Solid Radwaste

Question 1

[SR]

4 subsystems?

Answer 1

-Spent Resin Transfer
-Wet Waste Processing
-Dry Waste Disposal
-Filter Handling & Disposal

Question 2

2 Solid waste waste management buildings?

Answer 2

DAWPS -Dry Active Waste Processing & Storage
-Low Level Radioactive Material Storage Facility

Question 3

DAWPS - Dry Active Processing & Storage facility function?

Answer 3

-centralized location to handle,process,package,& store of radioactive trash

Question 4

Low Level Radioactive Material Storage Facility provide ?

Answer 4

Provides interm storage capacity for radioactive material prior to reuse,shipment for processing or disposal, or transfer to other licensees

Question 5

[SR]

Where does [SR] receive Ion Exchanger Resin from ?

Answer 5

-LR system
-Chemical & Volume Control system
-Fuel Pool Cleanup

Question 6

[SR]

How is Spent Resin Processed ?

Answer 6

Spent Resin is sluiced to a liner or High Integrity Container(HIC), then dewatered & dried with Resin Drying system

Question 7

[SR]

What system do the Local Control panels for SR provide centralized control of equipment in SR system ?

Answer 7

-Radwaste Control Room Instrument Cabinet
-Solidification panel

Question 8

[SR]

What remote operated equipment can be control from SR Control Panel ?

Answer 8

-Resin Trasnfer/ Dewatering pump
-RMW for resin transfers & system flushing

Question 9

What happens in Main Control Room if there is an alarm inside the Radwaste Control Room ? What is the time delay for the trouble alarm ?

Answer 9

-There will be a trouble alarm in the Main Control room
-If alarm in Radwaste Control Room is acknowledged in 5mins, then no trouble alarm in Main Control Room

Question 10

What’re the Spent Resin Tanks used for ?

Answer 10

1 High Activity & 1 Low Activity are provided to holdup spent resin for decay prior to Wet Waste processing

Question 11

[SR]

What kind of resin does the High Activity Spent Resin Tank have ? What Ion Exchangers does it normally receive spent resin from ?

Answer 11

-Receives any resin that exceeds 500mr/hr
Spent Resin:
-CH Ion Exchangers
-PC Cleanup Ion Exchangers

Question 12

[SR]

Where does the Low Activity Spent Resin Tanks normal receive spent resin from ?

Answer 12

Receivers Spent resin from:
-LR Adsorption Bed & Mixed Bed Demineralizes

Question 13

[SR]

How is resin removal accomplished ? What is backup to fluidize spent resin tank beds ?

Answer 13

-Line inside a line which provides sluice water & sluices it out
-Air & Nitrogen are backup methods for Fluidizing

Question 14

[SR]

What is the Spent Resin Transfer/Dewatering Pump used for ?

Answer 14

-Used to transfer resin from Aux.Building & Radwaste Building Ion Exchangers to Spent Resin Tanks
-Transfers contents Spent Resin Tanks to Resin Drying system

Question 15

What is the Resin/Dewatering Pump powered from ?

Answer 15

Powered from NH

Question 16

What supplies seal water to Resin Transfer/Dewatering pump?

Answer 16

RWT - Reactor Makeup Water

Question 17

What cautions are there with spent resin?

Answer 17

-exothermic reactions
in waste container during drying of spent resin

Question 18

In event of Exothermic reaction what should you do ?

Answer 18

Flood the container with water using the same waste transfer hose so you don’t have to disconnect the hose until process is complete

Question 19

What is the Radioactive Filter Transfer Cask used for?

Answer 19

Used to shield highly radioactive filters from filter vault to disposable container

Question 20

How many inches of lead is placed between two shells ?

Answer 20

8inches of lead is provided for shielding between two shells

Question 21

What’re the disposable containers ?

Answer 21

-Carbon Steel Drums
-Highly Integrity Containers
-Liners

Question 22

What is Dry Active Waste compose of ?

Answer 22

-Rags
-Paper
-Plastic
-Rubber
-Wood
-Glass
-Concrete
-Metal

Question 23

What is the three compartments the DAWPS facility broken up into ?

Answer 23

-Storage Area
-Processing Area
-Offices & change area