Pacific Northwest 8 April 15, 2018 by Construction Equipment Guide

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Nation’s Oldest Scenic Highway Now Has Pedestrian Trail By Jennifer Rupp CEG CORRESPONDENT

Since 1987, the Oregon Department of Transportation (ODOT) has been charged with working with Oregon Parks and Recreation Department, the State Historic Preservation Office and Travel Oregon to preserve, enhance and reconnect the Historic Columbia River Highway. The Historic Columbia River Highway is in the state of Oregon, along the south side of the Columbia River between the cities of Troutdale (14.2 mi. east of Portland) and The Dalles (88 mi. east of Portland). The Historic Columbia River Highway was the first modern highway constructed in the Pacific Northwest and the first scenic highway in the United States. It was listed in the National Register of Historic

A scenic view from the Lindsey Creek bench cut portion of the Historic Highway Trail.

Places in 1983 and became a National Historic Landmark in 2000. The road is the pinnacle of early-20th-century rural highway design created to take visitors to the Columbia River Gorge’s natural wonders and scenic vistas. The Historic Highway was a portion of the

longer “Columbia River Highway,” and was constructed between 1913 and 1922. Portions of the Historic Highway between Dodson and Hood River were sacrificed in the 1950s, 1960s, and 1970s for construction of the water-level route that became Interstate 84.

Those discontinuous segments that remain between Dodson and Hood River; however, possess much of their original integrity, including masonry walls, bridges, viaducts and pavement. ODOT is restoring several of these segments for see HIGHWAY page 8

Constructing the bridge at Gorton Creek near Wyeth.

Major Construction Projects on Horizon for Pacific Northwest By Lori Tobias CEG CORRESPONDENT

As temperatures warm and days grow drier, state and local agencies are gearing up for construction projects all over the Pacific Northwest — some still in the planning stages, others, phases in ongoing plans. Here’s a look at what’s coming up: Idaho Chobani is set to open its new innovation and community center in Twin Falls this summer. The 70,000-sq.-ft. facility is an expansion of the existing plant and will serve employees and guests, and house the company’s global research and development team. The expansion will feature a 7,000sq.-ft. gathering space for town halls, shared

meals, daily relaxation and special celebrations, a 2,000-sq.-ft. fitness center and wellness rooms for new mothers. Sustainable design features include 4,000 sq. ft. of “smart glass” windows which enhance natural light while regulating internal temperatures and reducing the use of heating and air conditioning; an expansive skylight at the center of the building to reduce lighting needs and 30,000-sq.-ft. of “smart roofing” which will reflect sunlight and reduce heat absorption. The Idaho Department of Transportation is continuing its multi-year I-15 construction project which this year will involve numerous bridge improvements, new pavement and guardrail in several locations between the Utah and Montana borders.

Scheduled projects include: • Early April to late May: $1.2 million maintenance work on Inkom Bridges on southbound I-15; • Early April to October: $10.8 million maintenance work on five bridges between Arimo and McCammon; • Mid April to late May: $3.2 million resurfacing of the northbound lanes of I-15 from Sand Road to South Blackfoot; • Early June to late September: $2.4 million resurfacing of nine miles of pavement between McCammon and Inkom; • 2018-2019: $13.8 million replacement and improvement project of Exit 98 north of Blackfoot at the Rose Road Interchange. IDT also will begin work in the 2018 construction season on a $17 million facelift project to U.S.-12 to revitalize aging infra-

structure and to enhance safety throughout the corridor. Work on U.S.-12 will include the replacement of two bridges and the resurfacing of more than 50 miles of the highway between Lowell and the IdahoMontana border. Construction will likely begin as early as April and conclude in late October 2018. Washington The Washington State Department of Transportation plans to award the $80- to $100-million contract this spring to demolish the Alaskan Way Viaduct, fill in the Battery Street Tunnel and build new connecting streets in South Lake Union. Demolition is expected to begin in early 2019 and take nine months to complete. see CONSTRUCTION page 6

Page 2 • April 15, 2018 • www.constructionequipmentguide.com • Pacific Northwest Supplement • Construction Equipment Guide

