| 摘要 |
<p>A base structure for a building to be constructed adjacent an existing wall comprises a plurality of beams 11,12,13,14 for assembly into an open framework on which parts of the building can be mounted, a plurality of height-adjustable supports 25 for supporting parts of the framework above a support surface, and means (elongate holes 26,27 Fig 4) for securing one of the beams 11 of the framework to the wall to which, in use, it is adjacent. <IMAGE></p> |
