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<br />!'- <br />~ <br />~ <br />N <br /> <br />o <br /> <br />,I <br /> <br />I: <br />I <br /> <br />~ <br /> <br />i' <br /> <br />II, <br />II <br />Ii <br />/1 <br />" <br />I <br /> <br />! <br />'I <br />I, <br />I <br />I' <br />I <br />i <br />I <br />, <br /> <br />XV1 <br /> <br />CONTENTS <br /> <br />CHAPTER XI-CLEANING AND PAINTING--Con. <br /> <br />RED-LEAD PRIMER <br />&d~ h~ <br />223. Composition a.nd physical characterjstics_________________________ 338 <br /> <br />ALUMINUM PAINT <br /> <br />224. Aluminum mix;ng varniElh__n_n_n_n___n__u______h_nuh_ 339 <br />225. Altunintunpaste______________________________________________ 339 <br />226. Prussian blue paste___n_____n__n_________n____n___h__hh 340 <br /> <br />PAINTING PROCEDURE <br /> <br />227. Bonding tesL _ ___ _ nnn__nn_ ___n__ _ n_____n_ n_nn n___ 340 <br />228. Sandblasting_ _ ___ __hn __ _hn_ n__hn _ nn___n _ n_ __n_h_ 340 <br />229. Printing______________________________________________________ 340 <br />280. Application of ena.meLh________h____~_h_n_______________h .341 <br />231. Electrical inspection of enameled surface___nnh__nuu__hu__ 345 <br />232. Application of a]uminum__n__n_nn____n____n___hu___hn 345 <br />233. Chronology__________________________________________________ 345 <br /> <br />MAINTENANCE <br /> <br />234. Localized failure of interior coatingnnn__n____h_h__n___hh 346 <br />235. Summary of conditions_hu_n__h_____n_n_h_hn_hu_____ 346 <br />286. ConclusioDB_ h_ - ___ ____ ___ _ _ ___ ___n_____________ __ __________ 347 <br /> <br />CHAPTER XII-AUXILIARY EQillPMENT <br /> <br />237. Introduction_ _ _ _ _h____h _ n_n_n_h_n ___h n___hn_Uhu 349 <br /> <br />STATION-SERVICE PENSTOCK <br /> <br />238. Purpose_un ___ __ _'_ _ _______ ________ _________ __ ___h _n_____n 349 <br />239. General description_ _ _ _ ___ _ _________ _________n______ _________ 349 <br /> <br />LIGHTING SYSTEM <br /> <br />240. Introduction__ ____ ___ ______ _ __'n___ ____ _h_____ _________ _____ 352 <br />241. Source of powerU__h_nn__nn___n_______n_____n___n__n 353 <br />242. General description___n_ ____________ _________n_ ____ __________ 353 <br />243. Feeders and cabinets__________________________________:-_______ 353 <br />244. Conduit supportBnn___h_n__n_nh___nn_h_nn__nn_h 354 <br />245. Lighting unitB_hnn_uhn___hn___unnn__hnn____nu 354 <br /> <br />ACCESS, DRAINAGE, VENTILATION, AND PROTECTIVE <br />FACILITIES <br />246. Tunnel waIkways_____________________________________________ 358 <br />247. Drainage system____________u___________________ n_______ n__ 360 <br />248. Ventilating system_ ____ _ ______ ___u__ ____________ ______ _______ 361 <br />249. Safety doors__________________________________________________ 363 <br /> <br />WATER-MEASUREMENT FACILITIES <br /> <br />250. Piezometers and pitot tubes________u_n_~_______nuh____U__ 366 <br /> <br />--, <br />