April 15, 2020

Understanding the City of Oakland’s Soft Story Seismic Retrofit Ordinance

In 2009, the City of Oakland passed a mandatory ordinance (No. 12966) requiring owners of certain buildings to undergo structural screening to determine if the building contains a potential “soft story” at its lowest level, typically comprised of large open areas compared to the stories above.
March 24, 2020

Adjacent Structure Technical and Legal Risks

By: Scott DiFiore, Matthew Johnson, Gregory R. Meeder, James P. Chivilo

Excavation and heavy civil construction in urban environments directly impact abutters and existing adjacent structures. Noise and dust create nuisance concerns, while demolition, excavation and dewatering can cause earth movement and structural...

March 20, 2020

Rain Loads: Guide to the Rain Load Provisions of ASCE 7-16

By: Aaron Lewis, Michael O'Rourke

Rain Loads: Guide to the Rain Load Provisions of ASCE 7-16 provides the practicing structural engineer with a detailed description of the rain load provisions of Minimum Design Loads and Associated Criteria for Buildings and Other...

March 6, 2020

Landmark Restoration: Comprehensive Repair of Michigan University Fountain

In this article, Daniel Clark discusses the university’s desire to address water leakage concerns at the 1940s-vintage fountain, which serves as a prominent landmark on campus. SGH performed condition assessments to investigate these...

March 3, 2020

Innovating with Materials

By: Matthew Bronski, Glenn Bell
Mankind has innovated with design and construction methods and materials since Homo Habilis laid one flat stone horizontally across two upright stones to build the first dolmen around 2,000,000 BCE. Since then, our progress in building materials innovation over the millennia has been tremendous. A short list of some of the most innovative buildings and structures in history would have a great deal of overlap with a list of the most beautiful and inspirational buildings and structures of all time.
February 27, 2020

2019 NYS Code Requirements of Parking Garage Structures Inspections and Maintenance

All parking garages under the jurisdiction of the New York State Uniform Fire Prevention and Building Code must undergo a periodic condition assessment to help ensure structural integrity and user safety. This is a recent mandate resulting from a...

February 13, 2020

Combined Kinematic and Inertial Seismic Analysis of Marine Structures

In performance-based seismic design, a marine structure is designed for inertial loading effects associated with the dynamic response of the structure. Some waterfront structures also experience seismically induced kinematic effects, associated...

February 13, 2020

Rehabilitation, Safety Improvement, and Life Extension of a Geriatric Concrete Marine Oil Terminal

By: Gayle Johnson, William Bruin, Cheng Lai, John Chun

This paper will describe a $16M rehabilitation program of a 1960’s vintage, reinforced concrete marine oil terminal at the Port of Long Beach intended to enhance the performance and operational life of this critical infrastructure. The...