Attachment_1_-_Example_Call_Blackrock_PWS_DRAFT_1.pdf

2026 - 2031 PFO On-the-Ground Herbicide Application BPA Call Order For:

2026 Blackrock Canyon Herbicide Application

A. Project Area Description:

1. Approximate Acreage: 238 acres

2. Location of Work Site: Treatment area consists of two (2) treatment polygons. The treatment area is located at the Blackrock Day Use Area at approximately 42.814256, -112.330648. This location is located just north of Blackrock, ID which is a few miles southeast of Pocatello, ID and can be accessed by N Blackrock Canyon Rd.

3. Description of Work Site: A large portion of the treatment sites are a part of the Blackrock recreation area. Caution should be used as recreators will most likely be present on the trails. This area has grass and some shrubs and juniper within the treatment area. About 73% of the work site includes slopes ranging from 15% to 60%. The elevation is an average of 4900 feet. Large portions of the treatment site are away from the designated routes and cannot be accessed with motorized vehicles.

More information in Section C, Place of Performance.

4. Noxious Weeds Present: Dyer’s woad (Isatis tinctoria), whitetop (Lepidium draba), houndstongue (Cynoglossum officinale), musk thistle (Carduus nutans), Canada thistle (Cirsium arvense), common mullein (Verbascum Thapsus), and moth mullein (Verbascum blattaria).

B. Period of Performance:

Estimated Start Date: May 1, 2026

Estimated End Date: June 18, 2026

C. Place of Performance: All work will be performed on land administered by the Bureau of Land Management (see Unit & Vicinity Maps). Note that this project area will include lands labeled as “United States of America” on project maps. This call has acreage within the following categories:

Moderate Terrain with NO Off-Road Motorized Access: ~65 acres (~27%)

Difficult Terrain with Little to No or NO Off-Road Motorized Access: ~173 acres (~73%)

A large portion of the treatment sites are a part of the Blackrock recreation area. Large portions of the treatment site area away from the designated routes and cannot be accessed with motorized vehicles. No off-road or overland use of ORVs, trucks, or other motorized vehicles will be permitted at this site.

Backpack sprayers, hose/reel lines and/or horse/mules area authorized methods to spray areas with no motorized access. Trucks and ORVs can be used for roadside and may be parked on roads to be used for hose or reel lines. Be sure to maintain space for other vehicles and ORVs to pass by. Approximately 73% of the project area is located on difficult terrain due to steep slopes. The remaining 27% of the project area is on moderate terrain, mostly near designated travel routes.

There are two streams within the project area that join together into one stream. Note the two different herbicide formulations under Rate of Application is Section H.

D. Progress Reports: Should the completion of the project area take more than seven (7) calendar days, including days in which no spraying occurred, a progress report should be submitted to the COR and/or PI either via email or over a phone call during business hours every seven days (each week). This progress report should include an update on completed work and the Contractor’s plan for completing the rest of the project area.

E. Project Boundary Marking: The location and access to the unit(s) are shown on the vicinity and unit map(s).

The unit boundaries will NOT be identified by flagging, it will be up to the contractor to identify and verify boundaries in the field using maps and electronic devices to stay within the unit(s).

F. Detailed Unit Information: Minor amenities such as gas and diesel can be found in Pocatello, Idaho. The closest hospital is the Portneuf Medical Center in Pocatello, ID. Blackrock Canyon is a recreation area and tends to be busy on Fridays, holidays, and the weekends.

G. Travel Management Map(s): The map titled Chinese Peak-Blackrock Canyon at https://www.blm.gov/programs/recreation/recreation-programs/travel-and-transportation/idaho will show the designated routes on which motorized vehicles must remain.

H. Government Furnished Property and Services: The Government will provide georeferenced pdf maps, GIS shapefiles, Blank PAR forms, and the chemicals, surfactant, and dye necessary for this call order.

I. Contractor -Furnished Items and Services

1. Herbicide Requirements: The Government will be providing the chemical necessary for this project area. Any unused herbicide will be turned over to the Government upon completion of the contract.

2. Adjuvant Requirements: The Government will be providing the non-ionic surfactant necessary for this project area. Any unused adjuvant will be turned over to the Government upon completion of the contract.

3. Dye: Marking dye is requested to be used at this project area and will be provided by the Government.

4. Rate of Application:

For all areas except within the riparian zone:

7.0 fluid ounces of aminopyralid per acre

1.0 quart of 2, 4-D per acre

1.0 ounce of chlorsulfuron per acre

10 to 50 gallons of water carrier per acre

4.0 fluid ounces of non-ionic surfactant (NIS) for every 25 gallons of water carrier (or at the manufacturer’s recommended rate)

For within any present riparian zones and along the water’s edge: For this call, the riparian zone for spraying purposes will include everything within approximately 25 feet of the water’s edge or the stream bank if stream is running low or empty.

1.0 quart of aquatic 2, 4-D per acre

10 to 50 gallons of water carrier per acre

4.0 fluid ounces of aquatic non-ionic surfactant (NIS) for every 25 gallons of water carrier (or at the manufacturer’s recommended rate)

See Attachment 3 from the base BPA for approved formulations.

J. Fire Prevention: No additional tools to that which is already listed on the base BPA will be required for this call.

K. Wildlife Restrictions: No specific restrictions related to wildlife are included in this call.

L. Buffers and No Spray Zones: All necessary buffers will already be included in the unit boundaries for this call order.

M. Definitions:

Riparian zone: The damp, usually vegetated, area directly adjacent to a stream, river, or lake. These zones act as a transition between aquatic and upland ecosystems, characterized by high soil moisture, and often water loving vegetation.

N. Technical Exhibits: See Base BPA for required deliverables and instructions.