Lets look at some of the primary reasons why specification is essential to the construction process . The specification provides clear instructions on project intent, performance and construction. . It can reference the quality and standards which should be applied. . Materials and manufacturers See more. Specifications used to be one of the last items written before issuing a tender package however this has changed over time, especially since the advent of BIM. Nowadays, the best practice is to begin specification writing See more. In essence, specification is about data communication and information exchange between client, designer and contractor. As project data requirements become more complex and See more. NBS Sourcebrings together NBS BIM Library, NBS Plus and the RIBA Product Selector, providing a single source for product information that seamlessly integrates into a projects workflow and provides an See more. NBS Chorus is a flexible cloud-based specification platformthat allows you to access y