| Engineers-Structural | 工程师-建筑结构 | 
| Steve's Design & Plan Service 92 Oak Drv | |
| LOMFORD ENGINEERS PH: 02 9588 7050 | |
| M.F.HAINES Ph: 9671 1204 4/44 Flushcombe Rd Blacktown NSW 2148 View Google Map 
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| Dynamic Structural Engineering Ph: 02 9713 2224 | |
| Geoff Hopkins & Assoc P/ L Ph: 02 9488 8635 | 
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