24-ROP-2002-Standard for the Installation of Private Fire Service Mains and Their Appurtenances

30 Pages·2001·0.64 MB·English

NFPA 24 — May 2002 ROP — Copyright 2001, NFPA

NFPA 24 (Log #4)
Committee: AUT-PRI
(Log #CP2) 24- 4 - (4-1.1): Reject
Committee: AUT-PRI SUBMITTER: James W. Cragun, Phillips Petroleum Co.
24- 1 - (1-1 Scope): Accept RECOMMENDATION: Revise text as follows:
SUBMITTER: Technical Committee on Private Water Supply Piping “4-1.1 ...A valve shall be installed in the hydrant connection...”.
Systems Change “shall” to “should.”
RECOMMENDATION: Modify the scope to read as follows: SUBSTANTIATION: Guard post can be used to protect the hydrants
1.1 Scope. This standard establishes the minimum requirements in traffic areas.
for installation of private fire service mains and their appurtenances Self closing hydrants can be used.
supplying automatic sprinkler systems, open sprinkler systems, water Sectional valves in mains between three or four hydrants.
spray fixed systems, foam systems, private hydrants, monitor nozzles, COMMITTEE ACTION: Reject.
standpipe systems and hose houses. This standard also applies to COMMITTEE STATEMENT: The Committee feels that the valve is
“combined service mains” used to carry water both fire service and necessary for individual hydrant maintenance, not just for protection
other use. The authority having jurisdiction shall always be consulted of the device. Secondly, the NFPA Manual of Style prohibits the use
before installation or remodeling of private fire service mains. of “should” in the body of the document.
SUBSTANTIATION: The committee wanted to further clarify the NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
scope of NFPA 24 and to remove redundant language. VOTE ON COMMITTEE ACTION:
COMMITTEE ACTION: Accept. AFFIRMATIVE: 20
NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23 NOT RETURNED: 3 Lake, Mowrer, Trigg
VOTE ON COMMITTEE ACTION:
AFFIRMATIVE: 20 ___________________
NOT RETURNED: 3 Lake, Mowrer, Trigg
(Log #5)
___________________ Committee: AUT-PRI
24- 5 - (4-3.3and A-4.3.3 (New)): Accept in Principle
(Log #7) SUBMITTER: Don Turno, Westinghouse Savannah River
Committee: AUT-PRI RECOMMENDATION: Revise text to read as follows:
24- 2 - (3-3): Accept in Principle “The center of a hose outlet shall be not less than 18 in. (457 mm)
SUBMITTER: Tariq Bsharat, Nat’l Fire Sprinkler Assn. [nor greater than 36 in. (914 mm)] above final grade, or when
RECOMMENDATION: Delete Section 3-3. located in a hose house, 12 in. (305 mm) above the floor.”
SUBSTANTIATION: Post Indicating Valves are not necessary on Add new text to read as follows:
underground lines to individual fire protection systems. The system A-4-3.3 In setting hydrants, due regard should be given to final
control valve required by installation standards is sufficient for grade line.
controlling the water supply.
COMMITTEE ACTION: Accept in Principle.
COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of
this report.
NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
VOTE ON COMMITTEE ACTION:
AFFIRMATIVE: 20
NOT RETURNED: 3 Lake, Mowrer, Trigg

___________________

(Log #2)
Committee: AUT-PRI

24- 3 - (3-6.2(c)): Accept in Part
Figure A-4-3.3 Typical hydrant connection with minimum height
SUBMITTER: John F. Marthens, Alexander & Alexander, Inc.
requirements.
RECOMMENDATION: Change the existing sub-paragraph to read:

(c) Valves locked in the open position.
SUBSTANTIATION: Presently, the existing wording is not in
agreement with a similar sub-section contained in NFPA 13, Section
4-6.1.1.3(c). This disagreement may lead to confusion and conflict
and should be eliminated.
Additionally, wording in NFPA 24, Section 3-6.2(c) concerning the
phrase “correct position” should be made to agree with NFPA 13.
COMMITTEE ACTION: Accept in Part.
Part 1: The correct position is not always the “open position”. This
part is rejected.
Part 2 is covered in NFPA 25.
COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of
this report.

NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
Figure A-4-3.3 Typical hydrant connection with maximum height
VOTE ON COMMITTEE ACTION:
requirements.
AFFIRMATIVE: 20
SUBSTANTIATION: When installing hydrants many contractors add
NOT RETURNED: 3 Lake, Mowrer, Trigg
spool pieces that when final grading is completed the hydrants

become to high for safe operation. When asked to lower the hydrant
___________________
the contractor states that they have met the code. There are no

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NFPA 24 — May 2002 ROP — Copyright 2001, NFPA

