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Permit Number: TC-RES-0424-02254
Parcel: 119222480

Address:
1831 W MERLIN RD

Review Status: Requires Resubmit

Review Details: RESIDENTIAL SOLAR v.1

Permit Number - TC-RES-0424-02254
Review Name: RESIDENTIAL SOLAR v.1
Review Status: Requires Resubmit
Review Date Reviewer's Name Type of Review Description Status Comments
05/07/2024 Site Engineering NOT REQUIRED
05/07/2024 Bldg Permits - Post Review Express PENDING ASSIGNMENT
05/01/2024 Light Residential Building Review (OIP) REQUIRES RESUBMIT Plan review for the above referenced structure has been completed. This letter reflects comments to be addressed. Provide updated Plans/calculations and a written response Letter to each of the notated items indicating action taken. Resubmitted plans that contain a written response Letter addressing each of the notated items indicating action taken, may be delayed until response letter is received. Code reference, 2018 International Residential Code (IRC).
1. Provide a lag-bolt connection up-lift calculation demonstrating the wind load supporting capability for 115 MPH, or provide an engineer’s calculation, and sealed design, R301.1, R324.4. An IRC PV roof uplift calculator (XLS) is available on Pima County’s website. https://www.pima.gov/1069/Solar-Wind-Systems
2. Provide complete roof framing information for determining load carrying capacity for the roof structure. Show all load bearing locations. Demonstrate the ability for supporting the existing and additional dead load, or provide an engineer’s calculation, design, and seal for verifying the truss load carrying capacity. R324.4 Equipment shall be positively attached to the roof structure with a minimum of one connection per 10 sf of equipment (minimum of two connections per piece of equipment). Point loads exceeding 40 lbs shall require a structural load analysis by licensed Arizona engineer.
3. Provide two pathways, on separate roof planes from lowest roof edge and not less than 36” wide. R324.6.1
• For photovoltaic arrays occupying not more than 33% of the plan view total roof area, not less than an 18” clear setback is required on both sides of a horizontal ridge. R324.6.2.
• For photovoltaic arrays occupying more than 33% of the plan view total roof area, not less than a 36” clear setback is required on both sides of a horizontal ridge. R324.6.2.
• These requirements shall not apply to roofs with slopes of two units vertical in 12 units horizontal (17-percent slope) or less.

Building_official@tucsonaz.gov
04/16/2024 PDSD Application Completeness Express REVIEW COMPLETED