stormwater clarifi er box #diybmp project build ... · 2" pvc adapter (mpt x slip) 1 home...
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www.watertectonics.com
Stormwater Clarifi er BoxProject Build Instructions
#DIYBMPDo-It-Yourself : Best Management Practice
TARGET CONTAMINANTS Total Suspended Solids
ESTIMATED FLOW75gpm
ACTIONSeparates bulk solids that sink or fl oat
PROJECT ESTIMATE$30
Downspout
IBCDrain
Skim drain
COMPONENT QTY SOURCE PURPOSE
275 gal IBC tote 1 Local reclaim Tank
Banjo 2" bulkhead 1 Amazon.com Skim Drain
2" PVC adapter (MPT x slip) 1 Home Depot Skim Drain
2" PVC stub (6") 3 Home Depot Skim Drain
2" PVC Tee 1 Home Depot Skim Drain
PARTS
A
C
D
E
B
A
B
C
D
E
STEP 1:Drill hole for the skim drain bulkhead approximately 6” from top of tank at the center of wall opposite from IBC drain valve. See
STEP 2:Drill or cut hole on top of tank as appropriate to receive stormwater from site downspout, diverter, or pump. See
STEP 3:Install skim drain bulkhead. See
STEP 4:Install skim drain PVC assembly. See
STEP 5:Install discharge plumbing as desired. See
PROCEDURE
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Stormwater Active Filter BoxProject Build Instructions
#DIYBMPDo-It-Yourself : Best Management Practice
TARGET CONTAMINANTS Total Suspended SolidsHeavy Metals (Zn, Cu, Al, Fe)Nutrients (COD, BOD)
ESTIMATED FLOW75gpm
ACTIONFilters suspended solids and actively adsorbs heavy metals and nutrients
PROJECT ESTIMATE$900
Downspout
UnderdrainIBCDrain
Splash DampenerPea Gravel
Active Media
Pool Filter Sand
Pea Gravel
Drain Rock
COMPONENT QTY SOURCE PURPOSE
275 gal IBC tote 1 Local reclaim Tank
Banjo 2" bulkhead 1 Amazon.com Underdrain
2" PVC adapter (MPT x slip) 1 Home Depot Underdrain
2" PVC stub (3") 5 Home Depot Underdrain
2" PVC Tee 3 Home Depot Underdrain
2" PVC Elbow 90 2 Home Depot Underdrain
2" PVC perforated underdrain (30”) 4 Home Depot Underdrain
2" PVC Cap 4 Home Depot Underdrain
4’ x 4’ section weed barrier fabric 5 Home Depot Media Layer separators
PARTS
A
B
C
D
STEP 1:Drill hole for the underdrain bulkhead approximately 3” from bottom of tank at the center of wall opposite from IBC drain valve.
STEP 2:Cut hole on top of tank as appropriate to receive stormwater from site downspout, diverter, pump, or clarifier pretreatment stacked on top of filter box.
STEP 3:Install underdrain manifold. See A
STEP 4:Install underdrain perforated PVC pipes. See B
STEP 5:Install discharge plumbing as desired. See C
STEP 6:Install media, separating each type with a section of weed barrier fabric. See D
PROCEDURE
MEDIA QTY SOURCE PURPOSE
Drain Rock 0.5 cu. ft. bag
16 Home Depot Drainage support (8" layer)
Pea gravel 0.5 cu. ft. bag
20 Home Depot Solids separation to 300um (2 x 5" layers)
Pool Filter Sand 50lb bag
24 Local Pool Supply Solids separation to 30um (12" layer)
Active Media: Zeolite Granules 40 lb bag
24 HomeDepot.com Adsorption of metals & nutrients (25” layer)
MEDIA PURPOSE SOURCE RECHARGEABLE
Zeolite Adsorption – metals, nutrients HomeDepot.com Yes *
Bio-Char Adsorption – metals, nutrients Online No
Oyster Shells Metals precipitation via pH change Online No
Compost Absorption – metals, nutrients Local No
Peat Absorption – metals, nutrients Local No
MEDIA RECOMMENDATION
ACTIVE MEDIA ALTERNATIVES
* Soak used Zeolite in 5% salt solution for 24 hours. Dispose of solution in sanitary drain, rinse media with clean water. 5% salt solution = approximately 5 lbs. water softener salt in 10 gals freshwater.
www.watertectonics.com
Stormwater Filter TowerProject Build Instructions
#DIYBMPDo-It-Yourself : Best Management Practice
TARGET CONTAMINANTS Total Suspended SolidsHeavy Metals (Zn, Cu, Al, Fe)Nutrients (COD, BOD)
ESTIMATED FLOW75gpm
ACTIONRemoves bulk solids prior to fi ltering suspended solids and actively adsorbing heavy metals and nutrients
PROJECT ESTIMATE$12 (to connect previously built Clarifi er Box and Filter Box)
UnderdrainIBCDrain
IBCDrain
Splash DampenerPea Gravel
Active Media
Pool Filter Sand
Pea Gravel
Drain Rock
Downspout
Skim drain
ClarifierBox
FilterBox
COMPONENT QTY SOURCE PURPOSE
2" PVC adapter (MPT x slip) 1 Home Depot Skim Drain connection
2" PVC stub (3") 1 Home Depot Tower Drain
2" PVC drop tube (34") 1 Home Depot Tower Drain
2" PVC Elbow 90 2 Home Depot Tower Drain
2" PVC stub (6") 1 Home Depot Tower Drain
2" PVC Tee 1 Home Depot Drain discharge splitter
PARTS
A B
A
B
STEP 1:Stack DIY:BMP Clarifier Box on top of Filter Box. See
STEP 2:Connect clarifier skim drain to PVC tower drain assembly. See
PROCEDURE