By ASCE/SEI 52-10
ASCE/SEI normal 52-10 applies to fiberglass-reinforced plastic (FRP) stacks these stacks the place the first helping shell is made from FRP. layout of Fiberglass-Reinforced Plastic (FRP) Stacks outlines the concerns that needs to be made for either the mechanical and structural layout; emphasizes what attention needs to be taken for wind- and seismic-induced vibrations; offers instructions for ultraviolet defense and choice of fabrics; states the necessities for lights and lightning safeguard established upon present development and federal codes; offers the necessities for hiking and entry dependent upon present Occupational safeguard and health and wellbeing management (OSHA) criteria; emphasizes the $64000 components relating to fabrication and building; and descriptions components requiring upkeep and inspection following preliminary operation
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Extra info for Design of fiberglass-reinforced plastic (FRP) stacks (FRP) Stacks
3 Pitch Ladder pitch is defined as the angle between the horizontal and the ladder. The pitch shall never exceed 90 deg. nor less than 75 deg. from the horizontal. The pitch shall not be such that a person’s position is below the ladder when climbing. 5, safety cages shall be provided for ladders of more than 20 ft to a maximum length of 50 ft. Safety cages shall also be provided for elevated ladders less than 20 ft. • Cage shall extend to a minimum of 3 ft 6 in. above the top of a landing unless other acceptable protection is provided.
27 DESIGN OF FIBERGLASS-REINFORCED PLASTIC (FRP) STACKS examination is beneficial for all involved. An understanding of the stack system definitions will contribute to successful communication of examination tasks, procedures, data, and reports. 2 Original Design Basis versus Operating Basis Both the original design and the historic operating basis for the stack system shall be reviewed prior to performing any comprehensive examination. The objective of the review is to fully understand the service conditions assumed by the original design engineer, as well as the conditions under which the stack system has been operating.
The intermediate railing shall be approximately 22 in. above top of grating. The ends of the rail shall not overhang the terminal posts except where such an overhang does not constitute a projection hazard. Any part of the railing and the post shall be capable of withstanding a force of 50 lb͞ft horizontally or a concentrated load of 200 lb in any direction. 3 Toe Plates The main purpose of toe plates is to prevent material from falling into persons below the platform. Toe plates shall be at least 4 in.