maximum height requirements. Many times the contractor may add COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of
backfill around the hydrant to meet the 18 in. requirement. However, this report.
all this does is create a mound around the hydrant. This is still not NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
safe to operate. VOTE ON COMMITTEE ACTION:
COMMITTEE ACTION: Accept in Principle. AFFIRMATIVE: 20
COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of NOT RETURNED: 3 Lake, Mowrer, Trigg
this report.
NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23 ___________________
VOTE ON COMMITTEE ACTION: (Log #1)
AFFIRMATIVE: 20 Committee: AUT-PRI
NOT RETURNED: 3 Lake, Mowrer, Trigg 24- 9 - (Chapter 9): Reject
SUBMITTER: Gene Dorman, Publix Super Markets, Inc.
___________________ RECOMMENDATION: Add minimum of one fire hydrant to fire
main in order to remove foreign material that might have entered the
(Log #6) main during the course of repair during a break in the main.
Committee: AUT-PRI SUBSTANTIATION: Without a hydrant on the main, when a break
24- 6 - (4-3.6): Reject occurs to flush, foreign material will enter sprinkler system.
SUBMITTER: Richard A. Pashkow, Sr., St. Petersburg Fire & Rescue COMMITTEE ACTION: Reject.
RECOMMENDATION: To be the same as NFPA 25, 4-2.2.4 for Dry COMMITTEE STATEMENT: This is outside the Scope of this
Barrel Hydrants. To be tested annually. standard. Flushing after repairs is (and should be) covered by NFPA
Revise text to read as follows: 25. Additionally, proposed wording is too restrictive; there are other
4-3.6 To ensure proper functioning, all private hydrants are to be methods to flush private fire service mains (e.g., through the fire
tested at least annually, or by the requirements of the authority department connection).
having jurisdiction, and/or follow NFPA 25, Chapter 4 requirements. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
SUBSTANTIATION: NFPA 24, Chapter 4, 4-3.6 and NFPA 25, VOTE ON COMMITTEE ACTION:
Chapter 4, 4-2.2.4 will be consistent with each other for Dry Barrel AFFIRMATIVE: 20
Hydrants. NOT RETURNED: 3 Lake, Mowrer, Trigg
COMMITTEE ACTION: Reject.
COMMITTEE STATEMENT: This is outside the Scope of NFPA 24, ___________________
and is covered in NFPA 25 where it belongs.
NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23 (Log #9)
VOTE ON COMMITTEE ACTION: Committee: AUT-PRI
AFFIRMATIVE: 20 24- 10 - (9-2.2 Exception (New) ): Accept in Principle
NOT RETURNED: 3 Lake, Mowrer, Trigg SUBMITTER: Tariq Bsharat, Nat’l Fire Sprinkler Assn.
RECOMMENDATION: Add an Exception after 9-2.2 as follows:
___________________ “Where required for safety measures, the pipe and joints shall be
permitted to be backfilled provided the sprinkler contractor takes the
(Log #3) responsibility for locating and correcting leakage in excess of that
Committee: AUT-PRI permitted in 9-2.3.2 and 9-2.3.2.”
24- 7 - (7-1.1): Accept in Principle SUBSTANTIATION: Contractors must leave trenches exposed for
SUBMITTER: James W. Cragun, Phillips Petroleum Co. long periods of time while waiting to schedule tests with inspection
RECOMMENDATION: Delete the following: authorities. They should be permitted to cover their work as long as
“7-1.1 ...Steel Piping shall not be allowed for use in private fire they take the responsibility for correcting problems. This concept is
service main applications.” consistent with the appendix.
SUBSTANTIATION: Steel piping has been used successfully for COMMITTEE ACTION: Accept in Principle.
service mains in refineries and chemical plants for many years. When COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of
installed correctly and cathodically protected has provided many this report.
years of dependable service. This action puts steel piping in an NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
unwarranted disadvantage which could result in legal action. VOTE ON COMMITTEE ACTION:
COMMITTEE ACTION: Accept in Principle. AFFIRMATIVE: 20
COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of NOT RETURNED: 3 Lake, Mowrer, Trigg
this report.
NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23 ___________________
VOTE ON COMMITTEE ACTION:
AFFIRMATIVE: 20 (Log #12)
NOT RETURNED: 3 Lake, Mowrer, Trigg Committee: AUT-PRI
24- 11 - (10-1.2): Accept
___________________ SUBMITTER: Richard W. Bonds, Ductile Iron Pipe Research Assn.
RECOMMENDATION: Add reference: AWWA C153, Ductile Iron
(Log #8) Compact Fittings, 3 in. through 24 in. and 54 in. through 64 in. for
Committee: AUT-PRI Water Service, 1994.
24- 8 - (7-1.1 Exception (New) ): Accept in Principle AWWA C606, Grooved and Shouldered Joints, 1997.
SUBMITTER: Tariq Bsharat, Nat’l Fire Sprinkler Assn. Also the titles of the following standards have changed:
RECOMMENDATION: Add the following Exception: AWWA C105, Polyethylene Encasement for Ductile Iron Piping for
“Steel pipe shall be permitted for use in underground service if Water and Other Liquids Pipe Systems, 1993.
coated and lined in accordance with Section 7-2.” AWWA C115, Flanged Ductile Iron Pipe with Ductile Iron or Gray
SUBSTANTIATION: Currently a contradiction regarding Iron Threaded Flanges, 1994.
underground steel pipe allowance exists between Section 7-1.1 and 7- AWWA C151, Ductile Iron Pipe, Centrifugally Cast in Metal Molds
2. or Sand-Lined Molds for Water or Other Liquids, 1996.
COMMITTEE ACTION: Accept in Principle.

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NFPA 24 — May 2002 ROP — Copyright 2001, NFPA