Modern Machinery Hosts Annual Paving Day in Kent, Wash.

odern Machinery held its annual Paving Day seminar at its Kent, Wash., location on Feb 23. Although the weather was less than cooperative, 92 attendees were on hand to hear the latest information on paving, milling and compaction practices and equipment. Two morning sessions focused on compaction techniques and paving practices. The presenters were impressed by the engagement of the attendees and the questions asked. The afternoon session was focused Modern Machinery serves customers in Idaho, on milling techniques and the role of Montana, Oregon and Washington, including this store a good milled surface in preparation located at 22431 83rd Ave. S in Kent, Wash. of a good mat. Jeremy Wittner of Carlson Paving Products hosted the last session, which was focused at Carlson screed set up and maintenance. Wittner had a wealth of information to share with the crowd. According to Jim Hassebrock, region manager of Modern Machinery, “Although the elements worked against us, we accomplished what we started out trying to accomplish. We strengthened Modern’s position in the pavement/highway market segment; we introduced some new customers to our product line; and established the Wirtgen/Carlson/Modern brand as a leader in the market.” (This story also can be found on Construction Equipment Guide’s website at www.constructionequipmentguide.com.) CEG Jerry Maly, area product support manager of Wirtgen America, spoke about milling machine best practices. For reference, he used the Wirtgen W 100 CFi compact cold milling machine. The W 100 CFi features compact dimensions and an optimized machine weight for a wide variety of milling applications.

Tim Kowalski, application support manager of Hamm, Wirtgen Group, demonstrates this Hamm HD 120i roller. Kowalski spoke on compaction techniques and the basics of intelligent compaction.

Keith Cole, North Central regional manager of Carlson Paving Products Inc., Tacoma, Wash., shows off the company’s very popular CP100 paver.

(L-R): Denny Michael, application specialist, and Andy Kazanis, regional sales manager of Wirtgen Americas, review followup questions with Jake Pittman, quality control specialist of Lakeside Industries, Issaquah, Wash.

Asphalt Paving contractors attend Modern Machinery’s annual Paving Day Seminar and Education Event at its Kent, Wash., location.

Construction Equipment Guide • Pacific Northwest Supplement • www.constructionequipmentguide.com • April 15, 2018 • Page 3

Kent, WA (800) 669-2425 Rochester, WA (800) 304-4421 Spokane, WA (800) 541-0754 Boise, ID (800) 221-5211 Pocatello, ID (800) 829-4450 Billings, MT (800) 735-2589 Kalispell, MT (800) 434-4190 Missoula, MT (800) 332-1617 Eugene, OR (800) 826-9811 Portland, OR (800) 950-7779 Magadan, Russia 011-7-41326-99298 Yuzhno-Sakhalinsk, Russia 011-7-42424-69051

Page 4 • April 15, 2018 • www.constructionequipmentguide.com • Pacific Northwest Supplement • Construction Equipment Guide

STP Puts ‘One Smart Tunnel’ SR 99 Systems to the Test By Lori Tobias CEG CORRESPONDENT

The new roads inside Seattle’s $1.4 billion double deck tunnel are now complete with Seattle Tunnel Partners installing the last of 1,152 road panels that make up the lower — northbound — roadway in early March. Now it’s time for crews to turn their efforts toward installing and testing the tunnel’s operational and safety systems — features that are earning the SR 99 tunnel billing as one of the “smartest” tunnels ever built. A new video on the Alaskan Way Viaduct Replacement Program website explains how the critical air quality and fire safety systems work together. The systems include: • more than 300 cameras to monitor traffic and security at all times as part of an incident detection system; • automatic ventilation systems designed to keep air quality and visibility high; and • automated sprinkler systems design to put out a fire quickly at its source. Crews will test the thousands of components that make up the safety and operational systems at least three times, according to the website. They’ll test them once to ensure they work, a second time to ensure they work together as a system, and finally with all the other systems to make sure all the systems are integrated and functional. Once that work is complete. STP will turn the tunnel over to WSDOT, which will in turn bring in a different contractor to realign

