DA Form 7452-2-R Lighting Protection Grounding Subsystem Checklist for New Faciliteis (Lra)

DA Form 7452-2-R - also known as the "Lighting Protection Grounding Subsystem Checklist For New Faciliteis (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 7452-2-R - was last revised on February 1, 2002. Download an up-to-date fillable PDF version of the DA 7452-2-R below or request a copy through the chain of command.

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LIGHTNING PROTECTION GROUNDING SUBSYSTEM CHECKLIST FOR NEW 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)
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. CLASS
8b. HEIGHT
8c. MATERIAL
8d. SIZE (Diameter)
8e. PROPER BASES/FITTINGS
8f. PHYSICAL CONDITION
8g. PROPERLY INSTALLED
8h. LOCATED AND SPACED AS SPECIFIED
YES
NO
YES
NO
YES
NO
8i. DOES THE HEIGHT OF AIR TERMINALS PROVIDE PROPER CONE OF PROTECTION
8j. DEFICIENCIES
YES
NO
9. ROOF CONDUCTORS
9a. CLASS
9b. TYPE
9c. SIZE
9d. MATERIAL
9e. BEND RADIOUS
9f. SECURELY ANCHORED
9g. PROPER FITTINGS
9h. LOCATED AND SPACED AS SPECIFIED
YES
NO
YES
NO
YES
NO
9i. PROPERLY BONDED TO AIR TERMINALS AND OTHER METAL OBJECTS ON ROOF
YES
NO
9j. PROPERLY INTERCONNECTED TO OTHER CROSS ROOF CONDUCTORS
9k. DEFICIENCIES
YES
NO
10. DOWN CONDUCTORS
10a. CLASS
10b. TYPE
10c. SIZE
10d. MATERIAL
10e. BEND RADIOUS
10f. SECURELY ANCHORED 10g. PROPER FITTINGS
10h. LOCATED AND SPACED AS SPECIFIED
YES
NO
YES
NO
YES
NO
10i. PROPERLY BONDED TO ROOF CONDUCTORS/AIR TERMINALS AND GROUNDING ELECTRODES
YES
NO
10j. DEFICIENCIES
11. GUARDS
11a. TYPE
11b. PROPER FITTINGS
11c. SOLIDLY ANCHORED
YES
NO
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 7452-2-R, FEB 2002
APD LC v1.00
LIGHTNING PROTECTION GROUNDING SUBSYSTEM CHECKLIST FOR NEW 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)
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. CLASS
8b. HEIGHT
8c. MATERIAL
8d. SIZE (Diameter)
8e. PROPER BASES/FITTINGS
8f. PHYSICAL CONDITION
8g. PROPERLY INSTALLED
8h. LOCATED AND SPACED AS SPECIFIED
YES
NO
YES
NO
YES
NO
8i. DOES THE HEIGHT OF AIR TERMINALS PROVIDE PROPER CONE OF PROTECTION
8j. DEFICIENCIES
YES
NO
9. ROOF CONDUCTORS
9a. CLASS
9b. TYPE
9c. SIZE
9d. MATERIAL
9e. BEND RADIOUS
9f. SECURELY ANCHORED
9g. PROPER FITTINGS
9h. LOCATED AND SPACED AS SPECIFIED
YES
NO
YES
NO
YES
NO
9i. PROPERLY BONDED TO AIR TERMINALS AND OTHER METAL OBJECTS ON ROOF
YES
NO
9j. PROPERLY INTERCONNECTED TO OTHER CROSS ROOF CONDUCTORS
9k. DEFICIENCIES
YES
NO
10. DOWN CONDUCTORS
10a. CLASS
10b. TYPE
10c. SIZE
10d. MATERIAL
10e. BEND RADIOUS
10f. SECURELY ANCHORED 10g. PROPER FITTINGS
10h. LOCATED AND SPACED AS SPECIFIED
YES
NO
YES
NO
YES
NO
10i. PROPERLY BONDED TO ROOF CONDUCTORS/AIR TERMINALS AND GROUNDING ELECTRODES
YES
NO
10j. DEFICIENCIES
11. GUARDS
11a. TYPE
11b. PROPER FITTINGS
11c. SOLIDLY ANCHORED
YES
NO
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 7452-2-R, FEB 2002
APD LC v1.00

Download DA Form 7452-2-R Lighting Protection Grounding Subsystem Checklist for New Faciliteis (Lra)

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