SUBSTANTIATION: AWWA C153 for flanged ductile iron pipe and COMMITTEE ACTION: Accept.
AWWA C606 for grooved and shouldered joints are commonly COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of
specified standards and should be referenced. this report.
AWWA C105, C115, and C151 titles have changed and should be NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
revised. VOTE ON COMMITTEE ACTION:
COMMITTEE ACTION: Accept. AFFIRMATIVE: 20
COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of NOT RETURNED: 3 Lake, Mowrer, Trigg
this report.
NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23 ___________________
VOTE ON COMMITTEE ACTION: (Log #16)
AFFIRMATIVE: 20 Committee: AUT-PRI
NOT RETURNED: 3 Lake, Mowrer, Trigg 24- 15 - (A-7-1.4): Accept
COMMENT ON AFFIRMATIVE: SUBMITTER: Richard W. Bonds, Ductile Iron Pipe Research Assn.
BONDS: 1. Since the ballot, AWWA C153 has been revised and the RECOMMENDATION: Revise text to read:
title changed to “Ductile Iron Compact Fittings for Water Service, "d = Actual pipe inside diameter, in inches."
2000.” SUBSTANTIATION: "d" is the inside diameter in the friction loss
2. The title of AWWA C105 is incorrect. The correct title for AWWA formula and should be specified as such.
C105 is “Polyethylene Encasement for Ductile Iron Pipe Systems, COMMITTEE ACTION: Accept.
1999.” COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of
3. A new standard has been published which should be referenced. this report.
It is “AWWA C116, Protective Fusion-Bonded Epoxy Coatings for the NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
Interior and Exterior Surfaces of Ductile-Iron and Gray-Iron Fittings VOTE ON COMMITTEE ACTION:
for Water Supply Service, 1998.” AFFIRMATIVE: 20
Recommendation: The titles of AWWA C153 and AWWA C105 NOT RETURNED: 3 Lake, Mowrer, Trigg
should be revised, and AWWA C116 added to the references.
___________________
___________________ (Log #17)
(Log #13) Committee: AUT-PRI
Committee: AUT-PRI 24- 16 - (A-7-2): Accept
24- 12 - (A-7): Accept SUBMITTER: Richard W. Bonds, Ductile Iron Pipe Research Assn.
SUBMITTER: Richard W. Bonds, Ductile Iron Pipe Research Assn. RECOMMENDATION: Revise text to read:
RECOMMENDATION: Revise text to read: “AWWA C105, Polyethylene Encasement for Ductile Iron Piping for
“American Society for Testing Materials 1916 Race Street, Water and Other Liquids Pipe Systems.”
Philadelphia, PA 19103-1187 100 Barr Harbor Drive, West SUBSTANTIATION: The title of AWWA C105 has been changed.
Conshohockon, PA 19428-2959.” COMMITTEE ACTION: Accept.
SUBSTANTIATION: ASTM’s address has been changed. COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of
COMMITTEE ACTION: Accept. this report.
COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
this report. VOTE ON COMMITTEE ACTION:
NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23 AFFIRMATIVE: 20
VOTE ON COMMITTEE ACTION: NOT RETURNED: 3 Lake, Mowrer, Trigg
AFFIRMATIVE: 20 COMMENT ON AFFIRMATIVE:
NOT RETURNED: 3 Lake, Mowrer, Trigg BONDS: A new standard has been published which should be
referenced. It is “AWWA C116, Protective Fusion-Bonded Epoxy
___________________ Coatings for the Interior and Exterior Surfaces of Ductile-Iron and
(Log #14) Gray-Iron Fittings for Water Supply Service, 1998.”
Committee: AUT-PRI Recommendation: Add AWWA C116 to the references.
24- 13 - (A-7-1.1): Accept
SUBMITTER: Richard W. Bonds, Ductile Iron Pipe Research Assn. ___________________
RECOMMENDATION: Revise text to read: (Log #18)
“AWWA C151, Ductile Iron Pipe Centrifugally Cast in Metal Molds Committee: AUT-PRI
or Sand-Lined Molds for Water or Other Liquids.” 24- 17 - (A-7-3): Accept
SUBSTANTIATION: The title of AWWA C151 has been changed. SUBMITTER: Richard W. Bonds, Ductile Iron Pipe Research Assn.
COMMITTEE ACTION: Accept. RECOMMENDATION: Also reference: AWWA C606, Grooved and
COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of Shouldered Joints, 1997.
this report. Also, change title of AWWA C115 to “Flanged Ductile Iron Pipe with
NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23 Ductile Iron or Gray Iron Threaded Flanges”.
VOTE ON COMMITTEE ACTION: SUBSTANTIATION: AWWA C606 is a common specified standard
AFFIRMATIVE: 20 for grooved and shouldered joints and should be referenced.
NOT RETURNED: 3 Lake, Mowrer, Trigg The title of AWWA C115 has been changed.
COMMITTEE ACTION: Accept.
___________________ COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of
(Log #15) this report.
Committee: AUT-PRI NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
24- 14 - (A-7-1.2): Accept VOTE ON COMMITTEE ACTION:
SUBMITTER: Richard W. Bonds, Ductile Iron Pipe Research Assn. AFFIRMATIVE: 20
RECOMMENDATION: Also reference: AWWA M41, Ductile Iron NOT RETURNED: 3 Lake, Mowrer, Trigg
Pipe and Fittings. ___________________
SUBSTANTIATION: This is a new design manual which was
published in 1996 and should be referenced.

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NFPA 24 — May 2002 ROP — Copyright 2001, NFPA

(Log #19) (Log #11)
Committee: AUT-PRI Committee: AUT-PRI
24- 18 - (A-7-4): Accept 24- 21 - (A-8-6.2.1): Accept in Principle
SUBMITTER: Richard W. Bonds, Ductile Iron Pipe Research Assn. SUBMITTER: Tariq Bsharat, Nat’l Fire Sprinkler Assn.
RECOMMENDATION: Also reference: AWWA C153, Ductile Iron RECOMMENDATION: Delete first equation in A-8-6.2.1 and replace
Compact Fittings, 3 in. through 24 in. and 54 in. through 64 in. for with the following:
Water Service, 1994.
SUBSTANTIATION: AWWA C153 is a common standard used to T
specify fittings and should be referenced. Ab =h × b=
COMMITTEE ACTION: Accept. Sb
COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of

this report.
SUBSTANTIATION: The formula for deriving the area is b x h, and
NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
not equal to a factor that has not been defined (hb).
VOTE ON COMMITTEE ACTION:
COMMITTEE ACTION: Accept in Principle.
AFFIRMATIVE: 20
COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of
NOT RETURNED: 3 Lake, Mowrer, Trigg
this report.
COMMENT ON AFFIRMATIVE:
NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
BONDS: Since the ballot, AWWA C153 has been revised and the
VOTE ON COMMITTEE ACTION:
title changed to “Ductile Iron Compact Fittings for Water Service,
AFFIRMATIVE: 20
2000.”
NOT RETURNED: 3 Lake, Mowrer, Trigg
Recommendation: Revise the title of AWWA C153.

___________________
___________________

(Log #20)
(Log #21)
Committee: AUT-PRI
Committee: AUT-PRI
24- 19 - (A-8): Accept
24- 22 - (A-8-6.2.1): Accept in Principle
SUBMITTER: Richard W. Bonds, Ductile Iron Pipe Research Assn.
SUBMITTER: Richard W. Bonds, Ductile Iron Pipe Research Assn.
RECOMMENDATION: Also reference: AWWA M41, Ductile Iron
RECOMMENDATION: Revise text to read:
Pipe and Fittings.

Delete: A Guide for the Installation of Gray Cast Iron Water Mains,
Ductile Iron Pipe Research Association.
Revise: A Guide for the Installation of Guide for Ductile Iron Pipe,
Ductile Iron Pipe Research Association.
SUBSTANTIATION: AWWA M41 is a new manual which covers
installation of pipe and fittings.
The guide for the installation of gray iron is no longer in print. The
title of the installation guide for ductile iron pipe has been changed.
COMMITTEE ACTION: Accept.
COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of
this report.
NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
VOTE ON COMMITTEE ACTION:
AFFIRMATIVE: 20

