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HomeMy WebLinkAboutWPO201500040 Checklist WPO VSMP 2014-02-17 Albemarle County Engineering Mitigation Plan checklist for plan reviewers 17 Feb 2014 (Use the latest checklist from the Team Services engineering forms site) A mitigation plan is a document required by County Code Chapter 17,the Water Protection Ordinance which illustrates stream buffer disturbance and the measures proposed to alleviate or compensate for it. Reference key; [Square Brackets] are County Code references, {Curved Brackets} are policy references,and(regular parenthesis)are explanatory. Links to reference documents are provided where possible. Title information: (applicable to any type of plan) 1/ Project title. Titles should be appropriate. It should be a mitigation plan,not a stormwater plan, or erosion control plan, etc. Neal +0 5;1� 17- Professional seal, with original signature and date for professionally prepared plans .5E14 L Content: Mitigation Plan (per the Water Protection Ordinance) Existing conditions plan view information: (applicable to any type of plan) ✓ existing topography(as shown on other final plans in process if applicable) X WPO buffer limits; 100' from stream or wetland bank, 200' from reservoirs, or floodplain limit if greater [17-317] ✓ floodplain limits, including 100yr flood limits for any channel with a drainage area of 50+acres [18-32.6.2d, 18-30.3] ✓ all existing easements (access, drainage, sight, sanitary easements, etc.)with deed book references, locations and dimensions [18-32.6.2] X all critical slopes (typically shaded) [18-32.5.2] Proposed plan view information: (applicable to final site plans, road and drainage plans) NIA proposed topography(as shown on other final plans in process if applicable) N)(o all proposed permanent easements, dimensioned and labeled. On a mitigation plans these would typically be; conservation easements any permanent easements proposed on other final plans. Disturbances: outlined and/or shaded areas of buffer disturbance, with acreages labeled,matching the disturbances shown on the erosion control plan and other final plans. Mitigation: ''z outlined and/or shaded areas of mitigatio with acreage labele f,►/R for plantings,mitigation area is equal to dou e x)the disturbed area ' for channel restoration, 1' of restored channel for every 100sf of disturbed buffer. stations at every 50' min. with existing and proposed cross-sections provided for restoration planting plan for mitigation areas per Riparian Buffers Guidance Manual by CBLAD or the latest policy available from the Design Manual detail provided for typical spacing(i.e. 20'x20'detail with placement). native plants used with species, size,planting condition condition specified 'two Albemarle County Engineering Mitigation Plan Checklist Page 2 of 2 x_ maintenance narrative and schedule on plan,including a completion date. fvf0, areas restored or replanted for mitigation must be protected in easements or by maintenance agreements if they are not in a buffer. (This is a rarity, as all planting should be /buffer restoration or reclamation. Noted exceptions are TJSWCD easement areas.) �/ all concentrated discharges treated or extended to adequate channels to preserve buffers.