The Pinnacle

Thompson & Litton (T&L), working as a sub-consultant to both BurWil Construction Company and Williams Blackstock Architects on this design-build project, provided full service engineering and architectural design and permitting services for the overall site infrasturture, shops, buildings, and retailers as part of the Pinnacle Development in Bristol, Tennessee.

The Pinnacle is designed to accommodate over 1,000,000 SF of retail, restaurant, hotel and medical office space.

Some of the civil engineering services provided by T&L included design of the following project elements:

• Site plan, erosion & sediment control plan and stormwater management plan for the 250 acre mixed use development site;
• Pinnacle Parkway – one mile of four lane boulevard type roadway with a raised grass median, sidewalks, lighting, three signalized intersections (PB) and a four leg two lane roundabout;
• South Loop road connection from Pinnacle Parkway to Holiday Drive;
• 11,000 linear feet of 8-inch gravity sanitary sewer to serve the development;
• 12,400 linear feet of 12-inch, 8-inch and 6-inch water line to serve the development;
• 300,000 gallon water storage tank for The Pinnacle development and for Bristol, Tennessee;
• Storm drainage system for the Parkway and the retail development;
• Two regional stormwater management basins;
• Coordination with TDOT, BTES, and ATMOS for road improvements at Route 11W, underground power, and gas service, respectively.
• Specific electrical engineering design services provided by T&L on this project included the following:
• Exterior lighting along the Parkway;
• Exterior parking lot lighting for the retail development;and
• Coordination with BTES for electrical service feeds for the retail development.

This project also included coordination with the Contractor, City of Bristol, Tennessee, Architects, Landscape Architects, Tennessee Department of Environment and Conservation (TDEC) and Washington County, Virginia.

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Ridgeview High School

T&L partnered with Perkins + Will, an international Architectural firm hired by Dickenson County, in late 2011 to provide civil engineering design, permitting, bidding and construction administration services associated with the development of Dickenson County’s new consolidated high school and middle school complex.

The project was funded by the Army Corps of Engineers and Rural Development.

Facility highlights include:

• An approximate 47-acre site;
• High school/middle school building;
• Vocational education building; and
• Athletic support facilities including an approximate 3,500 seat football/soccer stadium with artificial turf, baseball/softball fields, tennis courts, and various athletic practice fields.

Civil engineering highlights include:

• Approximately 800,000 cubic yards of earthwork;
• An extensive network of site utilities including stormwater, water, sewer, a 25,000 gallon per day wastewater treatment plant, gas, electric, fiber, and telephone; and
• On-site access roads and parking.

In addition to assisting with the permitting required through the Army Corps of Engineers, T&L developed the Erosion & Sediment/Stormwater Management plan for the project and prepared the Virginia Stormwater Management Program (VSMP) permit application including a Stormwater Pollution Prevention plan.

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Brown, Church and Lucas Stormwater Improvements

• Planimetric and topographic survey;
• Design a stormwater conveyance system to capture stormwater runoff; Erosion and sediment control / stormwater management plan;
• Stormwater Prevention Pollution Plan (SWPPP);
• Bidding and advertising; and Construction contract administration.

The project was divided into two (2) phases. Phase I consisted of approximately 1,200 l.f. of 60-inch storm drain and all related appurtenances.  Phase II consists of approximately 2,500 l.f. of storm drain varying in diameter from 36- to 60-inch, approximately 600 l.f. of curb and gutter, and all related appurtenances.

The Phase I project was awarded to Wells Construction Co., Inc. in September 2016 for $944,879.00 and was completed in June 2017 at a final construction cost of $1,091,608.80.  Phase I was designed and constructed within budget and on schedule.  Significant rainfall events following construction of the Phase I project have demonstrated the project’s success!

T&L is currently finalizing the Phase II design.

Unique Design Features: Minimize flooding in residential area without modifying existing aboveground improvements

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