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Cc: 'Kurt Wagenknecht' <kurt@kl2architects.com> Subject: RE:Airport Plans Hello Below is the list of responses that we received from K12 Architects on August 11, 2023, in response to the deficiency list provided by the EHD on June 13, 2023.The comments from K12 are in red, and the new comments from the EHD are in blue. I do see that a new set of plans was submitted on October 2, 2023,these comments below are for the previous set of submittals. In the interest of expediency, before I start reviewing the October 2n1 submittal in detail, please let me know if any revisions from the comments below,will impact the sheets that you already submitted on Oct 2nd and I will wait to review it all at once when I receive updated sheets. Please be sure to"cloud" all the plan changed either related to my comments or completely unrelated, identifying changes,this helps with review and speeds up the response. Also, here are the comments that were emailed on 9/28/2023: 1. Provide all certifications for the installer and tester, previously submitted certifications are for the old contractor 2. #1 from the previous deficiency list is still outstanding 4. Need*aRk e-hakS a.Rd overfill calculations 5. T&L1 lists zone 5 as DEF,which is supposed to be single-walled, correct zones. 6. The parts list cross reference lists wrong parts throughout the plans, I will provide some examples once I provide all the comments on Tuesday. Response to comments from August 2023 submittals are in blue: 1. Provide updated service requests and permit applications to remove MVP, this should also include correct billing information and a fire permit number(provide a front page of the approved permit). All appropriate checkboxes and monitoring details should be indicated. We have not chosen a contractor yet. When we have we will update all these forms. EHD: Still need, be sure to include a valid fire permit for thanks installation. 2. Provide ELD workplan This is done by the contractor. EHD: Still need, 3. Provide tank charts and overfill calculations See attached sheets. EHD: We didn't receive this information with the August 11 submittal from K12, however, it appears that we received tank charts with the October 2, 2023 submittal. No overfill calculations were provided and are still needed. Though the exact dimensions may not be known, a sample calculation for the proposed overfill method is still needed. 4. Sheet T&L1 lists 24k/6k tank and Sheet CO lists 20K/6k tank. The cover sheet is new, revised the scope of work. EHD: Sheet CO submitted on 8/11/2023 by K12 lists "THERE IS A 32K TANK, SPLIT 6K FOR DIESEL#2, 24K FOR B20 DIESEL, 6K FOR DEF." Based on 6+24+6, the tank should be 36K, please clarify tank capacities. Sheet T&L1, note 18 lists a 32000-gallon double wall tank 6K DEF/20K diesel/6K diesel, for a total of 32K. This original EHD's comment was not addressed with 8/11/2023 submittal, however, It appears that some revised sheets were submitted on 10/2/2023 and will be reviewed. 5. Identify smart sensor locations on T&L1 sheet See sheet T&L1. EHD: sensors were identified, however, there are some discrepancies between the listed sensors and the parts list. Revised sheets were received on 10/2/2023 and will be reviewed. See below for examples of these discrepancies. 6. Page T&L2 indicates that if people are entering the excavation OSHA notification and a permit is required. Please submit this permit copy for the tank set and anchoring work- if not available yet, this must be submitted before scheduling tank set inspection. Same page detail C6- "1/4"fuel hose capped"—clarify if this is a fuel hose or a vacuum hose. Also on C6 detail "opening through primary wall"—no openings through the primary wall are allowed. Contractor will do this. EHD: Still need. 7. Identify the means to check communication for vacuum monitoring on piping secondary containment on page T&L2, UDC detail. See details EHD: corrected. 2