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Permit Review Detail
Review Status: Completed
Review Details: RESIDENTIAL - BLDG/ZONING/ENGINE/NPPO
Permit Number - T21CM08534
Review Name: RESIDENTIAL - BLDG/ZONING/ENGINE/NPPO
Review Status: Completed
| Review Date | Reviewer's Name | Type of Review | Description | Status | Comments |
|---|---|---|---|---|---|
| 11/01/2021 | SBLOOD1 | ENGINEERING | REVIEW | Passed | |
| 11/10/2021 | IMONSHI1 | ZONING | REVIEW | Approved | |
| 11/30/2021 | KEN VAN KARSEN | BUILDING-RESIDENTIAL | REVIEW | Reqs Change | T21CM08534 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: Each dwelling unit with kitchen requires a separate Pima County assigned street address, R319. Show a new dwelling address on the site plan or remove kitchen appliances. A new dwelling unit requires collection of development impact fee when the building permit is processed, City of Tucson Ordinance #11203. 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. Show breaker 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. 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. Indicate the location of buildings, utility meters and gas, water, electric and sewer or septic lines from property line to building, R106.1.1. Show all utility point of connections without dependance on another dwelling. 2. Show the new shed location with appropriate setback from property lines. PLANS: 1. Show a maximum ½” floor elevation changes at a notated accessible route entrance on the floor plan, R106.1.1. 2. Show roof structural members with rafter ties (or ceiling joists) and collar ties (ridge straps) when the roof pitch is equal or greater than 3” to 12”, R802.3 or provide manufacturer’s calculations and data for pre-engineered trusses dated and wet-sealed by an engineer who is registered in Arizona, R106.1. 3. Show the location of a minimum 22” x 30” attic access. Attic access is required for areas exceeding 30 SQ FT with a minimum of 30” of headroom and located in a hallway or readily accessible space, R807.1. 4. Remove the door opening in the wall separating the units, R302.4. 5. Individual dwelling units require separation with 1-hour fire-resistance rated assemblies from floor to bottom of roof sheathing, R302.3. Provide a detail or notation showing compliance with 703.3 of the 2018 IBC. SECTIONS - DETAILS: 1. Show exterior wood siding, sheathing and wall framing with a 6” clearance above the ground, R317.1 item 5. Update detail #5 sheet A-3. 2. Clarify the placement of ceiling/roof insulation for determining the need for attic ventilation, 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. Otherwise, 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. Tucson Water Department limits flow rates for each water meter size in compliance with P2903.7. Show an appropriate yard pipe bypassing the existing dwelling and an upgraded water meter size. 2. Show an individual accessible water supply shut off for each dwelling unit, P2903.9.1. MECHANICAL PLANS: 1. Provide a firestop system for an HVAC serving two dwelling units with common ducts, R302.4.1.2. Or provide a separate HVAC system. 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. 3. Provide demand calculations in accordance with Manual J/S/D standards, M1401.3, M1601.1. Systems shall be sized in accordance with Manual S based on building loads calculated in accordance with Manual J and duct systems sized in accordance with Manual D. Notate if the mechanical plans if system calculations will be provided by deferred submittal. ELECTRICAL PLANS: 1. TEP usually requires the service panel on 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. 2. An overhead service conductor requires an 8-foot clearance above the roof, E3604.2.1 which is usually not feasible. The service line change or a new panel location must be coordinated with TEP for approval. 3. Show service meter on a Riser Diagram for the dwelling and detached building with a single drop from the utility. A feeder is required between buildings, NEC 225.30 and E3403. 4. Show receptacle outlets at wall spaces 2’ or more with no wall point (exclude door openings) more than 6’ from a receptacle outlet, E3901.2. Include the common wall between units. 5. Show at least one wall-switch-controlled lighting outlet providing illumination on the exterior side of each egress door having grade level access R3903.3. 6. 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. 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 |