KimDeck1.pdf4 OF EDAf
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Est. 1890
DATE: June 12, 2008
City of Edmonds
PLAN REVIEW COMMENTS
BUILDING DIVISION
TO: David Kim
7414 18151 Place SW
Edmonds, WA 98026
(425) 771-0220
FROM: Ann Bullis, Assistant Building Official
RE: Plan Check: BLD2008-0033
Project: Kim Deck
Project Address: 7414 181"Place SW
During review of the plans for the above noted project, it was found that the following information,
clarifications or changes are needed. Please provide written responses to each comment as to how it
has been addressed, and where changes can be found on the plans. Please submit revised
plans/documents to Marie Harrison, Senior Permit Coordinator.
The proposed deck is non -conventional construction beyond the scope of the International
Residential Code. Provide structural calculations (including lateral) and details stamped and signed
by a State Licensed Professional Engineer to support this design or redesign the deck to meet
conventional construction provisions.
1. Change scale of Sheet B to 1/8" = 1 foot.
2. Joists are overspanned. 2x10 HF#2 joists at 24" o.c. can span a maximum of 12'-5", and 15'-2"
at 16" o.c. A redesign is required.
3. The detail of the deck ledger attachment to the house rim joist needs revising as follows:
a. Size of deck joists and ledger does not match proposed framing plan.
b. Note joist hanger type/size
c. The attachment of the deck ledger to the house rim joist is non -conventional for this
deck design given the length of the joists. Provide a structural calculation stamped
and signed by a State licensed Professional Engineer.
d. There appears to be no existing rim joist, only blocking between joists, at the sides of
the house. Provide a detail showing connection of the ledger at these locations.
e. Show flashing extending up under siding and downward over ledger with drip edge
at bottom so water does not run back toward exterior wall of the house.
4. Given the length of the joists and size of the deck, bracing will be required. Provide details
stamped and signed by a State licensed Professional Engineer.
5. Specify the decking material (type and size)
6. The deck beams are overspanned. Provide beam calculations, stamped and signed by a State
licensed Professional Engineer.
7. On the plan view, show location of the footings supporting the side decks.
8. On the plan view specify beams and posts supporting the floor joists at the corners of the house.
Provide beam calculation stamped by engineer as noted above.
9. Specify size of joists at the side decks.
10. Note the size and spacing of the stair stringers.
11. Show how bottom of stair will be anchored to the concrete landing.
12. Stair riser opening (opening between treads) cannot exceed 4". Clarify stair detail.
13. Stair handrail must extend the complete length of the stairway. Revise west and east elevations.
14. Dimension the height of the stair handrail. It must be 34" minimum to 38" maximum above the
tread nosing, with a grippable handrail. Typically manufactured systems do not include a
grippable handrail that meets code requirements.
15. The dimension of the opening from the deck surface to the bottom of the guardrail cannot
exceed 4".
16. Provide manufacturer's installation instructions and loading information for the glass panel
guardrail. See below for guardrail load requirements.
Guardrails and handrails (General information from IRC Table R301.5):
• 200 psf single concentrated load applied in any direction to top rail.
• 50 psf horizontally applied load for infill components
• Glazing used in guardrails must be designed with a safety factor of 4.
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