WSDOT photo

A new video on the Alaskan Way Viaduct Replacement Program website explains how the critical air quality and fire safety systems work together.

the roadway and build the final ramp connections to and from the tunnel. The One Smart Tunnel video details each system and how it works, starting with the ventilation system. “In normal traffic, vehicles pull fresh air through the tunnel using something called the piston effect. Every few seconds, electronic sensors on the tunnel walls sample the air. When there is an uptick in emissions, like during a traffic jam, the sensors activate the tunnel’s fans. The strong fans pull fresh air

WSDOT image

In the event of a car fire, large exhaust fans will kick in.

from the entrances and push it into the tunnel.” If that’s not enough, say in the event of a car fire, large exhaust fans will kick in. The powerful fans act like giant vacuum cleaners, “suctioning exhaust and smoke through louvers on the tunnel wall, pulling it through the tunnel’s ventilation corridor, then up and out of the large yellow stacks of the operations building.” The fire suppression system is another component in the “smart tunnel” technology. Eight miles of fiber optic heat sensors line the tun-

nel ceilings. If heat is detected, the sensors activate the fans and alert the tunnel staff. “A live camera then pops up on the tunnel operator’s screen in the WSDOT Traffic Management Center. If there’s no fire, the tunnel operator stops the sprinklers from turning on.” In the case of an actual fire, sprinklers activate over the flames. More than 100 divided safety zones with the tunnel allow the targeted response. Electronic signs, operated by tunnel staff, alert drivers to the situation ahead. Staff also

has the option of making announcement on the public address and AM/FM override systems. “In the rare case of an emergency, flashing lights lead to the exit doors, where inside, there’s a safe place to wait or get assistance. The exit corridor also has a separate ventilation system so fresh air stays inside, even when the exit doors are opened. Finally, if an evacuation is needed, a protected passageway allows safe exit from the tunnel. “These are just some of the ways WSDOT has safety covered so you can travel with confidence when the new tunnel opens.” Here are some “smart tunnel” details: The SR 99 tunnel has approximately • 95 mi. of electrical wiring • 21 mi. of sprinkler pipes • 15 mi. of lights • 13 mi. of fiber optic cables • 8 mi. of heat detectors The tunnel could open to traffic as early as this fall, WSDOT said. The $1.4 billion double deck tunnel is part of the Alaskan Way Viaduct Replacement Program. The viaduct, an elevated section of State Route 99 in Seattle, was built in the 1950s, but age, wear and tear and its vulnerability to earthquakes make replacement critical to public safety, according to a fact sheet from WSDOT. (This story also can be found on Construction Equipment Guide’s website at www.constructionequipmentguide.com.) CEG

WSDOT image

The powerful fans act like giant vacuum cleaners, “suctioning exhaust and smoke through louvers on the tunnel wall.”

Smoke is pulled through the tunnel’s ventilation corridor, then up and out of the large yellow stacks of the operations building.

Construction Equipment Guide • Pacific Northwest Supplement • www.constructionequipmentguide.com • April 15, 2018 • Page 5

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Page 6 • April 15, 2018 • www.constructionequipmentguide.com • Pacific Northwest Supplement • Construction Equipment Guide

PNW Plans Construction CONSTRUCTION from page 1

Gateway Program is key to enhancing the state’s economic competitiveness, both nationally and globally, by connecting the state’s largest ports to key distribution centers in King and Pierce counties, and Eastern Washington.”

