Repairs and Upgrades: Roof Ladder: The Contractor shall secure the existing roof ladder to the roof structure with welded standoffs. Weld on lock hasp to primary tank access door and install City provided lock. Interior Dry Ladder: The Contractor shall remove and dispose of the existing ladder cage system. Fall Protection: The Contractor shall install cable climb fall arrest systems to the interior dry and exterior ladders. Roof Vent: The Contractor shall replace the existing vent with a compliant fail-safe vent of equal size. Overflow: The Contractor shall extend the existing overflow pipe to 12-24” above ground level and fit with self-closing flapper gate with integral screen projecting away from the tank. City to install a concrete splash pad. Spider Rods & Roof Openings: The Contractor shall remove and dispose of the existing spider rods inside the tank. The perimeter gap between the tank shell and roof shall be seal welded, along with all spider rod openings and any other openings in the roof structure shall be seal welded to make the tank watertight. Tank Mixing System: Contractor shall furnish and install an IXOM GridBee GS-9 Tank Mixing System or an approved equal, subject to review and acceptance by the City of Great Bend. The mixing system shall include the following minimum requirements: Integrated SCADA-ready control panel housed in a NEMA 4–rated enclosure. Dry-contact outputs for both alarm and run-status signals to allow integration into the City’s existing SCADA environment. All associated mechanical installation, anchoring, and commissioning of the mixing system shall be included in the Contractor’s scope. Note: All electrical work, including power supply routing, conduit, terminations, and Cellular monitoring system integration/programming, wiring, will be completed outside of this RFP by others. Balcony Guardrail: The Contractor shall add 6” to the balcony guardrail and a 4” toe-kick to comply with current applicable standards...
