Construction Today - February 2011 - (Page 56)
Civil | MALCOLM DRILLING CO. INC.
Strong Foundation R
MALCOLM DRILLING PROVIDES EXPERTISE FOR DEEP FOUNDATION PROJECTS. BY CATHY KALLAS
arely does the general public think about how the excavation and drilling to support a structure affects its integrity and stability. However, excavation and drilling involve much more than just digging a hole. For more than 45 years, the experts at Malcolm Drilling Co. Inc. have provided a firm base of expertise for deep foundation jobs that require precision and accuracy. Based in San Francisco, Malcolm Drilling is one of the highest-regarded specialty foundation contractors in the world. The company offers a wide spectrum of services and its capabilities continue to grow with each project. Vice President John Roe believes that its strength lies in its ability to adapt, measure markets and risk and make capital investments to improve techniques and bring added value to clients. “Being able to work through and overcome adversity creates value,” Roe asserts. Malcolm Drilling’s scope of operations includes a multitude of specialized services
Malcom Drilling has been working in San Francisco for more than 45 years.
beyond drilling. It is the recognized leader in dealing with soil challenges, below-grade issues, ground improvement and dewatering. The company’s expanded competencies include drilled shafts, micropiles, auger-cast piles, excavation support systems, cutoff and secant pile walls, slope stabilization, jet grouting, deep soil mixing, underpinning and Omega displacement piles.
Port of Miami
Malcolm is involved in several public works projects, one being the $1 billion Port of Miami Tunnel. This involves advancing two 4,250foot-long, 42-foot-diameter tunnels with an earth pressure balance tunnel-boring machine (TBM). At both the Watson and Dodge Island portals, Malcolm is building break-in and break-out blocks of improved soil to strengthen and lower the permeability of the ground. “Right now, we are working on this deep excavation project encompassing both the ingress and egress structural portal entrances beneath the Port of Miami Bay,” Roe explains. Malcolm’s portion of the project is multifaceted and includes the support of excavation at both tunnel portals to depths of 43 feet. The retaining walls are constructed in situ using soil mixing technology. More specifically, Malcolm is using the cutter soil mixing (CSM) method of ground improvement. This utilizes cutter wheels that are advanced while a cement water slurry is injected into the soil through the cutter head and while constructing 4-by-9-foot slurry panels in the ground. The walls are reinforced with a structural
Malcolm Drilling Co. Inc.
www.malcolmdrilling.com • 2010 sales: $195 million • Headquarters: San Francisco • Employees: 450 to 750 (seasonally) • Specialty: Drilling, boring, foundations
“New technology enhances the quality and reduces the project delivery time to make our clients more competitive.”
–John Roe, vice president
CONSTRUCTION-TODAY.COM FEBRUARY 2011
Table of Contents for the Digital Edition of Construction Today - February 2011
Construction Today - February 2011
Out of the Blues
Wall Works USA Inc.
Pacific Pile & Marine
Dufferin Construction – Highways 403 and 401 Projects
Natt McDougall Co.
Abhe & Svoboda Inc.
McKinney Drilling Co.
ODOT/Miller Cable Co. – Northeast Ohio ITS Project
Barnard Construction – Snoqualmie Falls Hydroelectric Redevelopment Project
C.A. Barrs Contractor Inc.
Charles Blalock and Sons Inc.
Parsons Brinkerhoff, Hatch Mott MacDonald, Skanska USA, Dragados USA and Tutor Perini – Alaskan Way Viaduct Replacement
William Charles Construction – I-39 Repaving
CB Richard Ellis Canada
The Cadillac Fairview Corp. Ltd./PCL Constructors Canada Inc.
Fargo Pacific Inc.
Critchfield Pacific Inc.
Harold O’Shea Builders
Culpepper Construction Co. Inc.
Golden State Framers
Hudspeth & Associates Inc.
IMC Construction Inc.
Jones Lang LaSalle – Empire State Building Renovation and Retrofit
Econo-Malls Management Corp.
Turner Construction San Diego – New Central Library
Trotter & Morton – University of Calgary
Collavino Construction Co. Inc. – One World Trade Center
Danis Building Construction Company – The Indu and Raj Soin Medical Center
F.J. Sciame Construction Co. – Abraham Joshua Heschel School
Eckman Construction – Pinkerton Academy Freshman Building
The Hagerman Group – Parkview Whitley Hospital
Whaler Industrial Contracting Inc.
Construction Today - February 2011