Attachment_C_Mile_5.5_Erosion_Control_Maps_and_Photos.pdf
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- Solicitation number
- 140P8319Q0078
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Attachment C Mile 5.5 Erosion Control Maps and Photos
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140P8319Q0078: Stehekin Road Mile 4, 5.5 and 8 Erosion and Drainage Improvements Attachment C: Mile 5.5 Erosion Control Maps and Photos
North Cascades NPS Complex maps.google.com
Stehekin vicinity map
Stehekin maps.google.com
Mile 5.5 Erosion Control Location and Pictures
The road section for the two rock bars are located in Stehekin, Washington, at the north end of Lake Chelan. The site is remote, and there is no road access to Stehekin, though there are roads within Stehekin Valley. The location of mile 5.5 erosion control and bank stabilization is located
5.5 miles from Stehekin landing along Stehekin Road and about 1 mile after passing Harlequin Bridge. Note that the work is along Stehekin road and not across Harlequin Bridge.
Figure 1: Overhead View of Erosion Site Location.
140P8319Q00##: Stehekin Road Mile 9.2 Culvert Installation and Drainage Improvements
Figure 2: Erosion Site for Rock Barb
Figure 3: Erosion Site for Rock Bar Closer View
Figure 4: Erosion Site for Rock bar Upstream View
Figure 4: Cross Section Detail Existing Conditions
Figure 5: Cross Section Detail Proposed Treatment
Figure 6: Overhead View of Desired Result
Figure 7: Rock Bar Specifications
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