Robert P. Cotton

Technical specialties are elevators and escalators, including failure analysis, troubleshooting, installation, repair, modernization, maintenance, and inspection.

● in the area of failure analysis, experience has focused on electrical and mechanical failures of elevator and escalator systems. These include high-rise, high-speed multiple elevator groups, hydraulic elevators in smaller apartments and commercial buildings, and multiple escalator systems in shopping malls, hospitals, transit systems and convention centers.

● in the area of troubleshooting, experience has focused on determining the nature and root cause of mechanical and electrical malfunctions and failures, and re-designing / reengineering the circuitry and mechanisms to be more dependable and longer lasting.

● in the area of installation, experience includes field surveys and installation of complete elevator escalator systems from start to finish, from single units to multiple units, including final adjustments, inspections, certifications and acceptance.

● in the area of repair work, experience includes the removal and replacement of a wide variety worn and damaged equipment from elevators and escalators, including creative solutions for removing heavy, awkward components that could not otherwise be accessed. Experience also includes replacing all high-wear elevator and escalator chains, bearings, cables, motors, generators, gearboxes, and hydraulic valve, pump and cylinder assemblies.

● In the area of modernization, experience includes designing, adapting, adjusting, and testing new components for existing systems, including new motors and drive units, doors and operators, safety upgrades, handicap requirements, elevator interior remodels, and computer-based logic controllers for multiple-elevators, high-rise buildings; Escalator code compliance upgrades, design, implementation acceptance.

● in the area of maintenance, experience includes preventive and periodic maintenance of all types of residential commercial elevators, including high-speed and low-speed passenger and freight elevators, hydraulic and electric traction elevators, dumbwaiters, and escalators, according to OEM requirements.

● in the area of inspection, experience includes field surveys for bidding purposes, site progress inspections for portions of specific construction and modernization contract compliance, as well as final acceptance testing for specific contract specifications and scopes of work, coordination with the State of California Elevator Division of Cal/ OSHA, including code compliance issues.