3.03
3.04
Provide protection for existing equipment, utilities and critical areas against water or other damage
caused by drilling operation.
Slurry or tailings resulting from coring operations shall be vacuumed or otherwise removed from the
area following drilling.
CUTTING:
Cutting shall be performed with a concrete wall saw and diamond saw blades of proper size.
Provide for control of slurry generated by sawing operation on both sides of wall.
When cutting a reinforced concrete wall, the cutting shall be done so as not to damage bond between
the concrete and reinforcing steel left in the structure. Cut shall be made so that steel neither
protrudes nor is recessed from the face of the cut.
Adequate bracing of area to be cut shall be installed prior to start of cutting. Check area during
sawing operations for partial cracking and provide additional bracing as required to prevent a
partial release of cut area during sawing operations.
Provide equipment of adequate size to remove cut panel.
PATCHING:
Rough patching shall be such as to bring the cut or cored area flush with existing
construction unless otherwise shown. Finish patching shall match existing surfaces as
approved.
END OF SECTION
01735-3