Introduction to National Building Code and Steps in a Construction project

1) Why are building codes or standards essential for the modeling/ efficiency of drawings in Revit ?

Answer 1. A model building code organisation is a set of building codes that are developed and maintained by

a standard organisation. This standard organisation operates indenpently of the jurisdiction or area in

which the building code standards are being developed. Local government or councils can be adopt

these building codes as they see early, in order to better observation of construction within in area.

Building codes organisation establish minium 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

defines 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 guidlines for the regulating the building constructions activities across the country. The

It serves as a model code the adoptions by all agencies involved in builing 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

and general bulding requirements; fire safety requirements; stipulations regarding materials,

structural design and constructions (including safety): building and plumbing servies; approach

to sustainbility; 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 2. According to NBC buildings are classified according to use or the character of occupancy in one of the following groups:

Group A Residential

Group B Educational

Group C Institutional

Group D Assembly

Group E Business

Group F Mercantile(relating to trade or commerce)

Group G Industrial

Group H Storage

Group J Hazardous

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 3

A land development / building project comprises the following major stages:

a) Location/siting,

b) Conceptualization and planning,

c) Designning and detailing,

d) Construction/execution, and

e) Maintenance and repair.

Each stage necessarily requires professionally of many disciplines who should work together

as wel coordinated teram to achieve the desired product delivery with quantity, in an effective manners.

4) Give examples of different disciplines involved in construction of a project

Answer 4

Appropriate multi-displinary teams need to be constituted to successfully meet the

requirements of different stages. Eacch team may comprise need based professional

out of the following depending upon the nature, magnitude and complexity of the projects.

a) Architect,

b) Civil engineer,

c) Structural engineer,

d) Geotechnical engineer,

e) Electrical engineer,

f) Plumbing engineer,

g) Fire protection engineer,

h) Heating, ventilation and Air conditioning engineer,

i) Lift, Escalator and moving walk specialist,

j) Acoustics specialists,

k) Information/ communication technology engineer,

l) Health, safety and environment specialists,

m) Environment/sustainability specialist,

n) Town planner,

o) Urban designer,

p) Landscape architect,

q) Security system specialist,

r) Interior designer,

s) Quantity surveyor,

t) Project/construction manager.

u) Accessibility and universal design specialist,

v) Asset/faculty manager.

w) Other subject specialist(s).

5) How are buildings classified ? Place the following buildings under each category

a. Four unit apartments

b. School with capacity of 1000 students

c. A single unit shop.

d. Multi story Shopping complex

e. Steel machine factory

ANSWER 5. The buildings are placed under each category shown in the below.

Four unit apartments (Group A)

sub-division A-4

School with capacity of 1000 ( Group B) Sub-division B-2

A single unit shop Group F (Mercentile Building)

Sub-division F-1

Multi-story Shopping Complex Group D (Assembly Building)

Sub-division D-4

Steel Machine factory. Group G (Industrial Building)

6) Distinguish the roles of Design team and Management team

ANSWER 6

Design Team:

A design team can be a singular individual working on design projects across an organization,up to a team of 50+ designers who have their own department.There is lot that goes into effectively leading a design team.

In buidling projects various aspects like form,spaceplanning,aesthetics,fire and safety,structural adequacy,plumbing services,lightning and natural ventilation,electrical and allied installations,air conditioning,heating and mechanical ventilation,acoustics,sound insulation noise control,installation of lifts and escalators,building automation,data and voice communication,other utility installations,landscape planning and design,urban planning etc. need to be kept in right at the concept stage.The project requiring such multidisciplinary inputs need a co-ordinated approach among the professionals for prope rintegration of various design inputs.For this,and to take care of the complexities of multi-disciplinary requirements,a design team of professionals from required discipline shall be constituted at the appropriate stage.Here,it is desirable that the multi-disciplinary integration is intiated right from the concept stage.The team shall finalize the plan.The composition of the team shall depend on the nature and magnitude of the project.

Design is an evolutionary and participatory process,where paerticipation of owner constitutes a very important input at all stages,and the same shall be ensured by the design team.(SP 7 GROUP 1(2005)NCB-4.1 DESIGN TEAM)

Management team:

The management team is the group of individuals that operate at the higher levels of an organisation and have day to day responsibility for managing other individuals and maintaining responsibility for key business functions.

The objective of project management or construction management is primarily to acheive accomplishment of project in accordance with the designs and specifications in a stipulated time and cost framework,with a degree of assurance prior to commencement and satisfaction on accomplishment(SP 7 GROUP 1(2005).

7) Refer to NBC, Identify the modeling requirements for the project ( from week 4).

a. Height Limitations

b. Area Limitations

c. Room sizing

d. Wall height

e. Thickness based on fire life and safety

f. Passageway requirements

ANSWER:

According to NBC:

a) Height limitations:

The height limitation of building shall not be exceed 15m.

For building up to 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 storeys.

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.

b) Area limitaions:

The minimum plot size with ground coverage not exceeding 75 percent, shall not be less than 40m2 in small and medium town and not less than 30m2 in metropolitian cities.

Plot sizes below 30m2 but not less than 15m2 maybe permitted in case of cluster planning, however, i such cases 5the groung coverage and FAR shall be 100 percent and 2, respectively.

c) Room sizing:

The area of habitable room shall not be less than 9.5 m 2, where there is only one room with a minimum width of 2.4m

Where there is a two rooms, one of these shall not be less than 9.5m2 and the other not less than 7.5m2, with a minimum width of 2.1m.

d) Wall height:

The minimum height of rooms/ spaces shall be as folllows:

Habitable room: 2.6m

Kitchen : 2.6m

Bath/water closet: 2.1m

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 2.0 m

e) Thickness based on the fire life and safety:-

f) Passageway requirement:

passageways shall be of width not less than the calculated aggregated width of exit doorways leading from them in the direction of travel to the exist (in table 4 and 5).

In case of building, there is a central corridor, which is a part of exist acess, 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

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