TE_5.2-022_-_Shielding_Subsystem_Checklist_For_Existing_Facilities.docx

Contract No: TECHNICAL EXHIBIT 5.1-022

SHIELDING SUBSYSTEM CHECKLIST FOR EXISTING FACILITIES

For use of this form, see TM 5-690; the proponent agency is COE.

3. LOCATION

4. INSPECTOR

5. VISUALLY INSPECT THE EXISTING SHIELD NETWORK FOR PROPER GROUNDING AND SIGNS OF DAMAGE, CORROSION, AND LOOSENESS

LOCATION

DEFICIENCIES

6. CHECK SHIELDING ON ALL DOORS, WINDOWS, VENTILATION PORTS, VISUAL ACCESS OPEININGS, AND WALLS FOR

PROPER INSTALLATION AND BONDING

DEFICIENCIES

7. CHECK ALL UTILITY LINES, ELECTRICAL CONDUCTORS, AND DATA CABLES FOR PROPER BONDING AND SHIELDING

a. UTILITY LINES, ELECTRICAL CONDUCTORS, AND DATA CABLES ARE PROPERLY BONDED TO THE SHIELD AT THE POINT OF ENTRANCE

b. ALL ELECTRICAL GROUNDED AND GROUNDING CONDUCTORS ARE IN THE SAME CONDUIT AS PHASE CONDUCTORS

c. ALL ELECTRICAL FILTERS AND CONDUCTORS ARE PROPERLY ENCLOSED INSIDE METAL (STEEL) CASES/CONDUITS

d. ALL METAL OBJECTS/CASES/CONDUITS ARE PROPERLY BONDED TO GROUND

e. DATA CABLES ARE PROPERLY BONDED TO THE SIGNAL GROUND FEFERENCE SYSTEM

8. MEASURE STRAY CURRENTS ON THE GROUND CIRCUITS

GROUND CIRCUITS

CURRENT MEASUREMENTS

9. MEASURE THE BOND RESISTANCES

BOND CIRCUIT

RESISTANCES

DA FORM 7452-9-R, FEB 2002 USAPA V1.00