Property:NEPA Resource Imposed Mitigation

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Property Name NEPA Resource Imposed Mitigation
Property Type Text
Description Agency imposed mitigation plan to minimize the risk of a potential negative impact to a NEPA resource with a geothermal development effort.


Pages using the property "NEPA Resource Imposed Mitigation"

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A

Antelope Valley Neset#NEPAImpact_with_Wastes_Hazardous_or_Solid +See [http://ww2.wapa.gov/sites/western/business/selling/Documents/2013%20Construction%20Standards.pdf Westerns Construction Standards] (Standard 13-Environmental Quality Protection) for applicable mitigation measures.
Antelope Valley Neset#NEPAImpact_with_Air_Quality +See [http://ww2.wapa.gov/sites/western/business/selling/Documents/2013%20Construction%20Standards.pdf Westerns Construction Standards] (Standard 13-Environmental Quality Protection) for applicable mitigation measures.
Antelope Valley Neset#NEPAImpact_with_Water_Quality +See [http://ww2.wapa.gov/sites/western/business/selling/Documents/2013%20Construction%20Standards.pdf Westerns Construction Standards] (Standard 13-Environmental Quality Protection) for applicable mitigation measures.
Antelope Valley Neset#NEPAImpact_with_Cultural_Resources +See [http://ww2.wapa.gov/sites/western/business/selling/Documents/2013%20Construction%20Standards.pdf Westerns Construction Standards] (Standard 13-Environmental Quality Protection) for applicable mitigation measures.
Antelope Valley Neset#NEPAImpact_with_Invasive,_Nonnative_Species +See [http://ww2.wapa.gov/sites/western/business/selling/Documents/2013%20Construction%20Standards.pdf Westerns Construction Standards] (Standard 13-Environmental Quality Protection) for applicable mitigation measures.
Antelope Valley Neset#NEPAImpact_with_Paleontological_Resources +See [http://ww2.wapa.gov/sites/western/business/selling/Documents/2013%20Construction%20Standards.pdf Westerns Construction Standards] (Standard 13-Environmental Quality Protection) for applicable mitigation measures.
Antelope Valley Neset#NEPAImpact_with_Vegetation +See [http://ww2.wapa.gov/sites/western/business/selling/Documents/2013%20Construction%20Standards.pdf Westerns Construction Standards] (Standard 13-Environmental Quality Protection) for applicable mitigation measures.
Antelope Valley Neset +See [http://ww2.wapa.gov/sites/western/business/selling/Documents/2013%20Construction%20Standards.pdf Westerns Construction Standards] (Standard 13-Environmental Quality Protection) for applicable mitigation measures.
Antelope Valley Neset#NEPAImpact_with_Wildlife_Resources +See [http://ww2.wapa.gov/sites/western/business/selling/Documents/2013%20Construction%20Standards.pdf Westerns Construction Standards] (Standard 13-Environmental Quality Protection) for applicable mitigation measures.
Antelope Valley Neset#NEPAImpact_with_Access_and_Transportation +See [http://ww2.wapa.gov/sites/western/business/selling/Documents/2013%20Construction%20Standards.pdf Westerns Construction Standards] (Standard 13-Environmental Quality Protection) for applicable mitigation measures.

B

BLM-NV-WN-ES-08-01-1310, NV-020-08-01#NEPAImpact_with_Invasive,_Nonnative_Species +*For a period of three years following the commencement of construction, project sites shall be inventoried by the lessee for the presence of invasive, nonnative species. Inventory data shall be reported to the BLM WFO project Lead within one week of receipt by the lessee. The area shall be treated with BLM certified pesticides following BLM approval of a pesticide use proposal if species are present. *Following the three year period, periodic inventory for the presence of invasive nonnative species would be performed at project sites, with treatment occurring as necessary. The periodic inventory and treatment would occur for as long as the lessee is present at the site. *All trucks (excluding pick-up trucks) and construction equipment should be washed to remove soil and plant parts. A central washing facility would be provided for this purpose at a location either in Winnemucca or at a facility approved by the authorized officer. The washing station should not be placed within 150 feet of any body of water or ditch line, nor where the wash water can flow downslope.
