IEEE C135.61-1997

14 Mar.,2023


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Trial-Use Guide for Maintenance of Wood Transmission and Distribution Line Structures

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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Guide for Wood Structures Used for Overhead Electric Transmission Lines

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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Standard for Line Hardware for Overhead Line Construction

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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Standard for Zinc-Coated Forged Anchor Shackles

This standard covers dimensions and strength requirements for anchor shackles used in overhead transmission and distribution line hardware.

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Standard for Fasteners for Overhead Line Construction

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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Standard for Pole Line Hardware for Overhead Line Construction

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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