Salt Lake Telegram | 1922-07-02 | Page 8 | Great Auto Tunnel Started

--.- Great Auto Tunnel Started -.- - v ( . "I 0 K c n o - - ' - - - . pessssssesssssssssBBI Skth hw bw Hudson river vehicular tunnel will b mede select and beat ventilated hi world. Might, Clifford M. Holland, chief nginr In haree f ntrutin. BeJewi Conducting preliminary teat in abandoned aban-doned Pennsylvania mine). Travelers May Soon Drive Into New York Through Bore Under River Sy ALEXANDER HIRMAN. NEW YORK. July I. Within thre years motorists from th West will drive Into New Tork tnrouarn its newest new-est subway, th Hudson river vehicular tunnl. They may miss th ferry rid and view of th skyscraper sky Una, but they'll come through th beet ventilated venti-lated tunnel In th world In a steady stream of 100 cars an hour! This tunnel will consist of twin tubes 21 feet In diameter and 1H mil long, bull! at a coat ot $21,000,000! Work on tho project I now being carried on from both sides- of the river. For a tlm a local political aquabbl kept th enginery from atartlng construction con-struction on the New deney shore. But Clifford M. Holland, chief engineer, engi-neer, and avral associate. wnt over on night, took pick and above! and hrok tho ground without waiting for th formal opening scheduled for July 4. POISON PROBLEM... . Befor beginning work, the commissioner commis-sioner In charge bad to solve on of tb century' most difficult nglner-i nglner-i Ing problem. How could they msk sure th tunnel, tun-nel, filled with gaac from th exhausts ex-hausts of automobtlleta, would not b-com b-com a grat death trapT With aid of federal authorities, they decided to conduct experiment In aa old coal mine at Bruceton, Pa. Ther they constructed a small tunnel. tun-nel. Conditions wer similar to tho under th Hudon. TESTS WITH AUTOS. . . I Automobile were aent Into th tunnel. tun-nel. - Driver and chauffeur were aa amlnrir before' and after th testa. Other experiment wer conducted In th pkyioloical laboratory at Tal and In th engineering experiment station sta-tion of the University ot Illinois. It wss found no barm would result from exposure to four pert of carbon monoxide, the polaon of th exhaust gases. In lO.eOO parts of air. .Bo th engineer decided to .build four ventilation harts, which will chang completely the air of the Hudson Hud-son tunnel 42 times sn hour forcing In s.WO.000 cublo feet of fresh air every minute. Th air ia admitted through duct at th bottom of th tube and exhausted ex-hausted from th top. "Ther la absolutely no danger," say Holland. "Th T00O-horepower plftnt will distribute a steady aupply of fresh air. If a machln breaks down, a wrecking crew, stationed In each tub, will help It oat quickly. "At present ther are 14 ferry line etretrhlng over 12 miles, carrying th traffic acroa th rlvr. It I estimated 24.O0 vehicle cross over each day. And tha numhar Is Increasing dally. "The vehicular tunnel will take car of 44 0 dally."