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Duck Island Wastewater Treatment Plant- Screw Pump Rehabilitation

By: Mason Guarino

The Duck Island Clean Water Facility, located in Lowell, MA, is a 32 million gal./day (120 megaliter/day) activated sludge treatment plant. The facility accepts wastewater from several Massachusetts cities and towns, including the City of Lowell and the towns of Chelmsford, Dracut, Tewksbury, and Tyngsborough. The service area includes approximately 220,000 people. The facility has been in the news for the past decade due to its need for massive repairs

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Ayla Golf Academy and Clubhouse

By: Beat Huesler

For the Ayla Golf Academy and Clubhouse in Aqaba, Jordan, Oppenheim Architecture took inspiration from the surrounding landscape and Bedouin tradition to deliver a distinctive building that evokes the aelemental beauty of the desert and mountains. The design amakes innovative use of shotcrete to create a continuous

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Architectural Shotcrete

By: Adam Dobrowolski and Deane Hudson

In our lives, we seldomly look back and say, “that was a very cool project.” This is one of those projects because aof the challenges we faced from the start. Poor access, intricate finish, difficulty in formwork, concrete chemistry, and protection of the existing exterior façade were all challenges of the Uber Mission Towers Project.

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2019 Carl E. Akeley Award

By: American Shotcrete Association

The 14th annual Carl E. Akeley Award was presented to William Clements and Kevin Robertson, King Packaged Materials Company, for their article, “Compatible Shotcrete Specifications and Repair Materials,” published in Shotcrete magazine, Spring 2019. This article discusses how shotcrete is used for concrete repairs with correct test methods and using the right shotcrete material to provide a long service life.

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2019 ASA Presidents Award

By: American Shotcrete Association

The ASA President’s Award was established in 2005 to recognize a person or organization that has made exceptional contributions to the shotcrete industry. It is the sole responsibility of the immediate outgoing President of ASA to select the recipient of this award. Since 2006, 13 well-deserving individuals and one organization have been awarded the ASA President’s Award, all of whom dedicated their time and energy to advancing the shotcrete industry

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Antoine Gagnon is a PhD Student in the Department of Civil and Water Engineering at Universit? Laval, Qu?bec City, QC, Canada.

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2018 Carl E. Akeley Award | 2019 Winter


The 13th annual Carl E. Akeley Award was presented to Kyong-Ku Yun for his article, ?Cellular Sprayed Concrete,? published in Shotcrete magazine, Summer 2018.

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2018 ASA President?s Award | 2019 Winter


The ASA President?s Award was established in 2005 to recognize a person or organization that has made exceptional contributions to the shotcrete industry.

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Understanding What Can Cause Problems with Concrete and Shotcrete?Part 1 | 2019 Winter Bracamontes

By: Raul Bracamontes

This is Part One of a two-part series on potential causes of problems in concrete and shotcrete.

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Brattleboro Bridge Project | 2019 Winter Durham

By: Nick Durham and Frank E. Townsend III

In August 2016, Superior Gunite was awarded a subcontract from PCL Civil Constructors to shoot and carve eight web fins on the piers of the I-91 Brattleboro Bridge, in Brattleboro, VT.

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Oroville Dam Emergency Recovery | 2019 Winter Haggerty

By: Mick Haggerty

Oroville Dam, built in 1957, is an earth-filled embankment dam located on the Feather River, east of the city of Oroville, CA, in the Sierra Nevada foothills east of the Sacramento Valley.

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Pampoen Nek Cutting | 2019 Winter Strever

By: Dustin Strever

Situated in a pristine part of the country near the Hartbeespoort Dam in the Gauteng province of sunny South Africa, the Pampoen Nek Cutting bisects the landscape

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Torrent Shotcrete | 2019 Winter Torrent

By: Torrent Shotcrete

With offices in Vancouver and Toronto, Torrent Shotcrete serves the Canadian marketplace providing quality structural shotcrete.

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MAPEI Underground Technology Team | 2019 Winter MAPEI


MAPEI?s Underground Technology Team (UTT) provides the construction market with a range of products dedicated to underground construction work.

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Academy Museum of Motion Pictures | 2019 Winter Klein

By: Lawrence Klein

The uniqueness of the David Geffen Theater and the May Company building, the Saban Building, dates back to 1939.

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Making Concrete Waves at Frisco?s Northeast Community Skatepark | 2019 Winter Curtis

By: Jamie Curtis and Yann Curtis

The Northeast Community Skatepark in Frisco, TX, is a destination-scale, all-wheeled sports facility catering to skateboards, bikes, inline skates, and scooters.

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Queens Midtown Tunnel Rehabilitation | 2019 Winter Cruz

By: Ashley Cruz

The Queens Midtown Tunnel (QMT) is a twin-tube, tolled, four-lane highway that serves over 90,000 vehicles each day.

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Tiber Creek Sewer Rehabilitation | 2019 Winter Becker and Emmrich

By: John Becker and Randle Emmrich

As part of the DC Clean Rivers Project ? Division 1 Main Pumping Station Diversions, the Tiber Creek trunk sewer was designated to receive a new structural liner in a 122 ft (37 m) section near the intersection of New Jersey Ave. and Tingey St. in southeast Washington, DC.

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Flood Control Channels Made with Shotcrete | Summer 2019 Bracamontes

Flooding is a temporary overflow of water onto land that is normally dry. Floods are the most common natural disaster in the United States.

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Properly Securing Hoses to Manlifts and Scaffold | Summer 2019 Schallom

By: Ray Schallom III

Decades ago, a seasoned carpenter showed me how to tie 2x4s and reinforcing bar together so I could lower it down a shaft without losing the load.

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