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Pro. Government, Nelson—Model of Waiau-ua River Bridge. Designed by John Blackott, Esq., Provincial Engineer, and erected by H. Handyside, Esq. All Black Birch |
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Pro. Government, Nelson.—Particulars of Horse Bridge of timber, Amuri, Waiau-ua River. Extreme length of roadway, 320 feet consisting of 32 panels of 10 feet each. Breadth of bridge, 7£ feet; height of roadway from water level, 120 feet; span of arch between main sills, 160 feet; height of main sills above water level, 20 feet; rise of highest floods, about 15 feet; quantity of timber in bridge, 30,550 feet; quantity of ironwork, about 11201bs.
Note.—All the material was prepared at or near Nelson, shipped to Lyttelton, and thence to Saltwater Creek, from where it was carted to the site, a distance of 60 miles. Total cost of bridge, £2,200; or about £'6 18s per lineal foot
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Gully, John, Nelson.—Painting of Handyside's Bridge over River Waiau-ua, showing position of Bridge. |
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Martin, Robert, Nelson.—Model of Iron Roof, with metal, zine, lead, or iron, in small pieces, to prevent cracking from atmospheric action. Patented by E. and Robert Martin. Its advantages are—water tightness, lightness, strength and durability, flatness and economy. It is so fixed that the roof can expand and contract at pleasure. |