SXL will proceed with the implementation of this Vibration Monitoring Plan unless otherwise advised to modify.

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1 From: To: Cc: Subject: Date: Attachments: Schaeffer, Brad "Scofield, Brian" "STYLES, MONICA L"; EMBRY, CHRISTOPHER P; Gmec Consulting; GORDON, MATTHEW L; Shellenberger, Pamela; "Anderson, Robert"; Smith, Preston PPP Vibration Monitoring Plan and HDD at A54/A55 Tuesday, October 04, :21:00 AM USFWS_ pdf Bog Turtle HDD GeoPhone Specs.pdf Hi Brian, Outlined below are the procedures SPLP plans to implement as a Vibration Monitoring Plan to record and document the vibration levels at the horizontal directional drill (HDD) of wetlands identified as A54 and A55, of Sunoco s PA Pipeline Project. Two (2) unattended engineering geophones and seismographs will be used to measure the HDD vibrations transmitted through the ground. One geophone will be placed at each wetland as close as practical to the drill path. The geophones will be buried at a minimum 1ft below the surface and a maximum of 4ft, and are cabled to the seismograph. The cable is not buried. The seismographs measure three orthogonal channels of ground motion, with a peak particle velocity (PPV) range of to 10.0 in/sec in a frequency range of 2 to 250 Hertz. The ground channels yield a complete time history of the motion, and are sampled at 4,096 samples per second. A histogram of the PPV versus every one-minute of the day will be recorded. Each seismograph can be communicated with via cellphone, so real time data can be collected if need be. Seismographs will be mounted on a 4X4 post in an upland location, that will be removed along with the geophones once monitoring is complete. Installation, removal, and any maintenance will be monitored by a bog turtle specialist. Approximately two weeks of ambient monitoring will be conducted before the HDD begins. A vibration monitoring summary report will be prepared and provided upon completion of the monitoring. SXL will proceed with the implementation of this Vibration Monitoring Plan unless otherwise advised to modify. =========================== ======================= Regarding the attached September 15 letter and the HDD at A54 and A55: As discussed, the project schedule for drilling of the pilot hole will be after October 31 with the HDD likely to start after November 1. As indicated within our August 19 correspondence and discussed as an option during our August 10 meeting, SPLP will implement the bog turtle monitoring and vibration study as additional avoidance and conservation measures should it be necessary to start or complete the HDD after November 1st. Based on our previous discussions regarding the implementation of the additional avoidance and conservation measures, SPLP concluded that the September 15, 2016 Not likely to adversely affect determination remains valid. We respectfully request your concurrence.

2 Please let us know if you have any questions. Thank you, Brad Schaeffer Brad A. Schaeffer Project Manager and Senior Biologist PMP Tetra Tech Natural Resource Services Main: Cell: Tetra Tech Complex World Clear Solutions 301 Ellicott Street Buffalo, NY PLEASE NOTE: This message, including any attachments, may include privileged, confidential and/or inside information. Any distribution or use of this communication by anyone other than the intended recipient is strictly prohibited and may be unlawful. If you are not the intended recipient, please notify the sender by replying to this message and then delete it from your system.

3 INFRA V12 A DIGITAL GEOPHONE IN THE INFRA-SYSTEM INFRA V12 Triaxial Geophone The INFRA system is used to monitor construction activities, blasting, train traffic, road traffic, vibration in buildings etc. The V12 Digital Triaxial Geophone has vibration sensing elements sensitive in three directions X, Y, Z, together with Digital Signal Processing. The Geophone can be directly connected to the INFRA field monitoring system. All filtering, signal processing and detection is done digitally in the geophone. Before the recording/scanning is started you only select the wanted standard that is presented in the display of the INFRA data logger or Remote in INFRA Net Manager. INFRA C12 measures according to the following national and international standards: ISEE Seismograph, Hz DIN Anlage, Hz DIN KB, 1-80 Hz BS 7385, Hz AS , Hz ÖNORM S 9012, 1-80 Hz ISO 6589 Acceleration, Hz NS 8176 Komfort, 1-80 Hz NS 8141 Byggverk, Hz NS :2012 Byggverk, Hz SS Spräng, Hz SS Schakt, Hz SS Komfort, 1-80 Hz Geophone, Hz

