IS Codes for JE Civil – Complete Guide with MCQ | RCC, Steel, Soil, EQ

IS CODE FOR JE CIVIL – PART–1
Introduction & Classification (Exam Oriented)

🔹 IS Code क्या है? (What is IS Code?)

IS Code (Indian Standard Code) वे नियम (Rules), Guidelines और Specifications हैं जो भारत में Design, Construction, Material Quality और Safety को standard बनाने के लिए बनाए गए हैं।

IS Code = Safety + Uniformity + Exam Questions

🔹 IS Codes कौन जारी करता है?

भारत में सभी IS Codes जारी करता है:

🏛 Bureau of Indian Standards (BIS)

• स्थापना (Established) → 1947
• मुख्यालय (HQ) → New Delhi
• कार्य → National Standards बनाना

JE Exam Question: IS Codes are published by → BIS

🔹 JE Civil Exam में IS Code क्यों Important?

Exam	IS Code Questions
SSC JE	10 – 15
RRB JE	12 – 18
State JE	8 – 15
AE	15 – 25

IS Code = Sure Shot Marks

🔹 IS Codes – Category Wise Classification

📌 (A) Concrete & RCC IS Codes

IS Code	Subject
IS 456:2000	Plain & Reinforced Concrete
IS 10262	Concrete Mix Design
IS 516	Concrete Strength Test
IS 383	Aggregates
IS 1199	Workability of Concrete

📌 (B) Steel Structure IS Codes

IS Code	Subject
IS 800:2007	Steel Structure Design
IS 808	Rolled Steel Sections

📌 (C) Load & Earthquake IS Codes

IS Code	Subject
IS 875 (Part 1–5)	Dead, Live, Wind, Snow Loads
IS 1893	Earthquake Resistant Design
IS 4326	Earthquake Detailing

📌 (D) Soil & Foundation IS Codes

IS Code	Subject
IS 6403	Bearing Capacity of Soil
IS 1904	Foundation Design
IS 2720	Soil Testing

📌 (E) Water & Environmental IS Codes

IS Code	Subject
IS 10500	Drinking Water Standard
IS 3370	Water Tank Design

🔹 JE Exam में IS Code Question Pattern

• Code Number based → IS 456
• Code + Subject → Mix Design = IS 10262
• Year based → IS 456 revised in 2000

🧠 JE CIVIL – IS CODE MCQ (PART–1)

Q1. IS Codes are published by?
(A) CPWD (B) PWD (C) BIS (D) IRC

Answer: (C) BIS

Q2. RCC design code is?
(A) IS 800 (B) IS 456 (C) IS 875 (D) IS 10262

Answer: (B) IS 456:2000

Q3. Earthquake resistant design code is?
(A) IS 4326 (B) IS 875 (C) IS 1893 (D) IS 800

Answer: (C) IS 1893

Q4. Concrete mix design is covered in?
(A) IS 456 (B) IS 516 (C) IS 10262 (D) IS 383

Answer: (C) IS 10262

Q5. Drinking water quality code is?
(A) IS 3370 (B) IS 2720 (C) IS 10500 (D) IS 6403

Answer: (C) IS 10500

📌 PART–1 QUICK REVISION (JE Focus)

• IS Codes issued by → BIS
• RCC Code → IS 456:2000
• Steel Design → IS 800
• Earthquake → IS 1893
• Soil Bearing Capacity → IS 6403

IS CODES FOR JE CIVIL – PART–2
Concrete & RCC (Exam Oriented)

🔹 IS 456 : 2000 – Plain & Reinforced Concrete

Subject: RCC & PCC Design, Construction, Durability
Most Important Code for JE Exams

📌 IS 456 – Key Exam Points

• Design Method → Limit State Design
• Minimum RCC Grade → M20
• Partial Safety Factor (Concrete) → 1.5
• Partial Safety Factor (Steel) → 1.15
• Prestressed Concrete → Not covered

📊 Grades of Concrete (IS 456)

