North Avenue Gateway II
Baltimore, MD
SECTION 211300 - FIRE SUPPRESSION
PART 1 - GENERAL
1.1
DESCRIPTION OF WORK
Fire protection system includes all piping, valves, air compressor, fire department connections, fire
pumps, sprinklers, test and drain lines, pressure gages, hangers and supports, signs, and other such
standard appurtenances as required for a complete installation.
1.2
QUALITY ASSURANCE
A.
All work, materials, equipment, installation and accessories shall comply with the standards of the
National Fire Protection Association, municipal and all local regulations.
B.
Wiring connections and voltage for water flow, pressure, and valve supervisory positions shall be
suitable for connections to the building fire alarm system.
C.
Fire pump shall consist of pump, motor, controller and necessary accessories to meet all the
requirements of NFPA 20, shall be UL listed, and shall be approved by the FM Global Insurance
Company.
D.
Jockey pump shall consist of pump, motor, controller, and necessary accessories to meet all the
requirements of NFPA 20, shall be UL listed, and shall be approved by the FM Global Insurance
Companies.
1.3
SUBMITTALS
A.
Submit in accordance with Divisions 01 and Section 230000.
B.
Manufacturer's technical project data, installation instructions, and accessories:
Fire Department Connections
Fire Department Valves
Roof Hydrants
Sprinklers
Waterflow Indicator
Alarm Check Valve
Dry Pipe Valve
Dry Pipe Sprinkler System Air Compressor
Fire Pump, Accessories, and Performance Curve
Jockey Pump and Accessories
Wet Sprinkler System Devices
Residential Range Hood Fire Suppression Systems
C.
Sprinklers shall be referred to on submittals and other documentation by the sprinkler identification or
model number as specifically published in the appropriate agency listing or approval. Trade names or
other abbreviated designations shall not be permitted.
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D.
Hydrant flow test data.
E.
Prior to commencement of associated work, submit sprinkler system hydraulic calculations and
coordinated piping system shop drawings including location of heads, valves, alarms, test connections,
drains, etc. coordinated with mechanical, electrical, structural and building elements to Engineer and
Architect prior to Authority Having Jurisdiction for coordination. Incorporate comments prior to
submitting to the Authority Having Jurisdiction.
F.
Sprinkler and standpipe system test reports.
1.4
APPLICABLE PUBLICATIONS
The publications listed in this section form a part of this specification to the extent referenced. The
publications are referenced in the text by the basic designation.
1.5
PROJECT CONDITIONS
A.
The hose connection at each fire department valve and siamese connection shall have outlet size and
threads conforming to those used by the City of Baltimore Fire Department.
B.
Provide all material and equipment necessary for a complete system of fire protection as indicated on
the drawings and as specified herein.
C.
Wet Sprinkler System: Provide an automatic wet pipe sprinkler system throughout all areas of the
building except where dry pipe systems are indicated. Wet pipe system shall be complete in all respects
and ready for operation including all test and drain lines, pressure gages, hangers and supports, signs
and other standard appurtenances.
D.
Dry Sprinkler System: Provide an automatic dry pipe sprinkler systems to serve the fourth floor and
roof/attic space including interstitial truss space in accordance with NFPA 13. Dry pipe system shall be
complete in all respects and ready for operations including all test and drain lines, pressure gages, dry
pipe valves, air compressors, hangers and supports, signs and other standard appurtenances.
PART 2 – PRODUCTS
2.1
SHUTOFF VALVES
A.
Shutoff valves in sprinkler, standpipe or combined systems shall be approved indicating type.
Underground valves in fire protection system shall be post indicator valves. In lieu of gate valves
specified in Section 23 20 00, “Building Services Piping,” wafer type valves in accordance with NFPA 13
and listed by UL and FM Global are acceptable.
B.
Sprinkler, standpipe and combined system shutoff valves shall be supervised open by the building fire
alarm system. Provide valve supervisory devices that have a minimum of one normally open and one
normally closed contact.
