13.1 Civil
In order to provide a complete operational installation, additional equipment and services, not included in the basic unit scope, must be provided by the buyer or the installer. These include, but are not limited to, the following:
• Foundations – Design and construction with all embedments including sole plates, anchor bolts, and conduit
• Grounding grid and connections
• Necessary drainage, including sumps and drain piping
13.2 Mechanical
• Natural Gas: Provide 50 °F / 28 °C of heating above the dew-point. In addition, a gas shutoff valve located remotely from the unit must be provided to shut off the gas supply to the turbine when the unit is not in operation. GE fuel specifications are included in Section 14.
• #2 Distillate Oil: Provide storage tanks and piping to the fuel forwarding skid inlets, and from the forwarding skid outlets to the base auxiliary equipment module connections, and for treatment devices (centrifuge and duplex filters.)
• Demineralized water for the water injection system at required pressure
• Water injection pump skid (NOx control only)
• Compressed instrument air to pressurize off-base water washing tanks, pulse clean air filters as required
• Heated fluid for the inlet air heating system if required
• Fluid for inlet air chilling or evaporative cooling, if required
• Heated fluid for anti-icing system, if required
• Ventilation ducting, if required
• Exhaust expansion joint, ducting, elbow(s) and stack, if required
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13.3 Electrical
• Air conditioned control room for turbine/generator panels and other “indoor type” control equipment
• 480V AC electrical power for gas turbine starting and accessories
• Electrical power connections (power cable or duct) from the generator lineside cubicle to the buyer’s electrical systems
• Electrical control connections from the on-base terminal points to the turbine control panel, to the generator control panel, and to the Buyer’s systems
• Motor control centers (MCC) and auxiliary power transformers as necessary for station services such as:
- Fuel gas compressors
- Distillate fuel forwarding skids
•
The following cables:- Control cables between the turbine/generator panels and the MCC, fuel gas compressor, fuel forwarding skid, and other controlled and off-base devices
- Power cables from the Buyer’s electrical system to the MCCs, and from the MCCs to their load devices.
- Power cables to and from the 125 VDC battery and charger systems See the Typical One-Line for further definition.
13.4 Miscellaneous
• Transport, unload, place on the foundation and install the equipment
• Construction services including electric power, lighting, temporary heaters, test equipment, compressed air, crane(s) and all required standard tools
• Storage and security for equipment received.
13.5 Balance of Plant Equipment, if necessary
• Exhaust system equipment
• Heat recovery boiler and by-pass stack
• Plant fuel gas scrubbers, filtration, separation or regulation
• De-aeration and chemical injection equipment
• Steam turbines and condensers
• Boiler feed pumps and auto level control assemblies
• Automatic blowdown controls
• Non-standard inlet filter house support structures
• De-superheater equipment
• Cooling tower and circulating water system
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• Power plant calibration tools
• Spare parts and consumables
13.6 Limits of Scope of Supply
Listed below are the limits of GE Energy BaseScope of Supply. All piping, wiring, cables, duct, etc. connecting to these points will be furnished by the Customer (unless modified by specific agreement).
• All piping, including fuel gas, fuel oil, steam, cooling water, heating water, demineralized water, lube oil, compressed air, instrument air, hydraulic start oil
• Inlet air-to-filter
• Turbine cooling air exhaust and generator cooling air exhaust
• Turbine exhaust
• Power and control terminations at package skid edge
• Wiring from Turbine Control Panel
• High voltage connections
• Generator ground connection
• Bus bar in GE Energy lineside cubicle
• GE Energy neutral cubicle
• Terminal box on individual motor
• Ladders and platforms for inlet air filter maintenance only
• Battery terminals to baseplates (if supplied loose)
• Electric motors
• Ladders and platforms for air filter
• 24 VDC batteries and chargers* for control system and fire/gas system
• 125 VDC batteries and chargers* for optional DLE operation and medium voltage switchgear
• Flanged or threaded connection on GE Energy baseplates
• Atmosphere (non-standard duct by others)
• Exhaust flange on main baseplate
• Terminal box on baseplate
13.6.1 Additional Materials and Labor Furnished by Others
• Civil engineering design of any kind
• Building and civil works
• Site facilities
* GE Energy will include installation of the TCP and batteries with the ACM option and installation of the TCP, batteries and MCC with the PCM option.
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• Support steelworks and hangers for the gas turbine ducting, silencing and pipework
• All inlet, exhaust and ventilation ducting other than included in the scope of supply
• Drains and/or vent piping from the gas turbine package to a remote point
• Fuel storage, treatment and forwarding system
• Site grounding
• Lightning protection
• Power systems study
• Sensing and metering voltage transformers
• Machine power transformers, and associated protection
• Grid failure detection equipment
• Off-loading, at site transportation and storage
• Training except as described in Section 18
• Off-skid cabling, and design of off-skid cable routing
• Balance of plant and energy optimization controls
• Anchor bolts, embedments, and grouting
• Distributed plant control
• Customer’s remote control (quoted separately)
• Field supervision
• High voltage transformer(s), cables, and associated equipment
• Interconnect piping, conduit, and wiring between equipment modules
• Plant utilities, including compressed air supply and off-skid piping
• Battery containment
• Lube oil measurement other than that defined in the scope of supply
• Additional lube oil breather ducting other than that defined in the scope of supply
• Fuel transfer pump
• Fuel for gas turbine
• Off-skid fuel block and vent valves
• Fuel supply pipework beyond the scope of supply
• Generator controls other than that defined in the scope of supply
• Load sharing control
• Balance-of-plant control
• Site labor
• Ladders, stairs, and platforms (except those for inlet air filter)
• Lifting Gear (also an option)
• Site performance testing (GE Energy provides Power/HR test correction procedure and technical direction during test)
13.7 Start-Up/Test Materials and Labor Furnished by Others
• Operating personnel for starting, preliminary runs and tests
• Lubricating fluid, greases, and supplies for starting, preliminary runs, tests and normal operation thereafter
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• Fuel and load for tests.
• All field performance tests. Such tests to measure quoted guarantees shall be in accordance with General Electric recommended test procedures.
Note: Various types of contracts are available from GE, thus the above may not reflect the contracted scope. In case of conflict, the agreed upon contract with GE prevails.
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