Permit Review Detail
Review Status: Completed
Review Details: RESIDENTIAL - BLDG/ZONING/ENGINE/NPPO
Permit Number - T21CM08210
Review Name: RESIDENTIAL - BLDG/ZONING/ENGINE/NPPO
Review Status: Completed
| Review Date | Reviewer's Name | Type of Review | Description | Status | Comments |
|---|---|---|---|---|---|
| 10/28/2021 | STEVE SHIELDS | ZONING | REVIEW | Approved | |
| 10/28/2021 | SSHIELD1 | ENGINEERING | REVIEW | Passed | |
| 11/08/2021 | KEN VAN KARSEN | BUILDING-RESIDENTIAL | REVIEW | Reqs Change | T21CM08210 PLAN REVIEW COMMENTS Plan review for the above referenced structure has been completed. This letter reflects comments to be addressed. For facilitating a shorter back check time, please provide updated plans and calculations with a written response to each of the notated items indicating action taken. Do not cloud the changes made for comment updates; revisions are processed if changes occur after the permit is issued. SCOPE OF REVIEW: The scope of this plan review covers architectural, plumbing, mechanical, energy conservation and electrical. All code references are to the 2018 International Residential Code and 2018 International Energy Conservation Code. All features were checked only to the extent allowed by the submittals provided. All portions of this project are assumed to meet or will meet other departmental requirements, conditions and concerns before permit approval. GENERAL REQUIREMENTS: The City of Tucson adopted the 2018 IRC with amendments on 1/1/2019. Show the current code reference on the plans. GENERAL COMMENTS: 1. A dwelling unit providing complete independent living facilities requires compliance with design ordinances for handicap, solar water, photo-voltaic, gray water and EV charging preparations. Design Ordinances adopted by the City of Tucson. 2. Show compliance with the Inclusive Home Design Ordinance adopted by the City of Tucson Ordinance #10463 on 10/16/2007. Notate accessible route, minimum door width, changes in floor elevation, door hardware, electrical outlet reach range, grab bar reinforcement, etc. 3. All SFR and Duplex plans submitted after March 1, 2009 require a solar water system, or future installation preparation City of Tucson Ordinance #10549 with one of the following provisions: ½”control conduit and two ¾” copper piping for water with rooftop termination; straight 3” capped sleeve; or an accessible attic (clear path 30” wide x 30” high) over the water heater. Show appropriate notation. 4. All SFR and Duplex plans submitted after July 1, 2009 require a solar photo-voltaic system, or future installation preparation City of Tucson Ordinance #10549 . a. Show a minimum 300 SF clear solar-ready zone on a roof or framing plan, T103.3. Model plans should show four typical south facing roof surfaces. b. Label a double breaker space for future Photo Voltaic on the panel schedule opposite end from the main/supply side, T103.9. Remove the Photo Voltaic notation from circuit #28/30. 5. All construction drawings submitted after June 1, 2010 for one- or two-family dwellings must provide gray water utilization or preparation, Ordinance #10579/11089 revised July 9, 2013. The ordinance revision now requires a gray drain line discharge from one fixture for a one-story dwelling. Additional gray fixture drains are optional. Show a second clothes washer standpipe plumbed to an exterior wall above grade when feasible, or a bathing fixture drain looped 3’ beyond an exterior wall below grade before connection to the building drain. See details at https://www.tucsonaz.gov/pdsd/water-energy-conservation 6. Show compliance with the Electric Vehicle Supply Equipment Ordinance adopted by the City of Tucson Ordinance #11844 on 6/22/2021. Include a 40 ampere 240 volt dedicated branch circuit with a NEMA 14-50R receptacle for charging an electric vehicle at a proposed parking space. SITE PLAN: 1. Show the square footage of the garage, R106.1.1. PLANS: 1. Show a maximum ½” floor elevation changes at a notated accessible route entrance on the floor plan, R106.1.1. Include the threshold condition at the vehicle doorway or an exterior hinged door when the garage is used for the accessible route. 2. Provide manufacturer’s calculations and data for pre-engineered trusses dated and wet-sealed by an engineer who is registered in Arizona, or notate the requirement for deferred submittal, R106.1. SECTIONS - DETAILS: 1. Clarify the placement of ceiling/roof insulation for determining the need for attic ventilation, R806. 2. An unvented roof assembly requires an air-impermeable rigid insulation material with a minimum R-5 value applied correctly to either side of the roof sheathing, R806.5. Attic space requires a ventilation calculation for showing the attic vent opening size using 1 to 150 of attic area in compliance with R806.2. Provide appropriate upper and lower space vents when applying the reduced area calculation. PLUMBING PLANS: 1. Clarify if the building drainage is connected to HCS or a septic system. MECHANICAL PLANS: 1. Show impact protection for appliances located in the garage, M1307.3.1. 2. Provide (an HVAC system with fresh air intake) whole-house mechanical ventilation, or controlled exhaust with a calculated airflow rate, R303.4; N1103.6 & M1505.4. Show the system and appropriate flow rate setting on the plans. A two or three bedroom dwelling of 1501 – 3000 SF requires a 60 CFM continuous setting. 3. Clarify the cooling capacity in accordance with M1401.3, M1601.1. The equipment schedule on the plans (5 ton) is not sized in accordance with Manual J calculations (4 ton). ELECTRICAL PLANS: 1. Clothes Washer and Dishwasher GFCI: receptacles require readily accessible protection typically from an upstream device, E3902.9 & 10. Add notation to plans. 2. Show or notate a disconnect means or a locking breaker for the water heater, E4101.5. 3. Provide the Electric Vehicle Supply Equipment 40 ampere 240 volt dedicated branch circuit with a NEMA 14-50R receptacle and label the circuit “EV Ready”, N1104.2.1. Include the Electric Vehicle load entry (typically 7680 watts) in the electrical load calculations (continuous demand) similar to the HVAC entry, N1104.2.2. OUTDOOR LIGHTING CODE 1. Update the Outdoor Lighting Calculation; show the unshielded limit for area E3 with 11,000 lumens per acre. This was changed from 12,000 with the latest code addition. INTERNATIONAL ENERGY CONSERVATION CODE: 1. Energy Certificate: (Mandatory) place near the indoor furnace or in utility room, N1101.14. Add notation to plans. Please contact the plans reviewer if you have any questions: Ken Van Karsen (520) 837-4912 PDSD-Residential@tucsonaz.gov City of Tucson Residential Plan Review |