Building Up or Out: Should more cities follow the lead of Ventura County and look at high-rise buildings to accommodate growth as an alternative to the subdivision?
Take the PCA Poll


Ventura County
Builds Up Instead of Out

Located north of Los Angeles, Ventura County is synonymous with proliferating suburbia and urban sprawl. But now, concerns over preserving hillsides and agricultural resources coupled with stringent regulations to control growth are sparking a high-rise building boom.

Six buildings ranging from 15 to 46-stories are on the drawing board and awaiting approval from the local agencies along the Pacific Coast. At the hub of booming economic growth, the cities of Oxnard and Port Hueneme plan to add high-rise residential, office, and retail space in communities thus far dominated by subdivisions.

Ventura County adds 10,000 new residents each year. Also fueling the shift from subdivisions to high-rise living is a change in demographic trends towards empty nesters, which favors condominium living.

Contact Attila Beres

Standards Bodies Three Steps
Closer to Harmonizing Cement Specs

The American Association of State Highway and Transportation Officials’ (AASHTO) Subcommittee on Materials and ASTM International’s Committee C01 on Cement recently passed ballot proposals to harmonize three of five significant differences between the provisions of the standard specifications for portland cement, AASHTO M 85 and ASTM C 150, published by these organizations.

The 2007 editions of these standards will have consistent provisions for fineness, Type II C3S content, heat of hydration–related criteria, and use of up to 5% limestone in portland cement. It is anticipated that revised standards will be published in July of 2007.

These changes are the result of an ongoing focused harmonization effort that was initiated in the summer of 2003. AASHTO M 85 and ASTM C 150 have existed as parallel standards for portland cement since the 1940s. State departments of transportation reference one (or sometimes both) of these standards when specifying portland cement for concrete construction.

Consistent requirements will ultimately result in better concrete by simplifying quality control, specifications, and production.
Contact John Melander

Study Shows U.S. Homebuyers
Unwilling to Pay for Green Features

Homebuyers are unwilling to pay more for a home that contains green design features and environmentally friendly materials, Architecture 2030 founder Ed Mazria said this week in the Atlanta Journal-Constitution.

According to Mazria, although many homebuilders are adding energy saving features and are experimenting with environmentally friendly materials, buyers have not been willing to pay more for the green features.

Estimates vary widely for how much green building can add to the final price of a home, with the lower estimates at 3 to 5 percent versus the higher predictions of 10 to 15 percent.

The National Association of Home Builders and McGraw-Hill Construction predicted recently that the number of green homes will increase from the current level of 2 percent to 10 percent of all homes by 2010.


EPA Finds New Life for Old Building Materials
Nearly 77,000 tons of concrete will be recycled during the construction of Shops at White Oak Village, a hotel and retail complex in Henrico County, Va. Contractors of the former manufacturing site near Richmond plan to crush the concrete on-site and use it for foundations, sidewalks, and structural support.

In addition to the concrete, the project is expected to also recycle almost 7,500 tons of aluminum, steel, iron, copper, assorted ferrous and non-ferrous metals and electronic equipment from the old building.

The U.S. Environmental Protection Agency has been working with the Forest City Commercial Group to incorporate recycling and sustainable design into the project. Demolition of the former Viasystems building began about seven weeks ago following an environmental investigation and selection of a remediation plan according to EPA guidelines.

Bohan to be Named ACI Fellow
Richard P. Bohan, PCA's director of construction and manufacturing technology, will be elevated to the rank of Fellow of the American Concrete Institute at its spring convention, scheduled for April 22-25 in Atlanta, Ga.

Bohan is a member of ACI Committees E 701, Materials for Concrete Construction; E 802, Teaching Methods and Educational Materials; and the ACI Convention Committee. He has also served on a number of certification committees. He joined PCA in 1994.


