Document qkaZJXMeDvxwNGw7rBYJjy8Oq

mwm .............. "' "p LI*08 332 LEAD INDUSTRIES ASSOCIATION PWPPPW**IW1(^^ L IA08333 UU- m*m aMflrwrt. wx mom cuu. CAJUL t o * Dcpartaant of Cperatlod sad Maintenance Special Znflnserln* filvlslea m AH MOt Diablo Ail^tU, C. X., January 1A, 19A8. wd Lsed Tsehaleal Coadtt Lead InduS-rla* ASSOCiatlM A20 Lsxinfton iniuti It* Tort 17, *. X. Atteatloa, Mr. C. J. Iiator TiU Dw Special tnplneerinf Division of The Fimm Canel has boon CMt> dwctlaf field UlU on protection of otesl martlet with hot application bl~ Uadnous niMU. P>*M tost enaaels wore applied to the Fanaaa Canal lock pUi la stripe ten feet wide la sufficient langth to corer all variations la the types of exposure. Ihe enaael surfaces exposed to direct solar radiation have failed either tgr 00(4104 or checkin* and craddn*. A further lnwestlfatloa la bclac planned to detemlne which protooties coatlacs will best withstand the severe solar radiation of ths tropica, alternate and continuous eubeersioo exposures are also planned to proTide tddltlonal Information. Cold application protective coetlnn and nilfoulInf aaterlala will be lncladed la thle investigation. Teat panels will be wapoeed as follows1 Ataoepherlc exposures st Klraflores and Cristobal, C. Z. Sitemale a.boaraion exposure to sea water. Fort Asortor, C. Z. Continuous *uboar* ion sxposure to sea water. Fort Awedor, C. Z. Contlmoua eubearsIon exposure to fresh water, Oetua, C. Z. The slses of test panels, to be exposed la dupUeate for each Spate*, are as follows. Alternate and continuous subwsrsien A twospheric Laboratory oontrol V x 9* * 1/8" A* * 6* x 1/8" F* x A* X l/8*# All protective coatIn* systow* will be applied to steel surfsees, la ad dition, for sowi-larfe-acalc tests 00 the Pacific side of the Xsthwus only, the folloaln* cwrfaoe areas will bo allotted for each protoctlve eootlnf VtlMI Karine atnoepheric, waylay Sea eater subnvrolon, sailwua 10 Shuars feet* h% 200 square feet. IIIAI Lilllfi ILI'IMIPPSI m '/ lll ii iH>t*iTiin iw i i ; mm m*. ................... wmm L1A0833^ Inforaatioa li n^iiUd U to eoapatlbl* prlaar and antifoaling ooapounrt* Alch an rocomandad for uoo with pour product*. In thla ** mctlon, it will bo appreciated if pou will furniah infonation earning tbo itoao Xiotod balowi An poor product* final* ceoponaot apetamf If not, otato what other component* an inclndad, **, for axawpla, prlnor, top coat-*, and antifouling coating aatorlal* An poor *jt*a* ooltablo for *Mk *f the ilff*r**t asponm Xiotod abonT State aprroxlhato tppo and co^oaltioa of the notarial roeoenraiod, excepting aoent pncootoo aad notorial*. Baao aiqr applicable opacification* (Federal, ir^. Me*/, or other*). ^ Doocribo the application aotbod* which an neat ooltablo for bo o lth poor product*, Purnlah data ngardin( oovorlag ability aad ooot ia larc* quam.ltla* of th* product* ncoanunrlad, Doocribo nrrwundod oorrleo baharior and labor*torp idantiflcation and porforaanet taata, Purnloh data or litontun doocriblng poor product*, otpaclallp Ion* tarn aorrioo porforaaao* If aval labia. Should opociflc prlaar or antifouling aatariala ba usad to inoun coopatlbllltgr of than with fbrnlah coataf An opeclfle thiman or an opoclal handling procadura* nacaooarp to lnaun aatlafactorp raraltef It la nalitad that *o*aa of th* above nqoafted inforaatioa nop b* eonoldarod confidential. Tou nap ba aaourwd that *17 inforaatioa of thla natun will ba bald la otrict eoaaareial confidanoo. Tour a*rip raplp will anabl* to expedite th* initiatioa of thla fttrthar lmraoilgation ef protective Coating*. Tarp tnlp poarw, /*/ Jana* K. Stratton /t/ AittS R. STMTTOR, Colonel, CfL, Swporvlelng fenginoor. ; r i i liH m *WilH nil d l (imiH iiili l i m* mm