1、 TIA-1019-A September 2012Standard for Installation, Alteration and Maintenance of Antenna Supporting Structures and Antennas ANSI/TIA-1019-A-2012 APPROVED: AUGUST 16, 2012 REAFFIRMED: AUGUST 3, 2016 NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through
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29、OULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. ANSI/TIA-1019-A 1 Standard for Installation, Alteration and Maintenance of Antenna Supporting Structures and Antennas HISTORY 3 OBJECTIVE 3 SCOPE 3 1. GENERAL 4 1.1. Definitions 4 1.2. Abbreviations 8 1.3. Symbols and Notations 8 2. CONSTRUCTION
30、 CONSIDERATIONS 11 2.1. Scope 11 2.2. Rigging Plans 11 2.3. Construction Equipment 11 2.4. Lifting Devices 12 2.5. Gin Pole Jumping and Lifting 13 2.6. Hoist 13 2.7. Temporary Supports 14 2.8. Guy Installation 15 2.9. Rigging Components 16 2.10. Personnel Lifting 18 2.11. Dismantling/Modification Co
31、nsiderations 18 2.12. Load Testing and Verification 19 2.13. Monitoring During Lifting Operations 19 2.14. Climbing Facilities 19 2.15. Site Evaluation 20 2.16. Training 20 3. GIN POLE OPERATION AND USE 27 3.1. Scope 27 3.2. Gin Pole Components 27 3.3. Lifting Personnel 28 3.4. Gin Pole Inspections
32、28 3.5. Load Charts 29 ANSI/TIA-1019-A 2 3.6. Tilted Gin Poles 32 3.7. Special Engineered Lifts 33 4. SUPPORTING STRUCTURE LOADING 44 4.1. Scope 44 4.2. Design Standards 44 4.3. Structural Loads 44 4.4. Load Combinations 45 4.5. Construction Duration Reduction Factors 45 5. GIN POLE ANALYSIS AND DES
33、IGN 47 5.1. Scope 47 5.2. Classification of Vertical or Near Vertical Gin Poles 47 5.3. Design Method 47 5.4. Impact Factors 47 5.5. Load Combinations 47 5.6. Reactions 48 5.7. Analysis Models 48 5.8. Overall Stability 49 5.9. Connections 50 5.10. Rooster Head 51 5.11. Generation of Standard Load Ch
34、arts for Vertical or Near Vertical Gin Poles 52 6. GIN POLE CONSTRUCTION 57 6.1. Scope 57 6.2. Manufacturing 57 ANNEX A: PROCUREMENT AND USER GUIDELINES (NORMATIVE) 59 ANNEX B: GIN POLE ENGINEERING DESIGN (NORMATIVE) 60 ANNEX C: EVALUATION OF EXISTING GIN POLES (NORMATIVE) 63 ANNEX D: RIGGING PLAN (
35、NORMATIVE) 64 ANNEX E: WIRE ROPE END CONNECTIONS (NORMATIVE) 72 ANNEX F: EVALUATION OF A COMMUNICATION TOWER SITE (NORMATIVE) 77 ANNEX G: REFERENCES (INFORMATIVE) 82 Notes: 1. Normative annexes are integral parts of the Standard which for reasons of convenience are placed after other requirements of
36、 the Standard. 2. Informative annexes contain additional information and are not considered parts of the Standard. ANSI/TIA-1019-A 3 HISTORY The installation, alteration and maintenance of communications structures, and the associated equipment they support have been based on extensive field practic
37、es that are unique due to their height and slenderness and historically have been performed without the benefit of a uniform design standard. OBJECTIVE The objective of this Standard is to provide construction guidelines for the Telecommunications and Broadcast Industries. This Standard is intended
38、to replace the Standard ANSI/TIA-1019-2004, “Structural Standards for Steel Gin Poles Used for Installation of Antenna Towers and Antenna Supporting Structures”. Information contained in this Standard was obtained from available sources and represents, in the judgment of the subcommittee, the accept
39、ed Industry minimum standard for the installation, alteration and maintenance of antenna supporting structures and antennas. While it is believed to be accurate, this information should not be relied upon for a specific application without competent professional examination and verification of its a
40、ccuracy, suitability, and applicability. It is the intent of this Standard to have Owners specify this Standard for projects and to have Contractors follow the Standard in their work. SCOPE The scope of this Standard is to provide construction considerations and loading requirements for structures u
41、nder construction related to antenna supporting structures and antennas. The Standard addresses the requirements for specialized equipment such as: gin poles, hoists and required temporary supports. This Standard provides criteria based upon both Load and Resistance Factor Design (LRFD) and Allowabl
42、e Stress Design (ASD) methods. Figures and drawings in this Standard are for illustration purposes only and are not intended to represent all potential aspects of a particular lift or rigging situation. It is the responsibility of the user to determine an appropriate rigging plan in accordance with
43、this Standard for construction activities accounting for all loads, forces and reactions. ANSI/TIA-1019-A 4 1. GENERAL 1.1. Definitions Allowable Stress Design: a design method utilizing working loads where the design strength of a structural component is equal to its minimum ultimate strength divid
44、ed by a safety factor. Basket: the lower support of a gin pole providing both vertical and horizontal support. Boatswain Chair: a seat consisting of a rigid or flexible seat and a rope, originally used on ships and boats and later adapted for working at heights on buildings and other structures. Bri
45、dle: (Collar) the upper support of a gin pole providing horizontal support. Capstan Hoist: a spool shaped drum for wrapping a synthetic rope to raise or lower a load. Charted Value: a value tabulated in a gin pole Standard Load Chart. Communication Structure: a structure used for transmitting or rec
46、eiving electronic communication or broadcast signals. Competent Rigger: a person knowledgeable and experienced with the procedures and equipment common to the Communication Structures Industry and trained to identify hazards with authorization to take prompt corrective measures. Construction: field
47、activities related to the installation, alteration or maintenance of antenna supporting structures and antennas. Construction Duration: the period of time a structure is subject to construction loading. Construction Loads: loads applied to a structure by rigging systems, loads being lifted, and all
48、other material, equipment or loading associated with construction. Crown Block: (Top Block) the upper sheave assembly attached to a structure used to change the direction of a load or jump line coming from a hoist. Dismantling: the removal of existing antennas, appurtenances, structural components o
49、r the structure itself. Effective Length Factor: a factor to modify the unbraced length of a structural component based on its structural configuration and end conditions. Effective Wind Speed: the design wind speed used to determine wind loading. Fleet Angle: the wire rope deviation angle from a line normal (perpendicular) to the pin axis of a sheave or block. Free Body Diagram: a representation of an object in equilibrium, showing external forces, moments and support reactions. Full Body Harness with Boatswain Seat: a full body harness that incorporates a rigi
