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Values this chapter turns on

to issue or refuse a permit for a house
10 days
to issue or refuse a permit for a house
to inspect after most prescribed notices
2 days
to inspect after most prescribed notices
maximum area of a permit-exempt storage shed
15 m²
maximum area of a permit-exempt storage shed
tent area above which an engineer designs framing
225 m²
tent area above which an engineer designs framing

Division C Part 1 turns the Act's permit and inspection framework into working rules: which designs need an architect or engineer, when general review is required, permit exemptions, who applies, decision deadlines, change of use, conditional permits, site documents, occupancy before completion, notices and inspection times. This is the largest section of the exam.

Excluded: 1.3.1.6. (information to Tarion), 1.9. (fees) and 1.10. (sewage system maintenance inspection programs). Part 1 applies to all buildings covered by the Code and is administered in conformance with the Act (OBC Div. C 1.1.1.1. and 1.1.1.2.OBC Div. C 1.1.1.2. Conformance with Administrative Requirements(1) This Code shall be administered in conformance with the Act.).

Design by an architect or professional engineer (1.2.1.)

The Architects Act and Professional Engineers Act decide most of this. Division C 1.2.1.2. adds specific items (OBC Div. C 1.2.1.2.OBC Div. C 1.2.1.2. Design by Architect or Professional Engineer(1) A foundation of a building shall be designed by a professional engineer where, (a) the foundation is to be constructed below the level of the footings of an adjacent building and within the angle of repose of the soil, as drawn from the bottom of the footings, or (b) underpinning of a foundation is to be…):

Item Must be designed by
Foundation below the footings of an adjacent building and within the angle of repose of the soil, or underpinning Professional engineer
Sprinkler protected glazed wall assembly (Div. B 3.1.8.20.) Professional engineer
Shelf and rack storage system (Div. B 3.16.) Professional engineer
Tent over 225 m²: supporting framing and anchorage Professional engineer
Sign attached to a building: projecting sign over 115 kg, or roof sign with any face over 10 m² Architect or engineer, or both
Projecting sign on a parapet wall (any weight) Architect or engineer, or both

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General review (1.2.2.)

General review means an architect or engineer checks that construction is in general conformity with the permit documents. Table 1.2.2.1. says which buildings need it and by whom (OBC Div. C Table 1.2.2.1.OBC Div. C Table 1.2.2.1. General Review — Forming Part of Sentence 1.2.2.1.(1)Table 1.2.2.1. General Review — Forming Part of Sentence 1.2.2.1.(1) Forming Part of Sentence 1.2.2.1.(1) Building Classification by Major Occupancy[5] | Building Description | General Review by: Assembly occupancy only | Every building | Architect and professional engineer[1] Assembly occupancy and any other major…). How to read it: find the major occupancy row in Column 1, check the size test in Column 2, read the reviewer in Column 3. Key rows:

Occupancy (simplified) Trigger Review by
Assembly, care, care and treatment, detention, retirement homes Every building Architect and engineer
Residential only (not retirement home) Over 3 storeys Architect and engineer
Residential only Over 600 m² gross area with a dwelling unit above another (and certain other residential rows) Architect (who may engage an engineer)
Business and personal services, mercantile Over 600 m² gross area or 3 storeys Architect and engineer
Industrial or agricultural only, no subsidiary occupancies Over 600 m² gross area or 3 storeys Architect or engineer

Further rules:

  • Specific items also need review: foundations near adjacent footings and underpinning, sprinkler protected glazing, rack storage, tents over 225 m², ground signs over 7.5 m high, heavy projecting and large roof signs, parapet signs, and demountable stages (OBC Div. C 1.2.2.1.OBC Div. C 1.2.2.1. General Review by Architect or Professional Engineer(1) The construction, including, for greater certainty, enlargement or alteration, of every building or part of it described in Table 1.2.2.1. shall be reviewed by an architect or a professional engineer or a combination of both as set out in Column 3 of the Table. (2) A person who intends to construct or have…).
  • The person who intends to construct must ensure the architect or engineer is retained, and the reviewer forwards copies of written reports to the chief building official or RCA (1.2.2.1.(2) and (3)).
  • Only an architect may review a building built to an architect's design; only an engineer may review one built to an engineer's design (OBC Div. C 1.2.2.2.OBC Div. C 1.2.2.2. Restriction for General Review(1) Only an architect may carry out or provide the general review of the construction of a building, (a) that is constructed in accordance with a design prepared or provided by an architect, or (b) in relation to services that are provided by an architect in connection with the design in accordance with which the…).
  • Demolition: a professional engineer must do general review where the building is over 3 storeys or 600 m² building area, has pre- or post-tensioned members, the demolition goes below adjacent footings within the angle of repose, or explosives or a laser are used (OBC Div. C 1.2.2.3.OBC Div. C 1.2.2.3. Demolition of a Building(1) The applicant for a permit respecting the demolition of a building shall retain a professional engineer to undertake the general review of the project during demolition, where, (a) the building exceeds 3 storeys in building height or 600 m² in building area, (b) the building structure includes pre-tensioned or…).

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Permits (1.3.1.)

Exemptions (OBC Div. C 1.3.1.1.OBC Div. C 1.3.1.1. Requirement for Permits(1) A person is exempt from the requirement to obtain a permit under section 8 of the Act, (a) for the demolition of a farm building located on a farm, (b) subject to Sentence (2), for the construction or demolition of a building in territory without municipal organization, or (c) for the construction of a Class 1…):

Exempt from a building permit Conditions
Demolition of a farm building on a farm None
Construction or demolition in territory without municipal organization Not for sewage systems
Class 1 sewage system None
Tents (also exempt from the Code) Not more than 60 m² aggregate, not attached, more than 3 m from other structures
Sheds (also exempt from the Code) Not more than 15 m² gross area, one storey, detached, ancillary storage only, no plumbing

Applicants. The owner or the owner's authorized agent applies, on the Minister's form; "owner" includes the registered owner, a lessee and a mortgagee in possession (OBC Div. C 1.3.1.2.OBC Div. C 1.3.1.2. Applications for Permits under Section 8 of the Act(1) An application for a permit under section 8 of the Act to construct or demolish a building shall be made by, (a) the owner of the property on which the proposed construction or demolition is to take place, or (b) the authorized agent of the owner referred to in Clause (a). (2) An application referred to in…).

