Don't Make Mistakes When Specifying Masonry

Summary

There are a number of mistakes that architects commonly make during the preparation of project specifications for masonry construction. These errors lead to contractor confusion, deficiencies in the QA programme, and improperly built masonry.  Some of these mistakes are highlighted, and advice is given on the correct approach to writing the specification requirements.  Aspects discussed include: failure to omit irrelevant items; conflicting performance and descriptive requirements; referencing outdated standards; understanding solid masonry units; colour uniformity of units; understanding mortar materials and types; restraint provided by anchors and ties; confusion between mortar, grout and concrete; movement joints; and masonry construction tolerances.   

Primary author(s): Jaffe R

                            NTH Consultants Ltd.

Source: Masonry Constr.

            15,No.6,2002,p.21,24,26,28

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