419 SUBFOUNDATION INVESTIGATION
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- Conduct an investigation to verify the character and suitability of the subfoundation material for foundation purposes.
- Not applicable.
- Drill test holes per T 206 and T 225 at least 10 working days prior to excavation or pile driving in that area. Notify the Engineer at least 10 working days prior to drilling. Drill holes at the locations and to the depths specified. Record all information on the Administration’s boring log Form No. SHA 73.0-46, available from the Office of Materials Technology. Provide an approved geologist or a geotechnical engineer that is a professional engineer registered in the State of Maryland to ensure that the test holes conform to these Specifications.
- Submit the drilling results within two working days after drilling any given hole. Within five working days after receipt, the Engineer will evaluate the subfoundation investigation to determine if any change in the as-planned excavation is necessary. Do not begin excavation until the Engineer’s evaluation is received for that particular foundation.
419.04 MEASUREMENT AND PAYMENT
- Subfoundation Investigation will be measured and paid for at the Contract unit price per linear foot for the actual total length of holes drilled. The payment will be full compensation for the geologist or geotechnical engineer services, and for all material, labor, equipment, tools, and incidentals necessary to complete the work.