virginia chapter - american concrete institute · virginia chapter - american concrete institute...
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Virginia Chapter - American Concrete Institute
February 28, 2019
2019 Virginia Concrete Conference
George R. Kuhn, Jr.
Virginia Chapter - ACI President
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Virginia Chapter - ACI
Established in 1989
Excludes the cities of Alexandria & Arlington, and the counties of Fairfax, Loudon and Prince William.
Membership open to anyone with an interest in concrete: architects, engineers, material suppliers, equipment suppliers, inspectors, owners, students, and anyone else interested in pursuing the best use of concrete
Focus areas: education, training & certification, recognition and advancing concrete knowledge
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Virginia Chapter - ACI
Certifications programs: Concrete Strength Testing Technician Aggregate Testing Technician – Level I Concrete Laboratory Testing Technician – Level II Adhesive Anchor Installer & Installation Inspector Specialty Commercial/Industrial Flatwork Technician Concrete Flatwork Finisher & Technician Concrete Flatwork Tradesman (new) Concrete Construction Special Inspector Concrete Transportation Construction Inspector Masonry Field & Laboratory Testing Technician (new) Self-Consolidating Concrete Testing Technician (coming)
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Virginia Chapter - ACI
acivirginia.org
Annual Membership: Individual $35
Young Professional $20
Student $0
Corporate (up to 3 persons) $75
State-wide Corporate (up to 10 persons) $150
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Virginia Chapter - ACIBoard of Directors
President: George Kuhn – Chandler Concrete
1st Vice President: Isaac Perkins – Tindall Corporation
2nd VP/Secretary: TR Fluker – Schnabel Engineering
Treasurer: Jack Kowalski – Branscome, Inc.
Past President: Marie Derby – Argos-US
Directors: Michael Brown – WSP USA
Ed Forbes – Sauer, Inc.
William Gaspar – Moseley Architects
Derek Imperial – Swope & Associates, Inc.
Hank Keiper – The SEFA Group
Steve Lloyd – Lloyd Concrete Services, Inc.
Charles Long – Allied
Chuck Starnes – retired
Mark Townsend – Essex Concrete Corporation
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Commonwealth Award CriteriaProject essentially completed in 2018
Have a substantial quantity of concrete and/or incorporate significant architectural, technical or sustainable concepts of concrete use
Located within Virginia (except for Arlington, Fairfax, Loudon, and Prince William counties)
Single Overall Award – Commonwealth Award
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Award CategoriesThe 6 categories mirror the ACI International’s
Excellence in Concrete Construction Awards
Low Rise Buildings (1-3 stories)
Mid-Rise Buildings (4-15 stories)
High-Rise Buildings (more than 15 stories)
Decorative Concrete
Infrastructure
Repair and Restoration
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2018 Commonwealth Award Category Winners
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Owner: Joe & Lori Friesen
Contractor: Design Concrete Builders, Inc.
Concrete Supplier: Rockingham Redi-Mix
Blue Skies Lane Home
Category: Low-Rise Buildings
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Blue Skies Lane Home
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Blue Skies Lane Home
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Blue Skies Lane Home
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Blue Skies Lane Home
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Category: Low-Rise Buildings
Blue Skies Lane Home
Features:
Footer to roofline ICF perimeter walls
Spray on cement-based exterior finish
Stamped concrete porches, walk out patio and driveway
Concrete countertops and 5’ x 10’ concrete top island
Energy efficient R-50 home
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Owner: Atul & Arpita Aggarwal
Prime Contractor: Richard Atack Construction
Concrete Contractor: River City Concrete, Inc.
Concrete Supplier: S.B Cox Ready-Mix, Inc.
Decorative Driveway
Category: Decorative
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Decorative Driveway
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Decorative Driveway
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Decorative Driveway
Features:
64 cy of concrete used
Multiple colors/pattern stamps:
Dusty Rose color - Jumbo Stamp pattern, Canvas color -
Random Stone pattern; all with Dessert Tan release agent
Walnut Stain driveway borders
Multiple pours with double forming to achieve the overall look on the panels and control joints
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Owner: Virginia Department of Transportation
Structural Engineer: VDOT - Bristol District S&B
Contractor: Patrick Construction, Inc.
Concrete Fabricator (Precast): Eastern Vault Company
Concrete Supplier: McClure Concrete Products, Inc.
Route 744 Bridge over Bluestone River, Tazewell County
Category: INFRASTRUCTURE
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Route 744 Bridge over Bluestone River, Tazewell County
Virginia Adjacent Member Connection (VAMC):
• Conventional shear keys fail, leading to poor load distribution and premature corrosion from leakage of chloride-laden runoff
• VAMC was developed by VDOT and Virginia Tech to ensure more durable longitudinal joints and extend bridge life.
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Route 744 Bridge over Bluestone River, Tazewell County
Very High Performance Concrete (VHPC):
• VHPC is a mix of cement, silica fume, fly ash, small aggregate and steel fibers developed to reduce lap splice length of reinforcing steel in the connections.
• VHPC costs 60% less than Ultra High Performance Concrete (UHPC), which is gaining use for connecting precast members.
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Category: INFRASTRUCTURE
Route 744 Bridge over Bluestone River, Tazewell County
Features:
Prestressed Concrete Adjacent Box Beam Bridge
Span Length: 49’-9”; Overall Width: 18’-0”
Corrosion resistant reinforcing (CRR) steel and low-permeability concrete were used for the bridge beams
The first bridge constructed with new standard Virginia Adjacent Member Connection (VAMC) filled with Very High Performance Concrete (VHPC)
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Owner: Town of Christiansburg, VA
Structural Engineer: Circeo Geo-Technical Services
Prime Contractor: DCI Shires, Inc.
Concrete Contractor: Albin Landscaping
Concrete Supplier: Chandler Concrete
13 Pepper Street Retaining Wall
Category: Repair & Restoration
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13 Pepper Street Retaining Wall
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13 Pepper Street Retaining Wall
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13 Pepper Street Retaining Wall
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Pepper Street Retaining Wall
Features:
Versa-Lok segmental retaining wall units
3 colors used to mimic adjacent natural stone
Stabilized aggregate concrete backfill
Colored concrete borders and control joints
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2018 COMMONWEALTH AWARD
And the winner of the
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2018 Commonwealth Award
Route 744 Bridge over Bluestone River, Tazewell County
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2018 Commonwealth Award
Owner: Virginia Department of Transportation
Structural Engineer: VDOT - Bristol District S&B
Contractor: Patrick Construction, Inc.
Concrete Fabricator (Precast): Eastern Vault Company
Concrete Supplier: McClure Concrete Products, Inc.
Route 744 Bridge over Bluestone River, Tazewell County
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Congratulations to all award submittals and our award winner!
ACI Virginia will solicit 2019 Commonwealth Award
candidates in the Fall.
Start planning now!!
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Please remember to support the continued efforts of Virginia ACI – our group conducts certification classes
and educational seminars throughout Virginia –
ACIVirginia.org