We are a group of petrographers, chemists, and materials scientists that specialize in the analysis of historic North American masonry and concrete materials. Highbridge supports architects, conservators, and other masonry professionals engaged in repairs or restoration of historic buildings. Our services include mortar analysis in full accordance with ASTM C1324, and brick testing for basic classification through data determination for hygrothermal modeling. We also perform stone characterization and mechanical/durability evaluations for candidate replacement materials.
Lyssa Papazian holds an MS in Historic Preservation, meets the National Park Service’s qualification standards, and is on regional pre-qualified lists of historic preservation consultants. Her firm specializes in preservation planning, funding, regulation, documentation, and architectural history. She has been working professionally in the field for the past 30 years and has served municipal, non-profit, institutional, and private clients in VT and NH since 1998. She has listed 25 properties on the National Register; secured historic tax credits for 37 properties; stewarded dozens of projects through the state and federal regulatory process, and led community development projects using preservation for revitalization.
Mary Jo Llewellyn holds M.S. degree in Historic Preservation from the University of Vermont and has worked professionally in Vermont for over 30 years. Her work includes survey and inventory of historic resources, review of the impact of federal and state-funded projects on historic resources, Historic Structures Reports, Reinvestment Income Tax Credit applications, Photographic Documentations/Historic Resource Documentation Packages, National Register nominations, historic paint analysis and color consultation. She meets the National Park Service’s qualification standards and is included on several State of Vermont listings of pre-qualified historic preservation consultants.
Merrimack Design Architects has been providing comprehensive architectural services for residential, institutional, and commercial clients throughout the northeast since 2007.
We listen carefully to our clients to de- sign contextual and harmonious architecture, responsive to program needs and budget.
We specialize in preservation and adaptive reuse of historic buildings, retaining distinctive architectural features, and embodied energy, while seamlessly integrating old and new.
Our work is grounded in architectural history, traditional design composition and proportion, technology, and craftsmanship.
We advocate for environmental sustainability and social equity through community action, smart growth, and new urbanism.
Polly Seddon Allen Historic Preservation Consulting Services is a Vermont-based independent consulting practice specializing in architectural review services in support of cultural resource compliance and community historic preservation efforts. Senior Architectural Historian Polly S. Allen has two decades of experience in developing comprehensive historic contexts and historic site documentation, evaluative documents, and effects analysis in support of both Federal and State regulatory frameworks. The firm is committed to working with Vermont individuals, communities, and businesses in the stewardship, management, and celebration of the state's historic built environment resources and landscapes.
VHB’s Vermont Cultural Resources Group of four preservation planners is the largest cultural resources management team entirely based in Vermont. The team works on a wide range of projects including NR nominations, SR/NR eligibility determinations, documentation reports, historic tax credit applications, building histories, oral histories, and Section 106, Section 248, Section 4(f ), and Act 250 reviews. Clients include municipalities, state and federal government agencies, academic institutions, developers, non-profit organizations, and utility companies. VHB’s Vermont offices are home to 80+ engineering, planning, and environmental professionals who work to improve mobility and enhance communities while embracing environmental stewardship.