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Planning interdisciplinary openings in concrete floors and walls using BIM Mona Nilsen Ervik

Planning interdisciplinary openings in concrete floors and walls using BIM Mona Nilsen Ervik. Situation to which the method applies: . All building projects where different disciplines need to pass trough concrete walls or slabs with their pipes and cables. . .

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Planning interdisciplinary openings in concrete floors and walls using BIM Mona Nilsen Ervik

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  1. Planning interdisciplinaryopeningsin concretefloorsand wallsusing BIMMona Nilsen Ervik

  2. Situation to which the method applies: All building projects where different disciplines need to pass trough concrete walls or slabs with their pipes and cables. • . Core drilling on site is the normal method, but with the right planning many of the holes could and should be planned and performed before concreting.

  3. Recommendation on how to implement it including cost of implementation • Must be coordinated in ICE-sessions and be drawn into model. Estimated cost pr project: 10.000 NOK • Need to implement decisions about who does what in contract and in BIM manual. Estimated cost: 1000 NOK

  4. Quantified benefits: • Around 1400 NOK on average can be saved per hole. • Estimated ca 300 holes suitable for this method on Origo. 420.000 NOK saved. • Other benefits on site: Saved time, less coordination effort, less human resources. Core drilling on site results in rigging, cleaning, extra time spent, extra people to coordinate, use of more concrete then necessary and need for disposal of excess concrete afterwards.

  5. Application of the method at NCC • Written recommendation in the common NCC BIM-manual • Networking with colleauges and presentations at gatherings • Collecting metrics and experiences to “lessons learn reviews” • Improve the contracts with the affectedadvisors on this subject in general in NCC Reference project The method is in use on an ongoing project in Trondheim. The holes/recesses are planned in ICE-sessions and drawn in model but the build has not come far enough to collect results.

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