NOT RETURNED: 3 Lake, Mowrer, Trigg
SUBSTANTIATION: Typographical error, hb should be h: This
___________________ term is the height of the block times the width of the block.b
(Log #10) Typographical error, S should be S: S stands for safety factor.
Committee: AUT-PRI S should also be changted to S in thfe tefxt.
24- 20 - (A-8-6.2.1): Accept in Principle COtMMITTEE ACTION: Accepft in Principle.
SUBMITTER: Tariq Bsharat, Nat’l Fire Sprinkler Assn. COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of
RECOMMENDATION: Delete second equation in A-8-6.2.1 and this report.
replace with the following: NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
b= 2SτPAsin(∅/2) V AOFTFEIR OMNA TCIOVEM: M20IT TEE ACTION:
NOT RETURNED: 3 Lake, Mowrer, Trigg
hS
COMMENT ON AFFIRMATIVE:
b
BONDS: In the text of the draft of NFPA 24, “safety factor” is
SUBSTANTIATION: hb has not been defined. Also h is used in designated as Sf when it should be Sf.
other parts of the formula. Recommendation: Change Sf to Sf.
COMMITTEE ACTION: Accept in Principle.
COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of ___________________
this report. (Log #22)
NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23 Committee: AUT-PRI
VOTE ON COMMITTEE ACTION: 24- 23 - (B-1-5): Accept
AFFIRMATIVE: 20 SUBMITTER: Richard W. Bonds, Ductile Iron Pipe Research Assn.
NOT RETURNED: 3 Lake, Mowrer, Trigg RECOMMENDATION: Add reference: AWWA C153, Ductile Iron
Compact Fittings, 3 in. through 24 in. and 54 in. through 64 in. for
___________________ Water Service, 1994.
AWWA Manual M41, Ductile Iron Pipe and Fittings.

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NFPA 24 — May 2002 ROP — Copyright 2001, NFPA

AWWA C606, Grooved and Shouldered Joints, 1997. (Log #CP1)
Revise the following: Committee: AUT-PRI
AWWA C105, Polyethylene Encasement for Ductile Iron Piping for 24- 25 - (Entire Document): Accept
Water and Other Liquids Pipe Systems, 1993. SUBMITTER: Technical Committee on Private Water Supply Piping
AWWA C115, Flanged Ductile Iron Pipe with Ductile Iron or Gray Systems
Iron Threaded Flanges, 1994. RECOMMENDATION: Restructure entire document to comply with
AWWA C151, Ductile Iron Pipe, Centrifugally Cast in Metal Molds the NFPA Manual of Style as follows:
or Sand-Lined Molds for Water or Other Liquids, 1996. 1. Chapter 1 to contain administrative text only.
SUBSTANTIATION: AWWA C153, C606, and Manual M41 are 2. Chapter 2 to contain only referenced publications cited in the
commonly used AWWA publications. mandatory portions of the document.
AWWA C105, C115, and C151 titles have been changed. 3. Chapter 3 to contain only definitions.
COMMITTEE ACTION: Accept. 4. All mandatory sections of the document must be evaluated for
COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of usability, adoptability, and enforceability language. Generate
this report. necessary committee proposals.
NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23 5. All units of measure in document are converted to SI units with
VOTE ON COMMITTEE ACTION: inch/pound units in parentheses.
AFFIRMATIVE: 20 6. Appendices restructured and renamed as “Annexes.”
NOT RETURNED: 3 Lake, Mowrer, Trigg SUBSTANTIATION: Editorial restructuring, to conform with the
COMMENT ON AFFIRMATIVE: 2000 edition of the NFPA Manual of Style.
BONDS: 1. Since the ballot, AWWA C153 has been revised and the COMMITTEE ACTION: Accept.
title changed to “Ductile Iron Compact Fittings for Water Service, NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
2000.” VOTE ON COMMITTEE ACTION:
2. The date of AWWA C105 is incorrect. It should be1999. AFFIRMATIVE: 20
3. A new standard has been published which should be referenced. NOT RETURNED: 3 Lake, Mowrer, Trigg
It is “AWWA C116, Protective Fusion-Bonded Epoxy Coatings for the
Interior and Exterior Surfaces of Ductile-Iron and Gray-Iron Fittings ___________________
for Water Supply Service, 1998.”
Recommendation: The title of AWWA C153 and the date of AWWA (Log #CP3)
C105 should be revised, and AWWA C116 added to the references. Committee: AUT-PRI
24- 26 - (Entire Document): Accept
___________________ SUBMITTER: Technical Committee on Private Water Supply Piping
Systems
(Log #23) RECOMMENDATION: 1. Modify and reorganize NFPA 24 to
Committee: AUT-PRI comply with the NFPA Manual of Style, NFPA 13 and NFPA 14.
24- 24 - (B-1-6): Accept 2. Editorially modify accepted changes to comply with the NFPA
SUBMITTER: Richard W. Bonds, Ductile Iron Pipe Research Assn. Manual of Style and the New Draft format.
RECOMMENDATION: Revise text to read: 3. The Technical Committee on Private Water Supply Piping
“A Guide for the Installation of Guide for Ductile Iron Pipe.” Systems proposes a complete revision to NFPA 24, 1995 edition, as
Delete: “A Guide for the Installation of Gray Cast Iron Water shown at the end of this report.
Mains.” SUBSTANTIATION: The committee was tasked by the Standards
SUBSTANTIATION: The title of the installation guide for ductile Council to revise NFPA 24 to address the technical requirements in
iron pipe has been changed. NFPA 13 and NFPA 14. Additionally, the committee revised NFPA 24
The guide for installation of cast iron pipe is no longer in print. to comply with the NFPA Manual of Style. All of the changes
Cast iron pressure pipe is no longer produced domestically. technical and editorial are reflected in the draft NFPA 24 located at
COMMITTEE ACTION: Accept. the end of this report.
COMMITTEE STATEMENT: See the draft of NFPA 24 at the end of COMMITTEE ACTION: Accept.
this report. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23
NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 23 VOTE ON COMMITTEE ACTION:
VOTE ON COMMITTEE ACTION: AFFIRMATIVE: 20
AFFIRMATIVE: 20 NOT RETURNED: 3 Lake, Mowrer, Trigg
NOT RETURNED: 3 Lake, Mowrer, Trigg
___________________
___________________

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NFPA 24
Table 1.5.1 Conversion Table for SI Units
Standard for the Installation of Private Fire Service Mains and Their Name of Unit Conversion Factor
Appurtenances Unit Symbol
Liter L 1 gal = 3.785 L
2002 Edition Liter per minute (L/min)/m2 1 gpm/ft2 = (40.746
per square meter L/min)/m2
Chapter 1 Administration Cubic decimeter dm3 1 gal = 3.785 dm3
Pascal Pa 1 psi = 6894.757 Pa
1.1 Scope. Bar bar 1 psi = 0.0689 bar
1.1.1 This standard shall cover the minimum requirements for the Bar bar 1 bar = 105 Pa
installation of private fire service mains and their appurtenances Note: For additional conversions and information, see ASTM E380-
supplying the following: 1989, Standard for Metric Practice.
(1) Automatic sprinkler systems
(2) Open sprinkler systems 1.5.2 (13:1-7.1) If a value for measurement as given in this standard is
(3) Water spray fixed systems followed by an equivalent value in other units, the first stated is to be
(4) Foam systems regarded as the requirement. A given equivalent value might be
(5) Private hydrants approximate.
(6) Monitor nozzles or standpipe systems with references to water
supplies 1.5.3 (13:1-7.2) SI units have been converted by multiplying the
(7) private hydrants quantity by the conversion factor and then rounding the result to the
(8) Hose houses appropriate number of significant digits.

