Gen_2_TPS_Requirements_v_B-F_3-08-18.pdf

FEDERAL EMERGENCY MANAGEMENT AGENCY

REQUIREMENTS FOR

TANK & PUMP SYSTEM

Revision B-F

8 March 2018

Tank and Pump System Requirements Revision B-F

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DOCUMENT REVISION HISTORY:

This table tracks revisions and changes made to this document over time.

Date Sections Revised Revision Explanation

8/11/2016 Initial Request for Information

8/22/2016 Multiple.

Various revisions to requirements in response to comments received. Multiple editorial corrections (not noted as Sections Revised).

10/04/2016 2.7.4, Diagram 10 Added requirements for location of water hose temperature.

10/10/2016 2.9.11 Added requirements for power supply verification.

7/15/2017 2.4.7, 2.6.10, 2.11.5, 3.6.4.6, 5.3.5, 5.3.7, Diagram 12

Added 5 micron water filter for tank fill line.

Added US 50 mesh strainer to protect small orifice components.

Revised hose connections to be cam-locking connections.

Deleted 6” PVC elbows from parts list.

Added pipe insulation for tie-down strap cushioning and cam-locking male connection to parts list.

Added No Open Flames sign.

7/21/2017 2.11.5, 5.3.3, 7.1.1

Revised materials and finish for cam-locking connections.

Added spare cam-locking fittings with male NPT to parts kit.

Added option for delivery to other locations.

10/11/2017 2.4.7, 2.9.12, 2.9.13 Added requirements for tamper resistant water tank opening, surge protection, and automatic restart after power failure.

3/03/2018 5.3.8 Added requirement for spare water filter cartridge.

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CONTENTS

1. OVERVIEW

2. REQUIREMENTS

2.1 General Requirements

2.2 Applicable Standards

2.3 Operating Environment

2.4 Tank Requirements

2.5 Water Pump Requirements

2.6 Piping Requirements

2.7 Control Requirements

2.8 Enclosure Requirements

2.9 Electrical Requirements

2.10 Electrical Wiring Assembly

2.11 Water Hose Assembly

2.12 External Alarm Panel

2.13 Alarms

2.14 Alarm Silence Feature

2.15 Thermal Protection

2.16 Tamper Protection

2.17 Test Requirements

3. DOCUMENTATION AND LABELING

3.1 Overview

3.2 Design Documentation

3.3 Operation Documentation

3.4 Parts List:

3.5 Tool List:

3.6 Labeling

4. QUALITY CONTROL

5. PARTS AND INSTALLATION KIT:

6. PACKAGING:

7. DELIVERY, TRANSPORTATION AND

STORAGE

7.1 Delivery:

7.2 Storage:

7.3 Transportation:

7.4 Stacking:

8. INSPECTION, REPAIR, MAINTENANCE,

ENHANCEMENT AND REFURBISHMENT

9. SERIAL NUMBERS

10. ACRONYMS

11. APPENDIX - DIAGRAMS

2.1 Diagram 1. TPS Enclosure Concept

2.2 Diagram 2. TPS Base Top View

2.3 Diagram 3. TPS Long Side View

2.4 Diagram 4. TPS Short Side View

2.5 Diagram 5. TPS Skid/Base Detail

2.6 Diagram 6. TPS Component Location ... 37

2.7 Diagram 7. Out-of-Level Door Operation

Test

2.8 Diagram 8. Cable Illustration

2.9 Diagram 9. Installation of Heat Trace

Cable on Water Hose

2.10 Diagram 10. Temperature Sensor

Position

2.11 Diagram 11. Manufactured Home Roof

Bracket

2.12 Diagram 12. Warning Signs and Labels . 43

1. OVERVIEW

1.1 A key part of the Federal Emergency Management Agency’s (FEMA) mission is to assist disaster survivors to recover from the event and move toward returning to their pre-disaster status as quickly as possible. As part of the recovery effort, FEMA assists survivors in moving from shelters to temporary housing as quickly as possible. FEMA’s mission covers the entire United States and territories.

1.2 One of the options that FEMA uses within the Contiguous U.S. for temporary housing is manufactured homes. Manufactured homes are built to comply with 24 CFR 3280, the Manufactured Home Construction and Safety Standard (the Standard). The Standard is silent on the inclusion of residential fire sprinklers.

1.3 FEMA has determined that the agency will equip manufactured housing units (MHUs) used as temporary housing with residential fire sprinkler systems. The sprinkler systems are in compliance with National Fire Protection Association (NFPA) Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes - NFPA 13D.

1.4 FEMA has determined that an external Tank and Pump System (TPS) will be provided with the MHU to ensure a consistent and adequate water supply. The TPS will provide adequate water flow, pressure and quantity to meet the operational requirements set forth by FEMA and in NFPA 13D.

1.5 FEMA has developed requirements for the TPS that will allow the MHU manufacturers to plan the NFPA 13D sprinkler system. The TPS requirements will have water pressure and flow requirements, an environmental envelop, water capacity minimums, maximum electrical power available, transportation requirements, and specific connections for electricity and water.

1.6 FEMA can use this contract to meet requirements of the manufactured home mission or any other legal mission assigned to FEMA.

2. REQUIREMENTS

2.1 General Requirements.

2.1.1 The TPS shall provide a pressure and flow rate of no less than 40 psig at 30 GPM.

Pressure and flow shall be measured at the end of the 1-1/2” diameter x 30 feet long flexible water hose, five feet above the level of pump discharge.

2.1.2 The TPS shall require only two connections to the MHU: 1) the electrical connection which will provide power to the TPS from the MHU; and, 2) a water connection that will provide the water required to the NFPA 13D fire sprinkler system in the MHU.

