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Permit Review Detail

Permit Number: T12CM01442
Parcel: 12406006A

Address:
813 E 8TH ST

Review Status: Completed

Review Details: RESIDENTIAL - BLDG/WWM

Permit Number - T12CM01442
Review Name: RESIDENTIAL - BLDG/WWM
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
08/21/2015 PAUL BAUGHMAN ENGINEERING REVIEW Reqs Change DATE: August 24, 2015
DUE DATE: September 9, 2015
SUBJECT: SFR south of High School Wash bank
TO: Cypress Civil, Jeff Hunt, PE
LOCATION: 813 East 8th Street
REVIEWERS: Paul Baughman, PE, CFM
ACTIVITY: T12CM01442 and T15OT01111
SUMMARY: Engineering Division of Planning and Development Services Department has received and reviewed the proposed SFR Plan Package, Drainage Report (Cypress Civil July 20, 2015). Engineering does not recommend approval of the SFR plan package at this time. The applicability of many of these comments is dependent on whether there is existing bank protection that removes the proposed structural location from the erosion hazard setback area. Any such bank protection, if it exists, should be photographed per comment 10 below with pictures included in the next submittal of the drainage report. Additional narrative should indicate the engineers opinion as to the protection afforded by such bank protection, if it exists, and what the subsequent impact on the erosion hazard area should be.
The following items need to be addressed:
1) Per Chapter 26-8 (d) (2) Fill needs to extend 25' from edge of structure for a fill pad. Since the pad is only 50 feet wide it appears that a design alternative for a shorter distance may be required as provided by a civil engineer. Please dimension proposed distance from top of fill slope to structure on plan.
2) Per the Drainage Standards Manual section 8.5.10.1 superelevation needs to be analyzed and the finished floor elevation set based on developed conditions, superelevated flow depths. The current proposal to set the finished floor elevation based on existing conditions, unsuperelevated water surface elevations needs to be revised to reflect developed conditions.
3) Per Chapter 26, Section 7, 8 (4) and 8 (e) Erosion Hazard Setback needs to be established using equation 7.8 from the drainage standards manual. The radius of curvature (please show graphically and add this number to the channel report) of the channel will need to be determined to select the coefficient for use in equation 7.8. Per the Drainage Standards Manual section 7.4, item 1 the setback is to be measured from the top edge of the highest channel bank. If the setback is to be reduced below the limits established by equation 7.8 a soils investigation prepared by a state-registered professional Civil Engineer will need to be provided outlining the erosive properties of the area to be graded or disturbed.
4) Per section 6.6 and equation 6.3 of the Drainage Standards Manual, scour analysis needs to be performed if the structure is proposed in the erosion hazard setback area (EHS).
5) Per Chapter 26, Sections 5.2 (9) and 11.2 (h) the finished floor elevation shall be certified by a professional Civil Engineer or Land Surveyor such that it is shown to be at or above the regulatory flood plain elevation.
6) Per Chapter 26, Section 5.2 (11) all service facilities such as electrical, and heating equipment shall be at or above the regulatory floodplain elevation. Please add a general note to the plan.
7) Per Chapter 26, Section 5.2 (12) please provide slope protection, as designed by an engineer and concrete toe downs around fill pad where fill or structure has been placed in the erosion hazard setback area.
8) Per Chapter 29, Article 8 (Section 29-14) there is a study area measured 50' from the top of high school wash bank that may require additional analysis prior to development in this area. Please see Landscape and/or planning staff review comments for additional detail. If this lot existed on or before April 25, 1991, development of one (1) single-family residence may be exempt per Chapter 29-14 (b) (1).
9) Per Chapter 26, Section 11.2 (a) (1) and (2) a and b, please show proposed fill contours and a cross section of the proposed fill pad including the high school wash channel bottom, any existing or proposed bank protection, toe downs and the limits of the erosion hazard setback area.
10) Per Chapter 26, Section 11.2 (a) (2) b. please provide photographs of the adjacent channel upstream and downstream such that it can be ascertained whether bank protection currently exists.
11) Per Chapter 26, Section 11.2 (b) the floodplain use permit may be subject to conditions and restrictions designed to reduce or mitigate the potential damage or hazard to life or property resulting from development within the regulatory floodplain, floodway or erosion hazard areas.
12) Per Chapter 26, Section 11.2 (b) (6) please add a general note to the plan that indicates the applicant agrees to hold the city and its officials and agents, harmless and defend them from any and all claims for damages now and in the future relating to the use of the property sought to be developed by reason of flooding, flowage, erosion or damage caused by water, whether surface, flood or rainfall.
13) Please add easement recordation data for lot access through lot 3B.
If you have any comments questions or wish to discuss new information, please call or email me at 520-837-5007 or paul.baughman@tucsonaz.gov.
09/02/2015 STEVE SHIELDS ZONING REVIEW Reqs Change PDSD TRANSMITTAL

FROM: Steve Shields
Lead Planner

PROJECT: T12CM01442
813 E. 8th Street
Residential (1st Review)

TRANSMITTAL DATE: September 2, 2015

The building plans have been reviewed by Zoning Review Section but cannot approve the plan until all zoning comments or concerns have been addressed.

