February 23, 2004

TABLE OF CONTENTS

PART 1 - GENERAL REQUIREMENTS

 A. PURPOSE OF THIS SPECIFICATION

 1. To define a continuous emission monitoring system (CEMS) for measuring NOx, CO, and O2 which meets federal and state regulatory monitoring requirements for installation at

 B. RELATED DOCUMENTS (To Be Attached)

            1. State, and local requirements as applicable. 

            2. Operating Permit

            3. Installation site drawings

 C. SUMMARY OF SPECIFICATION

             1.  Part 2 of this Specification includes a description of the plant, process, and installation site conditions including composition of gas to be measured.

             2.  Part 3 of this section of the Specification contains the technical and performance requirements of the continuous emission monitoring system.

             3.  Part 4 of this section contains the requirements for services to be provided for each individual CEMS system.  This includes but is not limited to:

                        a. Services to be provided by CEMS supplier

                        b. Work and material by others:

D.  SUPPLIER QUALIFICATIONS 

1.   All suppliers of equipment supplied by this specification shall have an acceptable history of supplying satisfactory reliable systems in use for a period of at least five years.

2.   Acceptable bidders must be analyzer manufactures as well as system suppliers.

3.   Acceptable bidders must have ISO 9001 quality certification.

4.   Acceptable bidders must be financially solvent and be able to show upon demand a net worth of at least ten times the value of the bid for this system.

5.   Acceptable bidders must provide 24 hour telephone access to technical support personnel skilled with this instrumentation.

E.  DELIVERY 

            1.  The supplier shall deliver equipment to the project site in accordance with manufacturer’s shipping requirements. Project schedule requirements include:

                        a. Drawing delivery___________________

                        b. Hardware delivery to site:____________

                        c. Installation supervision;______________

                        d. Startup of CEMS___________________

                        e. Certification of CEMS:______________

PART 2- PROCESS AND APPLICATION CONDITIONS

A. PLANT

B. PROCESS AND FUEL(S) 

C. EMISSION CONTROL EQUIPMENT

D. CEMS INSTALLATION SITE

            Probe location______________________________________________________

             Analyzer cabinet____________________________________________________

             Sample line length___________________________________________________

E. GAS CONDITIONS AT INSTALLATION SITE

1. Gases to be measured and measurement ranges

            NOx : typ concentration______, max concentration______, meas range_________

            CO : typ concentration______, max concentration______, meas range_________

            O2 :  typ concentration______, max concentration______, meas range_________

 2. Coexisting gases and concentrations

            H2O : typical concentration_______, max concentration ________

            CO2 : typical concentration_______, max concentration ________

            SO2: typical concentration_______, max concentration ________

            Other ________: typical concentration_______, max concentration ________

3. Physical gas conditions

            Gas temp:________

            Gas press:________ 

F. CONTACT

            Name _________________________

            Telephone _____________________

PART 3 - CEMS SPECIFICATIONS

A. REGULATORY REQUIREMENTS

1. The system must meet all the requirements of 40 CFR 75, 40 CFR 60 , and all applicable Local Requirements as required by attached operating permit. 

B.  GENERAL 

          1.  The Continuous Emissions Monitoring System (CEMS) shall be of the conventional extractive type, which includes a sampling probe and filter, heated sample line, gas cooler/drier with sample pump, and analyzers.   The system shall be controlled by a system controller which provides a means for calibration of the system, periodically checking the calibration of the system, control and/or correction for temperature and pressure as applicable, and detection of faults.  A DAS (data acquisition system) shall be provided to allow access to the measurement system and to acquire, store, and process measurement information so as to prepare reports required by the regulatory agencies. 

          2. Calibration checks of the system, both zero and  span shall verify  calibration at the sample probe, which checks the entire measurement system. 

3. Pollutant gas measurement techniques using Fourier Transform Infrared spectroscopy (FTIR), Electrochemical analysis, dilution techniques, or systems which transport and measure gases in a hot wet state are specifically excluded as being non-responsive to this specification. 

