Commercial Plumbing

Commercial Plumbing
Tankless heaters meet brewery’s large hot-water demand

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Tankless heaters meet brewery’s large hot-water demand

Problem: Mt Tabor Brewing Co. in Portland, Oregon, needed a reliable hot-water system to meet the high demands of the brewery’s new 6,000-square-foot facility.

Solution: A. O. Smith recommended three ATI-540H-N tankless water heaters combined by its Tankless Commercial Rack System. These models fully modulate up to 199,000 Btu/h to deliver a maximum flow rate of up to 10 gpm per heater while conserving energy when lower flow rates are needed. To meet peak hot-water demands, A. O. Smith paired the system with a TJV-500 storage unit, a glass-lined, fiberglass-wrapped unit capable of keeping up to 500 gallons of hot water at temperature for days on end.

Result: The new system has cut the brewery’s startup time each morning to about 20 minutes, and the current setup allows the brewery to double its output of beer without additional upgrades. 800/527-1953;

Pumps keep university athletic facility from flooding

Problem: The last several years, Louisville has experienced 50- and 100-year rain incidents. With the University of Louisville trying to build a powerhouse baseball program, closing the training facility and locker rooms due to flooding is not acceptable.

Solution: The East Sump sits on a spring so water drains into it all year. A 1601 submersible pump from Weil Pump was installed serving as backup to existing vertical pumps. The discharge line was directed to a parking lot manhole. The West Sump handles perimeter foundation stormwater drainage. It was completely revamped with three 2520 submersible pumps. The primary duplex set discharges to the storm sewer, with a single backup to an exterior storm drain. A fourth 2520 was added as a precaution if the backup failed. Weil’s 8196 PLC panel was installed to replace existing controls. It allows the building manager to view operation history and tie pumps together. The North Sump was outfitted with a submersible 1601. Its primary duty is to handle condensate from HVAC equipment, with secondary duty of foundation drainage.

Result: The basement remained dry despite several record downpours. The new system has proven more than capable of keeping up with demand. The building has generator backup but relies on transfer switches. Weil designed a more efficient system with a panel to reverse power to operate the transfer switch if one fails. 262/377-1399;

High-efficiency boilers earn high grades on Iowa college campus

Problem: A failing steam heating system posed many issues and challenges for facility services in Olin Hall at Cornell College in Mount Vernon, Iowa. According to Joel Miller, director of facility services, the old boilers and infrastructure from steam piping and condensate piping had deteriorated. Miller decided that the best option was to install more cost-effective, high-efficiency boilers in the building.

Solution: Travis Godbey, service manager with Pipe Pro, oversaw the boiler upgrades at the school. The team installed five Weil-McLain Ultra 550 MBH high-efficiency condensing gas boilers in the building. The unit has boiler-to-boiler communication, Modbus and BACnet for linking with BAS (building automation systems), express setup wizard, 10 preset typical heating systems and updated controls interface for simpler navigation, at-a-glance boiler status, diagnostics and troubleshooting. Three units were configured as the main heating boilers, while the other two were set up for domestic water. As part of the retrofit, thermostats were installed in each student’s room so they could regulate temperature for optimal comfort.

Result: “I can easily track every unit on campus and can even set alarms if needed,” says Miller. “The control system displays boiler parameters from each building on any computer, notepad or phone, and our team can make adjustments as needed in real time. This was never a possibility with the old system.” Overall, the campus has experienced a 15 percent reduction in gas usage. 219/879-6561;


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