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Project Location: Total Site Acreage: Existing Impervious Area (Ac): Proposed Impervious Area (Ac): Does this project overlap multiple MS4 jurisdictions? selecting one exclusion below if applicable. SELECT ONE EXCLUSION BELOW ACREAGE OF EXCLUDED IMPERVIOUS AREA □ □ □ □ □ □ □ □ DATE REVISION 9/20/2018 City of Arvada 10/12/2018 City of Arvada 11/7/2018 City of Arvada 9/20/2021 City of Arvada Est. Project Completion Date: □ YES □ NO G) Stream Stabilization Sites Redevelopment 1) May exclude stream stabilization sites H) Trails 1) Includes bike and pedestrian trails 2) Bike lanes are not excluded unless attached to a roadway that qualifies under another exclusion A) Pavement Management Sites 1) The acreage of the excluded impervious area for rehabilitation and reconstruction of pavement that are not maintenance sites. 2) Repair and replacement of pavement not resulting in increase of impervious area 3) Does NOT apply to parking or access to parking B) Excluded Roadway Redevelopment Can be excluded when additional impervious area is: 1) <1 acre per mile of roadway 2) No more than 8.25 ft in width at any location D) Aboveground and Underground Utilities 1) Includes, but is not limited to, activities to install, replace, or maintain utilities under roadways or other paved areas that return the surface to the same condition E) Non-residential and Non-Commercial Infiltration Conditions 1) Complete infiltration of stormwater from an 80th percentile event F) Sites with Land Disturbance to undeveloped Land that will Remain Undeveloped Redevelopment 1) May exclude sites with land disturbance to undeveloped land (land with no human- made structures such as buildings or pavement) that will remain undeveloped after redevelopment. SUPPORTED REASONING / COMMENTS C) Excluded Existing Roadway Areas for Roadway Redevelopment 1) Only the area of the existing roadway is excluded when the existing plus the additional impervious area is less than twice that of the existing roadway Post-Construction Stormwater Management Exclusions Form EXCLUSIONS If disturbance is <1 acre, DO NOT complete this form as NO WQCV measure is required. If disturbance is >1 acre, complete this form by selecting one exclusion below if applicable. EXCLUSIONS Owner Name: Date Submitted: PROJECT AND SITE INFORMATION Project / Site Name: DA Case / Project No.