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Permit Review Detail

Permit Number: T20CM00007
Parcel: 12405007B

Review Status: Completed

Review Details: RESUBMITTAL

Permit Number - T20CM00007
Review Name: RESUBMITTAL
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
04/20/2020 ROBERT SHERRY MECHANICAL-COMMERCIAL REVIEW Reqs Change 1. The ventilation calculations use a zone air distribution effectiveness (Ez) of 1.0 but a system with ceiling supply and ceiling return has an Ez of 0.8 with gas heat. The supply air to the restroom is not included in the ventilation calculations and the required exhaust from the restroom is not specific (98-130 CFM?). [Second comment: Revise the ventilation calculations using the actual amount of supply air from the two AC units. Specify the outside air flow rate for each unit.] [Initial comment: Provide calculations to verify that adequate ventilation will be provided for the occupied spaces. Reference: Section 403.3, IMC 2018.]
2. Provide the dimensions for the grease exhaust ducts. [Second comment: Coordinate the submitted hood specifications with the hood description, required flow rate and dimensions on the drawing. [Initial comment: Provide specifications for the proposed Type I hood. If the hood is no longer listed, provide exhaust flow rate calculations based on Section 507.5.2, IMC 2018. Reference: Section 507.1, IMC 2018.]
3. Provide the dimensions for the makeup air ducts. Clarify the makeup air units - two are suggested on the roof plan but only one makeup air flow rate is given. Are the makeup air units heated, cooled, or evaporatively cooled? Based on the air flow rate data, the suite is nearly 1,000 CFM negative; show how the suite is to be balanced. [Second comment: What is the design flow rate for the makeup air unit? Show the size and route of the supply ducts and the connections to the external supply plenum attached to the front of the hood. Explain the relevance of detail 4/A1.3 to this activity; are you planning to install an Accurex fan on a Greenheck curb?] [Initial comment: Provide adequate make-up air for the kitchen exhaust hood and provide specifications for the make-up air equipment and ductwork. Reference: Section 508.1 IMC 2018.]
4. The mechanical notes on A1.3 calls out two 5-ton AC units with gas heat but the gas table on P1.2 calls out two 10-ton AC units. [Second comment: Comment not resolved. You show one unit supplying 780 CFM and the other supplying 720 CFM but you indicate that units on this building are 10-ton units which supply 4000 CFM each. Verify the capacity of the existing rooftop units.] [Initial comment: Clarify the new air distribution system. Is one rooftop unit providing the supply air? How is the air returning to the HVAC unit(s)? Reference: Section 107.2.1, IBC 2018.]
04/20/2020 ROBERT SHERRY PLUMBING-COMMERCIAL REVIEW Reqs Change 1. Position the gas shut off valve upstream of the sediment trap. [Second comment: Provide a shutoff valve for the cold water supply to the water heater. Provide a shut off valve and a sediment trap for the gas service to the water heater. Reference: Section 606.1 (8), IPC 2018 and Section 408.4, IFGC 2018.] [Initial comment: Provide a detail of the water heater installation, including the excess pressure relief, expansion tank, vacuum relief or other anti-siphon device, and valves. Reference: Sections 503.1, 504, 606.1 607.2, and 607.3, IPC 2018.]
2. Note: a floor sink may accommodate more than one indirect drain if it is properly sized (e.g. indirect drains from both P-6 and P-7 can discharge into a single floor sink). [Second comment: Comment not addressed. P-6 is shown with direct connections.] [Initial comment: Provide separate indirect waste pipes for each compartment of P-6, the 3-compartment sink, to protect against cross-contamination or fouling. Reference: Sections 801.2 and 802.1.1, IPC 2018.]
3. Trench drains are a plumbing fixture, not a channel through which the building drains flow. Consult with a manufacturer's representative for installation instructions. All traps must be vented using one of the methods shown in Chapter 9, IPC 2018. [Second comment: The specified trench drains are channels with outlets installed at an end cap or alongside the channel to which a trap is attached. Consult with a manufacturer's representative for installation instructions.] [Initial comment: Provide traps for the trench drains. Reference: Section1002.1, IPC 2018.]
4. Show the vent for the grease trap on the plumbing plan. [Second comment: Comment not resolved; provide a vent on the downstream side of the grease interceptor.] [Initial comment: Provide a vent downstream of the gravity grease separator to protect the seal for the grease separator. Reference: Section 1003.9, IPC 2018.]
5. See Section 708, IPC 2018 for cleanout location information. [Initial comment: Show the pipe sizes and cleanout locations on the revised waste riser diagram. Reference: Section 107.2.1, IBC 2018.]