What is the purpose of setting out in excavation work?

The main reason for setting out (other than to guide the workers as they begin construction) is to ensure the construction remains within the legal boundary. This means there will be no legal disputes later on, such as those regarding property boundaries and rights of access.

What is the purpose of setting out?

Setting out a building is the process of transferring architectural proposals from drawings into the ground. It establishes the location points for site boundaries, foundations, columns, centre-lines of walls and other necessary structural parts. Also, it establishes the buiding’s correct extent, angle and level.

What is a setting out?

Setting out is the process of developing the physical positions of corners and walls of a building, and it’s done by transferring dimensions from the layout plan.

Why setting out of foundation trenches is necessary?

Setting out of building foundation trenches is the process of laying down the excavation line and centerline on the ground based on the foundation plan. … Once the design of foundation is complete, a setting out plan or foundation layout is prepared for a suitable scale and the plan is dimensioned accordingly.

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What is a set out drawing?

“Setting out” is the process of locating points for columns, site boundary level, pile position and other necessary structural parts according to the construction drawing.

What are the principles of setting out?

3 main principles of setting out operations: 1. Horizontal control technique 2. Vertical control technique 3. Positioning technique • 3 stages of setting out need to be carried out in construction works: 1.

What are the types of setting out?

Methods of Setting Out Survey

  • Setting out buildings by coordinates.
  • Setting out with theodolite and level.
  • Checking verticality.
  • Setting out and alignment in steel framed buildings.
  • Alignment and verticality in form work.
  • Control and calculation for route surveying.

What are the 3 types of foundations?

There are three main foundation types; basement, crawlspace, and concrete slab. A fourth, but a less common option, is wood foundations.

What are setting out tools?

Marking-out tools are used to indicate points or positions, while setting-out tools are used to set surfaces and edges at angles.

How is excavation carried out?

Setting out or ground tracing is the process of laying down the excavation lines and centre lines etc. on the ground before the excavation is started. … Excavation is done by manual or machine means depending on the availability. The excavated soil is to either removed out the site or stocked around the excavation pit.

How do you lay out building lines?

Squaring Your Building Lines; Locate the four corners of your building, using a measuring tape or line, to make sure the corners are spaced out exactly the distance specified in the drawings. Use temporary stakes and don’t hammer them too deep. Start with one corner as your permanent stake.

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How do I make the foundation of my house stronger?

  1. Keep in mind the soil type. …
  2. Make sure the rebar is not too close to the soil. …
  3. The layout of the foundation and slab is important. …
  4. Make sure there is no water in the concrete. …
  5. The bolts in the foundation are very important. …
  6. Crawl space can make your foundation strong. …
  7. Use weatherproof material.


What are the three types of drawing?

Different Kinds of Drawing

  • Illustration Drawing. These are drawings that are created to represent the lay-out of a particular document. …
  • Life Drawing. Drawings that result from direct or real observations are life drawings. …
  • Emotive Drawing. …
  • Analytic Drawing. …
  • Perspective Drawing. …
  • Diagrammatic Drawing. …
  • Geometric Drawing.

What are the 6 types of construction drawings?

What Are the Six Types of Construction Drawings?

  • Plans.
  • Interior and exterior elevations.
  • Building and wall sections.
  • Interior and exterior details.
  • Schedules and room finishes.
  • Framing and utility plans.

How do you set out a building profile?

Erect profiles approximately 1.2 m (but not less than 0.9 m) outside the perimeter of the building. Brace the profiles to keep them from moving. (See Figure 1.) Starting with the longest building face, locate each corner and then set out lines at right angles from this line to locate the other lines.

Special equipment and operation