LIONS GATE BRIDGE OPTIONS | deck needs najor overhaul, engineer tells WV meeting REHABILITATION OR replacement. of Lions Gate ‘Bridge should. take place within. five years, according to engineers intimately. in- volved in examining . the bridge’s options. North Shore residents packed - West Vancouver Memorial Library's Peter J. Peters room to _ listen to N.D. Lea consultants Peter Hyslop and. Brian Wallace explain replacement and rehabilitation options for the ‘bridge being -expiored by Ministry of Transportation Highways (MoTH), Hyslop is a civil engincer who “has worked on the Cassiar Cor- and - Nector, the Skytrain and the Up- _ per Levels Highway. - Bridge studies and sits on He is cur- fently taking part in Lions Gate its technical committse. He-said the bridge, which was built by the Guinness family in November 1938 as a two-lane toll bridge; is.near the end of its ser- vice life, and it is becoming in- creasingly. more expensive — and * more difficult to maintain. Because of its marine location it 4s in a highly-corrosive area and crevice corrosion must be id- ~ ‘dressed constantly at a high cost, a, Hyslop, who handted ‘the: archi- tectural aspect of. the discussion, said there are three different sec- _ fions*of:.Lions Gate Bridge that H can be exainined. They are the cables: (and the hangers that: support the deck), the towers and the deck. ‘The cables, hangers and towers are sound, he said: Ii’s. the deck thax is the problem. vi The towers, however, may have to- be‘ altered in height or width if eertain - bridge restructuring op- fons are pursued, The. bridge’s problems exist with , the. deck, Cross beams are starting “to wear to the point that. pieces have actually fallen off. the | By Kevin Gillies Contributing Writer These can be repaired, but it would be needed at a constant rave and at a@ higher cast as time mar- ches on. : A no-frills replacement of the deck would cost approximately $85 million and could be replaced section-by-section by closing the bridge at night. In such a scenario the bridge would have to be open for morn- ing rush-hour. By modifying the towers, side- walks could be on the outside of the cables and the deck could be expanded to four or five lanes, In either case it is most likely that one lane would accommodate High Occupancy Vehicles (HOVs) such as buses and/or car pools, Reversible lanes, such. as the bridge's current middle lane, are also possibilities. One apiion also has Uiree fanes going cach way, but stacked double-decker fashion like the Golden Gate Bridge in San Fran- cisco, Any expansion of the bridge, in terms of lanes, would likely have an impact on Stanley Park to the south and the bridge's approaches to the nortis, Acquiring Indian land at the north end of the bridge could complicate any expaasion. | Other options included tunnel proposals ihbat. either” bored through bedrock or were tubes laid across the inlet's floor. The costs of the various options could cost up to a billion dollars depending on how many bells and whistles we want, But we have to make a choice by mid 1994 so preliminary engineering can begin, The plan-is to have the prelimi- itary engineering done by mid '95, the detail and design completed by mid °96 and tenders and. review done by late 96, NEWS photo Torry Peters ECT IONS OF. Lions Gate Bridge may have to be replaced by SECTION the bridge down at night. The bridge’ s deck could be ex- ‘panded to tour or tive lanes in the future. i At this time any new construc- tion would begin and hopefully be completed ty mid 1999. Detailed information on all the options so far is on view at the B.C. Automobile Association of- fice at 908 Park Royal south, Mon.-Sat. until 9 p.m., and Sun- days until 6 p.m. for the duration of the Christmas shopping hours. For information, call 268-5650. 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