. The Architect & engineer of California and the Pacific Coast . /(■. Los .lugrlcs .—F-r,,:;,::::- I. I. Los Angeles .Uiiie,Iiiel—liiltiii,ii Lorei on Channel The Architect and Engineer /^ feet, and again in September with a run of 488 feet under adverse condi-tions. In April the 31-day, 2-shift record for tunnel boring in soft rockwas broken by a run of 529 feet, and in August the 3-shift record of theworld was eclipsed by a run of 1, feet. In the last instance the costwas $ per lineal foot, a cost record almost as renrarkable as the dis-tance record. Sinc

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. The Architect & engineer of California and the Pacific Coast . /(■. Los .lugrlcs .—F-r,,:;,::::- I. I. Los Angeles .Uiiie,Iiiel—liiltiii,ii Lorei on Channel The Architect and Engineer /^ feet, and again in September with a run of 488 feet under adverse condi-tions. In April the 31-day, 2-shift record for tunnel boring in soft rockwas broken by a run of 529 feet, and in August the 3-shift record of theworld was eclipsed by a run of 1, feet. In the last instance the costwas $ per lineal foot, a cost record almost as renrarkable as the dis-tance record. Since October, 1908, more than 20 miles of tunnels havebeen excavated. With these instances let us turn to the conditions which have madethem possible. These naturally divide themselves into five subjects-1. \\ork of preparation. 2. Organization. 3. Politics. 4. Character oftne men. 5. Housing, equipment and treatment of the men From the outset Wm. Mulholland. the chief engineer, was desirousthat the work should be undertaken by force account under the direc-tion of the city s engineers. This, with the exce

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