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i think it has something to do with a house plan..

2006-10-07 19:07:07 · 8 answers · asked by Bethany 1 in Education & Reference Homework Help

8 answers

Blue print refer to reproduction/duplicates of drawing from a tracing paper(where the original drawing is drawn in transparent paper). This was called blue because of the process that it pass through a UV light and the copy is printed at blue color. Other method is using ammonia and will give you the same color. This is needed for application of building permits, estimates, construction, etc.

2006-10-08 03:54:51 · answer #1 · answered by The young Merlin 4 · 0 0

A blueprint is a plan or technical drawing usually documenting an architecture or an engineering design. More generally, the term "blueprint" has come to be used to refer to any detailed plan.

Etymology
The term "blueprint" was originally derived from the visual aspects of prints made using the contact printing process of cyanotype. It is cyanotype which produces the white lines on blue background which are characteristic of the traditional blueprint.

Invention
The blueprint process was developed by the British astronomer Sir John Herschel in 1840. The photosensitive compound, a solution of ammonium ferric citrate and potassium ferricyanide, is coated onto paper. Areas of the compound exposed to strong light are converted to insoluble blue ferric ferrocyanide, or Prussian blue. The soluble chemicals are washed off with water leaving a light-stable print.

A similar process was used to produce printing proofs for offset printing.

Various materials have been used for blueprints. Paper was a common choice, but for more durable prints linen was sometimes used, but with time, the linen prints would shrink slightly. To combat this problem, printing on vellum and, later, mylar was implemented.

Use
A blueprint had several advantages over other types of drawings; the contact printing method allowed an unlimited number of prints to be made without degradation and assured highly accurate dimensions on the copies. The resulting prints were resistant to fading, marking, and alteration.

Revision control was done in contrasting color on the blueprints, for example red markup of a blueprint copy by the engineer, then yellow markup on the copy by the draftsman who implemented the changes on the original drawing, then brown markup by the checker, on a check-print (a brown-line) or sepias. Finally, the architect or engineer, draftsman, checker and supervisor would sign the original drawing, thus making it a legal document. This final, approved drawing would become the original from which new blueprints were made.

You could get more information from the link below...

2006-10-08 03:59:00 · answer #2 · answered by catzpaw 6 · 0 0

Blueprint, a method for copying architectural drawings. The blueprint process was developed by the British astronomer Sir John Herschel in 1840.

To create a blueprint, blueprint paper, which begins white, is first sensitized by coating it with a mixed solution of ammonium ferric citrate and potassium ferricyanide. Next, a translucent sheet upon which the architectural diagrams have been drawn is placed over the blueprint paper; a strong light is then directed through the translucent sheet onto the paper. The portions of the blueprint paper protected from light by black lines on the translucent sheet are unchanged, but the coating of the rest of the paper is reduced by the light to insoluble blue ferroferricyanide, or Prussian blue. When the paper is washed in water, the copy image emerges as a white-line print on blue paper that is stable in light.

The use of blueprints has largely been replaced by an alternative process for reproducing diagrams that creates a whiteprint, which has colored or black lines on a white background. In contrast to the blueprint method, preparing a whiteprint does not require liquid chemicals. To create a whiteprint, a translucent sheet upon which the architectural diagrams have been drawn is placed on top of the whiteprint paper. The light-sensitive whiteprint paper is exposed to light, then developed using ammonia gas.

2006-10-08 02:31:58 · answer #3 · answered by Hala 2 · 0 0

A blue print is the plans of how to build a structure. In this case a house. As an architectural draftsman I work on blue prints almost daily. They generally consist of a foundation plan, floor plans, elevations, sections/details, electrical, mechanical and plumbing. They also aren't blue, as most people suspect. They are generally on white paper with black ink.

2006-10-08 02:10:08 · answer #4 · answered by Alex 3 · 0 0

It is referred to as a "Blue Print" because it is printed on blue graph paper and is the measurements of a rough draft of a house.

2006-10-08 02:08:30 · answer #5 · answered by Anonymous · 0 0

It is a scale drawing of the architectural elements / or design elements of a room. There are ways to show things like windows and doors, and the drawing is designed to represent the actual elements in the correct size ratios.

2006-10-08 02:16:08 · answer #6 · answered by starlet_8 4 · 1 0

Basically the plan of the room
where things will go, which way the doors will open etc.

2006-10-08 02:09:08 · answer #7 · answered by The Cliff Jumper 1 · 0 0

it shows the size of the room and the layout of the room. some show electrical wire layouts and pipes if any. good luck.

2006-10-08 02:08:56 · answer #8 · answered by Ginnykitty 7 · 0 0

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