03/13/2024 PZ Combined Packet - Laserfiche WebLink

Home Search

Ms. Katie Larsen 03/06/2024 Page 2 Lino Lake Tech Center Engineering Review 1.Provide a grading plan meeting City requirements. (Amcon 11/13/2023) Understood, Civil drawings will be provided for the full Site & Building Plan Submittal after this Concept Submittal approval. (WSB 11/29/2023) To be reviewed at the time of full submittal (WSB 3/6/2024) Submitted 2.The applicant shall note that site grading work shall be done in accordance with the approved MPCA Response Action Plan (RAP) and Contingency Construction Plan (CCP). Provide updated documentation regarding the current state of the RAP. (Amcon 11/13/2023) A copy of the RAP & CCP document, dated Aug. 27, 2018 is included for your review. The owner did have the site cleaned up, please refer to City of Lino Lakes Permit #2021-02485. Junk & debris that had been dumped on the site was removed & existing concrete debris was properly recycled. Amcon (2/6/2024) We have engaged Braun Intertec to perform a Soil Vapor Investigation. We are requesting that the Planning Commission & City Council have this as a condition of approval. See attached EXHIBIT #3 to review Braun Intertec’s proposal and timing to perform this work. (WSB 3/6/2024) the RAP & CCP MPCA approvals should be provided to the City prior to City Council approval. 3.(WSB 3/6/2024) Applicant to revise slopes on BMP to a maximum of 3:1. 4.(WSB 3/6/2024) Applicant to call out EOFs of all low points to ensure appropriate freeboard is provided to proposed and existing structures. a.Minimal freeboard (1') between FFE (903.50) and EOF (902.5) for the catch basin on the east side of the building. i.Care will need to be taken that this area is not blocked with snow (shown as snow storage) during thawing/ periods of heavier rain. 5.(WSB 3/6/2024) Correct the direction of the flow arrows shown on the storm sewer pipes. 6.(WSB 3/6/2024) Verify the amount of drainage being contributed from the existing storage area to the north of the site. •Stormwater Management The stormwater management for the Lino Lakes Tech Center consists of the installation of storm sewer structures and pipes to convey the site’s runoff to a new BMP (basin) on the west side of the parcel. The runoff is generated from the one 36,040 square foot storage building and associated driveway and parking that is proposed to be constructed on the site. The development of the site will result in 0.156 acres of reconstructed impervious, and 1.329 acres of new impervious for a total of 1.485 acres of total impervious. Comments: 1.The applicant shall provide an updated Stormwater Management Report demonstrating the appropriate sizing and treatment for the expansion. (Amcon 11/13/2023) Understood, Civil drawings will be provided for the full Site & Building Plan Submittal after this Concept Submittal approval. (WSB 11/29/2023) To be reviewed at the time of full submittal.