Section 02830 CHAIN LINK FENCE AND GATE(S)

Section 02830

_{CHAIN LINK FENCE AND GATE(S)}

PART 1 - GENERAL

1.1 THE REQUIREMENT

A. The CONTRACTOR shall furnish all tools, equipment, materials, and supplies and shall perform all labor required to complete the Work as indicated on the Drawings and specified herein.

B. This section covers the Work necessary for the chain link fence and gate(s), including removal of a portion of existing fence and reinstalling the chain link fence and gate(s) as shown on the Drawings and specified in the Contract Documents.

1.2 RELATED WORK SPECIFIED ELSEWHERE

A. The requirements of the following sections and divisions apply to the Work of this section. Other sections and divisions of the Specifications, not referenced below, shall also apply to the extent required for proper performance of this Work.

1. Sections 03300, Cast-In-Place Concrete

2. Section 05505, Metal Fabrications

3. Section 08710, Finish Hardware

1.3 REFERENCE SPECIFICATIONS, CODES, AND STANDARDS

A. All Work specified herein shall conform to or exceed the applicable requirements of the referenced portions of the following publications to the extent that the provisions thereof are not in conflict with other provisions of these Specifications.

B. Comply with the applicable editions of the following codes, regulations and standards.

1. Industry Standards:

ASTM F 567 Standard Practice for Installation of Chain-Link

Fence

SSPWC Section 206-6 “Green Book”, Standard Specifications for

Public Works Construction, Chain Link Fence

SSPWC Section 304-3 “Green Book”, Standard Specifications for

Public Works Construction, Chain Link Fence

C. Comply with the applicable reference Specifications as directed in the General

Requirements and the Additional General Requirements.

D. Comply with the SPPWC, Standard Plans for Public Works Construction, as referenced in this Specification.

1.4 CONTRACTOR SUBMITTALS

A. Submittals shall be made in accordance with the General Requirements, Additional

General Requirements and as specified herein.

1.5 QUALITY ASSURANCE A. General

1. Comply with the requirements specified herein and the applicable reference

Specifications of the General Requirements and Additional General Requirements.

PART 2 - PRODUCTS

2.1 GENERAL

A. All materials and fittings shall be in conformance with SSPWC Section 206-6 Chain

Link Fence or as otherwise shown on the Drawings.

B. Salvaged material from the existing fence shall be undamaged and acceptable to the ENGINEER prior to reuse or reinstallation. Any material not reused shall be removed as directed by the ENGINEER.

C. Like items of materials provided hereunder shall be the end products of one manufacturer in order to achieve standardization for appearance, maintenance, and replacement.

2.2 FABRIC

A. Galvanized Fabric:

1. Chain link fabric shall conform to the requirements of SSPWC Section 206-6.3.1. B. Polyvinyl Chloride (PVC)-Coated Fabric:

1. PVC-coated chain link fabric shall be in conformance with SSPWC Section

206-6.3.2.

2.3 POSTS, RAILS AND BRACES

A. The materials for posts, rails, and braces shall be in conformance with SSPWC Section 206-6.2.

2.4 TENSION WIRES AND FABRIC TIES

A. Tension wires and ties used to fasten the fabric to posts, rails, and gate framed shall be in conformance with SSPWC Section 206-6.4.

2.5 TRUSS OR TENSION RODS

A. Truss or tension rod used in construction shall be in conformance with SSPWC Section 206-6.5.

2.6 FITTINGS

A. All required fittings and hardware shall be galvanized and in conformance with

SSPWC Section 206-6.6.

2.7 BARBED WIRE

A. Barbed wire shall be in conformance with SSPWC Section 206-6.7.

2.8 REPAIR OF DAMAGED COATINGS

A. Repairs to abraded or otherwise damaged zinc coating shall be made in conformance with SSPWC Section 206-6.8.

2.9 GATES

A. Gates shall be swing or sliding as indicated, complete with latches, stops, keepers, hinges, or rollers and roller tracks.

B. Gate frames shall be constructed of tubular members welded at all corners or assembled with fittings. On steel, welds shall be painted with zinc-based paint. Where corner fittings are used, gates shall have truss rods of 5/16 inch minimum nominal diameter to prevent sag or twist. Gate leaves shall have vertical intermediate bracing as required, spaced so that no members are more than 8 feet apart. Gate leaves 10 feet or over shall have a horizontal brace or one 5/16 inch minimum diagonal truss rod. When fence has barbed wire top, the end members of the gate frames shall be extended 1 foot above the top horizontal member to which three strands of barbed wire, uniformly spaced, shall be attached by use of bands, clips, or hook bolts.

