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TITLE |
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DOCUMENT ID |
6160
Appendix T1: Lists
of Permit-Required Confined Space Locations |
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At Jefferson Lab a Confined Space Entry (CSE) Permit is considered to be a Work Control Document and thus a Standard Protecting Measure. Only when all hazard issues associated with the PRCS and the work activity are acknowledged and mitigated, in accordance with this program, can the area’s associated Risk Code be considered < 2. At a minimum, all work requiring entry into a PRCS is discussed with the entry supervisor prior to commencement. A formal Task Hazard Analysis and Operational Safety Procedure is required for work considered to be Risk Code >2 in accordance with ES&H Manual Chapter 3210 Work Planning, Control, and Authorization Process. |
1.0
Purpose
This appendix provides current lists of TJNAFs identified Permit-Required Confined Spaces (PRCS’).
2.0 Scope
TJNAFs Facility Design and
Modification Review process, outlined within ES&H Manual Chapter 3110 Facility Design and
Modification Review, provides initial identification of Permit-Required Confined Spaces (PRCS). This appendix does not guarantee that all PRCSs are listed. See ES&H Manual Chapter 6160 Appendix T2 Identification and Classification
of PRCS if you
have a question regarding space determination.
Jefferson Lab defines a “PRCS” to be any area that meets all of the following criteria:
· Sufficient space for a person to enter and perform work;
· Limited/restricted means for entering/exiting;
· Not designed for continuous occupancy.
AND one or more of the following:
· Contains, or has the potential to contain, a hazardous atmosphere;
· Contains a material with the potential for engulfing a person or hindering quick escape;
· Internal configuration can trap a person or lead to asphyxiation;
· Entails a safety or health risk that has been determined to be >2 and requires a formal Task Hazard Analysis and associated work control document.
The process steps for this procedure are performed in coordination with ES&H Manual Chapter 6160 Confined Space Program.
3.0 Responsibilities
Note: Management authority may be delegated to a
task-qualified TJNAF employee at the discretion of the responsible manager.
3.1 Entry Supervisors, Technical Representatives, (TR) and Sponsors
Know the PRCSs under your authority.
Ensure they are appropriately identified and secured.
Maintain the list of identified PRCSs , including historical documentation (i.e: closed permits and any observations or changes).
4.0
Locations
5.0
Lists of PRCS’ by Designation
Each PRCS is assigned a unique alphanumeric designation. The assignment is based on the PRCS’ determined category and the next consecutive number.
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Table 1: Building PRCS’ (B#-#) |
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Space Designation |
Nearest Permanent
Building/Location |
Type of Space |
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B4-1 |
Exit Stair #4 |
Sump Pit |
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B7-1 |
Exit Stair #1 |
Sump Pit |
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B8-1 |
CHL1 |
Cold Box Pit |
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B8-2 |
CHL1 |
Cold Box Vessel |
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B8-3 |
CHL1 |
Cold Box Horizontal
Chamber |
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B8-4 |
CHL1 |
Compressor Room Pit |
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B8-5 |
CHL2 |
Upper Cold Box |
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B8-6 |
CHL2 |
Lower Cold Box |
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B8-7 |
CHL2 |
Auxiliary Cold Box |
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B8-7 |
CHL2 |
SC2 |
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B8-7 |
CHL2 |
Compressor Room Pit |
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B37-1 |
Exit Stair #2 |
Sump Pit |
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B38-1 |
South Access |
Sump Pit (east) |
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B38-2 |
South Access |
Sump Pit (west) |
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B38-3 |
South Access |
LCW Trench |
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B38-4 |
South Access |
Staircase Sump Pit |
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B42-1 |
Exit Stair #6 |
Sump Pit |
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B58-1 |
Test Lab |
Cooling Basin Underground
Tank |
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B58-3 |
Test Lab |
Shield Block Motor Space |
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B58-4 |
Test Lab |
Shaft under Grating in VTA |
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B58-5 |
Test Lab |
VTA Dewar 1 |
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B58-6 |
Test Lab |
VTA Dewar 2 |
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B58-7 |
Test Lab |
VTA Dewar 3 |
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B58-8 |
Test Lab |
VTA Dewar 4 |
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B58-9 |
Test Lab |
VTA Dewar 5 |
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B58-10 |
