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Permit Review Detail
Review Status: Completed
Review Details: RESUBMITTAL - TI ALL
Permit Number - T16CM02480
Review Name: RESUBMITTAL - TI ALL
Review Status: Completed
| Review Date | Reviewer's Name | Type of Review | Description | Status | Comments |
|---|---|---|---|---|---|
| 09/29/2016 | KEN BROUILLETTE | FIRE | REVIEW | Approved | |
| 10/04/2016 | ERIC NEWCOMB | BUILDING-COMMERCIAL | REVIEW | Approved | |
| 10/06/2016 | ROBERT SHERRY | WATER | REVIEW | Reqs Change | Section 604.1, IPC 2012 allows the use of accepted engineering practices to be used when designing water distribution systems provided that the methods are approved. Provide justification for the method that was used to determine the water demand for the bathroom groups. [Second comment: Tucson Water limits a 2" meter to a maximum demand of 120 GPM. The calculations shown on sheet P903 show a demand of 145 GPM which will require the installation of a 3" water meter.] [Initial comment: Provide the calculations used to determine the total demand that the 2" water meter will be serving. Include all fixtures when calculating the total demand. Reference: Section 604.3, IPC 2012.] |
| 10/06/2016 | STEVE SHIELDS | ZONING | REVIEW | Reqs Change | PDSD TRANSMITTAL FROM: Steve Shields Principal Planner PROJECT: Mainstreet T16CM02480 Building Plan (3rd Review) TRANSMITTAL DATE: October 6, 2016 1. The building plans have been reviewed by Zoning Review Section but cannot approve the plan until all zoning comments or concerns have been addressed. 2. The development packages sheets provided in the building plans will either need to be the approved development package sheets or marked as reference or removed from the building plans. 3. Until the above comments have been addressed and all other PDSD review agencies have approved the building plans zoning cannot approve. If you have any questions about this transmittal, please contact me at Steve.Shields@tucsonaz.gov or (520) 837-4956 |
| 10/07/2016 | ROBERT SHERRY | PLUMBING-COMMERCIAL | REVIEW | Reqs Change | 1. The waste and vent drawings are incomplete; review the food service drawings and provide direct drain connections for C13 and C15 in room B102C, K6 and K13 in room B137, and P3 and P4 in room B104; provide a floor sink in room B102C (shown in detail 3/FS402). Flat vents are shown in rooms B126 and A172. No vents are shown for the waste piping in rooms B134 - B137. In room B124 a fixture drain from an automatic clothes washer is shown connecting to a 2" horizontal drain (see Section 406.2, IPC 2012). [Second comment: Complete the waste and vent isometric: the drawing shows numerous fixtures or fittings not connected to any pipes and numerous discontinuous pipes. Revise the design of the combination waste and vent systems located in B104 and B126 to eliminate the dry vents that appears to be offsetting horizontally prior to rising 6" above the floor rim of the highest fixture being vented (Section 915.2.2, IPC 2012).] [Initial comment: Complete the plumbing plans and the waste and vent isometrics. Reference: Section 107.2.1, IBC 2012.] 2. Provide roof drainage and hydraulic scupper size calculations based on the 100-year hourly rainfall rate for Tucson, 3" per hour; the rainfall calculation shown in the comment response letter is for a rainfall rate of 1" per hour. The "worst case scenario" for the area served by the scuppers appears to be much greater than 2684 square feet (not including vertical walls): there are two roof areas of approximately 3200 square feet not including vertical walls. The rain water from the scuppers that discharge over the canopy roofs will have to be added to the calculations for the required minimum size of the gutters. The only gutters that are dimensioned are for the shade canopy west of building C and none of the downspouts appear to be dimensioned. The collector boxes and downspouts for the scuppers that do not discharge over the shade canopies are not dimensioned. The scuppers that are visible in the building elevations appear to be circular and will require special calculations to determine their capacity. No provision has been made for secondary drainage. [Second comment: Based on the architectural building sections, the main roof is surrounded by parapets and there are no gutters