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