Great question 👍 — because in interiors, carpentry, electrical, plumbing, false ceiling, and painting all overlap. If not coordinated properly, it causes rework, delays, and cost overruns. A good designer must have a clear vendor coordination system.

✅ How a Professional Designer Handles Vendor Coordination

Table of Contents

1. Single Point of Contact (SPOC)

You should only deal with one person (designer/project manager).
They handle all communication with carpenter, electrician, plumber, painter.
Avoids confusion & “he said–she said” issues.

2. Detailed Working Drawings

Designer issues 2D drawings for each trade:
- Electrical layout (switchboards, light points).
- Plumbing layout (water inlets/outlets, geyser, sink).
- False ceiling plan (cutouts for lights, AC ducts).
- Furniture detail drawings.
Vendors work from these approved drawings → no guesswork.

3. Sequencing & Scheduling

Designer prepares a milestone schedule so trades don’t clash:
- Electrical + plumbing rough-in → false ceiling → carpentry → painting → fittings → final cleaning.
Weekly coordination meetings/site updates keep everyone aligned.

4. Supervision & Site Checks

Site supervisor checks if vendors follow drawings.
Approvals are taken at key stages (before closing walls, before laminate finishing, before ceiling paint).

5. Vendor Tie-Ups

Many designers have trusted vendors for electricals, plumbing, laminates, and hardware (Häfele, Hettich, Asian Paints, Dr. Fixit).
This saves time vs hiring unknown contractors.

💡 What You Should Ask Your Designer

Who will be the single point of contact managing all vendors?
Do you prepare detailed working drawings for each trade?
How often will you conduct coordination meetings/site checks?
Do you have preferred vendor tie-ups (for reliability & discounts)?
If vendors don’t coordinate, who takes responsibility for delays or mistakes?

⚠️ Red Flags

Designer tells you: “You can talk directly to carpenter/electrician.” 🚩 → no accountability.
No working drawings — vendors just “figure it out” → mistakes inevitable.
No fixed site supervisor.

✅ Pro Tip

Ask your designer to give you a Vendor Coordination Plan:

One SPOC (project manager/designer).
Drawings for every vendor.
Weekly WhatsApp updates with site photos showing progress trade-wise.

👉 Would you like me to prepare a ready-to-use Vendor Coordination Checklist (with sequence + responsibilities for carpenter, electrician, plumber, painter, false ceiling) that you can hand to your designer to make sure nothing slips through?

How do you handle vendor coordination (carpenter, electrician, plumber)?