Smart Civil Engineer

09/09/2026

https://youtu.be/qBkMKVO83fA👆👆👆
Chimney Dimensions: ✔ Height = 10 m
✔ Top Diameter = 4 m
✔ Bottom Diameter = 6 m
✔ Brick Size = 190 × 90 × 90 mm
✔ Practical brickwork estimation
✔ Chimney volume calculation
✔ Approximate number of bricks
✔ Mortar quantity
✔ Step-by-step civil engineering calculation
This video is useful for Civil Engineers, Quantity Surveyors, Estimators, Site Engineers, Students, and Construction Professionals.

In this video, we explain the complete estimation and quantity calc...

08/09/2026

Stair Estimation ✅

08/09/2026

👉 :24 KM Road


📏 Length: 24,000 m
📐 Width: 7.0 m
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➡️ Total Area = 24,000 × 7 = 168,000 m² ✅

💧 Application Rates & Calculations:
1️⃣ Light (0.15 L/m²)
= 168,000 × 0.15 = 25,200 L
= 25,200 × 0.98 = 24.696 t ≈ 27.17 t (with +10%)

🛢️ Drums = 25,200 ÷ 200 = 126 drums
2️⃣ Typical (0.25 L/m²)
= 168,000 × 0.25 = 42,000 L
= 42,000 × 0.98 = 41.16 t ≈ 45.28 t (with +10%)

🛢️ Drums = 42,000 ÷ 200 = 210 drums
3️⃣ Heavy (0.40 L/m²)
= 168,000 × 0.40 = 67,200 L
= 67,200 × 0.98 = 65.856 t ≈ 72.44 t (with +10%)

🛢️ Drums = 67,200 ÷ 200 = 336 drums

📊 Analysis:

•Light coat 🔹 used on dense & smooth asphalt → saves cost but weaker bonding.

•Typical coat 🔹 best balance → strong bond, widely adopted in road projects.

•Heavy coat 🔹 for porous / rough surfaces → ensures bonding but cost is higher.

•+10% wastage included for handling & spraying losses.
✅ Tack coat = essential bonding layer that prevents layer slippage, increases durability & extends pavement life.

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06/09/2026

👉 FIDIC Red Book — Conditions of Contract for Construction

The FIDIC Red Book is one of the most widely used international standard forms of construction contract. It is mainly intended for building and engineering projects where the design is provided by the Employer or the Engineer, while the Contractor is responsible for constructing the Works according to that design.

The current major edition is the Second Edition 2017, which updated the earlier 1999 Red Book. The 2017 edition provides more detailed requirements for notices and communications, claims, dispute avoidance, quality management, and verification of the Contractor's contractual compliance.

➡ Important areas covered by the Red Book

✔Employer's and Contractor's responsibilities

✔Role and authority of the Engineer

✔Contract documents and priority

✔Commencement and Time for Completion

✔Performance Security

✔Quality control and testing

✔Measurement and payment

✔Variations and changes to the Works

✔Extension of Time (EOT)

✔Contractor's and Employer's claims

✔Delays and suspension

✔Taking-Over of the Works

✔Defects Notification Period

✔Final payment and completion

✔Dispute avoidance and dispute resolution

✔Termination and related procedures

For engineers, quantity surveyors, project managers, consultants, contractors, and government project officials, understanding the Red Book is particularly useful for managing construction contracts, variations, claims, EOT, payments, delays, and disputes.

The 1999 Red Book remains important because it has been widely used internationally, while the 2017 Red Book is the newer edition.

📖 Read more / Official FIDIC Red Book:https://t.me/SmartcivilengineerSCE/4032

01/09/2026

Easy Know Design of Footing 👇

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23/08/2026

Retaining Wall Estimation — How Much Material? .

22/08/2026

How to Calculate Concrete for a Staircase?😳

17/08/2026

Concrete Mix Calculation for 2500 psi (M20) - Ratio 1:1.5:3

To achieve a concrete mix with a strength of 2500 psi (M20), using a ratio of 1:1.5:3 for cement, sand, and aggregate, follow these steps:

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Step-by-Step Calculation

1. 📏 Volume of Concrete

Assume we need 1 cubic meter (m³) of concrete.

2. 🔢 Mix Ratio Calculation

Total mix ratio: 1 + 1.5 + 3 = 5.5

3. 🪨 Cement Calculation

Volume of cement = (1 / 5.5) × 1 m³ = 0.182 m³

Weight of cement = 0.182 m³ × 1440 kg/m³ = 262 kg

Assuming 50 kg per bag, you’ll need about 5.24 bags of cement.

4. 🏖️ Sand Calculation

Volume of sand = (1.5 / 5.5) × 1 m³ = 0.273 m³

Weight of sand = 0.273 m³ × 1600 kg/m³ = 437 kg

5. 🪨 Aggregate Calculation

Volume of aggregate = (3 / 5.5) × 1 m³ = 0.545 m³

Weight of aggregate = 0.545 m³ × 1450 kg/m³ = 790 kg

6. 💧 Water Requirement

With a water-cement ratio of 0.5, water needed = 0.5 × 262 kg = 131 liters

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📋 Summary of Materials for 1 m³ of Concrete (1:1.5:3 Ratio)

🪨 Cement: 262 kg (approx. 5.24 bags)

🏖️ Sand: 437 kg

🪨 Aggregate: 790 kg

💧 Water: 131 liters

♤ [𝒇𝒐𝒍𝒍𝒐𝒘 𝒎𝒆 𝒑𝒍𝒆𝒂𝒔𝒆]♤
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joint My channal :https://t.me/SmartcivilengineerSCE/3512
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17/08/2026

Must Know Engineer 👍

16/08/2026

For Every Civil Engineer 👍