4500-Robbins Key Project

The Alabama Department of Workforce is seeking qualified contractors to perform a comprehensive reclamation of abandoned mine land at Robbins Key in Walker County. The work includes site preparation, extensive earthwork, erosion‑control installations, dam backfill, utility pipe placement, soil amendment, seeding, mulching, and post‑construction environmental monitoring, all to be completed within a 60‑work‑day schedule. • Mobilization, storm‑water erosion‑control management, and site clearing (≈9 acres). • Unclassified excavation (≈16,600 cu yd) with backfill, compaction, and dam construction. • Installation of silt fences, wattles, terraces, erosion‑control blankets, riprap, filter fabric, and related BMPs. • Placement of 18‑in. HDPE pipe, anti‑seep collars, pond outlet structures, and detention‑pond baffles. • Soil improvement (dolomitic lime, fertilizer) and vegetative restoration (temporary & final seeding, mulching). • Strict compliance with ADEM Small Mining General Permit, pollution‑liability insurance, and on‑site monitoring requirements.