P.C. Simonton & Associates, Inc. Consulting Engineers 309 North Main Street 1050 Parkside Commons Post Office Box 649 Suite 101 Hinesville, Georgia 31310 Greensboro, Georgia 30642 Addendum No. One Date: November 7, 2018 Project: Pre-Packaged Fire Pump Skid City of Hinesville PCS No. 2018-46 Engineer: P.C. Simonton & Associates, Inc. Greensboro, Georgia The original plans, specifications, and bid documents are amended to include the following: Specifications: Replace the previous Section 15320 with the enclosed Section 15320. Paul C. Simonton 11-7-18 -END- Hinesville, Georgia Phone: (912) 368-5212 Fax (912) 368-6071 Greensboro, Georgia Phone: (706) 454-0870 Fax (706) 454-0871
SECTION 15320 PRE-PACKAGED FIRE PUMP SKID PART 1 - GENERAL 1.01 SCOPE A. This specification covers the manufacturing and supplying 1 (qty.) packaged fire pump system including a vertical inline fire pump complete with motor, vertical inline electric fire pump, controller(s), ATS, jockey pump, jockey pump controller, tank recirculation pump and control, and all other accessories as outlined and/or shown on drawing. The equipment supplier shall provide for the contractor to install a pre-packaged fire pump system, designed in accordance with the requirements of N.F.P.A. Pamphlet #20. The fire pump shall be listed by Underwriters Laboratories and/or approved by Factory Mutual for fire pump service at the specified rating. The system manufacturer will assume unit responsibility for the proper operation of the entire packaged system as specified herein. The system packager should be the original equipment manufacturer of the UL listed and FM approved fire pump(s) used on equipment skid. Should potential bidders choose to use a packager that is not the OEM of UL listed and FM approved fires pumps, prior approval is required and must be presented with bid. B. The Fire Pump Skid manufacturer shall have a quality management system in place and shall be ISO 9001 Certified. C. Skid size shall not exceed 11 L x 5 W and shall include all items listed above as part of the system. D. Suction / Discharge connection shall be made through the floor of the proposed bldg. enclosure. 1.02 DESIGN A. Fire Pump shall be designed to deliver 750 GPM when operating against a TDH of 161 ft. The pump shall also deliver not less than 150% of rated capacity at a pressure not less than 65% of rated head. The pump shut off head shall not exceed 140% of the rated head PART 2 - PRODUCTS 2.01 ELECTRIC DRIVEN FIRE PUMP A. The vertical in-line pump shall have a rated capacity of 750 GPM when operating against at 70 psi. The pump shall also deliver not less than 150% of rated capacity at a pressure not less than 65% of rated pressure. Motor and pump speed shall not exceed 3575 RPM. Unit provided under provision NFPA-20, 2007, paragraph #1-5. Unit pressure shut-off head shall not exceed 140% of rated pressure. 1. The pump(s) shall be listed by Underwriters Laboratories (UL). The unit shall meet all the requirements outlined in National Fire Protection Association Pamphlet 20 2018-46/ 15320-1
and shall be a Patterson Series VIP or A-C Fire Pump Series 1580 comparable and shall be 6" X 6" skid with system to meet all of the following requirements, or approved equal. 2. The pump(s) shall be constructed so that the rotating elements and motor can be removed without disturbing the piping fittings, and shall be of the back pull-out type and design. The suction and discharge flanges shall be on the same center line plain, 180 degrees apart. 3. Rotation shall be CW (clockwise) when viewed from the driver end. The casing shall be radially split with suitable connections supplied for gauges, priming, venting, and draining. The suction and discharge flanges shall be 125 lbs. ASA standard. 4. The pump shall be hydrostatically tested to 1.5 times the maximum working pressure or 250 psi minimum. The stuffing box shall be designed for long packing life. A water seal (lantern) ring shall be located near the center of the stuffing box. 5. Sealing water injection shall be through a precision drilled passage in the volute cover to the seal ring, eliminating external lines. The stuffing box gland shall exert uniform pressure on the packing. A replaceable shaft sleeve shall be locked into position by the impeller key. The impeller shall be precision cast machined and balanced for optimum pump life. 6. The pump casting shall be smooth, free of scale, lumps, cracks, sand holes and defects of any nature which may make it unfit for the use for which it is intended. The pump shall have an integrally cast easily accessible clean-out port located at the bottom of the casing. 