Decision periods. For a complete application, the official must issue or refuse (with written reasons) within the Table 1.3.1.3. period (OBC Div. C 1.3.1.3.OBC Div. C 1.3.1.3. Period Within Which a Permit is Issued or Refused(1) Subject to Sentences (2) and (3) and unless the circumstances set out in Sentence (6) exist, if an application for a permit under subsection 8(1) of the Act that meets the requirements of Sentence (5) is submitted to a chief building official, the chief building official shall, within the time period set out in…, Table 1.3.1.3.OBC Div. C Table 1.3.1.3. Period Within Which Permit Shall be Issued or Refused — Forming Part of Article 1.3.1.3.Table 1.3.1.3. Period Within Which Permit Shall be Issued or Refused — Forming Part of Article 1.3.1.3. Item | Class of Building | Time Period 1 | (a) Except for a retirement home, a house where no dwelling unit is located above another dwelling unit. (b) A detached structure that serves a building described in Clause…):

Item Typical buildings Days
1 Houses with no dwelling unit above another (not retirement homes), small detached accessory structures, tents, signs, demountable stages 10
2 Other Part 9 buildings listed in the Item; farm buildings up to 600 m² 15
3 Part 3 buildings; farm buildings over 600 m²; retirement homes 20
4 Post-disaster buildings; high buildings (3.2.6.) and the listed 3.2.8. cases 30

Days start the day after a complete application is submitted and exclude Saturdays, holidays and days the offices are closed. If the declared plans are missing or the work would break applicable law, the official is released from the deadline by telling the applicant, with written reasons, within two days.

Change of use (1.3.1.4.). Changes listed here are an "increase in hazard" needing a s. 10 permit: any change marked "Y" in Table 1.3.1.4., one Group C suite split into more, A-2 or A-4 space converted to a gaming premises, farm building changes, a change to a post-disaster building or a retirement home, or a change where the previous occupancy cannot be determined. No s. 10 permit is needed if a s. 8 permit covers construction that causes the change, or in unorganized territory (OBC Div. C 1.3.1.4.OBC Div. C 1.3.1.4. Permits Under Section 10 of the Act(1) Except as provided in Sentence (2), the following changes in use of a building or part of a building constitute an increase in hazard for the purposes of section 10 of the Act and require a permit under section 10 of the Act: (a) a change of the major occupancy of all or part of a building that is designated with…).

Conditional permits (1.3.1.5.). The "other applicable law" for clause 8(3)(a) of the Act is listed here (conservation authority, heritage, Niagara Escarpment, environmental assessment and others). Zoning compliance is deemed met where a committee of adjustment approved minor variances that achieve full compliance and no one objected, or where the work is needed to comply with a Fire Protection and Prevention Act order or an unsafe building order. The permit must show it is conditional (OBC Div. C 1.3.1.5.OBC Div. C 1.3.1.5. Conditional Permits(1) The chief building official shall not issue a conditional permit for any stage of construction under subsection 8(3) of the Act unless compliance with the following applicable laws has been achieved in respect of the proposed building or construction: (a) section 3 of the Building Transit Faster Act, 2020 with…).

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Site documents, occupancy and fire department approval

  • Post the permit in a conspicuous place on the property (OBC Div. C 1.3.2.1.OBC Div. C 1.3.2.1. Permit Posting(1) Where a permit has been issued pursuant to the Act, the person to whom it is issued shall have the permit or a copy of it posted at all times during construction or demolition in a conspicuous place on the property in respect of which the permit was issued.).
  • Keep on site the certified permit drawings with authorized changes, plus any BMEC authorizations and Minister's rulings the permit relied on (OBC Div. C 1.3.2.2.OBC Div. C 1.3.2.2. Documentation on Site(1) The person in charge of the construction of the building shall keep and maintain on the site of the construction, (a) at least one copy of drawings and specifications certified by the chief building official or a person designated by the chief building official to be a copy of those submitted with the application…).
  • Occupancy permit before completion: the official issues one when the listed life safety items are done, such as structure and walls to the roof, fire separations, exits down to grade, tested plumbing and fire protection systems (OBC Div. C 1.3.3.1.OBC Div. C 1.3.3.1. Occupancy Permit — General(1) Except as permitted in Sentence 1.3.3.2.(1), a person may occupy or permit to be occupied any building or part of it that has not been fully completed at the date of occupation where the chief building official or a person designated by the chief building official has issued a permit authorizing occupation of the…). With an RCA appointed for after-permit functions, the official acts on the RCA's certificate.
  • Small residential buildings may be occupied before completion without that permit if they are 3 storeys or less, not over 600 m² building area, no more than 1 dwelling unit above another, no more than 2 units sharing a means of egress, no tourist accommodation and not a retirement home, and listed systems are complete, inspected and (for plumbing) tested (OBC Div. C 1.3.3.2.OBC Div. C 1.3.3.2. Conditions for Residential Occupancy(1) A person may occupy or permit to be occupied a building intended for residential occupancy that has not been fully completed at the date of occupation provided that, (a) the building, (i) is of three or fewer storeys in building height and has a building area not exceeding 600 m², (ii) has not more than 1 dwelling…). Whoever occupies early must notify the official forthwith on completion (1.3.3.3.).
  • Where council assigns fire safety enforcement to an inspector who is the fire chief, no permit issues until that inspector approves the drawings, unless an RCA is appointed for plans review (OBC Div. C 1.3.4.1.OBC Div. C 1.3.4.1. Fire Department Approval(1) Subject to Sentence (2), if the council of a municipality assigns specific responsibility for the enforcement of any portion of this Code respecting fire safety matters to an inspector who is the chief of the fire department of the municipality, the chief building official shall not issue a permit to construct a…).

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Notices, inspections and as constructed plans

The permit holder must give the prescribed notices: footings, foundations before backfill, framing and ductwork, insulation and vapour barriers, air barriers, fire separations and fire protection systems, fire access routes, plumbing tests, sewage systems, and occupancy stages (OBC Div. C 1.3.5.1.OBC Div. C 1.3.5.1. Prescribed Notices(1) This Article sets out the notices that are required under section 10.2 of the Act. (2) The person to whom a permit under section 8 of the Act is issued shall notify the chief building official or, where a registered code agency is appointed under the Act in respect of the construction to which the notice relates…). A by-law under clause 7(1)(e) of the Act may add others, such as commencement, fireplaces, interior finishes, exterior cladding and site grading (1.3.5.2.).

