Document ZnJz5V0wR7b8DNrxO75bRmQOd

FILE NAME: Asbestos Cement Pipe and Sheet (ACPS) DATE: 1947 DOC#: ACPS002 DOCUMENT DESCRIPTION: Book Excerpt 1 c__ 5 Industrial H ealth i Engineering . - i \ by Allen D. Brandt, B.S., M.S., ScD. i ^ I industrial Hygiene Engineer J Bethlehem Steel Company j !i \ ifI 1947 John Wiley & Sons, Inc., New York C hapm an & Hail, Ltd., London ' ~v -ni i N I n s i i d A I, 11 !.a i . i t i i. \ ; I \ I I i; i y ; Woodworking, Kven though ...... woodworking marhineiy pn.diiccs only a fin: ami nuisance hazard, il is so enminon in imlmlic Unit llir engineer needs (o have information on (lie design of du-t control for such machinery. I' nil liermore, many of Ilie shapes ami principles demonstrated in local exhaust, ventilating systems for woodworking equipment can he applied successfully to other sources of dust or atmospheric contaminant production. l 'n.Citr, Pili. Hnllow-Trnnninn Tnm M crs with hom i I'lxhaiisl Vi til iltitum ( C o u r tesy Ammetto j\ir Idler Co.) T.oeal exhaust hoods and connecting ductwork for four different types of saws are shown in figures 129 to 132, for a jointer in figure 133, and for three different types of sunders in figures 131 to 130. A suggested exhaust-vent iltiling-system layout, for a woodworking plant is shown in figure 137. Information on duet sizes for the hoods at most types of woodworking equipment is given in tables 37 nml 38. The volume rate of exhaust is computed from the duet In the Ini! timi also Hurrecouimended duct velocity for fa ;***- * .. tCVi Vv f! w n I M l \l M '-\ ' l l M ' >l' l I I N C 1*1 - H . N' I >\ I \ '-' ll F iouhb 127. Locul Kxlum-I V riidbtinri ,| ,, ] lollow-Tnmninn Type Tiiml.l. r Ftuiuw ; |2S. hnrioMii V nifi laxa! ICNI*:n i-f at n TuuUt F ioukk 129. Forai Kxlmust at a lal'f1Si\v ( t 'ui/r/iw;/ ,V. )*. D ivin im i Iw /iv tn n t // /-/i ut' nttt{ Stift t y St*in*f*it'f ) TAU1.K M j U mon P ata kou F ocau Kxuav^ t S tsn.M s at W noow ouhtstt M achinv.h / K v I w iO n I v r i i t i l u t t f u i m . << lu* <** u n \ 'I i\*' J . . . c i o <f .llU Y f i. .. .1../. *. .J, . t v \