Скачать или смотреть CLASS-15 SLAB BEAM CALCULATION Estimating and Costing in Civil Engineering

CLASS-15 SLAB BEAM CALCULATION Estimating and Costing in Civil Engineering #estimationandcosting

Estimate give an idea of the cost of the work and hence its
feasibility can be determined i..e whether the project could be
taken up with in the funds available or not.
2. Estimate gives an idea of time required for the completion of the work.
3. Estimate is required to invite the tenders and Quotations and to
arange contract.
4. Estimate is also required to control the expenditure during the
execution of work.
5. Estimate decides whether the proposed plan matches the funds
available or not.
PROCEDURE OF ESTIMATING OR METHOD OFESTIMATING.
Estimating involves the following operations
1. Preparing detailed Estimate.
2. Calculating the rate of each unit of work
3. Preparing abstract of estimate
DATA REQUIRED TO PREPARE AN ESTIMATE
1. Drawings i.e.plans, elevations, sections etc.
2. Specifications.
3. Rates.
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Introduction to the Subject 2
1.4.1 DRAWINGS
If the drawings are not clear and without complete dimensions the
prepa-ration of estimation become very difficult. So, It is very essential
before prepar-ing an estimate.
SPECIFICATIONS
a) General Specifications: This gives the nature, quality, class and
work and materials in general terms to be used in various parts of
wok. It helps no form a general idea of building.
b) Detailed Specifications: These gives the detailed description of the
vari-ous items of work laying down the Quantities and qualities of
materials, their proportions, the method of preparation
workmanship and execution of work.
RATES:
For preparing the estimate the unit rates of each item of work are
re-quired.
1. For arriving at the unit rates of each item.
2. The rates of various materials to be used in the construction.
3. The cost of transport materials.
4. The wages of labour, skilled or unskilled of masons, carpenters,

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