Page 1 of 118
FDNY S13 Supervision of Standpipe Systems
(Citywide) Exam ACTUAL EXAM QUESTIONS AND
VERIFIED ANSWERS WITH RATIONALES JUST
RELEASED
FDNY S13 Supervision of Standpipe Systems (Citywide) Exam
Summarized Exam Coverage
The S13 Certificate of Fitness is required for individuals who inspect, test, and maintain standpipe
systems in New York City buildings . The certificate is issued by the Fire Department of the City of New
York (FDNY) and requires passing a written exam based on NYC Fire Code, 3 RCNY §505, §905, and NFPA
14 .
Exam Domains :
Domain Key Topics
System
Class I (FDNY use, 2½-inch outlets); Class II (occupant use, 1½-inch hoses); Class III (combination
Classification
Wet standpipe (water always under pressure); Dry standpipe (no automatic water supply);
System Types
Automatic; Manual; Semiautomatic; Combination
Fire Department Connection (FDC/Siamese), hose valves, control valves (OS&Y), pressure reduc
Components
valves (PRVs), fire pumps, water tanks
Pressure
Minimum 100 psi at most remote outlet during test; max 175 psi at any outlet
Requirements
Testing & Inspection Daily visual inspection (occupied buildings); main drain test; 5-year hydrostatic test
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Domain Key Topics
Impairment Red tag (full out of service); blue disc (partial impairment); white disc (fully out of service) ;
Procedures notification requirements (8-hour rule)
Key Standards NFPA 14, NFPA 25, 3 RCNY §505-01, NYC Fire Code §905
1. What is the primary purpose of a standpipe system?
A) To provide water for domestic use
B) To supply water for manual firefighting operations
C) To activate automatic sprinklers
D) To regulate building water pressure
Answer: B
Standpipe systems are designed to supply water for firefighting operations by FDNY personnel or trained
building staff, not for domestic use or sprinkler activation .
2. Which type of building is required to have a standpipe system under the NYC Fire Code?
A) All buildings over two stories
B) Buildings exceeding 75 feet in height
C) All commercial buildings
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D) Any building with a basement
Answer: B
*NYC Fire Code requires standpipe systems in buildings exceeding 75 feet in height, classified as high-
rise structures .*
3. Class I standpipe systems are intended for use by:
A) Building occupants only
B) Maintenance staff
C) Trained fire brigades
D) Fire departments
Answer: D
*Class I systems provide 2½-inch outlets designed exclusively for FDNY use with heavy-duty hoses .*
4. Class II standpipe systems are primarily intended for:
A) Fire department use only
B) Occupant use with 1½-inch hose stations
C) Combined sprinkler connections
D) Basement flooding prevention
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Answer: B
*Class II systems have smaller 1½-inch hoses designed for occupant use and building fire brigades .*
5. Class III standpipe systems provide:
A) Only 1½-inch outlets
B) Only 2½-inch outlets
C) Both 1½-inch and 2½-inch outlets
D) Only sprinkler connections
Answer: C
*Class III systems have both 1½-inch hoses for occupant use and 2½-inch outlets for fire department
use .*
6. What color indicates a standpipe Siamese connection (FDC)?
A) Green
B) Yellow
C) Red
D) Silver
Answer: C
FDNY S13 Supervision of Standpipe Systems
(Citywide) Exam ACTUAL EXAM QUESTIONS AND
VERIFIED ANSWERS WITH RATIONALES JUST
RELEASED
FDNY S13 Supervision of Standpipe Systems (Citywide) Exam
Summarized Exam Coverage
The S13 Certificate of Fitness is required for individuals who inspect, test, and maintain standpipe
systems in New York City buildings . The certificate is issued by the Fire Department of the City of New
York (FDNY) and requires passing a written exam based on NYC Fire Code, 3 RCNY §505, §905, and NFPA
14 .
Exam Domains :
Domain Key Topics
System
Class I (FDNY use, 2½-inch outlets); Class II (occupant use, 1½-inch hoses); Class III (combination
Classification
Wet standpipe (water always under pressure); Dry standpipe (no automatic water supply);
System Types
Automatic; Manual; Semiautomatic; Combination
Fire Department Connection (FDC/Siamese), hose valves, control valves (OS&Y), pressure reduc
Components
valves (PRVs), fire pumps, water tanks
Pressure
Minimum 100 psi at most remote outlet during test; max 175 psi at any outlet
Requirements
Testing & Inspection Daily visual inspection (occupied buildings); main drain test; 5-year hydrostatic test
, Page 2 of 118
Domain Key Topics
Impairment Red tag (full out of service); blue disc (partial impairment); white disc (fully out of service) ;
Procedures notification requirements (8-hour rule)
Key Standards NFPA 14, NFPA 25, 3 RCNY §505-01, NYC Fire Code §905
1. What is the primary purpose of a standpipe system?
A) To provide water for domestic use
B) To supply water for manual firefighting operations
C) To activate automatic sprinklers
D) To regulate building water pressure
Answer: B
Standpipe systems are designed to supply water for firefighting operations by FDNY personnel or trained
building staff, not for domestic use or sprinkler activation .
2. Which type of building is required to have a standpipe system under the NYC Fire Code?
A) All buildings over two stories
B) Buildings exceeding 75 feet in height
C) All commercial buildings
, Page 3 of 118
D) Any building with a basement
Answer: B
*NYC Fire Code requires standpipe systems in buildings exceeding 75 feet in height, classified as high-
rise structures .*
3. Class I standpipe systems are intended for use by:
A) Building occupants only
B) Maintenance staff
C) Trained fire brigades
D) Fire departments
Answer: D
*Class I systems provide 2½-inch outlets designed exclusively for FDNY use with heavy-duty hoses .*
4. Class II standpipe systems are primarily intended for:
A) Fire department use only
B) Occupant use with 1½-inch hose stations
C) Combined sprinkler connections
D) Basement flooding prevention
, Page 4 of 118
Answer: B
*Class II systems have smaller 1½-inch hoses designed for occupant use and building fire brigades .*
5. Class III standpipe systems provide:
A) Only 1½-inch outlets
B) Only 2½-inch outlets
C) Both 1½-inch and 2½-inch outlets
D) Only sprinkler connections
Answer: C
*Class III systems have both 1½-inch hoses for occupant use and 2½-inch outlets for fire department
use .*
6. What color indicates a standpipe Siamese connection (FDC)?
A) Green
B) Yellow
C) Red
D) Silver
Answer: C
