Introduction to National Building Code and Steps in a Construction project

1. Building codes are very important because they ensure that architects & contractors are making their structure as safe as possible. Safety & the webbing of tenants & residents is the ultimate goal for these regulations. This is why is so important to implement in our structures.& also the building codes are to provide a minimum standard to protect the public health, safety,& general welfare as they relate to the construction & occupancy of buildings & structures. It also provides protection from tragedy caused by fire, structural collapse & general deterioration. These rules specify call out the standards in all aspects of the construction of the building.

2. Group A: Residential

Group B: Educational

Group C: Institutional

Group D: Assembly

Group E: Business

Group F: Mercantile

Group G: Industrial

Group H: Storage

Group J: Hazardous

3.a)Location/sitting

b)Conceptualization & planning

c)Designing & detailing

d)Construction/Execution

e)Operation & maintenance

f)Final stage.

4)1)Architect

2)Civil engineer

3)Structural engineer

4)Geotechnical engineer

5)Electrical engineer

6)Plumbing engineer

7)Fire protection engineer

8)Heating, ventilation, air condition engineer

9)Lift, escalator,& moving walk specialist.

10)Acoustics specialist

11)Information/communication engineer

12)Health, safety & environment specialist.

13)Environment/sustainability specialist.

14)Town planner

15)Urban designer

16)Landscape architect

17)Security system specialist

18)Interior designer

19)Quantity surveyor

20)Project/construction manager

21)Accessibility & universal design specialist

22)Asset/Facility manager

23) Other subject specialists

5)

Buildings Catagory

a)four unit apartments Group A (Residential building)Subdivision A4

b)School with a capacity of 1000 students Group B (Educational building)Subdivision B2

c)A single unit shop Group F (Mercantile building)Subdivision F1

d)Multistory shopping complex Group D (Assembly building)Subdivision D6

e)Steel machine factory Group G (Industry building)Subdivision G1

6)Design Team-To ensure proper implementation of design during the execution of the project.

Management team-To achieve the satisfactory completion of project with regards to time, cost & quality.

7)Height & area limitation-

Occupancy class-Residential building

Type of construction-type 1

Floor area ratio-U.L

Road width-9m

Height-The maximum height of the building shall not exceed 1.5 times the width of road abutting plus the front open space, subject to the requirement of front open space of a maximum of 16m

Passageways-Corridors & passageways shall be width not less than the calculated aggregate width of exit doorways leading from them in the direction of travel to the exit.

Thickness based on fire life & safety(For R.C.C.material construction)-

Masonary walls-Solid (Required to resist fire from one side at a time)

Fire resisting rating Minimum thickness excluding any finish for fire resistance Minimum thickness actual cover

60 120 25 90 140 25

120 160 25

180 200 25

240 240 25

Size sizing-

Height of the room-The height of all rooms for human habitation shall not be less than 2.75m measured from the surface of the floor to the lowest point of the ceiling. The area of habitable room shall not be less than 9.5m2 where there is only one room with a minimum width of 2.4m. Where there are 2 rooms one of these shall not be less than 9.5m2 & the other less than 7.5m2 with a minimum width of 2.1m.

Kitchen-The area of a kitchen where a separate dining area is provided shall not be less than 5.0sqm. with a minimum width of 1.8m.where there is a separate store the area of kitchen may be reduced to 4.5sqm.A kitchen that is interned for use as a dining area also, shall have a floor area of not less than 7.5m2 with a minimum width of 2.1m.

Bathroom-The height of a bathroom or water closet measured from the surface of the floor to the lowest point in the ceiling shall not be less than 2.1m. The area of a bathroom shall not be less than 1.8sqm with a minimum width of 1.2m. The floor area of the water closet shall not be 1.1sqm. with a minimum width of 0.9m.If bath 7 water closets are combined its floor area shall not be less than 2.8 sqm. with a minimum width of 1.2m

8.

Room sizing