Chrysler LLC Construction Standards

12/17/04

SECTION 13905 - FM 200 FIRE EXTINGUISHING SYSTEM

PART 1 - GENERAL

1.1  SUMMARY

  1. This Section includes FM 200 fire extinguishing systems.
  2. Work Not Covered by This Section:
  3. Wiring from the FM 200 panels to the building fire alarm panel shall be by the Fire Alarm Contractor.
  4. Shutting down HVAC equipment shall be by the Mechanical Contractor.
  5. Proper sealing of the rooms shall be by the General Contractor.

1.2  CODES AND STANDARDS

  1. Work and material under this section shall be furnished and installed in conformance with National Fire Codes and Factory Mutual criteria. Where quantities, sizes, or other requirements on the drawings are in excess of code requirements, Contractor shall be bound by information indicated on the drawings and in the specifications. Applicable standards include the following:
  2. Clean Agent Fire Extinguishing Systems, NFPA 2001
  3. National Electrical Code (NEC), NFPA 70
  4. National Fire Alarm Code, NFPA 72
  5. 1998 Factory Mutual Approval Guide

1.3  SUBMITTALS

  1. Prepare detailed shop drawings of proposed system. Submit shop drawings to and obtain approval from the Fire Marshal having jurisdiction.
  2. Provide the Architect/Engineer with calculations.
  3. Submit equipment cut sheets showing details of each component.
  4. Provide a drawings showing the location of every smoke detector and its corresponding address number. Drawing shall be installed in a metal frame, complete with clear plastic cover.
  5. All equipment shall be Underwriters’ Laboratories (UL) listed and Factory Mutual (FM) approved being utilized as listed in the latest approval guide.
  6. Certification Documentation: Submit 5 copies each of the following:
  7. As-built (record) drawings
  8. Maintenance procedures
  9. Discharge test results
  10. Design calculations
  11. Equipment submittal data
  12. Battery calculations

1.4  WARRANTY

  1. Warranty period shall begin on date equipment is placed in operation at Owner's request and continue for a period of two years. Workmanship, equipment, piping, valves, and appurtenances shall be included.

PART 2 - PRODUCTS

2.1  MATERIALS

  1. Pipe, fittings, flexible tubing, and appurtenances conforming to NFPA 2001.
  2. All equipment shall be monitored by the FM 200 panel, which shall interface with the building fire alarm control panel.
  3. Assembly of screwed pipe and fittings shall utilize Teflon tape. Pipe lubricant and sealer shall not be used. Do not use bushings.
  4. Pipe Hangers and Supports
  5. Piping shall be designed to be anchored to rigid members such as walls, floors, and structural members to prevent longitudinal or lateral sway.
  6. Hangers and supports shall be of rugged design and shall be installed so that they will not be loosened by movement of the supported pipe. Use U-bolts with double nuts.
  7. Pipelines shall be supported independent of other pipelines.
  8. Pipe supports shall be designed to avoid interference with other piping, conduit, structures, and equipment.
  9. Maximum spacing for supports shall be in accordance with the following schedule:

Nominal Pipe Size Spacing (maximum in feet)

1/2” 5

3/4” 6

1” 7

1-1/2” 9

2” 10

  1. Nozzles
  2. Provide nozzles and orifice according to manufacturer’s criteria based on calculation in accordance with NFPA 2001.
  3. Fabricate nozzles of corrosion-resistant materials or finished with a protective coating. Design nozzles in which the horn, shell, and orifice piece are separate elements so that the orifice piece is connected directly to the supply pipe.
  4. Valves: When installed in rigid pipelines, provide threaded valves such as pressure switches with a union immediately downstream from the equipment to facilitate inspection, repair, or replacement. Provide valves that have all gaskets, O-rings, sealants, and other valve components compatible with the clean agent used. Provide valves which are under constant pressure with a minimum bursting pressure of 6000 psi, while those not under constant pressure a minimum bursting pressure of at least 5000 psi. Provide valves that are listed for their intended use.
  5. Addressable Manual Release Station
  6. Locate manual release as shown on drawings.
  7. Wire manual release station to the FM 200 control panel and wired independently of automatic initiating devices.
  8. Provide for the station to operate electrically and be installed in cast, surface mounted boxes of semi-flush style. Provide station with molded raised letter operating instructions of contrasting color.
  9. Boxes employing glass rods (or equivalent) are acceptable; however, boxes requiring breaking of glass panels for operation are not acceptable. Provide for a key wrench to be required to reset the station if boxes employing glass rods are used. Gravity or mercury switches are not acceptable.
  10. Provide a separate screw terminal for each conductor that is connected to the release station. Rate switches and contacts for the voltage and current at which they shall operate.
  11. Locate signs adjacent to the station giving all operating instructions.
  12. Equip manual stations with double pole double throw switches.
  13. Station shall be equipped with Stopper II protective cover.
  14. Provide unsupervised mechanical manual release devices at FM 200 cylinder location.

