Appendix E_ Cane BMP List_Jan2026_TX_Cane_BMPs_ (3).xlsx
XLSX spreadsheet 387 KB Posted
- Solicitation number
- 70B01C26R00000114
About this file
This file is an appendix containing Best Management Practices (BMPs) for the Carrizo Cane Eradication project along the Texas-Mexico border, organized by ecological sector and species protection requirements. The document outlines comprehensive environmental and operational protocols that contractors must implement during invasive vegetation treatment activities across approximately 1,951 miles of the international boundary.
The BMPs address four primary categories: General Terrestrial practices (covering hazardous materials handling, refueling protocols, spill prevention, waste management, wildlife protection, lighting controls, stormwater pollution prevention, vehicle management, and invasive species prevention); Waterborne/Aquatic add-ons (for dredging and filling activities, including equipment inspection, material stockpiling, erosion control, and aquatic species protection); and species-specific protections organized by ecological sector (DRT, BBT, LRT, and RGV segments). Species-specific BMPs address federally listed endangered and threatened species including Golden-cheeked Warblers, Mexican Spotted Owls, Northern Aplomado Falcons, Southwestern willow flycatchers, various aquatic mollusks (Mexican Fawnsfoot, Salina Mucket, Texas Hornshell), cacti species (Tobusch fishhook cactus, bunched cory cactus, Lloyd's Mariposa Cactus, and star cactus), and other protected fauna including sea turtles, manatees, ocelots, and jaguarundis. The document mandates pre-construction biological surveys, environmental awareness training for all personnel, on-site biological monitoring during construction, staking and flagging of work areas at 25-foot intervals, avoidance of nesting habitats during breeding seasons, relocation protocols for threatened species, and restoration plans for temporarily disturbed areas using native plant species sourced within five miles of project locations. A master BMP list provides 91 numbered standards covering road design and maintenance, equipment cleaning, water source management, noise and light minimization, cultural resource protection, and comprehensive post-project reporting requirements.
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Other files
| File | Type | Posted |
|---|---|---|
| 70B01C26R00000114 Carrizo Cane A00002_.pdf | ||
| Updated Carrizo Cane Attachment 1- PWS_9.3.26.pdf | ||
| 70B01C26R00000114 Carrizo Cane Eradication Texas_Answers.xlsx | XLSX spreadsheet | |
| 70B01C26R00000114 Carrizo Cane A00001.pdf | ||
| Attachment 2 - Price Sheet - Option 2.xlsx | XLSX spreadsheet | |
| Attachment 2 - Price Sheet Base Period.xlsx | XLSX spreadsheet | |
| Attachment 3 - Wage Determination Hidalgo.txt | TXT text file | |
| Attachment 2 - Price Sheet - Option 3.xlsx | XLSX spreadsheet | |
| 70B01C26R00000114 Carrizo Cane.pdf | ||
| Attachment 5 - Sample Work Order Form.xlsx | XLSX spreadsheet | |
| Attachment 2 - Price Sheet - Option 1.xlsx | XLSX spreadsheet | |
| Attachment 1- Performance Work Statement.pdf | ||
| Attachment 3 - Wage Determination Val Verde.txt | TXT text file | |
| Attachment 4 - Question and Answer.xlsx | XLSX spreadsheet | |
| Attachment 3 - Wage Determnation Webb.txt | TXT text file |
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FY26 General Terrestrial
| Implement Customs and Border Protection (CBP) BMPs during all construction activities including proper handling, storage, and disposal of hazardous or regulated materials. |
| Collect and store all fuels, waste oils, and solvents in tanks or drums within a secondary containment system that consists of an impervious floor and earthen dike capable of containing 125 percent of the volume of the containers stored therein. These materials will be removed from the site during demobilization. |
| Refuel machinery following accepted guidelines, including refueling and storage shall take place away from the aquatic habitat; (not within 100 feet of a drainage channel, wetland, or other surface waters). A designated refueling area with spill protections readily available shall be reviewed by CBP prior to implementation. A contingency plan to control petroleum products accidentally spilled during the project shall be developed as part of all aquatic/in-water projects. |
| A CBP-approved Spill Protection Plan (SPPP) must be prepared and implemented by the contractor at the construction site to ensure that toxic substances are properly handled, stored, and disposed of. Contain spills immediately and use an absorbent (e.g., granular, pillow, sock) to absorb and contain the spill. Immediately report any spill of a hazardous or regulated substance to the CBP Project Manager and on-site environmental monitor. Drip pans will be used beneath equipment, and containment zones will be used when equipment is not being used, or when refueling vehicles and equipment. |
| Collect non-hazardous solid waste (trash and waste construction materials) and deposit in on-site receptacles. Maintain solid waste receptacles and dispose as required. |
| Only authorized contractors and government personnel are allowed within the construction site. With the exception of service dogs, no pets including emotional support pets, owned or under the care of any and all construction workers will be permitted inside the project’s construction boundaries, adjacent native habitats, or other associated work areas. Service animals shall have formal official documentation from a licensed physician for CBP approval prior to being allowed onsite. |
| If construction or maintenance work activities will occur during nighttime hours, all lights will be shielded to direct light only onto the work site, the minimum wattage needed will be used, and the number of lights will be minimized. If birds are roosting on temporary light poles and other pole-like structures used for construction activities, then anti- perch devices would be used to discourage roosting by birds. Light poles will be designed to prevent hunting perches for ravens and raptors. Unnecessary lights will be turned off to avoid attracting wildlife. |
| A Stormwater Pollution Prevention Plan (SWPPP) will be prepared prior to construction activities. Additional site-specific BMPs will be implemented as described in the SWPPP to reduce erosion and the impact of non-point source pollution during construction activities, giving special consideration to areas with highly erodible soils. Address highly erodible soils in the SWPPP. BMPs include such things as buffers around washes to reduce the risk of siltation and installation of water bars to slow the flow of water downhill. |
