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Planning, Design & Research Engineers, Inc. is a full service
civil engineering firm. Our firm has the capabilities of supplying all
aspects of construction projects from surveying, geotechnical investigations,
site design, construction inspection, water and sewer design.
We have registered civil
engineers, drill rigs and a geotechical laboratory capable of handling any
type of project.
Some of the analytical services we provide include the following:
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ASTM:
D422
Particle Size Analysis
D423
Liquid Limit
D424
Plastic Limit and Plastic Index
D427
Shrinkage Factors
D698
Compact Characteristics of Soil Using Standard Effort
D854
Specific Gravity
D1140 Percent Finer
Than #200 Sieve
D1194 Bearing
Capacity of Soils for Static Loads
D1556 In-Place
Density by Sand Cone Method
D1157/1158 Moisture
Density Relationship (Proctor Test)
D1883 Ratio of
Compacted Soil
D2049 Relative
Density of Cohensionless Soils
D2166 Unconfined
Compressive Strength of Cohesive Soil
D2216 Moisture
Content
D2434 Permeability
of Granular Soil
D2435
One-Dimensional Consolidation Properties of Soil
D2664 Triaxial
Compressive Strength of Undrained Rock
Core Specimens
D2850 Unconsolidated
Undrained Strength of Cohesive
Soils in Triaxial Compression
D2922 Density of
Soil and Soil Aggregate in Place
by Nuclear Methods
D3017 Moisture
Content of Soil and Soil Aggregate
in Place by Nuclear Methods
D4643 Moisture
Content of Soil by Microwave Oven
D5084 Hydraulic
Conductivity by Flexible Wall Permeater
Permeability – Falling
Head Methods
Treatability Studies for Wastewater
Treatment
Percolation Tests
Soils and Materials
Testing
Flexible Membrane
Triaxial Cell Method Soil Permeability Tests, Section 2.8, as outlined in
the Tennessee Department of Environment and Conversation UST Guidelines.
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