| Planning | Form: (02A ) 401214947 6/29/2017 | Operator shall submit a Form 42 to the COGCC 48 hours prior to commencement of construction activities. |
| Construction | Form: (02A ) 401214947 6/29/2017 | The following procedure describes BCEOC standard construction practices for setting a partially buried pre-cast cement water vault and new tank battery construction.
1) The excavation will first be lined with 4” of clay or other low permeability soil.
2) A 30 mil liner will be installed on top of the low permeability soil. The 30 mil liner will be a contiguous liner which will underlay the entire tank battery.
3) The tank battery / water vault liner will be keyed into a galvanized steel containment ring installed surrounding the tank battery.
4) Sand bedding will be installed to protect the synthetic liner prior to placing equipment in the containment area.
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| Construction | Form: (02A ) 401214947 6/29/2017 | Bonanza Creek Energy acknowledges and will comply with the “COGCC Policy On the Use of Modular Large Volume Tanks in Colorado” dated June 13, 2014. |