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Certificate II in Drainage

Credential lineage crd_b0dmmw1k · CPC20711 · qualification · evidence as at 2026-09-10 04:23 UTC

superseded

Lifecycle is derived, never stored as an opinion (D-086). The rule this value came from: “All memberships retrieved as Superseded, and at least one IS_SUCCESSOR_TO edge retrieved.”

Register codes held by this lineage

A code is a dated membership of this lineage, not its identity. Every fact below is an assertion on the membership, carrying the retrieval it came from.

CPC20711Certificate II in Drainagetraining.gov.au national code
register status
supersededNonEquivalentsource observed · tga_rest 2026-09-03 12:35 UTC
currency
2011-05-19 → 2013-02-05source observed · tga_rest 2026-09-03 12:35 UTC
usage recommendation
supersededsource observed · tga_rest 2026-09-03 12:35 UTC
release read
1source observed · tga_rest 2026-09-03 12:35 UTC
TGA record id
a6b4c4d7-deec-4754-ab79-c552b44c2443source observed · tga_rest 2026-09-03 12:35 UTC
authoritative source
warrant: tga_rest https://training.gov.au/api/training/CPC20711 · retrieved 2026-09-03 12:35 UTC · HTTP 200 · sha256 08fee06f49f1…
review: approved
admitted 2026-09-03 22:48 UTC
Every fact on this code, with its warrant
  • code_title = Certificate II in Drainage · AUTHORITATIVE_SOURCE · sv72 tga_rest 2026-09-03 12:35 UTC sha 08fee06f49f1
  • currency_from = 2011-05-19 · SOURCE_OBSERVED · sv75 tga_rest 2026-09-03 12:35 UTC sha 8c19ea1680ec
  • currency_to = 2013-02-05 · SOURCE_OBSERVED · sv75 tga_rest 2026-09-03 12:35 UTC sha 8c19ea1680ec
  • nrt_status = supersededNonEquivalent · SOURCE_OBSERVED · sv75 tga_rest 2026-09-03 12:35 UTC sha 8c19ea1680ec
  • release_number = 1 · SOURCE_OBSERVED · sv72 tga_rest 2026-09-03 12:35 UTC sha 08fee06f49f1
  • tga_record_id = a6b4c4d7-deec-4754-ab79-c552b44c2443 · SOURCE_OBSERVED · sv72 tga_rest 2026-09-03 12:35 UTC sha 08fee06f49f1
  • usage_recommendation = superseded · SOURCE_OBSERVED · sv72 tga_rest 2026-09-03 12:35 UTC sha 08fee06f49f1

Supersession

Lineage follows TGA's retrieved equivalence assertion (D-084): equivalent means the same entity under a new code, not equivalent means a separate entity with an edge between them. The equivalence below is TGA's, verbatim — not our inference.

This lineage supersedes
  • CPC20711 supersedes CPC20708 — TGA equivalence: not equivalent (2011-05-20)
    official relationship — Publisher-provided correspondence, hierarchy or succession — ABS ANZSCO↔OSCA correspondence, TGA supersession, TGA taxonomy occupations.
    warrant: tga_rest https://training.gov.au/api/training/CPC20711 · retrieved 2026-09-03 12:35 UTC · HTTP 200 · sha256 08fee06f49f1…
    review: pending · permitted uses: navigation
    limitations: Register supersession as published by TGA. Not a statement about equivalence of outcomes; see is_equivalent.
Superseded by
  • CPC20712 supersedes CPC20711 — TGA equivalence: not equivalent (2013-02-06)
    “Revised qualification deemed not equivalent to CPC20711 Qualification packaging amended  same number of core and elective units required, but: • CPCPCM2050A moved from core to elective • CPCPDR3021A moved from elective to core Change to core units: • native CPC08 first aid unit (CPCPCM2011A) replaced with imported HLT07 unit (HLTFA211A) Core and elective units revised resulting in a number of unit identifier changes”
    official relationship — Publisher-provided correspondence, hierarchy or succession — ABS ANZSCO↔OSCA correspondence, TGA supersession, TGA taxonomy occupations.
    warrant: tga_rest https://training.gov.au/api/training/CPC20712 · retrieved 2026-09-03 12:35 UTC · HTTP 200 · sha256 0caac2cd9102…
    review: pending · permitted uses: navigation
    limitations: Register supersession as published by TGA. Not a statement about equivalence of outcomes; see is_equivalent.

Which occupations does this qualification lead to?

1 occupation published by training.gov.au as an occupational outcome of this code. This is what the register says, not evidence of labour-market outcome.

Drainerosca_2024 363931

from CPC20711 · occupation entity occ_j0nzn8rb

Why this occupation is listed here
human asserted — Reviewed judgement or curator decision — an approved crosswalk row, an admitted pathway.
warrant: tga_rest https://training.gov.au/api/training/CPC20711/taxonomyoccupations · retrieved 2026-09-03 12:35 UTC · HTTP 200 · sha256 8ae652fd01de…
method: TGA taxonomyoccupations occupationId 665 (sv 73) → tga_occupation_crosswalk row 26 vv2 approved primary by Sammo at 2026-09-06T23:42:18.332Z → ANZSCO 2022 334113 → ABS correspondence → classification_membership 8 (part_code=false, part_entity=false) → occ_j0nzn8rb
review: pending · permitted uses: navigation
limitations: TGA publishes the occupation as an occupational outcome of the training product (D-070). Not evidence of labour-market outcome, licensing or employment. Reaches the OSCA entity through a human-approved crosswalk.
The reviewed correspondence this rests on
TGA occupation 665 Drainer → ANZSCO 2022 334113 Drainer
approved · primaryscore 1 · reviewed by Sammo, 2026-09-06 23:42 UTC · version v2
crosswalk-score v2: title dice=1 jaccard=1; description not scored (no ANZSCO 2022 descriptions held)

Identity

Created 2026-09-03 22:48 UTC from tga_rest https://training.gov.au/api/training/CPC20711

This identifier is permanent. Register codes are dated memberships of it; when a code is superseded the memberships change and the URI does not. Alias: /credential/tga/CPC20711.

Every fact on this lineage, with its warrant
  • lifecycle = superseded · DERIVED_DETERMINISTIC · sv308 vocascope 2026-09-03 22:48 UTC sha 68f551588d58 · lifecycle-d086@v2: statuses=["supersededNonEquivalent"] successor_edges_in=1
  • nrt_type = qualification · SOURCE_OBSERVED · sv72 tga_rest 2026-09-03 12:35 UTC sha 08fee06f49f1
  • title = Certificate II in Drainage · AUTHORITATIVE_SOURCE · sv72 tga_rest 2026-09-03 12:35 UTC sha 08fee06f49f1
Certificate II in Drainage — VocaScope