ATT_02a_Division_13_Special_Construction.pdf

1 Division 13 – Special Construction

DIVISION 13 – SPECIAL CONSTRUCTION

SECTION 13100- LIGHTNING PROTECTION SYSTEM

PART 1 – GENERAL

A. Summary:

1. This Section includes lightning protection system for buildings and building elements.

B. Objective:

1. To provide safety for the building and occupants by preventing damage to building structure caused by lightning.

C. Standards:

1. The following specifications and standards of the latest issue form a part of the specification:

a. Lightning Protection Institute Installation Standard, LPI 175.

b. National Fire Protection Association Lightning Protection Standard, NFPA

780.

c. Underwriters Laboratories, Inc. Installation Requirements, UL96A.

D. System Design:

1. The Work covered by this Section of the specifications consists of furnishing all labor, materials, and items of service required for the completion of a functional and unobtrusive lightning protection system as approved by the PM, and in strict accordance with this Section of the specifications and the applicable contract documents.

E. Quality Assurance:

1. The lightning protection system will conform to the requirements and standards for lightning protection systems of the LPI, UL, and NFPA.

2. Upon completion, a certification letter and warranty by the installation company will be delivered to the Government in a digital format.

3. The certification letter and warranty ensures the system has been installed by a company who employs LPI certified Masters Designers and Installers and the building structure is protected by a lightning protection system meeting current standards.

4. The lightning protection contractor is required to provide a LPI Master

Certification and warranty by the installation company and a LPI Master

Certification certifying the Work.

F. Submittals:

1. Submittals: Submit in accordance with Division 1 requirements.

2 Division 13 – Special Construction

2. Product Data: Provide product data showing the type, and size of all conductors, through roof/through wall assemblies, conduit encasement of all exposed conductors, roof conductors, and terminals and mounting accessories.

Section 13100- Lightning Protection System Cont.

3. Roof Plan: Detail lightning protection system, including air-terminal locations, conductor routing and connections, and bonding and grounding provisions.

Include indications for the use of raceway and data on how concealment requirements will be met, if used.

4. Certification: Signed by Contractor, that mechanical fasteners or roof adhesive, depending on roofing type, for air terminals is approved by manufacturer of both the terminal assembly and the roofing material manufacturer.

5. Field Inspection: Field reports indicating compliance with specified requirements.

G. Coordination:

1. Coordinate installation of lightning protection with other building systems and components, including electrical wiring, supporting structures and building materials, metal bodies requiring bonding to lightning protection components, and building finishes.

2. Coordinate installation of air terminals attached to roofing materials systems with roofing manufacturer and installer.

PART 2 – PRODUCTS

A. Standard:

1. The system to be furnished under this specification will be the standard product of manufacturers regularly engaged in the production of lightning protection equipment and will be the manufacturer’s latest approved design.

2. The equipment will be UL listed and properly UL labeled.

B. Manufacturers:

1. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

a. Advanced Lightning Technology

b. East Coast Lightning Equipment

c. Erico Lightning Protection Co.

d. Approved Equal

C. Lightning Protection System Components:

1. All materials will be copper and bronze and of the size, weight, and construction to suit the application and used in accordance with LPI, UL, and NFPA code requirements.

2. Aluminum Components: Aluminum materials may not be used except on roofs that utilize aluminum, galvalume or galvanized metal roofing components. On aluminum, galvalume or galvanized metal roofs or where aluminum, galvalume or

3 Division 13 – Special Construction galvanized metal parapet caps exist, the entire lightning protection equipment will be utilize aluminum components to ensure compatibility. However, the down leads and grounding are to utilize copper.

Section 13100- Lightning Protection System Cont.

3. Surge Protection Devices: A surge protection device at the main electrical service is required by lightning protection standards. The surge protection device must comply with UL Standard 1449 as a Type 1 or Type 2 lightning rated unit of 20kA or more. It will be the responsibility of the Electrical Contractor to install the surge protection device on the main electrical service as specified.

4. Roof-Mounted Air Terminals: NFPA Class II, Copper, unless otherwise indicated.

d. Roof-Mounting Air Terminals: Designed for single-ply membrane, metal standing seam roofing panels, asphalt composition roofing shingles.

5. Ground Rods, Ground Loop Conductors, and Concrete-Encased electrodes:

Comply with Division 26, Section “Grounding and Bonding” and standards referenced in the Section.

6. All grounding conductors will be protected against physical damage by the use of a protective cover that will be securely fastened to the building. The protective cover will be installed as to protect the grounding conductor from finished grade to a height of 6’-0” above grade.

PART 3 – EXECUTION

A. Installation:

1. The lightning protection contractor will be required to remove the existing lightning protection system, if one exists, and will reinstall the new lightning protection components.

2. The installation will be accomplished by an experienced installation company that is UL listed, a member of the Lightning Protection Institute (LPI) and an employer of LPI Certified Master Installers of lightning protection systems and UL listed.

3. A Certified Master Installer will supervise the Work.

4. All equipment will be installed in a neat, workmanlike manner.

5. The system will consist of a conductor network at the roof and include air terminals, connectors, splicers, bonds, copper down leads, and proper ground terminals. Copper down lead conductors will be utilized even when aluminum is required on the roof. Down lead conductors in PVC conduit will be allowed to be run down the side of the building in an exposed fashion.

6. Install conductors with direct paths from air terminals to ground connections.

Avoid sharp bends and narrow loops.

