Demiton · Schema

maintenance_record contract v2

Plant service and maintenance records.

CompanyConstructionCivil EngineeringProject ManagementComplianceMCPArtificial IntelligenceOpen Contracting

Properties

Name	Type	Description
asset	string	the item of plant the record is about
worker	number	the worker who submitted the form; an anchor, not a declared axis
form_id	number	the source form template identity
project	number	the project the plant was working on when serviced
currency	currency	the currency of `service_cost`, an ISO 4217 alpha-3 code as the source states it. A record with no currency has no usable amount.
location	string	the place named on the form where the work happened
certifier	string	the competent person who performed or certified the service
unplanned	boolean	1 when this maintenance event was a breakdown, 0 when it was planned work
asset_hint	string	the free-text machine name the form carries when the top-level asset id is empty, used to resolve the `asset` anchor
asset_type	string	the plant type named on the form (e.g. the machine class)
form_title	string	the tenant's own name for the maintenance form the record was captured on; the key the SAS value-map is bound to
external_id	string	the source form-result's own identifier, as text
next_due_at	string	the date the next inspection/service falls due
occurred_at	string	when the maintenance record was submitted; the date the retention clock runs from
jurisdiction	jurisdiction	the WHS/examination regime whose interval and retention rule apply
labour_hours	number	labour hours booked to the service
service_cost	number	the total cost of the service
service_date	string	the date carried on the form, where it differs from submission time
source_units	object	the source unit each measure arrived in, beside the canonical unit
machine_hours	number	operating-hour meter reading at the time of service — the preferred hour source
interval_basis	string	why the next inspection/service is due — statutory interval, a competent person's examination scheme, or the manufacturer's recommendation
tenant_payload	object	the tenant's own form questions and answers — servicing notes, faults found, parts, cost components, media/signature answers
inspection_class	string	pre-operational / routine / major inspection or service
hour_meter_reading	number	the second form family's hour/odometer reading at service

