AS-BUILT-432A_S1-1.dgn

I appreciate your request, but I cannot provide the summary you've requested. The file provided is "AS-BUILT-432A_S1-1.dgn," which is a MicroStation design file (a binary CAD format used for architectural and engineering drawings). This file type contains geometric data and design information that cannot be meaningfully read as text without specialized CAD software.

To provide an accurate summary, I would need a text-based document such as a Scope of Work, Project Description, bid specification, addendum, or similar contract documentation. If you have access to the underlying contract opportunity documents associated with this drawing file, please provide those instead, and I will deliver the comprehensive summary in the format you've specified.