| Vehicular traffic associated with the construction activities must remain on established roads to the maximum extent practicable. No off-road vehicle activity will occur outside of the project footprint. Vehicle parking will be confined to the project footprint. Vehicles will not exceed 25 mph within the project area. |
| The project site will be accessed exclusively via designated access roads. Any new or improved access roads will include road construction and maintenance BMPs in their design and plan. |
| Maintain existing roads during construction and return the existing roads and staging areas to pre-construction conditions, if requested by the Government, once construction is complete. The widening of existing or created roadbed beyond the design parameters due to improper maintenance and use will be avoided or minimized. The width of all roads that are created or maintained by CBP should be measured and recorded using GPS coordinates and provided to the Government. Photo document and provide GPS coordinates where correction is needed. Government to acquire GIS shape files from construction contractor at end of project. |
| The minimum number of roads needed for proposed actions must be constructed and maintained to proper standards. Roads constructed for project access must be closed and restored to natural surface and topography using appropriate techniques once no longer needed for the project. The GPS coordinates of roads that are thus closed must be recorded and provided to the Government. A record of acreage or miles of roads taken out of use must be maintained. Photo document efforts if they occur prior to completion of project. GIS files from the Contractor must be provided to CBP. |
| Areas disturbed by past activities must be used for staging, parking, and equipment storage. All staging, parking, equipment storage areas, and access roads, with their requested uses, will be approved by CBP. Prior to beginning any construction activity (including equipment mobilization, tree- trimming, clearing and grubbing, and road grading), contractor must stake and flag the perimeter of the work area, access routes, laydown yards, staging areas, turnarounds, and other areas approved for use. Recommend flagging and staking occur every 25-linear feet to prevent unauthorized impacts outside of the approved work area. Photo document and provide GPS coordinates of these areas to CBP. |
| If soil-binding agents are utilized, they must be applied during the late summer/early fall months to avoid impacts on federally listed species. Soil-binding agents must not be used in or near surface (within 100 feet) of waters (e.g., wetlands, perennial streams, intermittent streams, washes). Only apply soil-binding agents to areas that lack any vegetation. |
| All disturbed soils not paved that will not be landscaped or otherwise permanently stabilized by construction must have topsoil set aside to be used with species native to the project vicinity. CBP will provide a list of seed mix for each project area. |
| To prevent invasive species seeds, all hauling and construction equipment, including work and personal vehicles, must be washed at the identified facility prior to mobilization to the project area. All vehicles and equipment must be free of all attached soil, mud, vegetation, and other debris prior to mobilization to the construction site. |
| Invasive plants on any work area or shoreline must be treated through chemical or mechanical means. Herbicides must be used according to label directions. Herbicide application must be conducted by a licensed applicator, and daily report of chemical application rate mut be reported to CBP Construction PM or Environmental. Mechanical removal must be done in ways that eliminate the entire plant and remove all plant parts to a disposal area, with the exception of root mass left in-place for bank stablization. |
| Any off-site materials (e.g., fill and gravel, straw bales, wattles, fiber rolls) must be weed-free to prevent the introduction of non-native species. |
| Preventative measures will be implemented to avoid the introduction of invasive plant species, including soil sourcing, topsoil oversight, and material inspection. |
| Dust control measures will be implemented to prevent hazardous conditions in terrestrial land associated with the project (staging areas, access roads). |
| Concrete wash water will be collected in an area with an impervious floor and removed off-site for proper disposal to prevent toxicity to aquatic life. |
| A CBP-approved Fire Prevention and Suppression Plan (FPSP) must be developed and implemented for all activities that require welding or otherwise have a risk of starting a fire. |
| Groundwater extraction can occur with written approval by CBP. Groundwater wells shall be metered daily and meter readings provided to the onsite environmental monitor and CBP Project Manager daily. |
| Activities will pause during heavy rain or hazardous weather conditions, including avoiding traversing vehicles or equipment across flowing or standing watercourses. |
| Spray painting bollards shall be performed using equipment designed to minimize overspray. Spray painting bollards should not be conducted in high winds to prevent over spraying into adjacent vegetation. |
| Areas that are hydro-seeded for temporary erosion-control measures must use only native plant species appropriate to surrounding habitat types. Seed list must be approved by CBP environmental prior to application. |
| If cultural resources (artifacts, features, sites, structures) are encountered work shall stop in the immediate area (50 ft radius) until the environmental monitor can assess the significance of the find. |
| If human remains are encountered, work will stop within 100 feet of the find. Appropriate Federal and State agencies will be consulted for a path forward. |
| Areas around and beneath equipment in terrestrial and aquatic settings must be checked for listed species and wildlife to avoid "take" situations. |
| Tree and brush removal in threatened and endangered (T&E) species habitats will be minimized and will not interfere with active nesting as per the Migratory Bird Treaty Act. |
| Ground disturbing activities (e.g. vehicular travel, grubbing, vegetation removal, grading, storage of materials, installation of aerial targets, excavation, scraping, removal of large boulders etc) shall not be undertaken outside the approved project area. |