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2.2
Baltimore, MD
FIRE DEPARTMENT CONNECTIONS
A.
General
1.
2.
3.
4.
5.
6.
7.
B.
Comply with UL 405.
Minimum pressure rating: 175 psig.
Body: Corrosion-resistant metal.
Inlets: Brass with threads in accordance with NFPA 1963 and matching local fire department
sizes and threads. Include extension pipe nipples, brass lugged swivel connections, and check
valve devices or clappers.
Caps: Brass, lugged type, with gasket and chain.
Escutcheon Plate Marking: ”AUTO SPKR & STANDPIPE”.
Manufacturers: Elkhart Brass, Fire-End & Croker, Fire Protection Products, Guardian Fire
Equipment, Potter-Roener, Inc.
Type A: Flush-type fire department connection for wall mounting
1.
2.
3.
4.
5.
6.
7.
Finish: Polished brass.
Escutcheon Plate: Rectangular, brass, wall type.
Outlet Location: Top with 90 degree body.
Outlet Size: 4-inch.
Body Style: Horizontal.
Number of Inlets: Two.
Inlet Size: 2-1/2-inch.
C.
Automatic Ball Drip: Equal to Croker No. 6781, 3/4-inch size.
D.
Manufacturers: Allenco (W.D. Allen), Croker, Elkhart, J.L. Industries, Larsen, Potter-Roener, Inc.
2.3
FIRE DEPARTMENT VALVES AND ROOF HYDRANTS
A.
Fire Department Valves: Croker No. 5015 or approved equal, 2-1/2-inch UL approved cast brass hose
outlet angle gate valve. Provide rough brass finish. Provide 2-1/2 by 1-1/2-inch reducer where required
by Baltimore City Fire Department. Provide cap and chain on outlet.
B.
Roof Hydrants: Croker No. 6625 cast brass body, wallplate and caps with chain or approved equal.
Provide a shutoff valve for hydrant.
2.4
SPRINKLER SYSTEM
A.
Provide spray type sprinklers. Sprinklers shall be used in accordance with their listed spacing
limitations. Sprinklers with internal O-rings are not acceptable. In general, sprinklers shall be of the
fusible strut or frangible glass bulb type and of ordinary temperature rating. Provide 1/2-inch discharge
orifice wherever possible. Sprinklers located within the air streams of unit heaters or other heat
emitting equipment and those in high heat areas such as boiler rooms, etc. shall be selected for proper
temperature rating.
B.
Quick response sprinklers shall be used in Light Hazard area locations.
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C.
D.
E.
Baltimore, MD
Corrosion resistant sprinkler shall be the upright type installed in locations as indicated. Corrosion
resistant coatings shall be factory-applied by the sprinkler manufacturer.
Entire sprinkler system shall be drainable. Return bends and dry sprinkler assemblies shall be used to
avoid traps in the sprinkler system.
Sprinkler Types
1.
2.
3.
4.
5.
6.
7.
Exposed Upright sprinkler shall have a chromeplated finish.
Exposed Pendant sprinklers shall have a chromeplated finish.
Pendant Sprinkler with Recessed Escutcheon: Pendent sprinklers shall have a white enamel
finish. Escutcheon shall be recessed type with a factory white enamel finish.
Pendent Sprinkler with Concealed Cover: Concealed pendent sprinklers with brass finish shall
provide the appearance of a smooth ceiling with the sprinkler hidden from view by a low
profile coverplate flush with the ceiling. Coverplate shall be removable without affect on
sprinkler. Coverplate shall have white factory finish.
Sidewall sprinkler shall be quick response type. Sidewall sprinkler shall have a white enamel
finish. Escutcheon shall be recessed type with a factory white enamel finish.
Dry sprinkler assembly shall be of the pendent, sidewall, or 45-degree type as required.
Assembly shall include an integral escutcheon. Maximum length shall not exceed maximum UL
rating. Sprinklers shall have a polished chrome finish. Escutcheon shall be recessed type with a
factory polished chrome finish.