BLM-NV-WN-ES-08-01-1310, NV-020-08-01#NEPAImpact_with_Wastes_Hazardous_or_Solid +*Absorbent pads or sheets would be placed under likely spill sources. *The hazardous material spill and disposal contingency plan will be submitted to and approved by BLM and made readily available onsite before operations begin. *The length of time which geothermal fluid, storm water runoff or other liquids are temporarily stored in any reserve pit would be minimized. Use of reserve pits is limited to the active drilling and testing operations. Fluids from flow testing would only be produced in accordance with permits and plans. The larger reserve pit constructed adjacent to well 26A-14 would be treated with bentonite to minimize the infiltration of geothermal fluids into the shallow ground water aquifer. The fluid level in the larger reserve pit would be monitored daily during initial testing to verify the treatment. The results of the monitoring would be reported to the BLM.
BLM-NV-WN-ES-08-01-1310, NV-020-08-01#NEPAImpact_with_Migratory_Birds +Initial ground disturbing activities would not be conducted during the migratory bird nesting season (March through July) unless necessary, and then only after inventories for migratory birds and nests were conducted by a qualified biologist acceptable to the BLM. This survey would be conducted to identify either breeding adult birds or nest sites within the specific areas to be disturbed. If active nests are present within these areas to be disturbed, NGP would coordinate with the authorized officer to develop appropriate protection measures for these sites, which may include avoidance, construction constraints, and/or the establishment of buffers.
BLM-NV-WN-ES-08-01-1310, NV-020-08-01#NEPAImpact_with_Vegetation +Unoccupied disturbed areas shall be seeded by the applicant as directed by the BLM Winnemucca Field Office using the following native seed mixture and application rate. Any variance in the mix would be coordinated first with the BLM Winnemucca Field Office.
BLM-NV-WN-ES-08-01-1310, NV-020-08-01#NEPAImpact_with_Water_Quality +*The quality of selected ground water wells would continue to be monitored to determine if the injection of geothermal fluids may be impacting the levels of geothermal fluid components in the produced waters. Ground water wells to be monitored would include some of those within the unit area with high total dissolved solids, as well as other existing or new ground water wells close to the geothermal operations area. Final design and implementation of the ground water quality monitoring program would occur before the commencement of geothermal production and injection operations. *In the case negative affects (increasing levels of geothermal fluid components) are recorded by the monitoring program, NGP would work with the BLM, NDOM, NDEP and the Nevada State Water Engineer to adjust geothermal fluid production or injection to remove or minimize negative affects to ground water wells or the geothermal resource. *NGP would also monitor produced geothermal fluids, and within 30 days of NGP’s receipt of produced water analytical laboratory result(s), the BLM would be provided with a copy of the laboratory result(s). A map or written description of the sample collection point(s) would accompany the result(s).
BLM-NV-WN-ES-08-01-1310, NV-020-08-01#NEPAImpact_with_Visual_Resources +*All drill rig and well test facility lights would be limited to those required to safely conduct the operations, and would be shielded and/or directed in a manner which focuses direct light to the immediate work area. *Permanent project facilities within the geothermal operations area would be limited to those required to safely conduct the operations, and would be shielded and/or directed in a manner which focuses direct light to the immediate work area. *Permanent project facilities within the geothermal operations area would be painted a color, subject to approval by the authorized officer, which would blend with the landscape. Prior to painting, NGP would contact the Winnemucca Field Office project lead. *The average spacing of 300-660 feet between transmission line pole structures would be increased to the maximum extent possible where the transmission lines cross the visually sensitive trails/roads. *The switching station at the south end of the ROW would be painted a color, subject to approval by the authorized officer, which would blend with the landscape. Prior to painting, NGP would contact the Winnemucca Field Office project lead.
BLM-NV-WN-ES-08-01-1310, NV-020-08-01#NEPAImpact_with_Water_Quantity +The depth to ground water in selected ground water wells would continue to be monitored to determine if the shallow ground water production program may be lowering the groundwater table. Ground water wells to be monitored would include existing or new ground water wells both close to and farther away from the geothermal operations area. Final design and implementation of the ground water level monitoring program would occur before the commencement of geothermal production and injection operations.
