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Show Designer oi Austin Dam Explains Hgw Dam Was Constructed i Wilmington, Del., Oct. 2. T. Chalk-ley Chalk-ley Hatton, the civil engineer who designed de-signed the daim of the Bayless Pulp & Paper company at Austin, Pa , is a resident of Wilmington. "I haye not seen" the dam since January, 1910, when Mr. Wegman, consulting engineer of the New 'York Aqueduct commission, and I lnspect-td lnspect-td and pronounced It unsafe," sa.d Mr. Hatton. "We made certain recommendations rec-ommendations for Its repair and reinforcement, rein-forcement, but I was not engaged to supervise this work and do not know whether our recommendations were carried out. The dam- was built In tho best manner possible, but the foundations were of sandstone. This caused damage when water got under tho foundations, because of tho fis sures in the rocks after We h3d bored nine feet' to a seemingly safe bottom bot-tom "A good test of tho rock foundation founda-tion of tho dam was made before wo I began tho original construction Fissures Fis-sures must have extended further down, however. Tho foot of tho dam was sot in a channel four feet .deep in tho rock foundations. The sides of tho dam, the structure being of reinforced concrete, wero set twenty feet Into tho rock of the hills on each side. They were anchored there b steel rods two and a half Inches thick and 25 feet long." Mr. Hatton described tho breaking of tho dam on Jnn. 24, 1910, when a workman saw tho great wall tiem-ble, tiem-ble, buckle and slide forward 44 inches pn its bed Ho aroused the town anu tho inhabitants took refuge in tho mountains and for two days remained there. The imprisoned water escaped through a breach mado by dynamite and the dam and town were saved. Mr. Hatton immediately pronounced tho dam unsafe and mado oxtonslvo Tccommendat'ons along the lines or reinforcement oo |