ENGINE DE-RATING
PPS No. / Project Name
Report Issue Date
Select Engine Series
Select Engine Model
Select Engine Power (HP)
MODEL No.
Manufacturer : FIRE DRIVER
Selected Power : Hp
Rated Speed : RPM
SITE CONDITION
NFPA 20 11.2.2.5* A deduction of 1 percent from engine horsepower rating as corrected to standard SAE conditions shall be made for diesel engines for every 10°F (5.6°C) above 77°F (25°C) ambient temperature.
Site Pump Room Temperature
°C
NFPA 20 11.2.2.4* A deduction of 3 percent from engine horsepower rating at standard SAE conditions shall be made for diesel engines for each 1000 ft (300 m) of altitude above 300 ft (91 m).
Site Pump Room Altitude
M
CALCULATION RESULT
DEDUCTION REQUIRED CONSIDERING AMBIENT TEMPERATURE
HP
DEDUCTION REQUIRED CONSIDERING ALTITUDE
HP
Engine De-Rated Power
HP
User Remarks
REPORT ISSUED THROUGH NAFFCO CUSTOMER PORTAL
NAFFCO reserves the right to modify the technical specification and illustration without prior notice.
NAFFCO reserves the right to modify the technical specification and illustration without prior notice.