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Scope Items - Balcony Rail & Handrail

Scope Items - Structural Steel

Field & QC Items

SCOPE ITEMS

BALCONY RAILS & HANDRAIL

 

  1. Slab block-outs must be round, not square.
  2. Clarify who owns layout and installation of block outs in slab. Preference is for railing subcontractor to provide shop drawing based on control line plan, formwork contractor to layout and install.
  3. Grout fill for posts must be cementitious non-shrink, non-gypsum based.  Grout needs to slope away from posts, crowned, to ensure no puddling of water.  Bituminous coating may be required where posts contact grout.  Verify with all manufacturers.
  4. Clarify who installs bead of caulk around posts.
  5. Powder coat is common paint finish on aluminum.  If near coastal environment or if budget allows, Kynar paint finish is preferred.
  6. Buy "Blue Max" protection on glass rails unless rails are sequenced to be installed late in construction when chance of damage is minimized.
  7. If balcony rails return to building, top of railing at outside edge may have to be higher than 42" due to slope of balcony.
  8. Rail height must be coordinated with floor finishes.  Clarify with Owner and Architect required height of rails.  44" rails will allow flexibility for future floor finishes.  Bottom member must be 2” above finished balcony.  Watch for ability to “step-up” on horizontal members, which could affect overall height of rail, or lead to re-design.  
  9. Coordinate how rails are to be hoisted up the building.
  10. Subcontractor shall field measure prior to installation for all division 5 items (e.g. hoist beam, separator beams, balcony railing, stair railing, beams, etc).
  11. Include end caps on all rails.
  12. Verify if horizontal member could be considered a “step” by the AHJ.  Involve Architect, Owner and AHJ if necessary prior to shop drawings.
  13. Ensure that subcontractor will provide engineering and/or testing documenting that all railings, stair railings, and other similar safeguards are designed to resist a load of 50 pounds per LF, or a concentrated load of 200 pounds applied in any direction at the top of such barriers at any location on the safeguard.  See current edition of FBC to verify requirements.
  14. Fencing / barriers around pools must be a minimum of 48” high above finished surface, watch for horizontal members that would require an increased overall height of the barrier (48” from the horizontal member that could be considered a “step”).  See the FBC for requirements.  Self-closing, self-latching lockable gate with latch located a minimum of 54” from the bottom of the gate, or at least below the top of the gate on the pool side.
    1. If card reader is used to control access to pool deck, it can be mounted at 48” AFF.

 

STRUCTURAL STEEL

 

  1. Are embeds required for metal trusses?  If so, require truss installer to verify layout and placement of embeds prior to pour and sign-off on Pour Card indicating he is in agreement with placement.
  2. Verify with Elevator Company the quantity, location, and elevation of separator beams, require shop drawing from metals subcontractor.  Lally columns may be required if separator beam is required in between floors.  Coordinate attachment to structure, concrete vs CMU (grout entire hoistway solid if CMU).
  3. Verify with Elevator Company if they are providing their own hoist beam.  Coordinate attachment to structure during shop drawing process

 

FIELD & QC ITEMS

 

  1. Coordinate block-out size with P.T. cables, rebar, and structural engineer.
  2. Verify type and size of anchor bolts.
  3. Verify grade of steel, do you need signed mill certs?
  4. Verify bolt embedment length and minimum concrete coverage.
  5. Verify railing height at landings and stairs, minimum 42”.
  6. Verify hand rail height, 34” to 38”.
  7. Verify clearance gap from floor to bottom rail, 2” max.
  8. Verify spacing between pickets and ends of post and rail to wall does not exceed 4”.