, primarily for chinook and pink salmon and steelhead. Study Area The restoration site is located off the right bank of the Cheakamus River approximately 500m upstream of the Paradise Valley Road Bailey Bridge on property owned by the North Vancouver Outdoor School, School District 44 (North Vancouver). The site is designated as District Lots 1245 within the New Westminster Land District. Maps covering the site are Natural Resources Canada National Topographic System 92G/14 and Base-mapping and Geomatic Services British Columbia Terrain Resources Information Management 92G.085. The site lies roughly between GBS coordinates: (Far Point intake structure): N 49°˚ 49. 844' W123°˚ 09. 396' and (the Mykiss Channel exit): N 49˚° 49. 687' W123°˚ 08. 238' Methods Approx. 2080 m3 of rock was excavated from the Farpoint intake site and placed on the reconstructed dike nearby. Appox, 2200 m3 of engineered fill, supplied by the District of Squamish, was placed and compacted during reconstruction of this dike. (Material supplied by the District of Squamish replaced materials borrowed from NVOS to make emergency repairs to Paradise Valley Road - immediately following the October 2003 flood) Excavation was done with Cat 225, 235 and 320 excavators and Cat 966 loaders. Material was moved around site by a variety of standard dump trucks and a D250 Cat truck. LWDs were placed using a Cat 320 excavator and transported with standard dump trucks and a D250 Cat truck. LWDs were supplied by NVOS. NVOS partnered with Fisheries and Oceans Canada during all phases of the design and development of these restoration works. Results The Farpoint intake dike was upgraded to Ministry standards with the addition of 2000 m3 of rock excavated during construction of the new intake outflow channel and pond. The new intake pipe and valve assemblies provide significantly greater flows than the structures they replaced. Prior to completion of this project, significant portions of the Far Point Channel system dried up during periods of low flow due to the insufficient water supply. When the new intake system went on line, it was necessary to raise some stream side trails because of minor flooding because of the augmented flows. The Mykiss Channel was constructed utilizing existing relic channels and floodways. Construction resulted in the creation of 400m of new channel, providing 2760 m2 of prime spawning and rearing habitat, 580 m2 of wood filled “refuge” pockets and 500 m2 of connected sidepond habitat. Two log jams were constructed to divert flood flows and debris away from the new habitats. 5: Acknowledgements This project would not have been possible without the financial support of BC Hydro Bridge Coastal Fish and Wildlife Restoration Program and the technical and supervisory support of Fisheries and Oceans Canada, Pacific Region Habitat and Enhancement Branch, particularly Matt Foy, Harold Beardmore, and Sam Gidora. Excavation contracting was provided by John Hunter Ltd. This project would not have been completed without the dedicated service of Rick and John Hunter. Mykiss Channel’s final form and success is the result of the sensitive construction expertise of John Hunter. Rock, additional gravels and LWDs were supplied on site by North Vancouver Outdoor School. Valve assemblies were paid for with contributions from Greg Miller and the Ministry of Environment, Lands and Parks (MELP) Log jam cabling was completed by Cory Hryhorczuk and the Greater Georgia Basin Steelhead Recovery Plan (GGBSRP) www.steelheadrecoveryplan.ca Letters of support were provided for the initial grant application by: Randall Lewis Squamish Nation; Harold Beardmore P.Eng. Fisheries and Oceans; Edith Tobe, for the Squamish River Watershed; Steve Rochetta BC WLAP Habitat Officer for Squamish; Diane Schartner, for