Case No. TB 21-10/PB 21-09 Regeneron, 555 Saw Mill River Road (P.O. Tarrytown, N.Y.) – Amended Site Plan (Town Board Referral), Town Board Tree Removal Permit, Planning Board Steep Slope Permit & Wetland/Watercourse Permit
A continuation of a work session (June 2, 2021) to discuss an amended site plan (Town Board approval – referral to Planning Board), Town Board tree removal permit, Planning Board steep slope permit and wetland/watercourse permit application involving the proposed development of a temporary area for construction staging and construction employee parking, to facilitate the construction of a new two-story research and development building on the neighboring lot, 777 Old Saw Mill River Road, which is being applied for as Case No. TB 21-06/PB 21-04. The applicant is proposing to develop a portion of the property for use as construction staging and construction employee parking for a period of approximately 5 years, after which the construction staging and parking areas would be removed and the area replanted. The applicant proposes approximately 28,911 sq. ft. of disturbance to 15-25% slopes (STEEP SLOPES), approximately 10,555 sq. ft. of disturbance to 25-35% slopes (VERY STEEP SLOPES), and approximately 14,940 sq. ft. of disturbance to 35%+ slopes (EXCESSIVELY STEEP SLOPES). The applicant proposes approximately 12,718 sq. ft. of wetland/watercourse buffer area disturbance within the 551,837 sq. ft. of wetland, watercourse, and adjacent buffer area on the site. The applicant proposes a total disturbance area of 264,845 sq. ft. (6.08) acres as part of the project. The applicant proposes the removal of 129 regulated trees, requiring a tree removal permit from the Town Board, and has noted that, once this temporary area no longer is needed, it will be restored with trees, shrubs, and groundcovers. The property consists of approximately 1,735,153 sq. ft. (39.8 acres) ) and is situated along the south side of Old Saw Mill River Road, approximately 500 feet west of the intersection of Saw Mill River Road and Old Saw Mill River Road. The property is located in the PED Planned Economic Development District, and is designated on the tax map of the Town of Greenburgh as Parcel ID: 7.71-6-2.2.