Specifications include, but are not limited to: Category A: Construction Materials Testing The services associated with this category will typically include laboratory and field testing of construction materials and preparations of testing and inspection reports. The City requires the selected firms to provide “call-out” sampling, laboratory and field investigations, and preparation of reports indicating whether the materials meet the requirements of the Construction Documents. Work in this area may include one or more of the following: soil, rock, concrete, Hot Mix Asphalt Concrete (HMAC), flexible base stockpiles, and Special Inspections required by Code and regulatory requirements. Category B: Geotechnical Engineering The City anticipates a combination of services for Geotechnical Engineering including subsurface exploration, laboratory and field-testing of soil and rock, and geotechnical engineering analyses and recommendations. Firms selected for this category will be expected to: ▪ Conduct field investigations of subsurface soil and rock. ▪ Perform standard laboratory tests to determine soil and rock properties and accurately depict existing subsurface conditions. ▪ Perform specialized tests such as hardness and abrasivity, and other special tests as required.