7. The bolting of pressure-holding castings shall be such that the maximum stress on any bolt will not exceed one-fourth the elastic limit of the material as computed by using the stress area and on the basis of the water pressure equivalent to the shutoff pressure effective over the area out of the center line of the bolts. 8. The pump bearings shall have a L-10 rating of not less than 5000 hours based on load ratings and fatigue life. 2.02 ELECTRIC MOTOR A. The shall be 100 HP motor maximum and shall be a 286JPV, open drip-proof, ball bearing, squirrel cage, induction motor. B. The motor shall be designed for 3-phase, 60-cycle, 208 volts operation with a 1.15 service factor. The motor shall be close coupled and is an integral part of the pump. 2.03 ELECTRIC FIRE PUMP CONTROLLER A. The fire pump controller shall be Firetrol Mark IIXG Electric Fire Pump Controller, or equal, designed and built strictly in accordance with the latest requirements of the National Fire Protection Association's Pamphlet No. 20. B. The main fire pump controller with integrated transfer switch shall be factory assembled, wired and tested as a single unit with reduced voltage solid state starter, 2018-46/ 15320-2
NEMA contactor bypass. It shall be listed and approved for fire protection service by Underwriters Laboratories and Factory Mutual Research. C. The controller short circuit current rating shall be 100,000 RMS symmetrical amps. D. The enclosure shall be floor mounted and shall not exceed 64 inches in height, 24 inches in width, or 13 inches in depth. All enclosure doors shall be equipped with safety mechanical interlocks to prevent all doors from being opened until the isolating switch is opened. E. The controller shall be provided in a dust-tight, NEMA 12 enclosure with a driphood. The finish shall be a baked on fire engine red paint. F. The Isolating Switch and Circuit Breaker shall be vertically mounted to separate any incoming line terminals from any circuit breaker terminals by at least 12 inches, no exception. The Isolating Switch and Circuit breaker shall each be provided with an operating handle. They shall be interlocked so the Isolating switch cannot be opened until the Circuit Breaker is opened. G. The controller shall utilize a pressure transducer based digital pressure switch. It shall have start and reset settings that can be set to the nearest 1.0 psi. These settings shall be readable through the door. H. All transducers, pressure switches, and all related pressurized wet parts shall all be mounted externally to the side of the controller, no exception. They shall also be mechanically protected from damage, no exception. No water pressure connection of any kind shall be provided inside the controller enclosure. I. The controller shall be rated to operate in a 50C ambient environment. J. All printed circuit boards shall be conformal coated to operate in a high humidity environment where the humidity is 95% and non-condensing. K. The control unit shall be comprised of a control board enclosed in a protective metal chassis, no exceptions. All plug-in cables shall be securely latched or locked in place. Insulation displacement connectors are not acceptable. L. Control power shall be 24 VDC and shall be derived from 3 independent, control power transformers with redundant isolated rectifier circuits. M. The controller shall have a dielectric strength of 5000 Vac for increased immunity to voltage surges. N. Power for the circuit breaker DC shunt trip solenoid shall be derived from any of the three transformers and shall be completely independent of any one single phase A.C. voltage. O. 30 mm mechanical start and stop pushbuttons shall be mounted on the door flange. They shall start and stop the pump independent of the HMI. P. An input shall be provided for a normally closed remote start contact. Q. A separate input shall be provided for a normally closed deluge valve start contact. 2018-46/ 15320-3
