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HomeMy WebLinkAboutCorrespondenceFrom: Bob Bleich <bbleich@crossroadengineers.com> Sent: Friday, March 19, 2021 8:22 AM To: jthomas@carmel.in.gov; Alex Jordan; Willie Hall; Huff, Brett Subject: Courtyards of Carmel Section 1 Categories: External All: The following is a brief summation of our conversation from Wednesday, March 17, for the referenced project. The red text is from Willie’s follow up with Jeremy. · Per Brett, KIMLEY-HORN they will submit a master plan as a part of Sec 1. · Willie to discuss w/ Jeremy the “mini” roundabout design. Jeremy has provided the mini-RAB design to us and we will review for conformance on the next submittal. · KIMLEY-HORN discussed cutting off the Sec 1 limits at north end of lot 7 extended to include the amenity area parking. · Concern over long-term erosion from the Amenity Parking Lot was discussed. Would like to see captured into a structure or stabilize / armor appropriately. The Amenity area will need to be treated by 2 BMP measures. May consider sump/snout structure for second BMP for amenity parking area, or area could drain to an appropriately designed bioretention swale. Again, entire amenity area will need treated by 2 measures. · John to check on floodplain study for Keystone culvert. Willie reiterated that the study should include the 100-year for both the existing conditions as well as post-construction conditions. · Accel/decel lane – slip lane - plans by A&F have been discussed outside of this project with Jeremy. Per discussion with Jeremy this is ongoing · Path location along west side – KIMLEY-HORN is looking to move the path out of the row of trees along the edge of the Keystone right-of-way and are considering a retaining wall along pond to move path further east. · Existing depressional storage at west side (Keystone R/W) – KIMLEY-HORN to evaluate any impacts to allowable release rates · Temp 2 basin will be a wet pond. KIMLEY-HORN will revise to take outlet btwn proposed lots to pond 1. · Consent to encroach for signage – through Jarrod Huff w/ Carmel. Put language on plat to be maintained by project. John/Alex to check on process. · Recommended to install the designed culvert/road crossing of the UNT up front during initial construction. Otherwise, Carmel would like to see some type of temporary crossing detail · Pond aeration – submersible bubbler/aerator is okay. Needs to meet the standards of the STSM. · Comment on casting elevation/type – this information was confirmed to be shown in the plans already · John acknowledged that the use of adequately designed grass paver for detention safety ramp will be okay. Please let me know if there are omissions or discrepancies in the summation above. Thank you. Robert A. Bleich O (317) 780-1555 x 143 CROSSROAD ENGINEERS, PC 3417 Sherman Drive Beech Grove, IN 46107 crossroadengineers.com Facebook | Linkedin Proudly serving our clients since 1995 SURVEYOR'S OFFIC 7Centon C. GYlard, CF7b[ .Surveyor of Marnitton County 4'hone (317) 776-9495 Fax (317) 776-962g 3/18/2021 IGmley Horn RE: The Courtyards of Carmel ftze ( � - 0 Suite Igg One .Hamilton County Square 7Voblesidle, Indiana 46o6o-2230 We have reviewed the construction plans submitted to the Hamilton County Stuveyor's Office on March 18, 2021, for this project and have the following comments: 1. The project falls in the incorporated area and MS4 jurisdiction of the City of Carmel. 2. The proposed project DOES fall in a Carmel Wellhead Protection Zone, 3. The proposed project falls in the Cool Creek Regulated Drain Watershed. a. Please submit physical plans, drainage calculations and operations manual to our office. 5. Any tiles located during construction will need to either be removed or tied into the proposed infrastructure. Tiles entering the property from offsite land must be perpetuated. 6. Please note, additional comments may be warranted at a later date. Should you have any questions, I can be reached at Samuel.dark@hamihoncounty.in.gov Sincerely, A2 Sam Clark Plan Reviewer