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March, 2010 : Vol 2, Issue 3
Construction is under way on two massive 500-foot cooling towers at Dominion Energy’s Brayton Point Power Station in Somerset, MA. These cooling towers are aimed at eliminating the environmental impact of heated water released into Mount Hope Bay by the plant.
The annual PCI Design Awards competition is under way for 2010 and now is the time to submit your project for consideration. For 48 years, the Precast/Prestressed Concrete Institute has recognized outstanding projects for excellence in design and construction quality using precast/prestressed concrete.
Bridge Technical Committee Visits Dailey Precast and Views the First NEXT Beam
Over 100 people visited Dailey Precast during a series of open houses on February 24, 25 and 26 to view the first NEXT beam. Members (shown in photo) of the PCINE Bridge Techncial Committee visited the plant on March 4. The Northeast Extreme Tee, or NEXT beam, was developed by the PCI Northeast Bridge Technical Committee for use on accelerated bridge construction projects. The first bridge to use the new beam is a 510-foot, seven span prestressed concrete bridge in York, Maine.
Q: What percentage of Supplementary Cementitious Materials (SCMs) are used in manufacturing precast concrete that contributes towards LEED Credits MR 4.1 and 4.2?
A: Fly ash, slag and silica fume (SCMs ) that would otherwise go to landfills as an industrial waste by-product can be incorporated into concrete mixes and reduce the amount of cement needed as a binder. SCMs can improve concrete's fresh properties as well as its strength and durability. When planning on using SCMs it is best to consult with a precast producer to finalize the percentage. The maximum allowable dose will vary based upon the producer's product line. This chart will provide some additional guidance:
Blast Furnace slag:
The Precast/Prestressed Concrete Institute Northeast (PCINE) will offer a one day class on Basic Prestressed Concrete Design. The class is geared toward professionals who have not completed a college-level course on prestressed concrete design but have a basic understanding of reinforced concrete design.
Date: April 28, 2010
Register and learn more at www.pcine.org/seminars
You are Invited to a Free Seminar on Sustainable Design and Construction-June 2, 2010, Washington, DC
Join us for a full day of exciting education. The course will cover design and construction approaches that lead to successful projects, including design-build, integrated design, and sustainable design. Concepts will be highlighted via two case studies of local projects. Attendees will gain insight from different viewpoints as the architects, owners, developers, and contractors present on each project.
In this issue:
PCI is a Registered Provider of AIA learning units and Professional Development Hours.
Featured Presentation Sustainable Design using Precast Prestressed Concrete.
If you are interested in scheduling a lunch seminar, please contact us. A current list of programs can be found on our continuing education page.
Downloadable Design Aids:
Complete list at www.pcine.org/resources
Find a Producer:
Please contact a local producer if your firm needs help with budgets or design support, or if you are interested in a precast plant tour.
Visit our Producer Directory
PCI Committee Meetings: