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San Jose's Zero Waste Energy Development Facility, Projected to be the Largest Dry Anaerobic Digestion Facility in the U.S.,

San Jose's Zero Waste Energy Development Facility, Projected to be the Largest
 Dry Anaerobic Digestion Facility in the U.S., Turned to Central Concrete and
Jos. J. Albanese to Meet Their Accelerated Schedule and Devise Concrete Mixes
                        for its Waste Recovery System

Dry Anaerobic Digester Turns Organic Waste Into Electricity and High-Quality
Compost

PR Newswire

SAN JOSE, Calif., Aug. 21, 2013

SAN JOSE, Calif., Aug. 21, 2013 /PRNewswire/ -- Central Concrete, a business
unit of U.S. Concrete, Inc. (NASDAQ-USCR), and the leader in delivering
low-CO[2] concrete to the San Francisco Bay Area, along with Jos. J. Albanese,
a leading Bay Area concrete contractor, today announced that they developed
several innovative concrete solutions to address the aggressive specifications
required by the Zero Waste Energy Development Facility currently under
construction in San Jose, California. Not only did Central Concrete and Jos.
J. Albanese respond to a significant acceleration in the schedule, but they
devised mixes and placement solutions that addressed the unique issues faced
when working with waste materials. The project is being constructed by South
Bay Construction, Inc., a leading construction firm, with headquarters in
Campbell, California.

(Photo: http://photos.prnewswire.com/prnh/20130821/LA67132)

(Logo: http://photos.prnewswire.com/prnh/20130506/LA07403LOGO)

San Jose's Zero Waste Energy Development Facility is targeted for completion
in December 2013 and is expected to be the largest Dry Anaerobic Digestion
(AD) facility in the United States. The Dry AD process converts high solid
organic waste into green energy. It is projected that the plant will be
capable of processing 90,000 tons of waste and producing up to 1.6 megawatts
of renewable power. This is enough to power 2000 homes.

The key to building a plant of this type was making sure that the waste
materials, such as methane gas, were properly contained. In addition, the team
needed to address the corrosive nature of these waste products. In response to
these challenges, Central Concrete evaluated several mix design combinations,
both in the field and in the lab, to produce the desired performance. The
result—dense, durable concrete mixes with tight, low shrinkage specifications.
These mixes not only delivered the low water/cement ratio required, but the
highly workable mixes allowed Jos. J. Albanese's crew to place the concrete
more efficiently, significantly helping them to meet the accelerated build
schedule.

The Jos. J. Albanese team applied the Central Concrete mixes using a process
called wet-mix shotcrete. This process involved pumping Central's prepared
concrete through a nozzle. Compressed air is then introduced and a "gun"
delivers the concrete. Not only does this wet-mix process allow larger volumes
to be placed in less time, but the ability to adjust the water allowed the
team to meet the hardening properties required for the job. In addition, the
teams from Central and Jos. J. Albanese poured and placed five extremely large
mat floors in the very early hours of the morning to further assist the owner
in accelerating the schedule.

"We chose to work with Jos. J Albanese and Central Concrete on this project
for their knowledge in shotcrete applications and their ability to get it
done", said Jim Richley, Sr. Project Manager of South Bay Construction.

San Jose's Zero Waste Energy Development Facility
For more information on Zero Waste Energy, LLC: http://www.zerowasteenergy.com

Resources: Images

  oContact Anne Banta, Central Concrete, at anne@banta.org for images.
    Various images can be viewed by visiting: Central Concrete Zero Waste
    Images.
  oImages are also available for viewing on South Bay Construction's Facebook
    page. Visit: https://www.facebook.com/SouthBayConstruction/photos_albums

About South Bay Construction, Inc.
Launched in 1975, South Bay Construction provides comprehensive construction
services for new shell buildings, steel-frame structures, tenant improvements,
state-of-the-art renovations, historical renovations and a range of
rehabilitation projects. South Bay Construction covers the entire Bay Area -
Monterey to Napa and the Pacific Coast to Sacramento. For more information,
visit www.sbci.com.

About Jos. J. Albanese, Inc.
Jos. J. Albanese has been a leader in the Northern California construction
community since its beginning in 1955. The company offers services in
structural concrete, site concrete, demolition, grading, paving, rebar, and
pumping. For more information, visit http://www.jjalbanese.com.

About Central Concrete
Central Concrete Supply Co., Inc., a business unit of U.S. Concrete, Inc.
(NASDAQ-USCR), has been serving the San Francisco Bay Area for over 60 years.
The company is recognized for engineering higher-performing concrete than
traditional concrete, while significantly lowering carbon footprints with its
low-C0[2] mixes.

Unlike traditional concrete, Central's standard mixes deliver 50% or greater
cement replacement materials, thereby significantly reducing the carbon
footprint of the project under construction. Central Concrete is recognized
for supplying its low-CO[2] mixes to numerous San Francisco Bay Area signature
projects, including the Cathedral of Christ the Light Church, Oakland;
California Academy of Sciences, San Francisco – the world's greenest museum;
NASA Ames Sustainability Base, Mountain View – the greenest federal building
in the U.S.; David and Lucile Packard Foundation, Los Altos – largest net-zero
private office building in Calif.; the San Francisco Public Utilities
Commission (SFPUC) headquarters – San Francisco's greenest office building;
and the new Santa Clara 49er Football Stadium.

With 12 locations in the San Francisco Bay Area, Central Concrete offers
multiple points of service to meet the diverse operational needs of its
customers. For more information, visit www.centralconcrete.com.

SOURCE Central Concrete Supply Co., Inc.

Website: http://www.centralconcrete.com
Contact: Anne Banta, Marketing and Communications, Central Concrete,
anne@banta.org, office: 831-293-8008, mobile: 650-400-9673
 
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