Notice Inspection within Source
Most prescribed notices 2 days OBC Div. C 1.3.5.3.OBC Div. C 1.3.5.3. Prescribed Inspections(1) Except as provided in Sentence (2), an inspector or registered code agency, as the case may be, shall, not later than two days after receipt of a notice given under Sentence 1.3.5.1.(2), undertake a site inspection of the building to which the notice relates. (2) Where a notice given under Sentence 1.3.5.1.(2)…
Readiness to construct, or completion of, a sewage system 5 days 1.3.5.3.(2)
Deferred development charge occupancy (clause (q)) 10 days 1.3.5.3.(2.1)

Days start the next day and exclude Saturdays and holidays. The inspector may consider reports and may inspect by other means instead of attending in person.

Before a sewage system is built, the official must have the installer's registration details, the qualified supervisor and a contact (OBC Div. C 1.3.5.4.OBC Div. C 1.3.5.4. Construction of Sewage Systems(1) The following information is prescribed for the purposes of subsection 15.12(3) of the Act and must be provided to the chief building official before the commencement of the construction of a sewage system: (a) the information described in Sentence 3.3.4.1.(2) as it relates to, (i) the person registered under…). Where a by-law under clause 7(1)(g) exists, the official may require as constructed plans (OBC Div. C 1.3.6.1.OBC Div. C 1.3.6.1. Application(1) Where a by-law, resolution or regulation has been made by a principal authority under clause 7(1)(g) of the Act, the chief building official may require that as constructed plans for the whole of, or any part or system of, a building or any class of buildings be provided by the persons responsible for the…).

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Other administration

  • Warrant forms (1.4.), the director's enforcement of qualifications (1.5.), licence suspension (1.6.), sewage enforcement bodies (1.7.), and signs in English or English and French (OBC Div. C 1.8.1.1.OBC Div. C 1.8.1.1. Language Used on Required Signs(1) All required signs in this Code shall be displayed in the English language or in the English and French languages, including operational material on all life safety equipment and devices.).
  • Small houses (one unit, 37 m² or less) partly built in one place and moved, unoccupied, to another municipality or an unknown site have their own permit and inspection rules (OBC Div. C 1.11.1.1.OBC Div. C 1.11.1.1. Scope(1) This Section applies to houses that, (a) have not more than one dwelling unit, (b) are 37 m² or less in building area, and (c) are to be, (i) partially constructed in one municipality and moved to be installed at a location in another municipality without having been previously occupied, or (ii) partially…).
  • A manufactured building within Part 3 certified to CSA A277 is deemed to comply, but site installation and off-site components must meet the Code (OBC Div. C 1.12.1.1.OBC Div. C 1.12.1.1. Certification and Compliance(1) Except as provided in Sentence (2), a manufactured building or a manufactured part of a building within the scope of Part 3 is deemed to comply with this Code if it is certified in accordance with CSA A277, “Procedure for Certification of Prefabricated Buildings, Modules, and Panels.” (2) The requirements of this…).

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Common traps

  • 10 days for a house permit versus 10 days after notice of completion under s. 11 of the Act.
  • A shed with plumbing is not exempt.
  • Additional notices need a by-law; the official cannot add them case by case.
  • Inspection periods count business days; Act service by registered mail counts calendar days.

Chapter review

Chapter at a glance

One line per section: the idea to carry into the exam. Then the answers that most often catch candidates out.

Usual exam traps

  • 10 days for a house permit versus 10 days after notice of completion under s. 11 of the Act.
  • A shed with plumbing is not exempt.
  • Additional notices need a by-law; the official cannot add them case by case.
  • Inspection periods count business days; Act service by registered mail counts calendar days.

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Questions on Design, general review, permits and inspections (Division C Part 1), in the exam format, every answer explained and cited to its article. Sign in to start; a free account gets the free questions.

Code cited in this chapter

Based on the official 2024 Building Code Compendium on ontario.ca.

© King's Printer for Ontario, 2024. Reproduced with permission.

  • OBC Div. C 1.1.1.2. Conformance with Administrative Requirements

    (1)This Code shall be administered in conformance with the Act.

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  • OBC Div. C 1.2.1.2. Design by Architect or Professional Engineer

    (1)A foundation of a building shall be designed by a professional engineer where,

    (a)the foundation is to be constructed below the level of the footings of an adjacent building and within the angle of repose of the soil, as drawn from the bottom of the footings, or

    (b)underpinning of a foundation is to be undertaken.

    (2)A sprinkler protected glazed wall assembly described in Article 3.1.8.20. of Division B shall be designed by a professional engineer.

    (3)A shelf and rack storage system described in Section 3.16. of Division B shall be designed by a professional engineer.

    (4)The time-based egress analysis for a shelf and rack storage system described in Sentence 3.16.1.7.(7) of Division B shall be prepared or provided by an architect or a professional engineer or a combination of both.

    (5)The supporting framing structure and anchorage system for a tent occupying an area greater than 225 m² shall be designed by a professional engineer.

    (6)A sign structure attached in any manner to a building shall be designed by an architect or a professional engineer or a combination of both where it is,

    (a)a projecting sign that weighs more than 115 kg, or

    (b)a roof sign that has any face that is more than 10 m².

    (7)A projecting sign attached in any manner to a parapet wall shall be designed by an architect or a professional engineer or a combination of both.

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  • OBC Div. C Table 1.2.2.1. General Review — Forming Part of Sentence 1.2.2.1.(1)

