addenbury_NCDOT_letterDEP1fi~EI~IT ~F TSP®~i~'~T'I®N
M[CHAEL F. EASLEY l~i~ls~o;~ o~ ~tc~wAYS LYNDO TIPPETT
GOVER3~iOR
Tripp Engineering, P.C.
q.~9 Chestnut Street
Wilmington, NC 284oi
Attn: Jennifer Rohde
December 17, 2004
SRCRETARY
5ubjeet:Revised Preliminary Plan Approval -- Glennburn @ Addenbury Subdivision
New Hanover County
Dear Ms. Rohde:
This office has completed its review of the subject plans for compliance with current Department
of Transportation minimum subdivision construction standards and advises that they are hereby
approved as submitted. Once the plat is recorded, four copies must be submitted to this office.
'1"h~ dins not ~rflstit~ate ~ppval iEor a driveway mess poa~t. A driveway permit is to .
be submitted and approved prior to any construction.
It is the responsibility of the owner/developer to provide verification certifying that the
subdivision was constructed in accordance with the approved preliminary plan. A certified report
signed 6y a professional engineer is required (see attached form}. If testing results satisfy
requirements, a letter of approval, uBasic Letter", will be issued; if not, requirements for
compliance will be given.
In accordance with General Statute iS6-~o2.2, the North Carolina Department of Transportation
does not add roads to its system unless certain requirements are met. An explanation of these
requirements can be found on pages Yg,~4 and ~~ of the current (Jan. 2000) NCDGT Subdivision
Roads Manual. Particular attention should be placed on items 2 (petition for addition}, 4
(requirement for encraaehment agreements},band 7 (occupied housing requirement}, ir, 12 and
i~. Please be aware that only North Carolina Department of Transportation approved materials
are to be used on public rights-of- way. Since Chas is the cal#ianate responsibility of the
owa~er/dewetoper, vve are placing flee responsibility on yon t0 assure than they are
provided a copy of than letter and the above-referenced d0ccaz~aez~ts such that they
ffiay be fly i~f®r~d.
Wilming#on District Engineer's Office
304 Division Drive, Wilmington, NC 28401
Telephone (910) 251-26SS; Fax (9i0} 251-2759
Page # 2
Revised Preliminary Plan Approval
Additional Notes:
® All work and materials shall be in accordance with the current edition of the following; the
Subdivision Roads Manual, the NCDQT Standard S ecifications far Roads and Structures, the
NCDC7T Roadwav Standard Drawings, and the Manual of Uniform Traffic Control Devices
(MUTCD).
® The use o£ double walled corrugated polyethylene pipe will be accepted only if installed with a
minimum cover of z2 inches cover for paved drives and 18 inches cover for unpaved drives.
The approval is limited to the use of pipe which meets AASHTO M 2gq. TYPE "S"
specifications. Under no circumstances will the single walled ('T`ype "C") pipe be allowed for
driveways or storm drainage applications.
® No ridged type structures or any obstructions (including, but not limited to brick mailboxes
or headwalls, etc.) shall be permitted on the Right o£ Way. Refer to page 34 of the
Subdivision Roads Minimum Construction Standards for further explanations.
® Slope and Drainage requirements for driveway pipe installations {see attached)
® Wheelchair Ramps and/or wheelchair ramp cuxb cuts shall be constructed per NCDCT
standards
® All asphalt shall meet the requirements of the "Quality Management System far Asphalt
Pavements, Maintenance Version" (available upon request)
® T?ocumentation provided shall include the following:
• Standard in-place sail compaction test results at aooo LF intervals with a minimum ~
test per road
+ Standard in-place aggregate base course compaction test results at rooo LF intervals
with a minimum x test per road
Pavement cores verifying asphalt thickness taken every goo LF with a minimum of 3
cores per road (~ core in the center of each travel lane and ~. core at the crown point)
Pavement core location map with measured thickness results
® Completion of QMS forms (QMS-MVz and QMS-MV2) are required (see attached)
Asphalt pavement density testing results per Form QMS-MV2
® PE CertifZCation Form
'~' pre ' my Ala approval does ~.®t c®nstit~te ae~ptance ®~ this six i®~
~r~to the state road systeza~. Upon receiving a petition for addition, an inspection will be
scheduled. At that time, we will evaluate the maintenance condition of the subdivision, including
drainage, and submit to you in writing approval or any deficiencies that must be addressed.
If X can be of any further assistance, you may reach meat (gio) 251-2655-
Sincerely,
D. R Cumbo, F.E.
District Engineer
DRC/jpp
cc: Anthony Law, New Hanover County Maintenance Engineer
New Hanover County Planning Department
Wilmington District Engineer's Olhce
300 Division Drive, Wilmington, NC 2&10!
Telephone (9! 0) 251-2655; Fax (9! 0) 251-2759