2024-03-01_PERMIT FILE - C1983059 ‎(2)‎

• Permit No: C1983059
• IBM Index Class Name: Permit File
• Doc Date: 3/1/2024
• Section_Exhibit Name: 2.05 Operation and Reclamation Plans
• Media Type: D
• Archive: No

• In the sediment pond, a non -clogging dewatering device or principle
spillway will be located at an elevation equal to the maximum
sediment storage volume. Dewatering will be achieved as necessary
to comply with the applicable state laws and regulations.
Generally, runoff will be contained an average of 24 hours prior to
discharge to allow suspended solids to settle. Dewatering will be
completed by opening a gate valve located within the principle
spillway.
Sediment will be removed from the sedimentation pond when the level
of the sediment approaches 758 of the design sediment level for the
pond. The sediment level in the dugout pond will be monitored
closely and if any sediment does reach the pond it will be promptly
removed. The sediment pond, dugout pond and sediment fences will
be monitored quarterly for sediment accumulation and necessary
maintenance. If it is determined that sediment removal or
maintenance is required after a quarterly inspection, such removal
or maintenance will take place before the end of the following
quarter.
The sediment pond will be constructed so the minimum elevation at
the top of the settled embankment is at least one foot above the
elevation of the surface water in the pond when the emergency
• spillway is flowing at the design depth. TCC has designed,
constructed and will maintain the sedimentation pond to prevent
short circuiting. The inflow to the pond will be at the opposite
end from the outflow structures.
•
The sediment pond embankment will be less that 10 feet in vertical
height from the downstream toe of the embankment to the bottom of
the emergency spillway.
To allow for settling, the constructed height of the sedimentation
embankment will be at least 58 greater than the designed height.
During construction, a registered professional engineer will ensure
that all construction is accomplished according to design and
applicable regulations. The sedimentation pond embankment and
surrounding areas disturbed by construction will be seeded after
the embankment is completed. Areas in which vegetation is not
successful or where rills and gullies develop will be repaired and
revegetated. The sedimentation pond will remain in place until the
loadout activities cease; the pond will then be removed when the
area has been reclaimed and revegetated.
2.05 - 23R
Rev. 10-30-92