1.1.2 This standard shall apply to co mbined service mains used to Chapter 2 Referenced Publications
carry water for both fire service and other use.
2.1 General. The documents or portions thereof listed in this chapter
1.2 Purpose. The purpose of this standard shall be to provide a are referenced within this standard and shall be considered part of
reasonable degree of protection for life and property from fire the requirements of this document.
through installation requirements for private fire service main systems
based on sound engineering principles, test data, and field 2.1.1 NFPA Publications. National Fire Protection Association, 1
experience. Batterymarch Park, P.O. Box 9101, Quincy, MA 02269-9101.

1.3 Retroactivity. The provisions of this standard reflect a consensus NFPA 13, Standard for the Installation of Sprinkler Systems, 1999
of what is necessary to provide an acceptable degree of protection edition.
from the hazards addressed in this standard at the time the standard
was issued. NFPA 20, Standard for the Installation of Stationary Pumps for Fire
Protection, 1999 edition.
Unless otherwise specified, the provisions of this standard shall not
apply to facilities, equipment, structures, or installations that existed NFPA 22, Standard for Water Tanks for Private Fire Protection, 1998
or were approved for construction or installation prior to the effective edition.
date of the standard. Where specified, the provisions of this standard
shall be retroactive. NFPA 1961, Standard on Fire Hose, 1997 edition.

In those cases where the authority having jurisdiction determines that NFPA 1963, Standard for Fire Hose Connections, 1998 edition.
the existing situation presents an unacceptable degree of risk, the
authority having jurisdiction shall be permitted to apply retroactively 2.1.2 Other Publications.
any portions of this standard deemed appropriate.
2.1.2.1 ASME Publications. American Society of Mechanical
The retroactive requirements of this standard shall be permitted to Engineers, Three Park Avenue, New York, NY 10016-5990.
be modified if their application clearly would be impractical in the
judgment of the authority having jurisdiction, and only where it is ASME B16.1, Cast Iron Pipe Flangs and Flanged Fittings
clearly evident that a reasonable degree of safety is provided. ASME B16.3, Malleable Iron Threaded Fittings, Class 150 and 300
ASME B16.4, Cast Iron Threaded Fittings, Class 125 and 250
1.4 Equivalency. Nothing in this standard is intended to prevent the ASME B16.5, Steel Pipe Flanges and Flanged Fittings
use of systems, methods, or devices of equivalent or superior quality, ASME B16.9, Factory-Made Wrought Steel Buttweld Fittings
strength, fire resistance, effectiveness, durability, and safety over those ASME B16.11, Forged Steel Fittings, Socket Welded and Threaded
prescribed by this standard. Technical documentation shall be ASME B16.18, Cast Bronze Solder Joint Pressure Fittings
submitted to the authority having jurisdiction to demonstrate ASME B16.22, Wrought Copper and Bronze Solder Joint Pressure Fittings
equivalency. The system, method, or device shall be approved for the ASME B16.25, Buttwelding Ends for Pipe, Valves, Flanges, and Fittings
intended
purpose by the authority having jurisdiction. 2.1.2.2 ASTM Publications. American Society for Testing and
Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-
1.5 (13:1-7) Units. 2959.

1.5.1 (13:1-7) Metric units of measurement in this standard shall be in ASTM A 234, Specification for Piping Fittings of Wrought Carbon Steel
accordance with the modernized metric system known are the and Alloy Steel for Moderate and Elevated Temperatures
International System of Units (SI). Liter and bar units are not part of, ASTN B1.20.1, Pipe Threads, General Purpose (Inch)
but are recognized by, SI and are commonly used in international fire ASTM B 75, Specification for Seamless Copper Tube
protection. These units are shown in Table 1.5.1 with conversion ASTM B 88, Specification for Seamless Copper Water Tube
factors.

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NFPA 24 — May 2002 ROP — Copyright 2001, NFPA

ASTM B 251, Requirements for Wrought Seamless Copper and Copper- AWWA C602, Cement-Mortar Lining of Water Pipe Lines 4 in. and
Alloy Tube Larger — in Place, 1989.
ASTM F 437, Chlorinated Polyvinyl Chloride (CPVC) Specification for
Schedule 80 CPVC Threaded Fittings AWWA C603, Installation of Asbestos-Cement Pressure Pipe, 1990.
ASTM F 438, Specification for Schedule 40 CPVC Socket-Type Fittings
ASTM F 439, Specification for Schedule 80 CPVC Socket-Type Fittings AWWA C900, Polyvinyl Chloride (PVC) Pressure Pipe, 4 in. Through 12
in., for Water Distribution, 1989.
2.1.2.3 AWS Publication. American Welding Society, 550 N.W.
LeJeune Road, Miami, FL 33126. AWWA M11, Steel Pipe — A Guide for Design and Installation, 1989.

AWS B2.1, Specification of Welding Procedures and Welders for Piping 2.1.2.1 ANSI Publication. American National Standards Institute, Inc.,
and Tubing 11 West 42nd Street, 13th floor, New York, NY 10036.

2.1.2.4 AWWA Publications. American Water Works Association, 6666 ANSI B16.1, Standard for Cast-Iron Pipe Flanges and Flanged Fittings for
West Quincy Avenue, Denver, CO 80235. 25, 125, 250 and 800 lb, 1975.

AWWA C104, Cement Mortar Lining for Ductile Iron Pipe and Fittings for Chapter 3 Definitions
Water, 1990.
3.1 General. The definitions contained in this chapter shall apply to
AWWA C105, Polyethylene Encasement for Ductile Iron Piping for Water the terms used in this standard. Where terms are not included,
and Other Liquids, 1993. common usage of the terms shall apply.

