2013 Pinnacle Winners Enhance The Carolinas & Advance The Construction Industry

CHARLOTTE, N.C., Feb. 4, 2014 — (PRNewswire) —   Carolinas AGC (CAGC) recently bestowed the 2013 Pinnacle Awards—the most prestigious recognition in the Carolinas construction industry—to five projects and an individual. The Pinnacle Awards shine a light on our profession in a very public way, and exemplify CAGC's very reason for existence: Advancing the construction industry to enhance the quality of life and deliver a sustainable difference in the Carolinas.

Best Highway Project (1 of 2 Awards)

Safety Improvements to 13 Separate Intersections in Central South Carolina

Contractor: C.R. Jackson, Inc., Columbia, SC

This federal aid design-build intersection safety project involved 13 intersections across Aiken, Clarendon, Lexington, Orangeburg, Richland, and Sumter counties. C.R. Jackson was responsible for design, permitting, right of way acquisition, utility relocation coordination, and construction—for all 13 projects, under one contract, in a very condensed timeframe.

This application of the design-build procurement method for a bundle of safety related projects was a first by the SC Department of Transportation (SCDOT). Its goals were to ultimately qualify for Federal Safety Funds via data-driven analysis, and validate that design-build is a viable option for projects of this nature in the future.

Using current SCDOT statistical value, accidents over a three-year period for these 13 intersections had cost more than $13 million in property damage and injuries plus loss of life. The average anticipated accident reduction for these improved intersections is 45 percent. Completing these projects in just 18 months rather than the conventional 36 months represented a saving to taxpayers of over $2.9 million—and an estimated $2 million in each future year.

Project management on 13 simultaneous work sites—many with ongoing traffic patterns—on an aggressive schedule presented unique challenges that required significant resourcefulness.

  • Coordinating with other companies and agencies, such as assisting utility providers in knowing where their lines were, to help save on relocation costs.
  • Flexibility to accommodate a very long list of uncontrollable items they couldn't generally influence, such as 97 different property acquisitions requiring a minimum of 120 days each.
  • Creativity in deploying logistically located resources (workers, equipment, three asphalt plants, and subcontractors) across 13 sites separated by 150 miles.

With more than 100,000 total man hours logged, C.R. Jackson reported no lost time incidents and no construction related accidents. And, all 13 intersections were substantially completed within original budgeted construction time and within budget.


The I-85 Yadkin River Bridge, Salisbury, NC

Design-Build Team: The Joint Venture of Flatiron/Lane

With Partners in Excellence STV/Ralph Whitehead, Charlotte, NC, and HDR Engineering, Raleigh, NC

This project replaced a severely deteriorated, 60-year old bridge eight months ahead of schedule and $44 million below the owner's budget. NCDOT's RFP required great resourcefulness from the design-build team, as the bridge crosses five current and future railroad tracks, carrying 60 trains per day, including freight rail, Amtrak, and a future high speed rail.

The team's Maintenance of Traffic plan was key-- accelerating an intermediate milestone to open the northbound mainline bridge and temporarily shift both northbound and southbound traffic onto it. The team also saw that by slightly widening the median from 46 feet to 70 feet, they could construct a single work bridge in the center median instead of the two called for in the RFP. This choice not only accelerated the schedule and reduced the total cost, but also reduced the environmental impacts to the stringently monitored wetlands on the site.

The project team worked an impressive three and a half years without any Notice of Violations (NOVs), a huge accomplishment on a project surrounded by environmentally sensitive areas. At its peak, more than 200 people worked 24-hours a day, six to seven days a week. Crews finished the half-mile bridge in roughly 14 months.

This was a very high profile project, visited by the media, Governor Bev Perdue, and top state transportation officials multiple times. State officials used federal stimulus money to set aside $180 million to build the bridge, and funding also came from a mobility fund Gov. Perdue proposed in 2010. This project's success helps bolster the notion of what can happen when transportation projects are adequately funded.


R.B. Simms Water Treatment Plant and Lake Blalock WTP Improvements

Design-Build Team: Crowder Construction Company, Charlotte, NC;

With Partners in Excellence URS (the former BP Barber), Morrisville, NC; and Constantine Engineering, Fort Walton Beach, FL.

Spartanburg Water System (SWS) was looking to ensure an adequate water supply for at least two generations, and identified nearly $44 million in technological and electrical improvements. However, their budget was only 2/3 of that figure. They proceeded with an "alternate delivery method"—a first for this owner, letting it as a qualifications-based progressive design-build project. Not only was the project successfully completed safely with no interruption in service and on schedule, it was completed under budget. 

It was important to utilize as much of the existing facility as possible to minimize construction and environmental harm, as well as incorporate sustainable design practices. The team's work included:

  • Eliminating the need for chlorine gas disinfection, which had been a major health concern to the surrounding community
  • Providing a new chlorine dioxide generation system that reduced the potential formation of by-products and improved water quality
  • Enabling SWS to generate its own sodium hypochlorite solution, which reduced the carbon footprint and saves on long-term operations costs
  • A reduction in the amount of waste that previously went to landfills
  • A new pump station that allows for recycling of decant water, thereby reducing the volume discharged under the NPDES wastewater discharge permit and the amount of raw water required.

The project was completed with zero lost workdays and zero restricted days. Crowder's site-specific safety plan resulted in 129,501 man-hours worked and only one recordable accident.  


Duke University Baldwin Auditorium Renovations, Durham, NC

Contractor: LeChase Construction Services, Durham, NC

With Partners in Excellence: Brown Brothers Plumbing & Heating Company, Durham, NC and Comfort Engineers, Durham, NC

The transformation of Baldwin Auditorium into an acoustically superior world-class musical venue was a LEED® silver registered project. The existing venue had poor acoustics, and the LeChase team virtually remade it—changing the very shape of the interior, redesigning and relocating mechanical equipment configuration, and renovating the unusual coffered dome. Those were complemented by a focus on intricate structural modifications and special finishes, all through an intricate sequenced process.

The team added wall and floor mass to create an acoustically superior shoe-box shape. To maximize acoustic efficiency, all walls were angled, curved or shaped to avoid parallel surfaces.

While dome shapes are not typically desirable for acoustic excellence, the coffered dome of Baldwin was an aesthetic masterpiece which Duke University wanted to retain. A substantial scaffolding system was engineered to create a "dance floor" high above the finished floor elevation promoting safe access for new plaster finishes, acoustical coffer installations, sprinkler, lighting, carpentry and paint applications. One-half of the dome required reflection of sound while the other half required absorption, but both halves were required to appear identical.

A common complaint of Baldwin patrons had been noise and vibrations of the mechanical equipment located directly below the auditorium. The new system allows air to permeate upward through 75,000 minute holes drilled in the stage floor to gently rise and cool/warm onstage performers. More than 250 swirl-air diffusers in the floor and under the seating area provide low pressure air to the audience. The result was zero vibration and silent delivery of conditioned air to the auditorium.

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