Work is to build Package 2 of 2 of a 250-mgd lake pump station on the shore of Cedar Creek Lake. Package 1 included the intake channel in Cedar Creek Lake, cast-in place concrete wetwell, cast-in-place concrete wing walls, bulkhead gates, solid panels, drilled shafts, seven 9 ½ ft-diameter drilled shafts with permanent steel can liners for future pump intake liners, crushed rock access road, and site work. The Work is described in general, non-inclusive terms as:
- Civil work including: yard piping, including 108-inch steel pipeline, 108-inch and 114-inch steel discharge header (including drilled shafts), cathodic protection, septic system, fire protection, water supply wells, potable well water piping, sanitary sewer, manholes, drains, debris boom and salvinia curtain. Site work including grading (removal of surcharge mound), access roads, concrete paving, concrete ribbon curb, asphalt (chip seal) paving, drainage culverts, fence, motorized access gate.
- Drilled shafts, foundations, steel super-structures, cast-in-place concrete structure for pumps and motors, roof framing for Pump Station Building, Electrical Building, Chemical Facilities, Water Treatment Building, and Water Quality Analysis Station. 20-ton bridge crane, monorails with hoists.
- 108-inch Gate Valve Vault.
- Pump Station Building, Electrical Building, Chemical Building, Water Treatment Building, and Water Quality Analysis Station including pre-cast concrete wall panels, concrete unit masonry (CMU) block, insulation, acoustic treatment, doors, windows, roofs, and interior office spaces.
- Install and test the following Owner-furnished equipment: seven vertical turbine pumps, each with 3500-hp motors and medium-voltage variable-frequency drives (VFDs) and vibration monitoring system; one 108-inch gate valve (some installation by valve supplier).
- Process Mechanical Piping including cast iron, ductile iron, stainless steel, copper, thermoplastic, and heat trace with insulation.
- Process Mechanical Valves including gate, globe, check, plug, butterfly, plug, ball, air vacuum/air release, 36-inch pump control resilient seat ball valves, and self regulating control.
- Process Mechanical Equipment including electric-motorized actuators, submersible sump pumps, strainers, potable water supply pumps, hydropneumatics tank, oil/water separator, hypo transfer pumps, metering pumps with VFDs, and brine pumps; chillers and heat exchangers; blowers; water softeners.
- Glycol chiller system for cooling the vertical turbine pump motors.
- Raw water tee-screens with brush cleaning.
- Thirty-six-inch steel pump discharge header (and 20-inch for bypass), isolation butterfly valves, and Venturi meters, and steel pipe header (108- and 114-inch).
- Chemical treatment facilities including: sodium hypochlorite generation equipment; fiberglass tanks for sodium hydroxide with heat tracing, on-site generated sodium hypochlorite, bulk sodium hypochlorite, brine, liquid ammonium sulfate, and water.
- Package water treatment system of 75,000 gal/day capacity for the on-site sodium hypochlorite generation system.
- Water quality analysis sampling stations for lake water and raw water discharge.
- Plumbing including drains and piping, hot water heaters and tepid water circulating pump, lavatory fixtures, safety showers/eyewashes, and sump pumps, service air system.
- HVAC systems for the buildings including direct-expansion (DX) cooling air handling units, wall-mount air conditioners, electric unit heaters, power ventilators, ductwork, and vibration isolation equipment.
- Electrical power including 4160-volt switchgear, installing Owner-furnished VFDs, duct banks, transformers, cable trays, conduit, motor control centers (MCCs), panelboards, protective relays, fault study, lighting, lightning protection system, grounding system, backup motor generator (propane), CCTV security system raceway cabling and enclosures, coordination with substation by others.
- Process Instrumentation and Controls for all the above and uninterruptible power system (UPS), Cat6 and fiber optic data cabling, fire alarm detection.
