ROM Carrizo Cane Eradication - December 16 2025.docx
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This document is a Rough Order of Magnitude (ROM) request from U.S. Customs and Border Protection (CBP) for Carrizo Cane Eradication along the Southwest Border. The project involves comprehensive invasive plant removal across multiple sectors from Del Rio to the Rio Grande Valley, with project scope ranging from 5-20 acres to potentially 3,000 acres, with a total estimated clearance of 66,000 acres pending landowner agreements and environmental clearances.
The ROM details three specific task areas: 1) Aerial Mapping & Site Preparation, which includes identifying target areas and establishing buffer zones, 2) 25-Foot River's Edge Removal, involving mechanical cutting, herbicide treatment, and native species protection, and 3) 25-Foot Inland Zone Removal, featuring root plowing, rhizome management, native reseeding, and ongoing monitoring. Vendors are required to submit ROM pricing via email to donna.r.mcmullen@cbp.dhs.gov by December 26, 2025 at 5pm ET, with pricing to include comprehensive eradication, restoration, and maintenance functions across specified buffer zones.
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December 16, 2025 Rough Order of Magnitude (ROM) – Carrizo Cane Eradication A. Please see task areas 1, 2, & 3 below.
B. Please provide a Rough Order of Magnitude (ROM) price estimate and/or price range per acreage for the eradication of Carrizo Cane.
C. Please submit your ROM Pricing via email to: donna.r.mcmullen@cbp.dhs.gov D. The ROM price shall include all functions captured in the below checklist?
E. ROM Due Date: December 26, 2025 @ 5pm ET.
1. Aerial Mapping & Site Preparation – ROM Price: $_________________________________ ☐ Conduct aerial mapping to identify Carrizo Cane acreage.
☐ Flag all target areas for removal.
☐ Establish buffer zones to protect native plants.
☐ Plan access routes to reduce environmental disturbance.
☐ Implement erosion control and reseeding measures.
1. 25-Foot Buffer & River’s Edge – ROM Price: $_______________________________ ☐ Establish 25-foot buffer zone along river’s edge.
☐ Mechanically cut Carrizo Cane to 4–6 inches without harming native vegetation.
☐ Treat regrowth (18 inches–1 meter) by wicking with approved aquatic herbicide.
☐ Repeat wicking treatment as regrowth reappears.
☐ Spot-treat regrowth while protecting native species.
☐ Monitor for 12 months to ensure native species establishment.
☐ Maintain area with Batwing Mower without damaging native trees.
1. 25-Foot Inland Zone – ROM Price: $_________________________________ ☐ Establish 25-foot inland buffer zone.
☐ Mechanically cut Carrizo Cane to 4–6 inches.
☐ Shallow root plow to max depth of 24 inches; lift rhizomes.
☐ Rake rhizomes into windrows (< 4 ft) or bury with 4 ft soil cover and one leaving windrows between 10 to 20ft apart on the surface ☐ Seed with approved native species blend and water to 80% stand.
☐ Provide weekly metered water usage report to CBP.
☐ Monitor restored areas for 12 months.
☐ Retreat regrowth (18 inches–1 meter) with wicking method herbicide.
☐ Maintain with Batwing Mower ensuring native tree protection.
☐ Light tilling to break remaining root mass; reseed as required.
☐ Conduct aerial drone herbicide treatment at 6–12 ft altitude, wind speeds < 5–10 mph.
File details come from the government source that posted it. Updated .