2.2  CONTROL PANEL

  1. Provide and install a complete independent UL-listed and/or FM-approved releasing control panel for the paint storage, paint mix, and MCC rooms. Control panel shall be a FenwalNet 2000 or Fike Intellascan II. Panel shall provide all power for the smoke detectors, solenoids, and alarm devices complete with 24-hour battery standby. Control panel shall be microprocessor based, UL listed, and/or FM approved for releasing service. Control panel shall be located as indicated on the drawing. Panel shall be housed in a NEMA 12 enclosure complete with internal terminal strips and wireway. In addition to the above, the control panel shall have the following additional features:
  2. Panel shall be capable of linking up to a maximum of 255 addressable devices.
  3. Panel shall provide a separate custom 40-character message for each addressable device.
  4. Panel shall provide a nonvolatile memory that retains all alarms or trouble conditions, even if both A/C and battery power is lost. Memory shall be accessible through use of any IBM compatible personal computer.
  5. Control panel shall be field programmable using an IBM personal computer without requiring replacement of computer chips.
  6. Provide power supply, in accordance with UL 1481, suitable for 120 Volt, single-phase, 60 hertz primary power service and adequate to serve control power modules, alarm initiating devices, alarm indicating appliance and other power devices.
  7. Provide battery-operated secondary power supply with capacity for operating of system in standing mode for 24 hours followed by alarm mode for 10 minutes. Battery system shall be complete with audible and visual warning systems with silence-normal ring-back features.
  8. Control panel shall supervise the following circuits and components:
  9. Extinguishing precision wiring
  10. Integrity of wiring circuits
  11. Electric manual pull station
  12. Alarm light/horns
  13. Photoelectric smoke detector wiring
  14. Control head wiring
  15. Entrance warning lights
  16. Alarm light/bells
  17. HVAC contacts
  18. Bypass Switches: The detection circuits, release solenoids, and interlock relays shall be capable of being individually disabled by operation of a supervised armed disable switch. Operation of this switch shall be logged into the release panel history buffer.

2.3  COMPONENTS

  1. Cylinders
  2. Construct cylinder assemblies and fill in accordance with the requirements of NFPA 2001 and in conformance with regulations of the Interstate Commerce Commission. Fit cylinders with a resilient pressure seat type valve, a pressure relief rupture disc, filling inlet, and a threaded steel cap for physical protection of the valve during handling and shipment.
  3. Store cylinders in steel racks designed to hold the cylinders securely in an upright position with clamps and straps. Design rack uprights to support the pipe manifold connecting the cylinders. Design the arrangement of cylinders in the rack as to require the least floor space (including service aisles) to enable the cylinders to be weighed in place without removing them, and to facilitate inspection, testing, and maintenance.
  4. Determine the total number of cylinders by calculations, including connected reserve.
  5. Provide liquid level indicators on all cylinders.
  6. All cylinders to be actuated electrically with XP solenoid or squib.
  7. Electric Control Heads
  8. Provide two discharge “heads” for the control cylinders. Both shall be 24 VDC. Indication shall be provided showing the set or released position of the actuator pin.
  9. Pressure-Operated Switches
  10. Pressure switches shall be three pole, single throw, reversible, to initiate shutdown and system discharged indications.

2.4  EQUIPMENT

  1. Flame detection shall be Fire Sentry I.R. Detectors Model FS10 or Owner-approved equal. Detectors shall be placed to observe all paint equipment and the entire floor area within the mix room. Two flame detectors shall be required to go into alarm before timer countdown prior to release of FM 200.
  2. Alarm light/bell alarm shall initiate upon first alarm. Alarm shall be powered with 24 VDC and shall have approximately 90 dB rating at 10 feet. Alarm shall be mounted at 7 feet above finish floor. There shall be a sign installed under the alarm device.
  3. Alarm light/horn alarm shall initiate upon second alarm. Alarm shall be powered with 24 VDC and shall have approximately 90 dB rating at 10 feet. Alarm shall be mounted at 7 feet above finish floor. There shall be a sign installed under the alarm device.
  4. Warning lights shall be provided above the entrances into the hazard area. Lights shall have a sign indicating "FM 200 DISCHARGED, DO NOT ENTER". Letters on sign shall be a minimum of 1 inch tall, red in color with white background. Device shall consist of backlighted, semirecessed mounted box with flashing light behind sign plate. Minimum dimensions 8 inches by 111/2 inch overall.

2.5  SIGNS

  1. Manual discharge station, control panel, storage cylinders, alarm light/horn, and alarm light/bell shall be identified by permanently attached metal or 1/4-inch-thick engraved laminated plastic signs measuring a minimum of 4 inches by 8 inches. Contractor shall furnish and install signs.