Test Lab |
VTA Dewar 6 |
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B58-10 |
Test Lab |
VTA Dewar 7 |
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B58-11 |
Test Lab |
VTA Dewar 8 |
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B58-12 |
Test Lab |
AWN Vault |
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B61-1 |
Exit Stair #3 |
Sump Pit |
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B67-1 |
North Access |
Sump Pit (east) |
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B67-2 |
North Access |
Sump Pit (west) |
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B67-3 |
North Access |
LCW Trench |
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B67-4 |
North Access |
Staircase Sump Pit |
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B67-5 |
North Access |
Waste Water Tank (west) |
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B70-1 |
Exit Stair #5 |
Sump Pit |
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B85-1 |
Accelerator Tunnel |
Beam Dump |
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B91-1 |
Cooling Building, Hall A |
Sump Pit |
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B91-2 |
Cooling Building, Hall A |
Entire Building |
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B92-1 |
Service Building #1 |
North Piping Pit |
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B92-2 |
Service Building #1 |
South Piping Pit |
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B92-3 |
Service Building #1 |
East Piping Pit |
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B95-1 |
Cooling Building, Hall C |
Sump Pit |
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B96-1 |
Hall C |
Beam Dump |
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B96-2 |
Hall C |
High Momentum Spectrometer
Carriage |
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B96-3 |
Hall C |
Super High Momentum
Spectrometer Carriage |
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B99-1 |
Exit Stairs-BSY |
Sump Pit |
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B101-1 |
Hall A |
Beam Dump |
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B101-2 |
Hall A |
Spectrometer Carriage 1 |
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B101-3 |
Hall A |
Spectrometer Carriage 2 |
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B102-1 |
End Station Refrigerator |
Cold Box Pit |
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B104-1 |
End Station Refrigerator 2
(ESR2) |
Cold Box Pit |
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Space Designation |
Nearest Permanent
Building/Location |
Type of Space |
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EMHC1 |
28 |
Utility
Manhole/Vault |
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EMHC2 |
19 |
Utility
Manhole/Vault |
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EMHC3 |
12 |
Utility
Manhole/Vault |
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EMHC4 |
on Jefferson Ave near Onnes Rd intersection |
Utility
Manhole/Vault |
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EMHC5 |
90 |
Utility
Manhole/Vault |
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EMHC6 |
58 |
Utility
Manhole/Vault |
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EMHC7 |
58 |
Utility
Manhole/Vault |
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EMHC8 |
58 |
Utility
Manhole/Vault |
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EMHC9 |
53 |
Utility
Manhole/Vault |
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EMHC10 |
67 |
Utility
Manhole/Vault |
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EMHC11 |
85 |
Utility
Manhole/Vault |
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EMHC12 |
85 |
Utility
Manhole/Vault |
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EMHC13 |
7 |
Utility
Manhole/Vault |
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EMHC14 |
8 |
Utility
Manhole/Vault |
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EMHC15 |
40 |
Utility
Manhole/Vault |
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EMHC16 |
98 |
Utility
Manhole/Vault |
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EMHC17 |
18 |
Utility
Manhole/Vault |
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Space Designation |
Nearest Permanent
Building/Location |
Type of Space |
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EMH1 |
58 |
Utility
Manhole/Vault |
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EMH2 |
58 |
Utility
Manhole/Vault |
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EMH3 |
58 |
Utility
Manhole/Vault |
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EMH4 |
41 |
Utility
Manhole/Vault |
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EMH5 |
45 |
Utility
Manhole/Vault |
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EMH6 |
85 |
Utility
Manhole/Vault |
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EMH7 |
8 |
Utility
Manhole/Vault |
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EMH8 |
18 |
Utility
Manhole/Vault |
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EMH9 |
18 |
Utility
Manhole/Vault |
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EMH10 |
85 |
Utility
Manhole/Vault |
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EMH11 |