4.   Gas cooler/dryers shall be of the thermoelectric type. 

6.   The CEMS shall be designed and installed to ensure reliable operation with a minimum frequency and duration of system outages for maintenance and repair.  The system shall provide a minimum of 95% data availability when maintained according to factory recommended procedures and with factory trained personnel who have access to an adequate supply of spare parts. 

7.  System shall incorporate Ethernet connectivity which will allow for the remote access to the DAS, PLC and Analyzers to ensure the highest level of remote system support. 

8.  All system components shall be industrial quality and suitable for the type of plant environmental conditions to be encountered. 

          7. All necessary signal cables requiring special connectors shall be supplied with the system. 

          8. Complete engineering documentation of the system, as built, shall be supplied with the system.  Documentation shall include a description of all recommended maintenance procedures and spare parts. 

C.  INPUT/OUTPUTS 

         1. The CEMS shall provide one linear isolated 4-20 ma dc output for each measured parameter and each of the calculated values listed below.  The outputs

          shall represent zero to full scale reading for each parameter.  These outputs will be for the owners use in addition to any required for CEMS operation. Outputs  from either the analyzer(s) or the DAS are acceptable. 

a.   Nitrogen Oxides (NOx) in ppmdb, v/v (parts per million by volume dry basis)

b.   Carbon Monoxide (CO) in ppmdb, v/v (parts per million by volume dry basis)

c.   Oxygen (O2) in percent (by volume dry basis)

          d.   Nitrogen Oxide (NOx) Emission rate in pounds per million BTU. 

D.  GAS ANALYZERS 

          1.  General           

          a.  All gas analyzers  Shall have internal data storage for up to 1 million records.

          b.  All pollutant gas analyzers shall be multi-tasking, microprocessor based systems with Ethernet and RS-232 interfaces available to the system controller.  (no analog to digital conversion)

          c.  All gas analyzers must have an auto-ranging capability selecting the optimum measurement range for display, printer, and RS232 outputs.

          d.  All gas analyzers shall have a full range of status and predictive diagnostic capabilities such that if an operating parameter is out of limit, a message appears on the display as well as being sent to communications ports.  Operating parameters must be saved for at least one hundred days making the prediction of failures possible.

          e.  Analyzers must have sample inlet filters accessible from the front panel.

          f.  Analyzers shall come with interface software allowing for remote access to analyzer data and diagnostics.

          g.  Analyzers shall be equipped with a Ethernet and RS232 communication ports and be capable of multi-drop communications.

            2.  Nitric Oxide (NOx) Analyzer 

            a.  The measurement principle shall meet the requirements of 40CFR60 Appendix A Method 7E.  The acceptable method is chemiluminescent.

            b.  Performance Requirements:

                        1.  Range:  0-200 [0-5000;0-20] ppm (Auto-ranging)

                        2.  Noise:  Less than .2 ppb

                        3.  Lower Detectable limit:  Less than 0.4 ppb

                        4.  Zero Drift:  12 hours - Less than 0.5 ppb

                                                  7 days - Less than 0.5 ppb

                                                 30 days - Less than 0.5 ppb

                        5.  Span Drift:  24 hours - Less than 0.5%

                        6.  Temperature Range:  41 Deg F to 104 Deg F.           

          3.  Carbon Monoxide (CO) Analyzer 

a. The measurement principle shall meet the requirements of 40CFR60 Appendix B performance specification 4/4a.  The acceptable method is  Nondispersive infrared.  

          b.  Performance Requirements:

                        1.  Range:  As required by permit

                        2.  Zero Drift:  24 hours - Less than 2% FS

                        3. Span Drift:  24 hours - Less than 2.5% FS

                        4. Cal Error: 5%

                        5. Relative accuracy: 20%  

          4. Oxygen Analyzer

            a. The measurement principle shall be paramagnetic.

1.  Range:  0-25% O2 full scale

                        2.  Zero Drift: 24 hours - Less than 0.5% O2

                        3. Span Drift: 24 hours - Less than O.5% O2

                        4. Cal Error: 0.5% O2

                        5. Relative accuracy: 20%  

E. SYSTEM CONTROLLER 

            1.    Provide a programmed PLC to perform all control within the CEMS.  It shall have the following features:

                                    a)         Control the calibration cycles.

                                    b)         Monitor system for faults.