Some fast facts from the WSDOT webpage: WSDOT is combining three projects into one in order to save overall construction time, lower costs and improve efficiency. The scope of the combined project includes demolishing the viaduct, decommissioning the Battery Street Tunnel, and reconnecting intersections along Aurora Avenue North. Within this are a number of work elements: • Removing the viaduct from South Dearborn Street to the Battery Street Tunnel; • removing the Columbia Street and Seneca Street ramp structures; • removing a majority of the viaduct’s 397 foundations and footings to five feet below ground;

Oregon The Oregon Department of Transportation is set to begin work this spring on a $60 million construction project fast tracked by the Legislature in an effort to alleviate traffic congestion between Johnson Creek Boulevard and the Glenn Jackson Bridge on I-205. The work includes building auxiliary lanes in three locations, paving the freeway, ramps and intersections, installing ODOT RealTime signs, improving the entrance to the multipath use at Glisan Street and improving sideway curb CONSTR RUCTION ramps in the construction area. Much AH HEAD – 2018 of the work is expected to take place at night with multiple closures of on and off ramps, as well as cross streets near on and off ramps. The project is scheduled for completion in late 2019. ODOT is partnering with local agencies to develop an Interchange Area Management Plan to address problems on the I-5 Aurora-Donald Interchange ID DAHO AHO (Exit 278) in Marion County. To help you drive thrrough o constru uction, please:: Originally funded at $3.4 million, the project was allocated an additional $25 million by the state legislature. According to the website, “The problems of the interchange are numerous. The interchange was built in the early 1960’s when the interstate was constructed, and it is obsolete. Imagine the interchange when there was noth30 ing located out there and only a few vehicles and farm equipment used it. “It has been over capacity at peak • times for many years. It has significant safety issues and does not operate like a SIGN UP TO O RECEIVE CONSTRUCTION STRUCTION UPDA DA ATES: TES: INTERST ERSTA TA ATE15 TE15 TO 22828 2 (208)) 239-3377 busy interchange should. I-15CONSTRUCTION@ITD.IDAHO.GOV WWW WW.ITD.IDAHO.GOV/I-15CONSTRUCTION GOV/I-15CONSTRUCTION TRUCTION Reconstructing this interchange is a • decommissioning the Battery Street high priority of the Mid-Willamette Valley Tunnel and restoring Aurora Avenue North Area Transportation Commission, Marion between Harrison Street and Denny Way; and County and ODOT.” Construction is sched• after demolition is complete, restoring uled to begin in the coming months on an roadways, sidewalks, street lighting and $18 million project to rehabilitate four I-105 other elements to a temporary condition until bridges and ramps between the Delta the city of Seattle builds the new waterfront. Highway Exchange and downtown Eugene Construction on the $1.87 billion Puget to bring them up to current standards. The Sound Gateway Program is likely at least bridges were built in the late 1960s and early three years out. The first stage is expected to 1970s and are in need of repairs and occur between 2021 and 2025 and the sec- upgrades, including guardrails that meet curond between 2025 and 2030. The program is rent crash standards, structural deck paving comprised of two projects, the SR 167 overlays, seismic retrofits, joint replaceCompletion Project and the SR 509 ments and concrete girder cracks repair. (This story also can be found on Completion Project. Combined, the projects will mean major improvements to freight Construction Equipment Guide’s website at www.constructionequipmentguide.com.) mobility and decreased traffic congestion. According to the WSDOT website, “The CEG The Idaho ho Transportation r tion Department ment is continuing uing a multi-year ear pro oject to repair and maintain intain Interstate ate 15 in easter ern Idaho.

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Construction Equipment Guide • Pacific Northwest Supplement • www.constructionequipmentguide.com • April 15, 2018 • Page 7

Contact your local dealer:

Dealer Name WASHINGTON: Seattle, WA 8207 South 216th Street City, ST Kent, Washington 98032 123.456.7890 206.762.5933 Manager: City, ST Brian Burke bburke@PacWestMachinery.com 123.456.7890 Spokane, WA 4030 East Trent Avenue City, ST Spokane, Washington 99202 123.456.7890 509.534.5933 Manager: City, ST Scott Upton supton@PacWestMachinery.com 123.456.7890

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City, ST Portland, OR 123.456.7890 19255 NE Sandy Boulevard Portland, Oregon 97230 503.252.5933 City, ST 123.456.7890 Manager: Tim Hurst thurst@PacWestMachinery.com City, ST Eugene, OR 123.456.7890 1550 Irving Road Eugene, Oregon 97402 City, ST 541.302.3762 123.456.7890 Manager: Tim Hurst thurst@PacWestMachinery.com City, ST PacWestMachinery.com 123.456.7890

