HomeMy WebLinkAboutIronwood Approved Scope
October 29, 2021
Mr. Don Bennett, PE
DAVENPORT
5917 Oleander Drive, Suite 206
Wilmington, NC 28403
RE: Scope approval for the Traffic Impact Analysis (TIA) associated with the proposed
Ironwood residential development in New Hanover County, NC (adjacent to Tarin Woods II)
Dear Mr. Bennett,
Based on the information provided and conversations held to date, it is our understanding that the proposed development will consist of:
• ITE Land Use Code 210 – Single Family Detached Housing – 125 DU
• ITE Land Use Code 220 – Multi-family residential (low-rise) – 241 DU
The project is proposed in three (3) phases, with build out years of 2023 (Phase 1), 2024 (Phase 2) and 2026
(Phase 3).
Below please find the scope to be used for the Traffic Impact Analysis:
1. Data Collection - Analysis Parameters: a) Study Intersections i. For existing intersections, provide turning movement counts for weekday AM (7:00am-9:00am) and afternoon PM (4:00pm-6:00pm) travel periods, signal timing (if applicable), and lane geometry.
• US 421 (Carolina Beach Road) at southbound to northbound U-Turn near Rosa Parks Lane
• US 421 (Carolina Beach Road) at Sanders Road
• US 421 (Carolina Beach Road) at Beau Rivage Marketplace driveway (Harris Teeter)
• US 421 (Carolina Beach Road) at Manassas Drive/Sharks Eye Lane
• Manassas Drive at Shiloh Drive
• Myrtle Grove Road at Lieutenant Conglenton Road
• US 421 (Carolina Beach Road) and site access north of Rosa Parks – RI/RO
• US 421 (Carolina Beach Road) and site access south of Tregembo Animal Park – egress only
Ironwood residential development Traffic Impact Analysis (TIA) scope
Page 2 of 3
b) Site Trip Generation, Site Trip Distribution and Background Traffic Assumptions i. Site Trip Generation Estimate
• See attached trip generation
ii. Site Trip Distribution
• To be submitted and approved prior to use in TIA
iii. Adjacent Development (approved but not yet built):
• Tarin Woods II Development (215 single family detached housing)
iv. Planned Roadway/Intersection Improvements
• Manassas Drive dual right turn lanes
• Beau Rivage Marketplace (Harris Teeter) leftover
v. Background Traffic Assumptions
• Full Build - 2026
• Growth rate – 1% per year
2. Capacity Analysis: Week day AM & PM Peak Hour
a) Technical Analysis
i. 2021 Existing Conditions
ii. 2023 Future No-Build
[Existing + 1% background growth] iii. 2023 Phase 1 Build Conditions (125 DU) [Existing + 1% background growth + site trips] iv. 2023 Phase 1 Conditions w/ Mitigation [Existing + 1% background growth + site trips + improvements] v. 2024 Future No Build [Existing + 1% background growth] vi. 2024 Phases 1 & 2 Build Conditions (250 DU) [Existing + 1% background growth + site trips + Phase 1 improvements]
vii. 2024 Phases 1 & 2 Conditions w/ Mitigation
[Existing + 1% background growth + site trips + Phases 1 & 2 improvements]
viii. 2026 Future No Build
[Existing + 1% background growth]
ix. 2026 Full Build (Phases 1 – 3) Conditions (366 DU) [Existing + 1% background growth + site trips + Phases 1 & 2 improvements]
x. 2026 Full Build (Phases 1 - 3) Conditions w/ Mitigation
[Existing + 1% background growth + site trips + all improvements]
Ironwood residential development Traffic Impact Analysis (TIA) scope
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3. Final Report Submittal:
a) Completed TIA Application
b) Signed and sealed by a NC Professional Engineer
c) Electronic copies to include PDF of TIA, appendices and original Synchro analysis and output files
4. Notes:
a) This scope shall remain valid for three months from the date of this letter.
b) Please note that if any changes occur (including but not limited to: land use, intensity, signal phasing,
and/or site access) additional analysis may be required.
Please contact me at (910) 473 – 5130 with any questions regarding this scope.
Sincerely,
Scott A. James, PE Transportation Planning Engineer Wilmington Urban Area MPO
Attachments: Traffic Impact Analysis Supplemental Guidelines Scoping request packet with Trip Generation Summary and Site Map (provided by Davenport) ec: Ben Hughes, PE, District Engineer, NCDOT
Jessi Leonard, PE, Division Traffic Engineer, NCDOT
Stonewall Mathis, PE, Deputy Division Traffic Engineer, NCDOT
Madi Lee, EI, Development Review Engineer, NCDOT
Ken Vafier, Planning Manager, New Hanover County
Nicole Smith, Senior Planner, New Hanover County
Denys Vielkanowitz, PE, City Traffic Engineer, City of Wilmington
Thomas Bradshaw, PE, ITS Engineer, City of Wilmington
Mike Kozlosky, Executive Director, WMPO
Bill McDow, Associate Planner, WMPO