{"schemaVersion":1,"slug":"ga-equipment-maintenance-envelope","name":"Equipment maintenance envelope","kind":"object","abbreviation":"GA","aliases":["service access zone","Equipment maintenance envelope CAD","Equipment maintenance envelope general arrangement","Equipment maintenance envelope panel layout"],"category":"equipment-layouts","drawingTypes":["GA","SLD"],"referenceFamilies":["Manufacturer"],"summary":"A maintenance envelope represents the selected space needed for servicing an item.","description":["A maintenance envelope represents the selected space needed for servicing an item.","Cross-reference manufacturer tasks, removable parts and access direction. The GA locates the physical item; the associated schematic or equipment schedule records its electrical interfaces.","The preview is independent educational geometry and is not a manufacturer outline, fabrication drawing or verified standard graphic. Obtain the applicable model drawing from the cited official source before making a dimensional layout."],"readingNotes":["Cross-reference manufacturer tasks, removable parts and access direction.","An illustrative boundary does not establish the legally required working space."],"drawingChecklist":["Confirm the exact equipment identity, drawing revision and installation orientation.","Cross-reference manufacturer tasks, removable parts and access direction.","Cross-reference the terminals, cable routes and service tasks with the equipment schedule."],"distinction":"An illustrative boundary does not establish the legally required working space.","facts":[{"label":"Record type","value":"Generic equipment / layout object"},{"label":"Drawing role","value":"Physical location and interface coordination"},{"label":"Dimensions","value":"Not specified here; use the selected manufacturer drawing"},{"label":"Artwork","value":"Original conceptual envelope; unitless and not to scale"}],"references":[{"sourceId":"pub-object-engineering-design","relevance":"Public manufacturer or design reference relevant to this equipment class."}],"related":["switchboard","control-cabinet"],"artwork":"edu-object-ga-equipment-maintenance-envelope","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/objects/ga-equipment-maintenance-envelope","illustration":{"url":"https://eloragrid.ai/library/illustrations/ga-equipment-maintenance-envelope.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pub-object-engineering-design","title":"Electrical installation design methodology and references","publisher":"Schneider Electric — Electrical Installation Guide","url":"https://www.electrical-installation.org/enwiki/General_rules_of_electrical_installation_design","type":"manufacturer","scope":"Public design context. No universal working clearance, equipment dimension or project compliance conclusion is asserted.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public manufacturer or design reference relevant to this equipment class."}]}