DA Form 7452-8-R Signal Ground Reference Subsystem Checklist for Existing Facilities (Lra)

DA Form 7452-8-R - also known as the "Signal Ground Reference Subsystem Checklist For Existing Facilities (lra)" - is a Military form issued and used by the United States Department of the Army.

The form - often mistakenly referred to as the DD form 7452-8-R - was last revised on February 1, 2002. Download an up-to-date fillable PDF version of the DA 7452-8-R below or request a copy through the chain of command.

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SIGNAL GROUND REFERENCE SUBSYSTEM CHECKLIST FOR EXISTING FACILITIES
For use of this form, see TM 5-690; the proponent agency is COE.
1. FACILITY
2. DATE (YYYYMMDD)
4. INSPECTOR
3. LOCATION
5. SKETCH THE LAYOUT OF THE EXISTING SIGNAL GROUND REFERENCE SUBSYSTEM OR ATTACH AN UP-TO-DATE ENGINEERING DRAWING
6. VISUALLY INSPECT THE EXISTING SIGNAL GROUND REFERENCE SUBSYSTEM FOR SIGNS OF DETERIORATION, BURNING, CORROSION,
OR DAMAGE. RECORD ALL DEFICIENCIES.
LOCATION
GROUND COMPONENTS
DEFICIENCIES
7. CHECK THE CONTINUITY OF THE GROUNDING CIRCUITS. CHECK ALL CONNECTORS, JOINTS, BONDS, AND FITTINGS FOR PROPER
INSTALLATION, CRACKS, AND TIGHTNESS. RECORD ALL DEFICIENCIES.
LOCATION
DEFICIENCIES
8. MEASURE THE RESISTANCE BETWEEN CONNECTORS, JOINTS, BONDS, AND FITTINGS USING DOUBLE BALANCED DC BRIDGE. RECORD
ALL MEASUREMENTS.
LOCATION
CONNECTIONS
RESISTANCE
9. MEASURE THE EARTH TO GROUND RESISTANCE OF THE SIGNAL GROUND REFERENCE SUBSYSTEM USING THE FALL OF POTENTIAL
METHOD. RECORD THE MEASUREMENT.
RESISTANCE
DA FORM 7452-8-R, FEB 2002
APD LC v1.00
SIGNAL GROUND REFERENCE SUBSYSTEM CHECKLIST FOR EXISTING FACILITIES
For use of this form, see TM 5-690; the proponent agency is COE.
1. FACILITY
2. DATE (YYYYMMDD)
4. INSPECTOR
3. LOCATION
5. SKETCH THE LAYOUT OF THE EXISTING SIGNAL GROUND REFERENCE SUBSYSTEM OR ATTACH AN UP-TO-DATE ENGINEERING DRAWING
6. VISUALLY INSPECT THE EXISTING SIGNAL GROUND REFERENCE SUBSYSTEM FOR SIGNS OF DETERIORATION, BURNING, CORROSION,
OR DAMAGE. RECORD ALL DEFICIENCIES.
LOCATION
GROUND COMPONENTS
DEFICIENCIES
7. CHECK THE CONTINUITY OF THE GROUNDING CIRCUITS. CHECK ALL CONNECTORS, JOINTS, BONDS, AND FITTINGS FOR PROPER
INSTALLATION, CRACKS, AND TIGHTNESS. RECORD ALL DEFICIENCIES.
LOCATION
DEFICIENCIES
8. MEASURE THE RESISTANCE BETWEEN CONNECTORS, JOINTS, BONDS, AND FITTINGS USING DOUBLE BALANCED DC BRIDGE. RECORD
ALL MEASUREMENTS.
LOCATION
CONNECTIONS
RESISTANCE
9. MEASURE THE EARTH TO GROUND RESISTANCE OF THE SIGNAL GROUND REFERENCE SUBSYSTEM USING THE FALL OF POTENTIAL
METHOD. RECORD THE MEASUREMENT.
RESISTANCE
DA FORM 7452-8-R, FEB 2002
APD LC v1.00
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