| Prior to ground disturbing activities, vegetation removal or trimming, a government biologist will present an environmental awareness program to all personnel who will be onsite, including but not limited to Government employees, contractors, contractor employees, supervisors, inspectors, and subcontractors. Included also will be general identification of the species, description of habitat, sensitivity of the species to human activity and describe measures for avoidance and protection of the species during construction. Following the education program, the photograph of the species will be posted in the office of the Contractor and resident engineer, where they must remain through the duration of the project. The Contractor will be responsible for ensuring that all their employees are aware of these species and that they may be present within the project area. |
| If construction or clearing activities are scheduled during the nesting season (typically March 1- September 15) the government will perform a preconstruction survey for migratory bird species to identify active nests prior to the start of any construction or clearing activity. If construction activities will result in the disturbance or harm of a migratory bird, then CBP may coordinate with the U.S. Fish and Wildlife Service (USFWS). Establish buffer zones around active nests until nestlings have fledged and abandoned the nest. |
| When an individual of a federally listed species is found within the project limits, notify the PM or CBP Construction Site Manager. Work may resume when the Government biologist safely removes the individual, or it moves away on its own. Individuals of federally listed species found in the project area and requiring relocation will be relocated by the Government biologist. |
| To prevent entrapment of wildlife species during construction, all excavated, steep walled holes or trenches more than 2-feet deep will either be entirely covered at the close of each working day with plywood or trench cover plates or provided with one or more escape ramps constructed of earth fill or wooden planks. The ramps will be located at no greater than 1,000-foot intervals and will be sloped less than 45 degrees. Each morning before the start of construction and before such holes or trenches are filled, they will be thoroughly inspected for trapped animals. Any animals so discovered will be allowed to escape voluntarily (by escape ramps or temporary structures), without harassment, before construction activities resume, or removed from the trench or hole by a qualified biologist and allowed to escape unimpeded. |
Add-ons for Waterborne
| Authorized dredging and filling-related activities that may result in the temporary or permanent loss of aquatic habitats should be designed to avoid indirect, negative impacts to aquatic habitats beyond the planned project area. |
| All project construction-related materials and equipment (dredges, vessels, backhoes, erosion control devices, etc.) to be placed in an aquatic environment should be inspected for pollutants including, but not limited to; marine fouling organisms, grease, oil, etc., and cleaned to remove pollutants prior to use. Project related activities should not result in any debris disposal, non-native species introductions, or attraction of non-native pests to the affected or adjacent aquatic or terrestrial habitats. |
| A contingency plan to control petroleum products accidentally spilled during the project shall be developed as part of all aquatic/in-water projects. |
| Project construction-related materials (fill, revetment rock, pipe, etc.) should not be stockpiled in, or in close proximity to aquatic habitats and should be protected from erosion (e.g., with filter fabric, etc.), to prevent materials from being carried into waters by wind, rain, or high water. |
| All deliberately exposed soil or under-layer materials used in the project near water should be protected from erosion and stabilized as soon as possible with geotextile, filter fabric or native or non-invasive vegetation matting, hydro-seeding, etc. |
| Dredge material to be stored in approved upland/terrestrial areas for disposal. |
| Areas around and beneath equipment in terrestrial and aquatic settings must be checked for listed species and wildlife to avoid "take" situations. |
| If any items that appear to be man-made (e.g. worked wood, metal objects, ceramics, leather etc) are encountered during construction activities within the waterway, these items shall be examined immediately by the environmental monitor. These items need to stay submerged until identification is made. |
| Erosion of roadbeds into waterways will be avoided or minimized. Grading and topsoil removal will be limited to necessary areas. Contractor to leave cut native tree stumps and maintain ground cover of native vegetation if possible to assist with riverbank stabilization efforts. |
| Maintenance, staging, and fuel or oil dispensing will occur in designated upland areas to prevent runoff into U.S. waters or wetlands. No refueling or storage shall take place within 100 feet of a drainage channel, wetland, or other surface waters, unless at a designated staging area or as identified in the contingency plan. |
| Tree and brush removal in threatened and endangered (T&E) species habitats will be minimized and will not interfere with active nesting as per the Migratory Bird Treaty Act. |
| To eliminate attraction of predators of protected animals, all food related trash items such as wrappers, cans, bottles, and food scraps must be disposed of in closed containers and removed daily from the project site. |
| The government will provide monitors for environmental and cultural resources throughout the contract performance period. |
| Construction contractor cannot pump water from the Colorado or Rio Grande Rivers, or nearby resacas, canals, or similar, without prior approval from CBP. |
DRT
| Species | Federally Listed | Conservation Agreement Species | Multi-Agency Strategy Species | Other Species of Concern | |||||
| (may include state listed) | Standard BMP | Why are they being included | BMP under Waiver | Notes | |||||
