Chicago Safety Standards

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Chicago New Back Porch Code and Specs. for Required Material.


All codes and specs. are dutifully and diligently followed by

Premier Builders.

  1. Bullet  2” x 10” ledger attached to structure with either 5/8 Lag bolts for Wood Structures or  5/8 Anchor bolts required for Brick Structures.

  2. Bullet One Fastener is required for every joist cavity.

  3. Bullet 2” x 10” Joist with Hangers required.

  4. Bullet 2” x 12” stair stringers required. (with 3 stringers on every run)

  5. Bullet a 3’ x 3’ landing is required if stair run exceeds 10 steps.

  6. Bullet 2” x 12” stair Treads are required.

  7. Bullet 1” x 8” risers required.

  8. Bullet 2” x 12” Double Headers with Carriage Bolts through Header and Headers    supported by 5” x 7” Angle Brackets with 2 - 1 “ bolts.

  9. Bullet Angle Bracket at each Rail End required

  10. Bullet Railings are 42” high and placed 2 inches above decking to prevent entrapment.

  11. Bullet 2” x 4” or 2” x 6” Railing systems

  12. Bullet 4” x 4” placed in Rail line if span is greater than 6 feet.

  13. Bullet 5/4 decking material required

  14. Bullet 6” x 6” columns in base plate on a 12” by 42” deep concrete pier required

  15. Bullet 5 carriage bolts where 6” x 6” columns splice to make a connection.

  16. Bullet NO MENARDS or HOME DEPOT lumber. It is not Kiln Dried. It twists, warps, and cracks.

  17. Bullet All Lumber is Kiln Dried Select Pressure Treated Pine.

  18. Bullet All Fasteners are galvanized steel.

  19. Bullet All Brackets are Simpson brand, which is Required by city.

  20. Bullet All Rails Treads Spindles and Decking are screwed in with coated deck screws.

7740 N. Austin Ave.

Skokie 60077 Unit B

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847-293-4980