# Hawaii eProcurement Portal #B27000531

Wetland enhancement construction and monitoring at James Campbell National Wildlife Refuge

**Posted:** October 07, 2026
**Respond By:** November 13, 2026
**Identifier:** B27000531
**NAICS:** 237990

Hawaii DOT is seeking a contractor to enhance wetlands at James Campbell National Wildlife Refuge on Oahu.
- **Government buyers and related agencies**
  - State of Hawaii Department of Transportation, Highways Division: contracting agency for Federal-Aid Project STP-083-1(085).
  - U.S. Fish and Wildlife Service, James Campbell National Wildlife Refuge: refuge and project site; the permit attachment identifies Joshua Ream.
  - Hawaii Department of Health, Clean Water Branch: issued pesticide-discharge permit coverage for the refuge project.
- **Scope of work**
  - Remove California bulrush from Pond F-Mauka to a depth of 12 inches; transport excavated material directly to the designated refuge composting area without stockpiling or grading the excavation area.
  - Apply wetland-approved, glyphosate-based herbicides to control regrowth and other invasive plants every three months for one year after excavation. Large infestations require vehicle-mounted spraying; smaller populations may use knapsack sprayers.
  - Plant native wetland groundcover, maintain plantings and control invasive species, and install, maintain, monitor, and remove temporary water-pollution, dust, and erosion-control measures.
  - Establish and monitor vegetation plots and permanent photo points at Pond F-Mauka and the Punamano Unit reference site; submit monitoring records, photographs, and GPS data.
  - Provide required field-posted drawings and mobilization.
- **Products and quantities**
  - Native groundcover in 1-gallon pots: Cladium jamaicense, Cyperus javanicus, Cyperus laevigatus, Eleocharis calva, and Schoenoplectus tabernaemontani. Quantities and part numbers are not specified.
  - No named OEMs, product brands, or vendors are identified; herbicide is specified by formulation and use requirements rather than brand.
- **Notable requirements**
  - Bidders must hold a Hawaii General Engineering “A” or Specialty Contractor “C-27” license before contract award.
  - Herbicide application must be performed or supervised by a Hawaii Department of Agriculture-licensed pesticide applicator in the Commercial 2 - Forest category.
  - A qualified biologist must survey for endangered Hawaiian waterbirds within seven days of sustained work periods of three or more days.
  - The pesticide-discharge permit coverage requires a Pesticide Discharge Management Plan, documentation of applications, record retention, and access to records.
- **Estimated construction value:** $1.12 million to $1.68 million.

### Description

The project involves wetland enhancement at James Campbell National Wildlife Refuge on Oahu, near Pond F-Mauka and the Punamano Unit. Work includes removing specified invasive plants, restoring native wetland plants, and performing follow-up maintenance and monitoring. The estimated construction cost is $1,120,000 to $1,680,000. Bidders must hold a valid State of Hawaii General Engineering “A” or Specialty Contractors “C-27” license before contract award.

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