Escutcheons and guards shall be listed, supplied, and approved for use with the sprinkler by
the sprinkler manufacturer.
F.
Provide sprinkler coverage around fixed obstructions, such as large ducts, in accordance with NFPA 13.
G.
Sprinkler Cabinet: Spare sprinklers shall be provided in accordance with NFPA 13 and shall be packed in
a suitable metal or plastic cabinet. Spare sprinklers shall be representative of, and in proportion to, the
number of each type and temperature rating of the sprinklers installed. At least one wrench of each
type required shall be provided.
H.
Manufacturers: Grinnel (GEM), Reliable Sprinkler Co., Star Sprinkler Corp., Viking, Central Sprinkler
Corp., Victaulic.
2.5
WET PIPE SPRINKLER SYSTEM WATERFLOW INDICATOR
Provide vane type waterflow indicator where shown on the drawings equal to Grinnel Model WFD,
Potter Electric Signal Co. Model VSR-F or System Sensor Model WFD with 0 to 70-second adjustable
retard. Provide fire department test connection including piping to drainage system. Style 720 Victualic
Test Master II Alarm Test Module with threaded or grooved ends may be used in lieu of field fabricated
test connection.
2.6
WET PIPE SPRINKLER SYSTEM ALARM CHECK VALVE
A.
Provide an alarm check valve where shown on the drawings. Alarm to operate on any flow of 10 gpm or
more and shall be provided with a retarding chamber and an electrically operated alarm system
including electric bell and all accessories. Provide a shutoff valve in the pipe connection to the retarding
chamber.
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B.
2.7
Baltimore, MD
Manufacturers: Grinnel (GEM), Reliable Sprinkler Co., Star Sprinkler Corp., Viking, and Central Sprinkler
Corp., Victaulic.
DRY PIPE SPRINKLER SYSTEM DRY PIPE VALVE
A.
Provide a dry-valve where indicated on the drawings. Valve shall operate upon system air pressure
release, such as an open sprinkler head. Air-to-water pressure ratio shall be approximately 1 to 8.
Valve shall be externally resettable.
B.
Alarm silence valve shall be supervised open by the fire alarm system in accordance with NFPA 72.
C.
Provide a pressure supervisory initiating device to detect and signal abnormal system air pressures.
D.
Manufacturers: Grinnell (GEM), Reliable Sprinkler Co., Star Sprinkler Corp., Viking, Central Sprinkler
Corp.
2.8
FIRE PUMP AND ACCESSORIES
A.
Fire pump shall be horizontal split case, bronze fitted, centrifugal type suitable for electric motor drive
equal to Peerless Pump model as indicated on the drawings. The fire pump and the fire pump motor
shall be UL listed for fire pump service.
B.
Construction of fire pump shall include:
1.
2.
3.
Cast iron casing and bearing housing; bronze impeller, renewable case wearing rings, shaft
sleeves; steel shaft, 125 psi suction flange, and 250 psi discharge flange.
Stuffing box packed with graphite impregnated TFE packing rings, external water seal piping.
Pump and motor shall be mounted on a fabricated steel or cast iron baseplate and directly
connected through a flexible connection.
C.
The pump shall be designed to deliver not less than 150 percent of rated capacity at a pressure not less
than 65 percent of the total rated head.
D.
The shutoff pressure shall not exceed 120 percent of total rated head.
E.
Pump shall be hydrostatically tested to twice the working pressure but in no case less than 250 psi.
F.
The following accessories shall also be provided by the pump manufacturer:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Compound suction gage.
Discharge pressure gage and check valve.
Name and capacity plate.
Automatic air release valve.
Pilot operated circulation relief valve.
Hose valve test manifold.
2-1/2-inch UL listed hose valves with caps and chains.
Ball drip valve.
Discharge tee.
Eccentric suction reducer.
Concentric discharge increaser.
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12.