7. Cable Connections: Use approved exothermic-welded connections for all conductor splices and connections between conductors and other components, except those above single-ply membrane roofing.

8. Bond extremities of vertical metal bodies exceeding 60 feet in length to lightning protection components.

B. Coordination:

4 Division 13 – Special Construction

1. The lightning protection installer will work with other trades to insure a correct, neat and, as much as possible, an unobtrusive installation.

Section 13100- Lightning Protection System Cont.

2. The lightning protection contractor will use a compatible adhesive to adhere lightning protection components to the roof when required.

3. The lightning protection contractor will furnish and install the adhesive and obtain an approval of the compatible adhesive from the roofing manufacturer/contractor prior to the installation.

C. Corrosion Protection

1. Do not combine materials that can form an electrolytic couple that will accelerate corrosion in the presence of moisture unless moisture is permanently excluded from junction of such materials.

2. Use conductors with protective coatings where conditions would cause deterioration or corrosion of conductors.

D. Field Quality Control and Completion:

1. Upon completion of the installation, the lightning protection installer will conform to the requirements and standards for lightning protection systems of the LPI, UL, and NFPA.

2. Upon completion the following certifications will be delivered to the Government in a digital format; a certification letter and warranty by the installation company, and a LPI Master Certification.

End of Section- 13100

5 Division 13 – Special Construction

Section 13120- Pre-Engineered Structures

A. Extruded Aluminum Canopy:

1. Manufacturer- E.L. Burns, Self-Draining Columns

2. Color- Dark Bronze, Anodized Aluminum

End of Section- 13120

6 Division 13 – Special Construction

SECTION 13851- FIRE ALARM SYSTEMS

PART 1 - GENERAL

A. Summary:

1. This Section includes the installation of Fire Alarm Systems and Mass

Notification Systems in accordance with Ft. Knox Standards and UFC

Requirements.

2. Replace entire Mass Notification System and interface with sprinkler system. No existing equipment will be used in the Work including, but limited to, panel, all devices, cables, etc.

B. Related Sections:

1. Division 13, Section Fire-Suppression Piping.

2. Division 23, Section General.

3. Division 23, Section Controls.

4. Division 26, Section, Interior Lighting.

5. Division 26, Section Exterior Lighting.

C. References:

1. Fire Alarm System and Mass Notification System will be install in accordance with the following:

a. UFC 1-200-01, Change 2, 28 November 2011: General Building

Requirements.

b. UFC 3-520-01, Change 2, 1 July 2012: Interior Electrical Systems.

c. UFC 3-600-01, Change 3, 1 March 2013: Fire Protection Engineering for

Facilities.

d. UFC 4-010-01, 9 February 2012: DOD Minimum Antiterrorism Standards for

Buildings.

e. UFC 4-021-01, Change 1, January 2010: Design and O&M, Mass

Notification Systems.

f. UFGS 28 31 76, August 2011: Interior Fire Alarm and Mass Notification.

g. UFGS 4-610-01, 6 May 2008: Administrative Facilities.

h. Project Specific Requirements, Fort Knox, 30 January 2013.

i. NFPA 72, Fire Alarm Systems, 2013 Edition.

j. NFPA 70, Electrical Code, 2012 Edition.

k. NFPA 13, Sprinkler Systems, 2013 edition.

D. Performance Requirements:

1. UFC 4-010-01: Concerning Dampers: Fort Knox DPW and Fire Department interpretation of the UFC will affect all current in use mainframe HVAC and

Latrine systems. It will also affect all Kitchen HVAC as allowable by Code. Such dampers will be controlled, monitored and tied into the Ft. Knox Emergency

Shutdown system. Items not required to have dampers, according to this Section, are existing fan coil and PTCA units, to include fans and vents in mechanical rooms, existing old or abandoned HVAC vents, and general

7 Division 13 – Special Construction

Section 13851- Fire Alarm Systems Cont.

penetrations to the exterior of the building. Dryer vents will not be included as this could lead to a fire and would not meet Code when in use.

2. Install one emergency shut down switch in all LOC’s per the UFC.

3. Contractor is responsible for scheduling of all testing and acceptance with Ft.

Knox Fire Department.

E. Quality Assurance:

2. All Fire Alarm and Mass Notification devices will be UL listed or FM approved.

3. Allow for modules to monitor hood suppression in Kitchen and Kitchenettes.

Check final equipment list to determine actual quantities required.

4. All sleeping units require sounder base on smoke detectors with a 180 second delay. (See Ft. Knox Specific Requirements under Fire Alarm for more information).

5. Shutdown all HVAC units, PTACs and close all dampers when message #1 is activated.

6. Existing room numbers or room numbers on DPW’s proposed plans will be used, all programming and final drawings are to reference these numbers.

7. Contractor is responsible for having all utilities located prior to starting work if nature of work requires.

8. Provide FPE stamped/sealed Fire Alarm drawings at completion of project to

DPW/ESD, Project Manager, to be forwarded to the Ft. Knox Fire Department.

F. Submittals:

1. Submittals: Submit in accordance with Division 1 requirements.

2. Product Data: For each type of product indicated. Include styles, material descriptions, construction details, dimensions of individual components and profiles, features, finishes, and operating instructions.

3. Storage Batteries: Sustaining battery calculations for supervisory and alarm power requirements. Ampere-hour requirements for each system component and each panel component, and the battery-recharging period.

4. Voltage Drop: Voltage drop calculations for notification appliances circuits to indicate that sufficient voltage is available for proper appliance operation.

