OBC 2006 › Division B
9.15.3.4.
Version 1 — in force 1 January 2010
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- Edition
- OBC_2006
- Division
- B
- Provision
- 9.15.3.4.
- Version
- v1
240. (1) Subject to subsections (2), (3), (4), (5), (6) and (7), this Regulation comes into force on the later of January 1, 2010 and the day this Regulation is filed.
Read directly from the regulation's own commencement section.
O. Reg. 503/09 · commencement 240(1)
This version stayed in force until the next edition replaced it. What follows is that edition’s base regulation’s commencement — the takeover that ended this one.
(1) Subject to Sentences (2) and (3), this Regulation comes into force on January 1, 2014.
Read directly from the regulation's own commencement section.
O. Reg. 332/12 · commencement 4.4.1.1(1)
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Tell us what is wrong and we will verify & correct our mapping.
- Edition
- OBC_2006
- Division
- B
- Provision
- 9.15.3.4.
- Version
- v1
240. (1) Subject to subsections (2), (3), (4), (5), (6) and (7), this Regulation comes into force on the later of January 1, 2010 and the day this Regulation is filed.
Read directly from the regulation's own commencement section.
O. Reg. 503/09 · commencement 240(1)
This version stayed in force until the next edition replaced it. What follows is that edition’s base regulation’s commencement — the takeover that ended this one.
(1) Subject to Sentences (2) and (3), this Regulation comes into force on January 1, 2014.
Read directly from the regulation's own commencement section.
O. Reg. 332/12 · commencement 4.4.1.1(1)
Provenance
OBC 1997 · split from 9.15.3.3. — Pro
OBC 1997 · continues from 9.15.3.4. — Pro
Base · O. Reg. 350/06 · ext v0 →
O. Reg. 503/09, cl. 158 · ext ← current
In force 2010-01-01
OBC 2012 · continues as 9.15.3.4. — Pro
9.15.3.4. — Basic Footing Widths and Areas
Comparing versions
Changed text stands out · unchanged is dimmed
v0 base
Earlier · 2006-12-31(1) Except as provided in Sentences (2) and (3) and in Articles 9.15.3.5. to 9.15.3.7., the minimum footing width or area shall comply with Table 9.15.3.4.
(2) Where the supported joist span exceeds 4.9 m in buildings with light wood-framed walls, floors and roofs, footing widths shall be determined according to,
(a) Section 4.2., or
(b) the following formula:
W = w • [∑ sjs / (storeys • 4.9)]
where,
W = minimum footing width,
w = minimum width of footings supporting joists not exceeding 4.9 m, as defined by Table 9.15.3.4.,
∑ sjs = the sum of the supported joist lengths on each storey whose load is transferred to the footing, and
storeys = number of storeys supported by the footing
(3) Where a foundation rests on gravel, sand or silt in which the water table level is less than the width of the footings below the bearing surface,
(a) the footing width for walls shall be not less than twice the width required by Sentences (1) and (2), and Articles 9.15.3.5. and 9.15.3.6., and
(b) the footing area for columns shall be not less than twice the area required by Sentences (1) and (2), and Article 9.15.3.7.
v1 O. Reg. 503/09
Later · viewing · 2010-01-01(1) Except as provided in Sentences (2) and (3) and in Articles 9.15.3.5. to 9.15.3.7., the minimum footing width or area shall comply with Table 9.15.3.4.
(2) Where the supported joist span exceeds 4.9 m in buildings with light wood-framed walls, floors and roofs, footing widths shall be determined according to,
(a) Section 4.2., or
(b) the following formula:
W = w • [∑ sjs / (storeys • 4.9)]
where,
W = minimum footing width,
w = minimum width of footings supporting joists not exceeding 4.9 m, as defined by Table 9.15.3.4.,
∑ sjs = the sum of the supported joist spans on each storey whose load is transferred to the footing, and
storeys = number of storeys supported by the footing
(3) Where a foundation rests on gravel, sand or silt in which the water table level is less than the width of the footings below the bearing surface,
(a) the footing width for walls shall be not less than twice the width required by Sentences (1) and (2), and Articles 9.15.3.5. and 9.15.3.6., and
(b) the footing area for columns shall be not less than twice the area required by Sentences (1) and (2), and Article 9.15.3.7.
Provenance
OBC 1997 · split from 9.15.3.3. — Pro
OBC 1997 · continues from 9.15.3.4. — Pro
Base · O. Reg. 350/06 · ext v0 → comparing ×
O. Reg. 503/09, cl. 158 · ext ← current
In force 2010-01-01
OBC 2012 · continues as 9.15.3.4. — Pro