Vibration Monitoring. Prior to the commencement of any construction, demolition or site disturbance, VA and the City will establish, in consultation with the SHPO, a Vibration Tolerance and Monitoring Program (Program) to safeguard historic properties within the APE from inadvertent damage from vibration due to ground disturbing activities. A structural engineer experienced in traditional materials will develop this program and will take into consideration current soils conditions, strength and duration of disturbance, cumulative effects of ongoing vibration, construction type and current condition of built resources within the APE. The Program will reference the Bureau of Mines’ and Federal Transit Administration’s vibration standards and justify any discrepancies with these authorities due to site or location specific conditions.
Vibration Monitoring. All millwrights will be trained in basic vibration analysis. At least three (3) millwrights will receive additional training and will be assigned to vibration analysis routines on a rotating basis, provided there is sufficient interest within the millwright classification. The three assigned millwrights will be trained on the use of the vibration analysis equipment and software programs and will be expected to carry out routine vibration analysis throughout the plant as directed by the Reliability Department. If overtime is required to assist the reliability department, priority will be given in the following order:
Vibration Monitoring. A. The USCG will identify a vibration APE for construction and demolition activities that may have adverse effects on historic properties as a result of vibration impacts. The vibration APE will be based on a 500-foot radius from the construction footprint. 500 feet is considered a reasonable and conservative threshold for screening of construction activities that do not involve blasting, according to the National Cooperative Highway Research Program Project 25- 25 (Task 72). No blasting or explosives will be used by BNSF or their contractors. The USCG will distribute the vibration APE to the other consulting parties.
Vibration Monitoring. All motors shall be provided with non-contacting X – Y vibration probes and proximeters equal to a Metrix 5484 and cables wired to a common junction box. The shaft area used for probe sensing shall have a final surface finish of 32 micro inches (1.0 micrometer) maximum. SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT FOR THOSE TERMS HAS BEEN REQUESTED, THE REDACTED MATERIAL HAS BEEN SEPARATELY FILED WITH THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH TWO ASTERISKS (**). EXECUTION VERSION
Vibration Monitoring. The City shall ensure that the level of vibration from construction activities is monitored by a third party that is a qualified specialty engineer for the full duration of pile driving operations, and that vibration from such activities does not exceed 0.5 in/sec. Vibration monitoring shall be conducted consistent with the Florida Department of Transportation GreenBook (FGB) Section 455-1.1 “Protection of Existing Structures” (Attachment 5). Where the stipulations in this Section exceed or are in addition to FGB standards, they shall supersede those standards.
Vibration Monitoring. Vibration monitoring will be conducted on key funerary monuments within Riverside Cemetery, recommended in the aforementioned vibration monitoring plan. When a reading exceeds the established threshold, an alarm will sound and the Contractor - or the cemetery manager – shall immediately contact {insert position title here}.
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Vibration Monitoring. The USCG will identify a vibration APE for construction and demolition activities that may have adverse effects on historic properties as a result of vibration impacts. The vibration APE will be based on a 500-foot radius from the construction footprint. 500 feet is considered a reasonable and conservative threshold for screening of construction activities that do not involve blasting, according to the National Cooperative Highway Research Program Project 25-25 (Task 72). No blasting or explosives will be used by BNSF or their contractors. The USCG will distribute the vibration APE to the other consulting parties. BNSF will strive to avoid and minimize vibration impacts from construction on historic buildings and structures. BNSF will hire a qualified consultant (pursuant to Stipulation X) to identify historic buildings and structures (eligible for or listed in the NRHP) within the vibration APE. If any historic buildings or structures are identified within the vibration APE, BNSF will have 60 days from identification of said buildings and/or structures to conduct an initial screening evaluation by a vibration expert using methods recommended by the Federal Transit Administration’s Transit Noise and Vibration Impact Assessment (May 2006), taking into consideration local soil conditions. The Federal Transit Administration provides a peak particle velocity unit of 0.2 inch per second as the level for potential construction vibration damage to non-engineered timber and masonry buildings with plaster walls and/or ceilings. Peak particle velocity for vibration at the Bismarck Bridge will be specific to the bridge and take into consideration the existing vibrations it currently experiences from train traffic. If the screening indicates construction vibrations are likely to exceed a peak particle velocity unit of 0.2 inch per second at identified historic buildings or structures, or to exceed the velocity level determined for the Bismarck Bridge, then BNSF will explore the feasibility of options to reduce the vibrations below 0.2 inch per second at identified historic buildings or structures, or below the level determined for the Bismarck Bridge. If measures to reduce the vibrations to below 0.2 inch per second at historic buildings are not feasible, BNSF will perform a condition assessment on those historic buildings and structures within the vibration APE prior to construction. The condition assessment will be performed by the vibration expert, a structural eng...
Vibration Monitoring. Prior to commencement of excavation, the Contractor shall install unmanned continuous vibration monitoring equipment on-site, prior to beginning excavation works, to ensure that proposed excavation will not have an impact on neighbouring properties. The vibration monitoring stations are to remain in place until all excavation within the site is completed. Vibration monitoring shall consist of the installation of a total of six (6) monitoring stations, with four (4) stations to be located at the corners of the site and two (2) stations located approximately halfway down the northern and southern boundaries. Readings shall be obtained twice weekly and the data shall be reviewed by the Contractor to ensure the daily Peak Particle Velocity (PPV) does not exceed the suggested maximum limit. Readings obtained from the vibration monitoring shall be provided to the Contractor Administrator weekly, and a final compiled report summarizing the data and comparing the values to acceptable standards shall be provided to the City following the completion of all backfilling. BASIS FOR PAYMENT Payment shall be based on the unit price by month of monitoring for six stations including reading twice weekly and reporting.
Vibration Monitoring. Vibration monitoring by a structural engineer during the proposed excavation and construction works shall occur. All work should cease if any damage is noticed and remedial action taken prior to recommencing the construction.