| Golden-cheeked Warbler (Setophaga chrysoparia) | TRUE | FALSE | FALSE | TRUE | No construction, maintenance and repair activities will be conducted within areas classified as protected activity centers of this species during their migration through central Texas (early March through end of July). CBP will coordinate with USFWS to update known locations. For all activities within suitable habitat of a threatened or endangered bird species during the nesting season, the following avoidance measures apply. A qualified biologist will survey for threatened and endangered birds prior to initiating construction activities. If a threatened or endangered bird is present, a qualified biologist will survey for nests approximately once per week within 500 feet of the project area for the duration of the activity. If an active nest is found, no construction, maintenance or repairs will be conducted within 300 feet of the nest until the young have fledged. | This tab is a combined master list of all the species reported on iPaC for each DRT segment. | NA for Contract BMP list - Monitors look for it; In Env Awareness Training | ||
| Monarch Butterfly (Danaus plexippus) | TRUE | FALSE | FALSE | FALSE | CBP will identify appropriate avoidance and minimization measures to protect the Monarch Butterfly and habitat during construction. Avoid herbicide treatment on milkweed (Asclepias sp.) and other nectar source plant species. Avoid mowing during peak monarch breeding and migration periods (April - October). Mow within an integrated vegetation management framework on just the areas of heaviest weed infestation. Mowing too frequently disrupts growth and the ability of flowering plants to compete with grass. Use a minimum cutting height of 10-12 inches. In addition, a biological monitor familiar with the species will be present during construction to ensure no impacts to the species occurs. | This tab is a combined master list of all the species reported on iPaC for each DRT segment. | NA for Contract BMP list - Monitors look for it; In Env Awareness Training | ||
| Mexican Fawnsfoot (Truncilla cognata), Salina Mucket (Potamilus metnecktayi), and Texas Hornshell (Popenaias popeii) | TRUE | FALSE | FALSE | TRUE | The project area overlaps with Mexican Fawnsfoot, Salina Mucket, and Texas Hornshell designated critical habitat. Pre-construction surveys will be required in the critical habitat and suitable habitat of the Mexican Fawnsfoot and Texas Hornshell to determine the presence or absence of the species. No fill material shall be placed into or removed from any potential Texas Hornshell, Mexican Fawnsfoot, and Salina Mucket habitat. Erosion control measures will be put in place near waterways to avoid habitat impact. In-stream work during high flow periods will be avoided to minimize clam habitat impacts. If temporary stream crossings are necessary, use bridges or culverts instead of driving through the water. In addition, a biological monitor familiar with the species will be present during construction to ensure no impacts to the species occurs. | This tab is a combined master list of all the species reported on iPaC for each DRT segment. | The project area overlaps with Mexican fawnsfoot and Texas hornshell designated critical habitat. No fill material shall be placed into or removed from any potential Texas hornshell and Mexican fawnsfoot habitat without CBP review and approval. Erosion control measures will be put in place near waterways to avoid habitat impact. In-stream work during high flow periods will be avoided to minimize mollusk habitat impacts. If temporary stream crossings are necessary, use bridges or culverts instead of driving through the water. In addition, a biological monitor familiar with the species will be present during construction activities. | Yes Contract BMP list - Monitors look for it; In Env Awareness Training | |
| Piping Plover (Charadrius melodus) and Rufa Red Knot (Calidris canutus rufa) | TRUE | FALSE | FALSE | TRUE | No construction, maintenance and repair activities will be conducted within areas classified as protected activity centers of this species during their migration through Texas (late July – early March). CBP will coordinate with USFWS to update known locations. For all activities within suitable habitat of a threatened or endangered bird species during the nesting season, the following avoidance measures apply. A qualified biologist will survey for threatened and endangered birds prior to initiating construction activities. If a threatened or endangered bird is present, a qualified biologist will survey for nests approximately once per week within 500 feet of the project area for the duration of the activity. If an active nest is found, no construction, maintenance or repairs will be conducted within 300 feet of the nest until the young have fledged. | This tab is a combined master list of all the species reported on iPaC for each DRT segment. | NA for Contract BMP list - Monitors look for it; In Env Awareness Training | ||
| Ashy Dogweed (Thymophylla tephroleuca) and Texas Snowbell (Styrax texana) | TRUE | FALSE | FALSE | TRUE | Disturbance to ashy dogweed and Texas snowbell populations and occupied habitat, including land clearing, introduction and spread of invasive plants, herbivory, trampling, and exposure to toxic substances, should be avoided. Pre-construction surveys are not required as long as projects are located outside suitable habitat areas. Projects within suitable habitat will require species-specific surveys of the project area. In cases where project activities cannot completely avoid these species and occupied habitat, the impacts to the populations and habitat should be relocated or minimized as much as possible or populations should be relocated. Minimization may be accomplished by, but is not limited to, the following methods: prevent or control invasive plants from colonizing sites following disturbance, minimize permanent impacts to individual populations and habitats, and reduce the duration of impacts to populations and habitats. | This tab is a combined master list of all the species reported on iPaC for each DRT segment. | Env Contractor Mark for Avoidance. Not on Construction BMP list. | ||
