Mr. Holland's Tunnel
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www.PDHcenter.com www.PDHonline.org Mr. Holland’s Table of Contents Slide/s Part Description 1N/ATitle 2 N/A Table of Contents 3~47 1 Eighth Wonder 48~86 2 All Things Considered 87~172 3 The Shield Method 173~217 4 On the Jersey Side 218~299 5 The Air Down There 300~350 6 Greatest Triumph Tunnel 1 2 Part 1 The Seven Wonders of the World Eighth Wonder 3 4 “Back in the second century B.C., a certain Antipater of Sidon com- posed an epigram in which he “…Today any similar list of wonders, no matter by whom enumerated what he termed the ‘Seven Wonders of the World.’ compiled, would doubtless include the Pyramids, not merely They were the walls of Babylon, because they alone have survived the ravages of time, but the statue at Olympia by Phidias, because they still represent a marvelous achievement of the hanging gardens at Babylon, man’s handiwork. What the other wonders would be might the Colossus of Rhodes, the afford material for a contest sponsored by some newspaper pyramids of Egypt, the maus- oleum at Halicarnassus, and the columnist.But surely there would be a place in such a list for temple at Ephesus…” the Holland Tunnel, as the longest sub-aqueous tunnel in the RE: excerpt from The Eighth Wonder world, a stupendous project, magnificently conceived and Left: caption: “The Seven Wonders executed. And surely old Antipater himself, however wedded of the Ancient World (from left to right, top to bottom): Great Pyramid he might be to his own wonders, would today be glad to add of Giza, Hanging Gardens of the Holland Tunnel to his list, as an eighth wonder of the Babylon, Temple of Artemis at world…” Ephesus, Statue of Zeus at Olympia, Mausoleum at Halicarnas- RE: excerpt from The Eighth Wonder sus, Colossus of Rhodes, and the Lighthouse of Alexandria.” 5 6 © J.M. Syken 1 www.PDHcenter.com www.PDHonline.org Nothing New 7 8 “…Of course, a tunnel is “…We know that in no new thing. Primitive ancient Egypt a king, man, living close to upon ascending the thr- nature, could hardly have one, began at once to failed to observe evid- excavate the long nar- ences of tunneling by row passage leading to animal life about him, and the rock-hewn chamber soon made tunnels for his at Thebes which was his own purposes…” tbtomb…” RE: excerpt from The Eighth RE: excerpt from The Eighth Wonder Wonder Left: caption: “Stone Age man Top: caption: “Illustration of created a massive network of the underground structure of underground tunnels criss-cro- ancient Egyptian Pharaoh ssing Europe from Scotland to Seti I’s tomb” Turkey, a new book on the Bottom: caption: “Ground ancient superhighways has plan and section of the Tomb claimed” 9 of Seti I, B.C. 1366” 10 “…In the time of Cesar Augustus, or perhaps even earlier, the Rom- ans built a notable tunnel through the Posilipo hills between Naples “…From Egypt, too, comes the and Pozzuoli, about 3,000 feet long first record of a sub-aqueous and 25 feet wide. In order to light tunnel – constructed under the dry this tunnel, its floor and roof were bed of the river Euphrates, which made to converge gradually from had been temporarily diverted the ends to the middle: at the from itschlhannel. It was 12 ftfeet entrances it was 75 feet high. The wide, 15 feet high, and was lined Romans were the greatest tunnel with brick masonry…” builders of antiquity…” RE: excerpt from The Eighth Wonder RE: excerpt from The Eighth Wonder Left: caption: “3,000-foot-long tunnel Left: caption: “1846 print titled ‘Grotta under the Euphrates River” di Posilipo.’ Perhaps the largest tunnel in ancient times was a 4,800-foot-long, 25-foot-wide, 30-foot-high road tunnel (the Pausilippo) between Naples and Pozzuoli, executed in 36 BC.” 11 12 © J.M. Syken 2 www.PDHcenter.com www.PDHonline.org “…With the advent of gunpowder and of canal construction, a strong impetus was given to tunnel building in its more modern aspect of commercial or public utility. Previous to 1800, canal tunnels were all through rock or hard ground. Then, in 1803, a soft- ground tunnel 24 feet wide was excavated for the Saint Augustine Canal in France.Timberswere laid to support the roof and walls as fast as earth was removed, and the masonry lining built closely fol- lowing. From this experience the various systems of soft-ground “…During the Middle Ages, tunnel building was chiefly for military tunneling since employed have purposes. Every great castle had its private underground passage from developed…” the central tower or keep to some distant concealed place, through which RE: excerpt from The Eighth Wonder to make sorties, receive supplies, or escape in time of need…” Left T&B: caption: “Two