DA Form 7452-6-R "Lightning Protection Grounding Subsystem Checklist for Existing Facilities (Lra)"

What Is DA Form 7452-6-R?

This is a military form that was released by the U.S. Department of the Army (DA) on February 1, 2002. The form, often mistakenly referred to as the DD Form 7452-6-R, is a military form used by and within the U.S. Army. As of today, no separate instructions for the form are provided by the DA.

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Download DA Form 7452-6-R "Lightning Protection Grounding Subsystem Checklist for Existing Facilities (Lra)"

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LIGHTNING PROTECTION GROUNDING SUBSYSTEM CHECKLIST FOR EXISTING FACILITIES
For use of this form, see TM 5-690; the proponent agency is COE.
1. FACILITY
2. DATE (YYYYMMDD)
3. LOCATION
4. INSPECTOR
5. SKETCH THE LAYOUT OF THE ACTUAL LIGHTNING PROTECTION SUBSYSTEM (Or attach an up-to-date engineering drawing if it exists)
6. ALL LIGHTNING PROTECTION EQUIPMENT UL LABELED
7. UL MASTER LABEL ISSUED AND PROPERLY ATTACHED TO THE
BUILDING
YES
NO
YES
NO
8. AIR TERMINALS
8a. HEIGHT
8b. MATERIAL
8c. SIZE (Diameter)
8d. PROPER BASES/FITTINGS
8e. PROPERLY INSTALLED
8f. LOCATED AND SPACED AS SPECIFIED
YES
NO
YES
NO
YES
NO
8g. DOES THE HEIGHT OF AIR TERMINALS PROVIDE PROPER CONE OF PROTECTION
8h. PHYSICAL CONDITION
YES
NO
9. ROOF CONDUCTORS
9a. TYPE
9b. SIZE
9c. MATERIAL
9d. BEND RADIUS ACCEPTABLE
9e. SECURELY FASTENED
9f. PROPER FITTINGS
YES
NO
YES
NO
YES
NO
9g. PROPERLY BONDED TO AIR TERMINALS AND OTHER METAL OBJECTS ON ROOF
YES
NO
9h. PROPERLY INTERCONNECTED TO OTHER CROSS ROOF CONDUCTORS
9i. PHYSICAL CONDITION
YES
NO
10. DOWN CONDUCTORS
10a. TYPE
10b. SIZE
10c. MATERIAL
10d. BEND RADIUS ACCEPTABLE
YES
NO
10e. SECURELY ANCHORED
10f. PROPER FITTINGS
10g. LOCATED AND SPACED AS SPECIFIED
YES
NO
YES
NO
YES
NO
10h. PROPERLY BONDED TO ROOF CONDUCTORS/AIR TERMINALS AND GROUNDING ELECTRODES
YES
NO
10i. PHYSICAL CONDITION
11. GUARDS
11a. TYPE
11b. SOLIDLY ANCHORED
10c. PHYSICAL CONDITION
YES
NO
12. GROUNDING ELECTRODES
12a. TYPE
12b. SIZE
12c. LENGTH (Each)
12d. FORM COUNTERPOISE LOOP
YES
NO
12e. DISTANCE BELOW GRADE LEVEL
12f. DISTANCE FROM OUTER WALL
12g. PROPERLY INSTALLED
YES
NO
12h. PROPERLY CONNECTED TO OTHER GROUNDING SYSTEMS OF THE BUILDING
YES
NO
12i. PROPERLY CONNECTED TO DOWN CONDUCTORS
12j. GROUND RESISTANCE MEASUREMENT
YES
NO
DA FORM 7452-6-R, FEB 2002
APD LC v1.00
LIGHTNING PROTECTION GROUNDING SUBSYSTEM CHECKLIST FOR EXISTING FACILITIES
For use of this form, see TM 5-690; the proponent agency is COE.
1. FACILITY
2. DATE (YYYYMMDD)
3. LOCATION
4. INSPECTOR
5. SKETCH THE LAYOUT OF THE ACTUAL LIGHTNING PROTECTION SUBSYSTEM (Or attach an up-to-date engineering drawing if it exists)
6. ALL LIGHTNING PROTECTION EQUIPMENT UL LABELED
7. UL MASTER LABEL ISSUED AND PROPERLY ATTACHED TO THE
BUILDING
YES
NO
YES
NO
8. AIR TERMINALS
8a. HEIGHT
8b. MATERIAL
8c. SIZE (Diameter)
8d. PROPER BASES/FITTINGS
8e. PROPERLY INSTALLED
8f. LOCATED AND SPACED AS SPECIFIED
YES
NO
YES
NO
YES
NO
8g. DOES THE HEIGHT OF AIR TERMINALS PROVIDE PROPER CONE OF PROTECTION
8h. PHYSICAL CONDITION
YES
NO
9. ROOF CONDUCTORS
9a. TYPE
9b. SIZE
9c. MATERIAL
9d. BEND RADIUS ACCEPTABLE
9e. SECURELY FASTENED
9f. PROPER FITTINGS
YES
NO
YES
NO
YES
NO
9g. PROPERLY BONDED TO AIR TERMINALS AND OTHER METAL OBJECTS ON ROOF
YES
NO
9h. PROPERLY INTERCONNECTED TO OTHER CROSS ROOF CONDUCTORS
9i. PHYSICAL CONDITION
YES
NO
10. DOWN CONDUCTORS
10a. TYPE
10b. SIZE
10c. MATERIAL
10d. BEND RADIUS ACCEPTABLE
YES
NO
10e. SECURELY ANCHORED
10f. PROPER FITTINGS
10g. LOCATED AND SPACED AS SPECIFIED
YES
NO
YES
NO
YES
NO
10h. PROPERLY BONDED TO ROOF CONDUCTORS/AIR TERMINALS AND GROUNDING ELECTRODES
YES
NO
10i. PHYSICAL CONDITION
11. GUARDS
11a. TYPE
11b. SOLIDLY ANCHORED
10c. PHYSICAL CONDITION
YES
NO
12. GROUNDING ELECTRODES
12a. TYPE
12b. SIZE
12c. LENGTH (Each)
12d. FORM COUNTERPOISE LOOP
YES
NO
12e. DISTANCE BELOW GRADE LEVEL
12f. DISTANCE FROM OUTER WALL
12g. PROPERLY INSTALLED
YES
NO
12h. PROPERLY CONNECTED TO OTHER GROUNDING SYSTEMS OF THE BUILDING
YES
NO
12i. PROPERLY CONNECTED TO DOWN CONDUCTORS
12j. GROUND RESISTANCE MEASUREMENT
YES
NO
DA FORM 7452-6-R, FEB 2002
APD LC v1.00