the Pacific Foundation for Understanding Nature. Appendix A: Financial Statement - Expenditures Cost Item Description Unit cost Construction - equipment Cat 235, 325 excavator 15,739.70 Invoice #231 966 loader, dump trucks Construction - equipment Cat 235, 325 excavator 37,011.30 Invoice #254 966 loader, dump trucks Construction - equipment Bobcat excavator 770.40 Headwall Precast concrete headwall 2,906.65 Pipe Intake pipe 12,025.95 Concrete Piping barrier 1,724.90 Fabrication Intake pipe 9,850.28 Diver Installation of intake pipe 1,500.00 Lumber Shoring / temporary structures 135.93 Total: 81,664.61 less GST rebate claimed: (122.33) NVOS Invoice # 3801 October 25, 2004 81,542.28 Construction - equipment Cat 320, 330 excavator 5141.35 Invoice #360 966 loader, dump trucks NVOS Invoice # 3804 March 30, 2005 5141.35 Invoice Totals: 86,683.63 Grant Total: 87,250.00 (566.37)surplus Appendix A: Financial Statement - Contributions In-Kind Contributions Supplied by: Unit Value: Total: Senior Biologist DFO 10 days @ $700 7,000.00 Senior Engineer DFO 5 days @ $700 3,500.00 Design NVOS 5 days @ $500 2,500.00 Layout DFO / NVOS 4 days @ $500 2,000.00 Construction support / supervision DFO 50 days @ $450 22,500.00 Construction support /supervision NVOS 20 days @ $300 6,000.00 Labour: Landscaping / seeding DFO 1 days @ $300 300.00 Rip Rap Rock NVOS 5,000.00 Cobble Rock NVOS 5,000.00 Large Woody Debris NVOS 10,000.00 Labour: Accounting, copies, reports etc. NVOS 6 days @ $300 1,800.00 Valve Assemblies MELP 10,000.00 Digital imaging DFO / NVOS 200.00 Groundcover seed (inc. freight) DFO 200.00 LWD cabling GGBSRP 1800.00 Total In-Kind Contributions $77,800.00 •Appendix B: Recognition of BC Hydro Bridge Coastal Fish and Wildlife Restoration Program • All publicity activities will be made in the name of the "BC Hydro Bridge Coastal Fish and Wildlife Restoration Program. • Information regarding the project will be communicated to members of the Squamish River Watershed Society which include most of the groups in the area that are interested in fish and wildlife issues. • The North Vancouver Outdoor School produces a school newsletter, which goes out to a wide audience of staff, students, alumni and partners. This project has been included in that newsletter. Appendix C: Construction Details / Images (see attached files) • Site location map • NVOS site plan • Mykiss Channel construction drawings • Photo pages • Far Point intake site plan Appendix D: Additional Information • letter from Diking Authority Howe Sou nd k k e e e r r e ive r R C sh P C mi ilchu h k t y ua C u e q re o n S e o k t m n S o M WSC GAUGE 08GA043 us River akam Squamish Che C u l l i t C o h n r eekye River e C v i r e R M e a k m s a h i t u e q r C m r e a e k Map Key: M Squamish Watershed Cheakamus River - Mykiss Channel Project: 2004 (04.Ch.1) Cheakamus River Habitats Off - channel Habitats River Bars (from flood plain mapping) BC Hydro transmission corridor BC Hydro transmission tower Squamish Valley Road Farpoint Intake • Mykiss Channel Site • North Vancouver Outdoor School Cheekye River Paradise Valley Road BM 77HA915 EL55.411 N 49˚49.844' W123˚09.396' CN Railway Water Elev. Gauge: WSG 08GA043 N 49˚49.596' W123˚09.121' 10U 0489065 CHEAKAMUS RIVER: UTM 5519143 Cheekye River confluence - Swift Creek confluence Midnight Way Tenderfoot Creek Hatchery Cheakamus River -Mykiss Channel Project / 04.Ch.1 / Final Report / Site Locator Tenderfoot Hatchery Far Point Intake M y k N is N 49˚49.844' W s o H u a n b t i W123˚09.396' i t e a t W W e C h E s t a n n e l Mykiss s S Channel B CR S pa wn ing Ch F ann ar el Po int Ha bitat Dave's Channels Ponds N 49˚49.687' W123˚09.238' Wountie East d a l o e n l l R n e e a n n h y n n a a e C l h l h
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