Introduction to National Building Code and Steps in a Construction project
ANS1
- A set of standards that are uniform to all structures.
- It protects the construction safety
- Modern construction methods
- Provides building standards
ANS2
- Group A: Residential buildings
- Group B: Educational buildings
- Group F: Business buildings
- Group G: Storage buildings
- Group C: Assembly buildings
- Group H:Industrial buildings
- Group D: Institutional buildings
- Group J: Hazardous buildings
- Group E: Mercantile buildings
ANS3
Initiation
- undertaking the feasible study
- identifying the scope
- identifying the deleverables
- identifying the project stakeholders
Planning
After initiation planning stage comes in this stage large project is breaked in smaller task built your team prepare your shedule for the completion of your assigment make smaller target which are achievable within the given time frame
- create project plan
- work flow diagram
- estimating the budget
- gathering resources
- anticepating risk
Execution
It includes implementation of the above two stages
Closure
once the project is completed we provide the final sun=bmission determining the success of the project
- Analyse the project performance
- analyse the team performance
- conduct post implementation reviews
- accounting for used and unused budget
ANS4
- Construction.
- Finance and estimating
- Contracts and bid:
- Geotechnical
- Managements
- Structural
- Surveying
ANS5
a)Four unit apartments - Group A: Residential building.
b) School with capacity of 1000 students - Group B: Educational building.
c)A single unit shop - Group E: Mercantile building.
d)Multi story Shopping complex - Group E: Mercantile.
e)Steel machine factory - Group H: Industrial building.
ANS6
Design Team:
- Helps to finalise the plan
- Evaluationaries in the project
- Implementation the designs
Management team:
- Accomplishment of project
- Execute the design
- Achieves the satisfactory completion of the project
ANS7
a. Height Limitations
b. Area Limitations
c. Room sizing
d. Wall height
e. Thickness based on fire life and safety
f. Passageway requirements
Height Limitation:
As per NBC 2005, Clause C-2.5, the height of the building shall not exceed 15m. (page. no 43)
C-2.5 Height of Building
The height of building shall not exceed 15 m.
NOTES
1 For buildings up to the height of 15 m, there is no need to
provide lifts 2 Hasing for the low-income group shall preferably be up to
a maximum of two storeys
3 Buildings for housing beyond 15 m in height should be resorted to in exceptional circumstances and it should he governed by provisions laid down in this Code.
About my model:
The height of the building in my model is 6.4m which is less than 15m.
Hence, it follows NBC guidelines.
Area Limitation:
As per NBC C-2.3.1, page no 43
According to NBC 2005, the the minimum plot size with ground coverage not exceeding 75%, shall not be less than 40 sq.m in small and medium town and not less than 30 sq.m in metropolitan area.
C-2.3 Plot Area
C-2.3.1 Plot Size
The minimum plot size with ground coverage not exceeding 75 percent, shall not be less than 40 m² in small and medium town and not less than 30 m² in metropolitan cities. Plot sizes below 30 m but not less than 15 m² may be permitted in case of cluster planning. however, in such cases the ground coverage and FSI shall be 100 percent and 2 percent respectively (see also Annex E for Special requirements for cluster planning for housing)
About my Model:
The area occupied by the building in my model is greater than 40sq.m. Floor area of my model is 47'8"x40'8" i.e 175 sq.m
Hence, it follows NBC guidelines.
Room Sizing:
As per NBC 2005, C-3.3, page no 43
C-3.3 Size of Room
C-3.3.1 Habitable Room
Every dwelling unit to be provided should have at least two habitable rooms. Even if one room house is provided initially it should be capable of adding a new second room in future. However, in case single room tenements are required to be provided where future additions are not possible, the carpet area of multipurpose single room should be at least 12.5 m². Such one room dwelling units with 12.5 m² carpet area of habitable space is permitted only in cip of on site rehabilitation of slum dwellers. In a house of two rooms, first room shall not be less than 9.0 m² with minimuan width of 25 m and second room shall not be less than 63 m² with a minimum width of 2.1 m provided the total area of both the rooms is not less than 15 5 m In incremental housing the bigger room shall always be the first room
About my model:
In my model the number of rooms in the building is 4 and the total area of the rooms is (38.32m2)x2 + (36.33m2)x2 = 149.3m2 which is greater than the value specified in the code. Hence the building is safe.
Wall height:
According to NBC 2005:Clause F-3.4, the minimum height of rooms and spaces should be:
a) Habitable room - 2.75m
b) Kitchen - 2.6m
c) Bath/ Water closet - 2.2m
d) Corridors-2.1m
In case of sloping roof the average height of roofs for habitable rooms shall be 2.75m and the minimum height at eaves shall be 2.1m.
About my model:
In my model al the walls have a height of 3m which is greater than the minimum wall height specified in the code. Hence it is satisfied.
Thickness based on fire and life safety:
The thickness for masonry walls is given by the Table 2 of fire and life safety section of NBC 2005.
About my model:
In my model the wall thickness is 9" which is greater than the specified value
Passage requirment
It should be as per NBC 2005 table 1
ANS8
Model is as per NBC norms