AMEND 0002 EDIT ***IIJA FUNDED** ADD EXTERNAL STAIRCASE AT ZFW ARTCC 6973GH-25-R-00179A

**IIJA (Infrastructure Investment and Jobs Act)** The Federal Aviation Administration (FAA) has a requirement to add an external staircase at the ZFW ARTCC facility in Fort Worth, PTX. An award for this requirement is anticipated to be made to the offeror with the lowest priced quote received on or before July 11, 2025, that can be determined fully responsive and responsible. SOLICITATION This is a competitive solicitation for a FIRM FIXED PRICE (FFP) contract. As such, any proposals received that take exception to the terms and conditions in this solicitation, proposes additional terms or conditions, or otherwise indicates within their proposal that their proposed pricing is not all inclusive of the FFP proposed cannot be evaluated at face value in a competitive environment and will, therefore, be determined ineligible for a contract award. Any activities or costs associated with offerors proposal development and submission thereof is at the risk of the offeror and will not be reimbursed by the FAA. A site visit has been scheduled for June 25, 2025 at 9-10am local time at the address below. Please let me know 2 days prior if you wish to attend. This site visit is only to see the actual site and not for answering questions not related to the Statement of Work. See below regarding submission of any and all questions. Site Visit POC: Bruce Smith 817-858-7442 Location: ZFW ARTCC Facility; Meet at Guard Shack Address: 13800 FAA Blvd, Fort Worth, TX 761551 QUESTIONS All questions regarding the project/specifications/plans must be received in writing via email to Nina.J.Musserf@faa.gov no later than 1 week prior to the scheduled close date to allow for responses to be provided prior to due date for receipt of proposals. Please mark all emails with 6973GH-25-R-00179 ZFW ARTCC External staircase addition in the subject line. INSTRUCTIONS Full instructions for submitting an offer are found in Section L starting on page 52 of the solicitation document. Make sure to complete the following: (a) Completed SIR document with all pricing information in Section B and (b) Representation and certifications in Section K (starting on page 43) marked with acceptable responses. Submit as a complete document. Do not excerpt and consolidate fill-in pages. (c) Completed Experience Questionnaire attached in Section J which demonstrates the following information: - Both projects involve . - All projects submitted must have been underway or completed within the last three years from the closing date of this SIR - Projects must be valued at or over $50,000.00 - All form blocks must be filled in to include Customer POC contact information. ***PROPOSALS THAT DO NOT INCLUDE A COMPLETED SIR DOCUMENT AND COMPLETED EXPERIENCE FORM DOCUMENT WILL NOT BE ELIGIBLE FOR AWARD*** EVALUATION FACTORS Evaluation factors and basis for award are found in Section M on page 58 of the solicitation document. AWARD DECISION The FAA intends to award a contract to the lowest price offeror determined to be eligible for award. The FAA reserves the right to cancel this requirement at any time and without notice. OFFER DUE DATE All responses to this solicitation must be received by email to Nina.j.musser@faa.gov on or before July 11, 2025 at 1500 (3:00 PM) Central Time. Please include "SIR Response: 6973GH-25-R-00179 "ZFW ARTCC External Staircase Addition" within the subject line of your email.

20250710 - AMEND 0001 issued to extend the due date for proposals to July 25, 2025 at 3pm CT All other terms and conditions remain the same. ____________________________________________________________________________________________ **IIJA (Infrastructure Investment and Jobs Act)** The Federal Aviation Administration (FAA) has a requirement to add an external staircase at the ZFW ARTCC facility in Fort Worth, PTX. An award for this requirement is anticipated to be made to the offeror with the lowest priced quote received on or before July 11, 2025, that can be determined fully responsive and responsible. SOLICITATION This is a competitive solicitation for a FIRM FIXED PRICE (FFP) contract. As such, any proposals received that take exception to the terms and conditions in this solicitation, proposes additional terms or conditions, or otherwise indicates within their proposal that their proposed pricing is not all inclusive of the FFP proposed cannot be evaluated at face value in a competitive environment and will, therefore, be determined ineligible for a contract award. Any activities or costs associated with offerors proposal development and submission thereof is at the risk of the offeror and will not be reimbursed by the FAA. A site visit has been scheduled for June 25, 2025 at 9-10am local time at the address below. Please let me know 2 days prior if you wish to attend. This site visit is only to see the actual site and not for answering questions not related to the Statement of Work. See below regarding submission of any and all questions. Site Visit POC: Bruce Smith 817-858-7442 Location: ZFW ARTCC Facility; Meet at Guard Shack Address: 13800 FAA Blvd, Fort Worth, TX 761551 QUESTIONS All questions regarding the project/specifications/plans must be received in writing via email to Nina.J.Musserf@faa.gov no later than 1 week prior to the scheduled close date to allow for responses to be provided prior to due date for receipt of proposals. Please mark all emails with 6973GH-25-R-00179 ZFW ARTCC External staircase addition in the subject line. INSTRUCTIONS Full instructions for submitting an offer are found in Section L starting on page 52 of the solicitation document. Make sure to complete the following: (a) Completed SIR document with all pricing information in Section B and (b) Representation and certifications in Section K (starting on page 43) marked with acceptable responses. Submit as a complete document. Do not excerpt and consolidate fill-in pages. (c) Completed Experience Questionnaire attached in Section J which demonstrates the following information: - Both projects involve . - All projects submitted must have been underway or completed within the last three years from the closing date of this SIR - Projects must be valued at or over $50,000.00 - All form blocks must be filled in to include Customer POC contact information. ***PROPOSALS THAT DO NOT INCLUDE A COMPLETED SIR DOCUMENT AND COMPLETED EXPERIENCE FORM DOCUMENT WILL NOT BE ELIGIBLE FOR AWARD*** EVALUATION FACTORS Evaluation factors and basis for award are found in Section M on page 58 of the solicitation document. AWARD DECISION The FAA intends to award a contract to the lowest price offeror determined to be eligible for award. The FAA reserves the right to cancel this requirement at any time and without notice. OFFER DUE DATE All responses to this solicitation must be received by email to Nina.j.musser@faa.gov on or before July 11, 2025 at 1500 (3:00 PM) Central Time. Please include "SIR Response: 6973GH-25-R-00179 "ZFW ARTCC External Staircase Addition" within the subject line of your email.

