DA Form 7477-R Heating Water System Inspection Checklist

DA Form 7477-R - also known as the "Heating Water System Inspection Checklist" - 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 7477-R - was last revised on December 1, 2002. Download an up-to-date fillable PDF version of the DA 7477-R below or request a copy through the chain of command.

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HEATING WATER SYSTEM INSPECTION CHECKLIST
For use of this form, see TM 5-697; the proponent agency is COE.
SECTION A - CUSTOMER DATA
1. PLANT
2. LOCATION
3. JOB NUMBER
4. EQUIPMENT
5. HEATING WATER LOOP DESIGNATION
6. DATE (YYYYMMDD)
7. TEST EQUIPMENT
8. TESTED BY
SECTION B - EQUIPMENT DATA
9. BOILER MANUFACTURER
10. MODEL NO
11. SERIAL NO
12. BTU RATING
13. PUMP MANUFACTURER
14. MODEL NO
15. SERIAL NO
16. RATED FLOW
17. HP @ RPM
18. RATED NPSH
19. RATED PRESSURE
SECTION C - VISUAL AND MECHANICAL INSPECTION
20.
CHECK POINT
COND*
NOTES
CHECK POINT
COND*
NOTES
EXTERIOR OF EQUIPMENT
EQUIPMENT IDENTIFICATION
COMPLETENESS OF ASSEMBLY
BRACING
EQUIPMENT ROTATION
LABELING AND TAGGING
ELECTRICAL/MECHANICAL INTERLOCKS
SAFETY INTERLOCKS
INSTRUMENTS
WORKING SPACE
PROPER GROUNDING
ANCHORAGE
PROPER INSULATION
SYSTEM FLUSHED AND CLEANED
TIGHTNESS OF BOLTED CONNECTIONS
COMPARISON TO DRAWINGS
PROPER LUBRICATION
CONTROL SYSTEM
WATER TREATMENT
FUEL SYSTEM
SECTION D - CALIBRATION AND SET POINT
21.
NOTES
DESCRIPTION
SENSORS
CONTROLLERS
ACTUATORS
RELIEF VALVES CHECKED
FUEL SAFETY VALVES
SECTION E - HYDRONIC SYSTEM TESTS
22.
OPERATING MODES
TEMPERATURES PRESSURES
FLOWS
LEVELS
NOTES
BOILER
PUMP
HYDROSTATIC TEST
BALANCE TEST
HEATING COIL NUMBER
CONTROL VALVES
SYSTEM TEST
23. NOTES
*CONDITION: A=ACCEPTABLE; R=NEEDS REPAIR, REPLACEMENT OR ADJUSTMENT; C=CORRECTED; NA=NOT APPLICABLE
DA FORM 7477-R, DEC 2002
APD LC v1.00
HEATING WATER SYSTEM INSPECTION CHECKLIST
For use of this form, see TM 5-697; the proponent agency is COE.
SECTION A - CUSTOMER DATA
1. PLANT
2. LOCATION
3. JOB NUMBER
4. EQUIPMENT
5. HEATING WATER LOOP DESIGNATION
6. DATE (YYYYMMDD)
7. TEST EQUIPMENT
8. TESTED BY
SECTION B - EQUIPMENT DATA
9. BOILER MANUFACTURER
10. MODEL NO
11. SERIAL NO
12. BTU RATING
13. PUMP MANUFACTURER
14. MODEL NO
15. SERIAL NO
16. RATED FLOW
17. HP @ RPM
18. RATED NPSH
19. RATED PRESSURE
SECTION C - VISUAL AND MECHANICAL INSPECTION
20.
CHECK POINT
COND*
NOTES
CHECK POINT
COND*
NOTES
EXTERIOR OF EQUIPMENT
EQUIPMENT IDENTIFICATION
COMPLETENESS OF ASSEMBLY
BRACING
EQUIPMENT ROTATION
LABELING AND TAGGING
ELECTRICAL/MECHANICAL INTERLOCKS
SAFETY INTERLOCKS
INSTRUMENTS
WORKING SPACE
PROPER GROUNDING
ANCHORAGE
PROPER INSULATION
SYSTEM FLUSHED AND CLEANED
TIGHTNESS OF BOLTED CONNECTIONS
COMPARISON TO DRAWINGS
PROPER LUBRICATION
CONTROL SYSTEM
WATER TREATMENT
FUEL SYSTEM
SECTION D - CALIBRATION AND SET POINT
21.
NOTES
DESCRIPTION
SENSORS
CONTROLLERS
ACTUATORS
RELIEF VALVES CHECKED
FUEL SAFETY VALVES
SECTION E - HYDRONIC SYSTEM TESTS
22.
OPERATING MODES
TEMPERATURES PRESSURES
FLOWS
LEVELS
NOTES
BOILER
PUMP
HYDROSTATIC TEST
BALANCE TEST
HEATING COIL NUMBER
CONTROL VALVES
SYSTEM TEST
23. NOTES
*CONDITION: A=ACCEPTABLE; R=NEEDS REPAIR, REPLACEMENT OR ADJUSTMENT; C=CORRECTED; NA=NOT APPLICABLE
DA FORM 7477-R, DEC 2002
APD LC v1.00

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