| PROPOSED BMPs | Form: (07 )
0
1/23/2012 | Site Specific Conditions and Storm Water Management Plan
SITE DESCRIPTION:
Project/Site Name: Federal 299 -27 -5 Field Name: Ryan Gulch
Location: Section 27, Township 2 South, Range 99 West
CDPS Permit #:COR- 03A115
Site Type: Well Pad
CDPS Permit Date: 05/16/06
Estimated Disturbance: —1.3 Acres (existing disturbance)
SWMP Administrator: Mike Gardner
Inspection Type: 14 day upon construction; 30 day upon interim reclamation
SOIL AND VEGETATION DESCRIPTION:
Soil Types: Redcreek- Rentsac complex Soil Erosion Potential: Moderate
Pre Construction Estimated Runoff Coefficient: 0.1 -0.3
Post Construction Estimated Runoff Coefficient: 0.3
Existing Vegetation Description:Pinyon- Juniper woodland with assorted grasses /shrubs
Pre - Disturbance Vegetative Cover: N/A (existing location)
Seed Mix for Interim Reclamation: TBD by BLM
Final Stabilization Date: TBD
RECEIVING WATERS
Name of Receiving Waters: Tributary to Stake Springs Draw to Colorado River
Distance to Receiving Waters: —0.25 Miles
Non -Storm Water Discharges: None Anticipated
Description of Potential Pollution Sources: Refer to Ryan Gulch Field Wide SWMP
Phased BMP Implementation:
Due to this being an existing location that is currently in interim reclamation,construction phase is not applicable. No additional surface disturbance is anticipated.
Construction Phase:
No additional surface disturbance is anticipated.
Interim Reclamation Phase:
The subject well pad is currently in interim reclamation. All areas not needed for production have been reclaimed. While the well is being prepared for injection, it may be necessary to stage additional equipment on the location. In the event that this occurs, and a disturbance to the reclaimed area is created, additional seeding efforts will be implemented.
A row of straw wattles will be installed along the northeast corner of the pad for additional stormwater management, and will be maintained until the site has achieved successful interim reclamation.
Final Stabilization Phase:
After all wells have been plugged and abandoned, and production facilities are removed, the well pad will be graded to restore pre - disturbance contours. Any remaining topsoil
will be spread onto the re- contoured surface. The well pad will be re- seeded upon completed grading activities. Storm water inspections will continue until the site has
reached a stabilization level of 70% of pre - disturbance conditions. Once the site reached final stabilization, a post construction storm water management program will be
implemented per COGCC Final Amended Rules (December 17, 2008), Rule 1002 (f) (3).
*NOTE:
This document is intended to serve as a preliminary plan to document proposed stormwater management practices for this project. Any additional/alternative site stabilization and/or reclamation efforts may be employed in reflection of unforeseen site conditions or resource availability, and will be
updated into the Ryan Gulch Field Wide SWMP per requirements of CDPS Permit COR- 03A115, regulated by the Colorado Department of Health and Environment's
(CDPHE) General Permit No. COR- 03000.
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| PROPOSED BMPs | Form: (07 )
0
1/23/2012 | Proposed BMPs
Williams Production RMT
Federal 299 -27 -5 SWD Well
Attachment to Form 2A
• To the extent practicable, share and consolidate new corridors for pipeline rights -
of -way and roads to minimize surface disturbance.
• Engineer new pipelines to reduce field fitting and reduce excessive right -of -way
widths and reclamation.
• Use wildlife appropriate seed mixes wherever allowed by surface owners and regulatory
agencies.
• Post speed limits and caution signs to the extent allowed by surface owners, Federal and state regulations, local government, and land use policies, as appropriate.
• Use remote monitoring of well operations to the extent practicable.
• Install and utilize bear -proof dumpsters and trash receptacles for food - related trash at all facilities that generate such trash.
• Plan new transportation networks and new oil and gas facilities to minimize surface disturbance and the number and length of oil and gas roads and utilize common roads, rights of way, and access points to the extent practicable
• Apply an aggressive, integrated, noxious and invasive weed management plan. Utilize an adaptive management strategy that permits effective responses to monitored findings and reflects local site and geologic conditions
• Perform interim reclamation on all disturbed areas not needed for active support of production operations.
• Control weeds in areas surrounding reclamation areas in order to reduce weed competition.
• Educate employees and contractors about weed issues.
• Maintain pre and post development site inspection records and monitor operations for compliance.
• Utilize GIs technologies to assess the extent of disturbance and document the reclamation progression and the footprint of disturbances.
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