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IDIX · ImplementationPublished

Interior Design Implementation

The Interior Design Implementation Exam covers design development and construction documentation. Prepare to apply codes and life-safety requirements, integrate building systems and FF&E, develop construction documents, coordinate consultant drawings, and organize specifications and schedules.

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Content areas and weightings follow the CIDQ Interior Design Implementation Exam blueprint effective 2026 and forward. Confirm the current blueprint on cidq.org before you sit the examination. View the official CIDQ blueprint (PDF)

  • Codes and Life Safety — 16% of the examination
  • Integration and FF&E — 19%
  • Construction Documents — 32%
  • Consultant Drawing Coordination — 18%
  • Construction Specifications and Schedules — 15%

Interior Prep Studio is an independent study provider. It is not affiliated with, endorsed by, or licensed by CIDQ. Content areas and weightings are published by CIDQ and may be revised; always confirm the current blueprint before you sit the examination.

Interior Prep Studio material is authored and reviewed by K. Smith, licensed engineer, and E. Smith, licensed architect. Authors and reviewers

Free IDIX sample questions · no account or payment required. A public IDIX lesson is not approved yet; the IDFX sample lesson is available.

100 published lessons7 modules across 6 content areas.
9 full-length timed exams1100 practice questions and 1170 timed-exam questions — 2270 study questions in total.
Study Readiness by content areaStudy Readiness by content area, updated as you practise.

How published lessons map to the blueprint.

Each content area below shows its blueprint weighting alongside the lessons that are published and available to study today. Lessons still in draft or under subject-matter review are not listed.

Codes and Life Safety

16%

14 published lessons

  • Code basis and the review checklist
  • Occupancy classification and mixed functions
  • Occupant loads and rounding
  • Read the complete means-of-egress path
  • Egress capacity and clear dimensions
  • Travel distance, common paths, and dead ends
  • Fire-rated assemblies and continuity
  • Penetrations, joints, and opening protection
  • Fire protection and alarm coordination
  • Accessible routes and door approaches
  • Toilet-room layouts and accessory coordination
  • Plumbing-fixture counts and population allocation
  • Interior finish tests and material evidence
  • Life-safety documentation and permit coordination

Integration and FF&E

19%

17 published lessons

  • Build a systems-integration matrix
  • Acoustic absorption, isolation, and flanking
  • Lighting performance and control intent
  • Mechanical coordination and service access
  • Plumbing and appliance rough-ins
  • Electrical loads and equipment interfaces
  • Low-voltage, audiovisual, and automation systems
  • Integrate life-safety devices with interiors
  • Supports, vibration, and transport interfaces
  • Finish plans, patterns, and legends
  • Flooring transitions and buildup
  • Wall finishes and substrate compatibility
  • Finish installation, maintenance, and mockups
  • Furniture fit and usable clearances
  • Furniture power and data coordination
  • Textiles, upholstery, and furniture verification
  • Quantity takeoffs and specification completeness

Construction Documents

32%

26 published lessons

  • Organize a usable construction-document set
  • Read symbols, references, and drawing direction
  • Use scales without inventing dimensions
  • Dimension from datums and finished surfaces
  • Document demolition scope and retained work
  • Show phasing and temporary conditions
  • Translate wall types into complete assemblies
  • Detail continuity for fire and acoustic performance
  • Coordinate wet-area substrates and water control
  • Accommodate movement at partition heads
  • Locate openings and coordinate rough dimensions
  • Develop enlarged toilet-room plans
  • Communicate interior elevations clearly
  • Coordinate mounting heights and reachable controls
  • Detail millwork construction and serviceability
  • Resolve countertop and work-surface interfaces
  • Coordinate door details with hardware and frames
  • Detail interior glazing and its supports
  • Detail floor transitions from the full buildup
  • Resolve ceiling transitions and perimeter details
  • Lay out a reflected ceiling plan
  • Document lighting quantities and control zones
  • Check the plenum in three dimensions
  • Choose sections that resolve the real question
  • Manage tolerances and field-fit conditions
  • Run a coordinated drawing quality review

Consultant Drawing Coordination

18%

15 published lessons

  • Assign coordination responsibilities and deliverables
  • Align consultant backgrounds and coordinate systems
  • Control revisions across disciplines
  • Classify and resolve coordination conflicts
  • Coordinate mechanical systems with ceilings and access
  • Coordinate electrical connections and working space
  • Coordinate plumbing connections and wet walls
  • Coordinate structural supports and penetrations
  • Coordinate lighting design across drawings
  • Coordinate fire-protection devices with interior work
  • Coordinate audiovisual and data systems
  • Coordinate security and controlled openings
  • Coordinate power and services within millwork
  • Distinguish sign types and accessible information
  • Build a consistent wayfinding sequence

Construction Specifications and Schedules

15%

16 published lessons

  • Explain what specifications add to drawings
  • Organize work results with MasterFormat
  • Use the three-part specification structure
  • Distinguish specification approaches
  • Define a basis of design and evaluate alternatives
  • Specify substrates, concrete, and preparation
  • Specify metals, supports, and exposed finishes
  • Specify wood, plastics, composites, and casework
  • Specify openings, glazing, and window coverings
  • Specify finishes and equipment by verified requirements
  • Define samples, mockups, and acceptance criteria
  • Coordinate door and hardware schedules
  • Coordinate room and finish schedules
  • Coordinate furniture and equipment schedules
  • Coordinate plumbing fixtures and accessories
  • Audit schedule data and specification references

Course orientation and preparation

—%

12 published lessons

  • Welcome to implementation thinking
  • Understand the IDIX structure
  • Navigate exhibits without getting lost
  • Use code references with edition discipline
  • Build an implementation study plan
  • Answer each interaction type accurately
  • Review errors and challenge questionable content
  • Use the tutor without surrendering judgment
  • Work an integrated project dossier
  • Rehearse timing, navigation, and breaks
  • Repair weak areas using evidence, not optimism
  • Prepare for exam day and maintain ethical practice

Weightings shown are the content-area weightings published in the current CIDQ blueprint for this examination. All study content is written in-house and is released only after the owner records a content confirmation. Anything not yet confirmed stays unpublished.

Study Readiness is an internal study-planning metric calculated from your activity and practice accuracy on this platform. It is not a CIDQ score, not a validated pass probability, and not a prediction of your exam result.

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Interior Prep Studio material is authored and reviewed by K. Smith, licensed engineer, and E. Smith, licensed architect. Authors and reviewers

Free IDIX sample questions · no account or payment required. A public IDIX lesson is not approved yet; the IDFX sample lesson is available.