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Page 8 • April 15, 2018 • www.constructionequipmentguide.com • Pacific Northwest Supplement • Construction Equipment Guide

Historic Highway Trail Receives Federal Lands Access Money

Work at Shellrock includes rock scaling and bolting, new rockfall containment systems and new/upgraded bin walls. HIGHWAY from page 1

non-motorized use. Once the Historic Columbia River Highway State Trail is complete, previously severed stretches of old highway will be transformed into a cycling and pedestrian destination. Many of the state’s 90 waterfalls can be seen from the State Trail. No longer will cyclists need to travel on Interstate 84 from Troutdale to Hood River. In spring 2017, a State Trail Reconnection Project began to construct a segment of trail between Gorton Creek Trailhead at Wyeth (I-84 near milepost 51) and Lindsey Creek. This major undertaking includes a trail around Shellrock Mountain on top of the existing bin wall, a 500-ft. Summit Creek Viaduct (bridge over land), and the Lindsey Creek Bench Cut. The newly constructed trail will be open in fall 2019. Four Points The three miles currently under construction are divided into four project points. First is the new viaduct at Summit Creek, which will connect the abandoned highway sections and blend with the Gorge’s natural landscape. The design detailing will draw upon the iconic structures found along the Historic Highway. Next up is the Mossy Road section: This scenic section of the old highway will be reconnected and restored as a trail. The third area involves rock blasting for the Lindsey Creek bench cut to create space for the State Trail. The rock cuts and a new stone wall will help the trail blend in with the surrounding landscape. Lastly is Shellrock Mountain Crossing, which requires sophisticated engineering to hold back Shellrock Mountain and squeeze

A future look at the Summit Creek Viaduct being constructed by Stellar J Construction.

Wyeth include a bike fit-it station, a water refill station, a restroom, and a pollinator habitat for butterflies, birds and bees. Funding The $18.8 million project received a third of its funding through the Federal Lands Access Program, which is a competitive funding program for improving Water line work for the new water refill projects station near the Wyeth trailhead. access to public lands. Another third of the in a trail behind the existing wall funding came from the Oregon protecting Interstate 84. Transportation Commission The Wyeth to Lindsey Creek (OTC) Discretionary Fund. The segment of the Historic Columbia Historic Columbia River Highway River Highway State Trail will State Trail project is 30 years in the provide users with a car-free trail to making, at the direction of the experience stunning views of the Oregon State Legislature and is Columbia Gorge. The State Trail considered a high-priority project remains true to the Historic for the state. One quarter of the Highway: The State Trail follows funds were procured through comthe original alignment of the petitive state funding programs Historic Highway when possible (STIP Enhance and Transportation and the structures and features Alternatives Program). Both fundmimic the original design and aes- ing sources were for enhancing thetic. The Historic Highway and expanding the transportation brought people to many beautiful system, with a focus on bicycle spots in the Gorge. Each State Trail and pedestrian facilities. Partner segment reconnects the public to donations, state funds approved by forgotten treasures and allows the OTC and the Public Lands users to experience the Historic Highway Discretionary Program Highway journey anew. contributed the remainder of the Improvements to the trailhead at budget.

Construction Stellar J Construction, based in Woodland, Wash., is the prime contractor responsible for excavation work and constructing the viaduct. Rock blasting is being done by McCallum Rock Drilling, Salem, Ore., division. Kodiak Pacific Construction of Sherwood, Ore., will pave the ADA accessible grade trail. Western Federal Lands Highway Administration is the contract administrator. Approximately 50,000 cu. yds. of earth will be excavated in total. Crews have brought in slope rock drills for rock bolting and dowels, attenuator post installation and wall tie backs. They’re also using a 318 Caterpillar excavator with a mounted drill rig. Travelers can expect a single lane closure of eastbound I-84 from milepost 51 to 53 (from Wyeth to Lindsey Creek) to be in place until mid-May 2018, and periodic shoulder closures. These closures are necessary to facilitate construction of viaduct and work at Shellrock for bin walls. A few months into construction, crews were confronted with the outbreak of wildfire at Eagle Creek. The destructive flames tore through the Columbia River Gorge on Sept. 2, 2017 and continued burning through the end of November. Highway closures and evacuations went into effect as the inferno consumed 48,831 acres of

