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Ms. Rachel Juba <br />November 3, 2022 <br />Page 2 <br />7. Per RCWD Rule C.6.d.2 if infiltration is feasible onsite, onsite volume control through either <br />infiltration or water reuse must be used to provide the required water quality volume. If it not <br />feasible for infiltration to provide all of the required water quality volume and alternative BMPs <br />are proposed to provide water quality volume, it must be documented why that is the case. It <br />should be noted that the site appears to be located within a high vulnerability DWSMA which <br />requires a higher level of engineering review for infiltration to confirm infiltration will not cause <br />negative impacts on groundwater. <br />8. Rate control and freeboard requirements are shown to be met with the current design but <br />should be confirmed once comments on water quality have been addressed. <br />9. Drainage and utility easement should be shown over the proposed stormwater management <br />basins and access pathways to the basins. <br />10. A maintenance agreement will be required for the stormwater management facilities. <br />11. Water reuse on this site is not intended, nor practical given the site characteristics. <br />12. Stormwater plan and model comments have been provided to applicant and will need to be <br />addressed in future submittals for documentation and permitting purposes. <br /> <br />Wetland <br /> <br />13. 0.39 acres of wetland impacts are proposed with the project. A replacement plan application <br />was submitted on September 27, 2022. Comments were received by the TEP and the <br />applicant is currently working to address those comments. <br /> <br />Thank you for the opportunity to provide comments on this project. Additional comments may be <br />necessary following the review of the responses to these. If you have any questions, please do <br />not hesitate to contact me at 651-286-8463. <br /> <br />Sincerely, <br /> <br />WSB <br /> <br /> <br /> <br />Mark Erichson, PE <br />City Engineer <br /> <br />cc: Scott Anderson, Public Works Director (email only) <br /> Liz Finnegan, Senior Engineering Technician (email only)