RepairArchitecturalGeneralHot Weather Shotcreting with Liquid Nitrogen
Jamie Curtis
Read MoreFor shotcreters in the field, you know how difficult shotcrete placement can be; even on a good day. You’re also aware of how this type of work is made exponentially more complicated when…
PoolRepairArchitecturalStructuralGeneralShotcrete Doesn’t Have Cold Joints
Charles Hanskat
Read MoreA typical question on projects using shotcrete placement is, “How do you deal with cold joints when shotcrete placement is interrupted?” The brief answer is that we don’t have cold joints — when we properly prepare the joint…
RepairStructuralGeneralThe Art of Coastal Resilience: Shotcrete REstoration at the Geraldine R. Dodge Estate
Dana Alan Lilly
Read MoreThis article details the technical restoration of a historic seawall in Rockport, Maine, designed to withstand intense Atlantic wave action. The project showcases how modern engineering can preserve coastal history while enhancing structural integrity.
RepairStructuralGeneralNorth America’s Tallest Façade Retention System – 2025 Honorable Mention Project
Mark Reinders, P.Eng.
Read MoreIn the heart of downtown Toronto, ON, Canada, a full city block at 481 University Avenue and 210 Dundas Street West has become the site of one of the most complex heritage preservation efforts ever attempted in North America. The development of the United Bldg.,
RepairGeneralPompeys Pillar National Monument Stabilization – 2025 Honorable Mention Project
Lucille Mooney and Larry Mooney
Read MorePompeys Pillar is one of the most significant sandstone landmarks in the United States, made famous by William Clark of the Lewis and Clark Expedition, who carved his signature into the stone in 1806. This fragile historic inscription, along with the surrounding sandstone formation, was
RepairGeneralFrom Legacy to Longevity: The Abitibi Canyon Dam Rehabilitation Project – 2025 Outstanding Rehabilitation & Repair Project
Eve-Lyne Sylvestre, André Corbin, and François Gagnon
Read MoreThe rehabilitation of the Abitibi Canyon Dam marks a defining moment in the renewal of Canada’s hydroelectric infrastructure. Constructed between 1930 and 1936, the 150 ft (46 m) high structure continues to deliver 349 MW of clean energy to…
RepairGeneralCommentariesMy First Experience with an Inspector
Randle Emmrich
Read MoreI was 23 years old and eager to make a good impression on my fellow colleagues, my employer, the owner of the project, and the inspection staff…
RepairUndergroundGeneralTraffic Repairs Using Low-Dust Shotcrete Material: Monitor-Merrimac Tunnel Project
Thomas Brennan
Read MoreHistorically, the dust associated with dry-mix shotcreting caused hesitation in projects in urban or live traffic environments; however, recent innovations in low-dust materials have significantly changed planning considerations…
RepairStructuralGeneralLessons Learned on Spillway Shotcrete Overlay
Billy Roy, P.E.
Read MoreThe original Request for Bids specified that cast-in-place concrete be used, with no substitutions provided. After multiple site visits to better understand staging and access, debris removals, and placement logistics, KISC began to develop a value-engineered approach involving the use of air-entrained wet-process shotcrete to replace the cast-in-place specification…
RepairGeneralBlue Plains DC Water – World’s Largest Advanced WWTP: Sewpercoat® Rehabilitation with Dry-Mix Shotcrete Placement
Sam Zakeri
Read MoreMaintaining wastewater infrastructure is essential for public and environmental health in our communities. Treatment plants collect effluent from nearby areas and treat the water before discharging it into local waterways. DC Water operates Blue Plains, the largest…