                                   c)         Provide 7 days of data storage in the event communication is lost to the Data Acquisition System (DAS).

                                    d)         Time and date stamp all l data

                                    e)       Local PLC Interface.  An alpha-numeric display with function keys to provide a user interface with the PLC.   

            2.         Input/Output

                                    a)         Provide analog 4-20mA dc outputs.

                                    b)         Provide digital outputs for alarms.

                                    c)         Provide 8 analog inputs.

                                    d)        Provide 16 digital inputs for system status monitoring.

                                    e)         Provide 16 simulator switches for manual system control.

                                    f)        Provide serial communications for CEMS analyzers.

                                    g)         Provide Ethernet communications to DAS. 

            3.         The PLC shall be packaged as part of the CEMS. 

F.         DATA ACQUISITION SYSTEM 

            1.    Provide a complete and functioning IBM Pentium compatible computer system with the following, minimum capabilities:   

                        a.  The DAS system shall use Microsoft® Windows® 2000 operating system.  The system shall allow for access to current or past data for trending, report generation or data transfer, while continuously collecting data from the e e e e CEMS. 

                        b.   Software and operating system requirements.  The system shall be:e:

                                                1)         Menu driven.

                                                2)         Password protected on multiple levels.

                                                3)         Able to view data in tabular or graphical formats.

                                                4)       Capable of allowing data, reason codes or constants to be edited.

                                                5)         Be capable of remote contractor support and trouble shooting via modem or VPN.

                                               6)       Be provided with all required reports, and allow for user modification of reports.

                                                7)         Provide a real time prompt for alarm acknowledgement. p;p;

                        c. System architecture.  The contractor shall design a system using the following hardware as a minimum: p;p;

                                                1)         Dual, 1GHz Processor Pentium 4

                                                2)         512 Mb RAM

                                                3)        4 -36GB Hot swappable hard drive in a RAID 5 array.

4)         1.4MB Floppy

                                                6)         56K Internal Modem

                                                7)         Internal tape back-up

8)         17" SVGA monitor

9)        DeskJet printer

10)       CD-ROM

11)       UPS                       

            5. Performance 

a.  The contractor will guarantee the DAS/software will meet the permit reporting requirements. 

b.  The supplier shall have successfully installed at least 50 DAS systems for EPA compliance reporting.  

 PART 4 - SERVICES 

A.SERVICES TO BE PROVIDED BY CEMS SUPPLIER 

            1.  Installation Verification and Start - up

                        a.  Provide instruction and guidance to the installing contractor for the equipment supplied under this specification.

                        b.  Inspect the installed CEMS equipment after the installation is complete.  Provide the owner with confirmation that the equipment is properly installed and is ready for energization.

                        c.  Perform start up and verify correct operation of all equipment supplied under this specification. 

            2.  Certification Testing

                        a.  Perform initial certification testing.  Notify owner prior to starting any testing.                       

                        1).  The Owner will supply all necessary calibration gases.

                        2).  The Owner shall provide all necessary plant operating conditions to complete the specified certification procedures. 

            3.  Maintenance Services 

                        A.  Provide a 1 year maintenance contract to commence upon successful completion of the certification testing:                       

                                    1).  Perform 4 quarterly scheduled maintenance visits. 

       2).  Provide 4 emergency site visits.  The contractor personnel shall be on-site in less than 48 hours from the time the owner contacts the contractor.

                                    3).  Provide unlimited telephone /modem support.           

            4.  Training Services

                        a.  Provide a minimum of 20 hours of on-site classroom training and instruction for operations and maintenance personnel for each plant site.

                        b.  Provide factory training for (    ) of the owners technicians.  Training shall be for a minimum of 24 classroom hours and cover the operation and maintenance of all components furnished. 

B. WORK AND MATERIAL BY OTHERS 

            1  Installation of equipment and components.

            2  Installation of all accessways, platforms, and elevators.

            3  Installation of all stack and duct connections to be used as attachments for equipment furnished by this contract.

            4  Installation of all cable and conduit exterior to any analyzer/cabinet furnished by this contract.

            5  Calibration gases for initial operation, certification and performance testing, quarterly audits and daily operation will be provided by the owner.