R. A test valve solenoid shall be provided on the outside of the enclosure to facilitate local pressure drop testing or auto testing. It shall include a y-strainer to protect the valve from debris. S. Anytime the test valve is operated, either through the local pressure drop test button or through the auto testing function, the transducer shall be tested. If the pressure reads greater than 10 psi while the valve is open, a Transducer/DVS failure alarm shall activate. If the transducer is disconnected, the pump shall start. T. A Failure to Start alarm shall provide an alarm when motor current is not measured within 15 seconds of the pump start demand signal. U. Motor Overload logic shall provide an alarm when motor current exceeds 120% of the motor s full load rated current. It shall not shutdown the pump. V. Precise Low Voltage logic shall provide an alarm when any phase to phase voltage is less than 85% of the controller rated voltage. W. PhaseSmart logic shall be provided to assure that the controller will not start the fire pump under single phase conditions when the voltage on any phase is lower than 65% of the rated motor voltage. However, if the motor is already running when a phase loss occurs, the Phase Smart logic shall keep the motor running. X. A Human Machine Interface (HMI) shall be provided to set up the controller and display the status but shall not be relied on for the controller operation. The accuracy of the display shall be 2 percent or 2 digits and shall be traceable to the National Institute of Standards and Technology. Y. The starting and running functions controller shall operate independently of the HMI and shall even operate with the HMI damaged or disconnected. Z. The HMI shall be a 5.7 inch, 64 K color touch screen interface that simultaneous displays all 3 phase voltages and currents, the System Pressure, Start/Reset settings, Manual/Auto Stop setting, and the Weekly/Monthly test setting. It shall also display the starting sequence and pump running status. AA. In addition, the HMI shall be capable of enabling or disabling remote or deluge start, auto testing, minimum run timing, setting sequence timing, and acceleration timing. BB. Further, it shall display the following alarms: AC Volts Low, AC Failure, CB Trip, Fail to Start, Load Shed, Lockout, Low Discharge Pressure, On Demand, Motor Overload, Over Pressure, Phase Reversal, PhaseSmart, 8 Pump House Trouble inputs, Pump Run, Single Phase Running, and Transducer Failure. CC. A password protected Setup Assistant screen is provided to quickly access the pressure start/reset settings, the sequence, accelerate time settings, the remote/deluge start settings, and the weekly/monthly test settings. DD. A Setup summary screen accessible to anyone is available to view all the controller settings. EE. A Remote alarm contact testing screen shall be provided to operate each remote alarm contact individually to facilitate remote alarm testing. 2018-46/ 15320-4
FF. The Alarm Silence shall be provided with a 24 hour auto re-sounding function. GG. The internal Data Recorder shall download directly through an external USB waterproof adapter to a USB drive. No codes, settings, or menu operations shall be required. Once the USB is inserted, the data recorder shall recognize the USB drive and indicate USB Active. The file shall then be automatically transferred and indicate USB OK. The USB drive can then be removed. HH. The Data Recorder shall record the system pressure every hour or every time the pressure changes by 5 psi. It shall also record all 3 phase voltages and currents on every alarm event and every 5% change from the previous reading. In addition, all active alarms and the starting sequence shall be recorded. II. Voltage Free Remote Contacts shall be provided for Pump Running (2 sets), AC Failure, Phase Reversal, System Trouble, and On Demand. JJ. Additionally, 8 programmable inputs and 8 programmable relay outputs shall be provided for any of the displayed alarms. The Voltage Free Contacts shall be rated for 6 amps at 30 vdc, 6 amps at 250 vac and have a UL pilot duty ratings of R300 and B300. KK. For building automation systems and site monitoring, an additional waterproof adapter shall be provided for external Ethernet access with the Modbus TCP/IP protocol. LL. It is intended that the manufacturer of the specified equipment shall be a business regularly engaged in the manufacture, assembly, construction, start up, and maintenance of fire pump controllers. The manufacturer shall have at least three (3) years of successful experience in providing this equipment. MM. The manufacturer's published warranty certificate for the entire controller shall be submitted to show that it covers parts and labor for a period of 2 years and parts for a period of 5 years. In addition, a guarantee shall be provided to cover parts damaged by transient voltage surges, including lightning, up to a maximum of $5,000 for a period of 5 years. NN. Certified factory test data shall be provided, if requested, to verify that the following tests have been performed: 1) A complete visual inspection; 2) A complete operational test; 3) A plumbing leakage test done at the maximum system pressure; 4) A pressure transducer accuracy test; 5) A 5000 volt dielectric voltage withstand test; and 6) A power path voltage drop test. OO. The controller shall be manufactured in the United States of America 2018-46/ 15320-5