4 INFRA V12 Technical Data DIRECTION OF SENSITIVITY V12 is triaxial and measures vibration in three directions. It has holes for mounting bolts (M6) for wall mount and floor mount. MEASURING The geophone has a built in digital signal processor. The signal processor processes all incoming data in real time according to the selected standard. The sensor works in combinational mode. It measures maximum values for each interval (selectable from 5 sec. to 20 min) according to the selected standard and at the same time it triggers and record time histories when the trigger level is exceeded. SAMPLING The geophone signal is sampled at 4096 Hz using a 16 bit A/D converter which gives a wide dynamic range. When a preset threshold is exceeded a time history is recorded. Even some time before the trigger time is stored (pre-trig). If any sensor in a sensor network triggers all sensors will record transient data synchronously. RECORDING TIME Recording time up to 40 seconds at 4 khz sampling. As soon as a time history is recorded in the geophone it is sent over the INFRA bus to the master unit. POWER SUPPLY The Geophone is powered via the bus cable with 12 Volts DC. Power in monitoring and recording mode 75 mw. Power consumption is higher during communication over the bus. MEASURING RANGE Frequency range 1 Hz Hz The Geophone has a calibrated sensitivity within +- 2%. Maximum vibration level is 250 mm/s (10 in/s) dependent on the selected standard. High range is 0.05 mm/s to 250 mm/s (0.002 in/s to 10 in/s). Low range is mm/s to 25 mm/s ( in/s) to 1 in/s. The noise level is extremely low due to the internal A/D converter. IDENTITY The geophone has a unique ID number that follows the recorded data. This makes it possible to trace data to a certain sensor. CALIBRATION Only the geophone has to be calibrated. The rest of the the system is data communication and data storage. The Geophone has an internal memory for identity, calibration factors, calibration date etc. Even the calibration date is supplied with the recorded data. TRIGG-SYNCRONISATION All time history recording sensors that are connected to the same INFRA bus cable will record data simultaneously if one sensor triggers. Acts as a multichannel transient recorder. MECHANICAL Watertight anodized aluminium house with rubber seals. It has holes for bolts passing through in both vertical and horisontal direction. Can very easily be bolted to the floor or to the wall. Dimension: 102 x 78 x 75 mm (4.0 x 3.1 x 2.9 in) excluding connector and standoffs Material: Anodized aluminium Protection class IP67 Weight: 1180 grams (2.6 lbs) ACCESSORIES Se the product catalogue for accessories. CE APPROVAL Fulfills EMC demands according to: EN V1.8.1 (2008) EN V1.3.1 (2005) EN (2006) SENSOR ELEMENT The sensor element is a high quality velocity sensing geophone. It is very rugged and has the following properties: Long term stability Wide temperature range -20 to +50 C (-4 to 122 F) Wide dynamic range Product specifications and descriptions in this Version: document are subject to change without notice. Doc. nr.: Copyright Sigicom 2013 SWEDEN info@sigicom.se GERMANY info@sigicom.de USA info@sigicom.us FRANCE info@sigicom.fr

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8 INFRA MICRO A DATA LOGGER IN THE INFRA-SYSTEM INFRA 4111 Micro Data logger with the possibility to connect an external modem - INFRA Micro 4030/4060: Includes a 30Ah/60Ah enclosure The INFRA system is used to monitor construction activities, blasting, train traffic, road traffic, vibration in buildings etc. INFRA 4111 is a complete digital data logger with high capacity data storage and flexible communication capabilities. Data is automatically sent via the internal or external modem to a database on the Internet. Data is sent on scheduled times and when a trigger has occurred. SMS with event data can be sent directly from the instrument to a number of cell phones. Project administration, data presentation, reports, analysis and graphs can easily be performed with INFRA Net Manager & INFRA Web. INFRA 4111 features: Low Power Consumption Plug & Measure installation of sensors Up to 256 Mbyte CompactFlash memory Up to 16 sensors per INFRA Micro External power for long term unattended monitoring Built-in GSM/GPRS modem Possibility to connect an external modem Extremely rugged design Remote Control from INFRA Net Manager No calibration needed

