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Engineering_2nd review_06-13-12 North Country Office 100 Glen Street, Glens Falls, NY 12801 P: (518) 812-0513 F: (518) 824-8391 www.chazencompanies.com Hudson Valley Office (845) 454-3980 Engineers Environmental Professionals Capital District Office (518) 273-0055 Land Surveyors Landscape Architects Planners June 13, 2012 Mr. Craig Brown Zoning Administrator and Code Compliance Officer Town of Queensbury 742 Bay Road Queensbury New York 12804 Delivered via email only: CraigB@queensbury.net Re: Enterprise Rent-A-Car  Site Plan Review Town of Queensbury, Warren County, New York Chazen Project # 91204.07 Queensbury Ref No: Site Plan 19-2012 Dear Mr. Brown: The Chazen Companies (Chazen) has received the latest submission package from your office regarding a site plan application for the above referenced project. A previous review of this project was completed on April 4, 2012. However, the proposed design has changed significantly. As such, the Applicant has not provided a response letter to previous comments. Any comments that still apply to the current design have been repeated herein. Submitted information includes the following: Site plan entitled, Site Plan Documents for Enterprise Rent-A-Car prepared by Bohler Engineering, LLC; A drainage report prepared by Bohler Engineering, LLC; Building plan entitled, Covered Wash Area - Enterprise Rental prepared by Hoffman and Riley Architects Your office has requested that we limit our review to the design and sediment control items as it relates to compliance to local, state or relevant codes Based on our review of the information provided, Chazen offers t consideration: Stormwater Management & Erosion and Sediment Control: 1.The proposed site improvements disturb less than 1-acre of land and will not be subject to NYSDEC Phase II Stormwater Regulations. However, Section 179-6-080 of the Town Code states that stormwater drainage plans shall analyze the impacts of a project using at least a 50-year return interval storm for commercial projects. The applicant has provided a drainage report with stormwater analysis. Town of Queensbury Site Plan 19-2012 Enterprise Rent-A-Car June 13, 2012 Page 2 However, the Applicant has not analyzed the required 50-year return interval storm. The Applicant shall provide appropriate calculations for conformance with this requirement. 2.The proposed improvements involve trenching of sewer within an e of grass block pavers, and the construction of a stormwater infiltration basin. It can be assumed that these operations may produce sediment, which has the potential t runoff. As such, the Applicant shall provide an erosion & sediment control plan for construction. At a minimum, the Applicant shall implement the use of silt fence downgradient of the proposed disturbances. The Applicant shall revise the plan to include a construction de material specifications and maintenance requirements, in accorda Specifications for Erosion and Sediment Control. 3.The Applicant has included an exfiltration rate of 5 in/hr within the proposed bas practice is acting as an infiltration device. The Applicant has two percolation tests within the limits of this practice. However, in accordance with Section 6.3.1 of the NYSSWDM, the Ap also perform a deep test pit to confirm adequate separation from bedrock (minimum 3-feet). 4.Stormwater devices which utilize infiltration require a 100-foot setback from existing water bodies. The edge of halfway brook shall be shown on the site plan to ensure 5.The Applicant shall provide a construction detail for the propospavers. This detail shall include detailed material specifications, as well as maintenanceThe Applicant shall also provide additional detail regarding the calculated green space v pavers. It is the policy of the Town of Queensbury that all permeable paver systems be minimum 50% impervious. If the calculations performed to date de land cover statistics used in the stormwater model shall be updated to meet the minimum requirement. 6.This system will require installation of the Oil and Sediment Interceptor an the existing pavement. If the project intent is for the existing shall provide a detail for pavement restoration of the required utility trench, for the contractors use during construction. R:\9\91200-91299\91204.00 -Town of Queensbury PB Engineer\91204.07 -SP 19-2012-Enterprise Rent-A-Car -Nace\SP 19-2012 Enterprise 06-13-12_L2.docx Town of Queensbury Site Plan 19-2012 Enterprise Rent-A-Car June 13, 2012 Page 3 Conclusions and Recommendations It is our opinion that the applicant should provide clarificatio changes in subsequent plan submissions. If you have any questions regarding the above, please do not hesitate to contact me at (518) 824-1926. Sincerely, Sean M. Doty, P.E., LEED AP Senior Project Engineer cc: Pam Whiting, Town Planning Office Administrator (via email) Keith Oborne, Town Planner (via email) Joel Bianchi, P.E., Senior Director - Municipal Engineering (via email) File R:\9\91200-91299\91204.00 -Town of Queensbury PB Engineer\91204.07 -SP 19-2012-Enterprise Rent-A-Car -Nace\SP 19-2012 Enterprise 06-13-12_L2.docx