{"id":"mcc","version":"0.1.0","classification":{"uniformat":"D5010"},"names":["Motor control centre"],"aliases":["MCC","motor control center"],"service_life":{"median_years":10,"range_years":[10,10],"range_basis":"source_spread"},"pm_tasks":[],"basis":[{"type":"public_document","life_type":"planning","title":"Taking Stock of Your Water System: A Simple Asset Inventory for Very Small Drinking Water Systems (EPA-816-B-21-003), April 2022","by":"U.S. Environmental Protection Agency, Office of Water","url":"https://www.epa.gov/system/files/documents/2022-06/FINAL%20Taking%20Stock%20of%20Inventory%20STEP%20Guide_508.pdf","page":7,"code":"Electrical Systems","label":"\"Motor Controls/Variable Frequency Drives\" (Electrical Systems worksheet), Useful Life 10 years","years":10,"note":"Printed page 5. One combined row for motor controls and VFDs at water system facilities (pump stations, treatment). Mapped to both VFD and motor control centre; the row does not distinguish a motor control centre from individual starters."}],"confidence":{"grade":"C","sample_size":null},"open_questions":["Every source here is a published planning, design or accounting life. None is observed replacement data.","No preventive maintenance tasks are sourced yet."],"contributors":["unfinished.one editors"],"last_reviewed":"2026-10-23","canonical_url":"https://unfinished.one/c/mcc","versioned_url":"https://unfinished.one/c/mcc/v/0.1.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Motor control centre, v0.1.0. https://unfinished.one/c/mcc/v/0.1.0"}