Residential Deck Drawings - Exterior deck/porch construction requirements - step-by-step forms

Oct 23, 2026

Residential deck drawings specifying exterior deck/porch construction requirements, including materials, structural grading, guard and handrail rules, load and deflection criteria, and detailed footing and framing constraints. The content provides step-based selection tables for joists, beams, spans, spacing, and connection options, plus stair illumination and stair/landing dimensional guidance. It also includes property owner, designer, and contractor fields and sheet-by-sheet plan notes that require matching approved plans and engineering change approvals for field deviations.

LanguageEnglish

CategoryHealthcare

FormatPDF

Pages4

Reading Time10 min

AccessFree to download

Framing and foundation requirements

Deck/porch construction checklist

Framing/footing selection table

Beam-to-post connection and post sizing

Connection options

Post cap and connector options

Property and sheet information

Application and sheet numbers

| Residenti aGnelsDrawings
1. All lumber shall be pressure treated for exterior use. All metal fasteners & hangers shall be G185 galvanized, stainless steel or otherwise compatible with the wood treatment. All bolts shall be 1/2" diameter, minimum.
2. All beams, joists, posts and decking shall be No. 2 Southern Pine, or better.
3. All beam splices and top rails shall occur at a post or otherwise on adequate bearing.
4. All footings shall be cast-in-place concrete with a min.
2500 psi compressive strength.
5. Guards are required at all areas where the deck/porch floor is greater than 30" above grade at any point.
6. Required guards shall be 36" tall (min.) and be constructed such that a 4" diameter object will not pass through.
7. Guard post spacing shall not exceed 6 ft. on center.
8. Required guards & handrails at stairs shall range from 34"to 38" vertically above the stair nosings.
9. Handrail ends, at the top and bottom, shall terminate into a post or be returned to a wall.
10. On stairs with closed risers, treads shall have a projected nosing ranging from 3/4" to 1-1/4". All treads and risers shall be equal.
11. The deck/porch floor shall be within 8-1/4" of the top of the door threshold.
12. Live Load Deflection: Joists & Beams-L/360 Guards-L/240
13. Design Loads: Floor Live Load-40 lbs./sf (min.)
Wind Speed-90 mph
Soil Bearing Pressure-3000 lbs./sf
14. Guards shall be designed for a 200 lb. concentrated load placed along the top rail in any direction, at any point.
15. This deck/porch is not designed for hot-tub or spa loading.
16. All exterior stairs & associated landings shall be illuminated.
17. Post size is based on the height of the deck floor above finished grade (at the highest point):
0' to 8' high: 4x4, 4x6, 6x6
8' to 10' high: 4x6, 6x6
10' and up: 6x6 (required for multi-level decks too)
18. All separated beams shall receive full depth solid blocking at 24" on center, maximum spacing.
19. The actual field construction shall match the approved plans. All field changes and/or deviations require an Engineering Change approval.
Framing/Footing Table
[1] Choose one floor joist size with the associated span,[2] Choose one floor beam size. Entire row applies.
a Floor Joists b Floor Beams Footing Size 1/2" Ledger
Board Bolts Choose
Joist
Size Lumber
Size Max.
Span [A] Choose
One
Row Lumber
Size Max.
Span [B] Single-Span Floor Joists Multi-Span Floor Joists min. dia. [C] min. thick [D] min. dia. [C] min. thick [D] Spacing (nominal) (feet) (nominal) (feet) (inches) (inches) (inches) (inches) (inches) [ ] 2 x 6 8 [ ] (2) 2 x 6 5 12 6 15 8 24 [ ] (2) 2 x 8 7 13 7 19 10 24 [ ] (2) 2 x 10 9 15 8 23 12 24 [ ] (2) 2 x 12 11 17 9 24 12 24 [ ] 2 x 8 10 [ ] (2) 2 x 8 7 14 7 20 10 16 [ ] (2) 2 x 10 9 17 9 24 12 16 [ ] (2) 2 x 12 10 18 9 25 13 16 [ ] 2 x 10 13 [ ] (2) 2 x 10 8 17 9 24 12 16 [ ] (2) 2 x 12 9 18 9 26 13 16 [ ] 2 x 12 16 [ ] (2) 2 x 12 8 20 10 28 14 12 a. Choose one joist size and cooresponding maximum span. All joists are spaced a maximum of 16" oc.
b. Choose one floor beam (entire row) that cooresponds with the size of joist chosen.
Beam to Post Connection Options
[3] Choose one beam to post connection option. [4] Choose one post size based on the height of the deck.

(see note 18)
Min. 3/4" notch Min. 1-1/2"
[ ] each side. [ ] notch in post.
[ ] 4x4 posts (up to 8 ') [ ] 4x4 posts (up to 8 ')
[ ] 4x6 posts (up to 10') [ ] 4x6 posts (up to 10')[ ] 6x6 posts req'd over 10') [ ] 6x6 posts req'd over 10')

[ ]
[ ] 4x4
[ ] 4x6
[ ] 6x6
2x each side
posts (up to 8 ')
posts (up to 10')
posts req'd over 10')

Post cap [ ] connector [ ] 4x4 posts (up to 8 ')
[ ] 4x6 posts (up to 10')[ ] 6x6 posts req'd over 10') | | | | | --- | --- | --- | --- | | Property Owner:
Name: Address:

Phone: | Designer:
Name:

FAQs

What lumber and fastener requirements apply for the deck exterior framing?

Exterior lumber must be pressure treated. Metal fasteners and hangers must be G185 galvanized, stainless steel, or compatible with the wood treatment, and bolts must be at least 1/2" diameter.

What are the guard and handrail requirements for deck heights?

Guards are required where the deck/porch floor is more than 30" above grade at any point. Required guards must be at least 36" tall and constructed so a 4" diameter object will not pass through, with guard post spacing not exceeding 6 ft on center.

What loads and deflection criteria are specified for the deck design?

Live load deflection criteria are given as Joists/Beams L/360 and Guards L/240. Floor live load is 40 lbs./sf minimum, with wind speed 90 mph and soil bearing pressure 3000 lbs./sf stated as design loads.

Oct 23, 2026

Uploaded by miaandmiso