CBDT Update
December 2025
Cemetery Brook Drain Tunnel
Monthly Progress Update
December 2025 Summary
December 2025 brought steady progress across all Cemetery Brook Drain Tunnel work sites. Crews continued excavation, utility adjustments, and structural preparation while coordinating between Methuen Construction and UBY to keep each location safe and moving forward. This month’s footage captures evolving site conditions, winter‑season challenges, and the early shaping of the drainage infrastructure that will support the final tunnel system.