Morrisville Administrative Manual_September 2023

Part 4. Appendices 4.5 Checklists

New Telecommunication Facility Construction Plan Approval for a Site Plan (Major or Minor) Submittal Checklist For each listed item, check (√) if provided, write “n/a” if the feature does not exist or is not proposed, and write “w” if a waiver from the requirement is justified because it is unnecessary in the particular case to determine compliance with applicable regulations. Staff Use Only √, n/a, or w Application Submittal Requirement √, n/a, or w

Add the following tables for each structure (fill in blanks)

Area of Façade Walls ______________ sf Area of Window and Doors ______________ sf Total Façade Wall Area1 ______________ sf 1 Net Total Façade Wall Area is the Area of Façade Walls minus Area of Window and Doors

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Area of predominant net façade material ____________ sf ____________% Area of non-predominant net façade material ____________ sf ____________%

12 Demonstrate façade walls have no less than three of the following: color change; texture change; material change; or an expression of architectural or structural bays through a change in plane no less than 12 inches in width. 13 Demonstrate that all proposed parapet walls extend around the perimeter of the roofline and include a three-dimensional cornice treatment. 14 Demonstrate that parapets do not exceed 1/3 the height of the supporting wall unless the parapet is in scale with the building and development. Add the following note: Prior to the issuance of any certificate of occupancy, a certification from the manufacturer of correct installation of all EIFS shall be provided to the Town Planning Department. N Stormwater Report 1 Runoff Calculations report for all proposed storm drainage structures including, but not limited to culverts, storm drain systems, inlets, ditches, open channels, BMPs, outlet protection, etc. The report shall be sealed and signed by a registered North Carolina Professional Engineer. 2 Narrative description of Existing Conditions, Natural Resource Inventory, Stormwater Management Plan, calculations (methods, variables, assumptions, etc.) and results. 3 Copy & .xls file of completed Storm-EZ form 4 Maps 15

• Pre- and Post-Development Drainage Area Maps • BMP drainage area map (include area of BMP itself) • Inlet drainage area map • USGS Quad map (identify site) • FIRM map (identify site) • Wake County Soil Survey (1970) map (identify site) 5 • Runoff coefficient calculations • Rational Formula (up to 5 acres) • SCS Method (discrete CN method) 6 Time of concentration for pre/post development conditions

7 Analyze pre-development and post-development runoff conditions for each discharge point from the site 8 No net increase from pre-development peak flow for 1-yr, 2-yr, & 10-yr, 24-hr storm events 9 Roof drain & leader calculations (designed per the NC Plumbing Code) 10 Storm Drain System Design Calculations • Pipe material – RCP, minimum pipe diameter of 15 inches, minimum slope of 1% • Pipes carry the 2-yr storm at a velocity of at least 2 • 10-yr (contained in pipe) & 25-yr (contained in structures) HGL calculations & profiles

• Swale calculations showing non-erosive flow for 10-yr storm • Gutter spread calculations for 4 in/hr storm (8ft max spread) • Culvert calculations (energy equation & nomographs) • Rip rap apron calculations/nomographs

Morrisville, NC

August 7, 2023

Administrative Manual

Page 77