1321 - Office of Legacy Management - U.S. Department of Energy

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FDF Subcontract No . 98SC000001
IT Project No . 77348 1
Table of Contents (Continued)
3.0
2.9
Description of operation & Process
Issue Date: 2/13/98 Rev . B
2.8.2.8 Dryer Enclosure Collection Sump ........................ 20
2.8.2.9 Material Handling Building Collection Tank ............... 20
2.8.2.10 Truck Turnaround Area Collection Sump .................. 20
2.8.2.1 1 Truck Wash Collection Sump ........................... 21
2.8.2.12 Decontamination Pad Wastewater ........................ 21
2.8.2.13 Contact Storm Water Collected at the WTS ................ 21
2.8.3 Noncontact Storm Water Outside the Pit Area ...................... 21
2.8.4 Contact Storm Water and Excavation Water from the Waste Pit Area .... 22
2.8.4.1 Contact Storm Water from Waste Pit 6 .................... 23
2.8.4.2 Contact Storm Water fkom Waste Pit 5 .................... 24
2.8.4.3 Excavation Water ..................................... 24
2.8.4.4 Contact Storm Water fiom Haul Roads in the Waste Pit Area . . 25
2.8.5
2.8.4.5 Contact Storm Water in the Clearwell and Surrounding Areas . . 25
Noncontact Storm Water Inside the Pit Area ....................... 26
2.8.5.1 Noncontact Storm Water from Waste Pits 1,2, and 3 ......... 26
2.8.5.2
2.8.5.3
Noncontact Storm Water fiom Waste Pit 4 ................. 26
Noncontact Storm Water from Areas Bordering the Waste Pits . 27
Water Treatment System (PFD M-65- 10-00 1) ............................ 27
2.9.1 Solids Setting and Equalization .................................. 27
2.9.2 Initial pH Adjustment ......................................... 28
2.9.3 Clarification ................................................. 28
2.9.4 Sand Filtration ............................................... 29
2.9.5 Ion Exchange ................................................ 29
2.9.6 Final pH Adjustment .......................................... 29
2.9.7 Effluent DischargeRecycle ..................................... 29
PROCESS CONTROL PHILOSOPHY ...................................... 30
3.1 Waste Removal, Blending, and Preparation .............................. 30
3.2 Dryer Feed System (PFD D- 10- 1 0-00 1) .................................. 31
3.3
3.2.1 Operations .................................................. 31
3.2.2 Instrumentation and Controls ................................... 32
Thermal Dryer Operation (PFD D-20-10-001) ............................ 33
3.3.1 Operations .................................................. 33
3.3.2 Instrumentation and Controls ................................... 34
KN/3957MrpIuP/Eun.W2-22-98( 1O:O 1 atnyDIINE iii