STATEMENT OF WORK Purchase and Installation of Diesel Standby Generator Set and Service Entrance Rated Automatic Transfer Switch for Sewage Treatment Plant Nockamixon State Park (Bucks County) I. SCOPE OF WORK: The Pennsylvania Department of Conservation and Natural Resources, Bureau of State Parks, requires the services of a contractor for the purchase and the installation of a permanently installed diesel fueled standby generator equipped with self-monitoring and self-diagnostic features capable of network communication and remote annunciator and emergency stop system for the Nockamixon State Park Sewage Treatment Plant, which is located within Nockamixon State Park, 1775 Mink Road, Quakertown, Pennsylvania 18951. The awarded contractor shall provide the Department with the minimum recommended concrete pad dimensions with conduit stub-out areas required for the generator set. Maintenance personnel at the state park will install the concrete mounting pad. Questions regarding the technical aspects of this bid should be directed to Obie Derr, Park Manager, at 215-536-4293 . Questions regarding the bidding or contracting procedures should be directed to Nancy Weibley at 717-783-4884. II. CONTRACT TASKS: The Contractor must furnish all supplies and equipment. Equipment to be installed must be approved by the Park Manager or a designated representative prior to installation. However, no equipment or material shall be delivered to the site by the awarded vendor until the awarded bidder has obtained prior shop submittal approval from the Department. The following specifications shall include minimum requirements, unless otherwise stated, to include all genuine parts, accessories, equipment and safety features considered standard whether mentioned herein or not. The generator and transfer switch shall comply with all applicable NEMA codes, NFPA fire prevention and electrical codes, and state and local regulations. All work and installations performed shall be completed per the manufacturer's specifications and in accordance with applicable Uniform Construction Code. Outdoor Diesel Emergency Generator (1 each) Furnish one (1) continuous, standby rated, outdoor, skid-mounted, diesel emergency generator set with sub-base fuel tank, weather-tight enclosure, and remote annunciator panel, to be delivered to the Sewage Treatment Plant at Nockamixon State Park, 1775 Mink Road, Quakertown, Pennsylvania. The incoming freight and placement of the generator at the Sewage Treatment Plant shall be included in the bid price. Standby Ratings at 130 degrees Celsius Rise: 125kW (156kVA) 480Y/277 Volts AC 3 phase, 60Hz, approximately 188 amps, 1800 rpm 1 Warranty: One year parts and labor from the date of site start-up. Manuals: Three (3) complete sets of Operators & Maintenance Manuals. Without intending to limit and/or restrict the equipment and materials required by these specifications, the diesel generator system shall be provided with, but is not limited to, the following: - Channel steel skid base. - UL-2200 Listed. - Certified by the Environmental Protection Agency (EPA) to conform to Tier 3 non-road emissions regulations and stationary emergency applications. - Outdoor UL-2200 listed weather housing with rodent guards and skid end caps. - Fully automatic generator set-mounted controller with, but not limited to, the following: Pre-Alarms. Dry contact (isolated alarm). Common Failure Relay. Automatic starting and stopping, and manual start/stop capabilities. Three-position (Automatic-OFF-TEST) selector switch. AC Meter and Instrumentation Panel for volts, amps, combined frequency meter and tachometer, coolant temperature, lube oil pressure, battery condition voltmeter, and hourmeter for engine run time. Automatic engine shutdown when signals for high coolant temperature, low oil pressure, or overspeed are received. Indicating lights/Engine monitor. Vibration isolated control panel with lockable-hinged panel door. Remote starting contacts to interface with the new automatic transfer switch. Remote monitoring capabilities & communication thru a PC via network or modem. NFPA 110 Level 1 capability. Modbus protocol capability. - Float-type battery charger (12VDC) with alarms and equalizer. - Batteries, electrolyte, battery rack, and associated cables. - Engine block heater to operate at 120 volts AC single phase, thermostatically controlled to maintain engine coolant at proper temperature, and sized (approximately 1500 watts or greater) to meet the requirements of NFPA-110 regulation. - Flexible seamless stainless steel exhaust connector and solid nipple. - Level 2 (typical attenuation level of 25dBA) “critical” engine exhaust silencer system - Electronic Isochronous Governor. - Oil drain valve and extension line. - Cooling system