2.1.3 The TPS package shall be a fully integrated subsystem that when mated to an NFPA 13D fire sprinkler equipped manufactured home, the MHU and the TPS shall be fully

NFPA 13D compliant without the need to connect the MHU sprinkler system to either the public water system or well water.

2.1.4 TPS shall be fully assembled and tested when delivered to FEMA. Exceptions are noted in this document.

2.1.5 Installation shall be able to be completed in the field (at the site where the manufactured home is installed) using standard hand tools. If any special tool is required for installation, it shall be included as part of the TPS.

2.1.6 The TPS shall come equipped with a thermally protected (meeting the requirements set forth below) flexible water hose assembly that shall be used to attach the TPS to the sprinkler riser on the underside of the manufactured home.

2.1.7 The water hose assembly shall be shipped inside the TPS enclosure fully prepared to be easily connected to the MHU and the TPS (if not pre-connected).

2.1.8 The TPS shall be designed to operate from a single phase, 30 amp, 240 Volt 60 Hz electrical service utilizing IEC 60-309-2 pin and sleeve connections.

2.1.9 The TPS shall have a low temperature alarm that activates if the temperature inside the TPS or in the flexible hose assembly drops below 40°F. The alarm shall be audible and visual, and shall have a ‘silence’ or ‘mute’ feature for the audible alarm. The silence feature shall turn off the audible portion of the low temperature alarm for a fixed time period.

2.1.10 The TPS shall be protected against tampering, and shall be accessible for testing and service. The door to the TPS shall be secured by a dead-bolt lock, keyed as described herein.

2.1.11 The TPS shall have a pump test loop that flows not more than 14 GPM to simulate a sprinkler activation. The orifice size in the test loop shall be determined based on the water pressure available inside the TPS. Operation of the test loop shall activate the fire alarm(s) and allow the water to return to the storage tank.

2.1.12 The TPS system shall be designed to be installed directly on the ground. TPS shall be fully functional when installed on a base or pad where the grade varies by one inch over the length of the TPS enclosure, in either one direction or in both directions simultaneously.

2.1.13 The TPS shall include features allowing the TPS to be secured to the ground.

2.1.14 The TPS shall have an integrated skid/base that serves to protect the TPS during shipping and as a stable base for shipping and installation.

2.1.15 The TPS shall be capable of being lifted and transported by standard length (42 inch) fork lift forks (tines). Channels for the forks on the underside of the TPS shall not be less than 4 inches high or less than 8 inches wide to allow clearance for tine entry.

2.1.16 The TPS shall be designed and equipped to be lifted by a crane, hoist, or other lifting device. A minimum of three sling attachment points shall be permanently installed above the center of gravity. Any two of these lift points shall be structurally capable of carrying the entire weight of the empty TPS (as shipped). The TPS O&M manual shall describe the required sling(s) specifications, spreader bar length, TPS weight, TPS center of gravity location, lifting points, and procedures that will permit safely lifting in full compliance with OSHA requirements.

2.1.17 The contractor shall balance storage and transportation needs against inspection, maintenance and ongoing testing needs. Ensure that key components such as the pump can be removed if service or replacement is required.

2.1.18 All IEC 603-09-2 Pin and Sleeve connectors shall use pin pattern standard for 4 wire, 30 AMP, Single Phase, 12 hour ground position (per IEC 60 309-2 “Clock), power.

Similar to Leviton 430B12W.

2.1.19 The TPS exterior shall be designed to make it difficult for an individual to climb up wall and onto the roof. No toe or foot holds should be present on the walls or door.

Protrusions exceeding ½ inch from the plane of the wall surface are strongly discouraged.

2.1.20 The TPS exterior shall be designed to minimize damage during transportation of the TPS unit.

2.1.20.1 The TPS shall be fabricated with an integral skid/base designed to support the weight of a fully loaded TPS and to provide a 6 inch buffer space all around the TPS. See Diagram 1 through Diagram 5 for illustration of TPS concept and arrangement.

2.2 Applicable Standards

2.2.1 NFPA 13D Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes.

2.2.2 24 CFR 3285 Model Manufactured Home Installation Standard.

2.2.3 24 CFR 3280 Manufactured Home Construction and Safety Standards.

2.2.4 ANSI A-A-59326.

2.2.5 NEC – National Electrical Code, NFPA 70.

2.2.6 IEC 603-09-2 -international standard from the International Electrotechnical Commission.

2.3 Operating Environment

2.3.1 The TPS shall be designed to operate year round anywhere within the contiguous United States. It shall function as intended in ambient temperatures of – 35°F to + 120°F, with full exposure to solar radiation. It shall function as intended at any relative humidity between 5% RH and 100% RH.

2.3.2 The TPS enclosure shall be designed to operate and to be stored outside, exposed to all elements.

2.3.2.1 Electrical and electronic components pump seals, gaskets, and other materials shall be rated for storage and use in the temperatures that the TPS may experience during use. Testing of similar enclosures by the US military has shown that average internal temperatures during summer can reach 140°F, with peak temperatures of 180°F near the ceiling. Electrical and electronic components pump seals, gaskets, and other materials shall be rated for storage and use in these temperatures.

2.3.2.2 Where the TPS enclosure is ventilated to prevent internal overheating above ambient temperature, the internal parts and components may be rated for use at 104°F.

2.3.3 FEMA plans on performing environmental testing of randomly selected TPS units from each manufacturer. Testing will include not less than 24 hours at the extreme ends of the temperature limits described in Section 2.3.1. High temperature testing will include solar load equivalent to that in a high-desert environment in Arizona.

