Engineering & Fabrication

Pond-based solution for Colorado mining company.

In order to provide adequate fire suppression for its operations, a coal mining company located in Rangley, Colo., needed a pond-based pumping solution. The result was to build a floating barge that would house pumping equipment and force water from a pond to a water tank three miles up the side of a mountain. The barge approach also would alleviate the problem of changing pond levels, which can cause damage to pump stations.

Rob Giese, Quadna Grand Junction branch manager, says the Colorado office, in conjunction with the fabrication team in Phoenix, fabricated the barge incorporating two Goulds vertical turbine pumps, discharge piping and valves, a walkway, a discharge header, 360 degree guardrail and the motor control panel.

 

Nancy Manelski, Quadna Phoenix applications engineer, says once the design was completed by Quadna’s Golden fabrication facility, the barge was constructed from scratch using the pumps that had been purchased prior.

“The barge was fabricated in Phoenix per our design/drawings then fully assembled here to ensure everything fit properly,” says Manelski. “The barge was approximately 17 foot x 17 foot square with 4.5 foot legs to prevent the pumps from bottoming out. The walkway was 12 feet and included a 20-foot stairway with a 3.5-foot landing to the shore. The walkway, which was pinned to the stairway and the floating barge, will allow for varying pond levels. Quadna installed Strongwell fiberglass grating panels for the service area around the pumps, the walkway and the stair treads. Once assembled, everything was match-marked, then disassembled into modular sections for shipment to the customer on a single flatbed truck. The control panel was shipped separately by the customer for installation.”

 

Quadna-designed and fabricated systems can provide turn-key solutions, offering efficiency and cost-savings.

Quadna's packaged systems are designed to accommodate the needs of our clients.  We listen to our customers and design & fabricate solutions that are appropriate for the application at hand.

Fire suppression skid fabricated for natural gas power plant, Texas

Fire suppression is critical to any power plant, commercial or industrial facility for the safety of workers and capital equipment. So, after Quadna, a DXP Company, was awarded a project by The Industrial Company (TIC) of Kingwood, Texas, a fast-track project was implemented to design, engineer, fabricate and install a custom fire pump suppression system in a new natural gas power plant in Abernathy, Texas.

 

According to Nancy Manelski, applications engineer in Quadna’s Phoenix office, the schedule to complete the system was accelerated from approximately 18 to 20 weeks to only 10 to 12 weeks. The Phoenix Quadna team provided the pricing, documentation management and ordered all of the pumps and components for the one-of-a-kind packaged system, Quadna Golden’s personnel provided the engineering and the team at DXP Enterprise’s Houston headquarters, known as Houston 529, got to work fabricating the platform for the new system. A 24-foot x 12-foot enclosure provided by Kysor was delivered to house the fire suppression system.

 

Brock Tisdale, area sales manager and engineer for Quadna’s Golden, Colo., branch, says the massive project also encompassed the construction of a power plant, the installation of several centrifugal and positive displacement pump packages two service water pumps, six coolant transfer pumps, four coolant forwarding pumps, one urea unloading pump, single speed electric drive motors, base plates, a control panel and related components. The fire suppression was completed and installed within the 12-week timeframe.

 

Quadna, a DXP Company, engineers, fabricates and services mechanical systems that move fluids and gases for industrial applications. TIC is a heavy industrial contractor that provides world-class construction expertise in the areas of power, mining/minerals processing, oil/gas/chemical, renewable energy, water and wastewater, marine, food and beverage and pulp and paper.

 

Fire Suppression Power Management, Pueblo, Colorado

When a new power plant undergoes construction, there are hundreds of critical considerations that must be addressed so various systems work seamlessly. Black Hills Energy Capital, Inc., which has two new plants in Pueblo, Colo., required well-engineered pump systems to manage fire suppression, condensate, HRSG and turbine drains water for myriad plant-related services. Quadna, a DXP Company, was awarded three separate contracts valued at more than $1.4 million to assist with these critical plant pump systems.

