Post on 18-Dec-2021
transcript
SEDIMENT
SAMPLE TAP
TOTALIZINGNON-RESETTABLEFLOW METER
CONSTRUCTIONDEWATERINGWASTEWATER
SEDIMENTFM
Circular Sedimentation (Settling) Tank - Batch DischargesPumped Discharges - Step 1 - Tank Filling
Scale: NTS
ROPE OR CHAINTO SUSPEND PUMP
HOSE OR FLEXIBLE PIPING MATERIAL
LOCAL SANITARYSEWER
Sewer clean-out or manhole discharge location as approvedby local sewer agency.
1512_5135m_2-ACircularSedTank-Pumped_Stp1-tankFilling.ai
Submersible pump to remain outside oftank when �lling.
Lower decant valve to remain closed at all times.
Only to be used for �nal clean rinse of tank prior to return to
rental company.
NOTE: All sediments need to be properly removed and
shipped o�site.
START STOP
1211
109
8
7 65
43
2
1 11
109
8
7 65
43
12
2
1
SEDIMENTSEDIMENT
Circular Sedimentation (Settling) Tank - Batch DischargesPumped Discharges - Step 2 - Quiescent (Undisturbed) Settling
Scale: NTS
LOCAL SANITARYSEWER
One hour(60 minutes) of quiescent(undisturbed) settling
CLARIFIED (SETTLED) CONSTRUCTIONDEWATERING WASTEWATER
SAMPLE TAP
TOTALIZINGNON-RESETTABLEFLOW METER
FM
ROPE OR CHAINTO SUSPEND PUMP
HOSE OR FLEXIBLE PIPING MATERIAL
LOCAL SANITARYSEWER
Sewer clean-out or manhole discharge location as approvedby local sewer agency.
Submersible pump to remain outside oftank when �lling.
Check sediment level (sticks or PVC pipe segments work well).
Lower decant valve to remain closed at all times.
Only to be used for �nal clean rinse of tank prior to return to
rental company.
NOTE: All sediments need to be properly removed and
shipped o�site.
1512_5135m_2-BCircularSedTank-Pumped_Stp2-Quiescent.ai
SEDIMENTSEDIMENT
Scale: NTS
LOCAL SANITARYSEWER
SAMPLE TAP
TOTALIZINGNON-RESETTABLEFLOW METER
FM
ROPE OR CHAINTO SUSPEND PUMP
HOSE OR FLEXIBLE PIPING MATERIAL
LOCAL SANITARYSEWER
Sewer clean-out or manhole discharge location as approvedby local sewer agency.
CLARIFIED (SETTLED)CONSTRUCTION
DEWATERING WASTEWATER
STARTING WASTEWATER ELEVATION
Minimum one-foot (1’)elevation of pump intake
above sediment
Circular Sedimentation (Settling) Tank - Batch DischargesPumped Discharges - Step 3 - Pumped Discharge of
Clari�ed Wastewater
Lower decant valve to remain closed at all times.
Only to be used for �nal clean rinse of tank prior to return to
rental company.
NOTE: All sediments need to be properly removed and
shipped o�site.
1512_5135m_2-CCircularSedTank-Pumped_Stp3-Discharge.ai