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Bar Bending Schedule Verification Checklist

Essential Checklist+

Complete these critical checks before approving the work or proceeding to the next construction stage.

✓16 Inspection Points
✓5 Verification Categories
✓Bar Marking & Drawing Cross-Check+
  • Every bar mark in the schedule matches a bar mark shown on the approved structural drawing — no bar mark invented or omitted.
  • Bar diameter, shape, and dimensions for each mark are taken directly from the drawing, not estimated or assumed.
  • Steel grade (e.g. Fe415, Fe500, Fe550) recorded for each bar mark matches the drawing — mixing grades in one schedule changes both the weight and the assumed yield strength.
  • The schedule is built from the latest approved drawing revision; a superseded revision number is not still in circulation at the fabrication yard.
✓Shape & Bend Deduction Verification+
  • Bend deduction values used (per 45°/90°/135° bend) match the applicable structural code or project specification, not assumed defaults.
  • Hook length factor is confirmed against the drawing's hook detail (90° vs 135°) before finalizing cutting lengths.
  • Deduction is applied exactly once per bend on a multi-bend shape — not doubled at a corner, and not skipped on any bend along the bar.
  • Circular ring/stirrup diameter is worked out from the concrete cover reduced from the column or beam's outer dimension, not from the gross section size.
✓Lap & Splice Verification+
  • Bar marks longer than one available stock length have the correct number of lap splices accounted for, not just a single lap allowance.
  • Lap length (multiple of bar diameter) matches the applicable code requirement for the bar diameter and concrete grade involved.
  • Lap length used accounts for whether the splice sits in a tension or compression zone, since the two commonly require different multiples of bar diameter.
  • No splice is placed inside a zone the drawing specifically prohibits (e.g. mid-span hogging zone, or a marked no-splice region near a support).
✓Cutting & Fabrication+
  • Cutting lengths are communicated to the fabrication yard or site bar-bender exactly as calculated, with no manual re-rounding that could shift bend positions.
✓Placement & Final Check+
  • Placed bar spacing, cover, and lap positions are checked against the drawing before concrete pour.
  • Bar chairs and spacers are placed at the correct spacing to hold both top and bottom cover through the pour, not just at initial tying.
  • Any on-site substitution of bar diameter or count (due to non-availability) is approved by the structural engineer and documented before the pour, not decided informally by the bar-bending crew.
Full QC Checklist+

Verify bar marks against drawing, bend/hook deductions, lap splices, fabrication, and placement.

✓30 Inspection Points
✓5 Verification Categories
✓Bar Marking & Drawing Cross-Check+
  • Every bar mark in the schedule matches a bar mark shown on the approved structural drawing — no bar mark invented or omitted.
  • Bar diameter, shape, and dimensions for each mark are taken directly from the drawing, not estimated or assumed.
  • Bar mark quantities (bars per member × number of members) match the drawing's bar spacing and member count.
  • Steel grade (e.g. Fe415, Fe500, Fe550) recorded for each bar mark matches the drawing — mixing grades in one schedule changes both the weight and the assumed yield strength.
  • The schedule is built from the latest approved drawing revision; a superseded revision number is not still in circulation at the fabrication yard.
  • Each bar mark is labeled with its structural element (footing, column, beam, or slab) and pour/zone, so schedules for different pours aren't mixed together.
✓Shape & Bend Deduction Verification+
  • Bend deduction values used (per 45°/90°/135° bend) match the applicable structural code or project specification, not assumed defaults.
  • Hook length factor is confirmed against the drawing's hook detail (90° vs 135°) before finalizing cutting lengths.
  • Complex or irregular shapes not covered by the five standard shapes are calculated separately and added to the schedule manually.
  • Deduction is applied exactly once per bend on a multi-bend shape — not doubled at a corner, and not skipped on any bend along the bar.
  • Bar diameter used in the deduction/hook formula matches the actual diameter being cut, not a rounded or substituted diameter from a different bar mark.
  • Circular ring/stirrup diameter is worked out from the concrete cover reduced from the column or beam's outer dimension, not from the gross section size.
✓Lap & Splice Verification+
  • Bar marks longer than one available stock length have the correct number of lap splices accounted for, not just a single lap allowance.
  • Lap length (multiple of bar diameter) matches the applicable code requirement for the bar diameter and concrete grade involved.
  • Lap locations are staggered per the structural drawing rather than all splices falling at the same cross-section.
  • Lap length used accounts for whether the splice sits in a tension or compression zone, since the two commonly require different multiples of bar diameter.
  • Mechanical couplers, where specified as an alternative to lapping for large-diameter bars, are used exactly where the drawing calls for them rather than substituted with an ordinary lap.
  • No splice is placed inside a zone the drawing specifically prohibits (e.g. mid-span hogging zone, or a marked no-splice region near a support).
✓Cutting & Fabrication+
  • Cutting lengths are communicated to the fabrication yard or site bar-bender exactly as calculated, with no manual re-rounding that could shift bend positions.
  • Bending machine or manual bending equipment is set to the correct bend angles and hook dimensions for each bar mark.
  • A sample bar of each new shape is checked against the drawing dimensions before the full batch is cut.
  • Bar tagging at the fabrication yard uses the same bar-mark system as the schedule, so bundles aren't mixed up in transport to site.
  • Cut ends are free of burrs, cracking, or crushing that could reduce the effective cross-section at a splice or anchorage location.
  • Offcut length from each stock bar is tracked and reused where the remaining piece is long enough for a smaller bar mark, rather than assumed as zero wastage in the reconciliation.
✓Placement & Final Check+
  • Fabricated bars are tagged or sorted by bar mark to avoid mix-ups on site during placement.
  • Placed bar spacing, cover, and lap positions are checked against the drawing before concrete pour.
  • Total fabricated weight is reconciled against the schedule's calculated total before accepting the delivery as complete.
  • Bar chairs and spacers are placed at the correct spacing to hold both top and bottom cover through the pour, not just at initial tying.
  • Any on-site substitution of bar diameter or count (due to non-availability) is approved by the structural engineer and documented before the pour, not decided informally by the bar-bending crew.
  • Completed reinforcement is inspected and signed off by the site engineer, with a photographic record kept, before formwork is closed and concrete is poured.
Inspection Notes+
Use the latest approved drawings, specifications, and site measurements.
Complete all critical checks before proceeding to the next work stage.
Record deviations and confirm rectification where required.

Related Calculators & Guides

Bar Bending Schedule CalculatorOpen the related calculator and verify the current project inputs.

FAQ

Use it after collecting the project inputs and again before approving or closing the relevant work stage.
No. It supports verification but does not replace approved drawings, specifications, codes, manufacturer requirements, or professional inspection.