_ENFORCEMENT - C1981017 ‎(10)‎

• Permit No: C1981017
• IBM Index Class Name: Enforcement
• Doc Name: Bid Documents ‎(IMP)‎ Violation CV-90-049
• Violation No.: C-90-049
• Media Type: D
• Archive: No

inside . :f current use is Licht use , but future use is for access
or coal haulage, unneeded wia=n should be ripped and seeded.
In either case , appropriate drainage control structures should be
installed and maintainec . In road segments where road ditches
cannot be maintained , a combination or watarbars and outside berms
may be aporopriate, but the maintenance olan 'would need to address
how snow removal would be acc_mplished witncuz pus^ing bean
material over the outslcpe .
On some light use road segments where surface rill erosion is a
problem, waterbars or bell-line surface water deflectors which would
intercept road surface drainage , but not ditch drainage may be
appropriate.
Consideration should be given to replacing culverts which are
subject to frequent clogging or abrasion with appropriately
designed and cutfall protected dips or low water crossings .
Given the high maintenarce nature of the C-call °as' n road system, a
spe:ific commitment or time a^d resources to regular and post storm
event inspection and maintenance is critical . Plans for snow
removal which are practical , yet compatible with the goal of
minimizing sedimentation from the road system should be deveiooed.
Locations for storage or disposal and stabilization of sediment
from ditch or sediment trap cleanout need to be specified .
With rescec: to road width recuction , in most case_ should be
accomplished by a c:mcination of fill slope crest reduction and
moving the drainage ditch fur.her, out from the cut slope . an
exception would be upper segments of Road G which are characterized
by well vegetated cut and fill slopes and which have experienced
very little erosion. In such areas , the fill slope should not be
disturbed.
Problem: Excessive sedimentation to streams from road surfaces and drainage
ditcnet_ ( sea NCV -91-Q17)
Contributing Facers :
Excessive ditch gradients , erosive velocities
Culverts or ditch relief drains which divert lance volumes of
sediment laden runoff directly into waver courses or onto steep,
non vegetated slooes with little or no potential for any retying of
sediment before the runoff reaches a live water course .
Possible approaches :
Riprap erosive ditch segments and/or install check structures to
slow velocities .
Provide additional ditch relief structures (culverts , waterbars ,
rolling dips) in locations where vegetation will provide some
Filtering cf sediment .