Attachment 10: Proposal Submission Package

SOLICITATION 140P4226R0026: ATTACHMENT 10

PROPOSAL SUBMISSION PACKAGE

August 13, 2026

INSTRUCTIONS: The following forms may be used to prepare proposals for the subject solicitation as applicable.

If alternate documentation is provided, it must include all the information required by Attachment 10 herein.

CONTENTS:

Relevant Experience Questionnaire
Biobased Certification

Attachment 10 – Proposal Submission Package

Solicitation No.: 140P4226R0026

Project Title: Allegheny Portage Railroad National Historical Site (ALPO) – Tunnel Stabilization of Staple Bend Tunnel.

Contractor UEI#

☐ a. SAM Registration under NAICS 237990 as small business. I certify that in accordance with Solicitation 140P4226R0026, I have registered as a Small Business under NACIS Code 237990 – Other Heavy and Civil Engineering Construction

☐ b. Biobased Certification. I certify that in accordance with Solicitation 140P4226R0026, Section C.29, RFO 52.223-1, I have completed and returned the Bio-Based Certification (see attached below).

☐ c. Limitations on Sub-Contracting Compliance Worksheet Contractors completed Attachment 9 – Limitation on Subcontracting compliance worksheet and the non-similarly situated sub-contractors (SSS) does not exceed the percentage stated for General Construction.

☐ d. Past Performance. I certify that in accordance with Solicitation 140P4226R0026, I have provided Relevant Past Performance Documentation (see attached below). By signing this letter, I certify to best of my knowledge that the information provided herein/above is true.

1009650100655
400000

161363972656
400000

81088097214
400000

Relevant Experience Questionnaire
READ CAREFULLY: The purpose of this form is for the offeror to list of three (3) projects performed that are similar to the work described in this solicitation. Only projects provided that are similar to the work described in the solicitation shall be considered relevant as stated in Factor 2. Use this form to address your familiarity with the project requirements and with the evaluation criteria described in the solicitation. Include Area Codes with all telephone numbers. Fill in the information by typing or printing legibly.

Project #1

Project Name:
Project Location:
Agency:
Contract Number:
Contract Value:
Period of Performance

Contact Information of Agency:
Name:
Phone#:
Email Address:

Project Description:

Project #2

Project Name:
Project Location:
Agency:
Contract Number:
Contract Value:
Period of Performance