
Project Scope: High-end commercial plumbing fit-out and interior buildout for the T-Mobile retail facility inside the historic Diamond Building at 100 Fifth Avenue in Downtown Pittsburgh, PA.
Our team engineered and executed a full commercial installation across multiple levels of this historic structure. On the main floor, we installed advanced automated sensor lavatories, modern bi-level drinking fountains, and utility laundry trays. Behind the scenes, our master technicians completed a full water heater integration and a complex above-ground PVC vent pipe installation system to meet strict downtown commercial building codes. The project required precise navigation through the building’s historic basement infrastructure, working directly alongside the original Diamond Bank structural footings and antique safety deposit vaults.
Whether handling complex downtown commercial fit-outs or delivering fast residential diagnostics, Bill Helmken Plumbing LLC provides master-level trade execution. If you need a fully licensed, code-compliant plumber in Pittsburgh, PA, contact our expert team today to discuss your project guidelines.