13.
14.
15.
G.
Splash shield.
Coupling guard.
Main relief valve pilot operated diaphragm type.
Waste cone.
Controller
1.
2.
3.
4.
The motor control shall be specifically UL approved for fire pump service.
The control equipment shall be completely assembled, wired and tested prior to shipment from
the factory.
All control equipment shall be mounted in a dripproof, moisture resistant NEMA 2 housing and
shall be marked, "Electric Fire Pump Controller."
The controller shall be of the combined manual and automatic type including the following
equipment:
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
Disconnect switch, externally operable, quick break type.
Circuit breaker, time delay type with trips in all phases set for 300 percent of the motor
full load current. Circuit breaker interrupting capacity shall be sized in accordance with
NFPA and NEC.
Motor starter, soft starting, energized automatically through the pressure switch or
manually energized by use of a start button on the cabinet or an externally operable
starting lever.
Pressure switch set to maintain required operating pressure.
Minimum run timer shall run the motor ten minutes after starting signals have returned
to normal.
Pilot lamps to indicate circuit breaker closed, power available, and phase reversal.
Provisions shall be provided for ammeter test and voltmeter test without disconnection
of conductors within the controllers.
Alarm relay to energize an audible or visible alarm through an independent source of
power to indicate circuit breaker open or power failure.
Provide voltage surge arrestor from each line terminal or each load terminal of the
isolating switch to ground. The surge arrestor shall be rated to suppress voltage surges
above line voltage. Arrestor shall comply with ANSI/IEEE C62.1 or C62.11.
Means shall be provided in the controller to operate an alarm signal continuously while
the pump is running.
Provide an auxiliary alarm panel located as directed by the Owner for remote audible
and visual alarm.
H.
Manufacturers: Aurora, Fairbanks Morse, ITT A-C Pump, Patterson, Peerless.
I.
Automatic Power Transfer Switch
1.
2.
3.
J.
2.9
Baltimore, MD
Provide an automatic transfer switch, UL listed for fire pump service.
Switch shall be housed in a NEMA 2 enclosure which may also be in a separate barriered
compartment, housing the controller specified above.
Switch shall be Firetrol Model FTA 900 or equivalent, having all standard features of this model.
Manufacturers: Aurora, Fairbanks Morse, ITT A-C Pump, Patterson, Peerless.
JOCKEY PUMP AND ACCESSORIES
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A.
Jockey pump shall be a peripheral turbine type pump, bronze fitted equal to manufacturer and model
as indicated on the drawings.
B.
Construction
1.
2.
3.
C.
The following accessories shall be provided:
1.
2.
3.
4.
5.
6.
D.
2.
2.10
Suction and discharge gages.
Name and capacity plate.
Circulation relief valve.
Coupling guard.
Main relief valve (pilot operated diaphragm type).
Waste cone.
Controller
1.
E.
Vertically split cast iron casing with removable bearing housings. Packed stuffing box.
Bronze impeller on stainless steel shaft between grease lubricated ball bearings.
Pump and motor shall be mounted on a cast iron or steel base plate and directly connected
through a flexible connection.
Controller shall consist of a circuit breaker combination magnetic line starter, with pressure
switch in NEMA 2 enclosure.
Mount starter adjacent to fire pump controller.
Manufacturers: Aurora, Burks, Fairbanks Morse, ITT A-C Pump, Patterson, Peerless.
DRY PIPE SPRINKLER SYSTEM AIR COMPRESSOR
A.
Provide an automatic air compressor specifically approved for use on a dry pipe sprinkler system and
capable of full system recovery within 30 minutes of an emergency operation.
B.
Provide a pressure supervisory initiating device to detect and signal abnormal system air pressures in
accordance with NFPA 72.
C.
Provide run time meter.
D.
Manufacturers: Grinnell (GEM), Reliable Sprinkler Co., Star Sprinkler Corp., Viking, Central Sprinkler
Corp.