except for the shade canopies. While General Note A on sheet AR101 calls for all water to flow towards roof drains, the intent appears to utilize scuppers through the parapet to drain the water. No dimensions are provided for the scuppers and it appears that no provision has been made for overflow protection. Provide hydraulic calculations for the scuppers; show the effective roof area served by each scupper and show how overflow protection is to be provided. Provide the dimensions of the gutters and downspouts for the canopies.] [Initial comment: Provide roof drainage calculations and plans. Provide overflow protection for the roof. Reference: Sections 1101, 1106 and 1108, IPC 2012.] 3. Correct the total gas loads shown on sheets P201B and P903 to include MAU-1. MAU-1 is shown as having a minimum gas inlet pressure of 7" WG; revise the setting on the gas pressure regulator to provide this minimum pressure at the equipment location. [Second comment: Coordinate the gas piping riser diagram with the mechanical plan (i.e. include the gas load from make-up air unit, MAU-1). Verify the connected load from the residential-size dryer in room B124; a connected load of 1CFH is questionable.] [Initial comment: Provide a complete diagram of the natural gas distribution system showing the all of the loads, developed lengths, and the layout of the distribution piping. Reference: Section 107.2.1, IBC 2012.] 4. No backwater valves have been shown on the civil plans. [Initial comment: The rim elevation (2485.57') of the next upstream sanitary manhole from the building sewer with the gravity grease interceptor is higher than the first floor elevation (2485.30'). Provide a backwater valve per Section 715.1, IPC 2012, as amended by the City of Tucson.] 5. The no-flow pressure drop across the water meter is 0 PSI and the pressure drop across the backflow preventer is about 10 PSI for all flows therefore the water entering the building can be in excess of 80 PSI. Provide a water pressure regulator. [Initial comment: The basis for the water pressure calculations on sheet P903 is a static pressure in excess of 80 PSI (Tucson Water indicates that the pressure range for that address is 88 to 95 PSI). Provide a water pressure regulator conforming to ASSE 1003 or CSA B356 to limit the water pressure to 80 PSI or less. Evaluate the pipe sizing using the incoming water pressure after the water pressure regulator. Reference: Section 604.8, IPC 2012.] 6. The revised plumbing fixture schedule shows what appears to be a non-metering faucet; provide metering faucets for the public lavatories, dispensing a maximum of 0.25 gallons per metering cycle. Verify that the faucets will operate for a minimum time of 10-seconds. Reference: Section 416.6, IPC 2012, as amended by the City of Tucson and Section 606.4, ICC/ANSI A117.1-03. 7. Provide tempered water for the lavatories located in public restrooms using approved devices conforming to ASSE 1070. Reference: Sections 416.5 and 607.1.2, IPC 2012. |
| 10/11/2016 | ROBERT SHERRY | MECHANICAL-COMMERCIAL | REVIEW | Reqs Change | 1. The COMcheck Mechanical Compliance certificate was not included in the submittal. [Second comment: Comment not addressed.] [Initial comment: Show that the proposed HVAC system meets the requirements of Sections C403.2, C403.3 (e.g. provide the mechanical energy code compliance certification from COMcheck). Reference: Section C303.1, International Energy Conservation Code 2012.] 2. The occupant densities for rooms B103, B104, B108, B118, B139, B140, and B141are not in agreement with the requirements of Table 403.3, IMC 2012. Room B108 (beauty salon) requires 0.6 CFM per square foot of exhaust. Clarify the reason for supplying 50 CFM to Room B127 (Soiled) and returning 150 CFM; typically, these rooms are exhausted with no return as in rooms A178 and C178 (see also ASHRAE Standard 62.1-2010, Table 6-4). Reference: Section 403.3, IMC 2012. [Second comment: The revised ventilation calculations do not appear to be consistent with the requirements of Section 403, IMC 2012. Show how the required ventilation amounts were calculated for each room.] [Initial comment: Provide calculations demonstrating adequate ventilation using the current code. Reference: Section 403.2, IMC 2012.] |
| 10/18/2016 | DAN SANTA CRUZ | ELECTRICAL-COMMERCIAL | REVIEW | Approved |