Pay Item
Pay Unit
Measure to the Nearest
Bridge Barrier
FT [m]
0.1 ft [0.05 m]
FT [0.5 m]
Bridge Median Barrier
FT [m]
0.1 ft [0.05 m]
FT [0.5 m]
Median Barrier in ____ in [mm]
FT [m]
0.1 ft [0.05 m]
FT [0.5 m]
Shoulder Barrier
FT [m]
0.1 ft [0.05 m]
FT [0.5 m]
442
Pay to the Nearest
Drilled Shaft Foundations
506.1DESCRIPTION
1 This section describes the requirements for constructing drilled shaft foundations.
506.2MATERIALS
1 Provide materials in accordance with the following:
Material
Subsection
Admixtures Aggregate for Concrete Fly Ash Portland Cement Reinforcing Steel Water
801.4 803 801.2 801.1 811.1 814.1
506.3EQUIPMENT
1 Ensure that equipment meets the following requirements:
Equipment
Subsection
Batch Plant Mixers Placing Equipment
513.3.1 513.3.2 513.3.3
2 Provide a power-driven rotary auger or, if required, rock drilling equipment.
Provide a rig of sufficient size and capacity and equipped to produce holes of the diameter and depth specified.
506.4CONSTRUCTION
506.4.1 Drilled Holes
1 At least 30 calendar days prior to the start of drilled shaft construction, submit four
copies of the Drilled Shaft Excavation and Installation Form E-151 for acceptance to the engineer, with a copy to the Geology Program. The department will evaluate the Drilled Shaft Excavation and Installation Form E-151 for conformance with the contract and specifications within ten working days after receipt of the submission. At the option of the department, a Drilled Shaft Installation Plan Meeting may be scheduled following review of the contractor's initial submittal of the form. Do not begin work until the Drilled Shaft Excavation and Installation Form E-151 is accepted in writing by the engineer.
443
Drilled Shaft Foundations