My Blog

Author: haroonkhan

  • De-watering Equipment

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    by

    haroonkhan
    in

    Groundwater and seepage control needs a most significant consideration in the construction of buildings. Groundwater can be controlled depending on the geological conditions and characteristics of the soil. In such a situation, groundwater can be controlled by adopting one or more types of de-watering systems or drain appropriate to the size and depth of excavation.…

  • Earthwork Equipment

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    by

    haroonkhan
    in

    Earthwork and moving equipment are available to suit different field conditions which are discussed below. 1. Excavators Excavators are digging machines. These machines consist of the following components (Fig. 32.1): Figure 32.1 Excavator Excavators may be of mechanical (or cable operated) or hydraulic types. Hydraulic excavators have more advantages. They can be fitted with various multi-purpose…

  • TYPES OF EQUIPMENT

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    by

    haroonkhan
    in

    For a building project the selection of equipment depends on: Major equipment needed for a building project are the following:

  • Operating Cost

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    by

    haroonkhan
    in

    Operating cost of an equipment is based on the following factors: 1. Cost of Investment By investment made on the equipment the owner is losing an amount equal to the interest or return one would have otherwise received from bank or other sources of investment. For the purpose of calculating the total cost of investment,…

  • COST OF EQUIPMENT

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    by

    haroonkhan
    in

    Procurement Cost Procurement cost includes (i) the cost price of the equipment, (ii) interest on money invested on the purchase, (iii) taxes paid and (iv) insurance cost. Evidently the owner of the equipment pays cash for the procurement of the equipment. It is to be noted that if the same amount is invested in some…

  • INTRODUCTION

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    by

    haroonkhan
    in

    The type of equipment to be used for a specific project depends on the scope of the project involved. Every project is executed not by department but by contracting the work. So it is the choice of contractor to use suitable equipment. If a particular equipment is required to be purchased, he has to think…

  • SETTING OUT WORKS

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    by

    haroonkhan
    in

    Any civil engineering work has to be set out before starting of construction. Primarily excavation has to be started for which marking has to be done. Marking for excavation of a typical building area is explained below. In order to carry out construction exactly according to plan, the outline of excavation and centre line of…

  • TEMPORARY SHEDS

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    by

    haroonkhan
    in

    As explained in job layout different facilities have to be provided. Since the project has to be completed in a short period facilities can not be made permanently. Thus only temporary sheds made out of sheets are provided with adequate safety. Facilities like drinking water, sleeping areas, dwelling areas, office, store and all are to…

  • JOB LAYOUT

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    by

    haroonkhan
    in

    Overall economy of a project can be achieved by a thorough coordination in planning of services and the construction plant. Such coordinated work will frequently lead to modification in plant facilities and in layout of services. Thus layout of a construction project camp is governed by the following factors:

  • SITE CLEARANCE

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    by

    haroonkhan
    in

    Clearing of vegetation and trees is usually necessary before undertaking any construction operation. It is very difficult to handle equipment and materials in the presence of trees, bushes, grass and weeds. Presence of these materials along with earth materials may lead to settlement at a later stage. Crawler dozers, equipped with special cleaning blades, are…