2.11
RESIDENTIAL RANGE HOOD FIRE SUPPRESSION SYSTEMS
A.
Type A: Provide a UL-listed Residential Range Top Fire Protection system where indicated on the
drawings. Applicable to public or common area rangehood(s).
1.
2.
3.
System shall be equal to Guardian III Model 300B as manufactured by Guardian Safety Solutions
International Inc.
Manufacturers: Guardian Safety Solutions International Inc., or approved equal.
System shall be complete with the following:
a.
Centralized Processing Unit (CPU) control board
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North Avenue Gateway II
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
l.
m.
n.
B.
Baltimore, MD
Supervised Circuitry
System Operation Light
Audible Alarm
Low Battery Warning
Auxiliary Outputs for connection to remote dialer or security system
Sensor activated temperature assembly and distribution assembly
Appliance nozzles, appliance shut-down device
Sonic activated electric range shutoff device.
Valve (9v)
Printed wiring board
Manual remote pull station
Remote audible alarm (where required)
AC/DC wall plug-in power supply including transformer (UL-listed for use with CPU
control board provided)
Type B: Provide a dry chemical range hood fire suppression system equal to Stovetop Firestop
Rangehood suppression. Applicable to each apartment unit rangehood only.
1.
2.
Equipment shall be tested and certified to applicable sections of UL 1254, “Pre-Engineered Dry
Chemical Extinguishing System Units.”
Manufacturers: WilliamsRDM, Inc or approved equal.
PART 3 - EXECUTION
3.1
SHUTOFF VALVES
Install shutoff valves where indicated on the drawings in sprinkler, standpipe, and combined systems
including water line supplying these systems.
3.2
FIRE DEPARTMENT CONNECTIONS
A.
Install where indicated on the drawings at a height of 2 feet to 3 feet 6 inches above ground level.
B.
Provide a check valve in each fire department connection located as near as possible to the point where
it joins the system.
C.
When fire department is higher than check valve, the piping between the check valve and the outside
hose coupling shall be equipped with an automatic ball drip piped to nearest floor drain or as indicated.
3.3
FIRE DEPARTMENT VALVES
Install fire department valves where indicated on the drawings at a height of 3 feet 6 inches to 4 feet 6
inches above the floor.
3.4
SPRINKLER SYSTEM
A.
Sprinkler system shall be hydraulically designed unless otherwise noted on the drawings. Head spacing
in general and water quantity shall be based on the following:
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1.
2.
3.
Baltimore, MD
Light Hazard Occupancy: Apartment Units, corridors, Leasing Office, offices, common areas.
Ordinary Group I Hazard: Trash Room, Mechanical/Electrical spaces.
Ordinary Group II Hazard: Retail space.
B.
A new flow test shall be conducted by the Contractor to determine the pressures available.
B.
Perform test during periods of heavy usage of the public water main.
C.
The fire protection mains are shown on the drawings and the size indicated shall be the minimum size
provided. Branch sprinkler piping and heads are not shown. The contractor shall be responsible for the
location of pipe and heads and the sizing of the mains not sized on drawings and branch sprinkler
piping.
D.
Provide piping from fire department test connection to drainage system.
E.
Submit shop drawings showing the complete piping system including location of heads, valves, alarms,
etc., completely coordinated with mechanical, electrical and structural systems prior to commencement
of work.
F.
Sprinklers installed in ceilings of finished areas shall be symmetrical in relation to ceiling systems
components, centered in tile where applicable, and coordinated with other equipment in the ceiling.
Submit typical layouts to Architect for review.
G.
Sprinkler heads shall be generally installed in accordance with NFPA except additional heads shall be
provided to satisfy requirements of symmetry or aesthetics.
H.
The sprinkler bulb protector must remain in place until the sprinkler is completely installed and before
the system is placed in service. Remove bulb protector carefully by hand after installation. Do not use
any tools to remove bulb protectors.
I.