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://docs.demiton.io/registers/maintenance_record/v2.json",
  "title": "maintenance_record contract v2",
  "type": "object",
  "required": [
    "asset",
    "external_id",
    "occurred_at"
  ],
  "properties": {
    "asset": {
      "type": "string",
      "description": "the item of plant the record is about",
      "x-demiton-requiredness": "required",
      "x-demiton-reference": true
    },
    "worker": {
      "type": "number",
      "description": "the worker who submitted the form; an anchor, not a declared axis",
      "x-demiton-requiredness": "optional",
      "x-demiton-reference": true
    },
    "form_id": {
      "type": "number",
      "description": "the source form template identity",
      "x-demiton-requiredness": "optional"
    },
    "project": {
      "type": "number",
      "description": "the project the plant was working on when serviced",
      "x-demiton-requiredness": "optional",
      "x-demiton-reference": true
    },
    "currency": {
      "type": "currency",
      "description": "the currency of `service_cost`, an ISO 4217 alpha-3 code as the source states it. A record with no currency has no usable amount.",
      "x-demiton-requiredness": "optional"
    },
    "location": {
      "type": "string",
      "description": "the place named on the form where the work happened",
      "x-demiton-requiredness": "optional"
    },
    "certifier": {
      "type": "string",
      "description": "the competent person who performed or certified the service",
      "x-demiton-requiredness": "optional",
      "x-demiton-reference": true
    },
    "unplanned": {
      "type": "boolean",
      "description": "1 when this maintenance event was a breakdown, 0 when it was planned work",
      "x-demiton-requiredness": "tenant-specific"
    },
    "asset_hint": {
      "type": "string",
      "description": "the free-text machine name the form carries when the top-level asset id is empty, used to resolve the `asset` anchor",
      "x-demiton-requiredness": "optional"
    },
    "asset_type": {
      "type": "string",
      "description": "the plant type named on the form (e.g. the machine class)",
      "x-demiton-requiredness": "optional"
    },
    "form_title": {
      "type": "string",
      "description": "the tenant's own name for the maintenance form the record was captured on; the key the SAS value-map is bound to",
      "x-demiton-requiredness": "tenant-specific"
    },
    "external_id": {
      "type": "string",
      "description": "the source form-result's own identifier, as text",
      "x-demiton-requiredness": "required"
    },
    "next_due_at": {
      "type": "string",
      "description": "the date the next inspection/service falls due",
      "x-demiton-requiredness": "optional",
      "format": "date",
      "x-demiton-type": "date"
    },
    "occurred_at": {
      "type": "string",
      "description": "when the maintenance record was submitted; the date the retention clock runs from",
      "x-demiton-requiredness": "required",
      "x-demiton-unit": "instant",
      "format": "date-time",
      "x-demiton-type": "datetime"
    },
    "jurisdiction": {
      "type": "jurisdiction",
      "description": "the WHS/examination regime whose interval and retention rule apply",
      "x-demiton-requiredness": "optional"
    },
    "labour_hours": {
      "type": "number",
      "description": "labour hours booked to the service",
      "x-demiton-requiredness": "optional",
      "x-demiton-unit": "hours",
      "x-demiton-type": "decimal"
    },
    "service_cost": {
      "type": "number",
      "description": "the total cost of the service",
      "x-demiton-requiredness": "optional",
      "x-demiton-type": "decimal"
    },
    "service_date": {
      "type": "string",
      "description": "the date carried on the form, where it differs from submission time",
      "x-demiton-requiredness": "optional",
      "format": "date",
      "x-demiton-type": "date"
    },
    "source_units": {
      "type": "object",
      "description": "the source unit each measure arrived in, beside the canonical unit",
      "x-demiton-requiredness": "optional"
    },
    "machine_hours": {
      "type": "number",
      "description": "operating-hour meter reading at the time of service — the preferred hour source",
      "x-demiton-requiredness": "optional",
      "x-demiton-unit": "hours",
      "x-demiton-type": "decimal"
    },
    "interval_basis": {
      "type": "string",
      "description": "why the next inspection/service is due — statutory interval, a competent person's examination scheme, or the manufacturer's recommendation",
      "x-demiton-requiredness": "optional"
    },
    "tenant_payload": {
      "type": "object",
      "description": "the tenant's own form questions and answers — servicing notes, faults found, parts, cost components, media/signature answers",
      "x-demiton-requiredness": "tenant-specific"
    },
    "inspection_class": {
      "type": "string",
      "description": "pre-operational / routine / major inspection or service",
      "x-demiton-requiredness": "optional"
    },
    "hour_meter_reading": {
      "type": "number",
      "description": "the second form family's hour/odometer reading at service",
      "x-demiton-requiredness": "optional",
