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SCOPE OF SERVICES CITY OFSANTAANA SANTA ANA BOULEVARD GRADE SEPARATION MARK THOMAS • Storm Water Pump Station including civil, • Storm Water Tank Site Plan (1) mechanical, electrical, control and . Storm Water Tank Grading Plan (1) instrumentation and • Yard Piping Stormwater Pump Station Plan • structural (1) • Separate electrical building • Yard Piping Stormwater Storage Tank Plan • Below grade storage (1) • Flow Control Discharge Valve Vault . Plan and Profile (4) • Connection to existing City storm drain • Civil Details (3) facility • Mechanical Pump Station Plan (1) At time or proposal we envision the following • Mechanical Pump Station Sections (1) process: • Mechanical Stormwater Discharge Control • Mark Thomas Company will provide a Vault Plan (1) • Mechanical Stormwater Discharge Control single point of connection for the storm Vault Sections (1) water conveyance within Santa Ana Boulevard to a location near the storm • Mechanical Details (3) water pump station. The pump station will • Structural General Notes (1) include integral trash screens, a sediment • Structural Design Criteria (1) pit, weir wall and adjacent wet well for • Structural Special Inspections and submersible pumps. The storm water Observations (1) pumps are assumed to be driven by • Structural Pump Station Foundation Plan variable frequency drives. (1) • The storm water pump station will convey • Structural Pump Station Intermediate Floor storm water to an underground retention Plan (1) structure • Structural Pump Station Roof Plan (1) • The underground retention structure is • Structural Pump Station Sections (3) assumed to be either a cast-in-place • Structural Valve Vault Foundation Plan (1) concrete underground storage tank or • Structural Valve Vault Roof Plan (1) multiple HDPE cylindrical storage tanks • Structural Valve Vault Section (1) • A flow control vault with a motor operated • Structural Pump Station and Valve Vault modulating plug valve to control the Details (6) downstream water elevation into the City's • Structural Electrical/Control Building existing system. Foundation Plan (1) Our scope of work includes preparing civil, • Structural Electrical/Control Building Roof mechanical, structural, and electrical and controls Plan (1) and process and instrumentation construction • Structural Electrical/Control Building drawings for a stormwater pump station and Sections (1) retention design. • Structural Electrical/Control Building Elevations (2) Design Plans for the pump station and retention . Structural Electrical/Control Building Details design are expected to include the following (3) sheets: Structural Stormwater Water Tank • General Notes, Abbrev and Const Notes Foundation Plan (1) (1) • Structural Stormwater Water Tank Roof • Horizontal Control Plan (2) Plan (1) • Overall Site Plan (1) • Structural Stormwater Water Tank • Storm Water Pump Station Site Plan (1) Elevations (2) • Storm Water Pump Station Grading Plan • Structural Stormwater Water Tank Details {1) (4)