5. Drawings: Fire Alarm Reporting System: Detail drawings, prepared and signed by a NICET Level 3 Fire Alarm Technician, consisting of a complete list of equipment and materials, including manufacturer’s description and technical nomenclature, and installation diagrams.

6. Statement: Detailed test procedures, prepared and signed by NICET Level 3 Fire

Alarm Technician, for the fire detection and alarm system.

7. Certificates:

a. Equipment: Certified copies of current approved or listings issued by an independent test lab, if not listed by UL, FM, or other nationally recognized testing laboratory, showing compliance with specified NFPA standards.

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b. Qualifications: Proof of qualifications for required personnel. The installer will submit proof of experience for the fire alarm technician and the installing company.

G. Delivery Storage, and Handling:

1. All material will be delivered to the job site in the original, unopened packages with labels intact.

2. Upon arrival, materials will be inspected for physical damage, freezing, or overheating. Questionable materials will not be used.

3. Materials will be stored at the job site, and at all times, in a cool, dry location, protected from weather and other sources of damage. Minimum storage temperature will be as follows:

a. Finishes and Color Prime: 40 degrees F.

b. For other products, refer to specific product data sheets.

4. Maximum Storage temperature will not exceed 100 degrees F.

5. Protect all products from inclement weather and moisture.

H. Project Conditions:

1. Environmental Requirements:

a. Protect materials from inclement weather and keep completely dry.

b. At the time of product application, the air and wall surface temperatures shall be from 40 degrees F minimum to 100 degrees F maximum for the following products:

c. These temperatures will be maintained with adequate air ventilation and circulation for a minimum of 24 hours thereafter, or until the products are completely dry.

2. Existing Conditions: The contractor will have access to electric power, clean water, and a clean work area at the location where the product materials are to be applied.

I. Sequencing and Scheduling:

1. Installation of Alarm and Mass Notification Systems will be coordinated with other construction trades.

2. Sufficient manpower and equipment will be employed to ensure a continuous operation and installation.

3. Contractor is responsible for covering and protecting all floor finishes and furniture in work area during his Work.

4. Contractor is responsible for site cleanup of his Work after his Work is complete.

9 Division 13 – Special Construction

PART 2 – PRODUCTS

A. Manufacturers:

1. Available Manufacturers: Products: Basis-of-Design: The following products are the basis of design. Available manufactures subject to compliance with requirements.

a. Combination Fire Alarm / Mass Notification.

1. Approved Systems:

a. Gamewell FCI

b. Simplex

b. System manufactured for a specific hazard will be considered on an individual basis by the Fort Knox Fire Department.

2. Siemens MXL systems are not allowed in Ft. Knox facilities by order of the Ft.

Knox Fire Dept.

3. Provide fire alarm panel with the capacity to tie future sprinklers and monitoring for entire building, even if “Project Area” is a portion of the building.

4. Provide, install, and program 52 zone Monaco transmitter.

B. System Description:

1. Control of System: By the FACP.

2. System Supervision: Automatically detect and report open circuits, shorts, and grounds of wiring for initiating device, signaling line, and notification-appliance circuits.

3. Priority of Signals: Automatic alarm responses functions resulting from an alarm signal from one zone or device are not altered by subsequent alarm, supervisory, or trouble signals. An alarm signal is the highest priority. Supervisory and trouble signals have second-and-third-level priority. Higher-priority signals take precedence over signals of lower priority, even when the lower-priority condition occurs first. Annunciate and display all alarm, supervisory, and trouble signals regardless of priority or order received.

4. Noninterference: A signal on one zone will not prevent the receipt of signals from other zones.

5. System Reset: All zones are manually resettable from the FACP after initiating devices are restored to normal.

6. System Alarm Capacity during Circuit Fault Conditions: System wiring and circuit arrangement prevent alarm capacity reduction when a single ground or open circuit occurs in an initiating device circuit, signal line circuit, or notification-appliance circuit.

7. Loss of power at the FACP initiates a trouble signal at the FACP. The FACP indicates when the alarm system is operating on the secondary power supply

8. Basic Alarm Performance Requirements: Unless otherwise indicated, operation of a manual station, automatic alarm operation of a smoke or flame or heat detector, or operation of a sprinkler flow device initiates the following:

i. Notification-appliance operation.

10 Division 13 – Special Construction

ii. Identification at the FACP and the remote annunciator of the zone originating the alarm.

iii. Shutdown of fans and other air-handling equipment serving zone where alarm was initiated.

9. Alarm Silencing, System Reset and Indication: Controlled by switches at the

FACP.

10. Water-flow alarm switch operation initiates the following:

i. Notification-appliance operation.

ii. Flashing of the device location-indicating light for the device that has operated.

11. Sprinkler valve-tamper switch operation initiates the following:

i. A supervisory, audible, and visible “valve-temper” signal indication at the

FACP.

ii. Flashing of the device location-indicating light for the devices that has operated.

12. Low-air-pressure switch operation on a dry-pipe or preaction sprinkler system initiates the following:

i. A supervisory, audible, and visible “Sprinkler trouble” signal indication at the

FACP and the annunciator.

ii. Flashing of the device location-indicating light for the device that has operated.

13. Removal of an alarm-initiating device or a notification appliance initiated the following:

i. A “trouble” signal indication at the FACP and the annunciator for the device or zone involved.