land. “It was a challenge getting crews in and making sure area was safe,” explained Katelyn Jackson, community affairs spokesperson of ODOT. “On top of Shellrock Mountain trees were burned and we had to incorporate partner agencies to mitigate the damage. Luckily, no time was lost on the Historic Highway project. We worked very closely with forest service and Oregon State Park.” The fire did, however, cause a temporary closure to another segment of the State Trail from Bridal Veil to Hood River. To date, 65 of the original 73 miles of the Historic Columbia River Highway are now open to travel either by motor vehicle (Historic Highway or connecting county roads) or by foot and bicycle (State Trail). After the completion of the current 3-mi. project, only 5 mi. at Mitchell Point will be needed to complete the connection. Mitchell Point is a formidable mountain that requires a new bridge and/or tunnel to connect the western segments of State Trail to Hood River and The Dalles. This segment has received funds to design a crossing and efforts are beginning now. (This story also can be found on Construction Equipment Guide’s website at www.constructionequipmentguide.com.)

CEG

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Page 10 • April 15, 2018 • www.constructionequipmentguide.com • Pacific Northwest Supplement • Construction Equipment Guide

WSDOT Relocates Osprey Nest Before Oregon Plans to Bridge Preservation Work Begins Cut Trees Due to 2015 Forest Fire

The Washington State Department of Transportation is preparing to launch a preservation project to give longer life to a steel truss bridge on State Route 409 that was built in 1938 and now suffers paint flaking and deterioration to the timber bridge deck beneath the roadway pavement. But first it had to remove a large osprey nest from atop that Puget Island Bridge, in an example that highlights the attention state DOTs must give to managing their projects along with wildlife needs. The agency said the paint and timber work is important, since paint flaking exposes the structure to weather and corrosion, while inspection photos of the timber underneath show pieces missing. Contractor crews are scheduled to install a new bridge deck and repaint the bridge, which connects Puget Island to Cathlamet in Wahkiakum County, in an $18.4 million project over the next three years. “Painting the bridge and replacing its deck will preserve the bridge's structural integrity, restoring this important transportation connection and prolonging the life of the bridge,” the department said. But it had to begin by — carefully — removing that nest. “In preparation for construction work, contractor crews will temporarily relocate the osprey nest from the top of the bridge to a newly constructed platform,” it said ahead of time, adding that “during the relocation traffic on both direc-

tions of the highway will alternate through a single-lane of the bridge.” And the WSDOT put that part of the project in perspective, noting that its “bridges are home to many species of wildlife and the SR 409 Puget Island Bridge is no exception. Ospreys have historically nested near the center of the steel superstructure.” (This story also can be found on Construction Equipment Guide’s website at www.constructionequipmentguide.com.)

ITD Saves Time, Fuel for Truckers The Idaho Transportation During 2017, the ITD said, Department said new equiptrucks using similar systems ment that helps commercial to bypass four Idaho ports truck drivers bypass a weigh saved the industry $3.475 station in the Lewiston area million. can save truckers more than It noted that allowing vehi$900,000 this year in time cles to bypass weigh stations and fuel costs. also benefits the state and “Drivers traveling in the other drivers by reducing Lewiston area in the last congestion around the facilimonth may have noticed ties and enabling inspectors some new signs near the to focus efforts on other carPort of Entry along U.S.riers. Idaho Transportation Department photo 95,” it said. “The signs are “This technology saves the most visible indication The Idaho Transportation Department said new equip- our commercial drivers sigthat helps commercial truck drivers bypass a nificant time and money, of significant money and ment weigh station in the Lewiston area can save truckers time savings for commercial more than $900,000 this year in time and fuel costs. especially for local drivers drivers.” who pass through the port The signage, it said, is part of an weigh station when the truck is in com- three to four times on a normal day,” updated system to improve the mobili- pliance, or with red lighting tells the said Ron Morgan, supervisor of the ty of freight shipments in that area, and driver to go to that facility for inspec- Lewiston ports. “save time on the road, safeguard tax- tion. “The recent updates to the system The ITD said that updated weigh-in- reflect the department's commitment to payer money and support economic motion system “is expected to allow building a transportation system that opportunity in the region.” Highway sensors verify whether the up to 70 percent of commercial traffic supports economic opportunity and truck’s weight, height, length, safety heading out of the city and another 50 mobility in the area,” he said. rating and credentials meet legal percent heading into the city to bypass (This story also can be found on requirements, before the vehicle reach- the port just south of town.” About 800 Construction Equipment Guide’s es the port. Electronic signs direct the commercial trucks move through the website at www.constructionequipdriver in a green message to bypass the Lewiston area every day, it said. mentguide.com.)

