Document 91mkMLY367brO66Kx62OgbLND

762 S. K. GtTTH AND E. A. LIN8DAY .TABLE 2 Specific Recommended Values of Illumination" Current recommended practice, footcandlea in service (on task or 30 in. above floor) footcan in servic (on tas" or 30 i* above'flo Airplane manufacturing Stock parts Production 70 Inspection 150 Parts manufacturing Drilling, riveting, and screw fastening 50 Spray booths 50 Sheet aluminum layout and template work; shaping and smoothing of small parts for fuselage; wing sections, cowling, etc. 70 Welding General illumination 70 Supplementary illumination 2000 Subassembly Landing gear, fuselage, wing sectionspcowling and other large units 50 Final assembly Placing of motors, propellers, wing sections and landing gear 70 Inspection of assembled ship and its equipment 70 Machine tool repairs 150 Assembly Rough 50 Medium 100 Fine 200 Extra Fine 500s Automobile manufacturing Assemblylme.... --........................ ....150 Frame assembly 50 Body manufacturing Parts 50 Assembly 50 Finishing and inspecting 300" Mixing room Face of shelves (vertical illu mination) Inside of mixing bowl (verti cal mixers) Fermentation room 30 20 1006 20 Make-up room Bread Sweet yeast raised products Proofing room Oven room Fillings and other ingredients Decorating and icing Mechanical Hand Scales and thermometers Wrapping room -Storage room Shipping room Reception rooms Washrooms, stairways HallB, corridors, passageways Book binding Folding, assembling, pasting, etc. - -......... -...........-....- Cutting, punching, and stitch ing Embossing Breweries Brew house Boiling, keg washing, and filling Bottling Building Construction Excavation work Candy making Box department Chocolate department Husking, winnowing, fat ex-----------tractio$~eroshlMg~and"re-~ fining, feeding Bean cleaning and sorting, dipping, packing, wrap ping Milling ----Gream-making Mixing, cooking, and mold ing Gum drops and jellied forms Hand decorating Hard candy Mixing, cooking, and molding lighting fob seeing 763 TABLE 2 (continued) Current recommended practice, footcandlea in service (on task or 30 in. above floor) f|y.e cutting and sorting , 100 Jjjpinaking and wrapping 100 icial holiday candy--hand Ijgorating 100 ling and preserving (from JEiS. report "Lighting for Canneries' ') Jeiving "rading raw material samples 20 gTomatoes Job grading (cutting rooms) 100 1004 jjaration .r'eliminary sorting '|Apricots and peaches 50 Tomatoes 'jijlives loo 125 putting and pitting 35 jhal sorting 100 ffifiSng gtintWourbeltmffni'ng"......--100... Silk canning 100 Haiid packing 20 :6lives 50 animation of canned dkfilples 'bntainer handling 1504 inspection 150" |$hj,unscramblers iS>elin6 and cartoning 10" 20 'tdbBle warehouses ducal works end-furnaces, boiling tanks, iStittionary driers, stationary 5 anfjjgrayity crystallizers_________ 10 Jehijnical furnaces; gen- S^rs and stillB, mechanical driers, evaporators, filtra tion, mechanical crystal- "16133, bleaching Sfoi-cosking, ^extractors, 20 'TOH'.BtOffl, electrolytic cells Isolators, products and cements 50 Gliding, filter presses, kiln ,ppns 'oj^mg, pressing, cleaning and ' ling Current recommended practioe, footcandies in service (on task or 30 in. above floor) Enameling Color and glazing Cleaning and pressing industry Checking and sorting Dry and wet cleaning and steaming Inspection and spotting Pressing Machine Hand Receiving and shipping Repair and alteration Cloth products Cutting, inspecting, sewing Light goods Medium goods Dark goods Pressing, cloth treating (oil cloth, etc.) Lightgoods Mediumgoods Dark goods Coal tipples and cleaning plants Breaking, screening, and clean ing Picking Construction, indoor, General Corridors ... Control rooms Vertical face of switchboards Simplex or section of duplex faoing operator Type A--large centralized ... ^ntrpl..iSiftfij66S>nSii?'s_ above floor Type B--Ordinary control rooms at 66 inches above floor Section of duplex facing away from operator - ~Bench boards (horizontal level) Area inside duplex switch-, boards (horizontal, 1 foot above floor) Rear of all switchboard panels (vertical) 50 30 300 50 100 30 300 50 150 6001 20 5004 100 50 (continued)