The new facility also required a precise A/C system as well as a chilled-water piping system to control heat created during the oil-production and gel-capping processes. Additionally, the piping system had to be durable, resistant to pressure and stress cracking, and virtually leak-free.

Recognizing the importance of plumbing in an oil-production facility, Mike Fox of CPI Plumbing & Heating (Mount Vernon, WA) was determined to find the right piping-system solution for the Barlean family’s business.

NAVIGATING PROJECT CHALLENGES

The project’s largest complication was that the new manufacturing facility already was in the finishing stages by the time Fox arrived on site.  “All other trades had completed their work, so installing a chilled-piping system was going to be a challenge, to say the least,” Fox recalled.

Navigating a suspended ceiling as well as completed wall and floor finishes while trying to install chilled-water piping systems on three oil-production lines was not going to be easy.

Fox’s next challenge was choosing a piping material. Because of limited installation room, the facility’s finished interior, and the weight of the pipe, “welded steel was out of the question,” Fox said.

Additionally, “steel would require the use of additives, as would copper. I found fault with all of the materials that I or other contractors with whom I had worked had previously installed. Plastic seemed like the obvious choice; however, many PVC systems have failed due to stress cracking.”

HEAT FUSION TO THE RESCUE

Fox then remembered a phone call from an Aquatherm manufacturers’ representative, Phil Sterlington with Ridgeline Mechanical Sales (Gig Harbor, WA), who recently had used Climatherm polypropylene-random (PP-R) piping in a reclaimed water project.

“I remembered his excited explanations of the product, its versatility and ease of installation, and its warranty, which was very important to us,” Fox said. “We wanted a piping system that would last the life of the facility with no worry of warranty issues.” When installed by Aquatherm-trained and certified technicians, the pipe and fittings carry a 10-year, multimillion-dollar warranty covering product liability, personal injury, and property damage.

Although Barlean’s maintenance manager, Mark Lemna, had never heard of Aquatherm’s PP-R piping prior to this project, he “solely relied on the recommendations of the installer. The piping came highly recommended.”

Climatherm piping uses heat-fusion to form connections, a process often used in natural-gas piping because of its reliability. Heat fusion bonds both sides of a joint into a single, homogenous material without the use of chemicals or mechanical connections, which eliminates systematic weaknesses and fail-points in the pipe. The seamless heat-fusion connections, combined with PP-R’s resistance to corrosion and abrasion, eased leakage concerns.

With a maximum operating pressure of 30 psi, the chilled-water piping system used approximately 1,000 ft of Climatherm, consisting mainly of 3-in.-diameter supply and return chilled-water mains with 2-in.-diameter piping running out to AHUs. Featuring VFD pumps, the system was going to be experiencing pressure changes based on flow requirements — yet another reason Climatherm caught Fox’s eye.

“We are confident Climatherm succeeded in resolving any issues we could think of concerning the liquid product used and the pressures the system would encounter,” Fox said. “The Climatherm product seemed like a no-contest decision.”

Other mechanical equipment used in the project included a Bry-Air exterior AHU, a Canatal interior vertical floor-mounted AHU, a Carrier chiller, and an EnviroSep pump skid pack.

MAKING THE ‘RIGHT CHOICE’

When the project was completed, “we fired the system up, and everything worked perfect,” Fox said, adding that the plumbing aspect of the job came in on budget.

“We were able to install the system without a hitch,” he said. “The install was even easier than I had planned. Following the factory procedure for testing, which is very extensive, we were happy to find our system was completely leak-free.”

Additionally, Lemna plans on using Aquatherm Climatherm when the facility expands its production lines.

“We haven’t had any problems at all with the system,” he said. “It is holding up well.”  ES