Specifications include, but are not limited to: The project includes three sites consisting of portals and drainage work including; three
modified wet seals; one steel frame bat gate mounted on a concrete mine entry, two 36-
inch diameter HDPE bat gate seals, four Polyurethane Foam (PUF) seals, and two
collapsed draining portals stabilized with rip rap slope protection. Other work will
include; temporary erosion and sediment control, temporary improvement of existing
roads for construction access, demolition and backfill of old mining structures,
construction of a low water crossing, gravel blanket installation for surface
stabilization/drainage, cleanup of trash and garbage, and re-vegetation of disturbed areas
• Mobilization/Demobilization of necessary and sufficient sized equipment to the
project areas to complete the project within the stated time frames.
• Survey and construction layout of grading, facilities, constructions, and
appurtenances shown on the Plans.
• Quality control.
• Erosion and sediment control during construction in accordance with the
approved Construction Stormwater Permit and Plans