BLM-NV-WN-ES-08-01-1310, NV-020-08-01 +Initial ground disturbing activities would not be conducted during the migratory bird nesting season (March through July) unless necessary, and then only after inventories for migratory birds and nests were conducted by a qualified biologist acceptable to the BLM. This survey would be conducted to identify either breeding adult birds or nest sites within the specific areas to be disturbed. If active nests are present within these areas to be disturbed, NGP would coordinate with the authorized officer to develop appropriate protection measures for these sites, which may include avoidance, construction constraints, and/or the establishment of buffers., Unoccupied disturbed areas shall be seeded by the applicant as directed by the BLM Winnemucca Field Office using the following native seed mixture and application rate. Any variance in the mix would be coordinated first with the BLM Winnemucca Field Office., The depth to ground water in selected ground water wells would continue to be monitored to determine if the shallow ground water production program may be lowering the groundwater table. Ground water wells to be monitored would include existing or new ground water wells both close to and farther away from the geothermal operations area. Final design and implementation of the ground water level monitoring program would occur before the commencement of geothermal production and injection operations.,
Barren Ridge Renewable Transmission#NEPAImpact_with_Migratory_Birds +Avian Protection Plan. An Avian Protection Plan (APP) shall be developed and implemented for the construction and operation of the Project. The APP will outline measures and protocols that will be undertaken to protect avian species and is intended to protect local and migratory bird species that may occur within the Project area.
Barren Ridge Renewable Transmission#NEPAImpact_with_Soils +Soil Management Plan. A Soil Management Plan will be developed and implemented for construction of the proposed Project. The objective of the Soil Management Plan is to provide guidance for the proper handling, onsite management, and disposal of impacted soil that might be encountered during construction activities. The plan will include practices that are consistent with California Title 8, Occupational Safety and Health Administration (Cal-OSHA) regulations, as well as appropriate remediation standards that are protective of the planned use. The Plan will provide guidelines for identification of impacted soil, assessing impacted soil, soil excavation, impacted soil storage, verification sampling, and impacted soil characterization and disposal. In the event that potentially contaminated soils are encountered within the footprint of construction, soils will be tested and stockpiled. The appropriate Certified Unified Program Agency (CUPA) will determine whether further assessment is warranted.
Barren Ridge Renewable Transmission#NEPAImpact_with_Visual_Resources +A “dulled” metal finish shall be used on new towers or rebuilt portions of existing towers to reduce visual impacts except where otherwise dictated by visual mitigation measures. Nonspecular conductors shall be used to reduce visual impacts. Project features will be placed so as to avoid sensitive features including, but not limited to, riparian areas, water courses, and cultural sites, and/or to allow conductors to clearly span the features, within limits of standard tower design. This will minimize the amount of sensitive features disturbed and/or reduce visual contrast. Drainage control features will be installed, as appropriate, to minimize the amount of stormwater flow from areas of active construction. Details would be described in the SWPPP.
Barren Ridge Renewable Transmission#NEPAImpact_with_Wetlands_and_Riparian_Zones +Incorporate riparian area avoidance and permit measures. The following actions and all permit conditions detailed within the individual or Nationwide 404 permit and RWQCB 401 water quality certification (subject to separate approval) would be implemented by the construction manager and environmental compliance monitor(s). Before construction, qualified resource specialists would stake and flag or fence exclusion zones around all identified riparian areas. Such exclusion zones would include a 10-foot buffer to preclude sediment intrusion into the riparian areas. Earth-moving activities would be restricted from these zones, although essential vehicle operation and foot travel would be permitted on existing roads, bridges, and crossings. All other construction activities, vehicle operation, material and equipment storage, and other surface-disturbing activities would be prohibited within the exclusion zone. In areas where riparian habitats are unavoidable, the construction manager in consultation with the lead environmental compliance inspector would narrow the width of the centerline to the maximum extent allowable. New spur roads and existing access road improvements would be constructed and implemented using methodology that preserves existing hydrology. Tower pad clearance would be minimized to the maximum extent allowable. All temporarily disturbed riparian areas that would not be utilized for future routine operation and maintenance activities would be restored to ensure no net loss of habitat functions and values. Following construction activities, the areas would be restored as soon as practicable.
Barren Ridge Renewable Transmission#NEPAImpact_with_Noise +Consistent with Los Angeles County Code (Section 12.08.440), no construction activities shall occur in a residential area between 7:00 p.m. and 7:00 a.m. on weekdays and Saturdays, or at any time on Sundays or holidays. In the event that construction needs to occur outside the specified hours, a variance shall be obtained beforehand. Noise reduction features (e.g., mufflers and engine shrouds) that are no less effective than those originally installed by the manufacturer shall be used on construction equipment. Temporary sound walls or acoustic blankets around stationary noise sources (e.g., generators, pumps) shall be installed to shield adjacent sensitive receptors. Where feasible, these sound walls or acoustic blankets shall have a height of no less than eight feet, a Sound Transmission Class (STC) of 27 or greater, and a surface with a solid face from top to bottom without any openings or cutouts. Unnecessary construction vehicle idling time shall be minimized (see also Mitigation Measure AIR-2D, Restrict diesel engine idling to 5 minutes). The ability to limit construction vehicle idling time is dependent upon the sequence of construction activities and when and where vehicles are needed or staged. A “common sense” approach to vehicle use shall be applied; if a vehicle is not required for use immediately or continuously for construction activities, its engine shall be shut off. It should be noted that certain equipment, such as large diesel-powered vehicles, shall require extended idling for warm-up and repetitive construction tasks and would therefore not be subject to being shut off when not in use.
