After concrete has been placed it should be consolidated either by hand tamping or by a small petrol engine, an electric motor and in some cases by compressed air. Three basic forms of vibrator are used in building works. These are the poker vibrator, vibration tampers and clamp vibrators. The contractor do not have any of the above mentioned vibrators, and will solicit the services of plant hiring firm to get one for the job. Having taken the decision to select any particular brand of vibrator, the contractor has now made up his mind to hire, instead of buying. Exposit on the benefits of hiring a plant.
b) Realistic plant charges will allow several important management decisions to be taken as the logical results of scientific analysis. Determined the factors and decisions characterized the selecting of any particular plant for construction project.
c) The procuring of materials, equipment and services required for the operation of a business, is essentially a service function. The main object being to purchase at the minimum overall cost consistent with suitable quality and availability. If the advantages of electronic commerce can be broadly classified into three major categories thus, advantages to organizations, consumers and society. Then outline four advantages of electronic commerce to a company in construction project management.
a) The concrete pouring work will not exceeds for one or two day. More Often we could increase the workmanship to achieve the quantity of work within the time bound. Buying an equipment which is less usable but more important is not a profitable measure, so hiring a plant for concrete vibrator is less cost and so much of companies are available with this service. We could avoid the maintenance charge while hiring, reduce the risk of keeping in the site etc. Most probably the service ticket and operating instruction will give by the hiring company.
b)
For selecting a particular plant for delivery, we should analyse the following factor.
1. Select the company over rent per working hour rate. Because if daily rent or monthly are applicable, then its not cost effective. Consolidation of concrete would take a smaill time consumption in the process of concrete pouring
2. Portable, light weight vibrator ideally suited for consolidation of small areas.
3. Electrical vibrator will help to avoid the fuel consumption.
4. High quality service should be ensured from the hiring company
5. Should be cost effective
6. Delivery, transportation and loading- unloading of equipment must be their scope of work
c) Advantage of electrical vibrators:
Can avoid organic fuel consumption
Less noise pollution
Large life span
Easy maintenance
After concrete has been placed it should be consolidated either by hand tamping or by a...
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