    Table 1.2.2.1. General Review — Forming Part of Sentence 1.2.2.1.(1) Forming Part of Sentence 1.2.2.1.(1) Building Classification by Major Occupancy[5] | Building Description | General Review by: Assembly occupancy only | Every building | Architect and professional engineer[1] Assembly occupancy and any other major occupancy except industrial | Every building | Architect and professional engineer[1] Care, care and treatment or detention occupancy only | Every building | Architect and professional engineer[1] Care, care and treatment or detention occupancy and any other major occupancy except industrial | Every building | Architect and professional engineer[1] Residential occupancy only, other than retirement homes | Every building that exceeds 3 storeys in building height | Architect and professional engineer[1] Residential occupancy only, other than retirement homes | Every building that exceeds 600 m² in gross area and that contains a residential occupancy other than a dwelling unit or dwelling units | Architect[2] Residential occupancy only, other than retirement homes | Every building that exceeds 600 m² in gross area and contains a dwelling unit above another dwelling unit | Architect[2] Residential occupancy only, other than retirement homes | Every building that exceeds 600 m² in building area, contains 3 or more dwelling units and has no dwelling unit above another dwelling unit | Architect[2] Residential occupancy, other than retirement homes, and any other major occupancy except assembly, care, care and treatment, detention or industrial occupancy | Every building that exceeds 600 m² in gross area or 3 storeys in building height | Architect and professional engineer[1] Retirement home only | Every building | Architect and professional engineer[1] Retirement home and any major occupancy except industrial | Every building | Architect and professional engineer[1] Business and personal services occupancy only | Every building that exceeds 600 m² in gross area or 3 storeys in building height | Architect and professional engineer[1] Business and personal services occupancy and any other major occupancy except assembly, care, care and treatment, detention or industrial occupancy | Every building that exceeds 600 m² in gross area or 3 storeys in building height | Architect and professional engineer[1] Mercantile occupancy only | Every building that exceeds 600 m² in gross area or 3 storeys in building height | Architect and professional engineer[1] Mercantile occupancy and any other major occupancy except assembly, care, care and treatment, detention or industrial occupancy | Every building that exceeds 600 m² in gross area or 3 storeys in building height | Architect and professional engineer[1] Industrial occupancy only and where there are no subsidiary occupancies | Every building that exceeds 600 m² in gross area or 3 storeys in building height | Architect or professional engineer[3] Industrial occupancy and one or more other major occupancies where the portion of the area occupied by one of the other major or subsidiary occupancies exceeds 600 m² | The non-industrial portion of every building | Architect and professional engineer[1] Industrial occupancy and one or more other major occupancies where the portion of the area occupied by one of the other major or subsidiary occupancies exceeds 600 m² | The industrial portion of every building | Architect or professional engineer[3] Industrial occupancy and one or more other major occupancies where no portion of the area occupied by one of the other major or subsidiary occupancies exceeds 600 m² | Every building that exceeds 600 m² in gross area or 3 storeys in building height | Architect or professional engineer[3] Agricultural occupancy only and where there are no subsidiary occupancies | Every building that exceeds 600 m² in gross area or 3 storeys in building height | Architect or professional engineer[3] Agricultural occupancy and one or more other major occupancies where the portion of the area occupied by one of the other major or subsidiary occupancies exceeds 600 m² | The non-agricultural portion of every building | Architect and professional engineer[1] Agricultural occupancy and one or more other major occupancies where the portion of the area occupied by one of the other major or subsidiary occupancies exceeds 600 m² | The agricultural portion of every building | Architect or professional engineer[3] Agricultural occupancy and one or more other major occupancies where no portion of the area occupied by one of the other major or subsidiary occupancies exceeds 600 m² | Every building that exceeds 600 m² in gross area or 3 storeys in building height | Architect or professional engineer[3] Column 1 | Column 2 | Column 3 Notes to Table 1.2.2.1.: (1) An architect shall provide general review services within the practice of architecture and a professional engineer shall provide general review services within the practice of professional engineering. (2) An architect may engage a professional engineer to provide general review services within the practice of professional engineering. (3) Only a professional engineer may provide general review services within the practice of professional engineering. (4) Requirements for general review by an architect or a professional engineer or a combination of both for the construction, including, for greater certainty, enlargement or alteration, of a building are set out in the Architects Act and the Professional Engineers Act. (5) For purposes of Table 1.2.2.1., a retirement home is deemed to be a separate major occupancy.

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  • OBC Div. C 1.2.2.1. General Review by Architect or Professional Engineer

    (1)The construction, including, for greater certainty, enlargement or alteration, of every building or part of it described in Table 1.2.2.1. shall be reviewed by an architect or a professional engineer or a combination of both as set out in Column 3 of the Table.

    (2)A person who intends to construct or have constructed a building or part of it required by Sentences (1) and (4) to (9) to be reviewed by an architect or a professional engineer or a combination of both, shall ensure that an architect, professional engineer or both are retained to undertake the general review of the construction of the building in accordance with the performance standards of the Ontario Association of Architects or the Association of Professional Engineers of Ontario, as applicable, to determine whether the construction is in general conformity with the plans, sketches, drawings, graphic representations, specifications and other documents that form the basis for the issuance of a permit under section 8 of the Act or any changes to it authorized by the chief building official.

    (3)The architect, professional engineer or both who have been retained to undertake the general review of the construction of a building, shall forward copies of written reports arising out of the general review to the chief building official or registered code agency, as the case may be.

    (4)The construction of a foundation of a building shall be reviewed by a professional engineer where,

    (a)the foundation is to be constructed below the level of the footings of an adjacent building and within the angle of repose of the soil, as drawn from the bottom of the footings, or

    (b)underpinning of a foundation is to be undertaken.

    (5)The construction of a sprinkler protected glazed wall assembly described in Article 3.1.8.20. of Division B shall be reviewed by a professional engineer.

    (6)The construction of a shelf and rack storage system described in Section 3.16. of Division B shall be reviewed by a professional engineer.

    (7)The construction of a supporting framing structure and anchorage system for a tent occupying an area greater than 225 m² shall be reviewed by a professional engineer.

    (8)The construction of a sign structure shall be reviewed by an architect or a professional engineer or a combination of both, where the sign is,

    (a)a ground sign that exceeds 7.5 m in height above the adjacent finished ground,

    (b)a projecting sign that weighs more than 115 kg, or

    (c)a roof sign that has any face that is more than 10 m².

    (9)The construction of a projecting sign attached in any manner to a parapet wall shall be reviewed by an architect, professional engineer or a combination of both.

    (10)The construction of a demountable stage or demountable support structure regulated by Section 3.17. of Division B shall be reviewed by a professional engineer.

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  • OBC Div. C 1.2.2.2. Restriction for General Review

    (1)Only an architect may carry out or provide the general review of the construction of a building,

    (a)that is constructed in accordance with a design prepared or provided by an architect, or

    (b)in relation to services that are provided by an architect in connection with the design in accordance with which the building is constructed.

    (2)Only a professional engineer may carry out or provide the general review of the construction of a building,

    (a)that is constructed in accordance with a design prepared or provided by a professional engineer, or

    (b)in relation to services that are provided by a professional engineer in connection with the design in accordance with which the building is constructed.