JOCKEY PUMP A. The jockey pump shall be a GRUNDFOS CR Series or A-C Fire Pump brand, centrifugal close-coupled vertical inline pump with mechanical seal, cast iron suction and discharge flanges, with stainless steel intervals or suitable equivalent. B. Designed for 10 GPM @ 84 PSI 3450 RPM 1.5 HP, 3 Phase, 60 Cycle, 208 Volt operation. 2.04 JOCKEY CONTROLLER A. The jockey pump controller shall be a UL Approved Jockey Pump Controller complete with fusible disconnect, "HANDOFF-AUTOMATIC" selector switch and a pressure switch. The minimum enclosure rating shall be NEMA Type 2, drip tight. B. Controller shall have the following options, 1. Restart Time Delay 2. Running Period Timer PART 3 - INSTALLATION 3.01 FACTORY PREFABRICATION A. All of the above equipment (except the test header, hose valves, and muffler) shall be mounted on an open structural steel I-beam skid. All piping, pressure sensing lines, bypass with check valve, and shut-off valves, as well as approved suction and discharge valves shall be firmly anchored to the steel base by means of structural steel supports. All electrical wiring between controllers and drivers shall be completed and tested at the factory. The entire package will require one power connection by the electrical contractor. THE FIRE PUMP SYSTEM PACKAGER MUST BE AN ORIGINAL EQUIPMENT MANUFACTURER OF UL LISTED AND FM APPROVED, NFPA 20 FIRE PUMP 3.02 FACTORY TEST A. All equipment will be factory tested in accordance with the requirements of N.F.P.A., U.L., and F.M. Additionally, the entire package system will be hydrostatically tested by the system manufacturer prior to shipment. 3.03 SUBMITTAL DATA A. The submittal data for the pumping system shall include, but not limited to: pump curves, individual computer data sheets, system drawings, and complete description of control panel, with wiring diagram, sequencing data, instrumentation, alarms, and copy of certificate of $1,000,000.00 minimum liability insurance. 2018-46/ 15320-6
3.04 GUARANTEE A. The Pre-Packaged fire pumping system shall be guaranteed in writing by the manufacturer for a period of one year from date of shipment against defect in design, material, or construction. In addition to paragraph 2.03 Section MM. 3.05 FIELD ACCEPTANCE TEST AND START-UP SERVICE A. The service of a factory trained representative shall be made available on the jobsite to check installation, field acceptance testing, start-up, and instruct operating personnel. B. In order to ensure the fire pump unit is properly coordinated and will function in accordance with the intent of these specifications, all the equipment required to comprise the fire pump unit will be supplied by the fire pump manufacturer in whom shall be vested unit responsibility for the proper function of the complete fire pump unit, including the fire pump, motor or engine, base plate, control equipment and other required accessories(when applicable prepack fire pump package systems including fire pump skid and/or housed units). C. To verify compliance with this requirement of the fire pump manufacturer will be required to submit a notarized Certificate of Compliance certifying that all components of the fire pump unit were in fact supplied by the fire pump manufacturer and acknowledging its responsibility for the proper function of the unit. 3.06 INSTALLATION OF PRE-PACKAGED PUMP SKID A. Place, assemble, install and place into operational readiness complete pumping system and building as specified in this section, in accordance with Pre-Packaged Pump manufacturer recommendations, Drawings, FM and NFPA 20. B. FIELD QUALITY CONTROL 1. Manufacturer s field representative shall supervise installation of all items and equipment as specified in this section 2. Manufacturer s field representative and/or Contractor shall inspect job site conditions 72 hours before shipment of packaged pump module to assure field conditions compatible with system layout. 3. Manufacturer s field representative shall conduct and document acceptance tests and startup of equipment specified in this section and shall ensure conformance to acceptance requirements of NFPA 20 and FM Data Sheet 3-7N/13-4N. 4. Manufacturer s representative shall instruct Owners personnel in proper system operation and maintenance. 2018-46/ 15320-7
5. Manufacturer s representative shall commission equipment and certify to Owner in writing that all installation, maintenance instruction, tests, adjustments, repairs and startup are complete and that all components are ready for continuous operation. 2018-46/ 15320-8