From Our Blog
The Benefits of Drones for Airport Engineering and Planning
In recent years, drones have become commonplace in many industries as a valuable multi-faceted tool to increase efficiency and add new capabilities. Engineering and planning for airports create a unique environment for drones. The following are a few examples...
In-Place Stabilization of Historic Masonry Assemblies
Masonry walls, especially those that contribute to historic building enclosures and structural systems, often require stabilization as part of a rehabilitation project. For historic buildings, the desire to retain and preserve the existing building fabric with minimal...
Boston Sets New Base Flood Elevation
As part of The City of Boston’s commitment to climate resilience, on September 13, 2021, the Boston Planning & Development Agency (BPDA) approved Article 25A of the Boston Zoning Code. Article 25A provides a new Coastal Flood Resilience (CFR) Zoning Overlay...
Roof Blistering: To Repair or Not to Repair?
Blisters within bitumen-based roofing systems originate with the formation of a void, or unadhered area between the felt plies, or between the substrate and the membrane. Voids can be created by improper adhesion during application, improper mopping viscosity or...
Spring is Here! So Are Gale’s Roof Maintenance Tips
The time for spring cleaning is here! For a lot of us that means performing tasks like washing windows, clearing leaves and sticks, etc., but it's also important to check your roof. Roofs experience the brunt of Mother Nature during the winter: snow, ice, heavy rains,...
Porous Pavement Update: How has it performed since 2017?
A Potentially Environmentally Sound Drainage Solution In 2017 Gale used Porous Pavement as a possible “out-of-the-box” solution at an airport that had issues promoting proper drainage from travel lanes. Since the installation, Gale has been tracking its performance...
Culvert Replacement Using Stream Crossing Design Standards
Roadway culverts silently convey streams, rivers and storm water under roads and highways for many years without much thought from the average roadway user. However, to New Hampshire municipal highway departments, they have been a source of frequent problems....
What Causes Ice Dams on Roofs and How Can I Prevent It?
Many of us who live in the northern states enjoy the change in seasons. We love winter for its beauty after freshly fallen snow and for the outside activities we can experience in the mountains or in our own backyards. But as with many of Mother Nature’s gifts, winter...
What Might Happen If the 2021 Polar Vortex Meets Your Building?
What is the Polar Vortex? What is a polar vortex? While it sounds a bit like a phenomenon from a science fiction movie (remember the 2004 film The Day after Tomorrow?), the term polar vortex has been around for over one hundred years. The following is a quick...
Pocket Wetlands
Most land development and site improvement projects require stormwater management systems. When an impervious area is added (parking lots, buildings, etc.), it alters the site’s natural drainage by increasing surface runoff and adding pollutants to the drainage...