Submission of calculations or verification of the TPS ability to operate in the environmental conditions required is not required as part of this solicitation.

However, manufacturers will be required to remediate any discrepancies discovered during the environmental testing at no additional cost to the government.

2.4 Tank Requirements

2.4.1 The tank shall have a minimum useable capacity of 250 gallons US.

2.4.2 It shall be easy to check the water level in the tank. The tank shall have clearly visible and prominent permanent markings in a color that contrasts with the color of the tank to indicate maximum and minimum fill levels. Adhesive labels, if used, shall be capable of staying securely in place at 180°F.

2.4.2.1 The tank shall have provisions to direct overfill water to a location where the water will not damage the TPS or its components.

2.4.3 TPS design shall include a hard-piped connection suitable for the pump to draw not less than 30 GPM from the tank. Pump inlet shall be located to preclude drawing sludge or debris from the bottom of the tank into the pipe and/or pump; and to prevent siphoning air into the pump inlet, until not less than 210 gallons of water have been delivered to the sprinklers inside the home.

2.4.4 Water tanks shall be designed to be filled manually using a garden hose connected to a standard hose bib on the MHU. The fill connection inside the TPS shall be equipped with a swivel female connection, gasket, and valve to facilitate connection of the garden hose.

2.4.5 Water tanks shall have a drain valve so that the tank can be drained when the TPS is decommissioned. Drain shall be configured to permit removal of all water from the tank, pump, and piping. Drain shall be arranged to prevent water spilling inside the

TPS.

2.4.6 The water tank shall not be insulated, but a means to ensure that the water inside the tank remains at or above 42°F shall be in integral part of the TPS. Both tank immersion heaters and room heaters for the interior of the TPS are acceptable. If an immersion heater is used, it shall be configured to shut off when the heating element is not immersed in water.

2.4.7 A 5 micron sediment filter shall be provided and installed as part of the tank fill plumbing. A high flow rate filter is preferred since it will expedite the TPS Acceptance Testing and tank fill processes. This can be a simple whole-house sediment filter from a home improvement store. A replaceable filter cartridge is required. The opening at the top of the water tank shall be tamper resistant to dissuade operators from filling the TPS via the top of the tank instead of the provided fill port.

2.5 Water Pump Requirements

2.5.1 The minimum flow rate of the water pump shall be 30 GPM at 40 psig, measured at the far end of the 1-1/2” diameter x 30 ft. long water hose assembly, five feet (5’) above the level of the pump discharge.

2.5.2 Pump shall be not less than 1 HP.

2.5.3 Pump motor shall be 60 HZ, single-phase, 230/240 Volt.

2.5.4 Pump motors shall be enclosed in a minimum NEMA Open Drip Proof (ODP) enclosure.

2.5.5 Pump controls shall include a minimum run time timer. The minimum run time timer shall be set to 2 minutes.

2.6 Piping Requirements

2.6.1 The piping inside the TPS shall include all hardware and valves necessary to permit a garden hose to pressurize the water hose assembly and sprinkler system in the

MHU.

2.6.2 FEMA has encountered municipal water systems that provide 95 psi static pressure.

All piping, tubing, and hose that can be pressurized by the garden hose connection shall be hydrostatically tested to not less than 100 psi.

2.6.3 The connection inside the TPS for the water hose assembly shall be a galvanized pipe union. Where dissimilar metals are used, provide a dielectric pipe union. Joints in the piping that are not intended to be made up in the field and that are factory installed may use groove couplings or other recognized pipe joinery methods.

2.6.4 The connection inside the TPS for the water hose assembly shall be located within easy reach of the TPS door. When a standard pipe coupling is used, there shall be adequate space around the connection to permit a 14-inch pipe wrench to make not less than ¼ turn around the connection without obstruction when making or breaking the connection.

2.6.5 The connection inside the TPS for the water hose assembly shall be located so that the hose assembly can be easily routed to the exterior through either of the two access panels in the side of the TPS wall. Provide swivels or other means to prevent stress or kinks in the hose.

2.6.6 There shall be a normally open control valve to isolate the hose assembly from the TPS piping and tank for maintenance.

2.6.7 The piping shall be configured to permit replacement of the pump without draining the tank.

2.6.8 RESERVED.

2.6.9 The TPS shall have a pump test loop that flows not more than 14 GPM to simulate a sprinkler activation. The orifice size in the test loop shall be determined based on the water pressure available inside the TPS, not the pressure at the end of the hose, to ensure proper water flow rate. Operation of the test loop shall activate the fire alarm(s) and allow the water to return to the storage tank.

2.6.10 Solenoid valves, pressure gauges, pressure sensors, and other small-orifice devices shall be protected against clogging by a Y-strainer with a US 50 Mesh strainer to prevent clogging of the small passageways.

2.7 Control Requirements

2.7.1 RESERVED.

2.7.2 The TPS shall include all system control and test features required by NFPA 13D, as well as those other features included in this document.

2.7.3 The TPS shall include all controls for the thermal protection system for the interior of the TPS.

2.7.4 The TPS shall include all controls required for the thermal protection system required for the flexible hose between the TPS and the MHU. The thermostat or temperature sensor attached to the hose shall be located on the hose to preclude location below grade when the TPS is installed. See Diagram 10.

2.7.5 The TPS shall include all controls for any alarm system included in the TPS.

2.7.6 To ensure ease of installation, the TPS controls and systems shall be designed to be activated by a single switch that will initialize all systems and components of the TPS. Onsite programming as a normal startup procedure of the TPS is prohibited.

2.7.7 When commercial off-the-shelf heaters are used, the thermostat set point required to maintain the TPS temperature shall be clearly and unambiguously marked.