C. Storage Batteries:

1. Storage batteries will be provided and will be 24 Vdc sealed, lead-calcium type requiring no additional water. The batteries will have amply capacity, with primary power disconnected, to operate the fire alarm system for a period of 60 hours. Following this period of battery operation, the batteries will have ample capacity to operate all components of the system, including all alarm signaling devices in the total alarm mode for a minimum of period of 15 minutes. Batteries will be located in a separate battery cabinet. Batteries will be provided with overcurrent protection in accordance with NFPA 72. Separate battery cabinets will have a lockable, hinges cover similar to the fire alarm panel. The lock will be keyed the same as the fire alarm control panel. Cabinets will be painted top match the fire alarm control panel.

D. Battery Charger:

1. Battery charger will be completely automatic, 24Vdc with high/low charging rate capable of restoring the batteries from full discharge (18 Volts dc) to full charge within 48 hours. A pilot light indicating when batteries are manually

11 Division 13 – Special Construction placed on a high rate of charge will be provided as part of the unit assembly, if a high rate switch is provided. Charger will be located in control panel cabinet or in a separate battery cabinet.

E. Manual Fire Alarm Stations:

1. Manual fire alarm stations will conform to the applicable requirements of UL 38 and UFC requirements referenced. Stations will be installed on surface mounted outlet boxes. Manual stations will be mounted at 48 inches above the finished floor. Stations will be double action type. Stations will be of plastic construction, finished in red, with raised letter operating instructions of contrasting color.

Stations requiring the breaking of glass or plastic panels for operation are not acceptable. Stations employing glass rods are acceptable. The use of a key or wrench will be required to reset the station. Gravity or mercury switched are not acceptable. Switches and controls will be rated for the voltage and current upon which they operate. Addressable pull stations will latch upon operation and remain latched until manually reset. Stations will have a separate screw terminal for each conductor. Surface mounted boxes will be matched and painted the same color as the alarm manual stations.

F. Notification Appliances:

1. Audible appliances will conform to the applicable requirements of UL 464 and

UFC requirements referenced. Devices will be connected to the notification appliance circuits. Deices will have a separate screw terminal for each conductor.

Surface mounted audible appliances will be painted red. All appliances are to be designated for outdoor installation.

i. Combination Audible/Visual Notification Appliances: Combination audible/visual notification appliances will be surface mounted with the matching mounting back box surface mounted. Bells will be suitable for use in an electrically supervised circuit. Bells will be the underdome type producing a minimum output rating of 85 dBA at 10 feet. Visual notification appliances will conform to the applicable requirements of UL 1971 and UFC requirements referenced and contract drawings. Appliances will have clear high intensity plastic lens, xenon flashing tubes, and output white light. Strobe flash rate will be between 1 to 2 flashes per second and a minimum of 75 candles. Combination devices will provide the same requirements, as individual units except they will mount as a unit in standard backboxes. Units will be factory assembled.

G. Smoke Detectors:

1. General: Include the following Features:

i. Operating Voltage: 24-V dc, nominal.

ii. Self-Restoring: Detectors do not require resetting or readjustment after actuation to restore them to normal operation.

12 Division 13 – Special Construction

iii. Plug-in Arrangement: Detector and associated electronic components are mounted in a module that connects in a tamper-resistant manner to a fixed base with a twist-locking plug connection. Terminals in a fixed base accept building wiring.

iv. Integral Visual-Indicating Light: LED type. Indicates detector has operated.

v. Sensitivity: Can be tested and adjusted in-place after installation.

2. Ionization Detector: Include the following features:

i. Responsive to both visible and invisible products of combustion.

ii. Self-compensating for changes in environmental conditions.

3. Duct Smoke Detector: Ionization type:

i. Sampling Tube: Design and dimensions as recommended by manufacturer for the specific duct size, air velocity, and installation condition where applied.

ii. Relay Fan Shutdown: Rated to interrupt fan motor-control circuit.

H. Fire Protection and Alarm System Peripheral Equipment:

1. Conduit: Conduit and fittings will comply with NFPA 70 and UL 6, and will be corrosion resistant.

2. Wiring: Wiring for 120 Vac power will be No. 12 AWG minimum. The SLC wiring will be copper cable in accordance with manufacturer’s requirements.

Wiring for fire alarm dc circuits will be No. 14 AWG minimum. Voltages will not be mixed in any junction box, housing, or device, except those containing power supplies and control relays. Wiring will conform to NFPA 70. System field wiring will be solid copper and installed in rigid plastic except where not allowed by NFPA 70. Conductors will be color coded. Where conductors are connected to existing circuits, the original color will be maintained. Conductors used for the same functions will be similarly color coded. Wiring code color will remain uniform throughout the circuit. Pigtail or T-tap connections to initiating device circuits, supervisory alarm circuits, and notification appliance circuits are prohibited.

PART 3- EXECUTION

A. Installation:

1. General:

i. All Work will be installed as shown on drawings and in accordance with the manufacturer’s diagrams and recommendations, unless otherwise specified.

ii. Install all items per Ft. Knox, UFC, and NFPA requirements: New Fire Alarm and Mass Notification System. Tie fire alarm to HVAC Trane “White Box” for shut down.

iii. Obsolete existing fire alarm systems will be removed from the facility after new system is operational. All existing and/or abandoned, visible equipment, conduit, and wire to be removed. No patching of walls or painting required.

iv. Locate devices for fire alarm per Ft. Knox, UFC, and NFPA requirements.