9 INFRA MICRO Technical Data DATA INPUT Bus cable for data communication and power supply for connected sensors. The sensors are connected with a T-coupling and a drop cable. Up to 16 sensors can be connected. All sensors and sensor converters has an industrial type M12 connector Maximum total cable length 500 meter. Maximum drop cable length 5 meter. MEMORY CompactFlash memeory card typ II. 256 MB standard. All data is stored with FAT filesystem and can be read on any Windows PC. A 4-channel recording of 10 seconds duration needs around 128 kbyte of storage space. The standard memory will store seconds events. DATA TRANSFER All data files are buffered in a spool directory on the memory card and are sent when the next communication takes place. If communication is not possible data are stored for transfer at a later time. DATA SMS INFRA 4111 can send an SMS to a number of cell phones with data from a triggered event. SERVICE SMS SMS can be sent directly from INFRA 4111 to service personnel when battery voltage is low, if sensors are lost/disconnected or when memory is close to full. POWER SUPPLY External lead-acid battery. INFRA 4111 supplies power to all connected sensors. MENU SYSTEM SOFTWARE Software updates via RS-232. CALIBRATION No calibration needed. REMOTE OPERATION Instrument and sensor settings can be changed from any PC using INFRA Net Manager and an Internet connection. MECHANICAL 4111 Watertight die cast metal box Dimension: 180 x 140 x 70 mm (7.1 x 5.5 x 2.8 in) (excluding connectors) Micro material: Aluminium alloy Weight: 1,4 kg (3,1 lbs) battery not included OPTIONAL ENCLOSURES SIZE 4030: Enclosure for 30 Ah battery Dimension: 370 x 319 x 179 mm (14.6 x 12.2 x 6.7 in) Material: Polycarbonate 4060: Enclosure for 60 Ah battery Dimension: 424 x 374 x 204 mm (16.5 x 14.6 x 7.9 in) Material: Polycarbonate POSSIBLE MODEMS THAT CAN BE CONNECTED Telit GT863-3GG CE APPROVAL Fulfills EMC demands according to: EN V1.8.1 (2008) EN V1.3.1 (2005) EN (2006 ) All sensor settings can be changed via INFRA 4111 keyboard. Data from sensors can be displayed. DISPLAY Auto off 4 lines, 20 characters per line standard. Operating temperature 20 to + 50 C (-4 to 122 F) Product specifications and descriptions in this Version: document are subject to change without notice. Doc. nr.: Copyright Sigicom 2013 SWEDEN info@sigicom.se GERMANY info@sigicom.de USA info@sigicom.us FRANCE info@sigicom.fr

10 INFRA NET INFRA NET INFRA Net Internet based measurement solution INFRA Net is a web based system for administration, analysis, reporting and With INFRA Net you can view real time data and information from your INFRA systems online. It is easy to manage la large number of INFRA Systems with INFRA Net. By building, administrate and report your projects directly in INFRA Net you will save time and increase your productivity. Based on the projects and measurement points you can easily extract reports in PDF format that can be sent directly to your customer. The software contains a powerful analysis function allowing you to generate different types of charts and curves from transient and interval. INFRA Net s remote control enables you to change measurement settings, connection schedule and much more directly from your office. Live presentation of data or data transmitted from our server via or SMS directly to you. INFRA Net has the following components: INFRA Net Manager INFRA Web Application Projects administration Reporting Customization Customer database Remote control Equipment overview Analysis Reporting Present your data Easy to give your customer access View system status Customize with logotype and colors Instant bar graphs and triaxial reports INFRA Live INFRA Messages

11 INFRA NET INFRA Net Manager PROJECTS FROM SENSOR TO REPORTS Build your projects Add measurement points (MP) Connect sensors to your MP Input MP coordinates (GPS, X-Y-Z, ) Add blast information, coordinates, charge weight Distance calculation of data when blasting Connect projects to your responsible coworkers REPORTING Use the powerful project report function or report from single sensors View transients Do your analysis Create interval bar graph or reports Multi report with the new Daily report ANALYSIS Integration Differentiation Frequency analysis (FFT) Third octave analysis Shock response spectra. REMOTE CONTROL Change measurement standard, threshold, recording time, interval time. Set the time zone you measure in Get alarms on low battery, GSM coverage, cable loss and other critical information EQUIPMENT Get a overview of your INFRA systems health Battery voltage, calibration date, software and hardware version View amount of Data transferee from loggers to database CUSTOMERS Build your customer database and get the right information on your reports Add customer contacts SETUP Customize your INFRA Net Manager software Set your preferred language Add your coworkers as consultants Get your company logotype on the reports INFRA Web Application PRESENT YOUR DATA View either transients recordings or interval values EASY TO GIVE YOUR CUSTOMER ACCESS Administrate and give your customer access to your project in a couple of seconds. VIEW YOUR INFRA SYSTEMS STATUS Battery status, GSM coverage, connection and calibration date CUSTOMIZE WITH LOGOTYPE AND COLORS Add your company logotype Adapt the color pattern to represent your company profile INSTANT BAR GRAPHS AND TRIAXIAL REPORTS View 2 days, 7 days and 28 days bar graph PDF Triaxial report on all events INFRA Live PRESENT YOUR DATA Make your data stream live from the sensors to a web presentation Set alarm and alert levels with visual and sound notice Scroll back and see a history of data at the same time as you see your data live View a history of data where you easily can point out alarm or alert breaches INFRA Messages SEND OR SMS Add contacts with name, company, , phone number Send messages in forms of or SMS/text messages to your contacts Customize your messages with information from your project, measuring point and sensor. Set different rules for your messages, on Threshold, absolute value or percentage of Alarm. Choose what time, weekdays messages will be sent Set max SMS/text messages per hour INFORMATION Check your current version See delivery date, warranty and much more Product specifications and descriptions in this document are subject to change without notice. Version: Doc. nr.: DS089_D2150-EnB Copyright Sigicom 2014 SWEDEN info@sigicom.se GERMANY info@sigicom.de USA info@sigicom.us FRANCE info@sigicom.fr