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Posts and poles can be treated directly on endangered areas, but should be treated at least 30 cm (0.98 ft) above the future ground level. The depth obtained during regular steeping periods varies from 5 to 10 mm (0.20 to 0.39 in) up to 30 mm (1.2 in) by sap pine.
Hancock Victorian Plantations (HVP) was a new, Australian registered company. The capital came primarily from various Australian and US superannuation/pension funds. UniSuper was a major local shareholder at the time, as was the Chicago Police Dept pension fund. Initial ownership was I about 55% Australian.
Three of the processes are performed in one step, using oil (oil-heat treatment), nitrogen (Reti wood) and steam (Le-Bois Perdure). [1] The Thermo wood process consists of drying, heat treatment and finally cooling/conditioning, and takes up to 72 hours. [4]
Sustainable Timber Tasmania, formerly Forestry Tasmania, is a government business enterprise owned by the Government of Tasmania, Australia.It is responsible for the management of public production forest in Tasmania, which is about 800,000 hectares of crown land (public land) that is classified as 'permanent timber production zone'.
Chromated copper arsenate (CCA) is a wood preservative containing compounds of chromium, copper, and arsenic, in various proportions.It is used to impregnate timber and other wood products, especially those intended for outdoor use, in order to protect them from attack by microbes and insects.
[citation needed] PSL can be made from any wood species, but Douglas fir, southern pine, western hemlock, and yellow poplar are commonly chosen [9] because of their superior strength. The product is manufactured as a 12-by-12-inch (300 mm × 300 mm) or 12-by-18-inch (300 mm × 460 mm) billet in a rectangular cross-section, which is then ...
A photo of the IPPC seal on a wine shipping crate. International Standards For Phytosanitary Measures No. 15 (ISPM 15) is an International Phytosanitary Measure developed by the International Plant Protection Convention (IPPC) that directly addresses the need to treat wood materials of a thickness greater than 6mm, used to ship products between countries.
At the urging of the Governor of Victoria, Lord Henry Brougham Loch, who had served in Bengal cavalry and maintained an interest in forests, and had seen there the results of forest management under the great European foresters Brandis, Schlich and Ribbentrop, the Government invited Conservator Frederick D'A. Vincent from the Imperial Forest Service in India to visit in 1887 and make ...