Clem Heads Rocky Mountain Group
The Rocky Mountain Cement Council announced the appointment of Don A. Clem to the position of executive director. The regional cement promotion group is responsible for the rocky mountain states of Colorado, Utah, New Mexico, and Wyoming. Effective April 16, 2007, Clem will be responsible for the daily operation of the group.

Clem previously served as vice president of marketing for the midwest region for CEMEX. Prior to joining CEMEX, he was the marketing engineer for the Colorado Ready Mixed Concrete Association.

PCA sponsors Illinois’ next Fortified Home: PCA will host a groundbreaking on April 2, 2007, for a Fortified…for Safer Living home in Aurora, Ill. In addition to the partnership with the American Red Cross and the Illinois Emergency Management Agency, PCA is working with a non-profit organization, the Joseph Corporation, and the trades programs of three Aurora-area high schools to construct a precast concrete home. The panels will be constructed using Dukane Precast's double-wall system. Erection of nearly all the wall and ceiling panels is planned for the ceremony.
Contact Jim Niehoff

HPC Featured in South Dakota:
PCA's Shri Bhidé was a guest speaker at the 43rd Annual Concrete Conference held last week in Rapid City, S.D. The co-sponsors of the conference included: Dakota Chapter of ACI; GCC, Dakota Cement; and North Central Cement Promotion Association. Shri’s presentations highlighted the benefits of high performance and ultra-high performance concrete for bridge applications.
Contact Shri Bhidé

Results from Last Week:
Transit Fares Well

Should more cities follow the lead of Phoenix and turn to light rail transit as an alternative to expanding the capacity of streets and expressways?

  • Yes (95.77%)
  • No (4.23%)

Notable Comments:
"Rail is nice but usually empty. There is not a mass transit system on this planet that breaks even or makes money. All it does is sucks funds from the transportation system and does not pay into the system."

"We must also assure that sufficient roadway capacity exists to efficiently allow commerce to move. Freight mobility is critical to global competition as well as clean air."

"Cities should be designed having quality of life in mind instead of just cars and traffic. Remember that the U.S. is the fattest country in the world. We should encourage people to walk, not drive."

"Nobody is going to ride this stupid train. It goes too slow, makes a lot of stops, and will be a traffic burden. It will be faster to sit in street traffic than to take that route."

"Increasing capacity for more automobiles and trucks just encourages wasteful energy consumption and doesn't provide any long term improvements."

"Construction cost of the system would probably be cheaper than the cost of land purchases for street rights-of-way, imminent domain processes, easements, etc. Also the problems of traffic congestion would only be deferred, not solved, and air pollution from exhaust fumes would only increase. The only reservation I have about it is whether the public would utilize it once it is in place."

Take the current poll

For more information or to register, contact Julie Lisiecki.
Troubleshooting: Solutions to Concrete Field Problems
March 19-21, 2007

Mill Grinding
March 19-21, 2007

Kiln Process
March 26-29, 2007

Cement and Concrete Overview
April 16-17, 2007

Impact of Cement Characteristics on Concrete Properties
May 15, 2007
Midlothian, Texas
September 19, 2007
Bethlehem, Pa.

Raw Mix Chemistry
May 16, 2007
Midlothian, Texas
Pulverized Fuel Guidelines for the Cement Industry
September 18, 2007
Bethlehem, Pa.


 
PCA Spring Meeting
March 18-20, 2007
San Diego, Calif.
More information
IEEE-IAS/PCA Cement
Industry Technical Conference

April 29-May 3, 2007.
Charleston, S.C.
More information

12th International Congress on the Chemistry of Cement
July 8-13, 2007
Montreal, Quebec
More information

Pervious Concrete—A Stormwater Solution
Detroit—July 10
Lexington, Ky.—July 12
Washington, DC—July 24
Pittsburgh—July 26
Minneapolis—Aug. 7
Milwaukee—Aug 9
More information

 


The Executive Report is distributed free of charge to members of PCA and to individuals interested in PCA activities or the cement, concrete, and construction industries.

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The Portland Cement Association conducts market development,
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