Civil 101 - Estimating, Costing, and Valuation

Lecture: Sandeep Jani

1. Introduction

• Discussion on specific techniques and methods:
  • Estimating
  • Costing
  • Valuation
• Important points from the competitive exam perspective

2. Unacademy Information

• Suggests downloading the Unacademy app
• Process of selecting various courses
• Mention of 20% off using the Sandeep11 code
• Benefits of special classes

3. Importance of Estimation

• Saving money, time, and resources
• Importance of estimated cost of work
• Responsibility of quantity surveying
  • Calculation of material quantity
  • Information regarding drawings and specifications

4. Types of Estimates

1. Preliminary / Approximate Estimate:
   • Brief method - determination of initial cost
   • Plinth area, cubic content, and unit-based method
2. Detailed Estimate:
   • Calculation in detail for technical approval
   • Necessary reports, drawings, clarifications
3. Annual / Special Repair Estimate:
   • Budget for annual repairs
   • Special repairs like unforeseen expenses
4. Revised and Supplementary Estimate:
   • Revised estimate when budget limits are exceeded
   • Supplementary estimate for additional work

5. Estimation Tools & Techniques

• Site plan, layout plan, index plan
• Reports and contingency costs
• Establishment charges
• Tools and plants charges
• Material statement

6. Methodologies

1. Center Line Method:
   • Calculation of length, width, and height from the centerline
2. Crossing Method:
   • Measuring the length and width of the wall
3. Out to Out and In to In Method:
   • Measuring from outer to outer and inner to inner
4. Service Unit Method:
   • Calculation of service unit

7. Importance of Specifications

• Building process and type of materials
• Specifications of foundation, superstructure, and roofing
• Standards for floor, door, and windows
• Thickness of plastering and concrete

8. Measurement Units

• Length measured items, area measured items, volume measured items
• Standard measurement criteria for brickwork, stonework, and other construction materials

9. Valuation Concepts

• Valuation of a property, market value, scrap value, etc.
• Rent calculation
• Valuation for loans

10. Types of Values

• Market Value: Price in an open market
• Scrap Value: Value after the building is demolished
• Salvage Value: When the utility ends
• Rentable Value: Net annual income received from rent
• Book Value: Value given in books or records
• Monopolistic Value: Special advantage in the area
• Replacement Value: Cost to replace the existing structure

11. Depreciation

• Process of reducing the cost of the property
• Calculation by different methods

12. Contracts

• Types: Lump Sum, Item Rate, Turnkey, Negotiated, and Running Contracts
• Responsibility: Legal agreement between builder and owner

13. Workshop Takeaways

• Safe, accurate, and profitable construction processes
• Benefits of Unacademy courses and special classes
• Covering all important exam-related topics

Recommended Actions:

• Enrollment in Unacademy and availing course subscriptions
• Daily practice and revision
• Focus on important exam topics