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HAMBRO® JOISTS/GIRDERS - Pre-pouring verification

  • This checklist is provided as a reference tool only to help with installation oh the Hambro® System. Construction drawings (E1J, E2J, etc) ED-D500. CC-D500 and installation manual remain the principal documentation for your project and installation of the Hambro® system should always be done according to those respected documents.

1. Orientation of joists/girders

  • Tag side on the joists/girders should be located on the same side of the bay than on the Hambro® layout drawing.

2. Joists spacing

  • Spacing should be identical to the Hambro® layout drawing. Particular attention should be taken for joists parallel to an edge of slab/cantilever.

  • If impossible to re-create identical spacing due to site conditions, report any discrepancies for engineering review.

3. Eccentricity of Hambro® joist/girder shoes

  • Portion of the joist/girder shoe not bearing completely on the bearing element ( should never be greater than 1/2"/ shoe)

  • Hambro® girder shoe full bearing in both directions, unless noted otherwise on layout drawing.

4. Rollbars (RB)

  • Rollbars vertically locked in place?

  • Note: Watch for handles and brackets of the first rollbars near a bearing element. Make sure they are facing the correct direction for easier stripping after the pour.

5. Shoe & FH/MH fastening

  • All shoes, including girder shoes and FH/MH should be securely fastened to bearing element as per Hambro® IFC drawings.

  • Note: Hambro® joists bearing on concrete/masonry wall do not require to be fastened, unless noted on the Hambro® IFC drawing

6. Header beams

  • Location of header beam as per Hambro® IFC drawing.

  • Header beam is welded/bolted in place, as per Hambro® IFC drawing.

7. Joists elevation

  • All joists leveled, as per requested elevation on Hambro® IFC drawing.

8. Joists rotation/sweep

  • Joists perfectly vertical before pour?

  • Acceptable Sweep of 1/20'-0"

9. Damaged Hambro® joists

  • All damages to the Hambro® joist/girder, of any nature, should be documented and reported

  • Pictures of damages

  • Joist mark(s) and description of damages

10. Temporary bridging

  • Temporary bridging installed as per Hambro® drawing ED-D500

  • Hambro® joists close to edge of slab are laterally supported

11. Plumbing sleeves/wood block-outs

  • Clearance of plumbing sleeves and wood block- outs minimum 6" clear from the center of the Hambro® joists.

  • Note: if the clearance is non-compliant, report immediately this situation for engineering review. Reinforcement may be required.

12. Slab thickness

  • Thickness as per Hambro® IFC drawings?

  • Has a drill inspection been performed?

13. Plywood, wire mesh, rebar etc.

  • Size of wire mesh and quantity of layers, as per Hambro® drawings.

  • Overlap of wire mesh.

  • Wire mesh ties properly at overlap.

  • All additional reinforcing steel (rebar) in place.

  • General aspect of plywood

  • Structural steel connections ( bolts, weld, etc.)

Additional comments

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