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
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:
- 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:
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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