Specs

Bridgestone Retail Operations, LLC
PROJECT MANUAL
Version: Version: January 2012
PART 3 EXECUTION
3.01 PRECAUTIONS
a. General Contractor shall employ drilling contractors who have adequate equipment to
perform the required work.
b. Make certain the drilling contractor is aware of the project requirements, unit prices, and
the need to properly staff the work to meet the construction schedule.
c. Make certain the drilling contractor is aware of all active underground utility lines.
d. Where overhead power lines exist, observe proper clearances required by utility
company.
3.02 INSTALLATION
a. Drill concentric pier shafts.
b. Clean pier bearing surface utilizing drilling equipment to expose a bearing surface free of
loose material. Provide for the protection of workmen when in excavation according to
OSHA requirements. Pier bearing shall be free of standing water, foreign matter, or
loose material.
c. Allow inspection of pier shafts prior to reinforcing steel and concrete placement. Prevent
foreign matter from falling into pier hole.
d. Place reinforcing steel in accordance with Section 03300.
e. Place concrete within eight (8) hours after pier hole is cleaned and in accordance with
Section 03300. Use equipment designed for vertical placement of concrete. Vibrate
concrete full depth of pier.
f. Provide dowels for connection plinth and grade beams.
g. Place concrete through a temporary casing if an inflow of subsurface water occurs. Place
concrete to height sufficient to effect seal.
3.03 FIELD QUALITY CONTROL
a. The Special Inspector will inspect construction periodically throughout the various work
stages, as defined in Chapter 17 of the IBC. In addition, the Special Inspector prior to the
placing of concrete will inspect the formwork and placement of reinforcement.
b. Notify the Architect and Owner's testing agency at least 72 hours in advance, excluding
Saturday and Sunday, before drilling piers.
3.04 TESTING LABORATORY SERVICES
a. Provide continuous inspection of pier drilling operations to ascertain compliance with
requirements of Contract Documents.
DRILLED PIER FOUNDATIONS 02370 Page 2 of 3