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Glen Canyon Bridge Pipeline Repair

Glen Canyon Bridge Pipeline Repair

by | Feb 5, 2020

Glen Canyon Bridge Pipeline Repair

When the sewer main on Glen Canyon Bridge was deemed to be in critical condition, Loven Contracting responded immediately to perform assessments and upon award, acted quickly to perform repairs. 

Glen Canyon Bridge Pipeline Repair

Working 800 feet above the Colorado River demands the highest levels of safety compliance. Our VPP Star Safety Rating makes us the best possible choice for projects with specialty safety requirements. 

Glen Canyon Bridge Pipeline Repair

Loven Contracting worked with ADOT to coordinate a single lane bridge closure – possible only at night. All work was completed after hours and without impeding the daytime business activities of community stakeholders. 

Glen Canyon Bridge Pipeline Repair

Work on the pipeline was completed quickly and efficiently, providing overall cost savings to the National Park Service.

GLEN CANYON BRIDGE PIPELINE REPAIR

Location

Coconino County, AZ

Markets

Government & Municipal

Glen Canyon National Recreation Area has their largest wastewater treatment facility located at Wahweap Marina, which pumps sewage to Page crossing the Glen Canyon Bridge at the Colorado River. The sewer force main at this facility hangs off the side of the bridge 800 feet above the water below and was deemed in critical condition. Loven Contracting acted quickly and performed immediate assessments of the pipeline structure upon contract award. 

After the pipeline breaches were identified, Loven Contracting developed a scope of work to perform the immediate repairs required to allow the pipeline to function properly. In order to access the pipe and begin the repair process, a bridge truck was utilized to lift personnel out and over the side of the bridge. Using the bridge truck required closure of a travel lane on the bridge, restricting traffic flow. Due to an outstanding traffic permit between ADOT and the local houseboat transportation company, the bridge lanes could not be restricted between the hours of 6am and 8pm. As such, all traffic closures and bridge truck activities were conducted after 8pm. 

In addition to our construction services, Loven Contracting provided valuable recommendations and advisement to the National Park Service to ensure the pipeline’s future long-term performance. This project came in below original estimates, providing an overall cost savings to the National Park Service.

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Flagstaff Family YMCA

Flagstaff Family YMCA

by | Feb 5, 2020

Flagstaff Family YMCA

Loven Contracting worked with community and YMCA stakeholders to deliver this valuable asset to Flagstaff, AZ. Delivery of the desired programming at the required budget was accomplished via robust preconstruction processes in partnership with the entire project team.

Project Site Challenges

Project site challenges were reflective of Flagstaff’s volcanic geology – construction of the Flagstaff YMCA required extensive basalt rock excavation. The native ponderosa pine forest is a unique feature of this region, and our staff worked with the client to maximize native tree protection around the facility.

Offering a Wide Range of Services to the Community

The completed project is a true community asset, featuring a multi-purpose gymnasium, wellness/fitness areas, a two-story climbing wall, and accredited Early Childhood Education programs.

FLAGSTAFF FAMILY YMCA

Location

Flagstaff, AZ

Markets

Parks & Recreation

This project was awarded “Honorable Mention” in the Architectural Design category by Engineering News Record (ENR) Southwest Contractor magazine in their Best of 2010 competition.

The Flagstaff Family YMCA is an example of project success, beginning with a diligent preconstruction process. Working hand in hand with the YMCA and community stakeholders, our team maximized programming while adhering to a strict budget despite the challenging project site. 

This 20,000SF community center is located on a heavily forested, significantly sloped site containing substantial amounts of volcanic bedrock and is a key drainage point for the San Francisco Peaks. The project’s initial phases required significant site work, rock removal, and utility connections through thousands of basalt feet. An extension of the nearby Flagstaff Urban Trail System helped connect the new facility to the community via bicycle. The diligent preservation of the site’s ponderosa pines maintained the facility’s forested atmosphere. 

The completed YMCA includes a Member Child Care Center, Early Childhood Center, multi-purpose gymnasium, climbing wall, aerobics and spinning studios, wellness/fitness area, technology learning center, and locker rooms, enabling the facility to offer a wide range of services to the Flagstaff, Arizona community.

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Kolb Studio

Kolb Studio

by | Feb 5, 2020

Preserving the Quality of Experience From Start to Finish

Loven Contracting’s extensive management of safety procedures enabled the Kolb Studio to remain in operation and open to the visiting public throughout construction without impacting the quality of experience for the visiting public or National Park Staff.

