0742 PRODUCTS FOR CARPENTRY WORK
07421 Posts
Posts for carpentry shall be eucalyptus, Kerero, Tid or other equivalent and approved wood product. Posts shall be uniform in diameter. Posts that have developed cracks shall not be used. Posts shall be pealed off and allowed to season until the acceptable moisture content is achieved.
Eucalyptus and Kerero posts to be exposed to weather or buried below ground shall be pressure impregnated.
Tid posts to be buried below ground shall receive three coats of approved external preservative. Eucalyptus and Kerero posts for use in weather protected areas or covered by other material shall receive three coats of approved wood preservative.
07422 Timber
Carpentry timber shall be sawn Zigba, Tid, Kerero, Wanza, etc., or other approved wood product. Zigba, Kerero and other approved timber to be buried below ground or exposed to weather shall be pressure impregnated.
Tid timber to be buried below ground shall receive three coats of approved external preservative. Zigba, Kerero and other approved timber to be used in weather-protected areas or covered by other material shall receive three coats of approved wood preservative.
Carpentry timber shall be new and to be used for the intended purpose only. Carpentry timber shall be sawn on all faces to the specified dimensions and within allowable deviations.
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