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ICC Reinforced Concrete SI study materials
ICC Reinforced Concrete SI study resources

ICC Reinforced Concrete SI: Code Compliance and Plan Reading

ICC Reinforced Concrete SI · Work through your exam, one topic at a time.

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Code Compliance and Plan Reading

Code Compliance and Plan Reading

This domain tests whether you can locate the governing requirement and prove compliance with documents: reading placing drawings and schedules, checking submittals, and producing records a building official can rely on.

Hierarchy of requirements

  • Building code (IBC Chapter 17 for special inspections and the statement of special inspections) governs, then project specifications (often ACI 301), then approved drawings, then standard notes.
  • The current approved revision is the only one you inspect against; superseded sheets must be marked and removed from the field.

Reading concrete drawings

  • Bar marks tie placing drawings to the bar list and bend details; verify mark, size and quantity against the schedule.
  • Check top versus bottom bar orientation on sections, hook direction, splice locations and cover notes.
  • Slab and beam schedules give thickness, bar size and spacing each way; general notes cover cover, laps and splice class.

Worked example

A 6.0 m × 4.0 m slab panel has No. 13 at 200 mm each way, bottom, with 20 mm cover. Bars running the long direction are spaced across the 4.0 m width: 4.0/0.2 = 20 spaces, so 21 bars, each 6.0 − 2(0.020) = 5.96 m long. Bars in the short direction: 6.0/0.2 = 30 spaces, so 31 bars, each 3.96 m long. Total 52 bars. Counting spaces instead of bars undercounts every panel.

Records and nonconformance

  • Daily reports: location, time, weather, mix ID, quantity, tests, deviations and photographs.
  • Nonconformances are written, numbered, tracked to closure and reported to the building official; the final special inspection report summarizes compliance and unresolved items.
  • Never accept a field change on a verbal instruction; require an approved revised drawing or a written RFI response.

Traps

  • Inspecting from a superseded sheet.
  • Forgetting the each-way reinforcement or the half-spacing edge convention.
  • Treating drawing dimensions as exact rather than toleranced.
  • Closing a nonconformance without a documented disposition.