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Unenclosed perimeter protection shall be inspected, used, adjusted, maintained, repaired, and replaced in accordance with the design drawings, manufacturer specifications, and the requirements of this code. Where there is a discrepancy, the stricter standard shall apply.
3308.9.1 Safe Condition
Unenclosed perimeter protection shall be maintained in a safe condition and used in a manner that eliminates hazards to the public and property. Any hazardous conditions or defects discovered with such shall immediately be brought to the attention of the responsible permit holder under Section 3308.4.
3308.9.2 Precautions
Precautions shall be taken to prevent unenclosed perimeter protection from being damaged by sunlight, abrasion, sand, rust, welding, cutting operations, chemicals, and airborne contaminants, where such systems are susceptible to damage by such.
3308.9.3 Inspections
Unenclosed perimeter protection shall be inspected for compliance with this code, manufacturer specifications, and required drawings at least daily, as well as before and after each removal and restoration in accordance with Section 3308.10.3, and after each impact loading event, installation, reinstallation, adjustment, maintenance, or repair of the unenclosed perimeter protection or any part or component of such. Where the job requires a site safety manager or coordinator in accordance with Section 3310, the inspection shall be performed by the site safety manager or coordinator, and a written record of such inspection maintained as part of the site safety log. Where the job does not require a site safety manager or coordinator, the inspection shall be performed by a competent person designated by the permit holder in accordance with Section 3308.4, with a record of such inspection prepared, initialed, and dated by such competent person.
3308.9.4 Removing From Service
Unenclosed perimeter protection showing signs of mildew, corrosion, wear, tears, breaks, frays, damage, or deterioration that may substantially affect the strength of such shall be immediately removed from service.
3308.9.5 Repair
Repairs to unenclosed perimeter protection shall be in accordance with the specifications of the manufacturer of such and shall provide the original manufacturer factor of safety, or where manufacturer specifications do not exist, shall be repaired in accordance with specifications developed by the registered design professional responsible for the design of the unenclosed perimeter protection in accordance with Section 3308.3.1.
Exception: Structural nets and debris nets shall not be repaired.
3308.9.6 Vacuum Cleaning
Areas in the vicinity of operations related to the installation, reinstallation, adjustment, maintenance, repair, temporary removal, or permanent removal of unenclosed perimeter protection systems that produce or typically produce small debris shall be vacuumed as the operation progresses. Examples of operations that produce small debris include, but are not limited to, the installation or removal of fasteners for a vertical netting system, chipping to expose curtain wall clips, preparation of the slab to install or receive exterior walls, and chopping or core drilling at perimeter for mechanical risers. Vacuum equipment shall be tethered or otherwise secured to prevent the equipment from falling.

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