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<br />--t~ <br />~s~~j <br /> <br />. <br /> <br />Blasting is permitted only after adequate provision has been ~ade <br />for the protection of persons, the work, and public or nrivate <br />property. Approval by the contracting officer or his representatives <br />of any of the contractor's blasting operations does not relieve the <br />contractor of his responsibility for the safety of persons ond <br />property. Damage to the work or to public or private Droperty hy <br />blasting is repaired by and at the expense of the contractor. <br /> <br />Blasting in or adjacent to cofferdams, buildings, nwellings, <br />structures, or other facilities is carefully planned and controlled <br />to eliminate possibility of damage to such facilities and structures. <br />When appropriate, the contracting officer may require the contractor <br />to submit a controlled blasting plan which incorporates provision <br />for monitoring blasts with an approved-type blasting ~eismograph. <br /> <br />C. Applicable Federal Measures <br /> <br />1. Noise Control <br /> <br />The Bureau of Reclamation requires contractors to adhere to <br />safety, health, and environmental considerations which require <br />that noise level standards and protection from thereof be provided <br />all equipment operators throughout the project. Criteria for <br />containing noise is not specified in construction specifications, <br />but is set aside in the September 1971 manual titled "Safety and <br />Health Regulations for Construction" under applicable regulations <br />of the Department of Labor. A guidebook titled "Environmental <br />Guidebook for Construction" prepared by the Bureau of Reclamation, <br />dated 1974, was designed to help all those concerned with the <br />everyday problems of environmental conflicts during construction. <br />The "Safety and Health Regulations for Cosntrucit0n Manual" and <br />the "Environemntal Guidebook for Cosntruct10n" are issued to <br />contractors at preconstruction conferences. For additional information, <br />see the Final Environmental Statement, Chapter V, Section D, <br />pages V-15 through V-17. <br /> <br />. <br /> <br />2. The Federal Water Pollution Control Act (Public Law 92-500) <br />Compliance <br /> <br />The Federal Water Pollution Control Act, as amended by Public <br />Law 92-500, prohibits any discharging of pollutants into a waterway <br />from a point source unless the discharge is authorized by a permit <br />issued by either the Environmental Protection Agency or by an <br />approved State agency. <br /> <br />V-4 <br /> <br />. <br />