Per UDC Article 7.8.4.C If access is provided by an easement and the easement serves more than two single-family homes the City may require the easement to be developed as a street or as a parking area access lane (PAAL). The determination as to whether a developed street or PAAL is required will be made at the time of review of the proposed land division or development of the property based on the need for public services, such as utilities, refuse collection, and fire suppression, and on the projected average daily traffic (ADT) of the access easement. That said it appears that the front structures has at least two units and with the addition of the proposed house you are proposing a minimum of three (3) units accessing off of the same easement. The existing drive way does not appear to meet the minimum widths for a PAAL or access lane, see UDC Tables 7.4.6-1 & -2. Provide a width dimension for the access lane on the plan. At a minimum access to the proposed site will need to be 20' wide along with a four sidewalk along the existing duplex and 24' wide where access is provided to vehicle parking spaces. A parking design modification request (PDMR) may be required

A utility/access easement is required across parcel 124-06-006B. Show the easement on the plan and provide the recordation information.

Zoning recommends that you contact Tucson Water to determine requirements for new water meters.

If you have any questions about this transmittal, please contact me at Steve.Shields@tucsonaz.gov or (520) 837-4956
09/17/2015 KEN VAN KARSEN BUILDING-RESIDENTIAL REVIEW Reqs Change T12CM01442
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 REQUIREMENTS:

Update the property address on the title blocks of each sheet

The City of Tucson adopted the 2012 IRC with amendments on 1/1/2012. Show the current code reference on the plans. Update Alt. Brace Wall detail on sheet A1.

GENERAL COMMENTS:

1. A dwelling unit providing complete independent living facilities requires compliance with design ordinances for handicap provisions, solar water, photo-voltaic and gray water preparations. Design Ordinances adopted by the City of Tucson.
2. 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.
3. 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.
4. 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. Include two clothes washer standpipes at an exterior wall, one with an above grade stub-out, and one plumbed to the building drain. See details at http://pdsd.tucsonaz.gov/files/pdsd/codes-ordinances/Grey_Water_Options_FINAL_.pdf

FLOOR PLANS:

1. Show a maximum ½" floor elevation change at a notated accessible route entrance on the floor plan, R106.1.1.
2. Show a attic access door from a garage to attic with a 20-minute fire rating, R302.5.1.
3. Indicate the direction of slope for the garage slab, R309.1.
4. Provide a handrail for the exterior stairway of four or more risers, R311.7.8.
5. Show the location of a minimum 18"x 24" access to under floor space, R408.4.

SECTIONS - DETAILS:

1. Show fiber-cement board or glass mat gypsum backers for tiled walls in tub and shower areas, R702.4.2.
2. Show a minimum 1" ventilation clearance between ceiling insulation and roof sheathing over the wall and eave area if eave vents are used, R806.3. This may be accomplished w/ baffles. Notate detail S1/A3.

PLUMBING PLANS:

1. Show hot water pipe with minimum R-3 insulation, N1103.4.2.
2. Show an individual accessible water supply shut off for each dwelling unit, P2903.9.1 with a minimum 1" service pipe, P2903.7.
3. Show a provision for a future solar water system, City of Tucson Ordinance #10549.
4. The revised City of Tucson Ordinance #11089 for gray water preparation requires a minimum of one compliant fixture. The second floor clothes washer standpipe may discharge to an exterior wall discharge point for immediate usage.

MECHANICAL PLANS:

1. Show location of access, catwalk and working platform for heating or air conditioning equipment located in the attic, M1305.1.3.
2. Provide (an HVAC system with) whole-house mechanical ventilation with continuous or a minimum controlled intermittent airflow rate, R303.4 & M1507.3. Show a source of outside supply air.
3. Show dryer vent size and location for venting to exterior, M1501.
4. Show bathroom exhaust fan locations with minimum 50 CFM rating and duct to the exterior, R303.3 and M1507.3.

ELECTRICAL PLANS:

1. Show compliance with the City of Tucson Ordinance #10549 for future Photo Voltaic on the panel schedule and electrical load calculation.
2. Show the location of a carbon monoxide detector outside of bedroom doors, when the dwelling includes an attached garage or gas appliance, R315.
3. Designate the circuit number at the location of each light fixture, receptacle, appliance and equipment disconnect switch, E3404.12. Clarify the location of circuit #21, 26, 27, 28, 29 & 36.
4. Show or notate a disconnect means or a locking breaker for the water heater, E4101.5.

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. Adjustable security light fixtures are unshielded, not FCO.

INTERNATIONAL ENERGY CONSERVATION CODE:

1. Tucson is in climate zone 2B. The simplified prescribed energy values for glazing is U=0.40, skylights U=0.65, ceiling R=38 (R-30 with conditions) and both walls and framed floors R=13. Show the "R" values of insulation and the maximum "U" factors of the windows and doors on the plans as well as the solar heat gain coefficient SHGC minimum value of 0.25, N1102.1. Update the R-30 ceiling on S1/A3 and specify window requirements.

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

Final Status

Task End Date Reviewer's Name Type of Review Description
12/11/2015 AROMERO4 OUT TO CUSTOMER Completed