Grade	Strength (N/mm²)
M10	10
M15	15
M20	20 (Min for RCC)
M25	25
M30 – M80	High Strength

📏 Minimum Cover (IS 456)

Member	Cover
Slab	20 mm
Beam	25 mm
Column	40 mm
Footing	50 mm

🔹 IS 10262 – Concrete Mix Design

Purpose: Concrete mix proportioning
JE Exam Favourite Code

📌 IS 10262 – Important Facts

• Used for → Design Mix Concrete
• Nominal mix → IS 456 में
• Target mean strength formula used

📐 Target Mean Strength Formula

f_ck(target) = f_ck + 1.65 × S

• f_ck = Characteristic strength
• S = Standard deviation

🔹 IS 516 – Concrete Strength Test

Used for: Compressive, Flexural & Split Tensile Strength

📊 IS 516 – Test Details

Test	Specimen
Compressive Strength	Cube (150×150×150 mm)
Flexural Strength	Beam
Split Tensile	Cylinder

🔹 IS 383 – Aggregates for Concrete

Defines: Fine & Coarse Aggregates quality

📌 Aggregates Classification

• Fine Aggregate → Passing 4.75 mm sieve
• Coarse Aggregate → Retained on 4.75 mm sieve
• Zones of sand → I, II, III, IV

🔹 IS 1199 – Workability of Concrete

Used for: Sampling & testing of fresh concrete

📊 Workability Tests

Test	Use
Slump Test	Medium Workability
Compaction Factor	Low Workability
Vee-Bee Test	Very Low Workability

🧠 JE EXAM MCQ – CONCRETE & RCC

Q1. RCC design code is?
(A) IS 800
(B) IS 456
(C) IS 10262
(D) IS 516

Answer: (B) IS 456:2000

Q2. Minimum grade of concrete for RCC is?
(A) M15 (B) M20 (C) M25 (D) M10

Answer: (B) M20

Q3. Concrete mix design code is?
(A) IS 456 (B) IS 516 (C) IS 10262 (D) IS 383

Answer: (C) IS 10262

Q4. Concrete cube test is specified in?
(A) IS 383 (B) IS 1199 (C) IS 516 (D) IS 456

Answer: (C) IS 516

Q5. Slump test is used to measure?
(A) Strength (B) Durability (C) Workability (D) Density

Answer: (C) Workability

📌 PART–2 QUICK REVISION

• RCC Code → IS 456:2000
• Mix Design → IS 10262
• Cube Test → IS 516
• Aggregates → IS 383
• Workability → IS 1199

IS CODES FOR JE CIVIL – PART–3
Steel • Load • Earthquake (Exam Oriented)

🔹 IS 800 : 2007 – Steel Structure Design

Subject: General Construction in Steel
Design Method: Limit State Design

📌 IS 800 – Key Exam Facts

• Latest revision → 2007
• Old working stress method → Discontinued
• Partial Safety Factor (γm0) → 1.10
• Partial Safety Factor (γm1) → 1.25

📊 Steel Grades (IS 800)

Steel Grade	Yield Strength (fy)
Fe 250	250 MPa
Fe 415	415 MPa
Fe 500	500 MPa

📌 Rolled Steel Sections (IS 808)

Section	Example
I-Section	ISMB, ISWB
Channel	ISMC
Angle	ISA
T-Section	IST

🔹 IS 875 – Structural Loads

Used for: Calculation of design loads on structures

📌 IS 875 – Parts & Loads

Part	Load Type
Part 1	Dead Load
Part 2	Live Load
Part 3	Wind Load
Part 4	Snow Load
Part 5	Special Loads

📐 Important Load Values (JE Exam)

Structure	Live Load (kN/m²)
Residential Room	2.0
Office	3.0
Corridor / Staircase	4.0
Roof (Accessible)	1.5

