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Before you start: budget heads and the drawings you must have
A short checklist to run through before the first load of steel arrives on your site.
5 min read

Split your budget by head, not by guess
- Civil and finishing works
- Structure: concrete, steel, formwork
- Electrical
- Plumbing and sanitary
- Doors, windows and joinery
- Finishes: flooring, painting, false ceiling
- Statutory approvals, borewell, compound wall, contingency
Keep a contingency you do not touch
Five to ten percent of the total, held aside. Site conditions, soil, and your own late decisions will use part of it. A project without contingency stops midway.
The drawing set you should receive
- Working plans for every floor with dimensions
- Sections and elevations
- Structural GA drawings and details, plus a bar bending schedule
- Electrical and plumbing layouts
- Toilet, kitchen and staircase details
- Door and window schedule
- A coordinated 3D model or walkthrough
Use our free calculators first
Run your built-up area through the construction cost calculator and check the current material rates for your city. It gives you a defensible starting range before you speak to contractors.
Have a project question?
Send your drawings or plot details and we will tell you plainly what BIM would change for your project.