Midland Deck Building Requirements. THE CORPORATION OF THE TOWN OF MIDLAND
DECK PERMIT GUIDELINES
BUILDING DEPARTMENT
575 Dominion Avenue
Midland, Ontario L4R 1R2
Tel: 705-526-4275
Fax: 705-526-9971
www.town.midland.on.ca
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TABLE OF CONTENTS
THE DECK PERMIT
Application Process……………………………………………….. 3
Contractor’s Obligation…………………………………………… 3-4
SUBMISSION CHECKLIST FOR DECK PERMIT…………………………………… 5
CONSTRUCTION REQUIREMENTS
Deck Design Statement…………………………………………… 6
Requirements ……………………………………………………… 7
Beam Table ……………………………………………………….. 7
Floor Joist Span Table ……………………………………………. 7
Guards for Housing and Small Buildings
Extracts from the Ontario Building Code…………………………. 8
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THE DECK PERMIT
This booklet provides the homeowner and the contractor with information on obtaining a deck
permit in the Town of Midland. Questions should be referred to the Building Department.
? APPLICATION PROCESS
The first step in the process is to obtain the deck permit guidelines and application form
from the Building Department located at Town Hall, 575 Dominion Avenue. Work
completed prior to an application review may not meet Building Codes and may need to
be redone.
The details of the deck design should be prepared following the guidelines for plan
drawings and structural elements that are provided in this booklet.
Along with the completed application form, the following documentation is required:
• Survey or site plan, drawn to scale, illustrating existing buildings/structures and
the proposed location of the deck.
• Plan Drawings (two sets)
• Completed deck design statement (included with application)
Plans should include:
• Overall deck size
• Beam size and location
• Post size and location
• Floor joist size and spacing, as well as the direction the joists are spanning
• Location and width of stairs (if applicable)
• Height of deck at highest point
• Type of guard (railing) system being used
? CONTRACTOR’S OBLIGATION
Signed Authorization
If a contractor will be building the deck and is applying on behalf of the homeowner, a
signed authorization from the homeowner is required (included with application).
Building Code Identification Number (BCIN)
A Building Code Identification Number, or BCIN, is the unique identifying number
assigned to individuals who file their qualifications with the Ministry of Municipal
Affairs and Housing. As of January 1, 2006, most designers who prepare documents to
be submitted with permit applications, required under the Building Code Act, and who
are not licensed architects must:
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• Be registered with the Ministry of Municipal Affairs and Housing
• Possess provincial qualifications
• Provide information about their qualification and registration on the permit
application form and on all design documents.
Homeowners who are preparing their own drawings for submission and take
responsibility for the design activities of the project are not required to have a BCIN
Number.
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SUBMISSION CHECKLIST FOR DECK PERMIT
The complete application should include the following:
? Completed and signed Building Permit application
? Completed and signed Deck Design Statement
? Survey plan/site plan, drawn to scale illustrating existing buildings/structures and the
proposed location of the deck
? Two sets of plan drawings
? Signed authorization from homeowner (if applicable)
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THE DECK DESIGN STATEMENT
Please ensure that the attached Deck Design Statement is
completed in conjunction with the Building Permit
Application.
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CONSTRUCTION REQUIREMENTS FOR DECKS
• Circular concrete piers to be a minimum of 10 inches in diameter and extend a minimum
of 48 inches below finished grade.
• Piers shall be placed on footing pads or be tapered out at the bottom by 50% to provide
proper bearing and to resist uplift.
• Footings or piers shall bear on undisturbed soil with a minimum bearing capacity of 1500
PSF.
• Size of piers may increase due to soil conditions or spacing.
• Support posts for beams to be a minimum 6 inches x 6 inches for all elevations over 5
feet, 11 inches.
• Anchorage to building with minimum ½ inch diameter bolts spaced not more than 16
inches apart. Deck is not permitted to be supported on brick veneer.
• Beam to post and post to base connections shall be securely fastened to resist uplift and
lateral movement.
• Beam sizes and floor joist sizes to be determined from span tables below. (Note:
minimum permitted joist size is 2 inches x 8 inches.)
• Guard height of 35 inches if top of deck exceeds 24 inches above grade or 42 inches if
top of deck exceeds 5 feet, 11 inches. Guards shall be non-climbable and vertical
balusters shall be spaced no more than 4 inches apart. Provide handrails on stairs if there
are more than 3 risers. Wood guard posts to be a minimum 4 inches x 4 inches (solid).
• Deck blocks can only be used where the deck is not attached to the house, the deck is less
than 55m2 (592 ft2) and the distance from the finished ground to the under side of the
floor joists is not more than 600 mm (23 5/8?).
NOTE: All deck guards shall meet the requirements of the Ontario Building Code SB-7
Supplementary Guidelines or be designed by Part 4 of the Ontario Building Code
(Engineered Drawings).
BEAM TABLE FLOOR JOIST SPAN TABLE
DEPTH OF
LINTELS
MAXIMUM
ALLOWABLE
SPANS
JOIST SIZE
SPACING
SPAN
2 – 2? x 8? 5?- 5? 2? x 8? 12? o/c 11? – 7?
2 – 2? x 10? 6? – 8? 16? o/c 11? – 0?
2 – 2? x 12? 7? – 8? 2? x 10? 12? o/c 13? – 8?
3 – 2? x 8? 7? – 3? 16? o/c 13?- 0?
3 – 2? x 10? 8? 2? x 12? 12? o/c 15? – 7?
3 – 2? x 12? 10? – 3? 16? o/c 14?- 10?
These tables have been provided for your convenience. All plans to be reviewed by the local
Building Department prior to construction.
General Notes:
1. Site plan or survey is required showing all lot lines, dimensions, size and location of all
existing buildings, proposed location and size of deck.
2. All lumber used must be stamped and graded No. 2 or better quality.
3. Maximum cantilever (overhang) for 2? x 8? joists is 16? and for 2?x 10? joists is 24?.
4. 5/4? decking material is only permitted when supported by joists on 16? centers.
***The above information has been compiled from the Ontario Building Code and applicable laws***
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Guards for Housing and Small Buildings
Supplementary Standard SB-7
Extracted from the Ontario Building Code
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CANTILEVERED PICKET GUARDRAIL
4?x 4? support post at Continuous 2?x 6? guard
junction between stair and deck.
Two 3? #7 screws at each picket
4?-0? on centre max.
Handrail construction to match
cantilevered picket rail construction. 4?maximum opening
2 ½”corrosion resistant spiral
nails or screws typical.
3 rows of 3?nails at 12? on
centre.
Dropped framing member into
which each stringer is end nailed
using 3? nails maximum. 2?-11? between stringers.
2 – 3/8? diameter thru bolts with
1 ¼? outside diameter washers.
2? x 4?wood blocking at 4?-0? on centre
minimum between stringers.
Stringers anchored to precast concrete.
Cantilevered Picket Notes:
1. Provide a minimum of 10 pickets beyond the return if end restraint of the guard is provided by this return detail
only. Otherwise, a post is required (see post anchoring above).
2. Pre-drill pilot holes in pickets to avoid splitting.
Typical Stair Construction Notes:
1. Provide a handrail 35? to 38?high on stairs if more than three risers. Provide a guard on both sides of stair where
stair exceeds 6 risers.
2. All steps to be equal rise and run between landings.
Minimum rise = 4 7/8? vertically Maximum rise = 7 7/8? vertically
Minimum tread = 9 ¼” horizontally Maximum tread = 14? horizontally