Castleton Dam Partial Removal- Addendum 1

Description

ADDENDUM 1 to Bidding Documents for Partial Removal of Castleton State College Dam (aka Glen Brook Dam) Vermont State University – Castleton Castleton, VT May 4, 2026 This Addendum modifies, amends and supplements the Bid Documents dated April 20, 2026 for the abovereferenced contract. 1. Summary of Pre-Bid Meeting: a. Scope – as described by the Bid Documents, the Project generally includes removal of the top 2 to 3 ft. of the existing concrete, excavation of sediment and placement in upland, filling of low level outlet, treatment of knotweed, and seeding/restoration of grass. b. Water control – the Bid Documents require the Contractor to control water to perform the work in-the-dry. The method(s) of water control, whether pumping, siphoning, diversion, cofferdams, use of low-level outlet (if operable), or other, are at the Contractor’s discretion within the constraints described on the Drawings (e.g. Sheet 2, notes 32 through 43, etc.). c. Schedule – As described by the Bid Documents, construction start is expected on or about July 6, 2026, substantial completion is required by August 7 with project completion by August 21, 2026. d. The following permits have been obtained or are pending approval and are applicable to the Contractor’s work on the Project: i. VT Dam Safety ii. VT Act 250 iii. VT Flood Hazard and River Corridor Rule iv. USACE Project Notification Form (pending) v. VT Section 402/NPDES (pending) e. As described by the Bid Documents, the Project is funded in part by a FEMA grant and, as such, is subject to Buy America, Davis Bacon Act, and other federal laws and rules. 2. Pre-bid meeting attendees and plan holders: a. Sam Markowski, Markowski Excavating, sam@markowskiex.com b. Brad Kendall, Favian Earth Moving, bradkendall@fabianearthmoving.com c. Daniel Brill, Davenport Excavation, RDdavenp@gmail.com 3. Questions received during or after pre-bid meeting and responses: a. Q: The Drawings specify concrete removal – what finish is required, sawcut (smooth) or hammered? A: Drawing Sheet 5, Note 1.2 specifies sawcut. Owner will accept hammered/broken surface, however, if the finished surface at all points is within ±0.1 ft. of the design surface elevation p. 1 of 4 Addendum 1 to Bid Documents Partial Removal of Castleton State College Dam, VSU-Castleton SA File No. 141-20-0013 May 4, 2025 Page 2 of 4 and dimension, remaining concrete to is intact and undamaged, and appearance is acceptable to Owner. b.