to include a unit-mounted radiator with water pump, electric coolant heater, blower fan, thermostat, radiator duct flange, and 50% antifreeze mix. - Coolant drain. - Heavy-duty, dry type air cleaner. - AC generator to be brushless, permanent magnet. - Class H insulation material and 130 degrees Celsius standby temperature rise. - Anti-vibration isolators/pads between the engine-generator and the heavy duty steel mounting skid base to ensure vibration isolation - Flexible fuel lines. - Integral fuel transfer pump. - Mounted fuel solenoid valve and flexible connection. - Safeguard breaker. - One (1) engine mounted 3-pole, 200 amp mainline molded case circuit breaker. - Engine lube oil and antifreeze. - Three (3) sets of Operators & Maintenance Manuals including general maintenance and NFPA 110 literature. - Mushroom head push button emergency generator stop switch with push button guard to reduce the risk of accidental operation in a surface mounted enclosure. - Remote Annunciator Panel with single automatic transfer switch (ATS) control features including common alarm, remote testing of the ATS, and monitoring of the normal & emergency sources. 2 - Incoming freight, start-up, training services, and generator testing. All required design prototype tests, final production tests, start-up site tests, including no-load, dynamic building load, and load bank testing. All function and time setting parameters associated with the corresponding automatic transfer switch shall be properly interfaced with the generator system. - One (1) year limited warranty program. The generator shall include a minimum 250 gallon U.L. listed double-walled skid mounted sub-base fuel tank or properly sized to provide a minimum 24-hour standby at full load capacity of the generator, whichever is greater, with, but not limited to, low fuel level alarm, fuel in basin/leak alarm, mounting rails, vent cap, fuel level gauge, fill port, drain, and all required piping and accessories. Reference: Kohler Model No. 125REOZJG Diesel Emergency Generator with Remote Serial Annunciator III (RSA III), or approved equal. Start-up Services: The manufacturer or manufacturer’s representative shall be on-site during start-up to ensure that the generator is installed and operating properly, and to complete all necessary paperwork and forms required for commissioning and warranty registration. After final hook-up of the generator system (by others), the State Park will contact the Vendor to make arrangements for the official site start-up. Diesel fuel will be provided by the state park and is not part of this contract. The start-up services shall include a generator training session with operational and maintenance procedures, a no-load operational test, a minimum 1-hour building dynamic load test demonstration, and a load bank test. The load bank test shall be conducted with 100% of generator nameplate rating for two (2) continuous hours, or in accordance with NFPA 110 generator testing regulations, whichever is greater. Outdoor Service Entrance Automatic Transfer Switch (1 each) Furnish one (1) outdoor, service entrance rated automatic transfer switch to be utilized with the 125kW diesel emergency generator as described above. The switch shall have microprocessor logic control with programmed transition mode of operation, and shall be rated 3-pole, 4-wire, solid neutral, 400 amp, 480 volts, 60 Hertz, with a 3- pole, 400 amp molded case circuit breaker with electronic trip for the utility switching device, and a 3-pole, 200 amp molded case switch for the generator switching device. The switch shall have a NEMA Type 3R enclosure for installation outdoors. The switch shall be a mechanically held and electrically operated automatic transfer switch in a free standing, floor mounted type enclosure, to be used on a 480Y/277 volt, three phase, 4-wire, 60 hertz system. The incoming freight and placement of the automatic transfer switch, in addition to all required start-up and programming services, shall be included in the bid price. The transfer mechanism of the switch shall be mechanically designed to prevent both the normal and emergency sources from being connected at the same time, and to prevent the contacts from stopping in-between, so that no source is connected. The transfer switch/control panel for the automatic transfer switch shall be provided with, but is not limited to, the following: - Engine starting contacts, with adjustable “Time Delay on Engine Starting” to override momentary normal source outages. - Adjustable “Time Delay Normal to Emergency” load transfer. - Adjustable “Time Delay Emergency to Normal” load transfer (i.e. retransfer back to normal). - Unloaded running time delay for emergency engine generator cool-down after retransfer back to normal