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99 Main St HCC 521 Analysis 1.13.19 1 Architecture Planning Interiors Construction Management Ronald John Alex, AIA Principal Barbara Thornton, MCP, MBA Senior Planner 223 Park Avenue Arlington, MA 02476 Tel 617/782/0255 Fax 617/782/-0277 www.BostonBayArchitects.com Helen B. Sittler, AIA, LEED AP Principal Boston Bay Architects, Inc. January 13, 2019 Louis Hasbrouck, Building Inspector City of Northampton 210 Main Street Northampton, MA 01060 RE: Hampshire County Courthouse Mass. State Project No. DCP1828 HC1 Roofing and Envelope Repairs Northampton, MA 01060 Review of 521 CMR – Supplement to July 25, 2018 Building Code Review Dear Mr. Hasbrouck, The following is a summary of the 521 CMR code review for the above referenced project. This review is in addition to the Boston Bay Architects, Inc. (BBA) July 25, 2018 general Code Review. BBA offers the following assessment and recommendation to proceed with the project for permitting. Executive Summary - Beyond normal building permitting, a MAAB variance will not be required. After review of the Old Courthouse building accessibility , the Old Courthouse building is “publicly” accessible through the New District Courthouse connector. The only public entrance for both buildings is the Security Entrance in the New District Courthouse at Gothic Street. - The New Courthouse doors at the street are fully accessible from the exterior and interior. Once inside the building, there is unimpeded route from the Gothic Street entrance doors, through the Security Station along the corridor to accessible elevator. The Old Courthouse south Main Street entrance is kept locked and the side Gothic Boston Bay Architects, Inc. Page 2 of 4 Street entrance is for employees only. The Law Library (public use space) is accessible and has accessible toilet available to library users. - The Old Courthouse building is in public access compliance with 521 CMR. Proposed Scope of Work Exterior Scope includes: - Re roofing - Re-pointing masonry - Exterior painting - Window replacement Interior Scope Includes: - Window wood trim and wood refinishing - Minor Stair Wall Repairs Existing Building Year Built 1886 Architect Henry F. Kilbourn Address 99 Main Street, Northampton, MA 01060 Floor Area (whole building) 20,460 SF Number of Stories 3 1/2 Building Type 3B Masonry and wood frame Applicable Building Code Massachusetts State Building Code 780 CMR (9th Edition) Massachusetts Architectural Access Board Rules and Regulations 521 CMR 2015 International Existing Building Code with MA Amendments (IEBC) 2015 International Energy Conservation Code with MA Amendments (IECC) Review of 521 CMR Building Accessibility 1. Section 26.1 Doors and Doorways, 26.4 Double Leaf Doorways. The new Courthouse Security entrance has two independently operated door leaves that meet the requirements of 521 CMR 26.5, Width and 521 CMR 26.6 Maneuvering clearances. The Gothic Street concrete sidewalk curb cut meets 521 CMR 21.7 Flared Sides, as the sole approach to the buildings Security Entrance. 2. Section 20.00 Accessible Route, 520 CMR. Once inside the Gothic Street entrance the security doors, and the corridor route through the Security Station and immediate corridor is directly accessible to the elevator. Boston Bay Architects, Inc. Page 3 of 4 3. There is accessible 2nd and 3rd floor bridge connector from the New Courthouse elevator to the Old Courthouse passage through accessible door 521 CMR Section 26.5 Width and passage hardware Section 26.11.1 and 26.11.4. The accessible bridge connector allows passage via elevator to Old Courthouse second and third floors. 4. The Old Courthouse third floor courtroom is fully accessible from the elevator through accessible corridor passage 521 CMR Section 26.5 Width and passage hardware Section 26.11.1 and 26.11.4. 5. Public Toilets rooms (Men/ Women) are accessible, and accessible from the Old Courthouse to the New Courthouse. Section 30.1, Location,30.2, Clear Floor Space,30.5,Grab Bars, 30.8, Sink, 30.9.1,Mirror 30.11, Dispensers,30.12. 6. The ground floor Law Library is considered commercial space and is accessible, Section 20.00 Accessible Route, 520 CMR, from street to ground floor, with accessible toilet room. Section 30.1, Location,30.2, Clear Floor Space,30.5,Grab Bars, 30.8, Sink, 30.9.1,Mirror 30.11, Dispensers, 30.12. Section 705.1 Accessibility, General Massachusetts Amendments Accessibility shall be in accordance with 521 CMR AAB Regulations 521CMR (2006) 521 Section 3.3.1 Calculations for 521 Section3.3.1 Assessed Building Value (NIC land) $2,860,000 Full and Fair Cash Value $2,860,00 30% of Full and Fair Cash Value $ 858,000 Value of previous Work in last Three Years $ 491,000 Value of Current Scope of Work $1,787,000 Total Cost of Work (previous Work + Current Work) $2,278,000 521 Section 3.3.2 If the work performed, including the exempted work, amounts to 30% or more of the full and fair cash value of the building, then the entire building is required to comply with 521 CMR. Accessibility Requirements Summary Is the Cost of Work more than 30% of the Full and Fair Cash Value? Yes Is the Cost of Work more than $100,000? Yes Is there an exemption that applies? No Boston Bay Architects, Inc. Page 4 of 4 Evaluation Evaluation of the existing building in accordance with the 9th Edition of the Massachusetts State Building Code CMR780 3401.1 for existing structures was made previously. See Boston Bay Architects Code Review dated July 25, 2018. With the above 521 CMR information addressed for public accessibility in the Old Hampshire Courthouse being true and accurate, I recommend the Building Permit be issued for this project. If there are any questions or corrections, please do not hesitate to call. Sincerely, Boston Bay Architects, Inc. Ronald Alex, AIA LEED AP Principal BBA/ Active Projects/HampshireCourthouse/CoPhase 2/Code review/L.Hasbrouck-521Analysis 1.13.19