20071986 Ver 2_Triage Comments_20080429

Use this form instead of writing inside the folder
Triage Comment Sheet
DWQ#
Triaged By:
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Reviewer I Date: 'Li
Reviewer 2 / • 1_____ Date: y 6
Reviewer 3 Date:
? Issue Project (Reviewer 1) ? Issue Project (Reviewer 2)
? Issue with conditions (Reviewer 1)
L1 Issue with conditions (Reviewer 2)
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More Information (Reviewer
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SATriage FormsMage Issue Sheet.doe
PLEASE PRINT CLEARLY
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DWQ#;
Date: Who Reviewed: i
Incom ete` for the project.
Plan Detail P
? Please provide a location map/most recent NRCS soil survey map/USGS 1.24,000 topographic map p J
? Please re-submit your site plans on full plan sheets at a scale of no smaller than I"=50'.
? Please provide cross section details showing the provisions for aquatic life passage.
? Please provide the location of any proposed stormwater management practices as required by GC
? Please provide plans and profiles for all the stormwater management, devices as required by GC
? Please indicate all stormwater inlets and outfalls on the site plan.
? Please provide an inventory of proposed project imperviousness area based on the estimated built-out conditions. Please include
all proposed building footprints, roads, driveways, sidewalks, gravel-surfaced areas, amenity areas, etc.
? Please provide building envelopes for all lots with wetlands, streams or buffers (or lots ) on the site plans.
? Please indicate proposed lot layout as an overlay on the site plan.
? Please provide a signed and sealed geotechnical report of subsurface soils at the proposed bottomless culvert location. The
report must comply with the Division of Highways - Guidelines for Drainage Studies and Hydraulic Design, prepared by A.L.
Hankins, Jr., State Hydraulics Engineer - 1999.
? Please locate any planned sewer lines on the site plan.
standard format includes: scientific name, common name,
? Please provide a detailed planting plan for (
source of the plant material, plant spacing, wetland indicator status, etc., as well as planting specifications).
? Please indicate all proposed stream or wetland driveway crossings on your plan sheet (including future proposed).
dissipaters, and bank stabilization on the site plan.
? Please indicate all stream impacts including all fill slopes,
? Please indicate all wetland impacts including fill slopes on the site plan.
? Please enumerate all riparian buffer impacts on the site plan and clearly label impacts (Buffer Impact 1, etc.).
? Please locate all isolated or non-isolated wetlands, streams, and other waters of the State as overlays on the site plan.
? Please locate all of the protected riparian buffers as overlays on the site plan, clearly showing Zone 1 and Zone 2.
Avoidance and Minimization
? The labeled as on the plans does not appear to be necessary. Please eliminate the or provide additional
information as to why it is necessary for this project.
? This Office believes that the labeled on the plans as can be moved or reconfigured to avoid the impacts to the
. Please revise the plans to avoid the impacts.
? This Office believes that the labeled on the plans as can be moved or reconfigured to minimize the impacts to
the . Please revise the plans to minimize the impacts.
Your proposed stream crossing appears to be aligned at approximately o. Please re-configure your proposed stream
crossing to show it aligned approximately perpendicular (between 75° and 10-5°).
Other
? The application fee is insufficient because over 150 feet of stream and/or over 1 acre of wetland impacts were requested. Please
provide $ . This additional fee must be received before your application can be reviewed.
? Please complete Section(s) on the application.
? Please provide a signed copy of the application.
? Please provide an agent authorization letter for the application signature.
? Please indicate which 404 Permit the USACE has authorized for this project.
? Please provide copies of the application, copies of the site plans or other supporting documentation.
? Please resubmit copies of your information on the most current March 2005 Pre-Construction Notification form. You can
download this format the following web address: http://h2o enr state nc us/ncwetlands/regcert.htm]
via email to [e-mail] and provide a CD (TIFF
? Please submit electronic CAD files showing
ainformation nd down strereamquested
Group 4 format (black and white, not grayscale or color)) along with your response to the additional
photos and
? Please provide intermittent/perennial stream determination documentation on the site. (upstream
DWQ stream identification forms).
? Please provide a qualitative indirect and cumulative impact analysis for the project. Please see DWQ's policy for guidance on
our website at: http://h2o.enr.state.nc.us/ncwetlands/documents/InterimInterna]PolicyCumulativelmpact.doc
? For areas in nutrient sensitive waters or buffered river basins fertilizer specifications for stormwater BMPs should state that that
only an initial minimal application of fertilizer to establish the plants shall be used.
? Please indicate whether or not the proposed impacts have already been conducted.
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Mitigation
? of compensatory mitigation is required for this project. Please provide a compensatory
mitigation plan. The plan must conform to the requirements of 15A NCAC 2H .0500 and must be appropriate to the type of
impacts proposed.
? Buffer mitigation is required for all road crossings that impact 150 linear feet of riparian buffer or more. Please submit a
mitigation plan detailing the amount of buffer impact at crossing . and how the impact will be mitigated.
? Please provide documentation from the NCEEP indicating their willingness to accept your request to purchase
(type of mitigation) credit to mitigate for the proposed (type of
mitigation) impacts listed in your PCN application per section VIII, No. 2.
Stormwater
? Please provide BMP Supplement for the proposed on the site plan.
? Please provide BMP Supplements for every proposed BMP on your site. The Supplement forms (including the Required Items
Checklist) can be found at: http://h2o.enr.state.nc.us/sa/bmp forms.htm.
? Please use the most current version of the BMP Supplement available on the DWQ website at
http://h2o.enr.state.nc.us/su1bmp forms.htm. The submitted version is outdated.
? Please redesign your BMP to comply with the 2007 DWQ Stormwater BMP manual (current revisions can be
found at: http://h2o.enr.state.nc.us/su/bmp_forms.htm).
? Please complete all items in Part I of the BMP Supplement form: Project Information.
? Please include all information list in Part Il of the BMP Supplement form: The Required Items Checklist was
not included in your original submittal.
? Please indicate the diffuse flow provision measures on the site plan and submit diffuse flow provision measure supplement forms
(Supplement forms available on the DWQ website at hgp:Hh2o.enr.state.nc.us/su/bmpforms.htm).
? Please provide calculations to show the outlet velocity to ensure that a non-erosive velocity will be achieved for
the 10-year storm. This should include the delineated drainage area, percent imperviousness, peak flow calculations for the 10-
year storm, cross-section, and longitudinal slope.
? The slope from the proposed level spreader(s) lip ( ) to the top of bank of the stream exceeds the maximum
allowable slopes for level spreaders (6% for wooded vegetation and 8% for thick ground cover and grass). If an appropriate area
for level spreader(s) cannot be found then another BMP such as a bioretention area must me proposed.
Notes:
07-19860 Richland Ridge Road Extension
AML Comments
April 29, 2008
Because the Town of Wake Forest has not attended the BMP Certification Class,
the DWQ is no longer their accepting stormwater approvals as meeting the
stormwater requirements of the 401 Certification Program. Therefore:
a. For drainage area number 1, please show the entire drainage area on a plan
sheet with all the existing and proposed impervious surfaces (both on and
off-site). If the proposed percent impervious on this drainage area exceeds
24 percent, then a BMP that meets the requirements laid out in Item 1(b)
below will have to be provided.
b. For drainage area number 2, please provide a BMP that removes a
minimum of 85 percent of TSS and 30 percent of TN. For this BMP,
please provide a completed BMP Supplement Form, with all the required
items. The BMP Supplement Forms are available at the following web
site: http://h2o.enr.state.tic.us/su/bmp fonns.htm.
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