7 Drawings You Need For Home Construction
When it comes to residential construction, a lot of people think that architectural drawings are merely a formality. They think that all they need to know is the placement of rooms. But the reality is, architectural drawings are not limited to just aesthetics and placement of rooms. They tell us all the logical and technical details along with all the calculations required.
Let us take you to the types of drawings and other important elements of architecture.
Layout drawings or plans as suggested by the name are the basic layouts of your residence having site plan and all floor plans. They show the connectivity and sizes of the rooms, utilities, staircase & open areas; location of the walls, doors & windows; placement of the furniture and other interior elements. Hence with layout drawings, you get to know what is to be placed where with sizes or ratios at a smaller scale on paper or screen.
Working Drawings are the detailed drawings provided to you which are necessary for the execution of construction. They tell you the dimensions and sizes of all the necessary elements like walls, rooms, doors, windows, etc. They are made according to the existing building codes. These drawings don’t talk about the furniture, interiors and final finishes. These consist of floor plans, elevations and required sections of the building.
- Floor Plans: In working drawings, Floor Plan shows sizes & location. You will get all the required dimensions of the necessary construction elements like walls, columns, rooms, doors & windows. They are sometimes marked with a grid system known as column grid consisting of horizontal lines and vertical lines which represent the structural columns in the building.
- Exterior Elevations: These are the 2D drawings that show all the sides of the building from outside. These give a good idea of how the house will look from each side and are the first impression of the building when completed. To get a more realistic idea of how it will look you can have a 3D perspective view from your designer.
- Sections: If you cut your building from anywhere and look inside, what you see is known as the section of that building. It reveals the walls, floors, roof, foundations and other architectural elements with their details. Most common sections are cut vertically through staircase & washrooms showing floor heights & floor drops. You also see the beams in your sections(if any).
- Joinery schedule: This is the drawing that gives us the details of joinery i.e. doors, windows and ventilators. It shows us their heights, widths, frame shape and size, material used and required number of pieces along with their placement in the plan.
- Details: These are the drawings including details of specific elements where the designer wants to provide more insight on crucial information for construction. Details are often sectional drawings of foundation, exterior walls, stairs or other construction elements. These can be a different set of drawings or included in the related working drawings depending upon the size of the project and information to be provided.
Structural drawings provide information about the structural elements, their strength, materials, grade, size and placement etc. Structural drawings are prepared by registered structure engineers working with the designer. They are primarily concerned with the load-bearing members of a structure i.e. foundations, beams, load carrying walls and columns. They do not address architectural details like surface finishes, partition walls, or mechanical systems.
Electrical drawings provide the details and location of electrical wiring, fixtures, switches, sub-station, distribution box etc. This set of drawings includes plans showing wiring of the house in interiors and exteriors, Plan of individual floors showing electrical systems, a detailed wiring diagram and symbols showing the placement of electrical fittings and switch board on every floor.
A plumbing drawing shows the piping system of a house. It shows both the water distribution and sanitary system. It gives the placement of sanitary ware & fixture and the process to connect every fixture. These sets of drawings show the detail demarcation of water supply pipes, waste and vent pipes, rainwater drainage and sewer system. A well designed plumbing system results in cost-effectiveness.
Bill of Quantities:
A Bill of Quantity (BOQ) is a document which provides project specific requirement list with details such as quantity and cost of material, labor, equipment, earthwork in excavation, disposal system, woodwork, and so on. A typical BOQ covers Site preparation, Earthwork, Concrete and Steelwork, Masonry work, sanitary installation (Plumbing), Electrical work, Mechanical work, Door and window material and cost, Internal finishes like Plastering, Flooring, Painting, etc.
3D visuals: It’s hard to imagine actual look of the home even with all the drawings in hand. 3D visuals help us in giving an insight about the looks of home at any stage. You can get visuals of the interiors and exteriors both along with the final finishes.