🔹 IS 1893 – Earthquake Resistant Design

Used for: Seismic design of buildings

📌 Seismic Zones of India

Zone	Zone Factor (Z)
Zone II	0.10
Zone III	0.16
Zone IV	0.24
Zone V	0.36

📌 Earthquake Design Basics

• Base Shear Formula → V = Ah × W
• Zone factor → Z
• Importance factor → I
• Response reduction factor → R

🔹 IS 4326 – Earthquake Resistant Construction

Used for: Masonry & RCC detailing

📌 IS 4326 – Key Points

• Seismic bands provision
• Proper reinforcement detailing
• Plinth, lintel & roof bands mandatory

🧠 JE CIVIL – MCQ (STEEL + LOAD + EQ)

Q1. Steel structure design code is?
(A) IS 456 (B) IS 800 (C) IS 875 (D) IS 808

Answer: (B) IS 800:2007

Q2. Live load on residential building is?
(A) 1.5 (B) 2.0 (C) 3.0 (D) 4.0 kN/m²

Answer: (B) 2.0 kN/m²

Q3. Earthquake resistant design code is?
(A) IS 875 (B) IS 4326 (C) IS 1893 (D) IS 800

Answer: (C) IS 1893

Q4. Zone factor for Zone V is?
(A) 0.16 (B) 0.24 (C) 0.36 (D) 0.10

Answer: (C) 0.36

Q5. Rolled steel sections are specified in?
(A) IS 800 (B) IS 875 (C) IS 808 (D) IS 456

Answer: (C) IS 808

📌 PART–3 QUICK REVISION (JE Focus)

• Steel Design → IS 800:2007
• Structural Loads → IS 875 (Part 1–5)
• Earthquake Design → IS 1893
• Seismic Detailing → IS 4326
• Rolled Sections → IS 808

IS CODES FOR JE CIVIL – PART–4
Soil • Foundation • Water (Exam Oriented)

🔹 IS 2720 – Soil Testing

Used for: Laboratory & Field tests on soil

📌 IS 2720 – Important Soil Tests (JE Focus)

Test	Purpose
Sieve Analysis	Grain size distribution
Atterberg Limits	Consistency limits
Proctor Test	Compaction characteristics
Direct Shear Test	Shear strength
Permeability Test	Flow of water

📐 Atterberg Limits (Key Values)

Limit	Symbol
Liquid Limit	LL
Plastic Limit	PL
Shrinkage Limit	SL

🔹 IS 6403 – Bearing Capacity of Soil

Used for: Determination of safe bearing capacity

📌 Bearing Capacity Types

Type	Description
Ultimate Bearing Capacity	Failure load
Safe Bearing Capacity	Ultimate / FOS
Allowable Bearing Capacity	Considering settlement

📌 Bearing Capacity Formula (Terzaghi)

q_u = cN_c + γDfN_q + 0.5γBN_γ

🔹 IS 1904 – Foundation Design

Used for: General requirements of foundation

📌 IS 1904 – Foundation Types

Foundation	Use
Shallow Foundation	Good soil at low depth
Deep Foundation	Weak soil at surface

📌 Minimum Depth of Foundation

• As per IS 1904
• Depends on soil type & loading
• Generally ≥ 0.5 m

🔹 IS 10500 – Drinking Water Standards

Used for: Quality requirements of potable water

📊 IS 10500 – Important Water Quality Limits

Parameter	Permissible Limit
pH Value	6.5 – 8.5
Total Dissolved Solids (TDS)	500 mg/L
Chloride	250 mg/L
Fluoride	1.0 mg/L

🔹 IS 3370 – Water Tank Design

Used for: Concrete water retaining structures

📌 IS 3370 – Key Points

• Crack width control very important
• Permissible crack width → 0.2 mm
• Working Stress Method preferred

🧠 JE CIVIL – MCQ (SOIL • FOUNDATION • WATER)

Q1. Soil testing code is?
(A) IS 6403 (B) IS 1904 (C) IS 2720 (D) IS 3370

Answer: (C) IS 2720

Q2. Bearing capacity of soil is covered in?
(A) IS 1904 (B) IS 6403 (C) IS 10500 (D) IS 516