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  • OBC Div. C 1.2.2.3. Demolition of a Building

    (1)The applicant for a permit respecting the demolition of a building shall retain a professional engineer to undertake the general review of the project during demolition, where,

    (a)the building exceeds 3 storeys in building height or 600 m² in building area,

    (b)the building structure includes pre-tensioned or post-tensioned members,

    (c)it is proposed that the demolition will extend below the level of the footings of any adjacent building and occur within the angle of repose of the soil, as drawn from the bottom of such footings, or

    (d)explosives or a laser are to be used during the course of demolition.

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  • OBC Div. C 1.3.1.1. Requirement for Permits

    (1)A person is exempt from the requirement to obtain a permit under section 8 of the Act,

    (a)for the demolition of a farm building located on a farm,

    (b)subject to Sentence (2), for the construction or demolition of a building in territory without municipal organization, or

    (c)for the construction of a Class 1 sewage system.

    (2)The exemption in Clause (1)(b) from the requirement to obtain a permit does not apply to the construction of a sewage system in territory without municipal organization.

    (3)The application for a permit respecting the demolition of a building to which Sentence 1.2.2.3.(1) applies shall include descriptions of the structural design characteristics of the building and the method of demolition of the building.

    (4)No person shall commence demolition of a building or any part of a building before the building has been vacated by the occupants except where the safety of the occupants is not affected.

    (5)A tent or group of tents is exempt from the requirement to obtain a permit under section 8 of the Act and is exempt from compliance with the Code provided that the tent or group of tents are,

    (a)not more than 60 m² in aggregate ground area,

    (b)not attached to a building, and

    (c)constructed more than 3 m from other structures.

    (6)A shed is exempt from the requirement to obtain a permit under section 8 of the Act and is exempt from compliance with this Code, provided that the shed,

    (a)is not more than 15 m² in gross area,

    (b)is not more than one storey in building height,

    (c)is not attached to a building or any other structure,

    (d)is used only for storage purposes ancillary to a principal building on the lot, and

    (e)does not have plumbing.

    (7)A demountable stage or demountable support structure not regulated by Section 3.17. of Division B is exempt from the requirement to obtain a permit under section 8 of the Act and is exempt from compliance with this Code.

    Open OBC Div. C 1.3.1.1. in the code viewer
  • OBC Div. C 1.3.1.2. Applications for Permits under Section 8 of the Act

    (1)An application for a permit under section 8 of the Act to construct or demolish a building shall be made by,

    (a)the owner of the property on which the proposed construction or demolition is to take place, or

    (b)the authorized agent of the owner referred to in Clause (a).

    (2)An application referred to in Sentence (1) shall be in a form approved by the Minister.

    (3)In Sentence (1), “owner” includes, in respect of the property on which the construction or demolition will take place, the registered owner, a lessee and a mortgagee in possession.

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  • OBC Div. C 1.3.1.3. Period Within Which a Permit is Issued or Refused

    (1)Subject to Sentences (2) and (3) and unless the circumstances set out in Sentence (6) exist, if an application for a permit under subsection 8(1) of the Act that meets the requirements of Sentence (5) is submitted to a chief building official, the chief building official shall, within the time period set out in Column 2 of Table 1.3.1.3. corresponding to the class of building described in Column 1 of Table 1.3.1.3. for which the application is made,

    (a)issue the permit, or

    (b)refuse to issue the permit and provide in writing all of the reasons for the refusal.

    (2)If an application for a permit under subsection 8(1) of the Act proposes construction or demolition of two or more buildings of different classes described in Column 1 of Table 1.3.1.3. that have different time periods in Column 2 of Table 1.3.1.3., the longer of the time periods shall be the time period for the purposes of Sentence (1).

    (3)If an application for a permit under subsection 8(1) of the Act proposes construction or demolition of a building described in Sentence (4), the time period for the purposes of Sentence (1) shall be the longer of,

    (a)10 days, and

    (b)the time period corresponding to the class of the building described in Column 1 of Table 1.3.1.3. that the building described in Sentence (4) serves, if any.

    (4)A building referred to in Sentence (3) is,

    (a)a structure occupying an area of 10 m² or less that contains plumbing, including the plumbing appurtenant to it,

    (b)plumbing not located in a structure,

    (c)a sewage system, or

    (d)a structure designated in Article 1.3.3.5. of Division A.

    (5)The requirements that an application for a permit under subsection 8(1) of the Act must meet for the purposes of Sentence (1) are,

    (a)that the application is made in the form described in Sentence 1.3.1.2.(2),

    (b)that the applicant for the permit is a person described in Clause 1.3.1.2.(1)(a) or (b),

    (c)that all applicable fields on the application form and required schedules are completed,

    (d)that all required schedules are submitted with the application,

    (e)that payment is made of all fees that are required, under the applicable by-law, resolution or regulation made under clause 7(1)(c) of the Act, to be paid when the application is made, and

    (f)that the applicant has declared in writing that,

    (i)the application meets all the requirements set out in Clauses (a) to (e),

    (ii)the application is accompanied by the plans and specifications prescribed by the applicable by-law, resolution or regulation made under clause 7(1)(b) of the Act,

    (iii)the application is accompanied by the information and documents prescribed by the applicable by-law, resolution or regulation made under clause 7(1)(b) of the Act which enable the chief building official to determine whether the proposed building, construction or demolition will contravene any applicable law, and

    (iv)the proposed building, construction or demolition will not contravene any applicable law.

    (6)The chief building official is not required to make a decision within the time period required by Sentence (1) with respect to an application that meets the requirements of Sentence (5) if the chief building official,

    (a)determines that,

    (i)the application is not accompanied by the plans, specifications, information and documents referred to in Subclauses (5)(f)(ii) and (iii), or

    (ii)the proposed building, construction or demolition will contravene any applicable law, and

    (b)advises the applicant of his or her determination and provides in writing the reasons for the determination within two days.

    (7)Subject to Sentences (9) and (10), the time period described in Sentences (1) to (3) and in Clause (6)(b) shall begin on the day following the day on which an application that meets the requirements of Sentence (5) is submitted to the chief building official.

    (8)The time periods described in Column 2 of Table 1.3.1.3. and in Clause (6)(b) shall not include Saturdays, holidays and all other days when the offices of the principal authority are not open for the transaction of business with the public.

