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At Tai and Associates, we make every effort to
understand construction and understand contractors. Our reputation is based on years of
experience in working with contractors and design team members to find the
most feasable solutions to soils and foundation engineering problems. We also understand the role of construction
schedule in determining feasability.
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CONSTRUCTION SERVICES
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Borrow Investigation
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Mass Grading Fill Inspection and Testing
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Foundation Installation
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Pile Load Testing
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Timber, Concrete and Steel Driven Piles
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Caisson Bearing Test
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Drilled Pile, Mini-Pile, Slurry Caisson
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Rock Anchor Testing
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Settlement Monitoring
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Temporary Bracing System
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Standard Proctor Test (ASTM D-698)
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Modified Proctor Test (ASTM D-1557)
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Density Testing (ASTM D-1556)
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Natural Moisture Test (ASTM D-2216)
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Atterberg Limits (ASTM D-4318)
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Grain Size Distrubution (ASTM D-422)
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CBR Test (ASTM D-1883)
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Triaxial Shear Test (ASTM D-2850)
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Consolidation Test (ASTM D-2435)
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Sample Classification (ASTM D-2488)
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Permeability Test (ASTM D-2434)
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Concrete (ASTM C-31, 39, 143, etc.)
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Concrete Core (ASTM C-42)
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Rebar Location Within Concrete Prior To Core
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Floor Flatness and Levelness (ASTM E-1155)
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Fireproofing (ASTM E-605)
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Structural Steel
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In addition to providing field services during the
grading and foundation construction phases, we also provide a full array of
concrete and materials testing services.
Below is a description of field services we provide that
may be pefrormed on a standard, large project:
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Prior to construction, study the project plans,
specifications and subsurface exploration report in detail. Review in detail with all field personnel
involved from our office.
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Inspect cleared site subgrade prior to placement
of fill. If required, provide
recommendations for remediation of unsuitable subgrades. Proctor testing and classification of
proposed borrow soils. Observe and
test fill placement and compaction, density and moisture content. Inspect the final graded subgrade prior
to footing excavation or placement of base course. Prepare recommendations for use of
geofabrics and geogrids as required.
Provide recommendations required in the field without delay of
construction.
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Inspect shallow and/or deep foundation systems
for the required bearing capacity.
As required, provide recommendations for remediation of foundation
systems not meeting the project requirements or intent of the subsurface
exploration report in a fast, cost effective manner.
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Inspect rebar placed for steel reinforced
concrete. Inspect post-tensioned
concrete for placement and tensioning.
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Field sample and test concrete. Lab testing of concrete including
compressive strength, flexural strength and flatness and levelness testing. Provide on-site laboratory for concrete
testing.
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Perform floor flatness and levelness testing.
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Structural steel testing including visual
inspection, bolt torque, magnetic particle, liquid penetrant, and
ultrasonic examination by a Certified Welding Inspector, in the field or at
the shop.
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Test sprayed-on fireproofing materials for
thickness, density and bond.
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Masonry Testing and Inspeciton.
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Various other testing including fireproofing,
asphalt, roofing, etc.
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Work with Special Inspectors to meet requirements
of the IBC.
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