What are the lines used in drawing?

What are the lines used in drawing?

Using the Alphabet of Lines

• Construction Line. This line is used mainly in sketching, which is a freehand drawing technique.
• Visible Object line. This line is used to draw all the edges of the object.
• Hidden Object Line.
• Centre Line (or centreline)
• Extension Line.
• Dimension Line.

What is the most commonly used drafting standard?

Tracing paper and drafting vellum are the two most widely used types of drafting media.

What is the proper line weight for drawing guidelines?

Engineering drawings only require two line weights, Construction drawings can have up to four Line weights. The Line weights should be in the ratio 4:2:1. The extra line weight for construction drawings is used to represent graphical symbols and is situated somewhere between the ‘Narrow’ Line and ‘Wide’ line.

How do you read a shop drawing?

How to Read Shop Drawings

1. Examine the plate size and fitting. Plate sizes are indicated by a specific numerical dimension and an equal sign.
2. Notice the slope. The slope is located near the middle of the drawing on the left hand side.
3. Look at the height of the object.
4. Figure out alphabetical abbreviations.

What is the purpose of a shop drawing?

The purpose of shop drawings is to enable the design professional to secure graphic representation from the general contractor as to how the installing contractor intends to complete a portion of the work, prior to proceeding, for which submittals are required.

What is a shop drawing submittal?

In construction, submittals are a contractor’s proof of complying with construction documents or a permitted plan set. They include shop drawings, specifications, technical data, and product samples for items such as custom staircases, private elevators, and trusses, and many others.

What are the three types of submittals?

Submittals can be categorized as follows:

• Preconstruction Submittals.
• Construction Submittals.
• Closeout and Maintenance Submittals.

What is the difference between a shop drawing and a submittal?

The shop drawing process formalizes the method for a contractor to demonstrate how it will accomplish these design obligations. The submittal process forces the contractor to show how it intends to execute the work and allows the design professional to review those intentions for com- pliance with the design intent.

What is the difference between as built drawing and shop drawing?

The as-built drawings are made after the completion of the project. And the shop drawings are made before a construction project starts. As-built drawings can be made for the whole building as well as for specific components. But the shop drawings are only made for the different components of a building.

What is GFC drawing?

GFC drawings (good for construction drawings) are construction drawings and specifications for a designated project. GFC drawings include details such as structural drawings, electrical drawings, staircase drawings, mechanical drawings, plumbing drawings, and other architectural construction documents.

Who prepares as built drawings?

As Built drawings are normally prepared by the architects and engineers who initially designed the project because they are conversant with the original specifications. This makes them the most logical choice to record the changes that took place during construction.

What is type of construction?

Most people would look at a building and view it as just that: a building. Buildings can be categorized into five different types of construction: fire-resistive, non-combustible, ordinary, heavy timber, and wood-framed.

What are the 4 types of structures?

There are four types of structures;

• Frame: made of separate members (usually thin pieces) put together.
• Shell: encloses or contains its contents.
• Solid (mass): made almost entirely of matter.
• liquid (fluid): braking fluid making the brakes.

What are the 4 types of construction?

The four major types of construction include residential building, institutional and commercial building, specialized industrial construction, infrastructure and heavy construction.