🏗️ Beam-Column Drawing
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Beam-column drawing in Chennai — RCC element detailing

Detailed beam-column drawings showing sizes, reinforcement and layout — drawn by Homeli's retained structural engineer per IS:456 for every Chennai house structurally.

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Quick answer

Beam-column drawings are part of the structural set: column schedule (sizes, reinforcement, RCC grade), beam layout per floor (plinth, lintel, roof) with cross-section details. Drawn per IS:456. Critical for site execution — contractors build from these drawings, not architectural plans. Bundled into Homeli's full architectural package.

What beam-column drawings show

Why these drawings matter at site

Architectural drawings show what the building looks like; beam-column drawings show how it stands up. The contractor needs both. Beam-column drawings tell the steel fabricator exactly how much steel to cut, bend and place — wrong sizes lead to either weak structures (dangerous) or over-built ones (wasteful). Drawings also tell the formwork carpenter where to box up forms for the concrete pour.

Common sizes for Chennai residential

ElementTypical size (G+1)Reinforcement
Column230×300mm or 230×450mm4-12mm + 8mm stirrups
Plinth beam230×300mm4-12mm top + 4-12mm bottom + 8mm stirrups
Lintel beam230×200mm4-10mm + 6mm stirrups
Roof beam230×450mm5-16mm bottom + 4-12mm top + 8mm stirrups

Actual sizes vary per span, loads and engineer's calculation.

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Frequently asked

What is a beam-column drawing?
A structural drawing showing the sizes, reinforcement and layout of beams and columns in a building. Part of the RCC structural drawing set. Used by contractors and steel fabricators to build the structure correctly. Drawn by a registered structural engineer.
Why do I need beam-column drawings if I have architect drawings?
Architect drawings don't show structural details — they show layout and dimensions, not column sizes or reinforcement. Without beam-column drawings, the contractor guesses, leading to either dangerous under-building or wasteful over-building. CMDA requires both architectural and structural drawings for G+1 and above.
How much do beam-column drawings cost in Chennai?
Bundled into the full structural drawing set at ₹8-18 per sq ft of built area. Cannot be priced separately from foundation and slab drawings — they're parts of the same set. For a 1,500 sq ft G+1: ₹15,000-22,500 for the complete structural set including beam-column.
Who can draw beam-column drawings?
A registered structural engineer with appropriate qualification (M.Tech Structural or equivalent civil engineering with structural experience). Architect drawings cannot substitute. Self-drawn or app-generated drawings are not CMDA-accepted.
Can I get beam-column drawings without an architect?
You need architectural drawings (or at minimum a finalised floor plan with dimensions) before structural drawings can be made. Structural design depends on architectural layout. Hiring just a structural engineer without an architect works if you already have layout drawings; in most cases, hiring an integrated firm (like Homeli) is cleaner.
How long do beam-column drawings take?
1-2 weeks after architectural plans are finalised. The structural engineer analyses loads, sizes columns and beams, details reinforcement, and produces drawings. Quicker for standard residential; longer for complex projects.

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