82 |
Utility
Manhole/Vault |
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EMH12 |
2 |
Utility
Manhole/Vault |
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EMH13 |
2 |
Utility
Manhole/Vault |
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EMH13C |
89 |
Utility
Manhole/Vault |
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EMH14 |
2 |
Utility
Manhole/Vault |
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EMH15 |
98 |
Utility
Manhole/Vault |
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EMH16 |
89 (Unverified) |
Utility
Manhole/Vault |
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Space
Designation |
Nearest Permanent Building/Location |
Type of Space |
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LS1 |
near Jefferson & Onnes |
Utility
Manhole/Vault |
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LS2 |
16 |
Utility
Manhole/Vault |
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LS3 |
6 |
Utility
Manhole/Vault |
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LS4 |
45 |
Utility
Manhole/Vault |
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LS5 |
58 |
Utility
Manhole/Vault |
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Space
Designation |
Nearest Permanent Building/Location |
Type of Space |
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LW1 |
58 |
Utility
Manhole/Vault |
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LW2 |
8 |
Utility
Manhole/Vault |
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Space
Designation |
Nearest Permanent Building/Locations |
Type of Space |
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MMH1 |
near Jefferson/Onnes |
Utility
Manhole/Vault |
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MMH2B |
40 |
Utility
Manhole/Vault |
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MMH3 |
90 |
Utility
Manhole/Vault |
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MMH3B |
101 |
Utility
Manhole/Vault |
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MMH4 |
57 |
Utility
Manhole/Vault |
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MMH4B |
101 |
Utility
Manhole/Vault |
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MMH5 |
54 |
Utility
Manhole/Vault |
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MMH5B |
93 |
Utility
Manhole/Vault |
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MMH6 |
53 |
Utility
Manhole/Vault |
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MMH6B |
92 |
Utility
Manhole/Vault |
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MMH7 |
53 |
Utility
Manhole/Vault |
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MMH7B |
97 |
Utility
Manhole/Vault |
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MMH8 |
45 |
Utility
Manhole/Vault |
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MMH8B |
97 |
Utility
Manhole/Vault |
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MMH9 |
85 |
Utility
Manhole/Vault |
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MMH9B |
98 |
Utility
Manhole/Vault |
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MMH10 |
85 |
Utility
Manhole/Vault |
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MMH11 |
67 |
Utility
Manhole/Vault |
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MMH12 |
70 |
Utility
Manhole/Vault |
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MMH13 |
70 |
Utility
Manhole/Vault |
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MMH14 |
70 |
Utility
Manhole/Vault |
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MMH15 |
85 |
Utility
Manhole/Vault |
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MMH16 |
87 |
Utility
Manhole/Vault |
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MMH17 |
89 |
Utility
Manhole/Vault |
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MMH18 |
8 |
Utility
Manhole/Vault |
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MMH19 |
89 |
Utility
Manhole/Vault |
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MMH20 |
1 |
Utility
Manhole/Vault |
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MMH21 |
14 |
Utility
Manhole/Vault |
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MMH22 |
14 |
Utility
Manhole/Vault |
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MMH23 |
2 |
Utility
Manhole/Vault |
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MMH24 |
4 |
Utility
Manhole/Vault |
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MMH25 |
37 |
Utility
Manhole/Vault |
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MMH26 |
21 |
Utility
Manhole/Vault |
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MMH27 |
37 |
Utility
Manhole/Vault |
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MMH30 |
38 |
Utility
Manhole/Vault |
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MMH30A |
18 |
Utility
Manhole/Vault |
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MMH30B |
18 |
Utility
Manhole/Vault |
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MMH30C |
18 (Unverified) |
Utility
Manhole/Vault |
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MMH30D |
18 (Unverified) |
Utility
Manhole/Vault |
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MMH31 |
38 |
Utility
Manhole/Vault |
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MMH32 |
38 |
Utility