| San Marcos Salamander (Eurycea nana) | TRUE | FALSE | FALSE | TRUE | A qualified biologist would monitor all ground-disturbing maintenance activities and use of heavy equipment immediately prior to and during the maintenance activity that occurs within 0.1 mile of San Marcos salamander suitable habitat (i.e., cattle ponds and tanks with standing water) within the species’ range. Monitoring would occur for all maintenance and repair activities to be conducted in vegetated or undisturbed areas. Burrows of fossorial animals identified by the monitor would be left intact if possible. If a San Marcos salamander is observed, the monitor shall photograph the dorsal side of the salamander, without handling the salamander, record the geographic coordinates of its location, and report the location to the USFWS within 72 hours. If the salamander is in danger of being harmed (e.g. in the path of vehicles or foot traffic), work would cease in the area of the species until either the qualified environmental monitor can safely move the individual to a nearby location, in accordance with USFWS Endangered Species Permit requirements, or it moves away on its own. A site-specific SWPPP would be prepared and regulatory approval sought, for maintenance and repair activities that could result in sedimentation and that occur within 0.3 miles of suitable habitat within the species’ range. This would include, but is not limited to, placing straw bale type sediment traps at the inlet of ponds or stock tanks known to be occupied by the species. Use of herbicides would not occur within 0.3 miles of San Marcos salamander suitable habitat within the species’ range, unless approved by USFWS. In-water work within the range of this species would occur during period of low or no flow to minimize the chance of encountering a salamander. In addition, maintenance would be designed and implemented so that the hydrology of streams, ponds, and suitable habitat is not altered. | This tab is a combined master list of all the species reported on iPaC for each DRT segment. | San Marcos salamander suitable habitat (i.e., cattle ponds and tanks with standing water) within the species’ range occurs within the project area. Governement monitoring would occur for all activities to be conducted in vegetated or undisturbed areas. Burrows of fossorial animals identified by the monitor would be left intact if possible. If a San Marcos salamander is observed, the monitor shall photograph the dorsal side of the salamander, without handling the salamander, record the geographic coordinates of its location, and CBP would report the location to the USFWS within 72 hours. If the salamander is in danger of being harmed (e.g. in the path of vehicles or foot traffic), work would cease in the area of the species until either the qualified environmental monitor can safely move the individual to a nearby location, or it moves away on its own. Measures to protect habitat include: placing straw bale type sediment traps at the inlet of ponds or stock tanks known to be occupied by the species. Use of herbicides would not occur within 0.3 miles of San Marcos salamander suitable habitat within the species’ range, unless approved by CBP. In-water work within the range of this species would occur during period of low or no flow to minimize the chance of encountering a salamander. | BMP - Salimander habitat in upland - not the river. | |
| Southwestern willow flycatcher (Empidonax traillii extimus) | TRUE | FALSE | FALSE | TRUE | Whenever practicable, road construction and maintenance will not improve or create new available access to flycatcher habitats. Actions will be taken to avoid transporting salt cedar leaf beetles (biocontrols used to eradicate salt cedar in some areas) to areas occupied by flycatchers. Actions will include inspection of vehicles and equipment and subsequent beetle removal, or equipment cleaning if the equipment was used in areas where leaf beetles have been released to eradicate salt cedar. Maintenance activities for facilities can occur at any time; however, for major work on roads or fences where significant amount of equipment will be required, the October to April period is preferred. During construction and maintenance of facilities, the minimum amount of personnel and equipment should be used to reduce the amount of activity. This may be adjusted if additional personnel and equipment will complete the work faster and thus reduce the time the disturbance is in effect. | This tab is a combined master list of all the species reported on iPaC for each DRT segment. | MBTA survey, monitor,env awareness (EAT) | ||
| Devils River Minnow (Dionda diaboli), Fountain Darter (Etheostoma fonticola), Mexican Blindcat (Prietella phreatophila), Rio Grande silvery minnow (Hybognathus amarus) | TRUE | FALSE | FALSE | TRUE | No in-water work would occur within streams or other waterbodies with known occurrences or designated critical habitat without further consultation with the USFWS. Cleaning or modification of culverts and other work within drainages that could cause sedimentation or otherwise affect water quality or quantity would not occur within, or within 0.25 miles upstream of critical habitat or other suitable habitat without further consultation with the USFWS. Use of herbicides would not occur in streams or other waterbodies with known occurrences within the range or designated critical habitat unless approved by the USFWS. | This tab is a combined master list of all the species reported on iPaC for each DRT segment. | EAT & Env Monitors | ||
| Tobusch fishhook cactus (Sclerocactus brevihamatus spp. tobuschii) and bunched cory cactus (Coryphantha ramillosa) | TRUE | FALSE | FALSE | TRUE | Disturbance to thes cacti species and their occupied habitat, including land clearing, introduction and spread of invasive plants, herbivory, trampling, and exposure to toxic substances, should be avoided. Surveys should be conducted on all intact cacti habitat and potential habitat in the impact corridor. In cases when project activities cannot completely avoid the cacti populations and occupied habitat, the effects to the populations and habitat should be minimized as much as possible. Minimization may be accomplished by, but is not limited to, the following methods: prevent or control non-native grasses and other invasive plants from colonizing sites following disturbance, minimize permanent effects to individual populations and habitat, and reduce the duration of effects to populations and habitat. | These species were reported from a letter from USFWS and reported to be in the DRT sector in Val Verde County | EAT, Env Monitor, Marked for avoidance and/or Translocation |
BBT
| Species | Federally Listed | Conservation Agreement Species | Multi-Agency Strategy Species | Other Species of Concern | |||||
| (may include state listed) | Standard BMP | Why are they being included | BMP under Waiver | Notes | |||||
| Mexican Spotted Owl | |||||||||