2.7.8 Pressure switches, water flow switches, thermostats, and any other device that can be adjusted shall be adjusted for proper operation at the factory. The startup instructions shall not require the installer to make any adjustments as a normal course of action. The troubleshooting section of the operation and maintenance manual should clearly describe when adjustments are necessary and how to perform them.

2.8 Enclosure Requirements

2.8.1 Diagram 1 through Diagram 6 illustrate the desired TPS concept and arrangement.

2.8.2 The TPS including the water tank(s); pump(s); associated piping; electrical system;

heating system; alarm controls; and, water and electrical connections shall be fully surrounded by a rigid weather resistant enclosure.

2.8.2.1 For purposes of this requirement weather resistance shall mean protection against wind, blowing dust, rain, hail, snow, UV light and temperature.

2.8.3 The TPS enclosure shall provide access for maintenance, repair and testing. Access shall be provided via a door that permits all normal maintenance activities to be accomplished without disassembly of the enclosure.

2.8.3.1 The door and door frame shall be dimensionally stable during exposure to the temperature range described herein, as well as during extended periods of use in environments with 100°F and 100% relative humidity. Doors and frames shall not swell, warp, or twist so as to impede operation. Doors shall be operable at all times without the need for undue force.

2.8.3.2 Doors, door locks, latches, and all other TPS components shall be operable when the TPS is installed on an out of level surface, base, or pad where the grade varies by one inch over the length of the TPS enclosure, in any single plan dimension, or in both plan dimensions simultaneously. Demonstrate out-of-level door, lock, and latch function by performing the out-of-level test on one completed TPS. Test shall be conducted as described in Diagram 7. Test block shall be fabricated from a standard 2x4, 6 inches long. Door performance is acceptable if the lock and latch function during each of the eight tests, and the door can be opened and closed fully with not more than 15 pounds force.

2.8.3.3 It is preferred that the door to the TPS shall be equipped with a dead bolt lock and a recessed or fold-away pull-handle. The lock and pull-handle to open the door shall not protrude more than ¾ inch from the surface of the door to prevent damage during shipping. Other locking arrangements may be submitted for review and approval by FEMA’s COR.

2.8.3.4 Lock shall be “SCHLAGE” brand, 6-pin Everest cylinders with a C123 keyway that shall be keyed to a 6-pin combination. The key combination shall be “746105” for all locks required on the TPS.

2.8.4 The enclosure shall be insulated. Insulation shall not be exposed, and shall be covered by a rigid or semi-rigid waterproof material, on both inside and outside surfaces. Thermal performance of the enclosure insulation shall be coordinated with the TPS heating system to provide an integrated freeze-protection system.

2.8.5 Pass-through openings: The enclosure shall have two pass-through openings designed to permit both the insulated hose assembly and the 30 Amp electrical wiring assembly to pass through the wall of the TPS. The openings shall be framed, and shall be sealed by a metal plate to prevent intrusion of vermin or water; the plate shall be tamper proof, and shall be simple to remove from the frame during the installation process.

2.8.5.1 The pass-through openings shall be insulated to ensure the integrity of the thermal protection of the TPS enclosure, both when the pass-through opening is sealed closed, and when the pass-through opening is in use to pass the hose/wire assemblies through the opening.

2.8.5.2 One pass-through opening shall be located on each side wall of the TPS. The rearmost edge of the pass-through openings shall be located within 12 inches of the wall on the rear (door) side of the TPS. The bottom edge of the pass-through opening frames shall be located not more than 12 inches above the top of the TPS skid/base assembly / bottom of the TPS enclosure.

2.8.5.3 The TPS shall be provided with one closure device for the pass-through opening.

The closure device shall be simple to install in the pass-through opening after the metal plate is removed. The closure device shall be tamper proof when installed.

The closure device shall have a 6-inch diameter PVC pipe flange on the exterior side that will be used by the installation contractor to affix a PVC pipe shroud around the hose assembly during installation. The closure device shall be insulated to maintain the thermal integrity of the enclosure. The PVC pipe flange may be attached to the exterior of the TPS wall instead of on the closure device at manufacturer’s discretion. The 6-inch buffer space required in 2.8.8 is required beyond the flange.

2.8.6 The enclosure roof shall withstand a live load of 40 pounds per square foot. Roof shall be designed to resist live loads, applied downward on the horizontal projection.

2.8.7 The TPS system shall be self-contained. The floor of the TPS shall be structurally sound and designed to support the TPS in storage, transportation and operation.

2.8.8 Skid/Base: The TPS shall be fabricated with an integral skid/base designed to support the weight of a fully loaded TPS and to provide a 6-inch buffer space all around the TPS for shipping. The skid/base shall extend 6 inches beyond all protrusions from the exterior surface of the TPS enclosure and any exterior hose storage compartment (if used). The skid/base may be fabricated separate from the TPS enclosure and securely attached to the floor. See Diagram 1 through Diagram 5.

2.8.8.1 The skid/base and TPS shall be designed to be lifted by a forklift or vehicle equipped with standard length (42 inch) forklift forks. The skid/base shall have a minimum of three evenly spaced bottom deck boards. Deck boards shall be securely attached so that the TPS will not tip if it is lifted off balance.

2.8.8.2 The TPS shall have hooks or lift points at the top to enable safe lifting by a sling. Lift points to be marked as “For Lifting Only Not for Tie Down”. Include safe lifting instructions, required sling weight capacity and length and TPS tare weight clearly in the instruction manual.

2.8.8.3 The skid/base shall have not less than four tie-down points to secure the TPS during transportation. Tie down points to be clearly marked “Tie Down Only ̶ Not for Lifting”.

