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Thornton, CO Forecast

RESIDENTIAL MASTER PLAN SUBMITTAL REQUIREMENTS INCLUDING TOWNHOMES

Submittal for residential master plan review must include:
  1. Master Plan Application with contact person, address and phone number.
  2. 2 sets of complete construction drawings minimum 18 x 24 to ¼" scale (4 sets for townhomes).
  3. 2 sets of stamped and wet-signed engineered foundation and structural design drawings.  Every page with structural information (posting, beam sizes, etc.) must be wet-stamped and wet-signed.  At least one style of foundation (i.e. Caisson) is required to be submitted, with all options for that elevation that are shown in the architectural sheets (4 sets for townhomes).
  4. Soils Report – Either a master report on the whole subdivision or a report from any specific lot in the subdivision where the building will occur.  It must be wet-stamped and wet-signed, with the information that matches the foundation plans that are submitted.  Each foundation type must have a soils report with matching information.
  5. List of options possible (only those that affect square feet) with the area of each option.
  6. 2 sets of (stamped) Truss Specs and Layout Sheets for each roof option from the supplier you will use.
  7. 2 sets of every elevation on letter size paper.
  8. 2 copies of a passing RES Check (www.energycodes.gov) for the base and for each option that changes roof or wall types, OR 2 copies of the input/output summary based on information from plans showing worst case scenario of location and orientation on lot if performance method is to be used to show envelope compliance.
  9. ACCA manual J and manual D calculations using approved software.
Information needed on the construction drawings:
  1. Model number or plan number
  2. Square footage of finished, unfinished, and garage areas for the base model
  3. All options that affect square footage with the area of each option
  4. Structural section showing typical framing conditions
  5. All structural members
  6. Elevators
  7. Floor plan
  8. Electrical plan
Design criteria for residential structures in the City of Thornton:
  • Wind speed - 90 MPH, exposure C (or B if location complies with definition)
  • Snow load - 30 PSF
  • Floor load - 40 PSF live load (30 PSF in sleeping rooms)
  • Footing depth - minimum 36 inches
  • Seismic design category - B
Applicable codes:
  • 2006 International Residential Code
+Curr. Planning
+Long-Range Planning
+Building/Permit
+City Code
+Housing Assistance
+Dev. Eng.
City of Thornton
9500 Civic Center Drive, Thornton, CO 80229