Answer: (B) IS 6403

Q3. Drinking water quality standard code is?
(A) IS 3370 (B) IS 2720 (C) IS 10500 (D) IS 1904

Answer: (C) IS 10500

Q4. Water tank design code is?
(A) IS 456 (B) IS 3370 (C) IS 875 (D) IS 1893

Answer: (B) IS 3370

Q5. pH range of drinking water as per IS 10500 is?
(A) 5.5–6.5 (B) 6.5–8.5 (C) 7.0–9.0 (D) 6.0–7.5

Answer: (B) 6.5–8.5

📌 PART–4 QUICK REVISION (JE Focus)

• Soil Tests → IS 2720
• Bearing Capacity → IS 6403
• Foundation Design → IS 1904
• Drinking Water → IS 10500
• Water Tank Design → IS 3370

IS CODES FOR JE CIVIL – PART–5
Most Repeated MCQ • One-Liners • Super Revision

🔥 MOST IMPORTANT ONE-LINERS (JE EXAM)

• RCC Design Code → IS 456:2000
• Minimum concrete grade for RCC → M20
• Steel structure design code → IS 800:2007
• Mix design code → IS 10262
• Earthquake design code → IS 1893
• Load calculation → IS 875
• Soil testing → IS 2720
• Bearing capacity → IS 6403
• Foundation design → IS 1904
• Drinking water → IS 10500
• Water tank design → IS 3370

📊 SUPER REVISION TABLE – IS CODES AT A GLANCE

IS Code	Subject	Exam Weight
IS 456	RCC & PCC	★★★★★
IS 800	Steel Structure	★★★★☆
IS 875	Loads	★★★★☆
IS 1893	Earthquake	★★★★★
IS 2720	Soil Testing	★★★★☆
IS 10500	Drinking Water	★★★☆☆

🧠 MOST REPEATED MCQ (JE / SSC / RRB)

Q1. IS Codes are published by?
(A) CPWD (B) IRC (C) BIS (D) NBC

Answer: (C) BIS

Q2. Minimum grade of concrete for RCC is?
(A) M15 (B) M20 (C) M25 (D) M10

Answer: (B) M20

Q3. Steel structure design code is?
(A) IS 456 (B) IS 875 (C) IS 800 (D) IS 808

Answer: (C) IS 800

Q4. Earthquake resistant design is covered in?
(A) IS 4326 (B) IS 875 (C) IS 1893 (D) IS 800

Answer: (C) IS 1893

Q5. Load calculation code is?
(A) IS 456 (B) IS 875 (C) IS 516 (D) IS 10262

Answer: (B) IS 875

Q6. Soil testing code is?
(A) IS 1904 (B) IS 2720 (C) IS 6403 (D) IS 10500

Answer: (B) IS 2720

Q7. Bearing capacity of soil is given in?
(A) IS 6403 (B) IS 2720 (C) IS 10500 (D) IS 3370

Answer: (A) IS 6403

Q8. Drinking water quality code is?
(A) IS 3370 (B) IS 10500 (C) IS 2720 (D) IS 456

Answer: (B) IS 10500

Q9. Water tank design code is?
(A) IS 456 (B) IS 875 (C) IS 3370 (D) IS 800

Answer: (C) IS 3370

Q10. Concrete mix design code is?
(A) IS 456 (B) IS 516 (C) IS 383 (D) IS 10262

Answer: (D) IS 10262

🎯 FINAL EXAM STRATEGY (TOPPERS SECRET)

• IS Code + Subject + 1 Key Fact याद रखें
• Numerical से पहले Code-based MCQ solve करें
• Last 5 years में IS Codes से 15+ प्रश्न repeat
• IS 456, IS 1893, IS 800 = Must-Master Codes

HIGH SCORING

🚀 FINAL QUICK REVISION (1-DAY BEFORE EXAM)

• RCC → IS 456
• Steel → IS 800
• Loads → IS 875
• Earthquake → IS 1893
• Soil → IS 2720
• Water → IS 10500