2.8.9 Clearly identify the center of gravity on the exterior of each side of the TPS structure by permanent markings.

2.8.10 The TPS system shall be designed to sit directly on level ground. Typical installation will be on a “pad” of compacted gravel, but the TPS may be installed directly on soil if required by site conditions. The material used for the portion of the enclosure that is designed to come in contact with the ground shall be suitable for direct ground contact.

2.8.11 A durable document storage case securely fastened shall be securely mounted on the inside of the TPS enclosure door. Document storage case shall be a Justrite No.

23304, or FEMA approved alternate. One copy of the complete TPS documentation shall be provided inside this case or packet.

2.8.12 TPS enclosure shall be aesthetically compatible with the exterior finish of the MHU.

Exact match with MHU siding is not required, but exterior fit and finish must not look out of place, or attract undue attention. A light grey color is preferred.

2.8.13 The enclosure and all exterior signs or markings shall be designed to be exposed to the weather and sunlight with no monthly maintenance and minimal overall maintenance required for a minimum of seven (7) years. Signs and markings shall be of UV resistant materials that shall not fade over a 7-year exposure.

2.8.14 The TPS enclosure shall be designed so that it is stable and not “top heavy” when placed in position for use and when configured for transportation. The TPS shall be capable of resting on a 20% grade without tipping in both the empty (shipping) and full (operational) configurations.

2.8.15 Any tools provided with the TPS shall be securely mounted inside the TPS enclosure.

2.8.16 The TPS shall be freestanding not requiring the TPS to be attached to the MHU.

2.8.17 All wind resisting parts (including, but not limited to, shear walls, diaphragms, ridge beams, and their fastening and anchoring systems), and its components and cladding materials (including, but not limited to, roof trusses, wall studs, exterior sheathing, roofing and siding materials, exterior glazing, and their connections and fasteners) shall be designed by a Professional Engineer or Architect to resist he design wind loads for Exposure C specified in ANSI/ASCE 7–88, ‘‘Minimum Design Loads for Buildings and Other Structures,’’ for a fifty-year recurrence interval, and a design wind speed of 110 mph.

2.8.18 Each TPS shall have provisions for support/anchoring that, when installed, will resist overturning and lateral movement (sliding) of the TPS as imposed by the respective design loads. FEMA requires that the contractor responsible for installing the TPS use manufactured home anchors and strapping as described in 24 CFR 3280 and

24 CFR 3285.

2.8.19 The TPS shall include frame anchors that an installation contractor can pass standard manufactured home strapping material through when anchoring the TPS to the ground. Frame anchors installed within 12 inches of ground level are the preferred method for ground anchors. Manufactured home roof brackets (Diagram 11) which are to be used for passing a cable or strap over the manufactured home are also acceptable for TPS tie down if the TPS is designed for such. If roof brackets are used, the required number of roof brackets shall be included in the TPS parts kit.

Instructions for positioning of the strapping on or over the TPS shall be included in the O&M manual.

2.8.20 All openings in the exterior of the enclosure shall be protected against intrusion of insects, rodents, snakes, and other vermin.

2.8.21 The TPS enclosure shall be vented to allow replacement air for tank drainage to flow into the enclosure and to prevent buildup of moisture.

2.8.22 Provisions to ventilate the enclosure to prevent overheating during hot weather may be provided at manufacturer’s discretion. If this ventilation option is used, provide a means to maintain the integrity of the freeze protection system. If insulation, plug, or cover is to be installed or removed manually by maintenance personnel to plug the vent in cold weather, it shall be a simple operation. All required materials shall be provided with the TPS. Plugs, covers, etc. shall be designed for multiple uses.

2.8.22.1 The operation and maintenance instruction shall include detailed instructions for maintenance of the ventilation feature, and shall state that the ventilation feature shall be activated during the monthly maintenance when local daytime temperatures are above 60°F, and the ventilation feature shall be defeated when local daytime temperatures are below 50°F. .

2.8.23 The TPS enclosure shall provide rapid drainage of spilled water.

2.8.24 The TPS enclosure shall be large enough to permit all components and parts required for the installation of the TPS to be securely stored and shipped inside the enclosure. This includes the insulated hose assembly, the electrical connection assembly, the alarm panel, the small parts kit components, PVC pipe and fittings for the hose shroud, and O&M manual. All components and parts shall be securely packaged to prevent damage during shipping and protracted storage.

2.8.24.1 It is acceptable to ship the hose assembly outside of the TPS enclosure. If shipped outside the TPS enclosure, the hose assembly shall be encased in a sturdy container that will protect the hose assembly during shipping and storage. The container shall be firmly attached to the TPS and skid/base. The container shall shield the hose assembly from sunlight when the TPS is stored outside. It is not required that the container be rain tight or dust tight, or locked, but it shall be constructed of materials suitable to be stored for 7 years exposed to the elements outside of a building. The skid/base of the TPS shall extend not less than 6 inches beyond the container in both plan dimensions to protect the hose during shipping.

The container may be designed to be removed during TPS installation, or it may be designed to remain in place during TPS use. If it is intended that the container remain in place during TPS use, the container shall be fabricated of materials that similar durability and appearance as the exterior of the TPS, and the container shall appear to be a simple extension of the TPS unit.

2.9 Electrical Requirements

2.9.1 RESERVED.

2.9.2 Electrical power to the TPS shall be taken from the Mechanical Interlock installed on the outside rear of the MHU. The TPS will be connected to the MHU via an IEC 60- 309-2 pin and sleeve connector.

