A06_-_140L1722Q0015-Section_02824.pdf

WIRE FENCES AND GATES

TRFO Gate Installations [12/21]

02824 - 1

SECTION 02824

STEEL TUBE GATES

PART 1: GENERAL

1.1 SUMMARY

A. Section Includes: Furnishing and installing steel tube gates.

1.2 SUBMITTALS

A. General: Submittals shall be according to Section 01009 - General Information and Requirements.

1.3 QUALITY ASSURANCE

A. General: Contractor-furnished gates and accessories will be approved by the Contracting Officer before installation.

PART 2: PRODUCTS

2.1 CONTRACTOR-FURNISHED MATERIALS

A. Steel Pipe Posts: Post pipe shall be new, 3-inch diameter, schedule 40 or schedule 80 black steel pipe, length’s as shown on the drawings.

B. Steel Tube Gates: Steel tube gate, commercially purchased 1-5/8” minimum diameter, 18 ga. minimum steel tubing x 50-inch height, width of gates varies, see “Work Data Sheet” for additional information. Factory powder coated “Dark Green” in color. Gates shall include factory installed chain connectors. Fasteners, hinges, bolts, nuts and other accessories shall be galvanized, zinc coated, or cadmium-plated. See drawings for additional details.

C. Concrete Footings: Pre-mixed high strength concrete, 4000 PSI/28 day, meets or exceeds ASTM C387. Sakrete High-Strength Concrete mix or approved equal.

PART 3: EXECUTION

3.1 INSTALLATION

A. General: Remove and dispose of 5-1/2” x 6’ existing wood posts as described on the “Work Data Sheet”. Worksites #4 and #5 on the Big Canyon Section have existing steel tube gates that will be removed from the wood posts and reinstalled onto the new steel posts. Salvage existing hardware and re-use on new installation unless damaged and as approved by the Contracting officer.

B. Steel Pipe Posts: Install new posts plumb and as shown on the drawings and as spaced for each gate to be installed. Posts shall be installed so the gate can be latched and secured to be kept open or closed. Pre-drill

WIRE FENCES AND GATES

TRFO Gate Installations [12/21]

02824 - 2 holes for hinges and rebar anchors as shown on the drawings and as instructed by the applicable manufacturer if applicable.

NOTE: If solid rock is encountered at the post location(s), the contractor may elect to drill holes into solid rock slightly larger than the steel post diameter and securely set posts into drill holes. Posts shall be set to the depth as shown on the drawings. Grout posts as needed to prevent posts from moving/twisting in drill holes.

C. Steel Tube Gates: Install gates as shown on the drawings and as instructed by the gate manufacturer. Attach hinges as instructed by gate manufacturer and adjust as needed to allow gate to swing freely.

D. Concrete Footings: Excavate footings to the dimensions as shown on the drawings and mix concrete as instructed by the concrete mix manufacturer.

Allow concrete to cure a minimum of 7 days prior to mounting gate onto steel posts.

PART 4: MEASUREMENT AND PAYMENT

4.1 METHOD OF MEASUREMENT

A. Units: The work described in this section will be measured and paid for on a lump sum basis for the completed and accepted removal of wood posts, removal of existing gates if applicable, and the installation of the new steel posts and steel tube gates for the Animas Mountain East Trailhead Sites and the Big Canyon Trail Sites.

4.2 BASIS OF PAYMENT

A. Payment: Prices and payment will be full compensation for the work described in this section. Payment will be made under:

Pay Item Pay Unit

02824(1) Animas Mountain Gates LS 02824(2) Big Canyon Trail Gates LS

END OF SECTION