HEADQUAR TERS Bruel Kjr Sound V ibration Measur ement AS DK2850 Nrum Denmark T elephone 45 77 41 20 00 Fax 45 45 80 14 05 www bksv com infobksv com Local r epr esentatives and service organisations worldwide BN 1379 12 201403 noisesentinel bksvcom The stakeholder web is ideal to shar e noise information with the community The noise compliance chart shows your noise level history against set limits For a drilling contractor doing all of the above while focusing on the core job of drilling presents a signifcant but necessary burden The risk of not meeting the challenge can be expensive not just in lost hours from drilling shutdown but in the cost of establishing additional mitigation measures and possibly most signifcantly in the loss of trust with communities and regulators which could hamper future drilling applications How can Noise Sentinel help Noise Sentinel was originally developed for longterm or permanent monitoring of noise compliance but with some small adjustments it has proven to be an extremely ef fective way of managing the noise from shale gas drilling activities Using portable hand carry noise monitoring instrumentation addresses the need for frequent relocation Rather than equipment being installed on permanent monitoring masts it is provided in a portable form for deployment by the drilling contractor or other parties on their behalf Deployment involves mounting a microphone on a tripod and connecting it to the monitoring unit and takes less than 10 minutes The unit is calibrated on site ensuring measurements are accurate Data is measured and transmitted in realtime to the Noise Sentinel servers where it is processed according to the required legislation In this way understanding which levels are permissible is done automatically by Noise Sentinel leaving the contractor to focus on his drilling task Should levels approach compliance limits then the contractor is warned before a breach occurs enabling them to change operations to bring the drilling back into noise compliance All this data is recorded and available in periodic reports that can be submitted daily or weekly to the city regulators Reports can be compared to the ambient noise level survey Furthermore a dedicated website called the Noise Sentinel stakeholder web is available and shows the current noise levels updated live to authorised users in the community or city They can also look back over previous days and listen to any signifcant noise to determine its cause This approach is an ef fective way to build trust with communities and regulators Experience in the United States Bruel Kjr has over 50 noise monitoring terminals operational in the shale gas drilling market Noise Sentinel has been active since 2010 in the T exas Barnett and Pennsylvania Marcellus Shale regions Equipment is operated by several companies providing services on behalf of the drilling companies involved The portable noise monitors ar e quick and easy to set up and r elocate and will have you monitoring noise within days Greg Bracci Business Development Manager Bruel Kjr