Forensic Engineers and Consultants

Archive: Roofing

Not Falling for Your Job?

Periodically, Warren Engineers and Consultants are asked to perform inspections that require work at raised elevations. Typical jobs and tasks include climbing on commercial and residential roofs with steep pitches, working on scaffolding, climbing from one level to the next at a fire or industrial loss scene, riding in the buckets of lift equipment, and inspecting exterior structural elements such as windows and masonry.  Read More

Building Envelope Components

What is a Building Envelope?

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By definition, the building envelope (or building enclosure) is the physical separation between the interior conditioned areas and the exterior environment space of a building. The envelope serves as the outer covering (shell or skin) to help maintain the indoor environment together with the mechanical conditioning systems and to facilitate its climate control. The building envelope must be carefully designed with regard to site specific climate, ventilation, and energy consumption within the structure. The design is a specialized area of architectural and engineering practice that draws from all areas of building science and indoor climate control. Read More

steel-decking

Metal Decking Provides for Building Stability and Worker Safety

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It’s simple, right?!  Buildings being constructed must maintain a structural stability at all times during the steel erection process. That’s according to OSHA Federal Register Subpart R 1926. OSHA also reminds us that “Since structural collapse is second only to falls as a cause of fatalities in the construction industry, stability is essential to the successful erection of any steel structure, including single- story, multi-story, bridges, etc.” Let’s further examine what goes into the erection and installation practice for roof or floor metal decking as a safe working platform. Read More

An overhead view of a building that lost its roof due to the weight of several inches of snow.

Snow/Ice Accumulation Leads to a Roof Collapse

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During the next several months when temperatures start to fall below the freezing point and winter storms packing cold temperatures, heavy snowfall and ice build-ups bear down on various regions of the country, they can and do bring an assortment of unfavorable conditions that could and will affect your insured’s buildings, businesses, and personnel. Some of these regions have already experienced record-breaking snowfalls and bitter cold temperatures, which in turn have increased the danger of roof or partial roof collapses. Roofs that are properly designed and constructed to applicable codes and standards should be built to withstand loading from snow, drifting snow, water-laden snow and ice build-ups. But are they? Building codes and standards that depict the proper roof loads will vary across the U.S.  They will generally be based on local historical data, including the expected frequency and intensity of these winter storms in a particular region as shown and discussed in ASCE 7-10. Read More

A map showing a Public Street Right-of Way.

Stormwater Management Systems – Flood Control Structures

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An integral part of a stormwater management system is the design.  The design controls the quantity, quality, timing and distribution of storm runoff.  The storm drainage system is a network of access structures, ditches, channels and underground pipes that work together to direct and carry stormwater (rain and snow water) to ponds, lakes, streams and rivers and may consist of both public and private land and systems.  In order to keep these stormwater systems working properly as designed, the systems must be maintained on a routine schedule and on a continual basis.  The maintenance of these systems involves rigorous cleaning and removing of vegetation and debris. The systems include but are not limited to culverts and pipe outfalls, catch basin gratings and manholes, retention and detention water runoff control basins, channels and roadside ditches, and underground piping. Read More

Don't let your building become a disaster?

Major Causes of Wood Truss Failures

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It’s a fact! Many roof structures fail during the construction process while others have taken years for an incident to occur. Buildings with proper design and construction of bracing systems are essential in reducing and/or eliminating wooden roof truss failures.
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A view of flood related damage to a crawlspace caused by hydrostatic forces.

Are You Prepared to Adjust a River Flood?

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While working numerous Hurricane Sandy Flood Loss Claims in New York and New Jersey, I met many homeowners who didn’t understand the coverage limitations of their FEMA flood policy.  They were shocked, even mad, when they discovered some damages were not covered by the flood policy.  It pays to be prepared, courteous, kind, and tactful in responding to those adversely affected by any flood related event.
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AbbataA_IMG_0305_RT

Warren Welcomes Allan A. Abbata, P.E. Civil/Structural Engineer

Warren is pleased to announce the addition of Allan A. Abbata, P.E. Senior Consulting Engineer in Columbia, South Carolina.
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