AWWA C110, Ductile Iron and Gray Iron Fittings, 3-in. Through 48-in., 3.2 NFPA Official Definitions.
for Water and Other Liquids, 1993.
3.2.1* Approved. Acceptable to the authority having jurisdiction.
AWWA C111, Rubber-Gasket Joints for Ductile Iron Pressure Pipe and
Fittings, 1990. 3.2.2* Authority Having Jurisdiction. The organization, office, or
individual responsible for approving equipment, an installation, or a
AWWA C115, Flanged Ductile Iron Pipe with Threaded Flanges, 1988. procedure.

AWWA C150, Thickness Design of Ductile Iron Pipe, 1991. 3.2.3 Labeled. Equipment or materials to which has been attached a
label, symbol, or other identifying mark of an organization that is
AWWA C151, Ductile Iron Pipe, Centrifugally Cast in Metal Molds or acceptable to the authority having jurisdiction and concerned with
Sand-Lined Molds, for Water or Other Liquids, 1991. product evaluation, that maintains periodic inspection of production
of labeled equipment or materials, and by whose labeling the
AWWA C200, Steel Water Pipe 6 in. and Larger, 1991. manufacturer indicates compliance with appropriate standards or
performance in a specified manner.
AWWA C203, Coal-Tar Protective Coatings and Linings for Steel Water
Pipelines Enamel and Tape — Hot Applied, 1991. 3.2.4* Listed. Equipment, materials, or services included in a list
published by an organization that is acceptable to the authority
AWWA C205, Cement-Mortar Protective Lining and Coating for Steel having jurisdiction and concerned with evaluation of products or
Water Pipe 4 in. and Larger — Shop Applied, 1989. services, that maintains periodic inspection of production of listed
equipment or materials or periodic evaluation of services, and whose
AWWA C206, Field Welding of Steel Water Pipe, 1991. listing states that either the equipment, material, or service meets
appropriate designated standards or has been tested and found
AWWA C207, Steel Pipe Flanges for Waterworks Service — Sizes 4 in. suitable for a specified purpose.
Through 144 in., 1986.
3.2.5 Shall. Indicates a mandatory requirement.
AWWA C208, Dimensions for Fabricated Steel Water Pipe Fittings, 1983.
3.2.6 Should. Indicates a recommendation or that which is advised but not
AWWA C300, Reinforced Concrete Pressure Pipe, Steel-Cylinder Type for required.

Water and Other Liquids, 1989.
3.2.7 Standard. A document, the main text of which contains only

mandatory provisions using the word “shall” to indicate requirements
AWWA C301, Prestressed Concrete Pressure Pipe, Steel-Cylinder Type, for
and which is in a form generally suitable for mandatory reference by
Water and Other Liquids, 1992.
another standard or code or for adoption into law. Nonmandatory

provisions shall be located in an appendix, footnote, or fine-print
AWWA C302, Reinforced Concrete Pressure Pipe, Non-Cylinder Type, for
note and are not to be considered a part of the requirements of a
Water and Other Liquids, 1987.
standard.

AWWA C303, Reinforced Concrete Pressure Pipe, Steel-Cylinder Type,
3.3 General Definitions.
Pretensioned, for Water and Other Liquids, 1987.

3.3.1* (13:1-4.7) Private Fire Service Main. Private fire service main,
AWWA C400, Asbestos-Cement Distribution Pipe, 4 in. Through 16 in.,
as used in this standard, is that pipe and its appurtenances on private
for Water and Other Liquids, 1993.
property(1) between a source of water and the base of the riser for

water-based fire protection systems (2) between a source of water and
AWWA C401, Selection of Asbestos-Cement Water Pipe, 1993.
inlets to foam-making systems (3) between a source of water and the

base elbow of private hydrants or monitor nozzles, and (4) used as fire
AWWA C600, Installation of Ductile Iron Water Mains and Their
pump suction and discharge piping (5) beginning at the inlet side of
Appurtenances, 1993.
the check valve on a gravity or pressure tank.

[13:1-4.7]

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NFPA 24 — May 2002 ROP — Copyright 2001, NFPA

Chapter 4 General Requirements 5.2.1 (13:9-1.3) Private Fire Service Mains. Pipe smaller than 6 in.
(152.4 mm) in diameter shall not be installed as a private service main
4.1* Plans. supply hydrants.

4.1.1 (13:8-1.1) Working plans shall be submitted for approval to the 5.2.2 (13:9-1.3) Mains Not Supplying Hydrants. For mains that do not
authority having jurisdiction before any equipment is installed or supply hydrants, sizes smaller than 6 in. (152.4 mm) shall be
remodeled. permitted to be used subject to the following restrictions:

4.1.2 Deviation from approved plans shall require permission of the (1) The main shall supply only the following types of systems:
authority having jurisdiction. a. Automatic sprinkler systems
b. Open sprinkler systems
4.1.3 (13:8-1.1.1) Working plans shall be drawn to an indicated scale c. Water spray fixed systems
on sheets of uniform size, with a plan of each floor, and shall include d. Foam systems
the following items that pertain to the design of the system: e. Class II standpipe systems

(1) [24:1-4.2(a)] The size and location of all water supplies (2) Hydraulic calculations shall show that the main is able to supply
the total demand at the appropriate pressure.
(2)[13:8-1.1.1(27)] The size and location of standpipe risers, hose (3) Systems that are not hydraulically calculated shall have a main
outlets, hand hose, monitor nozzles, and related equipment at least as large as the riser.

