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Permit Number: T16CM04933
Parcel: 117090450

Address:
70 W 21ST ST

Review Status: Completed

Review Details: RESIDENTIAL - BLDG/WWM

Permit Number - T16CM04933
Review Name: RESIDENTIAL - BLDG/WWM
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
09/29/2016 KEN VAN KARSEN BUILDING-RESIDENTIAL REVIEW Reqs Change T16CM04933
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 two sets of 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 revisions.

SCOPE OF REVIEW:

The scope of this plan review covers architectural, plumbing, mechanical, energy conservation and electrical. All code references are to the 2012 International Residential Code and 2012 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 with the following provisions: 1. A 4 square feet area for (meter, disconnect & inverter) equipment adjacent to the electrical service panel or near the proposed collector panel space. 2. The best roof space available for accommodating PV solar collector panels with capacity for collector dead loading (typically 4 lbs/SF). 3. A minimum 3,800 volt-ampere PV electrical load entry on the Service Load Calculation (Show as a continuous load of 15.8 A). 4. An Electrical Panel Schedule with a 240 volt circuit breaker space labeled "reserved for Photo Voltaic". See electrical comments.
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. Provide a gray drain-line discharge of all second story bathing fixtures through an exterior-wall drop for future gravity distribution.. Include an aliened purple colored 2" vertical drop to a cleanout cap 2' above grade. See details at http://pdsd.tucsonaz.gov/files/pdsd/codes-ordinances/Grey_Water_Options_FINAL_.pdf

FLOOR PLANS:

1. Update the code references used for the design, R106.1.1. Note #11, sheet A-2.

SECTIONS - DETAILS:

1. 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 (closed cell spray or rigid board tight to the roof sheathing), R806.5. This condensation control provision is necessary for code compliance, and may be a single layer of air-impermeable insulation, or layered with batt insulation for achieving the total required roof R-value.

PLUMBING PLANS:

1. Show the platform mounted water heater with a listed pan and ¾" drain line to a waste receptor or to the building exterior 6" above grade, P2801.5.

MECHANICAL PLANS:

1. Show supply ducts with minimum R-8 insulation (includes vented attics) except when completely located inside the thermal envelope, N1103.2.1. All other ducts outside of the thermal envelope require R-6 insulation. Delete note #9 which is in conflict with note #14.
2. Provide whole-house mechanical ventilation with continuous or a minimum controlled intermittent airflow rate, R303.4 & M1507.3. Show a source of outside supply air or continuous exhaust fan function.
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 system calculations may be provided by deferred submittal. The deferred calculations must be approved through revision process prior to mechanical inspections.

ELECTRICAL PLANS:

1. Smoke alarms are required outside each separate sleeping area, R314.3.2. Add a detector near bedroom doors on each floor.
2. 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. Update the master bedroom.
3. Show all garage receptacle outlets with GFCI protection, E3902.2. Include the ceiling receptacle on circuit #16.
4. Show or notate a disconnect means or a locking breaker for the water heater, E4101.5.

If you have any questions please contact:
Ken Van Karsen
(520) 837-4912
City of Tucson Residential Plan Review