Permit Review Detail
Review Status: Completed
Review Details: RESIDENTIAL - BLDG/ZONING/ENGINE/NPPO
Permit Number - T21CM03509
Review Name: RESIDENTIAL - BLDG/ZONING/ENGINE/NPPO
Review Status: Completed
| Review Date | Reviewer's Name | Type of Review | Description | Status | Comments |
|---|---|---|---|---|---|
| 04/28/2021 | SBLOOD1 | ENGINEERING | REVIEW | Passed | |
| 05/10/2021 | AWARNER1 | NPPO | REVIEW | Passed | |
| 05/13/2021 | LSHAMIS1 | ZONING | REVIEW | Approved | |
| 05/17/2021 | KEN VAN KARSEN | BUILDING-RESIDENTIAL | REVIEW | Reqs Change | T21CM03509 PLAN REVIEW COMMENTS Plan review for the above referenced structure has been completed. This letter reflects comments to be addressed. In order to facilitate 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 COMMENTS: 1. 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. 2. 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. 3. 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/files/pdsd/codes-ordinances/Grey_Water_Options_FINAL_.pdf FLOOR 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. Show the door from a garage to dwelling with a 20-minute fire rating (or 1-3/8” solid core) with self-closing and self-latching provision, R302.5.1. 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. SECTIONS - DETAILS: 1. Clarify the placement of ceiling/roof insulation for determining the requirement 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. 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. 3. A vented attic space requires a calculation for showing the attic ventilation 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. PLUMBING PLANS: 1. Show combination drain/vent pipe sized with acceptable number of fixture units, P3111.3. Show a 3” drain between Bath 2 and the building 2 way cleanout. MECHANICAL PLANS: 1. 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. 2. 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 system calculations may be provided by deferred submittal. ELECTRICAL PLANS: 1. Show or notate the requirement for a carbon monoxide detector outside of bedroom doors, when the dwelling includes an attached garage or gas appliance, R315. 2. Clothes Washer and Dishwasher GFCI: receptacles require readily accessible protection typically from an upstream device, E3902.9 & 10. Add notation to plans. 3. Protection of all interior 15A & 20A circuits serving outlet locations (except garage, kitchen, and bathrooms) including receptacles, lights and smoke detectors requires combination type arc-fault circuit interrupters, E3902.16. 4. Show or notate a disconnect means or a locking breaker for the water heater, E4101.5. 5. Specify high-efficacy lamps for at least 90% of all lighting fixtures, N1104.1. 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 |