Engineering Knowledge Base

Blog

Guides, standards and workflows for CAD, BIM and structural engineering — from the team behind CadnPDF.

All Articles

65 articles
AutoCAD

Introduction to Civil 3D: Surfaces, Alignments, and Corridors

Civil 3D is AutoCAD's intelligent cousin for civil engineering — surfaces, alignments, profiles, corridors, and pipe networks that update automatically when design inputs change. A clear introduction to how it works and why it is different from plain AutoCAD.

July 4, 2026 3 min read
BIM

Phasing and Design Options in Revit

Revit phasing handles time — existing, demolition, new construction — while design options manage design alternatives. A clear guide to how both features work, how phase filters control views, and how to combine them on complex projects.

July 4, 2026 3 min read
BIM

Revit Worksharing and Worksets Explained

Revit worksharing lets multiple team members work on the same model simultaneously. How central files, local copies, and worksets work, plus the daily habits that keep collaborative modelling running without conflicts.

July 4, 2026 3 min read
BIM

How to Write a BIM Execution Plan (BEP)

A BIM Execution Plan (BEP) governs how BIM is implemented on a project. What goes in one, the difference between pre- and post-appointment BEPs, practical writing tips, and how to keep it live through the project lifecycle.

July 4, 2026 3 min read
BIM

Clash Detection in BIM: A Practical Workflow

Clash detection finds conflicts between discipline models before construction begins. A practical guide to hard and soft clashes, federated models, Navisworks and Solibri workflows, clash rules, and BCF-based issue tracking.

July 4, 2026 3 min read
BIM

ISO 19650 Explained: BIM Standards for Project Delivery

ISO 19650 is the international standard for managing information over the whole life cycle of a built asset using BIM. A clear explanation of what it covers, how Parts 1 and 2 work together, and what it means for your project delivery workflow.

July 4, 2026 3 min read