A&J Homes

10/07/2026

10/07/2026

අදහසක් ගැනීම සදහා

10/07/2026

Between Qs, Architect and Civil who is trained to handle material estimate on site?. Thinking about the right profession to engage on this roof estimate

10/07/2026

🏗️ Basic Knowledge Every Site Engineer Should Know

A strong foundation in construction basics helps site engineers improve quality, safety, and ex*****on. Here are the key standard values shown in this guide:

1. 📏 Standard floor-to-floor building height: 3.15 m

2. 🧱 Recommended parapet wall height: 1.00 m

3. 🪟 Standard window height: 1.20 m

4. 🏢 Minimum RCC slab thickness: 125 mm

5. 🔲 Minimum lintel thickness: 150 mm (115 mm may be used in some cases as per design)

6. 💧 Damp Proof Course (DPC) thickness: 25 mm

7. 🔩 Minimum slab reinforcement bar diameter: 8 mm

8. 🏗️ Minimum beam main bar diameter: 12 mm

9. 🏛️ Minimum column main bar diameter: 12 mm

10. ⬜ Minimum reinforcement bars in a square column: 4

11. ▭ Minimum reinforcement bars in a rectangular column: 4

12. ⚪ Minimum reinforcement bars in a circular column: 6

13. 📐 Maximum reinforcement chair spacing: 1.0 m

14. 🧰 Standard weight of one cement bag: 50 kg

15. 🔗 Minimum dowel bar diameter: 12 mm

⚠️ Note: These are commonly used site reference values. Always follow the approved structural drawings, project specifications, and the applicable building codes for your country.

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10/07/2026

Steel calculation shortcut

10/07/2026

Decking (Metal Deck Slab) – Details

Decking is a structural system that uses profiled steel sheets as permanent formwork for reinforced concrete slabs. During construction, the steel deck supports wet concrete and workers. Once the concrete hardens, the deck and concrete act together as a composite slab, providing excellent strength, stiffness, and load-carrying capacity.

Key Components

Metal decking sheet

Reinforcement mesh

Concrete slab (cast in-situ)

Shear studs

Steel beams

Types of Decking

Composite steel decking

Non-composite steel decking

Timber decking

Concrete decking

Composite decking

Advantages

Faster construction

Permanent formwork

Reduced labor and material costs

High load-carrying capacity

Lightweight and durable

Improved structural performance

Safe working platform during construction

Common Applications

Multi-storey buildings

Commercial complexes

Warehouses

Industrial sheds

Parking structures

Hospitals and educational buildings

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10/07/2026

NEW HOUSE DESIGN | A&J HOMES 🏡
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10/07/2026

🏡 NEW HOUSE DESIGN – KULIYAPITIYA 🏡
කුලියාපිටියේ දිනුෂි තිලකරත්න මහත්මිය සඳහා අප විසින් නිර්මාණය කළ නව නිවාස සැලසුම.
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ඔබගේ අවශ්‍යතාවය, ඉඩමේ ප්‍රමාණය සහ අයවැය අනුව නවීන, අලංකාර සහ ප්‍රායෝගික නිවාස සැලසුම් සකස් කර දෙනු ලැබේ.
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