Attention to Detail, in Partnership with Conservators

Finishes on the exterior of the building required abatement prior to refinishing with historically appropriate – as identified by conservators – linseed oil glazing compound and paint.

Ensuring Long-Term Integrity

Loven Contracting replaced-in-kind damaged logs, shingle siding, and structural beams to ensure long-term integrity of the structure.

KOLB STUDIO

Location

Grand Canyon National Park, AZ

Markets

Historic Preservation

The preservation scope of work for Kolb Studio at the Grand Canyon National Park was designed to address degradation and the effects of increasing visitation to the historic site. Our team repaired and replaced-in-kind damaged log and shingle siding, structural beams, gutters, and wooden porches to ensure long-term integrity of the structure in the harsh Northern Arizona climate. Finishes on the exterior of the building required abatement prior to refinishing with historically appropriate linseed oil glazing compound and paint, as identified by historic preservation specialists. Loven Contracting also rectified drainage problems related to public sidewalks and corresponding retaining walls.

Throughout construction, Kolb Studio remained in operation and open to the visiting public. Loven Contracting’s extensive management of environmental controls and safety measures enabled the successful implementation of each phase of the project without impacting the quality of experience for the visiting public or National Park staff.

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NPS Science & Resource Management Building

NPS Science & Resource Management Building

by | Feb 5, 2020

A USGBC LEED Platinum-Certified Facility

The two-story, 8,900SF Science & Resource Management Building is a USGBC LEED Platinum-certified facility that incorporates the National Park’s architectural styles.

Energy Efficient Lighting Sources Throughout The Building

The NPS Science & Resource Management Building interior features both natural and LED lighting for efficiency.

Sustainable Features In Every Space

The building incorporates exhibits, office spaces, conference rooms and laboratories, all of which incorporate sustainable features and real-time tracking of the buildings energy systems.

Site Redevelopment

During preconstruction, it was determined that re-siting the building to an existing brownfield would produce significant savings for the National Park Service and would garner additional points in the LEED Certification process. This new site also enabled a re-orientation of the planned structure to maximize solar benefits. 

NPS SCIENCE & RESOURCE MANAGEMENT BUILDING

Location

Grand Canyon National Park, AZ

Markets

Government & Municipal | Sustainable Solutions

This project earned 19 out of 19 LEED points in the LEED Optimized Energy Performance category and was recognized for its exemplary regional design response to local Arizona conditions. This project also earned a Sustainable Building Award from Coconino County. 

The Science and Resource Management Building at Grand Canyon National Park, AZ, is an award-winning Design-Build, USGBC LEED-Platinum certified, and federally-funded project. The SRM Building was built in collaboration with Flagstaff-based Civil Design & Engineering (CDE).

CDE and Loven Contracting worked together to design the two-story, 8,900SF building, focusing on sustainability and incorporating the surrounding park’s architectural styles. Our construction services on the Science and Resource Building included office spaces, conference rooms, laboratories, a gray water collection system, a rainwater collection system, solar panels, and LED lighting throughout. The end-product is an environmentally friendly facility that blends into the landscape of the Grand Canyon National Park.

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Buckey O’Neill Cabin

Buckey O’Neill Cabin

by | Jan 15, 2020

Buckey O'Neill Cabin: Post Preservation Condition

The Buckey O’Neill Cabin, individually listed on the National Register of Historic Places, sits on the precipice of the South Rim of the Grand Canyon in historic Grand Canyon Village. The completed project is an exceptional example of public/private partnerships in preservation, returning the structure to its 1935 condition and garnering both Engineering News Record (ENR) and Governor’s Heritage Preservation Awards.

Buckey O'Neill Cabin: Pre-Preservation Condition

The Buckey O’Neill Cabin structure was at risk from compromised structural members, poor drainage, end-of-life roof, and the absence of eaves, gutters, and downspouts. Existing windows, doors, frames, and paint were not historically appropriate.

The Oldest Historic Building in Grand Canyon National Park

Built circa-1890, the Buckey O’Neill Cabin is the oldest surviving historic structure on the South Rim of the Grand Canyon National Park. The cabin is considered one of the earliest examples of adaptive reuse of a historic structure.

Buckey O'Neill Cabin: Evaluation of Log Elements

To begin, each log/crown feature was evaluated for reuse or replacement. Due to widespread insect damage and decay, much of the total existing log material was slated for replacement in-kind.

