NYCHA CAD & BIM Standards Guide

Public reference — AutoCAD & Revit

NYCHA CAD/BIM Standards

Essential standards and best practices for NYCHA AutoCAD and Revit projects. Use these guidelines to ensure consistent, compliant deliverables.

CAD/BIM Standards Documents
NYCHA BIM Project Execution Plan

NYCHA BIM Project Execution Plan_v1.0.pdf

A document that outlines the strategy, processes, and protocols for managing a Building Information Modeling (BIM) project from initiation to completion.

Purpose: It establishes:

  • The roles and responsibilities of project team
  • Defines BIM goals and objectives
  • Outlines the workflow for model creation, coordination, and information exchange
NYCHA Manual

NYCHA BIM_CAD Manual of Practice.pdf

A document that outlines the guidelines and requirements for implementing a Computer Aided Design (CAD) or a Building Information Modeling (BIM) in a construction or design project.

Purpose: It serves as a reference guide for project teams, providing instructions on the use of:

  • CAD Software (AutoCAD)
  • BIM software (Revit)
  • Data exchange protocols (CAD -> RVT -> PDF, etc.)
  • Model quality assurance procedures (LOD’s)

AutoCAD Standards

CAD Standards

Essential standards and best practices for AutoCAD projects

User Profile

Recommended workspace settings

Load NYCHA user profile by entering Options on the Profiles tab
Set up tool palettes and shortcuts
Configure drawing units and precision
Customize ribbon and workspace layout

Reference Documents

Templates

NYCHA-compliant DWT templates

Start with approved DWT template
Templates include preset layers and settings
Verify template version and compatibility
External References (Xref's)

Managing external reference files

Use Xrefs for titleblocks and base drawings
Set proper paths for external references
Maintain Xref file organization
Do not change the name of the Xref file
Verify all Xrefs are properly attached on specified layer
Layers

Standard naming conventions for all drawing layers

Use NYCHA-approved layer naming structure
Follow discipline prefixes (A-, S-, M-, E-, P-)
Maintain consistent layer properties
Reference layer standards document in server folder
Plot Styles

Digital and hardcopy plotting standards

Use NYCHA CTB or STB files
Configure plot style tables correctly
Set proper pen weights and colors
Test plots before final output
Sheet Sets & Organization

Organizing deliverables and schedules

Follow NYCHA sheet numbering system
Use sheet set manager for drawing organization
Create schedules using standard formats
Maintain proper folder hierarchy
Quick Reference Checklist
1
Set up standard project folder structure
2
Load NYCHA user profile settings
3
Start with NYCHA-approved DWT template
4
Xref standard titleblock into drawing
5
Follow NYCHA sheet numbering system
6
Use NYCHA-approved layer naming structure
7
Apply NYCHA CTB/STB plot style tables
8
Attach Xrefs on proper layers
9
Do not change Xref file names
10
Use DWG To PDF.pc3 for PDF outputs
11
Configure correct plotter for print jobs
12
Apply NYCHA-Plot Style.ctb
13
Verify all settings before final output

NYCHA Analysis & Standards Portal — Public Reference