Barren Ridge Renewable Transmission#NEPAImpact_with_Public_Health_and_Safety +Hazardous Materials/Waste Management Plan. A project-specific hazardous materials management and hazardous waste management program will be developed prior to initiation of the project. The program will outline proper hazardous materials use, storage and disposal requirements as well as hazardous waste management procedures. The program will identify types of hazardous materials to be used during the project and the types of wastes that will be generated. All project personnel will be provided with project- specific training. This program will be developed to ensure that all hazardous materials and wastes were handled in a safe and environmentally sound manner. Hazardous wastes will be handled and disposed of according to applicable rules and regulations. Employees handling wastes will receive hazardous materials training and shall be trained in hazardous waste procedures, spill contingencies, waste minimization procedures and Treatment, Storage and Disposal Facility (TSDF) training in accordance with OSHA Hazard Communication Standard and 22 CCR. If degraded soil or groundwater is encountered during excavation (e.g., there is an obvious sheen, odor, or unnatural color to the soil or groundwater), it shall be excavated, tested, and disposed of in accordance with state hazardous waste disposal requirements. The Plan shall also include procedures detailing emergency responses to releases of hazardous materials. It will prescribe hazardous materials handling procedures for reducing the potential for a spill during construction, and will include an emergency response program to ensure quick and safe cleanup of accidental spills. All hazardous materials spills or threatened release, including petroleum products such as gasoline, diesel, and hydraulic fluid, regardless of the quantity spilled, will be immediately reported to the appropriate agency as outlined in the Plan if the spill has entered a navigable water, stream, lake, wetland, or storm drain, if the spill impacted any sensitive area including conservation areas and wildlife preserves, or if the spill caused injury to a person or threatens injury to public health. All construction personnel, including environmental monitors, will be aware of state and federal emergency response reporting guidelines. Health and Safety Plan. A Health and Safety Plan shall be prepared and implemented. The Plan shall address emergency medical services available on-site and within the project area. The Plan shall also address specific emergency response and evacuation measures. All construction vehicles shall maintain a hazardous materials spill kit, which shall include absorbent materials, tarps, small storage containers or waterproof bags, and latex gloves. Field personnel shall be made aware of these kits and instructed on how to use them. Helicopters utilized for construction will be refueled at helicopter staging areas or local airports. Procedures will include the use of drop cloths made of plastic and drip pans and trays to be placed under refilling areas to ensure that chemicals do not come into contact with the ground. Refueling areas will be located in designated areas where absorbent pads and trays are available. LADWP shall contact Angeles National Forest (ANF) dispatch seven days prior to helicopter use and shall provide ANF with radio frequencies being used by the aircraft, aircraft identifiers, the number of helicopters that will be used while working on National Forest System (NFS) lands at any given time, and the flight pattern of helicopters used on NFS lands. If a wildfire occurs in the Project area, upon contact from the Forest Aviation Officer, helicopters in use by LADWP shall immediately cease construction activities and not restart aerial operations until the Forest Aviation Officer provides clearance. The Applicant shall clear brush and dead and decaying vegetation that would pose a fire hazard from the work area prior to starting construction and/or maintenance work. The work area includes areas of construction (e.g., tower sites, switching station site) within the transmission ROW, construction laydown areas, pull sites, access roads, parking pads, and any other sites adjacent to the ROW where personnel are active or where equipment is in use or stored. Cleared vegetation shall either be removed or chipped and spread onsite in piles no higher than six inches. This will be determined in consultation with individual appropriate land management agencies.
Barren Ridge Renewable Transmission#NEPAImpact_with_Air_Quality +Only clean-burning on-road and off-road diesel engines shall be used. Where feasible, heavy-duty diesel powered construction equipment manufactured after 1996 (with federally mandated “clean” diesel engines) shall be used. Construction workers shall carpool to and from the construction site when possible. All trucks hauling soils or other loose materials shall be covered, or maintain at least two feet of freeboard (distance between the material and the top of the truck). Where visible soil material is carried onto adjacent public streets, the affected streets shall be cleaned daily with water sweepers.
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