Specifications include, but are not limited to: (1) Excavate soil around tank and, after all exterior painting has been completed and cured, backfill and install drain as designed in the Drawings Section. (2) Replace all existing ladders with AWWA ladder per Detail in Drawings Section. Ladder shall be in accordance with AWWA D100 requirements (3) Remove existing safety climb device and install new DBI-SALA cable safety climb device to exterior ladder. (4) Provide and install new OSHA compliant 36” diameter roll cage around the exterior ladder, running from 8’ above grade to the top of the ladder. Install 38” diameter lockable gate on bottom of exterior ladder cage. (5) Provide and install new handrail from top hatch to top vent. Approximately 40’ run of handrail. Handrail to be field located by Engineer’s Field Representative. Handrails to be as designed in Drawings section and rolled to curvature of roof. (6) Provide and install 6’ of new handrail as shown in Drawings section on each side of ladder at roof. Ladder handrails shall be tied into roof handrails with 45-degree sections and rolled to circumference of roof. (7) Provide and install new orange and white variegated windsock as provided by Aerosock, and associated mounting hardware. Windsock shall be 18” x 48” and installed on one of roof handrail antennae mounts as directed by Engineer’s Field Representative. Submit catalog cut for approval.