    (9)The time period in Sentence (10) applies where,

    (a)an application is made for the construction of a building that is served by a sewage system,

    (b)construction is proposed in respect of the sewage system that serves the building, and

    (c)a board of health, conservation authority, planning board or the council of an upper-tier municipality is responsible for the enforcement of the provisions of the Act and this Code related to the sewage system under section 3.1 of the Act or pursuant to an agreement under section 6.2 of the Act.

    (10)The time period described in Sentences (1) to (3) and in Clause (6)(b) for an application referred to in Clause (9)(a) shall begin on the day following the later of,

    (a)the day on which an application that meets the requirements of Sentence (5) is submitted to the chief building official, and

    (b)the day on which a permit for the construction of the sewage system referred to in Clause (9)(b) is issued.

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  • OBC Div. C Table 1.3.1.3. Period Within Which Permit Shall be Issued or Refused — Forming Part of Article 1.3.1.3.

    Table 1.3.1.3. Period Within Which Permit Shall be Issued or Refused — Forming Part of Article 1.3.1.3. Item | Class of Building | Time Period 1 | (a) Except for a retirement home, a house where no dwelling unit is located above another dwelling unit. (b) A detached structure that serves a building described in Clause (a) and does not exceed 55 m² in building area. (c) A tent to which Section 3.14. of Division B applies. (d) A sign to which Section 3.15. of Division B applies. (e) A demountable stage or demountable support structure to which Section 3.17. of Division B applies. | 10 days 2 | (a) Buildings described in Clause 1.3.3.3.(1)(a), (b) or (c) of Division A, other than buildings described in Column 1 of any of Items 1 and 4 of this Table. (b) Farm buildings that do not exceed 600 m² in building area. | 15 days 3 | (a) Buildings described in Sentence 1.3.3.2.(1) of Division A, other than buildings described in Column 1 of any of Items 1 and 4 of this Table. (b) Farm buildings exceeding 600 m² in building area. (c) Retirement homes. | 20 days 4 | (a) Post-disaster buildings. (b) Buildings to which Subsection 3.2.6. of Division B or any provision in Articles 3.2.8.3. to 3.2.8.8. of Division B applies. | 30 days N/A | Column 1 | Column 2

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  • OBC Div. C 1.3.1.4. Permits Under Section 10 of the Act

    (1)Except as provided in Sentence (2), the following changes in use of a building or part of a building constitute an increase in hazard for the purposes of section 10 of the Act and require a permit under section 10 of the Act:

    (a)a change of the major occupancy of all or part of a building that is designated with a “Y” in Table 1.3.1.4. takes place,

    (b)a suite of a Group C major occupancy is converted into more than one suite of Group C major occupancy,

    (c)a suite or part of a suite of a Group A, Division 2 or a Group A, Division 4 major occupancy is converted to a gaming premises,

    (d)a farm building or part of a farm building is changed to another major occupancy other than a Group G major occupancy,

    (e)a farm building or part of a farm building is changed to a Group G, Division 1 major occupancy.

    (f)a building or part of a building is changed to a post-disaster building,

    (g)a building or part of a building is changed to a retirement home, or

    (h)the use of a building or part of a building is changed and the previous major occupancy of the building or part of the building cannot be determined.

    (2)A person is exempt from the requirement to obtain a permit under section 10 of the Act where the change in use of the building or part of the building will result from proposed construction and a permit under section 8 of the Act has been issued in respect of such construction.

    (3)A person is exempt from the requirement to obtain a permit under section 10 of the Act for the change of use of a building in unorganized territory.

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  • OBC Div. C 1.3.1.5. Conditional Permits

    (1)The chief building official shall not issue a conditional permit for any stage of construction under subsection 8(3) of the Act unless compliance with the following applicable laws has been achieved in respect of the proposed building or construction:

    (a)section 3 of the Building Transit Faster Act, 2020 with respect to the issuance of a permit under that section,

    (b)section 28 of the Conservation Authorities Act with respect to the prohibition of development activities,

    (c)sections 28.1, 28.1.1 and 28.1.2 of the Conservation Authorities Act with respect to a permit issued for the construction of a building or structure or for any change to a building or structure that would increase its size, alter its use or increase the number of dwelling units,

    (d)regulations made by a conservation authority under clause 28(1)(c) of the Conservation Authorities Act as it read immediately before its repeal by section 25 of Schedule 4 to the Building Better Communities and Conserving Watersheds Act, 2017, with respect to permission of the authority for the construction of a building or structure if, in the opinion of the authority, the control of flooding, erosion, dynamic beaches or pollution or the conservation of land may be affected by the development,

    (e)section 17.2 of the Environmental Assessment Act with respect to the approval of the Minister or the Ontario Land Tribunal to proceed with a project,

    (f)subsection 24(3) of the Niagara Escarpment Planning and Development Act,

    (g)subsection 27(9) of the Ontario Heritage Act,

    (h)subsection 30(2) of the Ontario Heritage Act with respect to a consent of the council of a municipality to the alteration or demolition of a building where the council of the municipality has given a notice of intent to designate the building under subsection 29(3) of that Act,

    (i)section 33 of the Ontario Heritage Act with respect to the consent of the council of a municipality for the alteration of property,

    (j)section 34 of the Ontario Heritage Act with respect to the consent of the council of a municipality for the demolition of a building,

    (k)section 34.5 of the Ontario Heritage Act with respect to the consent of the Minister to the alteration or demolition of a designated building,

    (l)subsection 34.7(2) of the Ontario Heritage Act with respect to a consent of the Minister to the alteration or demolition of a building where the Minister has given a notice of intent to designate the building under section 34.6 of that Act,

    (m)by-laws made under section 40.1 of the Ontario Heritage Act,

    (n)section 42 of the Ontario Heritage Act with respect to the permit given by the council of a municipality for the erection, alteration or demolition of a building,

    (o)section 17.4 of the Ontario New Home Warranties Plan Act with respect to the provision of a confirmation by the Registrar for the construction of a residential condominium conversion project.

    (2)For the purposes of issuing a conditional permit under subsection 8(3) of the Act, a person is exempt from the requirement in clause 8(3)(a) of the Act of compliance with by-laws passed under sections 34 and 38 of the Planning Act where,

    (a)a committee of adjustment has made a decision under section 45 of the Planning Act authorizing one or more minor variances from the provisions of any by-laws made under sections 34 and 38 of that Act,

    (b)such minor variance or variances result in the achievement of full compliance with such by-laws, and

    (c)no person informed the committee of adjustment of objections to the minor variances either in writing or in person at the hearing of the application.

