Permit Review Detail
Review Status: Completed
Review Details: RESUBMITTAL
Permit Number - T22CM03374
Review Name: RESUBMITTAL
Review Status: Completed
| Review Date | Reviewer's Name | Type of Review | Description | Status | Comments |
|---|---|---|---|---|---|
| 05/26/2022 | KEN VAN KARSEN | BUILDING-RESIDENTIAL | REVIEW | Reqs Change | T22CM03374 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. A living space with cooking features (An ADU) is an independently functioning dwelling and requires compliance with the 2018 IRC and City of Tucson building ordinances for Family Dwelling requirements. Each dwelling unit with kitchen requires a separate Pima County assigned street address, R319. Notate each dwelling address on the site plan (or remove cooking appliances). A new dwelling unit requires collection of development impact fee when the building permit is processed, City of Tucson Ordinance #11203. GENERAL COMMENTS (for dwelling with kitchen): 1. A dwelling unit (living space with kitchen) 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. Update breaker space location. 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 or show the distance from transit or a bike boulevard as not greater than a quarter-mile. SITE PLAN: 1. Update the electric and water lines from meter to building, R106.1.1. Show all utility point of connections without dependance on another dwelling. Update the electric lines from meter to building, R106.1.1. Consider a single multi-meter location on the property. 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. Notate a cool (white) roof finish as required by the ADU provisions. 3. Individual dwelling units in duplexes must be separated by a fire rated wall from floor to bottom of roof sheathing without opening other than limited utility penetrations (R302.4) in compliance with IBC Table 721.1(2). SECTIONS - DETAILS: 1. Show exterior wood siding, sheathing and wall framing with a 6” clearance above the ground (R317.1 item 5) with minimum ½” diameter anchor bolt and treated sill plates, R602.10.8 & R403.1.6. This may require a concrete stem when the floor is less than 6” above grade. Update detail #3 sheet A-4. 2. Clarify the placement of ceiling/roof insulation for determining the need for attic ventilation or need for providing air-impermeable rigid insulation at the roof, R806. 3. 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. Show a roof design with insulation types and minimum thickness for meeting the condensation control requirement and the minimum total insulation value of R-38. PLUMBING PLANS: 1. Show an individual accessible water supply shut off for each dwelling unit, P2903.9.1. MECHANICAL PLANS: 1. Show the location of HVAC equipment, R303.9. 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 one bedroom dwelling under 1501 SF requires a 30 CFM continuous setting. ELECTRICAL PLANS: 1. TEP may require the service panel for the property at the closest building to the service transformer. A service line change or a new meter location must be coordinated with TEP for approval. Show an underground feeder from a dual meter to the more distant dwelling. 2. Update the Riser Diagram for the close dwelling and the feeder size to the detached dwelling panel, NEC 225.30 and E3403. Show a Riser Diagram providing service disconnect of either dwelling without service disruption of the other dwelling. 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” and locate the receptacle at a parking area, N1104.2.1. Include the Electric Vehicle load entry (typically 7680 watts) in the electrical load calculations (continuous demand) like the HVAC entry, N1104.2.2. OUTDOOR LIGHTING CODE 1. Show the proposed fixture as full cut-off FCO style or provide an Outdoor Lighting Calculation including all exterior fixtures on the property for determining exterior lighting limits. 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 |
| 06/14/2022 | PAUL CAMARENA | ZONING | REVIEW | Approved |