LICENSURE

Professional Engineer in New York and New Jersey


EDUCATION

B.S. Civil Engineering, University of New Hampshire, 1981

M.S. Historic Preservation, Columbia University, 1987


EXPERIENCE

Ms. Ennis has over 20 years of experience as a consulting structural engineer. She has in-depth expertise in the evaluation, repair, strengthening, and alteration of existing structures as well as the design of new buildings.  She is a member of a number of professional engineering and preservation organizations, including the American Society of Civil Engineers (ASCE), The Structural Engineering Association of New York (SEAoNY), The Association for Preservation Technology (APT), and Preservation Alumni.  She has lectured at Columbia University and the University of Pennsylvania, presented at conferences, and has authored articles for technical publications and professional societies.


Marie Ennis, PE Engineering & Preservation Consulting, 2004 to 2007.

  1. • Federal Hall National Memorial, New York, NY: Structural repairs and complete renovation of this 1842 marble landmark on Wall Street including underpinning, masonry strengthening, and stitch pinning structural cracks for the National Park Service

  Sandy Hook National Recreation Area, Fort Hamilton, NJ: Structural assessment of concrete and embedded steel, recommendations for repairs, and budgeting for three late nineteenth century military structures for the National Park Service• Ellis Island Ferry Building, Liberty State Park, NJ: Restoration of the c1932 building’s exterior and renovation of the interior for interpretive space and exhibits including extending utilities from the north side of the island, investigation of pile foundations, structural repair concrete floor and roof slabs and the insertion of a new floor level to house mechanical equipment

  1. • The Massachusetts State House Library Study – Peer Review, Boston, MA: Performed an in-depth peer review of an engineering firm’s proposal to assess the structural capacity of the library to study the feasibility of use changes; provided the State with an alternative approach implementing nondestructive testing, a reduced number of destructive tests, and historic technical data for the study

  2. •  The Fleming Smith Warehouse, New York, NY: Assessment of embedded steel in the brick and brownstone façade of a National Register and Tribeca landmark building with recommendations for remediation, and subsequent monitoring during adjacent construction

  3. • The Maine Bank and Trust Building, Portland, ME: Repair and restoration of the limestone façade of a ten story c1910 landmark bank building including assessment of embedded steel, dismantling and reassembly of portions of the façade, and in-situ stone pinning repairs

  4. • St. Elizabeth Seton Shrine, New York, NY: Structural assessment and identification of areas to be monitored during blasting for the new South Ferry subway station; the building is a local, State and National landmark


Einhorn Yaffee Prescott, Architecture & Engineering, PC, 1995 to 2004, Principal and Board Member.

  1. • Lincoln Memorial, Washington, DC:Coordinated non-destructive testing that was part of the full assessment of the monument, which has over 8,000 pieces of cut limestone and marble

  2. • Ellis Island, Liberty State Park, NJ: Stabilization of the three main hospital buildings on the south side, and the Psychopathic Ward, including assessment and reinforcement of corroded steel roof trusses

  3. • Harvard University, Cambridge, MA :Feasibility study for major renovations to the historic Widener Library to address environmental and fire protection upgrades for the long-term protection of the collection (3.5 million volumes) and the exploration of possible expansion opportunities; included assessment of cast and wrought iron stacks

  4. • MIT Main Group Facade Study, Cambridge, MA: Assessment of ten interconnected historic early 20th century buildings for MIT that included "hands on" investigation of limestone masonry and anchorages, steel frame windows, and nondestructive testing to assess masonry conditions, with implementation of prioritized repairs

  5. • The Cloisters Museum, The Metropolitan Museum of Art, New York, NY: The Cloisters Museum, a branch of the Metropolitan Museum of Art, constructed c1938, is a NYC landmark and is on the National Register of Historic Places.  The project included repair of the clay tile roof, replacement of the glass block skylight, and redesign of the original lay-light and lighting for the 12th Century St. Guilhem Gallery

  6. • The Old Iowa Capitol Building, Cedar Rapids, IA: Reconstruction of the forty foot high cupola and bell tower after the original was destroyed by fire; the replacement utilized heavy timber framing that was fabricated off site in three sections and set in place on top of the building using crane

  7. • Princeton University, Princeton, NJ: $15 million renovation of Blair Hall, a 230-bed residence hall, including the removal of bearing walls and lowering of grade slabs to create usable space

  8. • Montezuma Castle, Montezuma, New Mexico: Adaptive use of circa 1886, 90,000 s.f. monumental structure to support multiple uses; structural work included in-situ repair of sixty foot long timber trusses to allow removal of shoring installed in c1939; the structure was listed in 1997 as one of the Eleven Most Endangered Historic Places by the National Trust for Historic Preservation





Marie Ennis, PE