    (3)For the purposes of issuing a conditional permit under subsection 8(3) of the Act, a person is exempt from the requirement in clause 8(3)(a) of the Act of compliance with by-laws passed under sections 34 and 38 of the Planning Act where the construction in respect of which the conditional permit is issued is required in order to comply with an order issued under subsection 21(1) of the Fire Protection and Prevention Act, 1997 or under subsection 15.9(4) of the Act.

    (4)A permit issued under subsection 8(3) of the Act shall indicate its conditional nature.

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  • OBC Div. C 1.3.2.1. Permit Posting

    (1)Where a permit has been issued pursuant to the Act, the person to whom it is issued shall have the permit or a copy of it posted at all times during construction or demolition in a conspicuous place on the property in respect of which the permit was issued.

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  • OBC Div. C 1.3.2.2. Documentation on Site

    (1)The person in charge of the construction of the building shall keep and maintain on the site of the construction,

    (a)at least one copy of drawings and specifications certified by the chief building official or a person designated by the chief building official to be a copy of those submitted with the application for the permit to construct the building, together with changes that are authorized by the chief building official or a person designated by the chief building official,

    (b)copies of authorizations of the Building Materials Evaluation Commission on the basis of which the permit was issued, and

    (c)copies of rulings of the Minister, made under clause 29(1)(a) or (c) of the Act, on the basis of which the permit was issued.

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  • OBC Div. C 1.3.3.1. Occupancy Permit — General

    (1)Except as permitted in Sentence 1.3.3.2.(1), a person may occupy or permit to be occupied any building or part of it that has not been fully completed at the date of occupation where the chief building official or a person designated by the chief building official has issued a permit authorizing occupation of the building or part of it prior to its completion in accordance with Sentence (3).

    (2)Sentence (1) does not apply in respect of the occupancy of a building to which Article 1.3.3.4., 1.3.3.5. or 1.3.3.7. applies or a building or part of it to which Article 1.3.3.8. applies.

    (3)The chief building official or a person designated by the chief building official shall issue a permit authorizing occupation of a building, where,

    (a)the structure of the building or part of it is completed to the roof,

    (b)the enclosing walls of the building or part of them are completed to the roof,

    (c)the walls enclosing the space to be occupied are completed, including balcony guards,

    (d)all required fire separations and closures are completed on all storeys to be occupied,

    (e)all required exits are completed, including all fire separations, doors, door hardware, self-closing devices, guards and handrails, from the uppermost floor to be occupied down to grade level and below if an exit connects with lower storeys,

    (f)all shafts including closures are completed to the floor-ceiling assembly above the storey to be occupied and have a temporary fire separation at such assembly,

    (g)measures have been taken to prevent access to parts of the building and site that are incomplete or still under construction,

    (h)floors, halls, lobbies and required means of egress are free of loose materials and other hazards,

    (i)if service rooms should be in operation, required fire separations and closures are completed,

    (j)all building drains, building sewers, water systems, drainage systems and venting systems are complete and tested as operational for the storeys to be occupied,

    (k)required lighting, heating and electrical supply are provided for the suites, rooms and common areas to be occupied,

    (l)required lighting in corridors, stairways and exits is completed and operational up to and including all storeys to be occupied,

    (m)required standpipe, sprinkler and fire alarm systems are complete and operational up to and including all storeys to be occupied, together with required pumper connections for such standpipes and sprinklers,

    (n)required fire extinguishers have been installed on all storeys to be occupied,

    (o)main garbage rooms, chutes and ancillary services are completed to all storeys to be occupied,

    (p)required firefighting access routes have been provided and are accessible, and

    (q)the sewage system has been completed and is operational.

    (4)Where a registered code agency has been appointed to perform the functions described in clause 4.1(4)(b) or (c) of the Act in respect of the construction of the building, the chief building official or a person designated by the chief building official shall issue the permit referred to in Sentence (3) after receipt of a certificate for the occupancy of a building not fully completed issued by the registered code agency in respect of the building.

    (5)Where applicable, the chief building official or a person designated by the chief building official shall not issue a permit authorizing occupation of the building or part of it, unless compliance with section 168.3.1 of the Environmental Protection Act has been achieved.

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  • OBC Div. C 1.3.3.2. Conditions for Residential Occupancy

    (1)A person may occupy or permit to be occupied a building intended for residential occupancy that has not been fully completed at the date of occupation provided that,

    (a)the building,

    (i)is of three or fewer storeys in building height and has a building area not exceeding 600 m²,

    (ii)has not more than 1 dwelling unit above another dwelling unit,

    (iii)has not more than 2 dwelling units sharing a common means of egress,

    (iv)has no accommodation for tourists, and

    (v)is not used for a retirement home,

    (b)the following building components and systems are complete, operational and inspected:

    (i)required exits, handrails and guards, fire alarm and detection systems, and fire separations,

    (ii)required exhaust fume barriers and self-closing devices on doors between an attached or built-in garage and a dwelling unit,

    (iii)water supply, sewage disposal, lighting and heating systems, and

    (iv)protection of foamed plastics required by Article 9.10.17.10. of Division B,

    (c)the following building components and systems are complete, operational, inspected and tested:

    (i)water systems,

    (ii)building drains and building sewers, and

    (iii)drainage systems and venting systems, and

    (iv)where applicable, the building conforms to Article 9.1.1.7. of Division B.

    (2)Sentence (1) does not apply in respect of the occupancy of a building to which Article 1.3.3.4. or 1.3.3.5. applies or a building or part of it to which Article 1.3.3.8. applies.

    (3)Where applicable, a person shall not occupy or permit to be occupied a building or part of it, unless compliance with section 168.3.1 of the Environmental Protection Act has been achieved.

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  • OBC Div. C 1.3.4.1. Fire Department Approval

    (1)Subject to Sentence (2), if the council of a municipality assigns specific responsibility for the enforcement of any portion of this Code respecting fire safety matters to an inspector who is the chief of the fire department of the municipality, the chief building official shall not issue a permit to construct a building unless the inspector approves the drawings submitted with the application for the permit as complying with that portion of this Code.

