_ENFORCEMENT - C1981017 ‎(2)‎

• Permit No: C1981017
• IBM Index Class Name: Enforcement
• Doc Name: Bid Documents ‎(IMP)‎ CV-90-014
• Violation No.: C-90-014
• Media Type: D
• Archive: No

SCHEDULE TO NOTICE OF VIOLATION
As modified 7-21-90
Notice of Violation No. NOV C-90-014
NATURE OF VIOLATION:
1 . Failure to maintain culverts, specifically: failure to maintain haul road culvert
D-2 to prevent erosion and siltation of culvert and failure to maintain a diversion
culvert so as to prevent additional contributions of suspended solids to streamflow
and to runoff outside the permit area.
2. Failure to control discharge from a diversion.
3. Failure to maintain a haul road such that required design standards are met
throughout the entire life of the facility.
ACT, REGULATION, OR PERMIT PROVISIONS) VIOLATED:
ACT SECTIONS) CRS 34-33-121 (2)(i ); CRS 34-33-120(2)(d); CRS 34-33-120(2)(j )(v)
REGULATION SECTION(S) 4.03.10 )(a)l 4.03.1 (4)(e)(vi ) ; 4.03.1 (6)(a), 4.05.3(3);
4.05 .7
PORTION OF THE OPERATION TO WHICH THIS NOTICE APPLIES:
1 . Road drainage culvert D-2 as depicted on "No. 1 Mine Haulage Road D Drainage Plan
ll-B-App. 7 - Att.2
2. The CMP diversion, drop structure, and culvert conveying undisturbed drainage
from above Mine #1 , Pad 1 below the pad down the pad outslope, under the road
and down the road outslope.
3. The conveyance CMP under the haul road from pad 4 to the sediment ponds below
pad 4.
STEPS NECESSARY TO ABATE VIOLATION (REMEDIAL ACTION):
Ia. Repair or replace CMP culvert D-2 so as to prevent further piping and outslope
erosion.
b. Repair and stabilize road outslope at outlet of D-2.
2a. Repair or replace damaged portion of the CMP structure.
b. Stabilize outslope beside CMP down road outslope.
3. Repair inlet and outlet structures of CMP draining pad 4 to ponds below.
TIME FOR ABATEMENT (NOT MORE THAN 90 DAYS) :
ON OR BEFORE June 16 , 1990
All abatement steps must be completed by above date.
9034F/scg