Introduction to National Building Code and Steps in a Construction project
Introduction to National Building Code and Steps in a Construction Project
1). Why are building codes or standards essential for the modeling/efficiency of drawing in Revit?
Answer:
Building Codes of Standard Modeling.
- A model building code organization is a set of building codes that are developed and maintained by.
- A standard organization, this standard organization operates independently of the jurisdiction or area in, which the building code standard are being developed, local government or councils can be adopt.
- The building codes as they see early, in order to better observation of construction within area.
- Building codes organization establish minimum safety, construction and material requirements for builders to adhere it.
- To achieve the minimum standards of safety and welfare of residents of a building the governing body.
- Define a set of guidelines to regulate the construction activities termed as building codes, a building code is a set of rules to regulate the construction activities across the country.
NBC (NATIONAL BUILDING CODE of India) is a comprehensive building code is a national instrument.
- Providing guidelines for the regulating the building constructions activities across the country.
- It serves as a model code the adoptions by all agencies involved in building constructions work be they.
- Public works departments, other government construction departments, local bodies or private construction agencies.
- The code mainly contains administrative regulations, developments control rules.
- General building requirements, fire safety requirements, stipulations regarding materials.
- Structural design and construction, building and plumbing services approach to sustainability and asset and facility management.
2). From the national building code list the groups that will be essential to you when you begin modeling in Autodesk Revit.
Answer:- For the convenience of the users, this information is also in the following five groups of the, National building code of the india 2005 each incorporating the related the parts/sections dealing with particular area of building activity.
Group 1: For development, building planning and related aspects.
Group 2: For structural design and related aspects.
Group 3: For constructions related aspects including safety.
Group 4: For aspects relating to building services.
Group 5: For aspects relating to plumbing services including solid waste management.
Or
Group A: Residential
Group B: Educational
Group C: Institutional
Group D: Assembly
Group E: Business
Group F: Business
Group G: Industrial
Group H: Storage
Group I: Hazardous
Dealing in the respective areas.
The code, besides prescribing the various provisions, also allow freedom of action to adopt appropriate practices and provides for building planning, designing and construction for absorbing traditional practices as well as latest to a building including computer aided and/or other modern sensor aided activities in the various stage of conceptualization.
Planning, designing construction, maintaining and repairing the building, india being a large country with substantial variations from region to region, this code has endeavored to meet the requirements of different regions of the country geographical terrain, proneness to natural disasters, ecologically appropriate practices, use of eco friendly materials, reduction of pollution, protection and improvement of load environment and also socio economic consideration towards the creations of sustainable human settlements.
3). List the five major steps that occur in project cycle. The steps should include from conceptualization of project to maintenance and final stage.
Answer:- A land development/building project comprises the following major stages.
a). Location/siting.
b). Conceptualization and planning
c). Designing and detailing.
d). Construction/execution and
e). Maintenance and repair.
Each stage necessarily requires professionally of many disciplines who should work together as well co-ordinate term to achieve the desired product delivery with quantity, in an effective manner.
4). Give examples of different disciplines involved in construction of a project.
Answer:- Appropriate multi-disciplinary teams need to be constituted to successfully meet the requirement of different stages, each team may comprise need based professional out of the following depending upon the nature, magnitude and complexity of the projects.
- Architect.
- Civil engineer.
- Structural engineer.
- Geotechnical engineer.
- Electrical engineer.
- Plumbing engineer.
- Fire protection engineer.
- Heating ventilation and air conditioning engineer.
- Lift, escalator and moving walk specialist.
- Acoustics specialist.
- Information/communication technology engineer.
- Health safety and environment specialists.
- Environment/sustainability specialists
- Town planner.
- Urban designer.
- Landscape architect
- Interior designer.
- Quantity surveyor.
- Asse/faculty manager.
- Other subject specialists.
5). How are buildings classified? Place the following buildings under each category.
- Four-unit apartments
- School with capacity of 1000 students
- A single unit shops
- Multi story shopping complex
- Steel machine factory
Answer: - The building is classified as.
- Residential buildings.
- Educational buildings
- Institutional buildings.
- Assembly buildings.
- Business buildings.
- Mercantile buildings.
- Industrial buildings.
- Storage buildings.
- Hazardous buildings.
The buildings are placed under each category shown in the below
|
Sl.No: |
Buildings |
Category |
|
1. |
Four-unit apartments buildings |
Group-A (Residential sub-division A-4) |
|
2. |
School with capacity of 1000 students |
Group-B (Education sub-division B-2) |
|
3. |
A single unit shop |
Group-F (Mercantile building sub-division F-1) |
|
4. |
Multi story shopping complex |
Group-D (Assembly sub-division D-4) |
|
5. |
Steel machine factory |
Group-G (Industry building sub-division G-1) |
6). Distinguish the roles of Design team and management team.
Answer: -
Design Team:
- In building projects various aspects like form, space planning, esthetic’s, fire and life safety.
