#6301 4/16/2018 Pacific Habitat Services, Inc. 9450 SW Commerce Circle, Suite 180 Wilsonville, OR 97070 Project Site General Location and Topography Reed Pit Expansion - Marion County, Oregon United States Geological Survey (USGS), Gervais, Oregon, 7.5 Quadrangle, 2017 United States Geological Survey (USGS), Mission Bottom, Oregon, 7.5 Quadrangle, 2017 (viewer/nationalmap.gov/basic) 1 NWP-2018-370 1 of 10 Enclosure
#6301 4/16/2018 Pacific Habitat Services, Inc. 9450 SW Commerce Circle, Suite 180 Wilsonville, OR 97070 Project Site Tax Lot Map Reed Pit Expansion - Marion County, Oregon The Oregon Map (ormap.net) 2 NWP-2018-370 2 of 10 Enclosure
#6301 4/16/2018 Pacific Habitat Services, Inc. 9450 SW Commerce Circle, Suite 180 Wilsonville, OR 97070 Project Site Aerial Photo Reed Pit Expansion - Marion County, Oregon GoogleEarth, 2018 3 NWP-2018-370 3 of 10 Enclosure
Continues Beyond Wetland D (1.32 ac) Continues Beyond (4.85 ac) Farm Access Road Wetland H (0.01 ac) Wetland I (0.03 ac) Wetland G (0.01 ac) Wetland F (0.003 ac) Existing Quarry Pond (30.11 ac) Wetland E (0.01 ac) Wetland B (0.59 ac) Wetland C (0.94 ac) Continues Beyond Continues Beyond LEGEND (72.44 ac) Wetland (Site Total 7.70 ac) Topographic contours provided by Eagle Digital Imaging. Contour interval is 2 feet. Bathymetric contours provided by Northwest Hydro Inc. Bathymetric contour interval is 10 feet. Potentially Non-Jurisdictional Areas (0.06 ac) Existing Quarry Pond (30.11 ac) Existing Conditions 4 5-14-2018 Phone: (503) 570-0800 Fax (503) 570-0855 X:\Project Directories\6300\6301 Reed Pit Expansion\AutoCAD\Plot Dwg\JPA Figures\Fig4 ExistCond.dwg, 6/28/2018 1:46:34 PM, DWG To PDF.pc3 NWP-2018-370 4 of 10 Enclosure
Proposed Temporary Diversion Discharge Point Proposed Silt Fence Wetland D Permanent Impact / Removal (4.31 ac/ 1,200,000 cy) A Proposed Silt Fence Construction Access and Staging A' Proposed Farm Access Road Wetland H Proposed Mitigation Area See Figure 6 Wetland I Excavation Area Wetland G SEE 5B Wetland F Existing Quarry Pond Wetland E Proposed Silt Fence Wetland B Permanent Impact / Fill (0.18 ac / 900cy) Proposed SEE 5A Temporary Diversion Pipe Follows Center of Road Wetland C Proposed Farm Access Road NOTE: For Cross Section A-A' See Figure 5C. LEGEND (72.44 ac) Wetland (Site Total 7.70 ac) Potentially Non-Jurisdictional Areas (0.06 ac) Wetland Impact Site Total (4.60 ac) Topographic contours provided by Eagle Digital Imaging. Contour interval is 2 feet. Bathymetric contours provided by Northwest Hydro Inc. Bathymetric contour interval is 10 feet. Existing Quarry Pond (30.11 ac) Site Plan Overview and Sheet Index 5 6-13-2018 Phone: (503) 570-0800 Fax (503) 570-0855 X:\Project Directories\6300\6301 Reed Pit Expansion\AutoCAD\Plot Dwg\JPA Figures\Fig5 SitePlan OV.dwg, 6/28/2018 3:19:14 PM, DWG To PDF.pc3 NWP-2018-370 5 of 10 Enclosure
Existing Quarry Pond Excavation Area Proposed Limit of Excavation Proposed Sediment Fence Proposed Temporary Diversion Dam (Temporary Impact 0.01 ac/ 85 cy fill) Proposed Farm Access Road Proposed Temporary Diversion Pipe (Impact 0.10 ac/ 850 cy fill) Proposed Limit of Fill for 2:1 Side Slopes Proposed Sediment Fence LEGEND Proposed Two 12-inch Culverts Wetland Wetland Impact Topographic contours provided by Eagle Digital Imaging. Contour interval is 2 feet. Bathymetric contours provided by Northwest Hydro Inc. Bathymetric contour interval is 10 feet. Phone: (503) 570-0800 Fax (503) 570-0855 Wetland Impact and Stream Diversion Detail 5A 5-14-2018 X:\Project Directories\6300\6301 Reed Pit Expansion\AutoCAD\Plot Dwg\JPA Figures\Fig5A StreamDivers.dwg, 6/28/2018 1:56:21 PM, DWG To PDF.pc3 NWP-2018-370 6 of 10 Enclosure
Wetland B (Impact 0.18 ac/ 900 cy fill) Proposed Farm Access Road Existing Quarry Pond LEGEND Wetland Wetland Impact Topographic contours provided by Eagle Digital Imaging. Contour interval is 2 feet. Bathymetric contours provided by Northwest Hydro Inc. Bathymetric contour interval is 10 feet. Phone: (503) 570-0800 Fax (503) 570-0855 Wetland Impact Detail 5B 5-14-2018 X:\Project Directories\6300\6301 Reed Pit Expansion\AutoCAD\Plot Dwg\JPA Figures\Fig5B SitePlan.dwg, 6/28/2018 1:57:21 PM, DWG To PDF.pc3 NWP-2018-370 7 of 10 Enclosure
NWP-2018-370 8 of 10 Enclosure Water Proposed to Mine Previously Mined Previously Mined Fill Temporary Drainage Diversion Pipe Limit of Mine Excavation Wetlands Overburden Water Gravel in this area will not be removed Gravel to be removed Cross Section A-A' Not to Scale Phone: (503) 570-0800 Fax (503) 570-0855 Typical Quarry Excavation Detail 5C 5-14-2018
LEGEND Existing Wetland Proposed Wetland Creation (7.08 ac) Proposed Upland Buffer (1.73 ac) Habitat Structures Direction of Flow Wetland D B B' Existing Quarry Pond NOTES: See Figure 6A for Mitigation Section B-B' See Figure 6B for Mitigation Plant List See Figure 6C For Habitat Structure Details Wetland B Wetland C Phone: (503) 570-0800 Fax (503) 570-0855 Wetland Mitigation Plan 6 6-13-2018 X:\Project Directories\6300\6301 Reed Pit Expansion\AutoCAD\Plot Dwg\JPA Figures\Fig6 MitPlan.dwg, 8/16/2018 9:30:02 AM, DWG To PDF.pc3 NWP-2018-370 9 of 10 Enclosure
NWP-2018-370 10 of 10 Enclosure Proposed Wetland Mitigation Area 120 110 100 90 80 70 60 50 40 3:1 Match Existing Grade at Elevation 122' Water Surface (Elevation = 105') Existing Grade Proposed Wetland Surface Elevation = 105' Wetland Mitigation Cross Section B-B' Wetland Mitigation Cross-Section B-B' Phone: (503) 570-0800 Fax (503) 570-0855 X:\Project Directories\6300\6301 Reed Pit Expansion\AutoCAD\Plot Dwg\JPA Figures\Fig6A Mitigation-Xsect.dwg, 6/21/2018 11:42:12 AM, DWG To PDF.pc3 130 120 110 100 90 80 70 60 50 40 6A 6-13-2018