Sprinklers subject to mechanical injury shall be protected with guards. Provide guards on sprinklers
located in mechanical and electrical equipment rooms, parking garage, and where required by NFPA 13.
J.
Piping in spaces with ceilings shall be concealed in the ceiling space. Heads shall be installed at a
uniform projection distance from ceiling. Sprinkler piping installation shall be such that access to the
ceiling space is not impaired.
K.
Hydraulic calculations shall be prepared and submitted to the Engineer for review and comment prior to
submitting to the Authority Having Jurisdiction.
L.
Sprinkler Cabinet: Locate where directed, but not where they will be subjected to temperatures
exceeding 100 degrees F.
M.
Waterflow and supervisory devices shall be furnished and installed by the Fire Protection Contractor
and wired to the building fire alarm system by the Fire Alarm and/or Electrical Contractor. The Fire
Protection Contractor shall coordinate completion of this work.
N.
Install “Inspector’s Test Connections” in sprinkler piping, complete with shutoff valve and sized
according to NFPA 13. Locate in the most remote location of the system and discharge drain to the
exterior at 24 inches above grade with hot dipped galvanized wall plate and 45 degree elbow onto a
precast concrete splash block.
O.
Discharge the alarm valve main drain to the exterior at 24 inches above grade with hot dipped
galvanized wall plate and 45 degree elbow onto a precast concrete splash block.
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North Avenue Gateway II
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P.
Hydraulic Data Nameplate Installation: The hydraulic data nameplate shall be securely mounted to the
sprinkler riser. The nameplate shall include the NFPA 13 Edition on which the design and installation of
the system was based.
Q.
Precast Concrete Splash Blocks: 7.5 inches wide at upper end, 13.5 inches wide at lower end, 36 inches
long.
3.5
WET PIPE SPRINKLER SYSTEM WATERFLOW INDICATOR
Install in accordance with manufacturer's recommendations and NFPA.
3.6
WET PIPE SPRINKLER SYSTEM ALARM CHECK VALVE
A.
Install in accordance with manufacturer's recommendations and NFPA.
B.
Locate electric bell alarm where indicated on the drawings.
3.7
DRY PIPE SPRINKLER SYSTEM DRY PIPE VALVE
A.
Install in accordance with manufacturer's recommendations and NFPA.
B.
Entire dry pipe system shall be installed to provide complete drainage of system. Provide drain valves
and drain quantities as necessary.
3.8
FIRE PUMP AND ACCESSORIES
A.
Pump installing contractor shall be responsible for the proper operation of the complete fire pump unit
assembly including jockey pump. The manufacturer’s certified technician shall be present for startup,
field acceptance testing, and Owner training.
B.
Install automatic air release valve on top of pump case.
C.
Install circulation relief valve on the discharge volute of the pump.
D.
Install main relief valve in discharge piping between pump and check valve.
E.
Install grout as recommended by pump manufacturer, under pump base after it is leveled.
F.
Perform field acceptance tests in compliance with referenced codes.
G.
Adjust drip rate from stuffing boxes for proper seal lubrication.
H.
Instruct personnel, designated by the Owner, in proper operation and maintenance of fire pump unit.
I.
Provide operating instructions, suitably mounted, including manufacturer's operating instructions
regarding controls and pumps and indication of what valves should be open in the pump room. Include
also methods of getting assistance in an emergency.
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3.9
Baltimore, MD
JOCKEY PUMP AND ACCESSORIES
See requirements listed for fire pump and accessories.
3.10
DRY PIPE SPRINKLER SYSTEM AIR COMPRESSOR
Install in accordance with NFPA 13.
3.11
RESIDENTIAL RANGE HOOD FIRE SUPPRESSION SYSTEMS
Install in accordance with manufacturer’s recommendations and requirements.
3.12
APPROVAL AND TESTING
Arrange for approval of sprinkler and standpipe systems and conduct tests in accordance with NFPA 13,
14, and 20.
3.13
FLOW TEST DATA
See below.
END OF SECTION 211300
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