Knotweed_Site_Tour_Questions - Answers 6-26-26.docx
DOCX document 2 MB Posted
- Solicitation number
- 2136083
- Issued by
- Cayuga County, New York
About this file
This document is a Q&A record from a site tour conducted by the New York State Office of Parks, Recreation and Historic Preservation for the 2026 Fair Haven Beach State Park Japanese Knotweed Herbicide Treatment project. The project encompasses chemical herbicide treatment of Japanese knotweed across 5.85 acres at Fair Haven Beach State Park in Cayuga County, New York, comprising 17 different treatment locations of varying sizes and densities. The scope includes approximately 4.06 acres of terrestrial areas to be treated via foliar application and 1.79 acres in the northeast wetland polygon to receive either stem injection or foliar treatment depending on standing water conditions at the time of application. NYS Parks staff will conduct mechanical cutting of terrestrial knotweed in June using gas-powered brush saws, leaving cut stems in place for later treatment. The mandatory site visit occurred on June 22, 2026, from 10:00 a.m. to 12:00 p.m. ET, and vendor questions were due June 25, 2026 at 5:00 p.m. ET, with responses due July 3, 2026. Treatment must be performed between August 15 and September 30, 2026.
Pricing must be submitted as all-inclusive lump-sum bids covering all salaries, equipment, supplies, travel mileage, and accommodation, with separate pricing required for wetland stem injection or foliar treatment and terrestrial foliar application. Applicators must hold valid New York State Department of Environmental Conservation Commercial Pesticide Applicator Certification in Category 3A for terrestrial foliar work or Category 5A for applicators working in areas with standing water; Category 5A certification is not required for the entire project. Treatment must utilize glyphosate-based aquatic-approved herbicides such as Rodeo, Aquamaster, or equivalent formulations. Contractors will have access to a water spigot at the maintenance facility for preparation purposes. Commercial General Liability Insurance must meet $1 million per occurrence and $2 million aggregate limits, and Workers' Compensation and Disability Benefits Insurance are required. No MWBE goals, prevailing wage, or contractor registry requirements apply. Buy America requirements mandate that iron, steel, manufactured products, and construction materials be produced in the United States unless subject to an approved waiver. Award will be made to the lowest-quoted responsive and responsible bidder.
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Other files
| File | Type | Posted |
|---|---|---|
| REVISED EFO-FHB- 2026_JapaneseKnotweed RFQ 6-26-26.docx | DOCX document | |
| EFO-FHB- 2026_JapaneseKnotweed RFQ.docx | DOCX document |
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Text version
Questions:
Wetland Site
1. Would the knotweed be too small for stem injections?
The northeast wetland polygon (1.79 acres) is the only stem injection area, and it will not be mechanically cut. It is left standing for stem injection or foliar treatment in August, so the knotweed there will be full height. Size should not be a problem for stem injection.
2. Would it be beneficial to separate the pricing between the stem injections and the foliar spraying treatment?
Yes. The RFQ has been amended to require separate pricing for the wetland and terrestrial treatment. The terrestrial areas (approximately 4.06 acres) are treated by foliar application, and the northeast wetland polygon (1.79 acres) is treated by stem injection or foliar depending on standing water at the time of treatment. Both are priced per acre and will be awarded together to a single contractor.
3. Are you cutting the knotweed at the wetland site regardless of which treatment type?
No. NYS Parks staff cut all terrestrial knotweed with brush saws in June. The large northeast wetland polygon (1.79 acres) will not be cut and is left standing for stem injection or foliar treatment, depending on standing water at the time.
4. If you don’t cut the knotweed, how are we going to get 90% spray coverage?
The RFQ does not set a 90% coverage standard. It says the standing polygon is treated by foliar or stem injection depending on standing water, and that foliar is acceptable where no standing water is present. How to get coverage on the standing growth is left to the contractor.
5. If you don’t cut the knotweed, how are we going to be able to access the knotweed to stem inject?
There is a foot trail that leads to the site that contractors can take to access it. Entering and treating the dense knotweed patch is up to the contractor or after discussions with parks biologists.
6. What is the acreage of the site?
5.85 acres total, scattered across various populations. Of that, the northeast wetland polygon is 1.79 acres (left standing), and the remaining roughly 4.06 acres are terrestrial and treated by foliar.
7. Is there a potential for drone use?
Drone use is prohibited.
8. For the areas within the wetland that will not be cut, can you provide an acreage estimate or approximate linear footage that will require stem injection treatments?
A linear footage is not available. The area is the 1.79 acre northeast wetland polygon, which is roughly 80 to 100% knotweed cover. How much of it is stem injected versus foliar treated depends on standing water at the time of treatment.
Knotweed Along Cabin Site
1. Will this section be all foliar spraying treatment?
Yes. All terrestrial sites are treated by foliar application, and only the northeast wetland polygon may need stem injection.
2. What form will the maps be in?
Georeferenced PDF files that are compatible with Avenza.
Dump Site
1. Did you cut last year?
No. This site experiences constant disturbance.
2. How far down the stem do you usually cut it?
Standard guidance is to cut low, about 2 to 3 inches above the ground, when cutting in June. That produces shorter regrowth, roughly 2 to 4 feet, which is much easier to foliar treat 8 or more weeks later in late summer. On this project the June cutting is done by Parks staff.
3. What do you do with the cut plants afterwards?
We leave the cut stems as they are. We do not remove them or haul them away. They are left in place to be treated later on.
4. Did you use battery powered brush cutters or gas?
We use gas powered brush saws.
5. How many treatment sites are there in total?
17 different locations varying in size and density, totaling 5.85 acres.
General
1. Is a Category 5A certification required for this project, or is Category 3A acceptable?
Both are in play. 3A is acceptable for the terrestrial foliar work. Category 5A is necessary for applicators working within an area with standing water at the time of application. A 5A certification is not required for the whole project.
2. Is there a water source available on-site?
Yes, there is a water spigot at the maintenance facility (Building 1) that contractors will have access to.
3. Are the cabins available for rent at a discounted rate for contractors performing work on-site?
No, this is not available.
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