Document MGyVzMVZvyZxVq2eDeXzM4ppL

II v t. >;(, TT Intra-Company Communication <mw. * 1 Mr* MacNaughton, Manager Blast Furnaces and Coke Ovens Xi-y Hei Periodic Survey - Blast Furnace A^aas CONFIDENTIAL Kpril 1$> 1957 fiClM. . / | 1 rL. La? jL i* St^During March and April the waiter ha A reviewed all Blast Furnace, wu from an industrial hygiene view point, 13,1 unination, sanitation, dust, gas wr r noise jwere evaluated. Attached are deit',taa"-iillee'KSd datta sheets snowing results obta ined. J \ V-V3^ Summary aunadd BBeeeetltelendatlona * ^j f 1.\Vaah, toilet and locker areas were generally good. A few specifip comments aqg,.> whow^'UB the attached laboratory re port. - Mainly, slant tops are needed op lockers. 2. JHmination labels are fair. Admittedly the type ofjXtt&errVff^i^vrrireicePcPon dOTiS nofr requAreoprecise meksurfr^^j Some impro^eaenvSo a minimum of 10'f^ot-candlesjin ( Jr specific work area|Fjil'.rinJed. Vv..a/ '' f'%. *" Noise levels measured last fall show one area where protection is nehd4j L9 . 4 . is at te Sinterin^jJintk coal car vibrating station. ' U Dust-wise the klnterEtent is a troublesome area. Thfifirsyloor west end iS very poorly ventS3jjflj3lr and a dust hstl*Ma ^xlsts here.has previbmsiy jfcen reported, and no remedial action /has beera taken. ,CS^on monoxid In the Blast Furna4Sareals a continuing problem. Th^pre- V- IssiyWara system and use of air sampling equipment before doing extensive " >> maintenance work helps keep this problem in control. Such preventive measures fOGar` continued in effect. /*V This office would appreciate" hearing through your routine action taken or planned on items 1 through 5 within the next month. any v^y Wash, Toilet. Locker Areas: In'all Blast rurnace locker rooms and the one at Hi-Line 97 the lockers ars of the flaptop variety, It has been foqgjyifef^i50 slant top lockers are much easier to keepvolean, and such tops minimize the"' collection of assorted odds and ends opAac^ui tops. This condition should be corrected. &*** r- . M)onm :> HFM - 007927 SCF-FORD-0185 Hr. F. P. KacHaughton -2 - April 15, 1957 The shower walla in the foremefdp lpj^jter room and the B Furdace shower room are very dirty. These should be crelWK' In the B Furnace wash %Oi)ve the managers office both water pressure^ijci.. temperature seem to be a problem. It Is recommended that these conditions bapSMfecfdr and corrected if poss^RIe. Illualnation Levels Most Blast Furnace gftd^inter Plant operations & nbt r4iuire precise seeing when compared to a tool flftop,noinphe like. However, a itflimum of 10.- foo*andles is felt to be desirable^ in areas of weighing, guaging and ^e like. In addition, wash, locker, lunch and to^at arses should be kept at jETb^Jtpcahdles The ship hoist load and unload areas andxW>^oremen'3 locker room borch nj0bd improve- sent in this area, ^ jfijiib * *"4fhe only high noise level obtained 4* the car shaker operaflfonal cites ide the Sinter Plant where coal cars are emptied r^The operators of this operVTionf should wear ear plugs and have a routiiiit.audiometric examination. " Dag,t ^ regular production areas of thafdttl(xt Furnace dust is not fo 6xc6ffsi^e. In the Sinter Plant, howevel?, the area at the west end of 90 ttva jGirst floor is one of the dustiest ever /bund in Ford operations. J Obviously, all afen^n this plant should wear appro*edU chjJSC respirators and have M&&&1' yjest f x-rays. This one area creates dust which'carries to many other parts' of this ' ^uildihg- The review of ventilation in this plant made last August pointed out thi^^rel specifically as a poor one. ^fcossible for this office ,td unoer- 