3333 NASSAU ST 2024-08-07 - Laserfiche WebLink

Norton Ave SFR-CAR&Mitigation Plan The following sections provide an outline of identified critical area impacts and proposed mitigation measures intended to off-set these impacts. All critical area, impact,and mitigation areas are found in Appendix B. 4.1 Proposed Impacts The proposed project has minimized critical area impacts to the greatest extent practicable. The house design and placement has been sized and oriented on the site to minimize encroachment into the buffer. A total of 3,232 SF of buffer area will be permanently impacted to allow for the construction of a new single family home. The impact areas are dominated by Himalayan blackberry,bindweed,and Japanese knotweed. The proposed project should not result in a discernible cumulative impact to wetland or buffer areas. The adjacent properties have been previously developed with single family residences. The proposed enhancement outlined in the following section will result in an increase in local functions and values as a result of the proposed project due to the degraded conditions of the existing buffer. 4.1.1 Reasonable Use Review Criteria The following section is a narrative statement describing how the proposal is consistent with the reasonable use review criteria. The entire parcel area is encumbered by wetland and buffer area with the exception of 1,495 SF located in the southern portion of site. The proposed project is the minimum necessary,while still allowing the construction of a modest single family home in the R-1 zoning. The location of the proposed home is on the southern portion of the site,which minimizes impacts to buffer areas. The subject site is an existing legal lot of record that is not a result of the applicant. The proposed project should not pose a threat to public health,safety on or near the subject site. Proposed mitigation for the project impacts includes removing existing garbage and debris on the site and within the wetland buffer. Also,the existing dominant invasive vegetation will be removed and native trees and shrubs will be installed within the buffer area. 4.2 Proposed Mitigation Measures The proposed permanent buffer impacts associated with this project will be mitigated for through the enhancement of the remaining buffer area on-site or 10,177 SF. An additional 427 SF of upland area will be preserved as buffer and enhanced. The enhancement will include removal of existing invasive vegetation and garbage/debris and installation of native trees and shrubs. More specifically,the following efforts are proposed: 1. Invasive plants(predominantly Himalayan Blackberry)will be removed from the on-site buffer area. 2. Jute matting will be placed throughout the area where invasive plants are removed to prevent erosion. 3. Native trees and shrubs will be planted throughout the buffer area. 4. An erosion control seed mix will be applied to the on-site buffer area to reduce future erosion risk. 5. A split-rail fence and appropriate signage will be installed along the on-site buffer edge. Table 2:Mitigation plant list and spacing requirements :a: .. ,:16