2.9.3 All electrical connections that must be made-up in the field during installation of the TPS (i.e., TPS power supply, heat trace, temperature sensor, alarms, etc.) shall be made by quick-connect UL Listed electrical connectors. Connectors that are not located inside the enclosure shall either be water tight or shall be located inside a NEMA 3 enclosure to prevent damage to the connection from water leaks.

2.9.3.1 Each electrical connection shall have a unique locking type connector to preclude incorrect assembly. In addition to the requirement for unique connectors, each connection shall be color-coded. The same size and type of connector may be used for up to two connections if the gender alignment of the two sides of the connector is different.

2.9.4 Wire connectors shall be installed to minimize strain or pull on the wires and the connectors.

2.9.5 The wiring assembly shall be able to pass through the wall of the TPS via the enclosure penetration in the wall of the TPS.

2.9.5.1 If not permanently wired, the AC power connection inside the TPS shall be a water tight 240V/30A MALE twist-lock connection, installed to reduce strain on the wire and connection.

2.9.6 To ensure ease of installation, all TPS controls and systems shall be designed to be activated or initialized by operation of a single Main Power switch.

2.9.7 Internal wiring within the TPS shall include:

2.9.7.1 RESERVED.

2.9.7.2 The water pump.

2.9.7.3 The heater.

2.9.7.4 The heat-trace used to prevent the water in the flexible hose between the TPS and the MHU from freezing.

2.9.7.5 The heat-trace used to prevent the water in the pipe inside the TPS from freezing, if a separate system is used.

2.9.7.6 The required alarm and control systems and devices.

2.9.7.7 A light for the interior of the TPS for use during maintenance. The light shall be operated by a switch located inside the TPS. The light switch shall be located approximately 8 inches from the door jamb on the latch side of the door, approximately 48 inches above the floor of the TPS.

2.9.8 All wires shall be labeled and color-coded. A wiring diagram shall be included in the O&M manual.

2.9.9 Electrical connections within the TPS shall be made in accordance with NEC.

2.9.10 Main power supply shall be 30 Amp, 240V / 1 Phase / 60 Hz. Conductors shall be clearly labeled as being the main power supply.

2.9.11 Provide a means to recognize and diagnose a problem in the power supply to the TPS during field installation. Problems that must be identified include low or missing voltage in either power leg, and an open or improperly wired neutral or ground wire.

The troubleshooting section of the manual shall include recognition, diagnosis, and corrective action for these power supply problems. Include any test or measurement device necessary to provide this feature.

2.9.12 Provide surge protection for the electrical components in the TPS. Protection against a direct lightning strike is not required.

2.9.13 The TPS shall automatically restart or reset following an interruption of electrical power. Restart sequence shall be accomplished with no alarms sounding. (i.e., a service call shall not be required to restart the TPS or silence alarms following a thunderstorm or power outage.)

2.10 Electrical Wiring Assembly

2.10.1 The contractor shall provide an electrical Wiring Assembly. Diagram 8 illustrates the electrical interface components.

2.10.2 Electrical Wiring Assembly shall be rated for 240 volts 30 amps;

2.10.3 The wiring assembly shall have a male IEC 60-309-2 International Pin and Sleeve compliant at the MHU end of the assembly; and shall have a water tight FEMALE twist-lock connection at the TPS end of the assembly to mate with a matching male twist-lock connector inside the TPS.

2.10.4 The connections shall be rated as water tight IP69K.

2.10.5 The wire used in the Electrical Wiring Assembly shall be minimum 10 AWG Type VNTC cable suitable for direct bury.

2.10.6 The Electrical Wiring Assembly shall provide not less than 45 feet (± two inches) of cable exclusive of any connections. The cable length shall be measured from the rear of the IEC 60-309-2 connector to the exterior wall of the TPS enclosure.

2.10.7 The Electrical Wiring Assembly shall be tested to UL183 for the following:

2.10.7.1 Polarity Testing

2.10.7.2 Ground-Continuity Testing

2.10.7.3 Dielectric Voltage-Withstand Testing

2.11 Water Hose Assembly

2.11.1 Provide all parts, equipment, materials, and complete instructions to protect the entire length of the flexible hose against freeze. Freeze protection shall meet the temperature and exposure criteria specified.

2.11.2 The water hose between the TPS and the MHU shall be manufactured of components and materials acceptable to FEMA. Two acceptable hoses are Superlas Danube 10, and Home Master Masterflex.

2.11.3 The water hose shall be not less than 1½ inches in diameter. The water hose assembly shall be not less than 30 feet long (± two inches), measured from the exterior wall of the TPS, exclusive of any connections. Any hose inside the TPS enclosure shall not be included in the hose length requirement.

2.11.4 If shipped unconnected, the ends of the water hose shall be clearly identified as either the TPS end or the MHU end. If the water hose is shipped connected the piping inside the TPS, the MHU end is clearly apparent and marking is not required.

2.11.5 The water hose shall be connected to the MHU and/or TPS via cam-locking connections. The MHU end of the water hose shall have a female cam-locking connection. Threaded pipe fittings specified in the Parts Listing shall be shipped in the TPS parts kit for field use where necessary.

2.11.5.1 Include in the parts kit a 1-1/2 inch male Cam Locking connection to female NPT threads to connect the TPS hose assembly to the sprinkler riser provided by the MHU manufacturer in the home.

2.11.5.2 Cam-Locking connectors shall comply with Commercial Item Description A-A- 59326D, General Specification for Coupling Halves, Quick Disconnect, Cam-Locking Type.

2.11.5.3 The locking arms on female connectors shall be capable of being locked in the closed position. The use of captive (i.e., attached to the connector by short wire rope) hair pin cotter pins to lock the cam arms in the closed position is acceptable.

