December 18, 2018

Recent Changes to New York Building Code Regarding Parking Garages

A new rule in New York now requires that all parking garages under the jurisdiction of the New York State Uniform Fire Prevention and Building Code undergo a periodic condition assessment to help ensure structural integrity and user safety. Owners of parking garages must retain a professional engineer to perform the inspection and submit a report to the local authority having jurisdiction to obtain an operating permit.
December 10, 2018

Double Impact

By: Mark Webster, Kara D. Peterman, Lizhong Wang, James A. D'Aloisio, Jerome F. Hajjar

Buildings account for nearly 40% of U.S. energy consumption and greenhouse gas emissions. The materials required to construct a building all require energy to manufacture, fabricate, deliver and erect. Once it is operational and in use, the...

November 26, 2018

Case Study on the Collapse Potential of a Wharf Supported by Severely Deteriorated Steel Piles under Gravitational Loads

By: Dominic Kelly, Paul Schuman, Oswaldo Russian, Mina Dawood

This paper presents findings from a research project on the development of a numerical framework to predict the collapse load of a wharf supported by corroded piles under gravitational loads. Data from a detailed marine investigation performed in...

November 26, 2018

Functional Recovery and Seismic Vulnerability

Resilience has become a common term among engineers, policymakers, and the national community of construction industry professionals. NCSEA recently formed a Resilience subcommittee to develop positions and recommendations on issues concerning...

November 13, 2018

Designing Amenity Rooftops: Complexity, Coordination, and Conflict Avoidance

Rooftop amenity spaces can offer building owners significant value. Successfully incorporating these spaces into the design of a rooftop requires thorough coordination, given the convergence of cross-disciplinary design requirements, complexity...

October 22, 2018

Waterproofing Elevator Pits 101

The October 2018 issue of Construction Specifier magazine features an article by Jonathan Stafford and Xiu Li. The article, “Waterproofing Elevator Pits 101,” discusses the challenges of designing waterproofing systems for...

October 11, 2018

Understanding Concrete Slab Types for Waterproofing and Repair Projects

Slab design and preparation is critical to a project’s success and requires close attention to both structural and waterproofing concerns during the design process. It is important to understand how different types of concrete slabs are applied to help project teams design and construct the right type of slab for long-term performance.
October 10, 2018

Drainage Investigations of Artificial Turf Field Systems

As with many structures, understanding issues with design, construction, and material performance for artificial turf fields can help inform investigations and repair design when these systems do not perform as expected.
September 12, 2018

A Hospital's Oasis

The patients at Children’s National Health System’s main campus in Washington, D.C., needed fresh air. Going outside, however, is not always simple for hospitalized children, many of whom are not fully mobile or are connected to...

September 12, 2018

Restrained vs. Unrestrained

By: Kevin LaMalva, Therese McAllister, Luke Bisby

Most structural fire protection designs in the U.S. are conducted using prescriptive code requirements. This approach allows designers to select fire resistant assemblies from available listings that are qualified through standard furnace testing...