Section 13851- Fire Alarm Systems Cont.

v. It is the responsibility of the installing contractor to verify actual project conditions prior to beginning Work. Contractor will site verify all dimensions, 13 Division 13 – Special Construction measurements, and locations of existing facilities, utilities, equipment, and other conditions which may affect this Work.

vi. All smoke detectors will be located a minimum of 3 feet from any HVAC diffuser.

vii. All mounted appliances will be located 80 inches (minimum) and 96

(maximum) above the finished floor to the bottom of the device.

viii. All control module locations will be determined by contractor at the time of installation.

ix. The power circuit to the FACP and any remote fire alarm power supplies will be on a dedicated 120V, 20A circuit and will have RED marking warning;

Lock-on prevision will be identified as “Fire Alarm Control”. The location of the circuit will be permanently identified at the Fire Alarm Control Unit.

x. All wall mounted devices will be mounted at a uniform height in each room.

2. Conduit: Conduit size for wiring will be in accordance with NFPA 70. Conduit will be rigid steel. Installation of conduit will be in accordance with NFPA 70.

3. Wiring: Wiring for the alarm system will not be installed in conduits, junction boxes, or outlet boxes with conductors of lighting and power systems. Not more than two conductors will be installed under any device screw terminal. The wires under the screw terminal will be straight when placed under the terminal, then clamped in place under the screw terminal. The wires will be unbroken and not twisted around the terminal. Circuit conductors entering and leaving any mounting box, outlet box enclosure, or cabinet will be connected to screw terminals, with each terminal and conductor marked in accordance with the wiring diagram. Connections and splices will be made using screw terminal blocks. The use of wiring nut connections in the system is prohibited. Wiring within any control equipment will be readily accessible without removing any component part. The fire alarm equipment manufacturer’s representative will be present for the connection of wiring to the control panel.

4. Notification Appliances: Notification appliances will be mounted 80 inches above the finished floor or 6 inches below the ceiling, whichever in lower.

B. Testing and Inspection:

The Contractor will notify the cognizant engineer at least 10 calendar days before the preliminary and acceptance tests are to be conducted. The tests will be performed in accordance with the approved test procedures in the presence of the cognizant engineer. The Contractor will furnish instruments and personnel required for the tests.

1. Preliminary Tests: Upon completion of the installation, the system will be subjected to functional and operational performance tests, including tests for each installed initiating and notification appliance, when required. Tests will

14 Division 13 – Special Construction include the meggering of system conductors to determine that the system is free from grounded, shorted, or open circuits. The megger test will be conducted prior to connection to existing equipment and the installation of the new fire alarm equipment. If deficiencies are found, correction will be made and the system will be retested to assure it is functional. After completing the preliminary testing, the Contractor will provide written verification to the design engineer that 100% system test is complete and will submit the NFPA 72, Record of Completion.

2. Acceptance Test: Acceptance testing will not be performed until the Contractor has completed and submitted the Report of Completion. Testing will be in accordance with NFPA 72. The recommended tests in NFPA 72 will be considered mandatory and will verify that previous deficiencies have been corrected. The Contractor will complete and submit the NFPA 72, Inspection and

Testing Form. The test will include all requirements of NFPA 72 and the following:

a. Test of each function of the control panel.

b. Test of each new or modified circuit in both trouble and normal modes.

c. Tests of each new alarm notification appliance.

d. Tests of each new initiating device.

e. Tests of the battery charger and batteries.

f. Complete operational tests under emergency power supply.

g. Visual inspection of wiring connections.

h. Opening the circuit at each alarm-initiating device and notification appliance to test the wiring supervisory feature.

i. Ground fault.

j. Short circuit faults.

k. Stray voltage.

l. Loop resistance.

End of Section- 13851

15 Division 13 – Special Construction

SECTION 13915- FIRE SUPPRESSION PIPING

PART 1 - GENERAL

C. Summary:

1. This Section includes the following fire-suppression piping inside the building:

1. Wet-pipe sprinkler systems.

D. Related Sections:

1. Division 13, Section Fire Alarm Systems.

E. References:

2. Fire Suppression Piping System will be install in accordance with the following:

l. UFC 1-200-01, Change 2, 28 November 2011: General Building

Requirements.

m. UFC 3-520-01, Change 2, 1 July 2012: Interior Electrical Systems.

n. UFC 3-600-01, Rev. Nov. 28, 2016: Fire Protection Engineering for

Facilities.

o. UFC 4-010-01, 9 February 2012: DOD Minimum Antiterrorism Standards for

Buildings.

p. UFGS 28 31 76, August 2011: Interior Fire Alarm and Mass Notification.

q. UFGS 4-610-01, 6 May 2008: Administrative Facilities.

r. Project Specific Requirements, Fort Knox, 30 January 2013.

s. NFPA 72, Fire Alarm Systems, 2013 Edition.

t. NFPA 70, Electrical Code, 2012 Edition.

u. NFPA 13, Sprinkler Systems, 2013 edition.

v. Ft. Knox Fire Prevention Criteria.

F. System Description:

1. Wet-Pipe Sprinkler System: Automatic sprinklers are attached to piping containing water and that is connected to water supply. Water discharges immediately from sprinklers when they are opened. Sprinklers open when heat melts fusible link or destroys frangible device. Hose connections are included if indicated.

2. Dry-Pipe Sprinkler System: Automatic sprinklers are attached to piping not containing water and that is connected to wet-piping system. Piping is filled with air and will discharge water immediately from sprinklers when they are opened.

