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  Microsand Recirculation Pump Slab in Quad D
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  Microsand Recirculation Pump Slab in Quad D
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  Rerouted hub & floor drain location due to manufacturer pipe layout change
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  Exposed 48" Pipeline at the Contact Basin

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  Exposed 48" Pipeline at the Contact Basin
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  Concrete placement on the Quad D Microsand Recirculation Pump Area Slab
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  North Quad D foundation wall footer
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  36" TW pipes from the flow splitter boxes to the coagulation tanks

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  36" TW pipes from the flow splitter boxes to the coagulation tanks
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  42/48" RW Pipeline as it enters Quad D in the northwest corner
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  Overview of pipe laid to date in Quad D
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  View of construction from Quad A southwest corner

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  View of construction from Quad A southwest corner
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  42/48" RW Pipeline as it enters Quad D in the northwest corner
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  Quad D pipe encasements
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  Quad A backfill

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  Quad D pipe encasements
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  View of north wall in Quad C
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  View of north wall in Quad C
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  View of east wall in Quad C

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  View of SE wall in Quad C
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  View of SW filter wall in Quad C
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  Rubber liner pad installed to protect pipeline coating
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  Rubber liner pad installed to protect pipeline coating

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  Quad D construction
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  Quad D construction
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  North footer stub wall in Quad D
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  Crew cleaning rebar in north footer stub wall in Quad D

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  Pipe brackets and encasement rebar
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  Rubber liner pad installed to protect pipeline coating
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  30" RW Pipeline bends @ Sta 23+49 to have thrust block placed
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  East 1/2 of the north Quad C filter conveyance channel lower level slab

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  West 1/2 of the south Quad C filter conveyance channel lower level walls
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  Setting the 42" TW spool in Quad D
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  36" TW Pipeline lower 1/2 encasement
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  42/48" RW Pipeline lower 1/2 encasement

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  42" / 48" RW pipe at the NW corner of Quad B
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  Overview of site panning from east to west
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  Overview of site panning from east to west
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  Overview of site panning from east to west

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  Overview of site panning from east to west
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  Overview of site panning from east to west
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  Overview of site panning from east to west
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  Filter conveyance channel covered after concrete placement

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  24" BWS Pipe Spool for Quad C Filter Gallery delivered to site
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  42" TW joint in the encased portion of the pipe to the splitter structure
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  42" TW pipe between the southwest corner of Quad C and the splitter structure
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  Quad A backfill covered due to cold weather

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  North Quad D footer wall waterstop at Maturation Tank East wall area
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  Crews tightening the 42" TW bolts that will be encased