PPD - Basic Organization

Preliminary Project Descriptions (PPD) are a formal method of presenting construction project data in a consistent, organized fashion. PPDs are arranged by element name, functional requirements, and system components - using the same organization as..

The Times They Are A-Changin'

Ira Bloomenthal's CONSTRUCT2013 keynote address slide

Linking BIM and Specs Through PPDs

Technology provides a means to connect data. Standards provide the organizations that make the data connections meaningful.

Specifications Formats & Processes

Construction specifications contain data, lots of data. These data must be easily found by the hundreds of individuals involved in any construction project - not just the architect and contractor, but the subcontractors, materials distributors,..

Specification Work Flow

It's linear - just like design! Start at the beginning and finish at the end. Straight line. No sidesteps. No circling back. No changed minds. Smooth sailing start to finish.

Before Design Begins

An idea is formed. A new product or service is required. A need for a building emerges. What is the next step - a napkin concept sketch of a building form?

Linking BIM to Specifications

The promise of BIM (Building Information Modeling) is that project data can reside in the model and can be extracted by anyone in a form for every purpose. The reality is that useful data extraction is entirely dependent on valid data input.

Building Design and Documentation Are Iterative

Building design starts with a concept, a sketch at a macro scale. At the first stroke of the designer's hand, there is no concern for concrete strength, nor concrete as a building material. The initial sketch may be a simple massing study to determine..

Are Outline Specs Necessary?

A very good question. By searches on this blog, it is one question that definitely wants to be answered. Something must be necessary, but is it really an outline specification?

Why are Preliminary Project Descriptions (PPDs) Important?

Short Answer: PPDs document the architect's intended project quality.

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