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11. A vertical profile is provided beneath the plan view. The profile is drawn with both <br />horizontal and vertical scales at 1"=100'. Please modify the vertical scale to be 1"=20', and <br />add elevation levels at each VPI. <br />12. The profile view shows only the proposed road surface. Please add an additional line <br />depicting the existing ground surface. <br />13. On the profile view, please incorporate the locations of cross sections B, C, and D; and <br />illustrate the proposed underdrains and culverts at their locations and elevations. <br />14. In the Typical Rock Underdrain section, the geotextile brand name is misspelled. Please <br />revise "Marifi" to read "Mirafi". <br />15. In the current version of the permit, Roads J and K are detailed on separate maps. Once <br />Road J/K has been reconstructed with TR-73, the as-built maps in the permit will need to be <br />updated to show the final configuration (s) of the road. <br />16. A comparison of the existing topography (Exh. 20-D.1) with the Post Mine topography (Exh. <br />20-D.2) reveals that a large embankment is proposed for construction to the NNW of the <br />realigned PM-2 channel. A graphic depiction of this embankment is provided on the <br />attached map, a rough compilation of 20-D.1 contours and features onto the 20-D.2 map. <br />This embankment ranges in height from 10 to 25 feet, and is not discussed in the TR-73 <br />application. No source of fill material is identified. Please review the post mine contours <br />proposed for this location, and revise or clarify as necessary. <br />17. The post mine topography described in Item 16, above, would also appear to require the <br />construction of an additional channel, identified in green on the attached map compilation. <br />This drainage has not been addressed in the application, and the Division observes that <br />directing surface flow toward the Pond 016 slide area would be counter-productive. Please <br />review the surface drainage patterns for this area and modify as necessary. <br />18. On Section A-A', please identify the location where Section B-B' intersects this section (- Sta. <br />2+30) and the locations of the proposed Underdrains. <br />19. On Section B-B', please identify the location where Section A-A' intersects this section (-Sta. <br />2+08). <br />20. A comparison of Section B-B' with the plan view on Sheet 1 reveals that the centerline of <br />Road J/K is located at -Sta. 2+30 on this section. The Proposed Surface on this section <br />shows a continuous surface 60' in length at >8% slope (Sta. 2+20 to 2+80). The location of <br />Road J/K is not identified on this slope. Please modify this section to accurately depict the <br />proposed configuration (template) of Road J/K, including elevation above the graded <br />surface, roadside ditches, etc. <br />21. On Section C-C', comparison with the plan view on Sheet 1 reveals that the centerline of <br />Road J/K is located at -Sta. 3+20 on this section. Please modify this section in accordance <br />with the requirements of Item 20, above.