The company has a group of cooperation teams engaged in the turnbuckle assemblies, Overhead Line Fittings industry for many years, with dedication, innovation spirit and service awareness, and has established a sound quality control and management system to ensure product quality.
This guide provides general recommendations for maintaining wood poles and wood structures. The recommendations are based on sound asset management and engineering principles, safety and liability considerations and decades of field experience by many utilities. Included are technical explanations as required to cover: inspection of wood structures and attachments; supplemental preservative treatments; methods of restoring strength to pole sections weakened by decay, insects, woodpeckers and mechanical or other damage; wood structure system management.
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This guide consolidates useful information, methods, and reference materials that define the state of the art in the design of wood pole transmission structures, commonly in the 69 kV through 345 kV range, into one document. This guide addresses application of wood in transmission structures, characteristics of wood, methods of analysis, loadings, connections, non-wood members, erection and framing, quality assurance, electrical considerations, testing and maintenance.
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This standard covers the requirements of line hardware used in overhead lines, including clevis and eye fittings, Y-clevis fittings, socket fittings, ball fittings, chain links, shackles, triangular and rectangular yoke plates, suspension clamps, strain clamps, straight-line deadend clamps, and shoulder live line extension links.
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This standard covers dimensions and strength requirements for anchor shackles used in overhead transmission and distribution line hardware.
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This standard covers the requirements of inch-based: (1) zinc-coated ferrous carriage bolts, machine bolts, double-arming bolts, double-end bolts, washer-head bolts, eye bolts, eye nuts, and washer nuts; (2) zinc-coated ferrous lag screws of the fetter drive, gimlet point, and twist drive type; (3) washers; and (4) staples, commonly used in overhead line construction.
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This standard covers the requirements of inch-based hardware commonly used in wood pole overhead line construction. Metric hardware is not covered by this standard.
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