****EDIT TO AMENDMENT 0002 - ADDED ATTACHMENT REFERENCED IN Q&A RESPONSE**** 20250722- Please see Amendment 0002, which does the following 1)Extend the due date for proposals from July 25, 2025 to July 31st 2025 at 3pm. 2.) All other terms and conditions remain unchanged. Note: Amendment must be acknowledged when submitting proposal. Note: Questions and Answers are posted in the Attachment Section for review. ______________________________________________________________________________________ 20250710 - AMEND 0001 issued to extend the due date for proposals to July 25, 2025 at 3pm CT All other terms and conditions remain the same. ____________________________________________________________________________________________ **IIJA (Infrastructure Investment and Jobs Act)** The Federal Aviation Administration (FAA) has a requirement to add an external staircase at the ZFW ARTCC facility in Fort Worth, PTX. An award for this requirement is anticipated to be made to the offeror with the lowest priced quote received on or before July 11, 2025, that can be determined fully responsive and responsible. SOLICITATION This is a competitive solicitation for a FIRM FIXED PRICE (FFP) contract. As such, any proposals received that take exception to the terms and conditions in this solicitation, proposes additional terms or conditions, or otherwise indicates within their proposal that their proposed pricing is not all inclusive of the FFP proposed cannot be evaluated at face value in a competitive environment and will, therefore, be determined ineligible for a contract award. Any activities or costs associated with offerors proposal development and submission thereof is at the risk of the offeror and will not be reimbursed by the FAA. A site visit has been scheduled for June 25, 2025 at 9-10am local time at the address below. Please let me know 2 days prior if you wish to attend. This site visit is only to see the actual site and not for answering questions not related to the Statement of Work. See below regarding submission of any and all questions. Site Visit POC: Bruce Smith 817-858-7442 Location: ZFW ARTCC Facility; Meet at Guard Shack Address: 13800 FAA Blvd, Fort Worth, TX 761551 QUESTIONS All questions regarding the project/specifications/plans must be received in writing via email to Nina.J.Musserf@faa.gov no later than 1 week prior to the scheduled close date to allow for responses to be provided prior to due date for receipt of proposals. Please mark all emails with 6973GH-25-R-00179 ZFW ARTCC External staircase addition in the subject line. INSTRUCTIONS Full instructions for submitting an offer are found in Section L starting on page 52 of the solicitation document. Make sure to complete the following: (a) Completed SIR document with all pricing information in Section B and (b) Representation and certifications in Section K (starting on page 43) marked with acceptable responses. Submit as a complete document. Do not excerpt and consolidate fill-in pages. (c) Completed Experience Questionnaire attached in Section J which demonstrates the following information: - Both projects involve . - All projects submitted must have been underway or completed within the last three years from the closing date of this SIR - Projects must be valued at or over $50,000.00 - All form blocks must be filled in to include Customer POC contact information. ***PROPOSALS THAT DO NOT INCLUDE A COMPLETED SIR DOCUMENT AND COMPLETED EXPERIENCE FORM DOCUMENT WILL NOT BE ELIGIBLE FOR AWARD*** EVALUATION FACTORS Evaluation factors and basis for award are found in Section M on page 58 of the solicitation document. AWARD DECISION The FAA intends to award a contract to the lowest price offeror determined to be eligible for award. The FAA reserves the right to cancel this requirement at any time and without notice. OFFER DUE DATE All responses to this solicitation must be received by email to Nina.j.musser@faa.gov on or before July 11, 2025 at 1500 (3:00 PM) Central Time. Please include "SIR Response: 6973GH-25-R-00179 "ZFW ARTCC External Staircase Addition" within the subject line of your email.