(3) [13:8-1.1.1(28)] The following items that pertain to private fire 5.3 Pressure-Regulating Devices and Meters.
service mains:
a. Size 5.3.1 (24:2-2.4) No pressure-regulating valve shall be used in the water
b. Length supply, except by special permission of the authority having
c. Location jurisdiction.
d. Weight
e. Material 5.3.2 (13:9-1.7) Where meters are required by other authorities, they
f. Point of connection to city main shall be listed.
g. Sizes, types, and locations of valves, valve indicators,
regulators, meters, and valve pits 5.4* (13:9-1.8) Connection from Waterworks Systems.
h. Depth at which the top of the pipe is laid below grade
5.4.1 (13:9-1.8) The requirements of the public health authority
(4) [13:8-1.1.1(43)] The following items that pertain to hydrants: having jurisdiction shall be determined and followed.
a. Size and location, including size and number of outlets and
whether outlets are to be equipped with independent gate valves. 5.4.2 (13:9-1.8) Where equipment is installed to guard against
b. Whether hose houses and equipment are to be provided, and possible contamination of the public water system, such equipment
by whom and devices shall be listed for fire protection service.
c. Static and residual hydrants used in flow
5.5 (24:2-2.6) Connections to Public Water Systems. Connections to
(5) [13:8-1.1.1(44)] Size, location, and piping arrangement of fire public water systems shall be controlled by post indicator valves of an
department connections approved type and installed in accordance with the requirements of
Section 6.3.
4.2 (24:1-5) Installation Work.
5.6 (13:9-2.2) Pumps. A single, automatically controlled fire pump
4.2.1 Installation work shall be performed by fully experienced and installed in accordance with NFPA 20, Standard for the Installation of
responsible persons. Stationary Pumps for Fire Protection, shall be an acceptable water supply
source.
4.2.2 The authority having jurisdiction shall always be consulted
before the installation or remodeling of private fire service mains. 5.7 (13:9-2.3 & 13:9-2.4) Tanks. Tanks shall be installed in accordance
with NFPA 22, Standard for Water Tanks for Private Fire Protection.
Chapter 5 Water Supplies
5.8 (13:9-2.5) Penstocks, Flumes, Rivers, Lakes, or Reservoirs. Water
5.1* (13:9-2.1) Connection to Waterworks Systems. supply connections from penstocks, flumes, rivers, lakes, or reservoirs
shall be arranged to avoid mud and sediment and shall be provided
5.1.1 (13:9-2.1) A connection to a reliable waterworks system shall be with approved, double, removable screens or approved strainers
an acceptable water supply source. installed in an approved manner.

5.1.2 (13:9-2.1) The volume and pressure of a public water supply 5.9* (13:5-15.2) Fire Department Connections.
shall be determined from waterflow test data.
5.9.1 (13:5-15.2.1) General. A fire department connection shall be
5.1.3 An adjustment to the waterflow test data to account for the provided as described in Section 5.9.
following shall be made, as appropriate:
5.9.1.1 (24:2-6.1) Fire department connections shall not be required
(1) Daily and seasonal fluctuations where approved by the authority having jurisdiction.
(2) Possible interruption by flood or ice conditions
(3) Large simultaneous industrial use 5.9.1.2(13:5-15.2.3.7) Fire department connections shall be properly
(4) Future demand on the water supply system supported.
(5) Other conditions that could affect the water supply
5.9.1.3 (13:3-9.3) Fire department connections shall be of an
5.2 (13:9-1.3) Size of Fire Mains. approved type.

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NFPA 24 — May 2002 ROP — Copyright 2001, NFPA

5.9.1.4 (13:3-9.2) Fire department connections shall be equipped with Chapter 6 Valves
listed plugs or caps that are secured and arranged for easy removal by
fire departments. 6.1 (13:3-8.1) Types of Valves.

5.9.2 (13:3-9.1) Couplings. 6.1.1 (13:3-8.1) All valves controlling connections to water supplies
and to supply pipes to sprinklers shall be listed indicating valves.
5.9.2.1 (13:3-9.1) The fire department connection(s) shall use an NH
internal threaded swivel fitting(s) with an NH standard thread(s). 6.1.2 (13:3-8.1) Indicating valves shall not close in less than 5 seconds
when operated at maximum possible speed from the fully open
5.9.2.2 At least one of the connections shall be the 2.5-7.5 NH position.
standard thread specified in NFPA 1963, Standard for Fire Hose
Connections. 6.1.3 (13-3-8.1) A listed underground gate valve equipped with a listed
indicator post shall be permitted.
5.9.2.3 (13:3-9.1) Where local fire department connections do not
conform to NFPA 1963, the authority having jurisdiction shall 6.1.4 (13:3-8.1) A listed water control valve assembly with a reliable
designate the connection to be used. position indication connected to a remote supervisory station shall be
permitted.
5.9.2.4 (13:3-9.1) The use of threadless couplings shall be permitted
where required by the authority having jurisdiction and where listed 6.1.5 (13:3-8.1) A nonindicating valve, such as an underground gate
for such use. valve with approved roadway box, complete with T-wrench, and
accepted by the authority having jurisdiction, shall be permitted.
5.9.3 (13:5-15.2.4) Valves.
6.2 Valves Controlling Water Supplies.
5.9.3.1 (13:5-15.2.4.1) A listed check valve shall be installed in each
fire department connection. 6.2.1 (13:5-14.1.1.2) At least one listed indicating valve shall be
installed in each source of water supply.
5.9.3.2 (13:5-15.2.4.2) No shutoff valve shall be permitted in the fire
department connection piping. 6.2.2 (13:5-14.1.1.2) No shutoff valve shall be permitted in the fire
department connection.
5.9.4 (13:5-15.2.5) Drainage.
6.2.3 (13:5-14.1.1.5) Where more than one source of water supply
5.9.4.1 (13:5-15.2.5) The pipe between the check valve and the exists, a check valve shall be installed in each connection.
outside hose coupling shall be equipped with an approved automatic
drip. 6.2.4 (13:5-14.1.1.5) Where cushion tanks are used with automatic fire
pumps, a check valve shall not be required in the cushion tank
5.9.4.2 (13:5-15.2.5) An automatic drip shall not be required in areas connection.
not subject to freezing.
6.2.5* (13:5-14.1.1.8) In a connection serving as one source of supply,
5.9.5 (13:5-15.2.3.5) Location and Signage. listed indicating valves or post indicator valves shall be installed on
both sides of all check valves required in 6.2.3.
5.9.5.1 (13:5-15.2.3.5) Fire department connections shall be located
on the street side of buildings. 6.2.6 (13:5-14.1.1.8) In the discharge pipe from a pressure tank or a
gravity tank of less than 15,000 gal (56.78 m3) capacity, a control valve
5.9.5.2 Fire department connections shall be located and arranged so shall not be required to be installed on the tank side of the check
that hose lines can be readily and conveniently attached to the inlets valve.
without interference from any nearby objects, including buildings,
fences, posts, or other fire department connections. 6.2.7* (13:5-14.1.1.9) The following requirements shall apply where a
gravity tank is located on a tower in the yard:
5.9.5.3 (13:5-15.2.3.5) Each fire department connection to sprinkler (1) The control valve on the tank side of the check valve shall be an
systems shall be designated by a sign as follows: outside screw and yoke or a listed indicating valve.
(1) The sign shall have raised or engraved letters at least 1 in. (25.4 (2) The other control valve shall be either an outside screw and
mm) in height on a plate or fitting. yoke, a listed indicating valve, or a listed valve having a post-type
(2) The sign shall indicate the service for which the connection is indicator.
intended and shall read, for example as follows:
AUTOSPKR 6.2.8* The following requirements shall apply where a gravity tank is
OPEN SPKR located on a building:
AND STANDPIPE (1) Both control valves shall be outside screw and yoke or listed
indicating valves.
5.9.5.4 (13:5-15.2.3.5) A sign at inlets shall indicate the pressure (2) All fittings inside the building, except the drain tee and heater
required to deliver the greatest system demand. connections, shall be under the control of a listed valve.