In an announcement that indicates how a natural disaster can affect roadways for years, the Oregon Department of Transportation told the public to be ready for two weeks of delays on U.S. 395 south of Canyon City for special treeclearing work. ODOT said its crews plan to bring down “hundreds of hazard trees” along the highway that were damaged by the 2015 Canyon Creek Complex Fire. The work was scheduled to start April 9 and continue for about two weeks along nearly six miles. And the department issued careful instructions to motorists using the route. “Motorists can expect delays of up to 20 minutes with flaggers and pilot cars directing traffic through the work zone between mile points 10.6 and 16.2,” it said. “The highway will be closed at both ends of the project with pilot cars stationed nearby. Tree-falling activities will be halted about every 20 minutes when traffic is present. When the route is safe for travel, the pilot cars will escort waiting motorists through the area. For safety reasons, all motorists will need to stay with the pilot car line and not stop or pull over while in the work zone.” ODOT said its crews worked with their office of maintenance and the U.S. Forest Service to ensure that staff involved with tree-falling efforts received appropriate training prior to the operation, which the Forest Service will also monitor. That’s because it can be trickier than it sounds, and the project will not simply cut the trees and remove them. In fact, the plan is to avoid removing them. “Most of the trees cut down will be left in place where they fall to help stabilize the soil and prevent erosion issues,” ODOT said. “The area is slowly recovering from the fire that destroyed much of the ground-anchoring vegetation.” It said some trees may be relocated for other erosion control or stream habitat needs, and that crews are doing the work early this spring to lessen the impact for nesting birds and other animals. “The goal is to drop the trees so they are adjacent to existing stumps and rocks that will prevent them from rolling or moving onto the highway,” said David Halemeier, Blue Mountain district ranger for the Malheur National Forest. He added: “If they cannot be placed in such a manner they will be removed for safety reasons. Because of the loss of vegetation, the ground is more susceptible to erosion. These trees will help catch and hold the soil in place until ground cover returns. Of those trees that we remove, some will be placed in and around streams and waterways to improve stream conditions.” The department also warned the public that the downed trees are not to be removed or cut for firewood. “Doing so violates the conditions found within the Malheur National Forest wood-cutting permit,” it said. “Violators will be cited.” (This story also can be found on Construction Equipment Guide’s website at www.constructionequipmentguide.com.)

Construction Equipment Guide • Pacific Northwest Supplement • www.constructionequipmentguide.com • April 15, 2018 • Page 11

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December 23

Efficiency & High Performance.

Page 12 • April 15, 2018 • www.constructionequipmentguide.com • Pacific Northwest Supplement • Construction Equipment Guide

The LH50M Industry material handler represents efficiency and high performance. The standard Liebherr regenerative power system assures maximum handling while, at the same time, achieving lower fuel consumption. Quiet operation with the highest payload is guaranteed by the large, sturdy undercarriage. The attachment of the machine is available in a variety of versions and is thus always optimally matched to your respective application.

18060 Des Moines Memorial Dr. Seattle, WA 98148 3909 NW Fruit Valley Rd Vancouver, WA 98660