Estimating and Costing
CE 706

Lecture     :   3                                                                                              Year   :   IV
Tutorial    :   2                                                                                              Part    :   I      
Practical   :   0    
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.
1.       Introduction                                                                                       ( 2 hours)
1.1            General
1.2            System of Units
1.3            Units of Measurement and Payments for different items of Works and Materials
1.4            Requirements of Estimating and Costing

2.       Methods of Estimating                                                                     ( 4 hours)
2.1            Methods of Measurement of Building and Agricultural Engineering Works
2.2            Subheads of item of works
2.3            Methods of Taking out Quantities:
2.3.1        Center Line Method
2.3.2        Long Wall and Short Wall Method
2.3.3        Crossing Method
2.4            Abstracting Bill of Quantities

3.       Preparation of Detail Estimate                                                       ( 3 hours)
3.1            Cost of Item
3.2            Transportation cost, other expenses and overheads
3.3            Contingency

4.       Types of Estimates                                                                            (4 hours)
4.1            Approximate Estimate
4.2            Detailed Estimate
4.3            Revised Estimate
4.4            Supplementary Estimate
4.5            Annual Repair & Maintenance Estimate
4.6            Extension and Improvement Estimate
4.7            Complete Estimate
4.8            Split of Costs of Building Works

5.       Analysis of Rates                                                                                (6 hours)
5.1            Introduction
5.2            Purpose of Rate Analysis
5.3            Importance of Rate Analysis
5.4            Requirements of Rate analysis
5.5            Factors affecting Rate Analysis
5.6            Procedure of Rate Analysis for
5.6.1        Building works
5.6.2        Water supply Works
5.6.3        Rural Road Works
5.6.4        Irrigation Works              

6.       Detailed Estimate                                                                              (18 hours)
6.1            Estimate for Walls
6.2            Estimate for a single room building
6.3            Estimate for a two room building
6.4            Estimate for Earthwork in road
6.5            Estimate for RCC slab culvert
6.6            Estimate for Septic Tank and Soak pits

7.       Specification:                                                                                      (5 hours)
7.1            Purpose of Specification
7.2            Types of Specification – General Specification and Detailed specification
7.3            Importance of Specification
7.4            Specification writing – Techniques, Use of International and Local Standards, Code of Practice.

Tutorial:
Six Estimation Assignments on following Projects:
  1. A single storied residential building
  2. Dairy Cattle Housing
  3. Rural Roads
  4. A canal fall
  5. A Biogas Plant
  6. Writing Specification of - Brickwork, RCC work, Cement, Sand, Aggregate, Steel reinforcement and Earth work.
References:
1.       Estimating and costing by BN Dutta – latest edition.
2.       A text book of Estimating and Costing by G.S. Birdie – latest edition.
3.       Estimating and Project Management for Small Construction Firms by Seymour Berger and Jules B. Godel - latest edition.                  
4.       Civil Estimation, Quantity Surveying and Valuation by Amarjeet Agrawal - latest edition.
5.       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
* Minor deviation on mark distribution can be made.

 source:-Department of Agricultural Engineering

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