 Black Hills Energy Capital, Inc. currently is developing natural gas electric generating facilities capable of generating up to 500 megawatts and which will adjoin its other generating plants. The energy produced from the two plants – one simple cycle and one combined cycle - will be sold to wholesale energy markets and serve communities in Pueblo, Colorado Springs and Denver, Colo.

 

Brock Tisdale, area sales manager and engineer for Quadna’s Golden, Colo., office, says the company’s Phoenix and Golden offices teamed up to design and fabricate the dual electric fire pump system, the six duplex HRSG/turbine drain skids and other product lines used in the construction of the power plant pump systems including Goulds and BJM submersible pumps, for the power owner. 

 

Pump Units Circulate Amine Solution, Dubai

Quadna designed and constructed four pump units for installation at a new natural gas processing facility near Dubai, United Arab Emirates. The units circulate amine solution through a contactor to remove H2S and CO2 from a natural gas stream at pressures up to 1,440 pounds per square inch. The system also includes four, each, FMC Q18 Quintiplex reciprocating pumps with 300 horsepower variable speed motors.  The area’s geographical conditions are extremely harsh for machinery because the ambient design is 50 degrees Centigrade (122 Fahrenheit). In addition, there is high humidity and high winds with suspended sand and saltwater spray from the nearby ocean. However, Quadna selected machinery with distinctive features including equipment typically used for offshore coating systems, external lube oil cooler systems, solar shades and upgraded motor bearing seals. The pump skids were built to API 674 standards for long life and continuous duty in a petrochemical service environment.

Quadna served as the system designer and supplier.

Skid-Mounted Custom Valve Matrix, Colorado

A globally recognized integrated energy company approached Quadna in need of water transfer pumps and wound up with a completely skid-mounted custom valve manifold. This custom valve manifold is a result of Quadna’s ability to work closely with clients, listen to their desires and produce a solution. Quadna engineered a compact, automated solution for moving water from well field ponds and water distribution headers.

Quadna served as the system designer, supplier and integrator.

 

Vapor Recovery Unit, Utah

One of the largest independent oil and natural gas exploration and production companies in the world contacted Quadna to produce a skidded vapor recovery unit (VRU). The main purpose of the VRU system, composed of two scrubbers, a two-stage compressor, an intercooler, make-up gas system for low flows and VFD and instrumentation, is to capture emissions from natural gas processing systems. Found on a natural gas dehydration system, the VRU collects water, unwanted hydrocarbons and BTEX vapors that are stripped out of the gas stream to meet the natural gas distribution system quality specifications. Per EPA standards, Quadna ensured triple-redundancy on the VRU and provided the product on a self-contained skid.

Quadna served as the system designer, supplier, integrator and performed field start-up.

 

Y-Grade NGL Transfer Skid, Wyoming

A natural gas utility, providing retail natural gas distribution services to more  than 800,000 customers in the western U.S., approached Quadna to design a fluid transfer skid to move Y grade NGL, a mixture of ethane, propane, butane, isobutene and natural gasoline, from a bullet tank to a high pressure commercial gas line. Quadna’s transfer skid injects the Y-Grad NGL into a pipeline that moves the product directly to the refineries at 2100 psi, transferring ~2080 barrels of Y-grade a day.  

Quadna served as system designer, supplier, integrator and performed field start-up.

 

Mobile Water injection Skid, Colorado

One of the Rocky Mountain region’s major natural gas producers came to Quadna in search of an innovative solution for a produced water injection application bound for a geologically challenging area.  In order to save time and money, Quadna re-engineered and refurbished the client’s existing pumps.  The new and refurbished equipment, including a booster pump, filter vessels, control valves and a VFD, provides for monitoring and displaying process variables, allows operator input and enables data logging capabilities for EPA compliance.

Quadna served as the system designer, supplier and integrator.