Buckey O'Neill Cabin: Replacement Matching

Replacement matching was a multi-step selection process. Once a similar log was selected for reuse, it was sized to the exact matching diameter and shaped to closely resemble the piece slated for replacement.

Buckey O'Neill Cabin: Southeast Log Crown

Southeast log crown before and after the preservation process illustrating preserved logs. Our team’s carpenters took great care to accurately select all logs for repairs and duplicate their historic shape and tool marks.

Buckey O'Neill Cabin: Northwest Corner

The northwest corner exhibited some of the most extensive damage and a completely buried stone foundation. In addition to the aforementioned log preservation efforts, these images illustrate board and batten wood siding, wood shakes, the excavated stone foundation, and the addition of a fully reversible copper gutter and downspout.

 

Buckey O'Neill Cabin: In-Process Log Assembly

Preservation required multiple rounds of assembly and disassembly of log crowns prior to the finishing process. Bracing was utilized to ensure the integrity of the historic structure throughout the historic preservation process.

Buckey O'Neill Cabin: Historically Accurate Finishes

Loven Contracting worked with conservators to identify a historically accurate log finish as well as the original chinking materials and daubing composition.

Buckey O’Neill Cabin

Location

Grand Canyon National Park, AZ

Markets

Historic Preservation | Parks & Recreation

This project was honored with the 2019 Governor’s Heritage Preservation Honor Award, as presented by the Arizona State Historic Preservation Office, and a 2019 ENR Award of Merit for Renovation/Restoration, as presented by Engineering News Record. 

The Buckey O’Neill Cabin is individually listed on the National Register of Historic Places and is located just feet from the South Rim at the Grand Canyon National Park. Built circa 1890 by a key figure in both Arizona State and U.S. National history, the Buckey O’Neill Cabin is one of the earliest examples of adaptive reuse of a historic structure.

A multi-disciplinary partnership, including Loven Contracting’s Historic Preservation Team, was formed with the following goals:

  • To ensure the integrity of the cabin for the next 129 years and beyond;
  • To return the cabin to a condition reflective of its appearance in 1935, when it was purchased by the Fred Harvey Company and incorporated into the Mary Colter-designed Historic Bright Angel Cabins and Lodge Complex;
  • To complete this preservation in a manner worthy of an important state and national landmark, utilizing best-in-class information, analysis, and construction techniques, while adhering to NPS Historic Preservation guidelines.

The team undertook an extensive preservation process, including painstaking materials matching, modification of contemporary tools to more accurately replicate the marks made by Buckey O’Neill during the original construction, and diligent documentation of every step to ensure accuracy. The result is truly exceptional. Loven Contracting is honored to share in the stewardship of this national icon and preserve it for future visitors to this UNESCO World Heritage Site and National Park.

         

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Highlands Fire Station

Highlands Fire Station

by | Jan 14, 2020

Highlands Fire District Additions

Loven Contracting partnered with Highlands Fire District to construct a 4,000SF addition to their administration building as well as new headquarters for the Bear Jaw Wildfire Hand Crew.

Highlands Fire District Additions

New conference facilities within the addition double as a community meeting space.

Highlands Fire District Additions

The administration building includes new Apparatus Bay parking.

Highlands Fire District Additions

New Bear Jaw Wildfire Crew quarters offer a much needed upgrade for staging and gear maintenance.

Highlands Fire District Additions

During construction our team identified a leak in the fire loop and drainage challenges that were causing failure of the surrounding pavement. The issue was mitigated via a 3’ over-excavation and substrate rebuild to support heavy vehicle traffic.

HIGHLANDS FIRE STATION

Location

Flagstaff, Arizona

Markets

Government & Municipal | Tenant Improvements & Remodels

Loven Contracting worked with Highlands Fire District on the Design+Build delivery of a 4,000SF Fire Administration Building addition to the existing Fire Station and a 2,400SF Pre-Engineered Metal Building for the Bear Jaw Wildfire Hand Crew.

Construction took place during a heavy monsoon season, requiring 8-foot over-excavation, fill, and compaction to prepare the site. During construction, our team identified a leak in the fire loop and drainage challenges that were causing failure of the surrounding pavement. Loven Contracting mitigated these issues via a 3’ over-excavation and substrate rebuild to support heavy vehicle traffic. Completing this concurrently with the original scope of work enabled our client to achieve meaningful savings and completed the project on schedule.

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