Current through Register Vol. 28, No. 3, September 1, 2024
This section applies to the requirements for commercial
entrances, as well as private subdivision entrances onto State-maintained
roadways.
Any project submitted to DelDOT for review must contain
all elements listed in this section and in accordance with the Gatekeeping
Checklist, available on DelDOT's website at
http://devcoord.deldot.gov >
Checklists. When a project is submitted for review, the submission will be
checked to ensure that all required elements are on the plan and all necessary
documents are included. If any elements are not relevant to the particular site
then these elements shall be specified in the submittal letter or on the
checklist. Incomplete submissions will be returned to the engineer for
resubmission with no comments provided by DelDOT.
4.4.1
Commercial Entrance Plan
Submittal Requirements - General Guidelines
The following items are required by DelDOT for Commercial
Entrance Plan submittals:
A. The plan
sheet size shall be 24" x 36". Plan sheets of other sizes shall be returned
without review.
B. Drafting work
shall be neat, legible and reflect locations of existing and proposed features
based on actual field surveys. All text height shall be 0.1 times the scale of
the plan sheet. All text shall be legible when plans are produced at half
size.
C. Entrance plans shall be
drawn to a scale of 1" = 30' (1" = 20' acceptable). Location map showing the
relationship of the site to existing State-maintained roadways. The location
map shall be drawn to a scale of no less than 1 inch = 1 mile.
D. Drainage report which will include
calculations for: total drainage area, total impervious area, peak discharge,
open and closed drainage systems, drainage spread on roadways, stormwater
management, outfalls, etc.
4.4.2
Commercial Entrance Plan
Submittal Requirements - Title Sheet
Title sheets shall include the following:
A. A title block containing:
1. DelDOT project ID number (provided by
DelDOT)
2. Name of proposed
business
3. Name of nearest town or
city with name of applicable hundred or county
4. Road name and maintenance number of
roadway being accessed
5. Scaled
drawing of the project
6. Date
and/or revised date
7. Name,
address and telephone number of engineer or surveyor preparing plan
8. Seal of engineer or surveyor (Delaware
license required)
B. A
data block containing:
1. Type of
business
2. Gross acreage of
property
3. Gross leasable floor
area
4. Parking spaces
required
5. Parking spaces
provided
6. Local government
responsible for land use approval
7. General location map
8. North arrow
9. General Notes
(http://devcoord.deldot.gov
> Quick Links > DelDOT Notes)
10. Sheet index with total sheet
count
11. Legend for existing and
proposed features (symbols, line types, etc)
4.4.3
Commercial Entrance Plan
Submittal Requirements - Entrance Plan Sheet
Entrance plans shall include the following:
A. Existing and proposed right-of-way,
property lines and easements.
B
Names and parcel information of abutting land owners.
C Existing and proposed pavement edges and
material types.
D Existing and
proposed utilities including all DelDOT infrastructure.
E Contours showing the elevation of the
existing ground within the limits of the topographic survey. The contour
interval for various ground slopes shall be shown in accordance with Figure
4.3.5-a. Topography shall extend to the limits as defined in Section
4.3.5-C.
F. Proposed
contours
G. Location of any
crossovers
H. Roadway
curves
I. Existing and proposed
entrances serving adjacent properties
J. Proposed sight distance
easements
K. Existing and proposed
drainage features
L. Location of
existing and proposed buildings
M.
Existing and proposed utility poles, signs, etc.
N. Parking layout
O. Proposed entrance geometry, including
entrance radii dimensions
P.
Centerline stationing for the frontage road(s)
Q. Proposed curb and sidewalk
grades
R. At a proposed entrance
that requires widening to the existing State-maintained roadway, spot
elevations on the proposed edge of pavement and where the proposed pavement
meets the existing pavement shall be provided at 25-foot intervals. Spot
elevations at the entrance radii shall be given at 10-foot intervals.
S. Site specific entrance construction
details. (A separate plan sheet may be required for details.) DelDOT standard
details shall not be shown on plans.
T. Proposed limit of construction
U. Traffic Generation Diagram (for more
information, see figure 3.4.2.a and DelDOT's Traffic Generation Example which
is available online at
http://devcoord.deldot.gov >
Guidelines), showing the following:
1. Site
generated ADT and distribution (per the latest edition of the ITE Trip
Generation Manual)
2. Mainline ADT
(existing and projected) and speed limit
V. Signing and striping plan with existing
and proposed striping, including lane widths. A separate plan view or sheet may
be required.
W. Existing traffic
infrastructure, devices and systems including but not limited to signal and
pedestrian poles, junction wells, inductive loops, cameras, conduit, weather
equipment, pedestrian signals, cabinets and red light cameras)
X. North arrow and Graphic scale (1" = 30'
preferred, 1" = 20' acceptable
Y.
Typical sections as defined in Section 4.3.3
Z. Existing/Proposed transit facilities,
pedestrian and shared-use pathways, pedestrian crossings and bicycle
facilities
4.4.4
Commercial Entrance Plan Submittal Requirements - Maintenance of Traffic
Sheet
Maintenance of Traffic (MOT) must be accounted for on all
projects. Depending on the complexity of the project, MOT requirements may
range from notes or a short narrative on the plans referencing the MOT Typical
Application in the DE MUTCD to a series of sheets detailing the traffic control
measures for phased construction. Applicable MOT General Notes shall be placed
on the plan. See
http://devcoord.deldot.gov > Quick
Links > DelDOT Notes for General Notes for MOT.
4.4.5
Commercial Entrance Plan
Submittal Requirements - Cross Section Sheets
Where subdivision construction plans include proposed
improvements to frontage roads, cross sections shall be required. Cross
sections shall be shown along the frontage road every 50 feet at even stations
(e.g. 1+00, 1+50, etc.) within the limits of improvements. Cross sections shall
show the following information:
A.
Existing and proposed widths of streets, lanes, shoulders, right-of-way and
easements
B. Existing and proposed
cross slopes of all lanes, shoulders and swales
C. Slope of roadside embankment (front slope
and back slope)
D. Clear zone width
and horizontal clearance
E.
Proposed limit of construction
F.
Point-of-Profile Grade Application
G. Existing and proposed curb, including curb
type(s)
H. Depth and type of
pavement material
I. Locations to
place topsoil, seed and mulch
J.
Location of underdrains
K. All
existing and proposed drainage structures and utilities
