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Permit Review Detail
Review Status: Completed
Review Details: RESUBMITTAL
Permit Number - T15CM05509
Review Name: RESUBMITTAL
Review Status: Completed
| Review Date | Reviewer's Name | Type of Review | Description | Status | Comments |
|---|---|---|---|---|---|
| 10/30/2015 | ROBERT SHERRY | MECHANICAL-COMMERCIAL | REVIEW | Reqs Change | 1. Remove the glazing information shown on sheet A-1.2. [Second comment: The provided documentation from the manufacturer will be sufficient for COMcheck but the glazing information shown on sheets A-1.2, A-2.1, A-5.1, A5.2, A-5.3, and A-5.5 should be either removed or changed to agree with the values shown on COMcheck and the interior finish schedule on sheet A-7.2. Include two copies of the complete COMcheck reports with the next submittal.] [Initial comment: Footnote (c) of the envelope assembly section of the COMcheck Envelope Compliance Certificate calls for supporting documentation of the fenestration performance. Provide documentation (e.g. a bid report from a window manufacturer) to show the fenestration components will provide the performance shown in the COMcheck analysis. For site assembled commercial products, the NFRC component modeling approach program enables commercial window manufacturers to produce bid reports to prove energy performance prior to being awarded a job and provide finalized label certificates once the product has been installed. Fenestration performance reports based on AAMA 507 are based on energy simulations only (no actual testing) and are not acceptable.] 2. Comment not resolved. The hall is definitely an egress corridor and may not be used as a duct (note that fire-resistance is not an issue per Section 601.2, IMC 2012). You have not answered the question of how the recirculation of air from the restrooms is to be addressed. [Second comment: Section 403.2.1 (4) does allow for recirculation of air from the restrooms provided that the resulting airstream contains no more than 10% of the resulting supply airstream contains recirculated air. The question is: how are you going to introduce the recirculated air from the restroom into the supply airstream? Your answer to the original comment indicates that the recirculated air will exit through the restroom doors and travel along the hallway to the sales floor. Refer to Section 601.2, IMC 2012 and explain how the hall, identified as an egress corridor on sheet A-0.2 is not being used as a duct. On closer examination, it appears that the return air from rooms 105, 106, 114, and 115 are also using the hall as a duct. Show how this will be rectified.] [Initial comment: Revise the sequence of operation for the restroom exhaust fans so that all of the air supplied to the restrooms will be exhausted (i.e. supply air is delivered to the restrooms continuously therefore the exhaust fans shall operate continuously during the operating hours for the store). Reference: Section 403.2.1 (4), IMC 2012.] 3. The occupant load used for calculating the minimum required ventilation is to be based on Table 403.3, IMC 2012 or an approved engineering analysis of the specific occupancy type. Provide justification for the use of a Zone Air Distribution Effectiveness (Ev) of 1.0 for a ceiling supply, ceiling return when using gas-fired rooftop units (i.e. the supply temperature is greater than 15 degrees Fahrenheit above the room temperature). Reference: Sections 403.3 and 403.3.1.2, IMC 2012. [Second comment: Revise the ventilation calculations to include the occupancy classification from Table 403.3 that was used to determine the required ventilation air flow for each space. Include the zone air distribution effectiveness (Table 403.3.1.2, IMC 2012) when calculating the zone outdoor airflow. Determine the system outdoor air intake flow rate for the rooftop units supplying multiple zones as described in Sections 403.3.2.3.1 through 403.3.2.3.4, IMC 2012. Verify that all of the rooms have been included in the calculations (i.e. rooms 114 and 115) and correct the arithmetic in the calculations (e.g. 616*0.12=73.9, not 37).] [Initial comment: The City of Tucson has adopted the 2012 IMC as the approved method for calculating ventilation requirements. Revise the ventilation calculations per Sections 403.3 and 403.3.2.3, IMC 2012.] |
| 10/30/2015 | ROBERT SHERRY | PLUMBING-COMMERCIAL | REVIEW | Reqs Change | The revised water demand calculations show a demand of 60 GPM which will require the use of a 1-1/2" water meter. The civil plans still show a 1" water meter being used to service the building demand; coordinate the meter size with the civil engineer. [Second comment: The maximum flow allowed through a 1" water meter by Tucson Water is 37.5 GPM; your data indicate a demand of 44 GPM so a 1-1/2" meter will be required. In addition, the water fixture unit calculations indicate that the flush-valve water closets have been counted as being private. The term "private" for plumbing fixtures applies to fixtures that are located in a residence or apartment, non-public toilet rooms in hotels or motels, and are intended for the use of a family or an individual.] [Initial comment: Section 604.1, IPC 2012 allows water distribution systems to be designed using accepted engineering methods. Provide the source of the method used to determine the water demand and provide calculations showing how the water supply piping has been sized.] |
| 11/03/2015 | DAN SANTA CRUZ | ELECTRICAL-COMMERCIAL | REVIEW | Approved |