Any of the materials and finishes listed in A-A-59326 are acceptable. Alternate materials, finishes, and locking mechanisms may be used when approved in advance by FEMA.

2.11.5.4 The open end(s) of the hose shall be sealed by a dust cap or plug to prevent intrusion of insects or vermin during shipping, storage, and installation. The dust cap shall be locked in place and shall be additionally secured by a cable tie (aka zip tie) around the cam arms through the rings to illustrate the method to be used to secure the connection to the sprinkler riser.

2.11.6 Heat Trace: The entire length of the water hose shall be protected by approved 240V self-regulating heat-trace. Hose inside the TPS shall be heat traced.

2.11.6.1 The heat-tracing shall be specifically “Listed” by a nationally accredited testing laboratory (e.g., Underwriters Laboratory – UL) for use on sprinkler systems.

Examples of acceptable heat-trace are: Thermon FLX™ Self-Regulating heat-trace or Raychem® XL-Trace self-regulating heating cable or equal. Heat trace cable shall be ground fault protected.

2.11.6.2 The TPS hose shall have an additional ten (10) feet of heat trace cable that extends beyond the MHU end of the water hose. At the final installation site, the end seal will be removed, the heat trace at the end of the water hose will be fished through the insulated sprinkler riser assembly into the home, and a new end seal will be installed.

2.11.6.3 Heat trace shall be delivered with an end seal kit installed on any end that is not connected to a splice kit or termination assembly. Provide two new end seal devices and not less than 30 feet of aluminum tape required for heat trace installation in the parts kit with the TPS for use during installation and decommissioning.

2.11.6.4 Heat-trace shall be installed on the hose in compliance with the manufacturer’s recommendations. Hose shall be pressurized to not less than 75 psi during heat trace installation to prevent tape failure due to hose expansion when pressure is applied to the hose in the field.

2.11.6.5 Heat trace cables shall be firmly affixed to the hose at the factory using aluminum tape applied longitudinally along the hose as specified by the heat tape manufacturer. In addition, there shall be tape wrapped around the hose, heat trace cable, and aluminum tape every six inches along the length of the hose to reinforce the attachment of the heat trace cable to the hose (use duct tape, RayChem GT-66 tape, or equivalent). See Diagram 9. Manufacturer’s may propose alternate arrangements to attach heat trace to the hose for FEMA’s approval.

2.11.7 Insulation: The entire length of the water hose shall be protected by manufactured tubular thermal insulation.

2.11.7.1 Water line insulation shall be flexible to permit water hose to be installed as intended. Turning radius of the hose assembly shall not be greater than 12 inches to permit installation underneath the MHU.

2.11.7.2 Water line insulation shall be Aerocel-SSPT® closed-cell elastomeric thermal insulation or FEMA approved alternative. Insulation shall be ASTM C 534 Type I, Grade 1 closed cell foam insulation designed for installation above or below ground, indoors or outdoors without additional weather protection. Thickness of the insulation shall be determined by calculations based on the design temperature stated herein, but shall be not less than 1 inches.

2.11.7.3 Provide not less than five (5) feet of new, additional hose insulation, and not less than 30 feet of tape required to seal the insulation, in the TPS parts kit. This insulation will be used to insulate the connection to the MHU after the heat trace has been installed.

2.11.8 Water hose assembly shall be fully assembled before delivery to FEMA; heat trace, insulation, temperature sensor (if provided) and all other components shall be assembled and tested before delivery. After testing, ensure all water has been drained from the hose. Electrical connections at the TPS end of the hose assembly shall be in accordance with section 2.3.6, Electrical Requirements.

2.11.9 All pipe or hose protected by heat trace cable shall have warning labels attached to the insulation. Every five feet along the length of the hose assembly, install two warning labels, 180 degrees apart on the circumference of the insulation. Labels provided by the heat trace cable manufacturer are acceptable.

2.12 External Alarm Panel

2.12.1 To reduce the potential for damage during shipping, all alarms, buttons, and indicator lamps required to be mounted on the exterior of the TPS shall be mounted on an alarm panel that is shipped inside the TPS and is installed at the final site.

2.12.2 All alarms, buttons, and lamps shall be permanently affixed to the alarm panel at the factory. All devices shall be wired to a single, locking, polarized, multi-pin electrical connector that mates with a connector wired to the systems inside the TPS (unless precluded by NEC requirements). The connection shall be either a watertight connector, located inside the TPS, or shall be located inside a NEMA 3 enclosure.

2.12.3 The penetration of the TPS enclosure wall for the connecting wire shall maintain the thermal integrity of the enclosure and prevent intrusion of rainwater into the enclosure. The penetration shall be watertight during shipping and storage, as well as when in use.

2.12.4 Wiring, devices, and methods used in assembling the alarm panel shall be suitable for the environmental exposures described in this document.

2.12.5 The alarm panel shall be designed for simple installation in the field. When installed in the designated location on the exterior of the TPS, the alarm panel shall be tamper resistant and weather tight. Connection to the TPS shall be by pre-drilled holes or threaded inserts in the wall of the TPS using guide pins, through-bolts, or other method to achieve the desired simplicity of installation. Tamper proof connectors shall be used. Carriage bolts with the nuts on the inside of the TPS are one acceptable solution for tamper resistant connection.

2.12.6 The placard or label required for the power indicator lamp shall be installed on the alarm panel. Placards or labels required for the alarms may or may not be installed on the alarm panel, at the discretion of the manufacturer. If not on the alarm panel, the placards or labels should be located in close proximity to the alarm device so that there is no confusion about which placard or label applies to which alarm device.

2.12.7 Power Indicator Lamp

2.12.8 The TPS shall be equipped with a green external indicator lamp that illuminates when power is supplied to the TPS. The power indicator lamp should be part of the alarm panel.