C. Fabricate frames of standard weight pipe 1.90 inches outside diameter, weight

2.72 pounds per linear foot.

D. Gate fabric shall be the same type as used in the fence construction. The fabric shall be attached securely to the gate frame at intervals not exceeding 15 inches.

E. Gate hinges shall be of adequate strength for gate and with large bearing surfaces for clamping in position. The hinges shall not twist or turn under the action of the gate. The gates shall be capable of being opened and closed easily by one person.

F. Gate latches, stops, and keepers shall be provided for all gates. Latches shall have a plunger-bar arranged to engage the center stop, except that for single gates of openings less than 10 feet wide a forked latch may be provided. Latches shall be arranged for locking with padlocks. Center stops shall consist of a device arranged to be set in concrete and to engage a plunger-bar of the latch of double gates. No stop is required for single gates. Keepers shall consist of a mechanical device for securing the free end of the gate when in the full open position.

1. Double Gates: Size and configuration shall be as indicated. Provide gate stops for all double gates, consisting of mushroom type or flush plate with anchors. Set in concrete to engage the center drop rod or plunger bar. Provide locking device and padlock eyes as an integral part of the latch, requiring one padlock for locking both gate leaves.

2. Sliding Gates: Provide manufacturer's standard heavy-duty track, ball-bearing hanger sheaves, overhead framing and supports, guides, stays, bracing, and accessories as required. All sliding gates shall be rolling, cantilever slide, or overhead (top) suspended, as indicated on Drawings.

G. Rolling gate track rollers shall be malleable iron or heavy pressed steel construction, with provision for regular grease lubrication. Ground rollers shall have malleable iron or heavy pressed-steel hubs with similar provision for lubrication. Gate track shall be Schedule 40 pipe, firmly attached to support posts on 7-foot maximum centers. Gates more than 8 feet in height shall have three tracks. Rolling gate frames shall be constructed similar to swing gates except diagonal bracing shall reflect different support type.

H. Cantilever gate rollers shall have heavy malleable rollers, needle or ball bearings with fittings for regular lubrication. Maximum spacing of support posts is 10 feet. Additional weight-supporting posts with lower roller shall be provided on 10-foot-maximum centers. Support posts shall be 4 inches in diameter, Schedule 40, set at 36 inches minimum depth. Top and lower rails of gate shall be 2-3/8 inches in OD, Schedule 40 pipe. Vertical support posts shall be on 6-foot maximum spacing, 1-7/8-inch OD, Schedule 40 pipe, all diagonal bracing 1-5/8-inch OD, Schedule 40 pipe, all connections welded and painted.

I. Keeper: Provide keeper for all vehicle gates that automatically engages the gate leaf and holds it in the OPEN position until manually released.

2.10 REMOVABLE FENCE PANELS

A. Removable fence panels shall be provided as indicated on the Drawings. The total length of any removable fence section shall be divided into equal removable fence panels with panel length not to exceed 10 feet. The posts on either side of removable fence panels shall be hot-dip galvanized pipe, 3 inches OD, 5.71 pounds per linear foot.

2.11 CONCRETE

A. Materials as specified in Sections 03300, Cast-In-Place Concrete. Proportions shall be 1:2:4. Compressive strength shall not be less than 2,000 pounds per inch at 28 days.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Installation of fencing shall meet the requirements of ASTM F 567.

B. Fence construction shall be in conformance with SSPWC Section 304-3.2

C. Installation of gates shall be in conformance with SSPWC Section 304-3.3

3.2 REMOVAL AND RESETTING OF EXISTING FENCE

A. All accessories shall be removed carefully and all materials stored in a safe place until required for resetting. The CONTRACTOR shall provide all new material necessary to replace lost or damaged material and as required for a complete and satisfactory installation. In general, the salvaged fencing shall be reinstalled as specified for new material. All concrete shall be removed from posts before they are reset. The CONTRACTOR may furnish all new materials, rather than salvage and reuse the existing fence.

3.3 CLEANUP

A. Upon completion of the fence installation, clean up all waste material resulting from the operation. The clean-up shall be subject to acceptance by the ENGINEER.