Attachment_3-__DFO_Cattleguard_Specifications.pdf
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- Attached to
- DILLON FIELD OFFICE CATTLE GUARD Federal contract opportunity
- Solicitation number
- 140L3626Q0033
About this file
This is a Statement of Work for the Dillon Field Office (DFO) of the Bureau of Land Management (BLM) for the procurement and delivery of cattleguards. The contractor is responsible for delivering materials to the BLM Admin Site located at 1005 Selway Drive, Dillon, Montana 59725, with the BLM providing forklift and operator for off-loading. The contract encompasses three main components: cattleguard grids, precast concrete bases, and cattleguard wings.
The cattleguard grids must be constructed of ASTM A-36 steel with all-welded construction conforming to AWS D1.1 standards, designed to AASHTO HS-20 load specifications, with solid continuous rails containing no butt welds. All steel components must be cleaned per SSPC SP-6 and painted with a lead-free, zinc-rich alkyd metal primer (1-1/2 mils minimum dry-film thickness) followed by an oil alkyd-enamel gloss finish coat (3 mils minimum dry-film thickness applied in two applications) in federal safety yellow or color No. 13655. The precast concrete bases must have 3,000 psi, 28-day compressive strength with smooth finish, at least one lift eye welded to rebar, and two ½-inch threaded anchor bolts extending 4 inches from each end positioned 3 inches and 9 inches from the top, centered in the upright portion; bases must be 3 inches longer than nominal size (12-foot bases measuring 12'3", 14-foot bases measuring 14'3", and 16-foot bases measuring 16'3"). Cattleguard wings must be ASTM A-36 steel with all-welded construction and identical paint specifications to the grids. Contractors must submit two copies of manufacturer's descriptive data and design data, along with two copies of written certification confirming conformance to all drawing and specification requirements.
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| Sol_140L3626Q0033.pdf | ||
| Attachment_2-_DFO_Cattleguard_Drawings_and_Location_Map.pdf | ||
| Attachment_1-_Price_Schedule_DFO_Cattleguard.docx | DOCX document |
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Text version
Dillon Field Office Cattleguards
BUREAU OF LAND MANAGEMENT
1005 Selway Drive Dillon, Montana
59725
March 4, 2026
DILLON FIELD OFFICE
CATTLEGUARDS TABLE
OF CONTENTS
TABLE OF CONTENTS
DFO CATTLEGUARDS
SPECIFICATIONS PAGE NO.
STATEMENT OF WORK .......................................................................................... 1 - 2
DRAWINGS PAGE NO.
LOCATION MAP ...................................................................................................... 1 of 4
CATTLEGUARD GRID ........................................................................................... 2 of 4
CATTLEGUARD BASE ........................................................................................... 3 of 4
CATTLEGUARD WINGS ....................................................................................... 4 of 4
DFO CATTLEGUARDS
STATEMENT OF WORK
STATEMENT OF WORK
DFO CATTLEGUARDS
GENERAL STATEMENT:
This contract is to fulfill the Dillon Field Office (DFO) need for Cattleguards. The Bid Value Schedule will provide quantities and lengths of cattleguards as required by this contract. The Contractor awarded this contract is responsible for delivery of the materials to the BLM Admin Site located at 1005 Selway Drive, Dillon Mt. 59725. At the BLM site, BLM will provide forklift and operator for off-loading materials.
REQUIRED FEATURES – CATTLEGUARD GRID:
*All steel components shall be ASTM A-36, unless indicated otherwise on the drawings.
*Design load of Grid shall conform to AASHTO HS-20.
*Steel Grids shall be all-welded construction. Welds shall be secure and complete along both edges of cross pieces and at joints in the frame, and conform to AWS D1.1.
*Rails shall be solid continuous members; they shall not have butt welds.
*Paint: Structural steel shall be cleaned according to SSPC SP-6. Cattleguards Grids and end wings shall each receive a prime coat and finish coat. The prime coat shall be a lead free, zinc-rich, rust-inhibitive alkyd metal primer. Minimum thickness shall be 1-1/2 mils dry-film thickness. The finish coat shall be an oil alkyd-enamel, gloss paint. Minimum thickness shall be 3MIL dry film thickness, applied in two applications.
*Paint color shall be federal safety yellow or match color No. 13655, FED specification TT-C-
595. Cattleguards and wings shall be painted after fabrication.
*Manufacturer’s Literature: Submit 2 copies of the manufacture’s descriptive data including design data for commercial cattleguards grids.
*Certificates: Submit 2 copies of written certification from the supplier that the cattleguards conform to the requirements as shown on the drawings and stated in the specification notes.
REQUIRED FEATURES – CATTLEGUARD BASES:
*Bases shall be of precast concrete with 3,000 psi, 28 day compressive strength. Concrete shall be smooth finished, and free of voids, excessive honeycomb, or other imperfections.
*Each base will have at least one lift eye set into the face, welded to the rebar, for lifting the base.
STATEMENT OF WORK
DFO CATTLEGUARDS
*Each end of each base will have two ½” threaded anchor bolts extending 4” from the base, for attaching side boards. Anchor bolts will be 3” and 9” from the top of the base, and centered into the upright part of the base.
* Each base will be 3” longer than its nominal size, i.e., 12’ bases will measure 12’ 3”, 14’ bases will measure 14’3”, and 16’ bases will measure 16’3”.
REQUIRED FEATURES – CATTLEGUARD WINGS:
* All steel components shall be ASTM A-36, unless indicated otherwise on the drawings.
*Cattleguard wings shall be all welded construction, welds shall be secure and complete.
* Paint: Structural steel shall be cleaned according to SSPC SP-6. Cattleguards Grids and end wings shall each receive a prime coat and finish coat. The prime coat shall be a lead free, zinc-rich, rust-inhibitive alkyd metal primer. Minimum thickness shall be 1-1/2 mils dry-film thickness. The finish coat shall be an oil alkyd-enamel, gloss paint. Minimum thickness shall be 3MIL dry film thickness, applied in two applications.
*Paint color shall be federal safety yellow or match color No. 13655, FED specification TT-C-
595. Cattleguards and wings shall be painted after fabrication.
*Manufacturer’s Literature: Submit 2 copies of the manufacture’s descriptive data including design data for commercial cattleguards grids.
*Certificates: Submit 2 copies of written certification from the supplier that the cattleguards conform to the requirements as shown on the drawings and stated in the specification notes.
| Specificiations Cover |
| TABLE OF CONTENTS |
| NEW STATEMENT OF WORK |
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