views of the RE: excerpt from The Eighth Wonder 13 Islington Tunnel on the Regent’s 14 Above: caption: “Medieval subterranean tunnel below Dover Castle” Canal, London” “…The use of shield and metal lining marks the greatest development in the art of soft-ground submarine tunneling. The shield was invented and first used by Sir Marc Isambard Brunel in ex- cavating the first tunnel under the river Thames at London, begun in 1825 and opened in 1843. In 1869 Peter William Barlow used an iron lining in con- nection with a shield in driving the second tunnel under the Thames at London…” RE: excerpt from The Eighth Wonder Top: caption: “Diagram of the tunneling shield used to construct Marc Brunel’s Thames Tunnel, London” Bottom: caption: “In 1864 Peter Barlow patented a method of tunneling using a circular wrought iron shield and filling the gap between the tunnel’s iron lining with lime or cement to prevent settling of the ground above” 15 16 “…The modern tunnel shield is a steel-plate cylinder whose forward edge acts as a cutting edge. Its rear end, extending backward, overlaps the tunnel lining of cast-iron rings. Inside the shield, hydraulic jacks act against the tunnel lining as a thrust block so as to push the shield ahead when pressure is applied. A partition prevents earth from entering the shield except as permitted through suitable openings. As the shield moves forward, the lining is erected under the protection of its rear. In submarine tunneling compressed air pumped into the forward end of the tunnel counter-balances the pressure of the water which tries to enter…” Above: caption: “Back Elevation and Vertical Section of Hydraulic Shield” RE: excerpt from The Eighth Wonder 17 18 Above: caption: “The Beach Hydraulic Tunneling Shield” © J.M. Syken 3 www.PDHcenter.com www.PDHonline.org “…In 1906 the legislatures of the states of New York and New Jersey created for each state a Bridge Commission to investigate the feasibility of constructing a bridge over the Hudson River, uniting New York City with Jersey City. Leg- islative recognition was thus given Bridge or Tunnel? toaniilincreasinglyvita l problem – some means to supplement the ferries plying between these two ports…” RE: excerpt from The Eighth Wonder Left:caption:“Mapofferryservice between lower Manhattan and Brooklyn on the East River, and Hoboken and Jersey City, N.J. on the Hudson River” 19 20 With the rapid rise of automobile and truck transport during the first decades of the 20th Century, Hudson River ferries were carrying thirty million vehicles per year between New York and New Jersey. In 1906, a coalition of the New York State Bridge and Tunnel Commission and the New Jersey Inter-state Bridge and Tunnel Commission had begun feasibility studies for a bridge from lower Manhattan to Jersey City, New Jersey. However, there were drawbacks to the choice of a bridge crossing. A Hudson River bridge would require a minimum clearance of 200-feet. Since the Manhattan side of the Hudson did not meet the 200-foot elevation requirement for a bridge, long approaches (longer than that required by a tunnel) would have to be built on the New York side, consuming valuable real estate. Also, a bridge would be more vulnerable to inclement weather than a tunnel. 21 22 “A highway tunnel under the Hudson River at New York City, connecting the highway system of New York and New Jersey, is proposed by the Bridge and Tunnel Commissions of the two states instead of a bridge. There is but one bridge across the Hudson, south of Albany. That is at Poughkeepsie, 75 miles above New York City. The project for a bridge from Manhattan Island to the New Jersey shore has been agitated for a hundred years, but the great height at which it would have to be built to give sufficient clearance for shipping, and the value of the land that would have to be taken for terminals, would make a serviceable bridge cost $50,000,000, the commissions estimate, while a tunnel with two tubes, each having a 17-ft. roadway, could be built for $11,000,000. The average number of vehicles crossing the Hudson in ferry-boats is 19,660 per day. All but 2,000 of these cross below Twenty-third Street, and to make the highway tunnel accessible to this traffic it will have to be built below that point. A tunnel such as proposed would have a capacity of 5,000,000 vehicles a year, or about the number now crossing the river. Mechanical ventilation and means for maintaining perfect Above: caption: “Hudson River Bridge at Poughkeepsie, New York.” The cleanliness are included in the plans.” Poughkeepsie Highland Railroad Bridge spans the Hudson River connecting Popular Mechanics, 1914 Poughkeepsie and Highland, New York.DesignedbyJohn F.