ContractSolicitationTotal Small Business Set-Aside (FAR 19.5)

Pine Flat Lake Herbicide Service

DEPT OF DEFENSE W9123826QA011
Response Deadline
May 28, 2026
8 days left
Days Remaining
8
Until deadline
Set-Aside
Total Small Business Set-Aside (FAR 19.5)
Notice Type
Solicitation

Contract Opportunity Analysis

The U.S. Army Corps of Engineers, W91238 Endist Sacramento, is seeking herbicide spraying services for the Pine Flat Lake and Dam Project in Fresno County, California. The work is a performance-based requirement to provide all labor, materials, equipment, transportation, and supplies for herbicide application across recreation, wildlife, and utility areas, including roadsides, fence lines, trails, parking lots, structures, campsites, and evaporation ponds. The contract calls for EPA-registered herbicides approved for California and Fresno County, off-site mixing and disposal, post-application monitoring, public notification signage, and a 90% vegetative kill rate, with services performed between December and May under a base year and four option years. The RFQ is evaluated on a lowest-price-technically-acceptable basis and requires a California Herbicide Applicator License, with a Letter of Commitment for any subcontractors.

Classification Codes

NAICS Code
561730
Landscaping Services
PSC Code
S208
HOUSEKEEPING- LANDSCAPING/GROUNDSKEEPING

Solicitation Documents

5 Files
Questions and Answers - Herbicide.pdf
PDF112 KBMay 18, 2026
AI Summary
The W9123826QA011 Pine Flat Herbicide Services LPTA document provides answers to bidder questions regarding a federal contract for herbicide application services. Key details include application targets in February and April, with areas measured approximately from satellite imagery. The scope focuses on invasive weeds, not brush, and does not involve mastication prior to treatment. Campsites will remain open, with the COR coordinating visitor reservations. Contractors are responsible for reporting to federal, state, and county agencies, including Attachment D with invoices for each application period. A QAL/QAC certification is required for those performing applications, though the contractor can appoint their preferred individual. A 90% success rate is expected, with previous contractors achieving this. Water will be provided, but on-site mixing is prohibited; contractors should use truck-mounted and backpack sprayers. All proposed chemicals must be approved by the COR during a pre-work meeting. Bid information is not public, and site inspections can be arranged through Verne Adams. Contractor patent formulas will remain private, but MSDS sheets are required. Fresno County registration is mandatory upon award. Third-party inspection for the Quality Control Plan is acceptable, and a subcontractor’s California Herbicide Applicator License is valid. Previous contract amounts and budget allocations are not being released.
Solicitation.pdf
PDF3278 KBMay 18, 2026
AI Summary
This government solicitation, W9123826QA011, issued by W91238 ENDIST SACRAMENTO, is a Request for Quote (RFQ) for "Pine Flat Herbicide Services." The acquisition is set aside for Women-Owned Small Businesses (WOSB) with a NAICS code of 561730 and a size standard of $9,500,000.00. The solicitation outlines a base period from June 1, 2026, to May 31, 2027, with four one-year option periods extending through May 31, 2031. Services include herbicide application at various locations such as Dam Access Road, recreation areas, and wildlife areas, all under a Firm Fixed Price arrangement. Key requirements for offerors include submitting a California Herbicide Applicator License and a Letter of Commitment for any subcontractors. The contract incorporates various Federal Acquisition Regulation (FAR) and Defense Federal Acquisition Regulation Supplement (DFARS) clauses, covering areas like small business utilization, labor standards, and data security. The evaluation will be based on the Lowest Price Technically Acceptable (LPTA) method, considering technical factors and the total price for the base plus all option years.
PWS KO approved.pdf
PDF686 KBMay 18, 2026
AI Summary
The U.S. Army Corps of Engineers (USACE) is soliciting bids for herbicide spraying services at various recreation and wildlife areas within the Pine Flat Lake and Dam Project boundaries in Fresno County, CA. This performance-based contract requires the contractor to furnish all labor, materials, equipment, transportation, and supplies to spray herbicides for contact and pre-emergent kill of vegetation across approximately 20.14 to 40.28 acres annually. Services include treating roadsides, fence lines, trails, parking lots, structures, campsites, and evaporation ponds. The contractor must use EPA-registered herbicides approved for California and Fresno County, including specific chemicals like Garlon 4 and Roundup, and non-toxic coloring agents. Key requirements include a 90% vegetative kill rate, post-application monitoring, public notification signage, off-site chemical mixing and disposal, and strict adherence to safety regulations (EM 385-1-1, OSHA, and California CCRs). The contract spans a base year and four option years, with services performed between December and May. Bidders must conduct site inspections, submit an Accident Prevention Plan, a Quality Control Plan, and ensure all employees hold a Qualified Applicator License or Certificate.
Wage Determination 2015-5609.pdf
PDF4675 KBMay 18, 2026
AI Summary
This government file, Wage Determination No. 2015-5609, Revision No. 28, outlines the minimum wage rates and fringe benefits for various occupations under the Service Contract Act in Fresno County, California, with a last revision date of December 3, 2025. It covers a wide range of job categories, including administrative support, automotive service, healthcare, information technology, and maintenance. The document also details fringe benefits such as health and welfare, vacation, and holidays. Additionally, it provides specific guidance on Executive Orders 13706 and 13658 regarding paid sick leave and minimum wage for federal contractors. Procedures for conforming unlisted job classifications and hazardous pay differentials for working with ordnance are also included, along with uniform allowance requirements.
Attachment E Thur I.pdf
PDF3843 KBMay 18, 2026
AI Summary
The document provides a detailed breakdown of various areas and facilities, primarily focusing on recreation, wildlife, and utility infrastructure, along with their approximate total areas in square feet and acres. Key sections include Dam Access Roads, Headquarters, Kings River Wildlife Area, and Misty Flat Restricted Area. Recreation areas like Deer Creek, Island Park, Lakeview, and Trimmer are extensively detailed, specifying components such as asphalt parking lots, structures, signs, roads, embankments, dirt parking, campsites, trails, evaporation ponds, and water tanks. The file serves as an inventory or scope description for sites potentially involved in federal or state projects, grants, or RFPs, outlining the physical dimensions and components of each listed location.

Related Contract Opportunities

Project Timeline

postedOriginal Solicitation PostedApr 7, 2026
amendedLatest Amendment· Description UpdatedMay 18, 2026
deadlineResponse DeadlineMay 28, 2026
expiryArchive DateJun 12, 2026

Agency Information

Department
DEPT OF DEFENSE
Sub-Tier
DEPT OF THE ARMY
Office
W075 ENDIST SACRAMENTO

Point of Contact

Name
La Chad Jefferson

Place of Performance

Piedra, California, UNITED STATES

Official Sources