Amendment 0005 Additional Clarification on Design/Build Underground Utilities Replacement & Parking Lot Refurbishment Project - Denver Air Route Traffic Control Center (ARTCC) - Longmont, CO - BIL Funded Project

Amendment 0005 is to add clarifying information regarding gas lines located within the FAA ARTCC property lines. See Attachment entitled "697DCK-24-R-00361 Amendment 0005".

Amendment 0004 is to post questions received and their applicable answers and to extend the offer deadline date to Wednesday, July 24, 2024 5:00 PM MT. See attached 697DCK-24-R-00360 Amendment 0004 & Attachment 1 REV. 1 - Statement of Work.

Amendment 0003 is to extend the offer deadline date to July 15, 2024, to complete the Q&A process. See attached Amendment 0003 form

Amendment 0002 is to correct the recently revised deadline dates for both the questions due and the offer deadline. See attached Amendment 0002 Questions due by Monday, June 10, 2024, 5:00PM MT Offers due by Monday, June 24, 2024, 5:00PM MT

Amendment 0001 is to extend the QUESTION deadline date to Wednesday, June 5, 2024, 5:00PM MT & the OFFER deadline date to Monday, June 17, 2024, 5:00PM MT. See Amendment 0001 form.

The Federal Aviation Administration (FAA) is seeking qualified and capable contractors to submit offers for a Design-Build Underground Utilities Replacement and Parking Lot Refurbishment project located in Longmont, Colorado. This procurement is being set aside for a small business under NAICS code 237110 - Water and Sewer Line and Related Structures Construction, which has a small business size standard of $45.0 Million. Estimated size of this project: Between $5,000,000 and $10,000,000.

Work included in project: Provide underground utility investigation, site survey, engineering design, subcontractor procurement, and construction to complete the following work. • Provide utility investigation and evaluation to determine extent of replacement based on service life. • Based on investigative results, replace underground site utilities: gas, storm, sanitary, domestic water, manholes, fire water loop and hydrants. • Refurbish limited facility parking areas and sidewalks. **NOTE: ATTACHMENT 5(a) IS A CAD VERSION OF ATTACHMENT 5 AND IS UNABLE TO BE UPLOADED TO SAM.GOV DUE TO ITS FILE TYPE. IF YOU WOULD LIKE A COPY OF ATTACHMENT 5(a) PROVIDED TO YOU, PLEASE EMAIL CINDI.TJELDE@FAA.GOV AND IT WILL BE EMAILED TO YOU.

IMPORTANT DATES / TIMES (SEE ATTACHED RFO COVER LETTER & RFO SECTIONS L & M FOR COMPLETE DETAILS): RSVP FOR SITE VISIT BY EMAILING BOTH JOSEPH CRABTREE (joseph.crabtree@faa.gov) AND JAMIE LEHMER (james.r.lehmer@faa.gov) SITE VISIT SCHEDULED FOR THE WEEK OF MAY 20, 2024 QUESTIONS DUE BY 5:00PM MOUNTAIN TIME, WEDNESDAY, JUNE 5, 2024 OFFERS DUE BY 5:00PM MOUNTAIN TIME, MONDAY, JUNE 24, 2024