5.9.5.5 The sign specified in 5.9.5.3 shall not be required where the 6.2.9 (13:5-14.1.1.10) One of the following requirements shall be met
system demand pressure is less than 150 psi (10.3 bar). where a pump is located in a combustible pump house or exposed to
danger from fire or falling walls, or where a tank discharges into a
5.9.5.6 (24:2-6.10.2) Where a fire department connection only private fire service main fed by another supply:
supplies a portion(s) of the building, a sign shall be attached to (1)* The check valve in the connection shall be located in a pit.
indicate the portion(s) of the building supplied. (2) The control valve shall be of the post indicator type and located
a safe distance outside buildings.

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NFPA 24 — May 2002 ROP — Copyright 2001, NFPA

6.2.10* (13:5-14.1.1.11) All control valves shall be located where sectionalizing the system in the event of a break or for making repairs
readily accessible and free of obstructions. or extensions.

6.3 Post Indicator Valves. 6.5.2 (13:5-14.1.5.2) A sectional valve shall be provided at the
following locations:
6.3.1* (24:3-3.1) General. Every connection from the private fire (1) On each bank where a main crosses water
service main to a building shall be provided with a listed post (2) Outside the building foundation(s) where a main or a section
indicator valve located to control all sources of water supply. of a main runs under a building.

6.3.2 (24:3-3.1) Alternate Provision for Post Indicator Valves. The 6.6 Identifying and Securing Valves.
authority having jurisdiction shall be permitted to waive the
requirement for the post indicator valves required in 6.3.1 where the 6.6.1 (13:5-14.1.1.12) Identification signs shall be provided at each
provisions of Sections 6.1 and 6.4 are met. valve to indicate its function and what it controls.

6.3.3 Location. 6.6.2* (13:5-14.1.1.3) Valves on connections to water supplies,
sectional control and isolation valves, and other valves in supply pipes
6.3.3.1 (24:3-3.2) Post indicator valves shall be located not less than 40 to sprinklers and other fixed water-based fire suppression systems
ft (12.2 m) from buildings. shall be supervised by one of the following methods:

6.3.3.2 (13:A-5-14.1.3) Where post indicator valves cannot be located (1) Central station, proprietary, or remote station signaling service
in accordance with 6.3.3.1, they shall be permitted to be located closer (2) Local signaling service that causes the sounding of an audible
where approved by the authority having jurisdiction, or wall post signal at a constantly attended location
indicator valves shall be used, provided they are set in locations near (3) An approved procedure to ensure that valves are locked in the
blank walls where the possibility of i njury by falling walls is unlikely correct position
and from which people are not likely to be driven by smoke or heat. (4) An approved procedure to ensure that valves are located within
fenced enclosures under the control of the owner, sealed in the open
6.3.4 Arrangement. position, and inspected weekly

6.3.4.1 (13:5-14.1.3.1) Post indicator valves shall be set so that the top 6.6.3 (13:5-14.1.1.3) Supervision of underground gate valves with
of the post is 36 in. (0.9 m) above the final grade. roadway boxes shall not be required.

6.3.4.2 (13:5-14.1.3.2) Post indicator valves shall be protected against 6.7 (13:5-14.1.1.6) Check Valves. Check valves shall be installed in a
mechanical damage where needed. vertical or horizontal position in accordance with their listing.

6.4 Valves in Pits. Chapter 7 Hydrants

6.4.1 (13:5-14.1.4.1) Where it is impractical to provide a post indicator 7.1 General.
valve, valves shall be permitted to be placed in pits and shall be
approved by the authority having jurisdiction. 7.1.1 (14:2-9.1) Hydrants shall be of approved type and have not less
than a 6-in. (152-mm) diameter connection with the mains.
6.4.2 Valve pits located at or near the base of the riser of an elevated
tank shall be designed in accordance with Chapter 9 of NFPA 22, 7.1.1.1 A valve shall be installed in the hydrant connection.
Standard for Water Tanks for Private Fire Protection.
7.1.1.2 The number, size, and arrangement of outlets; the size of the
6.4.3* (13:5-14.1.4.2) Where used, valve pits shall be of adequate size main valve opening; and the size of the barrel shall be suitable for the
and readily accessible for inspection, operation, testing, maintenance, protection to be provided and shall be approved by the authority
and removal of equipment contained therein. having jurisdiction.

6.4.4 Valve pits shall be constructed and arranged to properly protect 7.1.1.3 Independent gate valves on 2 1/2-in. (64-mm) outlets shall be
the installed equipment from movement of earth, freezing, and permitted.
accumulation of water.
7.1.2* (14:2-9.2) Hydrant outlet threads shall have NHS external
6.4.4.1 Depending on soil conditions and the size of the pit, valve pits threads for the size outlet(s) supplied as specified in NFPA 1963,
shall be permitted to be constructed of any of the following materials: Standard for Fire Hose Connections.

(1) Poured-in-place or precast concrete, with or without 7.1.3 (14:2-9.2) Where local fire department connections do not
reinforcement conform to NFPA 1963, Standard for Fire Hose Connections, the
(2) Brick authority having jurisdiction shall designate the connection to be
(3) Other approved materials used.

6.4.4.2 Where the water table is low and the soil is porous, crushed 7.1.4* (14:2-9.3) Hydrants on private service mains shall not be
stone or gravel shall be permitted to be used for the floor of the pit. equipped with pumper outlets unless the calculated demand for large
hose (3.5 in. and larger) is added to the attack hose and sprinkler
6.4.5 (13:5-14.1.4.3) The location of the valve shall be marked, and system demands when determining the total demand on the fire
the cover of the pit shall be kept free of obstructions. protection water supply.

6.5 Sectional Valves. 7.2 Number and Location.

6.5.1 (13:5-14.1.5.1) Large, private, fire service main systems shall 7.2.1* (14:5-13.1) Hydrants shall be provided and spaced in
have sectional controlling valves at appropriate points to permit accordance with the requirements of the authority having jurisdiction.

1101