99 Main St CodeReview 18.07.25
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.
July 25, 2018
CODE REVIEW
HCG Hampshire Courthouse- Roofing and Envelope Repairs, Northampton, MA
Phase 2
MA State Project No. DCP1828–HC1
Old Courthouse
99 Main Street
Northampton, MA 01060
Proposed Project: Roofing Replacement and Exterior Envelope Repairs
1.1 Project Area: Roofs and existing masonry walls on limited area (South portion of the
historic building including tower and east and west wings) of the historic courthouse;
replacement windows in same limited area of the historic courthouse.
1.2 Building Location: 99 Main Street, Northampton, MA 01060
1.3 Description IEBC 503, Level 1 Alteration. The removal and replacement of materials,
equipment or fixtures using new materials, elements, equipment or fixtures that serve
the same purpose: Roof replacement, masonry wall repointing, window replacement.
2.0 Existing Building Conditions and Chapter 34, IEBC
2.1 Use Group (IBC310) B
2.2 Construction Type (IBC 602), Table 601: Type 2B, No Change
2.3 Classification of Work (503): Level 1
2.4 Historic (IEBC 508): Yes
2.5 Interior Finishes (IEBC 702.1); No Change to Interior Finishes
2.6 Fire Protection (IEBC 704.2.2): No Change to existing; Unsprinklered
2.7 Means of Egress (IEBC 704.1): No Change to existing means of egress
2.8 Accessibility (IEBC 705): The Building is accessible:
2.8.1 Entrance: Main Entrance (required entrance for all parties entering the building
is on Gothic Street; Security check required) is Accessible;
2.8.2 Full functions of the building, including courtrooms and toilet rooms, are
accessible via elevator; Tower, where masonry repairs and structural
reinforcements are to be performed, is not a ‘habitable space.’
Boston Bay Architects, Inc.
Old Hampshire County Courthouse
DCP1828 HC1
Page 2
2.9 Reroofing: (IEBC 706):
2.9.1 General (IEBC 706.1): Replacements are like materials are slate and
terra cotta tile.
Slate roof pitch is approximately 18:12; Slate shingle headlap=11-1/4”.
Terra Cotta tile roof is approximately 29:12; Clay tile headlap=7”
Double underlayment application called for
2.9.2 Although original material is being removed and replaced with new, like
material, structural reinforcement of tower roof is included in the work;
see structural drawings
2.9.3 Flashings are copper, and are new.
2.10 Structural (IEBC 707):
2.10.1 Replacement of Roofing (IEBC 707.2) There is no change in gravity load
of roofing materials; despite this, structural reinforcement of tower roof is
included in the scope of work of the project
2.10.2 Roof Diaphragms (IEBC 707.3.2): Tower roof diaphragm and
connections
are being upgraded under the scope of the project. See structural
drawings.
2.11 Energy Conservation (IEBC 708): Roofs undergoing replacement are over
separate, uninhabited spaces.