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Noise Reduction of Jumbo Mounted Percussive Drills: Phase I, Noise and Usage Survey.

Authors
Bender-EK; Rubin-MN
Source
NTIS: PB/265-083 Available for Reference At Bureau Libraries :82 pages
Link
NIOSHTIC No.
10000174
Abstract
Four drills--Gardner-Denver D93lAR and DH123, and Ingersoll-Rand D475 and VL120 models--were measured at the two manufacturers' test sites; data are given in terms of characteristic noise and vibration levels. A survey of percussive rock drill users is reported. The rationale for the choice of a demonstration drill, the Gardner- Denver DH123, is given and a desired noise reduction goal is established.
Publication Date
19760101
Document Type
CP; Final Contract Report;
Fiscal Year
1976
NTIS Accession No.
PB-265083
NTIS Price
A06
Identifying No.
OFR 45-77
NIOSH Division
PRC;
Source Name
NTIS: PB/265-083 Available for Reference At Bureau Libraries
Performing Organization
Bolt, Beranek and Newman Inc.
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