Delaware New Castle Civic Plus #997

Stormwater Facility Maintenance Services for New Castle County

New Castle County Purchasing Division is seeking comprehensive stormwater facility maintenance services for 28 stormwater sites, including farm ponds. - Scope of work includes: - Integrated Vegetation Management (IVM) with biannual treatment of invasive and nuisance vegetation - Application of aquatic herbicides and algaecides by licensed applicators - Removal of treated vegetation - Routine manual maintenance of stormwater structures - Monthly maintenance from March to November - Sediment removal, trash and debris removal, aeration system maintenance, and vegetative buffer management - Aquatic herbicide and algaecide applications - Four annual applications targeting pond weeds and algae - Removal of dead/treated vegetation - Inspection and maintenance of underground subsurface stormwater facilities - 2-4 inspections annually per facility - Confined space certification required for underground work - Photo documentation and reporting - Vendors must hold relevant certifications and licenses: - DNREC Sediment and Stormwater Management Certification - Environmental Professional credentials - Aquatic Pesticide Applicator License - Delaware Certified Construction Reviewer - Maintenance schedules vary by facility; all work must be completed by year-end with reporting due the following January - No specific OEMs or product part numbers are mentioned; focus is on service delivery and compliance - References for similar work and adherence to specifications are required

Description

This solicitation is for the maintenance of stormwater facilities under a goods and services contract by New Castle County, Delaware. The scope includes integrated vegetation management, routine manual maintenance of stormwater structures, aquatic herbicide and algaecide applications, and inspection and maintenance of underground subsurface facilities. The contract requires licensed applicators and certifications, with work scheduled and inspected to ensure quality. Proposals are due by September 23, 2026, with an anticipated award date of October 1, 2026.

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