BGS Bedrock Coring Services

10/27/2026 - Addendum 3 is being added to this Solicitation 6100066663 to extend the submission due date to Tuesday, November 3, 2026, at 2:00 PM, to answer a question submitted by a vendor, to issue a revised Statement of Work (changes are highlighted in yellow), and to revise Line Items. Line Items 7 and 8 are being deleted and New Lines 11-16 are being added to separate out the different borehole diameters that can be anticipated for this contract. ************************************ 10/26/2026 - Addendum 2 is being added to this Solicitation 6100066663 to extend the submission due date to Thursday, October 29, 2026, at 2:00 PM and to answer a question submitted by a vendor. ************************************ 10/16/2026 - Addendum 1 is being added to this Solicitation 6100066663 to extend the submission due date to Tuesday, October 27, 2026, at 10:00 AM. ************************************ The Department of Conservation and Natural Resources (DCNR), Bureau of Geological Survey (BGS) seeks to contract a vendor for drilling and rock coring services to support geologic mapping efforts, groundwater resource investigations, and geotechnical investigations throughout the Commonwealth of Pennsylvania.