Manhole/Vault |
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MMH33 |
18 |
Utility
Manhole/Vault |
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MMH34 |
53 |
Utility
Manhole/Vault |
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MMH35 |
53 |
Utility
Manhole/Vault |
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MMH36 |
39 |
Utility
Manhole/Vault |
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MMH37 |
63 |
Utility
Manhole/Vault |
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MMH38 |
38 |
Utility
Manhole/Vault |
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MMH39 |
2 |
Utility
Manhole/Vault |
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MMH40 |
2 |
Utility
Manhole/Vault |
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MMH41 |
56 |
Utility
Manhole/Vault |
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Table
7: Sanitary Sewer PRCS’ (SSMH#) |
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Space
Designation |
Nearest Permanent Building/Locations |
Type of Space |
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28 |
Utility
Manhole/Vault |
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SSMH1A |
ARC |
Utility
Manhole/Vault |
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SSMH1B |
SSC |
Utility
Manhole/Vault |
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SSMH1C |
19 |
Utility
Manhole/Vault |
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SSMH2 |
near Jefferson &
Hofstadter |
Utility
Manhole/Vault |
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SSMH3 |
near Jefferson Avenue |
Utility
Manhole/Vault |
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SSMH4 |
12 |
Utility
Manhole/Vault |
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SSMH5 |
near Jefferson Avenue |
Utility
Manhole/Vault |
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SSMH6 |
near Jefferson Avenue |
Utility
Manhole/Vault |
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SSMH7 |
58 |
Utility
Manhole/Vault |
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Space
Designation |
Nearest Permanent Building/Locations |
Type of Space |
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W1 |
near CEBAF Blvd. &
Canon Blvd. |
Utility
Manhole/Vault |
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W2 |
28 |
Utility
Manhole/Vault |
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W3 |
near Jefferson & Onnes |
Utility
Manhole/Vault |
6.0
Designations
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Type of Space |
Designator |
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Buildings |
B – followed by the
building number, hyphen, and then consecutive numbers starting with 1 |
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Communications
Manholes |
EMHC – followed
by consecutive numbers starting with 1 |
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Electrical
Power Manholes |
EMH – followed
by consecutive numbers starting with 1 |
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Lift Station-Sanitary
Sewer |
LS – followed
by consecutive numbers starting with 1 |
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Lift Station-Storm
Water |
LW – followed
by consecutive numbers starting with 1 |
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Mechanical
Manholes |
MMH – followed
by consecutive numbers starting with 1 |
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Sanitary
Sewer Manholes |
SSMH – followed
by consecutive numbers starting with 1 |
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Water
Meter Vault |
W – followed
by consecutive numbers starting with 1 |
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Other Kinds
of Vault |
V – followed
by consecutive numbers starting with 1 |
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Unverified
means precise location or hazard potential has not been fully verified by
Laboratory ES&H staff. |
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7.0
Revision History
|
summary |
date |
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1.3 |
periodic 3-year review, no changes per TPOC ES&H Manual Editor: updated 3.0 Note;
general format updates; change to table format of Revision History; updated
header and footers; changed ESH&Q to ES&H and SOTR to TR |
03.04.2023 |
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periodic review;
no changes per TPOC |
10.14.2019 |
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1.2 |
periodic review; formerly titled
‘List of Permit-Required Confined Spaces’; updated table listing of PRCs;
updated TPOC from R.Owen
to J.Williams |
10.14.2016 |
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1.1 |
update TPOC from JKelly
to RPwen per MLogue |
05.13.2014 |
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1.0 |
periodic review;
update to reflect current laboratory operations |
06.20.2012 |
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0.0 |
updated to web version |
08.30.2006 |
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ISSUING
AUTHORITY |
TECHNICAL
POINT-OF-CONTACT |
APPROVAL
DATE |
REVIEW
DATE |
REVIEW
CYCLE |
rev |
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ES&H Division |
10.14.2016 |
03.04.2023 |
3 years |
1.3 |
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