attachment_2_RFB DNCR OPS-2517.pdf

This is an engineering drawing for the Horse Island Water Treatment Shed Upgrades Sequence of the Work and Outline Specifications project, showing detailed floor plans and elevations for a water treatment facility. The document contains 18 numbered work items including scheduled work periods, equipment installation and removal procedures, well housing modifications, plumbing and piping for water treatment systems, membrane installation, electrical work, insulation, flooring, and lighting upgrades. The specifications detail tasks such as installing new drain lines, concrete slab work, perimeter board installation, electrical heater and lighting fixture installation, and water treatment tank reconnection work.

The drawing shows technical details for pump station configurations at both upper and lower levels, including existing conditions and proposed modifications. The work involves complex coordination of utility systems including water meters, discharge piping, bypass valve locations, and treatment system components. The project appears to be a comprehensive upgrade of an existing water treatment facility requiring careful sequencing of work activities to maintain operational continuity during construction phases.