5--,-t-a--njp HhJjf -no -c--o--r-r-e--c--^-fc--t-m-----i-n----t--h--i-s----a--r-e--a-ashabseen made. Obvi o* the inadequate ventilatjiomjfar in order. c f:Carbon Monoxides J^T'Ofr^s electrical vejAkJJr},dp the :bon Monoxides UfiT5~dfrtce along with your __ bous carbon monoxide alarms in adjustment. This program s&Suld be 'continued. In addition, through J|fat*^raining of ypur personnel this office i3 called tcP^e s ipEedeotf^fhen valves^fftTcnfftaged or the like. At those tiJKs a cWck of carbon o'monoxide leakage isf made. tinued in effect. This type of program works verw- well, Nr. AH - tt should be con- -1. rr v. * J. C.^Radcliffe Supervisor Indus trial Hygi Medical Sectionf rs. N, E. Rothenthaler R. Laux W. Wotherspoon G. Holmes E. A. Irvin, M.D. R. T. Ross D. L. Block, M.D. r:;. .?;*! 'JF' r )p&fc'dfvatf & t-- AOOOOia HFM - 007928 Location Toileta DATA SHEET Sanit*f?) Facilities Bla-s--t---F--i-r-o--a^ce--s-----Wash Urinals Showers ^Lockers Basins C ^Powdered Bradleys^* Soip^ Paper Towels Blast Furnace- - Down Blast FHirnace B Foremen B Blast Fjirnace North 31aet Furnace A South Sinter Plant. Hi-Line 52 A Hi-Line'9? Hi-Line 135 East Boatj Dock^ 3 3** 2 3 1 2 3 2 3 3 2 2 1 2 1 1 2 2 2 3 (** 2* 50* 22* r 6^: Kw 3 71* , JQ9 :>l9o 131* 6h OK OK OK OK OK OK OK OK OK ^ r^r OK/ NOTE: ` noslant top on lockers. 9nr poor wa ,er pressure for flushing shower walls very dirty, Onox foot pntdi- -6lrty, only cold water available here, and water is constantly leaking.*- 1 Si IlluminatioQ^erels Blayt Furnaces r r* cr Location Results '"i. Furnace - oom and Toileta Furnace Main Fl^or Furnace s, etc. Locker Room gers Offi -- Furnace - Main Floor ( p Furmnace - At images, etc, __ Furrn.ace - Toilet Room t . A SSiupervisors Locker and Toilet Room .A Furnace - Main Floor Furnace - At Guages, etc. tjS^T Furnace - Locker Room and T Hi-Line - Toilet Area Skip Hoist Loaders Under Hi-Line ' Sinter Plant - Main Belt Floor Sinter Plant - On Belt Return Ground Level Floor Sinter Plant .r ^Lockers for Sinter Plant various Enclosed Conveyors SinteP '.VlWilAat < `7-^ HFM-007929 '& "^000011 u Over-All Noiae Readings Blast Furnace Area Location {' ,f Hi-Line Area Hi-Line Area A #lL6 to$r$'tli e& Vibrators screening coal at C Blarj^&^gace C Blast Furnace Ground * JCir intake *Internitt9d^;V- Blow off 2nd Floor 3 Blast Furnace Ground floor , 2nd Floew * 4 A 31ast Furnace Ground Floor i 2nd FloW: Sintering Plant 1st Floor J 2nd Floor 3rd Flo* v*/ / Vibrator Coal fines unloading 1st Floo^f Resul in Decib3e a*:.S 75-8(f agt- i eS-i^ ^ 90j--9y8' \-n855-9^ 88 85J-95T90-3 91~92JS*k 92-3 ^ J \ rr r^ NOTEi Octave Band Analysis . Occasional noise sotyca* fit. ' Frequency in Cycles Peiv/Second , u *'VA ~` *T" 20- 75- 150- 300- 6S5- 1200>^2100- 1 Location Over-all 75 150 300 oCO 1200 2L00 Ltctxa <1 v V'^4 r" a r "T `Sintering Plant Cca^ Car Viorator no looo^, <.^ 106 103 102 101 me en Vibrator t Furnace 96 s? 85 ft 90 90 90 ex LcCO- ,, lOKp, - > 96 r" d Tentative Maximum Goal 96 9U 9L 9h 3?- c^ V`.v j/ t. - H-m V^ :** >**>** f-------- 4 Aooooin HFM- 007930 Duet Concentration* Blast Furnace and Sinter Plant Sample No* Location of Results 1 Loading Weigh Cars 2 Loading Weigh Cars 3 Conveyor for Sinter from Sinter Plant j to Hi-Line LU Along Sintering Machine Aisles '5 Along side Pug Mill (Area ' 6 Floor level of Beturaqfl^tyf Belt - especially dischargeena ? West end of plant at^round Floor 8o Platform level above sampleNo. 7 MPPCF means million dust particles per ctbic foot of air. NOTE* The State of Michigan allots for iron oxide dust an ea^oeure to 50.0 MPPCF. . io jfW'yt \ `4 / HFM - 007931 V ^ 7< 5ft/`r* - AOOOOin