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This Specification addresses requirements for drilled pier construction. Drilled piers are sometimes called drilled shafts, drilled caissons, drilled piers with bells, drilled shafts with bells, or bored piles. This Specification includes: excavation; the use of liners and casing; drilling slurry and concrete free-fall placement methods; testing; reinforcement fabrication and placement; concrete properties and placement; quality control and quality assurance; and acceptance. The successful installation and performance of a drilled pier is fundamentally dependent on the means and methods of construction along with the effects of the site-specific subsurface conditions.
The MCP Online contains all new committee standards and reports released throughout the year. The most recently added include
PRC-130.1-25: Environmental Product Declarations (EPDs) of Cement-Based Products: State of Practice and Path Forward—TechNote
CODE-323-24: Low-Carbon Concrete—Code Requirements and Commentary (SI Units)
SPEC-336.1-24 (SI Units): Construction of Drilled Piers—Specification
ACI/ASCC PRC-310-25: Decorative Concrete—Guide
SPEC-563-25: Repair of Concrete in Buildings—Specification