B 18
[Subsidiary]
CAP. 1231
Building (Construction) Regulations
[1985 Ed.
Timber.
L.N. 294/76.
L.N. 294/76.
Materials for damp-proofing.
22. (1) Structural timber shall be--
(a) (i) Oregon Douglas Fir (Pseudotsuga taxifolia (Poiret) Britton);
(ii) Longleaf Pine or Pitch Pine (Pinus Palustris Miller);
(iii) Shortleaf Pine or Pitch Pine (Pinus echinata Miller); or
(iv) Keruing (Dipterocarpus Spp.),
which for the purpose of these regulations shall be known as Class A timber;
(b) (i) Canadian Spruce (Picea glauca (Moench) Voss);
(ii) European Larch (Larix decidua Miller), Red Pine (Pinus resinosa Aiton);
(iii) Western Hemlock (Tsuga heterophylla (Refines-que) Sargent), Common Spruce or White Fir (Picea abies (Linnaeus) Karsten); or
(iv) Red Meranti/Red Seraya, Red Lauan (Shorea Spp.),
which for the purpose of these regulations shall be known as Class B timber; or
(c) such other timber as the Building Authority may approve as being suitable, having regard to the particular circumstances of the case.
(2) The provisions of paragraphs A2-A17 inclusive of Appendix A to C.P. 412:Part 2:1971 shall apply to all timber to be used for structural purposes and such timber shall comply with the minimum requirements for 50 grade timber as required by Appendix A to C.P. 112:Part 2:1971.
(3) Structural timber (other than tiling battens) shall be properly seasoned and when tested by the methods described in Appendix A to C.P. 112:Part 2:1971 the moisture content shall not exceed 22 per cent.
23. Materials for damp-proofing shall consist of
(a) sheet lead or sheet copper;
(b) asphalt;
(c) self-finished bitumen impregnated felt laid in bitumen;
(d) a core of sheet lead and bituminized hessian cloth between 2 layers or coats of bitumen surfaced with talc or other suitable material;
(e) a core of sheet lead between 2 layers of bituminized felt fibre coated with bitumen and surfaced with talc or other suitable material; or
(f) any other suitable material or combination of materials, which the Building Authority may approve as being durable, impervious to moisture and in all other respects suitable for their purpose, having regard to the particular circumstances of the case.
B 18
[Subsidiary]
CAP. 1231
Building (Construction) Regulations
[1985 Ed.
Timber.
LK, 294/76.
L.X. 294/76.
Materials for damp-proofing.
22. (1) Structural timber shall be--
{4} (i) Oregon Douglas Fir (Pseudotsuga taxifolia (Poiret)
Britton);
(b)
(ii) Longleaf Pine or Pitch Pine (Pinus Palustris Miller); (iii) Shortleaf Pine or Pitch Pine (Pinus echinata Mil- ler); or
(iv) Keruing (Dipterocarpus Spp.),
which for the purpose of these regulations shall be known as Class A timber;
(i) Canadian Spruce (Picea glauca (Moench) Voss); (ii) European Larch (Larix decidua Miller), Red Pine (Pinus resinosa Aiton);
(iii) Western Hemlock (Tsuga heterophylla (Refines- que) Sargent), Common Spruce or White Fir (Picea abies (Linnaeus) Karsten); or
(iv) Red Meranti/Red Seraya, Red Luaun (Shorea Spp.). which for the purpose of these regulations shall be known as Class B timber; or
(c) such other timber as the Building Authority may approve as being suitable, having regard to the particular circum- stances of the case.
(2) The provisions of paragraphs A2-A17 inclusive of Appen- dix A to C.P. 412:Part 2:1971 shall apply to all timber to be used for structural purposes and such timber shall comply with the minimum requirements for 50 grade timber as required by Appendix A to C.P. 112:Part 2:1971.
(3) Structural timber (other than tiling battens) shall be properly seasoned and when tested by the methods described in Appendix A to C.P. 112:Part 2:1971 the moisture content shall not excced 22 per cent.
23. Materials for damp-proofing shall consist of
(a) sheet lead or sheet copper;
(b) asphalt:
(c) self finished bitumen impregnated felt laid in bitumen: (d) a core of sheet lead and bituminized hessian cloth between 2 layers or coats of bitumen surfaced with talc or other suitable material;
(e) a core of sheet lead between 2 layers of bituminized felt fibre coated with bitumen and surfaced with talc or other suitable material; or
(f) any other suitable material or combination of materials. which the Building Authority may approve as being dur- able, impervious to moisture and in all other respects suitable for their purpose, having regard to the particular circumstances of the case.
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