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Preconstruction Services

Tandem can assits with your construction needs from concept to completion of your project.
Facility Assessment – Selection of most advantageous Project Delivery Method – Guidance in Project Team Selection – Budget and Design Development – Review Construction Documents for completeness and clarity – Developing Proposal Package that provides maximum value and assures maximum trade participation – Research and Evaluation of Proposals.

Contract & Project Management

Tandem Consulting works with your Team to meet your project goals. Manage the Process by Facilitating Productive Communication – Assure that Project Controls are in place that will document and address issues quickly and completely – Review Monthly Pay Requests for accuracy and compliance with the contract – Aggressively Manage Change Orders – Review Progress, Safety, and Quality of Work – Assure timely Occupancy and Close-Out of the project.

Metropolitan Area Network

Design and implementation of large scale outside plant fiber network infrastructure.
Experience in dealing with Local and State government agencies – Strategic planning including phased development with cost analysis – Preparation of Contract Documents – Experience with communication infrastructure built in public right of way, including TxDOT.



Tandem Consulting, LLC coordinates the complex work of the design and construction of your project.  We are founded on the concept that working in “Tandem” we can accomplish more.  Our Team provides very significant experience in all aspects of the building process.

Our strength lies in understanding the needs of the client, recognizing what resources are available or required to meet those needs, and assisting our client in assembling the best talent to accomplish the goal.


Tandem Consulting, LLC was founded in 2006 by Don Roundtree after 36 yrs of on the job training in architecture, code enforcement, building and heavy civil construction and OSP Fiber Project Management.   We are Program / Project Managers, and Owner Representatives.  Tandem is wholly owned by Don and Phyllis Roundtree.  Our principle office is located in Sulphur Springs, Texas.

Tandem Consulting, LLC brings an Experienced, Qualified and Ready to Work Team able to meet your needs.  




For any inquiries, questions, or commendations, please call: 972-544-1699 or fill out the following form.

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Corporate Office

204 Linda Drive Ste A

Sulphur Springs, TX 75482 

Tel: 972-544-1699

Contact Us: 972-544-1699
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