| (Strix occidentalis lucida) | TRUE | FALSE | FALSE | TRUE | No construction, maintenance and repair activities will be conducted within areas classified as protected activity centers of Mexican spotted owl during the nesting season (late February to September). CBP will coordinate with USFWS to update known locations. For all activities within suitable habitat of a threatened or endangered bird species during the nesting season, the following avoidance measures apply. A qualified biologist will conduct a survey for threatened and endangered birds prior to initiating maintenance activities. If a threatened or endangered bird is present, a qualified biologist will survey for nests approximately once per week within 1,300 feet (Mexican spotted owl) or 500 feet (all other species) of the maintenance area for the duration of the activity. If an active nest is found, no maintenance will be conducted within 1,300 feet (Mexican spotted owl) or 300 feet (all other species) of the nest until the young have fledged. Vegetation cleared for construction will be left as debris piles to provide prey habitat and increase presence of PCE for the Mexican spotted owl. | Species was identified on iPaC | EAT, Monitor | ||
| Northern Aplomado Falcon | |||||||||
| (Falco femoralis septentrionalis) | TRUE | TRUE | FALSE | TRUE | No construction activities will be conducted within two (2) miles of active nests of northern aplomado falcons. Because northern aplomado falcons use nests constructed by other birds, mainly corvids such as ravens, large nests constructed of sticks will be removed from towers and other infrastructure located within potential habitat for this species only when it is essential to do so to maintain the functionality of the infrastructure. Similarly, removal of agave (Yucca spp.) and mesquite trees (Prosopis spp.) with such nests will be avoided unless essential to maintaining drivable access roads and to maintain the functionality of other Tactical Infrastructure. Cooperation with CBP Environmental, if possible, to minimize potential impacts to falcon movements in or adjacent to their territories. Construction should occur during daylight hours to avoid noise and lighting issues. If construction work must continue at night, all lights should be shielded to direct light only onto the worksite, the minimum wattage needed should be used, and the number of lights should be minimized. Noise levels for day or night construction maintenance and repair should be minimized. All generators should have an attached muffler or other noise-abatement equipment in accordance with industry standards. | Species was identified on iPaC | EAT, Monitor | ||
| Southwestern willow flycatcher | |||||||||
| (Empidonax traillii extimus) | TRUE | FALSE | TRUE | FALSE | Whenever practicable, road construction and maintenance will not improve or create new available access to flycatcher habitats. Actions will be taken to avoid transporting salt cedar leaf beetles (biocontrols used to eradicate salt cedar in some areas) to areas occupied by flycatchers. Actions will include inspection of vehicles and equipment and subsequent beetle removal, or equipment cleaning if the equipment was used in areas where leaf beetles have been released to eradicate salt cedar. Maintenance activities for facilities can occur at any time; however, for major work on roads or fences where significant amount of equipment will be required, the October to April period is preferred. During construction and maintenance of facilities, the minimum amount of personnel and equipment should be used to reduce the amount of activity. This may be adjusted if additional personnel and equipment will complete the work faster and thus reduce the time the disturbance is in effect. | Species was identified on iPaC | EAT, Monitor | ||
| Yellow-billed Cuckoo | |||||||||
| (Coccyzus americanus) | TRUE | TRUE | FALSE | TRUE | Prior to beginning any construction activity (including equipment mobilization, tree-trimming, clearing and grubbing, and road grading), contractor must stake and flag the perimeter of the work area, access routes, laydown yards, staging areas, turnarounds, and other areas approved for use. Recommend flagging and staking occur every 25-linear feet to prevent unauthorized impacts outside of the approved work area. Compliance with this BMP will minimize impacts to habitat for listed species. Prevent harassing wildlife by ensuring sensitive habitats that support avian and/or terrestrial wildlife are flagged for avoidance. Avoid areas where active nesting, breeding, foraging, or dispersal/passage occurs without clearance provided by CBP or the onsite environmental monitor. | Species was identified on iPaC | EAT, Monitor | ||
| Monarch Butterfly | |||||||||
| (Danaus plexippus) | TRUE | FALSE | FALSE | FALSE | CBP will identify appropriate avoidance and minimization measures to protect the Monarch Butterfly and habitat during construction. Avoid herbicide treatment on milkweed (Asclepias sp.) and other nectar source plant species. Avoid mowing during peak monarch breeding and migration periods (April - October). Mow within an integrated vegetation management framework on just the areas of heaviest weed infestation. Mowing too frequently disrupts growth and the ability of flowering plants to compete with grass. Use a minimum cutting height of 10-12 inches. In addition, a biological monitor familiar with the species will be present during construction to ensure no impacts to the species occurs. | Species was identified on iPaC | EAT, Monitor | ||
| Piping Plover (Charadrius melodus) and Rufa Red Knot (Calidris canutus rufa) | TRUE | FALSE | FALSE | TRUE | No construction, maintenance and repair activities will be conducted within areas classified as protected activity centers of this species during their migration through Texas (late July – early March). CBP will coordinate with USFWS to update known locations. For all activities within suitable habitat of a threatened or endangered bird species during the nesting season, the following avoidance measures apply. A qualified biologist will survey for threatened and endangered birds prior to initiating construction activities. If a threatened or endangered bird is present, a qualified biologist will survey for nests approximately once per week within 500 feet of the project area for the duration of the activity. If an active nest is found, no construction, maintenance or repairs will be conducted within 300 feet of the nest until the young have fledged. | Species was identified on iPaC | EAT, Monitor | ||