- Structural adequacy, plumbing services lighting and natural ventilation, electrical and allied.
- Installation, air conditioning heating and mechanical ventilations, acoustics sound insulation.
- Noise control, installation of lifts and escalators, building automation, data and voice.
- Communication, other utility services installation landscape planning and design, urban.
- Planning etc need to be kept in view right at the concept stage , The project requiring such multi-disciplinary inputs needs to be co-ordinate approach among the professional for proper integration of various design inputs, or this and to take care of the complexities of multi-disciplinary requirements, s design team professionals from required disciplines shall be constituted at the appropriate stage, here it is desirable that the multi-disciplinary integration is initiated right from the concept stage.
- The team shall depend on the nature and magnitude of the projects.
- Design is an evolutionary and participation process. Where participation of owner constitutes a very important input at all stages, and all same be ensured by the design team.
- To ensure proper implementation of the design the design team, may be associated during the construction/execution stage.
Management Team:
- The objective of project management of construction management is primary to achieve accomplishment of project in accordance with the designs and specifications in a stipulated time
- Cost framework, with a degree of assurance prior to commencement and satisfaction on accomplishment.
- For large projects, separate teams of experienced professionals from the required disciplines may be constituted for project management for project management and for construction management depending upon the complexities of the project,
- However, for similar projects these teams may be combined.
- The teams shall be responsible for day-to-day execution, supervision, quality control, etc and shall ensure inter-disciplinary co-ordinate during the construction stage, the team shall be responsible to achieve satisfactory complexion of the project management team associated actively during the project execution stage.
7). Refer to NBC, identify the modeling requirements for the project
- Height limitations
- Area limitations
- Room sizing
- Wall height
- Thickness based on fire life and safety
- Passageway requirements.
Answer: -
a). Height limitations: -
- The height limitation of building shall not be exceeded 15m.
- For building up on the height of 15m, there is no need to provide lifts.
- Housing for the low-income group shall preferably be up to maximum of two storey’s.
- Buildings for housing beyond 15m in height should be resorted to in exceptional circumstances and it should be governed by provisions laid down this code.
About my Model:
- The height of the building in my model is 6.0m (20 feet) which is less than 15 m.
Hence, it follows NBC guidelines.
b). Area limitations: -
- The maximum plot size with ground coverage not exceeding 75% shall not be less than 40sq.m in small and medium town and not less than 30sq.m in metropolitan cities.
- Plot sizes below 30sq.m, but not less than 15sq.m maybe permitted in case of cluster planning.
About my Model:
- The area occupied by the building in my model is greater than 40 sqm. Floor area of my model is 176.53 sq.m.
- Hence, it follows NBC guidelines.
c). Room sizing: -
- The area of habitable room shall not be less than 9. 5sq.m where there is only one room with a minimum width of 24m.
- Where there is two rooms, one of these shall not be less than 9. 5sq.m and the other not less than 7. 5sq.m with a minimum width of 2.1m.
About my Model:
- In my model the number of rooms in the building is 5 and the total area of the rooms is 151 sq.m.
- Which is greater than the value specified in the code. Hence the building is safe.
d). Wall height
- The minimum height of rooms/spaces shall be as follows.
- Habitable room :2.6m
- Kitchen: 2.6m
- Bath/water closet: 2m
- Corridor: 2.1m
- In the case of sloping roofs, the average height of roof for habitable rooms shall be 2.6m and the minimum height at eaves shall be 2.0m.
About my Model:
- In my model all the walls have a height of 3m which is greater than the minimum wall height specified in the code. Hence it is satisfied.
e). Thickness based on fire life and safety: -
About my Model:
- In my model the wall thickness is 12’’, which is greater than the specified value in the NBC code book. Hence model is safe.
f). Passageway requirements: -
- Passageways shall be of width not less than the calculated aggregated width of exit doorways leading from them on the direction of travel to the exist.
- In case of building there is a central corridor, which is a part of exist access, the doors of rooms shall open for rooms having assembly inwards to permit smooth flow traffic in the corridor.
8) We have identified requirements for modeling from question 7, Use these numbers from code book and verify the numbers used in modeling the unit from week 2 to week 4. If the numbers are not reasonable, use the numbers obtained from the code book to create a revision of the mode.
- This model resembles the actual modeling requirements for Project 1 of course work
Answer: -
As creating my project from week-2 to week-4 has been designed by the NBC Codal norms as shown in below.
- The height of the building in my model is 6.0m (20 feet) which is less than 15 m.
Hence, it follows NBC guidelines.
- In my model the number of rooms in the building is 5 and the total area of the rooms is 151 sq.m.
- Which is greater than the value specified in the code. Hence the building is safe.
- In my model all the walls have a height of 3m which is greater than the minimum wall height specified in the code. Hence it is satisfied.
- In my model the wall thickness is 9'', which is greater than the specified value in the NBC code book. Hence model is safe.
RESULT:
Created my project from week-2 to week-4 has been designed by the NBC Codal norms.