theofficeofnilsjohansson

JDS Quick Reference

One-page cheat sheet. For full details, see the Quality Manual.

---

Document Number Format

Technical:  JDS-[CAT]-[DOM]-[NNN]    e.g. JDS-DWG-MEC-003  (3rd mechanical drawing)
System:     JDS-[CAT]-[NNN]          e.g. JDS-PRO-007      (Information Design Standard)
With rev:   JDS-RPT-MAR-001 Rev B

Category Codes

QMS	PRO	RPT	MAN	DWG	PRJ	LOG	COR	BLG	TSH	EXP	TMP
Quality	Procedures	Reports	Manuals	Drawings	Projects	Logs	Letters	Blog	Timesheets	Expenses	Templates

Domain Codes

MEC	MAR	AUT	ELE	PIP	STR	TST	FAB	THR	SFW	GEN
Mechanical	Marine	Automation	Electrical	Piping	Structural	Testing	Fabrication	Thermal	Software	General

Revision Sequence

A  B  C  D  E  F  G  H  J  K  L  M  N  P  R  T  U  V  W  Y

Skip: I, O, Q, S, X, Z (avoid confusion with numbers and other letters)

---

New Document Checklist

1. Pick a number — next available in document-register.md
2. Copy the template — from templates/ for your document type
3. Fill the status block — Doc No, Rev A, DRAFT, Date, Author
4. Register it — add a row to document-register.md
5. Commit — run python3 scripts/jds-validate.py --quick first

Status Block Format

Every JDS document starts with this:

| **Document No.** | JDS-RPT-MEC-001 |
| **Revision**     | A                |
| **Status**       | DRAFT            |
| **Date**         | 2026-03-25       |
| **Author**       | Nils Johansson   |

Valid statuses: DRAFT → CURRENT → SUPERSEDED / VOID

---

Where Things Go

Document type	Folder
Engineering projects	projects/JDS-PRJ-[DOM]-NNN_name/
3D models & drawings	projects/3d-modeling/JDS-DWG-[DOM]-NNN_name/
Blog posts	projects/blog/_posts/YYYY-MM-DD-slug.md
System procedures	jds/procedures/
Templates	jds/templates/[type]/
Examples	jds/examples/[type]/
Timesheets & expenses	Generated on demand (not stored in Git)

---

Common Commands

# Generate a PDF from markdown
python3 scripts/md2pdf.py <input.md> [output.pdf]

# Generate a letter PDF
python3 scripts/md2letter.py <input.md> [output.pdf]

# Generate office documents (timesheet, expense, mileage)
python3 scripts/generate-office-docs.py timesheet|expense|mileage|all [output]

# Generate PDF from Excel workbook
python3 scripts/office2pdf.py <input.xlsx> [output.pdf]

# Run system audit (do this before every commit)
python3 scripts/jds-validate.py

# Quick registry check only
python3 scripts/jds-validate.py --quick

---

3D Model Mandatory Exports

Every 3D project must export all three: STEP + 3MF + STL

Folder structure: source/ exports/ references/ renders/

---

*Full system reference: jds/README.md

Quality Manual: QMS-000

Document Register: registry*