| Salina Mucket (Potamilus metnecktayi) | TRUE | FALSE | FALSE | TRUE | The project area overlaps with Salina Mucket’s designated critical habitat. Pre-construction surveys will be required in the critical habitat and suitable habitat of this species to determine the presence or absence of the species. No fill material shall be placed into or removed from any potential Salina Mucket habitat. Erosion control measures will be put in place near waterways to avoid habitat impact. In-stream work during high flow periods will be avoided to minimize clam habitat impacts. If temporary stream crossings are necessary, use bridges or culverts instead of driving through the water. In addition, a biological monitor familiar with the species will be present during construction to ensure no impacts on the species occurs. | This tab is a combined master list of all the species reported on iPaC for each RGV segment. | The project area overlaps withSalina Mucket (Potamilus metnecktayi) designated critical habitat. No fill material shall be placed into or removed from any potential Salina Mucket (Potamilus metnecktayi) without CBP review and approval. Erosion control measures will be put in place near waterways to avoid habitat impact. In-stream work during high flow periods will be avoided to minimize mollusk habitat impacts. If temporary stream crossings are necessary, use bridges or culverts instead of driving through the water. In addition, a biological monitor familiar with the species will be present during construction activities. | BMP | |
| Texas Hornshell (Popenaias popeii) | TRUE | FALSE | FALSE | TRUE | This tab is a combined master list of all the species reported on iPaC for each RGV segment. | No fill material shall be placed into or removed from any potential Salina Mucket (Potamilus metnecktayi) and/or Texas Hornshell habitat without CBP review and approval. Erosion control measures will be put in place near waterways to avoid habitat impact. In-stream work during high flow periods will be avoided to minimize mollusk habitat impacts. If temporary stream crossings are necessary, use bridges or culverts instead of driving through the water. In addition, a biological monitor familiar with the species will be present during construction activities. | BMP | ||
| Hinckley Oak (Quercus hinckleyi) | TRUE | FALSE | FALSE | TRUE | There is no species-specific BMP for Hinckley oak; however, other related BMPs are applicable conservation measures. For example, disturbance to plant populations and occupied habitat, including land clearing, introduction and spread of invasive plants, herbivory, trampling, and exposure to toxic substances, should be avoided. Pre-construction surveys are not required as long as projects are located outside suitable habitat areas. Projects within suitable habitat will require species-specific surveys of the project area. In cases where project activities cannot completely avoid species and occupied habitat, the impacts to the populations and habitat should be minimized as much as possible or populations should be relocated. Minimization may be accomplished by, but is not limited to, the following methods: prevent or control invasive plants from colonizing sites following disturbance, minimize permanent impacts to individual populations and habitats, and reduce the duration of impacts to populations and habitats. | Species was identified on iPaC | Endangered plant species are known to occur in this project area. Government monitors with survey and mark plant populations for avoidance. | EAT, Monitor | |
| Bunched Cory Cactus (Coryphantha ramillosa), Lloyd’s Mariposa Cactus (Sclerocactus mariposensis), and Chisos Mountain Hedgehog Cactus (Echinocereus chisoensis var. chisoensis) | TRUE | FALSE | FALSE | TRUE | The Contractor will subcontract a qualified biologist for the relocation of federally threatened and endangered cactus within the Project Area, and other vegetation identified by Customs and Border Protection (CBP) Natural Resources Subject Matter Expert (SME) or the land managing agency. The federally listed plants include hedgehog cactus species (Echinocereus sp.), bunched cory cactus (Coryphantha sp.), Lloyd's mariposa cactus (Sclerocactus sp.) |
The Contractor will work with the Contracting Office, CBP Natural Resources SME, and the subcontracted qualified biologist to identify and relocate the species identified in the Project Area. · The Contractor will work with a qualified biologist in preparing and modifying a relocation plan, prior to scheduled work in impacted areas. CBP’s Natural Resources SME will oversee the operation of the relocations.· Relocate affected plants north of the project area. Species should be relocated a minimum of 10’ away from proposed lighting & electrical features.
·The north face of cacti will be marked so that the species are translocated in the same position.
· Provide a 12-month establishment period for all relocated affected plant species.
The qualified biologist must adhere to the existing plant relocation BMPs. The relocation of the federally threatened and endangered cacti, and any other vegetation identified by CBP or the land managing agencies, will be scheduled prior to any impacts from work in designated areas.
The qualified biologist subcontractor must provide the following prior to plant salvage and relocation:
· Method of removal and placement;
· Procedures for feeding & watering, if applicable;
· Marking provisions for relocated plants identifiable during establishment period;
· Establishment period measures to be employed; and
· A monitoring plan for relocated species.
Species was identified on iPaC Avoidance of impacts to federally and state listed plant species is the preferred conservation measure. However, if it is determined that federally endangered and threatened cacti and other protected species cannot be avoided in place, salvage, and translocation of plants to an area adjacent to the project area will be required. The contractor’s qualified biologist shall prepare a plant salvage and translocation plan identifying plant species of concern that will be impacted by construction operations within the project area prior to scheduled construction activities. The plan shall include the following information:
• A qualified biologist will be on site to oversee all translocation of plants.
• Method of removal and placement.
• Procedures for feeding & watering, if applicable.
• Marking provisions for relocated plants identifiable during establishment period.
• Establishment period (minimum 12 months) measures to be employed.
• A monitoring plan for relocated species
• Relocate affected plants north of the project area.
• Species should be relocated to a minimum of 10’ away from proposed lighting & electrical features.