Sprinklers open when heat melts fusible link or destroys frangible devices. Dry-pipe systems are to be installed in non-conditioned areas of the building where a wet-pipe system is not appropriate due to freezing conditions.

3. Provide seismic bracing per NFPA 13 for zone: Moderate Low.

G. Performance Requirements:

1. Standard Piping System Component Working Pressure: Listed for at least 175 psig.

16 Division 13 – Special Construction

Section 13915- Fire Suppression Piping Cont.

2. Fire-Suppression sprinkler system design will be approved by authorities having jurisdiction.

1. Margin of Safety for Available water Flow and Pressure: Provide positive pressure cushion, including losses through water-service piping, valves, and backflow preventers.

2. Sprinkler Occupancy Hazard Classifications:

a. Refer to UFC for hazard classifications.

3. Minimum Density for Automatic-Sprinkler Piping Design:

a. Refer to UFC.

4. Maximum Protection Area per Sprinkler:

a. Office Spaces: 225 sq. ft.

b. Storage Areas: 130 sq. ft.

2. Other Areas: According to NFPA 13 recommendations, unless otherwise indicated.

H. Submittals:

1. Product Data: For the following:

a. Valves, including listed fire-protection valves, unlisted general-duty valves, and specifically valves and trim.

b. Sprinklers, escutcheons, and guards. Include sprinkler flow characteristics, mounting, finish, and other pertinent data.

c. Fire department connections, including type: number, size, and arrangement of inlets; caps and chains; size and direction of outlet; escutcheon and marking, and finish.

d. Alarm devices, including electrical data.

2. Approved Sprinkler Piping Shop Drawings: Working plans, prepared according to

UFC 3-600-01, NFPA 13 and Fort Knox Fire Prevention Criteria, that have been approved by authorities having jurisdiction, including calculations, if applicable.

3. Field Test Reports and Certificates: Indicate and interpret test results for compliance with performance requirements and as described in NFPA 13. Include

“Contractor’s Material and Test Certificate for Aboveground Piping” and

“Contractor’s Material and Test Certificate for Underground Piping”.

4. Field quality-control reports.

5. Operation and Maintenance Data: For sprinkler specialties to include emergency operation, and maintenance manuals.

I. Quality Assurance:

1. Installer Qualifications:

a. Installer’s responsibilities include designing, fabricating, and installing fire-suppression systems and providing engineering services needed to assume engineering responsibility. Base calculations on results of fire-hydrant flow test. Contact Hardin County Water District #1.

1. Engineering Responsibility: Preparation of working plans, calculations, and field test reports by a qualified engineer.

17 Division 13 – Special Construction

2. UFC and NFPA Standards: Fire-suppression –system equipment, specifications, accessories, installation, and testing will comply with the following:

a. NFPA 13, “Installation of Sprinkler Systems”.

b. UFC 3-600-01.

c. UFC 20

J. Coordination:

1. Coordinate layout and installation of sprinklers with other construction including structural components, items that penetrates ceilings, including light fixtures, HVAC equipment, and partition assemblies.

PART 2 - PRODUCTS

A. Ductile-Iron Pipe and Fittings:

1. Push-on-Joint, Ductile-Iron Pipe: AWWA C151, with push-on-joint bell end and plain end.

a. Mechanical Joint, Ductile Iron Fittings.

b. Gaskets: AWWA C111, rubber.

B. Steel Pipe and fittings:

1. All pipe and fittings to be domestic. Up to 2” Schedule 40 ASTM A-53 Black steel; 125# cast iron screwed fittings, ASTM A-135 black steel with Victaulic approved fittings. 2-1/2” and larger, Schedule 40 black steel with flanged, welded or Victaulic approved fittings or Schedule 10 ASTM A-135 black steel with

Victaulic approved fittings. Cast Iron Fittings; Ward or equivalent.

C. Sprinkler Specialty Fittings:

1. Sprinkler specialty fittings will be UL listed or FMG approved, with 175-psig minimum working-pressure rating, and made of material compatible with piping.

Sprinkler specialty fittings will have 250-psig minimum working pressure rating if fittings are components of high-pressure piping system.

2. Sprinkler Drain and Alarm Test Fittings: Cast- or ductile-iron body; with threaded or locking-lug inlet and outlet, test valve, and orifice and sight glass.

3. Provide 1” brass or bronze full port ball valve. Provide site glass with orifice or fitting on exterior of building with sprinkler head that has the frame and deflector removed. Locate at the remote end of each system.

D. Listed Fire-Protection Valves:

1. Valves will be UL listed or FMG approved, with 175-psig minimum pressure rating. Valves will have 250-psig minimum pressure rating if valves are components of high-pressure piping system.

2. Ball Valves: Comply with UL 1091, except with ball instead of disc.

a. NPS 1-1/2 and Smaller: Bronze body with threaded ends.

b. NPS 2 and NPS 1 ½: Bronze body with threaded ends or ductile-iron body with grooved ends.

18 Division 13 – Special Construction

3. Butterfly Valves: UL 1091.

a. NPS 2 and Smaller: Bronze body with threaded ends.

b. NPS 2 ½ and larger: Bronze, cast-iron, or ductile-iron body; wafer type or with flanged or grooved ends.

4. Check Valves NPS 2-1/2 and Larger: UL 312, swing type, cast or ductile iron body with flanged or grooved ends.

a. NPS 2” and smaller to be bronze of brass body, swing type with threaded ends.

