Pyrite remediation will add $1.5 million to high school's cost

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Pyrite remediation will add $1.5 million to high school's cost

Post  HopefulInPh on Thu Jun 02, 2011 5:53 pm

Pyrite remediation will add $1.5 million to high school's cost

by Patrick Varine Staff Writer
June 2, 2011

Remediating the pyrite discovered under the new Penn Hills High School site will add nearly $1.5 million to the building's price tag.

Penn Hills school board officials last week approved a $1,484,769 change order for "site over-excavation for pyrite," as part of a list of cost adjustments totaling $1,676,314.

Architectural Innovations in Ross Township, which designed the high school, is required to request approval for any change order in excess of $300,000, or for any supplemental contract greater than $10,000.

Pyrite was discovered this spring, and district officials said the cost of removing it will be paid out of a $2.4 million project contingency fund.

Wheels Mechanical, a Pleasant Hills plumbing contractor, will remove the pyrite, which is not toxic or harmful to humans, but can expand and potentially damage building foundations if exposed to air.

Earlier this month, the board terminated its agreement with Mechanicsburg-based Advantage Engineers for all site, civil and geotechnical engineering services associated with the design of the consolidated elementary center and athletic fields.

Advantage will remain the contracted engineer for the high-school project, but the board voted in favor of contracting with D'Appolonia Engineers of Monroeville to perform all geotechnical and pyrite testing, civil and engineering services associated with the design of the elementary project as well as the athletic fields.

"Over-excavation" means that some non-pyritic soil will also be removed. That fill will be used in other areas, according to a letter submitted to the state Department of Education.

http://www.yourpennhills.com/pennhillsprogress/article/pyrite-remediation-will-add-15-million-high-schools-cost
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