Plan Review Detail
Review Status: In Review
Review Details: BUILDING OFFICIAL APPEAL REVIEW v.1
Plan Number - TC-BCA-0526-00105
Review Name: BUILDING OFFICIAL APPEAL REVIEW v.1
Review Status: In Review
| Review Date | Reviewer's Name | Type of Review | Description | Status | Comments |
|---|---|---|---|---|---|
| Commercial Building Express | APPROVED | ACTIVITY NO. TC-BCA-0526-00105 ADDRESS/PARCEL: (349 S WILLIAMS BL TUCSON, AZ 85711)C-BCA-0526-00105 (349ILLIAMS BL TUCSON, AZ 85711) Submit your revised drawings along with a detailed response letter, which states how all Building Review Section comments were addressed. Please paste the review comment individually and enter your response directly below it. Please do this for every comment. Review will not proceed without the response letter. The submitted documents were incomplete and a thorough plan review could not be performed. Please be aware, new comments may arise with the next review. Should the above not followed, it may delay your approval. Additionally, please submit complete copies of all permit documents (i.e. plans, calculations, reports, etc.) even if they have not been changed. Should you have any questions about these Commercial Building comments, I can be reached at Justin.Eder@tucsonaz.gov or 520-837-4976. COMMENTS: 1. 2021 IBC 510.2 Horizontal building separation allowance. a. A building shall be considered as separate and distinct buildings for the purpose of determining area limitations, continuity of fire walls, limitation of number of stories and type of construction where the following conditions are met: i. The buildings are separated with a horizontal assembly having a fire-resistance rating of not less than 3 hours. Where vertical offsets are provided as part of a horizontal assembly, the vertical offset and the structure supporting the vertical offset shall have a fire-resistance rating of not less than 3 hours. ii. The building below, including the horizontal assembly, is of Type IA construction. iii. Shaft, stairway, ramp and escalator enclosures through the horizontal assembly shall have not less than a 2-hour fire-resistance rating with opening protectives in accordance with Section 716. 1. Exception: Where the enclosure walls below the horizontal assembly have not less than a 3-hour fire-resistance rating with opening protectives in accordance with Section 716, the enclosure walls extending above the horizontal assembly shall be permitted to have a 1-hour fire-resistance rating, provided that the following conditions are met: a. The building above the horizontal assembly is not required to be of Type I construction. b. The enclosure connects fewer than four stories. c. The enclosure opening protectives above the horizontal assembly have a fire protection rating of not less than 1 hour. iv. Interior exit stairways located within the Type IA building are permitted to be of combustible materials where the following requirements are met: 1. The building above the Type IA building is of Type III, IV, or V construction. 2. The stairway located in the Type IA building is enclosed by 3-hour fire-resistance-rated construction with opening protectives in accordance with Section 716. v. The building or buildings above the horizontal assembly shall be permitted to have multiple Group A occupancy uses, each with an occupant load of less than 300, or Group B, M, R or S occupancies. vi. The building below the horizontal assembly shall be protected throughout by an approved automatic sprinkler system in accordance with Section 903.3.1.1, and shall be permitted to be any occupancy allowed by this code except Group H. vii. The maximum building height in feet (mm) shall not exceed the limits set forth in Section 504.3 for the building having the smaller allowable height as measured from the grade plane. 2. Sheet A0.10 shows the building diagram illustrating the following: a. A 3 hr horizontal building separation (a Podium) separating building one the lower one floor and the building two the upper four floors. b. It does indicate a Type 1-A construction on the lower one floor. c. It also shows a 2 hr shaft enclosure continuing the 3 hr enclosure above the podium. d. Building two for the upper four floors is constructed as V-A. e. It also show a 3 hr enclosure containing a combustible interior stair. f. CONCLUSION: With the above in mind, the request to use combustibles for the interior stair shall be approved by using item iv above: “Interior exit stairways located within the Type IA building are permitted to be of combustible”. 3. NOTE: This appeal process will not be completed until the fee is paid. |
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| Bldg Permits - Post Review Express | PENDING ASSIGNMENT | ||||
| Building Official Fast | PENDING ASSIGNMENT |