5. Gate Valves: UL 262, OS&Y type.

a. NPS 2 and Smaller: Bronze body with threaded ends.

b. NPS 2 1/2 and Larger: Cast-iron body with flanged ends.

6. Indicator Valves: UL 1091, with integral indicating device and ends matching connecting piping.

a. Indicator: electrical, 115-V, AC, prewired, single-circuit, supervisory switch.

b. NPS 2 or Smaller: Ball or butterfly valve with bronze body and threaded ends.

c. NPS 2 1/2 and Larger: Butterfly valve with cast- or ductile-iron body, wafer type or with flanged or grooved ends.

E. Backflow Prevention Devices

1. Double check backflow preventer with supervised flanged or grooved valves.

2. Provide full flow test connection, per NFPA and Ft. Knox Fire Prevention Criteria.

F. Specialty Valves:

1. Sprinkler System Control Valves: UL listed or FMG approved, cast- or ductile-iron body with flanged or grooved ends, and with 175-psig minimum pressure rating. Control valves will have 250-psig minimum pressure rating if valves are components of high-pressure piping system.

G. Sprinklers:

1. Sprinklers will be UL listed or FMG approved, with 175-psig minimum pressure rating. Sprinklers will have 250-psig minimum pressure rating if sprinklers are components of high-pressure system.

2. Automatic Sprinklers: With heat-responsive element complying with the following:

1. UL 199, for nonresidential applications.

3. Sprinkler Types and Categories: Nominal 1/2 inch orifice for “Ordinary” temperature classification rating, unless otherwise indicated or required by application.

4. Sprinkler Types, Features, and Options as follows:

a. Pendent Sprinklers.

b. Recessed Sprinklers, including escutcheon.

c. Sidewall Sprinklers and Upright Sprinklers.

5. Sprinkler Finishes: Chrome plated, bronze.

6. Special Coatings: Wax, lead, and corrosion-resistant paint.

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7. Sprinkler Escutcheons: Materials, types, and finished for the following sprinkler mounting applications. Escutcheon for concealed, flush, and recessed-type sprinklers are specified with sprinklers.

a. Ceiling Mounting: Chrome-plated steel, one piece, flat.

b. Sidewall Mounting: Chrome=plated steel, one piece flat.

8. Sprinkler Guards: Wire-cage type, including fastening device for attaching to sprinkler.

H. Fire Department Connections: Wall Mount:

1. Siamese, Fire Department Connection: UL 405, 175-psig minimum pressure rating; with corrosion-resistant-metal body, brass inlets with threads according to

NFPA 1963 and match local fire department sizes and threads, and bottom outlet with pipe threads.

2. Provide Ft. Knox Caps; Brushed Stainless.

I. Alarm Devices:

1. Alarm-device types will match piping and equipment connections.

2. Water-Flow Indicator: UL 346, electrical-supervision, paddle-operated-type, water-flow detector with 250-psig pressure rating and designed for horizontal or vertical installation. Include two single-pole, double-throw circuit, switches for isolating alarm and auxiliary contacts, 7A, 125-V, AC and 0.25 A, 24-V DC;

complete with factory-set, field-adjustable retard element to prevent false signals and tamperproof cover that sends signal if removed.

J. Dry-Pipe Valve Systems:

1. Dry Pipe Valves: All valves must be UL Listed and FM Approved. Reliable, Tyco, Viking or approved equal.

2. Air Compressor: Furnish and install an air compressor adequately sized as required for the proposed installation and NFPA13. Unit shall be 120V/1/60.

Locate adjacent to the dry risers.

3. Air Maintenance Devices: Provide AMD for each riser. Match dry pipe valve

Manufacturer.

4. Interior Pipe and Fittings: All piping to be Schedule 40 ASTM, A-53 black steel.

Screwed fittings to be cast iron.

5. Grooved Fittings to be Victaulic or similar approved style. Valves, pipe and fittings to be American made.

6. Follow guidelines of The UFC 3-600-01, 26 September 2006, Change 3, March

2013 and NFPA 13.

K. Inspector’s Test:

1. Dry-Pipe: Required by NFPA 13. Wet Pipe: Required by Fort Knox Sprinkler

Design Specifications.

2. Configuration per NFPA 13.

3. Purposes:

a. Ability to test the sprinkler system’s alarm waterflow device.

20 Division 13 – Special Construction

b. Test the opening of a dry-pipe or pre-action valve (for dry-pipe or pre-action systems).

c. Test the trip time from when the valve is opened to the arrival of water, where necessary.

d. Can aid in venting trapped air.

2. The Inspector’s Test can be coupled as an air vent for a wet system or an auxiliary drain.

3. Inspector’s Test will discharge water during the test or draining of the dry-pipe and wet-pipe systems and will be routed to the outside the building.

4. Discharge will be at grade. A splash block will be provided at the discharge pipe.

5. Inspector’s Test will be located at the most remote location of each branch line on each floor, remote from the riser.

PART 3 – EXECUTION

A. Preparation:

1. Refer to actual fire-hydrant flow tests. Hardin County water District will provide this upon request.

B. Piping Applications, General:

1. Flanges, flanged fittings, unions, nipples, and transition and special fittings with finish and pressure ratings same as or higher than system’s pressure rating may be used in aboveground applications unless otherwise indicated.

2. Piping between Fire Department Connections and Check Valves: Galvanized, standard-weight steel pipe with threaded ends; cast- or malleable-iron threaded fittings; and threaded joints.