    (2)If a registered code agency has been appointed under clause 4.1(4)(a) or (c) of the Act,

    (a)a municipality shall not assign responsibility under Sentence (1) to the chief of the fire department with respect to a building for which the registered code agency has been appointed, and

    (b)any assignment of responsibility under Sentence (1) with respect to a building for which the registered code agency is appointed shall be cancelled as of the date of the appointment.

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  • OBC Div. C 1.3.5.1. Prescribed Notices

    (1)This Article sets out the notices that are required under section 10.2 of the Act.

    (2)The person to whom a permit under section 8 of the Act is issued shall notify the chief building official or, where a registered code agency is appointed under the Act in respect of the construction to which the notice relates, the registered code agency of,

    (a)readiness to construct footings,

    (b)substantial completion of footings and foundations prior to commencement of backfilling,

    (c)substantial completion of structural framing and ductwork and piping for heating and air-conditioning systems, if the building is within the scope of Part 9 of Division B,

    (d)substantial completion of structural framing and roughing-in of heating, ventilation, air-conditioning and air-contaminant extraction equipment, if the building is not a building to which Clause (c) applies,

    (e)substantial completion of insulation and vapour barriers,

    (f)substantial completion of air barrier systems,

    (g)substantial completion of all required fire separations and closures and all fire protection systems including standpipe, sprinkler, fire alarm and emergency lighting systems,

    (h)substantial completion of fire access routes,

    (i)readiness for inspection and testing of,

    (i)building sewers and building drains,

    (ii)water service pipes,

    (iii)fire service mains,

    (iv)drainage systems and venting systems,

    (v)the water distribution system, and

    (vi)plumbing fixtures and plumbing appliances,

    (j)readiness for inspection of suction and gravity outlets, covers and suction piping serving outlets of an outdoor pool described in Clause 1.3.1.1.(1)(j) of Division A, a public pool or a public spa,

    (k)substantial completion of the circulation / recirculation system of an outdoor pool described in Clause 1.3.1.1.(1)(j) of Division A, a public pool or public spa and substantial completion of the pool before it is first filled with water,

    (l)readiness to construct the sewage system,

    (m)substantial completion of the installation of the sewage system before the commencement of backfilling,

    (n)substantial completion of installation of plumbing not located in a structure, before the commencement of backfilling,

    (o)completion of construction and installation of components required to permit the issue of an occupancy permit under Sentence 1.3.3.1.(3) or to permit occupancy under Sentence 1.3.3.2.(1), if the building or part of the building to be occupied is not fully completed, and

    (p)completion of construction and installation of components required to permit the issue of an occupancy permit under Sentence 1.3.3.4.(4), 1.3.3.5.(3) or 1.3.3.7.(8).

    (q)completion of construction and installation of components required to permit the issue of an occupancy permit under Sentence 1.3.3.8.(2).

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  • OBC Div. C 1.3.5.3. Prescribed Inspections

    (1)Except as provided in Sentence (2), an inspector or registered code agency, as the case may be, shall, not later than two days after receipt of a notice given under Sentence 1.3.5.1.(2), undertake a site inspection of the building to which the notice relates.

    (2)Where a notice given under Sentence 1.3.5.1.(2) relates to matters described in Clause 1.3.5.1.(2)(l) or (m), an inspector or registered code agency, as the case may be, shall, not later than five days after receipt of the notice, undertake a site inspection of the sewage system to which the notice relates.

    (2.1)Where a notice given under Sentence 1.3.5.1.(2) relates to matters described in Clause 1.3.5.1.(2)(q), an inspector or registered code agency, as the case may be, shall, not later than ten days after receipt of the notice, undertake a site inspection of the building to which the notice relates.

    (3)When undertaking an inspection required under Sentence (1), (2) or (2.1), the inspector or registered code agency, as the case may be, may consider reports concerning whether the building or a part of the building complies with the Act or this Code.

    (4)For greater certainty, when undertaking an inspection required under Sentence (1), (2) or (2.1), the inspector or registered code agency, as the case may be, may choose to not attend at the physical site of the building and may instead undertake the inspection using other means.

    (5)The time periods referred to in Sentences (1), (2) and (2.1) shall begin on the day following the day on which the notice is given.

    (6)The time periods referred to in Sentences (1), (2) and (2.1) shall not include Saturdays, holidays and all other days when the offices of the principal authority are not open for the transaction of business with the public.

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  • OBC Div. C 1.3.5.4. Construction of Sewage Systems

    (1)The following information is prescribed for the purposes of subsection 15.12(3) of the Act and must be provided to the chief building official before the commencement of the construction of a sewage system:

    (a)the information described in Sentence 3.3.4.1.(2) as it relates to,

    (i)the person registered under Article 3.3.3.2., and

    (ii)the person with the qualifications described in Clause 3.3.3.2.(1)(a) who will supervise construction on-site of the sewage system, and

    (b)the name and telephone number of the representative of the person described in Subclause (a)(i) who may be contacted by the chief building official in respect of the construction of the sewage system.

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  • OBC Div. C 1.3.6.1. Application

    (1)Where a by-law, resolution or regulation has been made by a principal authority under clause 7(1)(g) of the Act, the chief building official may require that as constructed plans for the whole of, or any part or system of, a building or any class of buildings be provided by the persons responsible for the construction.

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  • OBC Div. C 1.8.1.1. Language Used on Required Signs

    (1)All required signs in this Code shall be displayed in the English language or in the English and French languages, including operational material on all life safety equipment and devices.

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  • OBC Div. C 1.11.1.1. Scope

    (1)This Section applies to houses that,

    (a)have not more than one dwelling unit,

    (b)are 37 m² or less in building area, and

    (c)are to be,

    (i)partially constructed in one municipality and moved to be installed at a location in another municipality without having been previously occupied, or

    (ii)partially constructed at one location and moved to be installed at a location that is not yet known without having been previously occupied.

    (2)Except as provided in this Section, the requirements in this Part apply to houses described in Sentence (1).

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  • OBC Div. C 1.12.1.1. Certification and Compliance

    (1)Except as provided in Sentence (2), a manufactured building or a manufactured part of a building within the scope of Part 3 is deemed to comply with this Code if it is certified in accordance with CSA A277, “Procedure for Certification of Prefabricated Buildings, Modules, and Panels.”

    (2)The requirements of this Code shall apply to,

    (a)building components designed and constructed outside the place of manufacture, and

    (b)site installation of such buildings.

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