Floor plan (part-2)

 Scale of Floor plans:-

The floor plan tends to be one of the largest single drawings in a construction set and often is placed on a sheet by itself.However,if space permits,other minor elements might be drawn around it to fill up the sheet.The sheet size a floor plan is drawn on is often the governing factor of the scale of that drawing.Floor plans are drawn at a scale that best presents the information to be conveyed without being too small to read.Residential floor plans are relatively small in overall square footage and are generally drawn at a scale of 1/4"=1'-0"(1:100 metric) or even 1/14"=1'0"(1:200 metric) might be more appropriate.In these latter examples,auxiliary enlarged plans can be drawn and keyed to the base floor plan,as shown in it.One should always indicate the scale of the floor plan on the sheet,generally under the title.

Drafting Standards:-  

Many decisions must br made before a floor plan is complete.The designer will probably spend more time drafting the floor plan than any other element.Drafting the floor plan than any other element.Drafting floor plans is more efficient if a logical sequence is followed;that is,first day out the walls,openings,door swings,fixtures,and cabinets;then add dimenstions,symbols,and any necessary notes.

 Walls in plan view:-    

 Floor plans should be drawn with a hierarchy of line weights for easy reading and for graphic exctiement.Generally,a minimum of three line weights should be used,as illustrated in it.Walls should be drawn with the darkest and thickest lines.These lines can be double or filled into indicate the thickness of the wall.The actual wall thickness will vary with construction,but there are some typical widihs.Most walls in residential and small commercial construction are built with 2x4 wood studs,which are actually 3and1/2 inches (89mm) in width.When 1/2 inch (13mm) gypsum board is added on each face,the wall thickness becomes 4and1/2 inches (114 mm) finished.The same wall thickness is also often used (114mm) finished.The same wall thickness is also often used in large commercial interiors where the studs are made of steel.Although steel stud widths are produced in many other sizes as well.For both residential and commercial projects,interior 2x4 walls are generally drafted as approximately 5 inches (127 mm).Some spaces can be drawn a large scale,such as (1.29metric),to canvey detailed information.These are then cross-referenced to a smaller-scale floor plan.     

Also,a different pattern can be used on the floor plan to denote a change in the floor treatment,such as the grid pattern in the kitchen and utility room in it.Much of the other information given on a floor plan is more general,with the items spelled out in more detail in other drawings or specifications.For example,a water heater or handrail is designed as such on the plan,and its detailed specifications are found elsewhere in the construction drawings or written specifications.   

Light line Weight 

Medium Line Weight 

Heavy Line Weight

Thick in plan view.Exterior walls are drawn at about 6-8 inches.(152-203 mm) thick, depending upon what materials they are constructed of.For example of different wall materials and how they are constructed as well as designated in a plan view drawing.

Built-in and free-standing objects such as countertops,plumbing fixtures,states,furniture,and other items that have contours should be drawn with slightly lighter line weights than the walls,finally,textures,door swings,and dimension lines are the thinest and lightest lines,as shown in it.

 Doors and window in plan view:-

Doors and windows are drawn in the floor plan using various symbols and images,and are further dimensioned and referenced to schedules in the construction drawings.The symbols used will depend upon the operating action of the door or window,the specifics needed to describe it,and the scale of the floor-plan drawing.In hand-drafting,these symbols are generated for each new project.However,when using a computer,doorand window symbols can be stared in a symbol library and merely called up and inserted in the proper location.