Peggy Liu is a Registered Architect with two decades of professional experience in architectural design, construction, and project management. Her experience includes a wide range of building and facility types, from single-family residences, high-rise construction, mixed-use buildings, and multi-residential and commercial occupancies. Peggy applies her expertise to forensic casework involving premises liability disputes, construction claims and flood damage claims in flood hazard areas.
Peggy spent a decade working for the New York City Department of Buildings, culminating as a Code Development Architect. As such, she is well-versed in building and construction codes as they apply to housing, hotels, and commercial properties. Peggy was also a subject matter expert in flood zone compliance and is proficient in FEMA regulations for management of flood hazard areas. Throughout her professional career, Peggy has held the roles of principal architect, project manager, and architectural designer. Having overseen projects from initial concept through completion, she has in-depth knowledge of the building industry and the relationship between design elements within the built environment and safety and accessibility. Peggy’s forensic casework examines disputes related to large scale projects, as well as safety concerns over smaller individual design elements such as walkways, stairs, handrails, and lighting.
Peggy earned her Master of Architecture degree from New Jersey Institute of Technology and holds a Bachelor of Science, double major in Management Information Systems and Marketing from New York University’s Stern School of Business. Peggy is certified by the National Council of Registration Boards (NCARB) with registrations in New Jersey and New York. She is also an ASFPM Certified Floodplain Manager (CFM).
Associate2023 to present
Provide technical investigations, analysis, reports, and testimony for failure analysis, and towards the resolution of commercial and personal injury litigation involving slip, trip, and fall injuries; construction materials failures; code compliance issues; construction claims; and professional liability. Services include:
Walkway Safety: Measurement and analysis of stair geometry and construction; single steps; misalignments of walking surfaces; gratings; sidewalks – obstructions and maintenance; unmarked sloped areas.
Human Factors: Body movements and forces imparted during walking, use of stairs, slipping, tripping, and falling, human interaction with the built environment.
Issues for Special Users: Barrier-Free standards, Americans with Disabilities Act (ADA) guidelines, access for persons with disabilities, special requirements for the elderly and children of various age groups.
Building Safety: Codes, standards; lighting levels and uniformity; unprotected openings in floors and walls; guard rails; glass and glazing.
Conspicuousness of Hazards: Placement, effectiveness, and illumination of warnings; signage; color and contrast of adjacent materials.
Building Failures: Foundation cracking, settling, or failures due to soil conditions, grading, and water intrusion; roof and wall collapses; construction means and methods.
Construction Materials Failures: Water intrusion related issues; brick, stone, and concrete spalling; gutter and flashing system failures; roofing system failures; expansion joint failures; sealant and caulk system failures, window system failures.
Building Design and Planning: Building codes and standards; means of egress; security; retrofitting requirements, access for persons with disabilities; New York City building codes and code compliance for new and existing buildings and building alterations.
Site design and Planning: Site planning; zoning; grading and drainage; control of storm water; parking lots; access for persons with disabilities.
Technical Advisor to the revisions of the NYC Construction Codes, which include the NYC Electrical Code, NYC Existing Building Code, and the 2022 NYC Building Code. Review and determine acceptable means of alternative compliance constructions in the areas of Means of Egress, Fire Protection, Modular Construction, Flood Hazard Mitigation construction, and Zoning. Co-author various Technical Building Bulletins and Construction Advisories to clarify the application and interpretation of building codes, zoning resolution, department operations processes and construction practices. Provided technical research on zoning and building code implications and possible barriers for special projects which included: Conversion of office buildings to residential; Conversion of hotels to residential; Legalization of basement apartments. Conduct technical reviews of proposals for new bills affecting NYC constructions, as proposed by NYC council members. Assist the NYC Floodplain Administrator in reviewing flood hazard mitigation projects, LOMA, CLOMA, and LOMR-F application packages. Perform site investigations, report findings, and recommend corrective actions as needed to ensure public safety in building safety incidents. Represent the Department of Buildings in various interagency task forces and initiatives, including: 2024 NYC Hazard Mitigation Plan; Humanitarian Emergency Response and Relief Centers as per NYC Mayor's Emergency Executive Order; New York City Environmental Justice Study (EJNYC) as per NYC Local Law 60 and 64; Standing Water Task Force.
Assistant Chief Plan Examiner – Manhattan Borough 2017-2019
Supervised a team plan examiners in reviewing construction permit applications for code compliance in the focused areas of Fire Protection, Egress, Zoning, Accessibility, and Energy Code Compliance in the borough of Manhattan. Conducted quality assurance of plan examinations to department standards. Resolved public inquiries on construction compliance, permit process, and plan examination. Coordinated the Manhattan Plan Examination Audit program. Trialed code non-compliance issues and assigned audit assignments to a group of 6 auditors.
Sustainability Coordinator 2015-2017
Conducted a pilot study to determine the most efficient and effective way to expand the energy code enforcement program as an initiative to reduce greenhouse gas emissions. As the sustainability coordinator, I co-directed the execution of the pilot program along with my counterpart that was responsible for the inspection portion of the pilot project. My responsibilities included: Managing and training of plan examiners to review construction permit applications for energy code compliance of alteration/renovation projects throughout NYC; Developing and executing a project plan for a 1-year pilot program to assess the current energy code compliance of alteration/renovation projects; Collaborating in writing the pilot program compliance assessment report for the city. The report highlighted pilot program development challenges, overall compliance metrics, and provided recommendations for future implementation of an effective permanent plan examination program.
Sustainability Plan Examiner 2013-2015
Plan Examiner for New Buildings, focusing on compliance with the New York City Energy Conservation Code. Review projects covering a wide range of building typologies, including single-family detached homes, high-rise constructions, mixed-use buildings, and residential and commercial occupancies.
Principal Architect2019 to present
Provide architectural design, zoning and building code consulting services.
Project Manager2010 to 2013
Provided architectural support in a variety of project types, including Schematic Design, Design Development, and Construction Documentation. Projects included: Loft conversion to mixed-use retail and multiple dwelling occupancy building with penthouse addition; Interior fit-out of commercial spaces, including a drinking and eating establishment, cabaret, and retail use.
Architectural Designer2008 to 2010
Provided architectural support in various project phases, including Schematic Design, Design Development, Construction Documentation, and Construction Administration. Projects included: Construction of a new restaurant which received an AIA ENY Award; multiple DHCR funded affordable housing projects. Schematic design of 70-unit active senior residential community. Construction documentation of interior fit-out of strip mall spaces for national retailers.
Intern Architect2007 to 2008
Provided architectural support, including the production of construction documents and presentation materials. Worked on the interior and exterior 3D renderings of Rutgers University's new dining hall and student center renovation.
Project Manager2005 to 2007
Managed multiple dwelling projects from Schematic Design to obtaining a Certificate of Occupancy. Provided site and zoning analysis, design, drafting of construction drawings, and facilitated the process of obtaining building permits. Assisted in coordination, drafting, 3D modeling, and site surveys for larger projects.
CAD Operator2004 to 2005
Provided architectural drafting support, site surveys, and preparation of interior fit-out construction documents for the Men's Wearhouse studio at an integrated architecture and design firm specializing in retail, automotive, corporate interiors, food service, commercial, and fitness & health.
Teaching Assistant2002 to 2004
Part Time Internship2002 to 2003
Provided office support at a full-service architectural firm specialized in justice facilities.
Swaps / Derivatives Business Systems Analyst1997 to 1999
Telecom QA Specialist1996 to 1997
Master of Architecture, New Jersey Institute of Technology, Newark, NJ
Bachelor of Science, Information Systems, New York University, Stern School of Business, New York, NY