• The north face of cacti will be marked so that the species are translocated in the same position.
EAT, Monitor
LRT
| Species | Federally Listed | Conservation Agreement Species | Multi-Agency Strategy Species | Other Species of Concern | |||||
| (may include state listed) | Standard BMP | Why are they being included | BMP under Waiver | Notes | |||||
| Monarch Butterfly (Danaus plexippus) | TRUE | FALSE | FALSE | FALSE | CBP will identify appropriate avoidance and minimization measures to protect the Monarch Butterfly and habitat during construction. Avoid herbicide treatment on milkweed (Asclepias sp.) and other nectar source plant species. Avoid mowing during peak monarch breeding and migration periods (April - October). Mow within an integrated vegetation management framework on just the areas of heaviest weed infestation. Mowing too frequently disrupts growth and the ability of flowering plants to compete with grass. Use a minimum cutting height of 10-12 inches. In addition, a biological monitor familiar with the species will be present during construction to ensure no impacts to the species occurs. | This tab is a combined master list of all the species reported on iPaC for each LRT segment. | EAT, Monitor | ||
| Mexican Fawnsfoot (Truncilla cognata), Salina Mucket (Potamilus metnecktayi), and Texas Hornshell (Popenaias popeii) | TRUE | FALSE | FALSE | TRUE | The project area overlaps with Mexican Fawnsfoot, Salina Mucket, and Texas Hornshell designated critical habitat. Pre-construction surveys will be required in the critical habitat and suitable habitat of the Mexican Fawnsfoot and Texas Hornshell to determine the presence or absence of the species. No fill material shall be placed into or removed from any potential Texas Hornshell, Mexican Fawnsfoot, and Salina Mucket habitat. Erosion control measures will be put in place near waterways to avoid habitat impact. In-stream work during high flow periods will be avoided to minimize clam habitat impacts. If temporary stream crossings are necessary, use bridges or culverts instead of driving through the water. In addition, a biological monitor familiar with the species will be present during construction to ensure no impacts to the species occurs. | This tab is a combined master list of all the species reported on iPaC for each LRT segment. | The project area overlaps with Mexican fawnsfoot and Texas hornshell designated critical habitat. No fill material shall be placed into or removed from any potential Texas hornshell and Mexican fawnsfoot habitat without CBP review and approval. Erosion control measures will be put in place near waterways to avoid habitat impact. In-stream work during high flow periods will be avoided to minimize mollusk habitat impacts. If temporary stream crossings are necessary, use bridges or culverts instead of driving through the water. In addition, a biological monitor familiar with the species will be present during construction activities. | BMP | |
| Piping Plover (Charadrius melodus) and Rufa Red Knot (Calidris canutus rufa) | TRUE | FALSE | FALSE | TRUE | No construction, maintenance and repair activities will be conducted within areas classified as protected activity centers of this species during their migration through Texas (late July – early March). CBP will coordinate with USFWS to update known locations. For all activities within suitable habitat of a threatened or endangered bird species during the nesting season, the following avoidance measures apply. A qualified biologist will survey for threatened and endangered birds prior to initiating construction activities. If a threatened or endangered bird is present, a qualified biologist will survey for nests approximately once per week within 500 feet of the project area for the duration of the activity. If an active nest is found, no construction, maintenance or repairs will be conducted within 300 feet of the nest until the young have fledged. | This tab is a combined master list of all the species reported on iPaC for each LRT segment. | EAT, Monitor, MBTA: Not likely to run into these | ||
| Star Cactus (Astrophytum asterias), Ashy Dogweed (Thymophylla tephroleuca), Zapata bladderpod (Lesquerella thamnophila), and Prostrate Milkweed (Asclepias prostrata) | TRUE | FALSE | FALSE | TRUE | Disturbance to star cactus, ashy dogweed, Zapata bladderpod, and prostrate milkweed populations and occupied habitat, including land clearing, introduction and spread of invasive plants, herbivory, trampling, and exposure to toxic substances, should be avoided. Pre-construction surveys are not required as long as projects are located outside suitable habitat areas. Projects within suitable habitat will require species-specific surveys of the project area. Star cactus habitat includes grasslands and thorn scrub of the lower Rio Grande Valley. Additionally, surveyors should be aware that prostrate milkweed is often not detectable because it can live dormant underground until it rains. There are documented populations of prostate milkweed in Starr County and along Highway 83 just south of the Webb/Zapata county line. There have been very few, if any, prostrate milkweed plants observed in recent years at the Dolores population, but in the past this was the largest known population in Texas. Based upon the distribution of the orange-colored surface geology, there is a potential for the prostrate milkweed to occur all the way to the river in this area. In cases where project activities cannot completely avoid these species and occupied habitat, the impacts to the populations and habitat should be minimized as much as possible or populations should be relocated. Minimization may be accomplished by, but is not limited to, the following methods: prevent or control invasive plants from colonizing sites following disturbance, minimize permanent impacts to individual populations and habitats, and reduce the duration of impacts to populations and habitats. | This tab is a combined master list of all the species reported on iPaC for each LRT segment. Prostate milkweed was reported by USFWS in Starr county with a map of known protstate milkweed locations. It was also reported in Webb/Zapata County along Highway 83 by USFWS. | Endangered plant species are known to occur in this project area. Government monitors with survey and mark plant populations for avoidance. | BMP |
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