NuWater BNR 500 GPD, Installation & Owner'S Manual

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AEROBIC TREATMENT TANK DETAIL FOR
NuWATER BNR-500 TREATMENT UNIT
OPERATING CAPACITY: 417 GALLONS
FLOOD CAPACITY: 490 GALLONS OPERATING CAPACITY: 421 GALLONS
FLOOD CAPACITY: 494 GALLONS
STONE-FREE NATIVE SOIL
OR COMPACTED SAND
OVER STONY SOIL
160 GALLONS
FLOOD: 191 GAL.
INSTALLATION INSTRUCTIONS
1) Excavate tank hole with vertical walls to 1 foot larger than
tank on all sides.
2) If bottom of hole is stony, install 3" of compact sand & level
out with screed.
3) Install tank in center of hole, keeping 1 ft. void space on
all sides.
4) As tank is filling with water, fill in void space with compact
granular (sandy) soil free of large clumps of clay.
5) Install rest of system, & affix risers to adapters with
waterproof adhesive.
6) Perform watertightness test in field as required by local
jurisdiction.
7) Upon approval to backfill, carefully backfill with native
soils over top of tank.
8) Final grade the surface to avoid chanelling surface
water toward tank.
54"
24" BLOWER
HOUSING CAST
ON TOP OF LID
TRASH CHAMBER DIGESTER CLARIFIER
24" RISERS (TYP)
12" RISER
4'-8"
9'-2"
TOP VIEW
SIDE VIEW
1" PVC (TYP)
WATERTIGHT
RISERS (TYP)
58"
4"
3"
DIFFUSER BARS (2)
PARALEL TO TANK WALL
50"
36"
4"
12"
1/2" PVC
AIRLINE
SLUDGE RETURN
1" X 1/2"
TEE
1" PVC SLUDGE
RETURN LINE
12"
2" TEE
2" PVC
6"
65"
DIGESTER CHAMBER CLARIFIER
CHAMBER TRASH CHAMBER
1.5" TAPER
MASTIC
53"
9'-2"
36" MAX.
1" = 2.8 ft.
1" = 1.4 ft.
2" COUPLING
& REDUCER
DUAL PORT AERATOR
LID VENT (typ)