4 LEVELS OF BIM DEVELOPMENTS 6 New Zealand BIM Integration 8 Project description: The Sydney Opera House 8 BIM Execution Plan 11 BIM tools and technologies 14 Conclusion 16 Suggestion on how to Improve BIM (Critical Evaluation) 17 Recommendation 18 References 19 APPENDIX 21 Abstract Building Information Modelling (BIM) is supported by different technologies, tools and contracts which are involved that are involved in the management and generation of digital image of physical and practical characteristics. This aids as a sharedinformation and knowledge source for