      "x-demiton-unit": "hours (**unverified**)",
      "x-demiton-type": "decimal"
    }
  },
  "x-demiton-register-type": "maintenance_record",
  "x-demiton-contract-version": "2.1.1",
  "x-demiton-store": "tenant",
  "x-demiton-axes": [
    {
      "axis": "asset",
      "requirement": "required",
      "role": "subject"
    },
    {
      "axis": "project",
      "requirement": "optional",
      "role": "subject"
    }
  ],
  "x-demiton-measures": [
    {
      "key": "hour_meter_reading",
      "accumulation": "instantaneous",
      "dtype": "float",
      "unit": "hours"
    },
    {
      "key": "labour_hours",
      "accumulation": "additive",
      "dtype": "float",
      "unit": "hours"
    },
    {
      "key": "machine_hours",
      "accumulation": "instantaneous",
      "dtype": "float",
      "unit": "hours"
    },
    {
      "key": "service_cost",
      "accumulation": "additive",
      "dtype": "decimal",
      "unit": "AUD"
    },
    {
      "key": "unplanned",
      "accumulation": "additive",
      "dtype": "boolean",
      "unit": "dimensionless"
    }
  ],
  "x-demiton-provenance": {
    "standards": [
      {
        "code": "AS 2550.10",
        "title": "Cranes, hoists and winches - Safe use - Mobile elevating work platforms",
        "access": "paywalled_secondary",
        "region": "Australia",
        "edition": "2025",
        "checked_on": "2026-09-14"
      },
      {
        "code": "AS/NZS 1418.10",
        "title": "Cranes, hoists and winches - Mobile elevating work platforms (design and construction)",
        "access": "paywalled_secondary",
        "region": "Australia",
        "edition": "2025",
        "checked_on": "2026-09-14"
      },
      {
        "code": "GDA2020 / MGA2020",
        "title": "Geocentric Datum of Australia 2020 and Map Grid of Australia 2020 (EPSG:7844 / EPSG:78xx zones)",
        "access": "public_summary",
        "region": "Australia",
        "edition": "GDA2020 = ITRF2014 at epoch 2020.0",
        "checked_on": "2026-09-14"
      },
      {
        "code": "Model WHS Act",
        "title": "Model Work Health and Safety Act (Safe Work Australia)",
        "access": "full_text_verified",
        "clause": "s 38(7)",
        "region": "Australia",
        "edition": "model Bill 1 August 2023",
        "checked_on": "2026-09-14"
      },
      {
        "code": "Model WHS Regulations",
        "title": "Model Work Health and Safety Regulations (Safe Work Australia; given effect by each state/territory)",
        "access": "full_text_verified",
        "clause": "regs 224, 226, 235, 235(4), 237, 242(1A)",
        "region": "Australia",
        "edition": "as amended 5 December 2025",
        "checked_on": "2026-09-14"
      },
      {
        "code": "ISO 55001",
        "title": "Asset management - Asset management system - Requirements",
        "access": "paywalled_secondary",
        "clause": "8.1; 10.3",
        "region": "International",
        "edition": "2024 (AS ISO 55001:2024 identical AU adoption)",
        "checked_on": "2026-09-14"
      },
      {
        "code": "ISO/TS 15143-3",
        "title": "Earth-moving machinery and mobile road construction machinery - Worksite data exchange - Telematics data (AEMP 2.0)",
        "access": "paywalled_secondary",
        "region": "International",
        "edition": "2020 (SA TS ISO 15143.3:2021 AU and PD ISO/TS 15143-3:2020 UK identical adoptions)",
        "checked_on": "2026-09-14"
      },
      {
        "code": "Health and Safety at Work Act 2015 (NZ)",
        "title": "Health and Safety at Work Act 2015",
        "access": "full_text_verified",
        "clause": "s 25",
        "region": "New Zealand",
        "edition": "version as at 5 April 2025",
        "checked_on": "2026-09-14"
      },
      {
        "code": "LOLER 1998",
        "title": "Lifting Operations and Lifting Equipment Regulations 1998",
        "access": "public_summary",
        "clause": "Schedule 1",
        "region": "United Kingdom",
        "edition": "1998 (with HSE ACOP)",
        "checked_on": "2026-09-14"
      },
      {
        "code": "RIDDOR 2013 (SI 2013/1471)",
        "title": "Reporting of Injuries, Diseases and Dangerous Occurrences Regulations 2013",
        "access": "full_text_verified",
        "clause": "Sch 2 Part 1 item 1",
        "region": "United Kingdom",
        "edition": "2013",
        "checked_on": "2026-09-14"
      },
      {
        "code": "29 CFR 1904.39",
        "title": "OSHA - Reporting fatalities, hospitalizations, amputations and losses of an eye",
        "access": "full_text_verified",
        "region": "United States",
        "edition": "eCFR current",
        "checked_on": "2026-09-14"
      },
      {
        "code": "29 CFR 1910.179",
        "title": "OSHA - Overhead and gantry cranes",
        "access": "full_text_verified",
        "clause": "(j)",
        "region": "United States",
        "edition": "eCFR current (read 2026-09-01 point in time)",
        "checked_on": "2026-09-14"
      }
    ]
  },
  "description": "Plant service and maintenance records.",
  "x-demiton-contract-url": "https://docs.demiton.io/registers/maintenance_record/",
  "x-demiton-register-catalog": "https://docs.demiton.io/concepts/register-catalog"
}

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