Estimating and Costing
Course objective:
To provide the knowledge of basic tools and methodology of estimating and costing of a construction work.After completion of this course, the students can prepare detailed estimate of Building, Agricultural Roads & Farm Buildings and can prepare BOQ. They can also write specification of building materials and building works.
- Introduction(2 hours)
- General
- System of Units
- Units of Measurement and Payments for different items of Works and Materials
- Requirements of Estimating and Costing
- Methods of Estimating (4 hours)
- Methods of Measurement of Building and Agricultural Engineering Works
- Subheads of item of works
- Methods of Taking out Quantities:
- Center Line Method
- Long Wall and Short Wall Method
- Crossing Method
- Abstracting Bill of Quantities
- Preparation of Detail Estimate (3 hours)
- Cost of Item
- Transportation cost, other expenses and overheads
- Contingency
- Types of Estimates (4 hours)
- Approximate Estimate
- Detailed Estimate
- Revised Estimate
- Supplementary Estimate
- Annual Repair & Maintenance Estimate
- Extension and Improvement Estimate
- Complete Estimate
- Split of Costs of Building Works
- Analysis of Rates (6 hours)
- Introduction
- Purpose of Rate Analysis
- Importance of Rate Analysis
- Requirements of Rate analysis
- Factors affecting Rate Analysis
- Procedure of Rate Analysis for
- Building works
- Water supply Works
- Rural Road Works
- Irrigation Works
- Detailed Estimate (18 hours)
- Estimate for Walls
- Estimate for a single room building
- Estimate for a two room building
- Estimate for Earthwork in road
- Estimate for RCC slab culvert
- Estimate for Septic Tank and Soak pits
- Specification (5 hours)
- Purpose of Specification
- Types of Specification – General Specification and Detailed specification
- Importance of Specification
- Specification writing – Techniques, Use of International and Local Standards, Code of Practice.
Tutorial:
Six Estimation Assignments on following Projects:
- A single storied residential building
- Dairy Cattle Housing
- Rural Roads
- A canal fall
- A Biogas Plant
- Writing Specification of - Brickwork, RCC work, Cement, Sand, Aggregate, Steel reinforcement and Earth work.
References:
- Estimating and costing by BN Dutta – latest edition.
- A text book of Estimating and Costing by G.S. Birdie – latest edition.
- Estimating and Project Management for Small Construction Firms by Seymour Berger and Jules B. Godel - latest edition.
- Civil Estimation, Quantity Surveying and Valuation by Amarjeet Agrawal - latest edition.
- BSP Publications.
Evaluation Scheme:
Chapter |
Hours |
Marks Distribution* |
1 |
2 |
4 |
2 |
4 |
6 |
3 |
3 |
4 |
4 |
4 |
6 |
5 |
6 |
12 |
6 |
18 |
32 |
7 |
5 |
16 |
Total |
42 |
80 |
*Note: There may be minor deviation in mark distribution.
|