Commercial Erosion and Sediment Control Plan Narrative

Checklist

 

 

 

 

_____             Minimum Standards—all applicable minimum standards shall be addressed and adhered to throughout the entire life of the project

 

_____           Project Description—brief description of the nature and purpose of the land disturbing activity and the amount of disturbed acreage

 

q       Construction sequence/phasing

q       Length of construction

q       How much post-developed impervious area?

q       Ultimate development conditions of the site?

 

_____           Existing Site Conditions—brief description of the existing topography, vegetation and drainage

 

q       Orientation and gradient of slopes

q       Existing site conditions/vegetation/undisturbed areas to be used for erosion control

q       Size of drainage areas (pre- and post-)

q       Existing drainage or erosion problems

 

_____           Adjacent Areas—brief description of adjacent areas that may be affected by the land disturbance

 

q       Where is the potential for off-site damage?

q       All environmentally sensitive areas (wetlands, streams, reservoirs, etc.) should be addressed

q       Residential areas or road protection

q       Perimeter controls

 

_____           Off-site areas—brief description of all land disturbing

activities that will occur off-site

 

q       All off-site borrow or fill/spoil areas shall be included

q       Specific locations of all off-site areas

q       Protection and controls on those areas

q       If temporary, how long will they be open?

q       Stabilization of off-site areas

 

_____           Soils—brief description of the soils, including name, mapping unit, erodibility and permeability

 

q       References for soils information

q       Copy of the soil survey map

q       Removal of nutrient layer of topsoil?

 

_____           Critical Areas—brief description of areas that have a high erosion potential

 

q       Any steep slopes, wet weather or intermittent streams and springs, etc.?

q       What areas, during construction, could become critical areas?

q       How will these areas be delineated to on-site contractors?

 

 

_____           Erosion and Sediment Control Measures—description of the methods used to control erosion and sediment deposition on-site

 

q       Controls should be in accordance with Chapter 3 of the ESC Handbook, with specification numbers and locations

q       Sequence and responsibility for installation, maintenance and removal

q       Any areas to be temporarily stabilized?

 

_____           Permanent Stabilization—brief description of final site stabilization

 

q       Is phasing of construction consistent with the Bedford County seeding requirements?

q       Should a soil test be required?

q       Seed specifications (pure live seed), lime and fertilizer application specifications and rates should be included

q       Other stabilization (gravel, pavement, natural areas, etc.)

 

_____           Stormwater Runoff Considerations—description of changes in stormwater flows, drainage areas and strategy to control increased runoff

 

q       Does development cause an increase in stormwater flows?

q       Downstream property and waterway protection

q       Stormwater management during construction

q       Will permanent facilities be required to reduce post-developed flows?  Who will operate/maintain these facilities?

q       Address post-development stormwater quality

 

_____           Stormwater Calculations—detailed calculations for design of all conveyance channels and pipe systems, temporary structures and permanent facilities

 

q       Detention/retention facilities designed for 25-year storm at 24-hour duration and released at the pre-developed rate

q       All calculations and methods, worksheets, assumptions and engineering decisions should be clearly presented

q       All channels/pipe systems must be adequate, including downstream and off-site channels

q       Responsible parties for maintenance of facilities during construction and schedule of inspections

 

 

 

 

Commercial Erosion and Sediment Control Site Plans

Checklist

 

                                   

 

_____        Owner Information—owner’s name, address, telephone number,

and tax map number

 

______          Vicinity Map—map locating the site in relation to the surrounding area, including any landmarks that may assist in locating the site and indication of north in relation to the site

 

______          Limits of Clearing and Grading—indicate all areas that are to be disturbed (ie: cleared, grubbed, graded, cut, filled, etc.)

 

q       Provide information as to how the disturbed area will be marked, as well as areas that are to be left undisturbed

 

______          Existing Contours—indicate the existing contours on-site

 

q       Show as dashed lines at appropriate intervals

q       Should represent pre-development drainage areas

q       Include all cut/fill areas and low spots

 

______          Final Contours—indicate all changes to existing contours

 

q       Include determination of final drainage areas

q       Have pre-developed drainage areas increased?

q       Include final grade on slopes—are they critical?

q       Include vegetative specifications for final grade on slopes

 

______          Existing Vegetation—indicate existing tree lines, grassed or underbrush areas

 

q       Clearly indicate existing tree lines and areas that are to remain undisturbed

q       All properties zoned Corridor Overlay with frontage on any primary road must abide by the Bedford County Zoning Ordinance Section 30-77-5(F)(2)(b)(1) with respect to tree removal

 

______          Soils—indicate boundaries of soil types and soil survey classifications

 

______          Existing and Proposed Drainage Areas—indicate all divides and direction of flow for each area

 

q       Include size (in acreage) of each area

q       Indicate all traps, basins or other structural measures


 

______          Critical Erosion Areas—indicate areas with a high erosion potential

 

q       Should be delineated and labeled as critical

q       Provide information pertaining to marking areas on-site

q       Indicate all work within a stream and measures for protection

 

______          Site Development—indicate all site improvements (ie: buildings, parking lots, roads, entrances, utilities, etc.)

 

q       Show improvements based on ultimate development of the site

q       Indicate rights-of-way, easements, and temporary access

 

______          Location of ESC Practices—indicate the location of all erosion and sediment controls and stormwater management practices 

                  

q       Use standard symbols located in Chapter 3 of the VESC Handbook

q       Note any additional practices utilized if not specified in the VESC Handbook; provide notes as to specification and reason

q       Provide a legend of practices denoting symbols used

 

______          Off-site Areas—indicate all off-site areas that will be disturbed

 

q       Provide exact location of off-site areas with appropriate controls, sequence of work and responsible parties for work

 

______          Detail Drawings—provide detail specifications for all practices within the boundaries of the project

                  

q       Provide clear details for each control measure with VESCH specification number

q       Alternative measures should have proper drawings

q       Include all elevations, cross sections and schematics

q       Include all sizes and materials for pipes, flumes, channels and slope drains

 

______          Maintenance—provide a schedule of inspections and repair of erosion and sediment control structures

 

q       Indicate party responsible for maintenance and repair of all ESC measures and structures and contact information

q       Provide clean-out and maintenance specifications for all traps, basins, perimeter controls, etc.

q       Provide a schedule for removal of ESC controls once project is fully stabilized

 

______          Design Summary Tables—provide design criteria for all stormwater              conveyance structures and systems in tabular format

 

______          Erosion and Sediment Control Cost Estimate—provide a cost list and total estimate of all erosion control, sediment control and stormwater management practices and measures