3. Underground Service-Entrance Piping: Ductile-iron, push-on-joint pipe and fittings and restrained joints.

4. Piping will be C-900 push on joint pipe to the building.

5. Provide ductile iron under the footing and through the slab.

C. Sprinkler System Application:

1. Standard-Pressure, Wet-Pipe Sprinkler System, 175-psig Maximum Working

Pressure:

a. Listed Fire-Protection Valves: UL Listed and FMG approved for applications where required by NFPA 13.

1. Shutoff Duty: Use ball, butterfly, or gate valves.

b. Unlisted General-Duty Valves: For applications where UL-Listed and FMG approved valves are not required by NFPA 13.

1. Shutoff Duty: Use ball, butterfly, or gate valves.

2. Throttling Duty: Use ball or globe valves.

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D. Joint Construction:

1. Refer to Division 23, Section “Basic Mechanical Materials and Methods” for basic piping joint construction.

2. Threaded Joints: Comply with NFPA 13 for pipe thickness and threads. Do not thread pipe smaller than NPS 8 (DN 200) with wall thickness less than Schedule

40, unless approved by AHJ and threads are checked by a rating gage complying with ASME B1.20.1.

E. Service-Entrance Piping:

1. Connect fire-suppression piping to water-service piping of size and in location indicated for service entrance to building. Refer to Division 33, Section “Common

Work Results for Utilities” for exterior piping.

2. Install shutoff valve, backflow preventer, pressure gage, drain, and other accessories where indicated on drawings. Refer to Division 33, Section “Common

Work Results for Utilities” for backflow preventers.

3. Install full flow test connection per NFPA 13.

F. Piping Installation:

1. Refer to Division 22, section “Basic Mechanical Materials and Methods” for basic piping installation.

2. Install underground ductile-iron service-entrance piping according to NFPA 24 and with reductions in pipe sizes.

3. Use approved fittings to make changes in direction, branch takeoffs from mains, and reductions in pipe sizes.

4. Install unions adjacent to each valve in pipes NPS 2 and smaller. Unions are not required on flanged devices or in piping installations using grooved joints.

5. Install flanges or flanged adapters on valves, apparatus, and equipment having

NPS 2-1/2 and larger.

6. Install “Inspector’s Test Connections” in sprinkler system piping, complete with shutoff valve, sized and located according to NFPA 13.

7. Install alarm device in piping systems.

8. Hangers and Supports: Comply with NFPA 13 for hanger materials.

a. Install sprinkler system piping according to NFPA 13.

9. Fill wet-pipe sprinkler system piping with water.

G. Valve Installation:

1. Install listed fire-protection valves, unlisted general-duty valves, specialty valves and trim, controls, and specialties according to NFPA 13.

2. Install listed fire-protection shutoff valves supervised-open, located to control sources of water supply except from fire department connections. Install permanent identification signs indicating portion of system controlled by each valve.

22 Division 13 – Special Construction

3. Specialty Valves:

a. Riser Check Valves: Install in vertical position for proper direction of flow, including gages and outlet for the 2 inch main drain and a flow switch.

H. Sprinkler Applications:

1. Unless otherwise indicated, sprinkler type as follows:

a. Rooms without Ceilings: Upright sprinklers.

b. Rooms with Suspended Ceilings: Recessed sprinklers.

c. Wall Mounting: Sidewall sprinklers.

d. Sprinkler finishes:

1. Upright and Sidewall Sprinklers: Chrome plated in finish spaces exposed to view, rough bronze in unfinished spaces not exposed to view.

2. Recessed Sprinklers: Bright chrome, with bright chrome escutcheon.

I. Sprinkler Installation:

1. Install sprinklers arranged per fire-suppression requirements.

J. Fire Department Connection Installation:

1. When site conditions require the installation of free standing-type, fire department connection in lieu of the typical recessed-in=building type connection installation, install freestanding-type, fire department connection in level surface.

2. Install protective pipe bollards on two sides of free-standing type fire department connection.

K. Connections:

1. Install piping adjacent to equipment to allow for easy service and maintenance.

2. Connect water-supply piping to fire-suppression piping. Include backflow preventer between potable-water piping and fire-suppression piping.

3. Connect piping to specialty valves, hose valves, specialties, fire department connections, and accessories.

4. Connect wiring according to Division 26, Section “Conductors and Cables”.

5. Tighten electrical connections and terminals according to manufacturer’s published torque-tightening values. If manufacturer’s torque values are not indicated, use those specified in UL 486A and UL 486B.

L. Labeling and Identification:

1. Install labeling at the valves and devices at the riser and inspection test in accordance with NFPA 13.

M. Field Quality Control:

1. Perform the following field tests and inspections. Prepare test reports.

a. Leak Test: After installation, charge system per NFPA 13 requirements and check for leaks. Repair leaks and retest until no leaks exist.

b. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and equipment.

23 Division 13 – Special Construction

c. Flush, test, and inspect sprinkler systems according to NFPA 13, “Systems

Acceptance” chapter.

d. Coordinate with fire alarm tests. Operate as required.

e. Verify that equipment hose threads are same as Ft. Knox fire department equipment.

2. Report test results promptly and in writing to Ft. Knox fire department and AHJ.

N. Cleaning and Protection:

1. Clean dirt and debris from sprinklers.

2. Remove and replace sprinklers with paint that is other than factory finish.

3. Protect sprinklers from damage during remaining construction period and until

Substantial Completion.

End of Section- 13915