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NS 3451:1988 PDF

Table for building elements

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NS 3451:2006 PDF

Table for building elements

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NS 3451:2009+A1:2019 PDF

Table of building elements

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NS 3451:2009 PDF

Table of building elements

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NS 3451:2022 PDF

Table of building elements and table of codes for systems in buildings with associated outdoor areas

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NS 3453:1987 PDF

Specification of building costs

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NS 3453:2016 PDF

Specification of costs in building projects

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NS 3454:1988 PDF

Yearly life cycle costs for buildings

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NS 3454:2000 PDF

Life cycle costs for building and civil engineering work — Principles and classification

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NS 3454:2013/AC:2013 PDF

Life cycle costs for construction works - Principles and classification

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