PART 3 - EXECUTION

3.1  SYSTEM INSTALLATION

  1. The FM 200 system shall be designed to produce a minimum concentration of 8percent for 10 minutes.
  2. Provide alarm and control devices as required to meet specifications. Wiring shall conform to NFPA 70 National Electrical Code and Division 16, with wiring installed in minimum 1/2 inch rigid conduit with compression couplings.
  3. Provide FM 200 system control panel and equipment.
  4. Contacts to shut down HVAC units upon alarm conditions.
  5. Provide piping, nozzles, flame detectors, alarm light/bell, alarm light/horn, control panel, manual discharge station, FM 200 storage cylinders (including mounting brackets), warning light, and appurtenances as shown on the drawings and in this specification.
  6. Replacement of finish materials.
  7. Perform door fan test (refer to subparagraph 3.4.A). Test shall hold time for a minimum of 10 minutes.
  8. Distribution
  9. Install the FM 200 so that the gas is discharged through nozzles. Size and locate nozzles to provide the rates of discharge and coverage needed to extinguish a fire. Size the pipe and nozzles on the basis of calculated flow and terminal pressures. Flow charts and nozzle data shall be in accordance with UL, FM, and NFPA 2001.
  10. Make compensations to increase the amount of FM 200 that is to be discharged into the rooms to allow for the losses incurred from unclosable openings and during actuation of dampers, door holders, and air handling equipment.
  11. Installation of Valves
  12. Install valves to give sufficient room for expansion of adjoining pipe and for repair or removal without interfering with another valve or pipe.
  13. Piping Fabrication
  14. Provide screwed joints with threaded pipe ends reamed to remove all burrs. Clean pipe sections inside to remove all chips and foreign material prior to making up joints. Apply tape or approved joint compound to the threads of the pipe, not the fitting, when making up joints. Make-up joint so that pipe compound does not extend beyond the thread of the fitting.
  15. Size and layout discharge piping to reduce friction loss at a minimum, and securely support with due allowance for expansion and contraction, and so as not to be subjected to mechanical, chemical, or other damage.
  16. Make pipe reductions with reducing couplings such as 45-degree and 90degree reducing elbows, reducing tees, crosses and concentric reducers. The use of reducing bushings is prohibited.
  17. Take piping branches from the bottom or side of header piping.
  18. Nameplates: Provide permanent type nameplates and condensed instruction plates to identify the system and instruct in its use under emergency conditions.
  19. Electrical Work
  20. Install electrical work to conform to NFPA 70, except for control and initiating device wiring.
  21. Provide control and initiating device wiring, including connections for the fire alarm system, in accordance with this section and to conform to NFPA 70 and 72. Provide rigid metal conduit.
  22. Megger all wiring prior to connection of devices or appliances. The minimum value for acceptance is 100 megohms at 500 VDC.
  23. Provide wiring a minimum of 18 gauge THWN stranded copper.
  24. Color code the wiring as follows:

1)  When any circuit requires polarity for operation such as power for a smoke detector circuit, use the striped color coding for the conductor that is negative in the normal position.

2)  Example: If blue was used for the positive conductor in the normal position, then the negative conductor would be blue with a yellow stripe.

3)  Color code wiring for the following:

a)  Manual pull station

b)  Smoke detectors - Zone A

c)  Smoke detectors - Zone B

d)  Alarm device circuits - audible

e)  Alarm device circuits - visual

f)  Auxiliary shutdown circuits

  1. Use the solid color green for ground conductors only.
  2. Provide taped termination points or wire tagging in addition to color-coded wiring.

3.2  SYSTEM SEQUENTIAL OPERATION

  1. Activation of first flame detector shall:
  2. Energize alarm light/bells.
  3. Energize light and audible alarm on FM 200 control panel indicating which detector went into alarm.
  4. Transmit trouble condition to main fire alarm panel. Note first detector zone alarm is interpreted as a “trouble” alarm.
  5. Activation of second flame detector shall:
  6. Energize light and audible alarm on FM 200 control panel, indicating which detector went into alarm.
  7. Initiate 30 second adjustable timer. At end of timer cycle, discharge FM 200.
  8. Activate alarm light/horns.
  9. Upon discharge, indicate system condition for the FM 200 system on control panel.
  10. Indicate system discharge at main fire alarm panel.
  11. Energize entrance warning light.
  12. Shut down HVAC equipment and all dampers in associated ductwork.
  13. Activation of manual discharge station for the FM 200 system shall:
  14. Initiate an adjustable 30-second timer. After 30 seconds, discharge FM 200.
  15. Transmit alarm condition to FM 200 control panel, indicating manual discharge station activation.
  16. Upon discharge, energize lamp on the FM 200 control panel, indicating system condition.
  17. Energize alarm light/bells and alarm light/horns
  18. Energize entrance warning lights.
  19. Shut down HVAC equipment and close dampers.
  20. Transmit alarm to main fire alarm panel.

3.3  FIELD QUALITY CONTROL