2.12.9 A placard or label shall be placed immediately adjacent to the power indicator lamp.

The label shall state:

POWER IS ON WHEN ILLUMINATED.

2.12.10 The placard or label shall be securely attached. The placard or label shall be designed to be exposed to the weather and direct sunlight for a minimum of seven

(7) years. Labels and lettering shall be of UV resistant materials that shall not fade over a 7-year exposure.

2.13 Alarms

2.13.1 The TPS shall have two alarms. These alarms shall be mounted on the exterior of the TPS enclosure. One horn/strobe alarm device shall be provided for water flow, and one horn/strobe alarm device shall be provided for low temperature. The alarm devices shall be separate and shall be installed in such a way that the alarm notification devices are protected from tampering.

2.13.2 Alarms shall be mounted on the designated front or street facing side of the TPS.

2.13.3 The Water Flow Alarm shall be mounted on the right side of the alarm panel. The Low Temperature Alarm shall be mounted on the left side of the alarm panel.

2.13.4 Exterior alarm devices shall have weatherproof exteriors.

2.13.5 Alarms shall have a sound output rating of at least 80 decibels at 10 feet.

2.13.6 Alarms shall have a visual notification appliance (strobe) that has an output of 15 candela.

2.13.7 Water Flow Alarm:

2.13.8 Provide and install a water flow alarm. The water flow alarm shall operate when a single sprinkler activates and flows 14 GPM. A brief delay to prevent nuisance alarms shall be incorporated into the alarm controls. The alarm may be initiated by water flow switch, current draw by the pump motor, or other means approved by

FEMA.

2.13.9 The TPS shall be equipped with a combination audible local alarm and visual notification appliance (strobe), Potter model SH-120 or approved equivalent. The housing of the water flow alarm shall be red in color.

2.13.10 RESERVED.

2.13.11 The water flow alarm is a local alarm only, dial-up or remote monitoring is not required.

2.13.12 A placard or label shall be placed adjacent to the water flow alarm. Placard or label shall be approximately 5 inches by 7 inches in size. The placard or label shall have red letters on white background, and shall state:

CALL FIRE DEPARTMENT WHEN THIS ALARM SOUNDS - FIRE SPRINKLER IN

OPERATION”.

Press the “ALARM SILENCE” switch to silence the sound of the alarm.

2.13.13 The placard or label shall be securely attached to the exterior of the TPS so that it is not damaged during over-the-road transport on a flatbed truck. The placard or label shall be designed to be exposed to the weather and direct sunlight for a minimum of seven (7) years. Placard and lettering shall be of UV resistant materials that shall not fade over a 7-year exposure.

2.13.14 Low Temperature Alarm:

2.13.14.1 Provide and install a low temperature alarm in the TPS. The low temperature alarm shall alert when either or both of two conditions occur: 1) when the air temperature within the TPS falls below +40°F, or 2) when the temperature of the hose assembly connecting the TPS to the MHU falls below +40°F. The housing of the Low Temperature Alarm housing shall be white or off-white in color so that the two alarm devices cannot be confused.

2.13.14.2 The low temperature alarm is a local alarm only; dial-up or remote monitoring is not required.

2.13.14.3 The low temperature alarm will sound and flash on the exterior of the TPS enclosure.

2.13.14.4 The low temperature alarm shall have battery backup sufficient to sound the alarm for 12 continuous hours in the event of a low temperature during a power failure.

Battery backup shall be arranged to also allow the silence feature to operate as described below.

2.13.14.5 A placard or label shall be placed adjacent to the low temperature warning alarm. Placard or label shall be approximately 5 inches by 7 inches in size. The placard or label shall have dark blue letters on white background. The placard shall state

CALL THE MAINTENACE HOTLINE WHEN THIS ALARM SOUNDS –

MAINTENANCE IS REQUIRED.

Press the “ALARM SILENCE” switch to silence the sound of the alarm.

2.13.14.6 The placard or label shall be securely attached to the exterior of the TPS so that it is not damaged during over-the-road transport on a flatbed truck. The placard shall be designed to be exposed to the weather and direct sunlight for a minimum of seven

(7) years. Placard and lettering shall be of UV resistant materials that shall not fade over a 7-year exposure.

2.14 Alarm Silence Feature

2.14.1 Provide and install momentary contact type button(s) on the exterior of the TPS that will silence the audible portion of the alarm that is operating for a preset period of time. The silence switch shall be suitable for installation in all weather conditions prescribed in this document. If a separate switch is provided for each of the two alarms, the switches shall be clearly labeled to identify which alarm that each switch will silence.

2.14.2 The alarm silence switch(s) shall be located on the front side of the TPS, not more than 42 inches above the bottom of the TPS skid/base. The switch may be factory installed, or it may be configured as a second alarm panel, subject to all of the requirements in section 2.12.

2.14.3 When depressed, the alarm silence switch(s) shall silence whichever alarm is sounding, Water Flow and/or Low Temperature, for a pre-determined length of time, defined herein to be the Alarm Delay. The Alarm Delay shall be factory programmed to silence the Water Flow alarm for 1 hour, and to silence the Low Temperature alarm for 12 hours. The Alarm Delay shall be adjustable for any length of time between 30 minutes and 24 hours for each alarm. Complete instructions for adjusting the Alarm Delay period shall be included in the O&M manual, but not in the TPS setup portion of the O&M manual.

2.14.4 The silence feature shall require only one activation of the button to silence any alarm that is operating. When the silence button is depressed, the audible portion of the alarm shall cease to operate for the period of the Alarm Delay, after…