Visitors ascend the steps to the City Public Library, passing by a sturdy, powder-coated handrail under a clear sky. The 30-Year Vow In the world of municipal planning, there is a specific type of silent failure that haunts a budget: the premature replacement. When a city installs electrical transformers, traffic control cabinets, or fiber-optic enclosures, the expectation is a 30-year lifecycle. These are the "silent sentinels" of our infrastructure. But in North Texas, "30