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(iD <br />Lee F. Lord <br />Mitchell D. Roth <br />,I -,Robert ❑. Cornmand <br />1). it 1)", <br />Tounty of ttfutti`i <br />Office afff�e��lHugur <br />25 A,unl Street, Suite 2603 • Hllo, Hawaii 96720 • (808) 961-8211 • Fax (808) %l 6553 <br />KONA. 74-5044 Are Keohokalole Hwy.. Bldg C • Kailua-Kona, Hawarl 96740 <br />(808) 323>444 , Fax (808) 3234440 <br />FOURTH AMENDED TRAFFIC EMERGENCY ZONE DECLARATION AND <br />FOURTH WAIPI`O VALLEY ROAD DECLARATION OF EMERGENCY <br />WHEREAS, Waipi'o Valley Road is a four wheel drive County road located on the <br />northern I lamakua Coast of I lawai'i Island. The road is narrow and winds down the steep <br />hillside of the south valley wall. <br />WHEREAS, Waipi'o Valley Road is the only vehicular ingress and egress for Waipi'o <br />Valley <br />WHEREAS, Waipi'o Valley Road is used by residents of Waipi'o Valley. fa mers who <br />transport agricultural products grown and harvested in Waipi'o Valley, Hawaii County <br />residents, visitors, and tour operators. <br />WHEREAS, Waipi'o Valley Road presents significant safety risks. For example. it lacks <br />shoulders or adequate troughs to catch falling rocks and debris. 'I he road is slipperyparticularly <br />after heavy rains, and adequate stormwater infrastructure is lacking. Some portions of the road <br />are impassable for two vehicles. Limited sight distance along the road hampers driver ability to <br />safely navigate oncoming traffic and pedestrians in the roadway. <br />WHEREAS, Waipi'o Valley Road descends about 800 feet in elevation over <br />approximately 4100 feet. Rock outcropping and vegetation overhang the road. <br />WHEREAS, Waipi'o Valley Road can experience significant amounts of runoff, <br />particularly after heavy rains. Historically, the County closes the road following per ods of <br />heavy rain and to clear rock, soil and vegetation which has fallen on and across the road. <br />WHEREAS, a slope failure occurred in March 2019 following heavy rainfall and high <br />streamilow associated with Hurricane Lane. The primary slide was approximately 5,90 Feet tall <br />and 70 feet wide. Additional upslope landslide evcnis occurred in April 2018 and February <br />2019. <br />WHEREAS, on or about April 2, 2020, the County hired a consultant, Hart C rowser, to <br />conduct a Preliminary Geoteehnical Engineering Evaluation. <br />C'nunp of I lawoi'i ,, on Equal 00ao1unq Pmcidtt and I inplycr. <br />