Visalia WCP Trickling Filter Upgrade Project

1994/1995

Visalia WCP Trickling Filter Upgrade Project

1994/1995

Trickling Filters, Pump Station and Trickling Filters, Pump Station and Flow Control Box ModificationsFlow Control Box Modifications

VISALIA TF UPGRADEVISALIA TF UPGRADE

Project Manager - David Stringfield P.E.Project Manager - David Stringfield P.E.

Design Engineer - Steve Beck P.E.Design Engineer - Steve Beck P.E.

Resident Engineer/Construction Manager - David WatsonResident Engineer/Construction Manager - David Watson

Project PhasesProject Phases

New Effluent Distribution SystemNew Effluent Distribution System Junction Box A RehabilitationJunction Box A Rehabilitation 54” Primary Effluent Pipeline Replacement54” Primary Effluent Pipeline Replacement Flow Metering Manhole ConstructionFlow Metering Manhole Construction Butterfly Valve Control Box RetrofitButterfly Valve Control Box Retrofit

Trickling Filter Pump Station RetrofitTrickling Filter Pump Station Retrofit Overhaul of 2 180’ Diameter Trickling Overhaul of 2 180’ Diameter Trickling

Filters Mechanism and StructureFilters Mechanism and Structure

Junction Box A RehabilitationJunction Box A Rehabilitation

Box Rehabilitation.Box Rehabilitation. Slide Gate ReplacementSlide Gate Replacement Wall Spool RenovationWall Spool Renovation

Junction Box A RehabilitationJunction Box A Rehabilitation

Wall spool replacement.Wall spool replacement.

New Stainless Steel Slide GatesInstallationNew Stainless Steel Slide GatesInstallation

Effluent PipelineEffluent Pipeline

Replace Effluent PipelineReplace Effluent Pipeline Construct New Manhole Meter StationConstruct New Manhole Meter Station Install New Butterfly ValveInstall New Butterfly Valve Construct New Wall Spool in TFPS Construct New Wall Spool in TFPS

Replace Primary Effluent PipelineReplace Primary Effluent Pipeline

Replace Primary Effluent PipelineReplace Primary Effluent Pipeline

Replace Effluent PipelineReplace Effluent Pipeline

Construct Metering Manhole StationConstruct Metering Manhole Station

Install New 48” Butterfly ValveInstall New 48” Butterfly Valve

Construct New Wall Spool TFPSConstruct New Wall Spool TFPS

Trickling Filter Pump StationTrickling Filter Pump Station

Structural RehabilitationStructural Rehabilitation Install New PipingInstall New Piping Install New Pumps and VFD UnitsInstall New Pumps and VFD Units Install New Stairway and GratingInstall New Stairway and Grating Install New St Stl Slide GatesInstall New St Stl Slide Gates

Trickling Filter RehabilitationTrickling Filter Rehabilitation

Demo Old Distributor StructuresDemo Old Distributor Structures Cut Filter WallsCut Filter Walls Add Rebar LayersAdd Rebar Layers Construct New Concrete WallsConstruct New Concrete Walls Install New Channel Piers and SlabsInstall New Channel Piers and Slabs Install New Underdrain BlockInstall New Underdrain Block Install New Plastic MediaInstall New Plastic Media Install New Distributors and VFD UnitsInstall New Distributors and VFD Units

Additional Construction ItemsAdditional Construction Items

Pave Plant SitePave Plant Site Install New Light FixturesInstall New Light Fixtures Install New Irrigation SystemInstall New Irrigation System Install New Electrical ComponentsInstall New Electrical Components