| OGLA | Form: (02A) 400508170 12/23/2013 | TLVSTs may only be utilized for the storage of freshwater obtained legally from an adjudicated consumable water supply. E&P wastes, including treated E&P wastes and flowback during hydraulic fracturing operations, are not allowed. |
| OGLA | Form: (02A) 400508170 12/23/2013 | TLVSTs shall be constructed and operated in accordance with a design certified by a Colorado Licensed Professional Engineer. |
| OGLA | Form: (02A) 400508170 12/23/2013 | TLVSTs shall be re-certified by the manufacturer and/or certifying Professional Engineer at least every 100 set-ups. Length of tank service and tank re-certification records from the TLVST contractor shall be provided to the COGCC upon request. |
| OGLA | Form: (02A) 400508170 12/23/2013 | All liner seams shall be welded at the liner manufacturers facility; field welded liners shall not be used. If liners are re-used, liner installation shall be noticed on a Form 42 to COGCC 48-hours prior to installation. If liners are re-used, liner installation shall be noticed on a Form 42 to the COGCC 48-hours prior to installation. |
| OGLA | Form: (02A) 400508170 12/23/2013 | Site preparation and installation oversight will be provided by a Professional Engineer or their designated representative. |
| OGLA | Form: (02A) 400508170 12/23/2013 | TLVSTs shall not be located on non-engineered fill material. If areas are to be graded and disturbed, the operator shall conduct such activity in accordance with COGCC Rules 1002.b. and 1002.c. |
| OGLA | Form: (02A) 400508170 12/23/2013 | COGCC Rules 604.a. and 605.a.(2,3,5,6,7, and 8), as applicable to tank setbacks at the time of installation shall apply to the siting of TLVSTs. |
| OGLA | Form: (02A) 400508170 12/23/2013 | TLVSTs will be brought into service incrementally, by loading to 25%, 50%, 75%, and 100% capacity (subject to freeboard) and held at each level without leaks for 24-hours prior to increasing load. |
| OGLA | Form: (02A) 400508170 12/23/2013 | Signs shall be posted on each TLVST to indicate contents are freshwater and that no E&P waste fluids are allowed. Location and additional signage shall conform to Rule 210. |
| OGLA | Form: (02A) 400508170 12/23/2013 | TLVSTs will be operated with a minimum of 1 foot freeboard. |
| OGLA | Form: (02A) 400508170 12/23/2013 | Access to the tanks shall be limited to operational personnel. |
| OGLA | Form: (02A) 400508170 12/23/2013 | Operators or their designated representatives shall conduct regular visual inspections of the exterior wall and general area for any integrity deficiencies. These inspections will be recorded and maintained for a period of at least 5 years per Rule 205. Inspection records shall be provided to the COGCC upon request. |
| OGLA | Form: (02A) 400508170 12/23/2013 | Operator shall develop a Contingency Plan for any TLVST leak or catastrophic failure of the tank integrity and resulting loss of fluid. The plan should included a notification process to the COGCC and local Emergency authority (municipality, county or both) for any failure and resulting loss of fluid. The Contingency Plan shall be made available to the COGCC upon request. |
| OGLA | Form: (02A) 400508170 12/23/2013 | Should a failure of TLVST integrity occur, operator shall notify COGCC upon discovery, report the incident to COGCC on a Form 22-Accident Report within 10 days and shall conduct a "root cause analysis" and provide it to COGCC on a Form 4-Sundry Notice within 30 days of the failure. |