2025-043 - As-Needed Geotechnical and Materials Testing Services

The City of Aspen is accepting bids from qualified professionals to provide City staff with geotechnical and testing services on an as-needed basis.  The scope of services includes but is not limited to:

Geotechnical engineering and geologic studies services, which are offered during preliminary studies, design level investigations and forensic evaluations including:

• Soil Evaluation and Treatment
• Soils Report Preparation
• Foundation Design
• Slope Stability and Earth Retention Systems
• Dam Construction and Repair
• Field Investigation including drilling, sampling, coring, density, deflection testing, and analysis

• Drilled pier installation and site earthwork excavation, materials, and compaction testing
• Asphalt analysis, compaction testing, and mix design asphalt concrete testing including swell, stripping, and Lottman
• Aggregate laboratory services including gradation, reactivity, gravity / absorption, and abrasion
• Concrete strength testing including cylinders, on site curing services, compressive strength, density, trial batch, cement laboratory, fly ash laboratory, and shotcrete
• Floor flatness and reinforcement and placement observation
• Masonry inspections including compressive strength, brick, mortar and grout testing
• Proof loading anchor or dowels, and weld and bolt installation
• Framing observation
• Post tension observation and testing
• Sprayed fireproofing
• Steel testing including tensile strength