APPENDIX B: DETAIL DRAWINGS OF SELECTED IMPROVEMENT TECHNIQUES

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1 APPENDIX B: DETAIL DRAWINGS OF SELECTED IMPROVEMENT TECHNIQUES This appendix provides schematic drawings (not to scale) that illustrate the materials, form, and construction of selected improvement techniques. These drawings are not intended to substitute for site-specific engineering design. Site-specific calculations should be completed by a qualified hydrologist, engineer, and/or landscape architect to determine appropriate rock sizing, structure dimensions, etc. for installation in a particular location. In most cases, installation of these types of projects will require relevant State, County, and City permits. It is recommended that the publications, tables, and resources provided in chapter 4 of this document be consulted prior to designing or constructing any of these improvement measures. Particular care should be exercised when construction involves disturbance of areas within the annual high water level of any stream. List of Drawings: Drawing 1. Drawing 2. Drawing 3. Drawing 4. Drawing 5. Drawing 6. Drawing 7. Drawing 8. Drawing 9. Drawing 10. Drawing 11. Drawing 12. Drawing 13. Drawing 14. Drawing 15. Drawing 16. Drawing 17. Drawing 18. Drawing 19. No-mow buffer Vegetated soil lifts with rock toe protection Vegetated modular block retaining wall Vegetated crib retaining wall Vegetated gabion basket retaining wall Slope flattening Storm drain outlet protection using vegetated rock Vegetated rock-lined swale Replacement of narrow-span stream crossing structures Rock-lined tailwater pool (plan view) Rock-lined tailwater pool (cross-section view) Rock step pool Gabion basket retrofit Vortex rock weir A-jacks toe protection Plan view of recommended bank stabilization installation Rock vanes with J-hooks Access steps Stabilized pervious access ramp DEPARTMENT OF PUBLIC UTILITIES B-1

2 Drawing 1. No-mow buffer. DEPARTMENT OF PUBLIC UTILITIES B-2

3 Drawing 2. Vegetated soil lifts with rock toe protection. DEPARTMENT OF PUBLIC UTILITIES B-3

4 Drawing 3. Vegetated modular block retaining wall. DEPARTMENT OF PUBLIC UTILITIES B-4

5 Drawing 4. Vegetated crib retaining wall. DEPARTMENT OF PUBLIC UTILITIES B-5

6 Drawing 5. Vegetated gabion basket retaining wall. DEPARTMENT OF PUBLIC UTILITIES B-6

7 Drawing 6. Slope flattening. DEPARTMENT OF PUBLIC UTILITIES B-7

8 Drawing 7. Storm drain outlet protection using vegetated rock. DEPARTMENT OF PUBLIC UTILITIES B-8

9 Drawing 8. Vegetated rock-lined swale. DEPARTMENT OF PUBLIC UTILITIES B-9

10 Drawing 9. Replacement of narrow-span stream crossing structures. DEPARTMENT OF PUBLIC UTILITIES B-10

11 Drawing 10. Rock-lined tailwater pool (plan view). DEPARTMENT OF PUBLIC UTILITIES B-11

12 Drawing 11. Rock-lined tailwater pool (cross-section view). DEPARTMENT OF PUBLIC UTILITIES B-12

13 Drawing 12. Rock step pool. DEPARTMENT OF PUBLIC UTILITIES B-13

14 Drawing 13. Gabion basket retrofit. DEPARTMENT OF PUBLIC UTILITIES B-14

15 Drawing 14. Vortex rock weir. DEPARTMENT OF PUBLIC UTILITIES B-15

16 Drawing 15. A-jacks toe protection. DEPARTMENT OF PUBLIC UTILITIES B-16

17 Drawing 16. Plan view of recommended bank stabilization installation. DEPARTMENT OF PUBLIC UTILITIES B-17

18 Drawing 17. Rock vanes with J-hooks. DEPARTMENT OF PUBLIC UTILITIES B-18

19 Drawing 18. Access steps. DEPARTMENT OF PUBLIC UTILITIES B-19

20 Drawing 19. Stabilized pervious access ramp. DEPARTMENT OF PUBLIC UTILITIES B-20