ISC Class 12 Syllabus 2024 Geometrical and Building Drawing

GEOMETRICAL AND BUILDING DRAWING (870)
This subject may not be taken with Geometrical edge. The use of drafting machines will be
and Mechanical Drawing. permitted). A2 size paper will be used. The
recommendations of IS:962-1972 Indian Standard,
Candidates will be required to reach a minimum
Code of Practice for Architectural and Building
standard in the subject as a whole. The use of
Drawings should be followed.
drawing board, tee-square and set-squares will be
required. (Candidates may, if they wish, use a The use of models is to be encouraged in studying
drawing board fitted with parallel motion straight this syllabus.

CLASS XI

There will be two papers in the subject: Projection involving use of auxiliary planes: simple
problems on auxiliary projection. Simple problems
Paper I - Theory: 3 hours…… 80 Marks
on the intersection of prisms, pyramids, cylinders,
Paper II - Project Work ……. 20 Marks right circular cones, and spheres. Determination of
true length of a line in space: sections and surface
PAPER I (THEORY): 80 Marks development of prisms, pyramids, cylinders and
right circular cone. Helix treated as a locus with
SECTION A
applications on the projection of helices. Isometric
Plane Geometry and oblique projection without the use of isometric
Construction and use of scales including diagonal scales.
scales. Enlargement and reduction of irregular plane
figures. Construction of triangles, quadrilaterals and PAPER II (PROJECT WORK): 20 Marks
polygons. Similar plane figures. Problems on In addition to the syllabus prescribed above,
circles, tangents and normals. Loci such as the candidates are also required to be assessed in
paths of points in simple link mechanisms. Methods Project Work.
of construction of ellipse, including its elementary
properties, parabola and rectangular hyperbola: All candidates will be required to have completed
cycloidal and involute curves. two projects from any topic/s covered in theory.
SECTION B teacher. For details refer to Class XII.
Solid Geometry
Orthographic projection. (Diagrams printed in the
question papers may be either First or Third Angle
projections; the projection used will be stated.
Solutions in either First or Third Angle projections
will be accepted).

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CLASS XII

There will be two papers in the subject Assessment Criteria for different types of Projects
Paper I - Theory: 3 hours…… 80 Marks Theory Based Project: Mark allocation for each
project (10 marks)*:
Paper II - Project Work ……. 20 Marks
S. No. Criteria Marks
PAPER I (THEORY): 80 Mark 1. Title of the Project and 1
Introduction
Building Drawing 2. Content 3
Candidates will be required to answer all questions. 3. Presentation and originality 2
The course on Building Drawing should be based on 4. Conclusion/Comments/Summary 1
the form and construction of simple buildings and 5. Viva-Voce (Visiting Examiner) 3
parts of buildings; small dwelling houses (single and Total 10
two storey), garages, sheds and green houses.
Model Based Project: Mark allocation for each
Orthographic projection in either First or Third Angle project (10 marks)*:
projection, including sectional views of buildings
and parts of buildings and building details, e.g. S. No. Criteria Marks
foundations, walls (including openings), jambs, 1. Title of the Project 1
sills,
2. Model construction 4
lintels and arches, floors and roofs, doors and
windows, simple stairs. 3. Concise Project report 2

Preparation of simple working drawings and details 4. Viva-Voce (Visiting Examiner) 3
from free-hand sketches. Total 10
Free-hand sketching on both orthographic and
pictorial form of simple building details and tools Sketching Based Project: Mark allocation for each
used in the various building crafts and school project (10 marks)*:
workshops such as hammer, mallet, tri - square, plane S. No. Criteria Marks
chisel, trowel, screwdriver and the like.
1. Annotations 3
Drawing paper (folded) will be provided but
candidates may use any type of drawing paper for 2. Line weights 4
answering the question provided it is of suitable 3. Viva-Voce (Visiting Examiner) 3
quality and of the correct size.
Total 10
PAPER II (PROJECT WORK): 20 Marks
List of suggested assignments for Project Work:
In addition to the syllabus prescribed above, 1. Model Making:
candidates are also required to be assessed in Project
Work. Make a Study model to Scale, selecting any topic
from the syllabus. Example:
teacher and the Visiting Examiner appointed locally • Scaled model of Small Residence
and approved by the Council.
• Detailed model of Staircase
All candidates will be required to have completed two
projects from any topic/s covered in theory. • Model demonstrating different types of
roofs
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2. Market Survey on Building Materials 5. Working Drawings:
(Online/offline):
Prepare two simple working drawings (manually)
Conduct a market survey of selected building for any project, including sectional views of
materials which are commonly used in buildings and parts of buildings along with
construction along with their rates. Collect building details, with lineweights, e.g.: Civil
samples/pictures of any 5 building materials Drawings, Sections & Elevations, etc.
used (e.g.: Bricks, Wood & Wood Finishes,
Students must be given sample working drawings
Flooring, Doors & Windows materials). Prepare
for reference and asked to draft manually with
a report including:
lineweights (This exercise will help students
• The findings of your Market Survey, along understand the role of consultants who prepare
with samples/pictures of building materials different types of working drawings).
collected.
Example: Foundations, walls including openings,
• Factors to be kept in mind while selecting jambs, sill, lintels, arches, floors, roofs, doors and
building materials. windows & simple stairs.
• Innovation in technologies and other global
factors leading to a rapid change in building 6. Research Study:
materials.
Study any one of the following topics and present
your findings in the form of a report (giving a few
3. Site Study/Desktop Study:
examples of projects) OR prepare a Powerpoint
Select a site (It could be a site which is under presentation (of not less than 15 slides) on the
construction, a completed project such as an same.
apartment, bungalow, independent villa, interiors
of a residence or a project online, etc.). Visit the • Contemporary/Modern Architecture
selected site to understand the type of • Sustainable Architecture
construction, the materials used and the
architectural or interior design. • Traditional Architecture
Prepare a project report highlighting your • Art Deco
observations and findings along with site pictures.
• Brutalist Architecture
4. Sketching:
7. Precedent Study - Indian Architecture:
Develop ten free hand sketches of buildings and
their details. Examples: Conduct a deep and extended study on an Indian
• Door & Window details Architect (e.g. - Charles Correa, B.V. Doshi,
Raj Rewal, Laurie Baker, etc.). Prepare a report
• Types of bricks giving examples of the projects done by the
• Isometric views of building or their details architect, along with images & sketches OR
prepare a Powerpoint presentation (of not less
• Plan & Section details
than 15 slides) on the same.
• One point or two-point perspectives

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SAMPLE TABLE FOR PROJECT WORK
S. Unique PROJECT 1 PROJECT 2 TOTAL
No. Identification MARKS
Number A B C D E F G H I J
(Unique ID) of
the candidate Teacher Visiting Average Viva- Total Teacher Visiting Average Viva-Voce Total (E + J)
Examiner Marks Voce by Marks Examiner Marks by Visiting Marks
(A + B ÷ Visiting (C + D) (F + G ÷ Examiner (H + I)
2) Examiner 2)
7 Marks 7 Marks 7 Marks 3 Marks 10 Marks 7 Marks 7 Marks 7 Marks 3 Marks 10 Marks 20 Marks

1

2

3

4

5

6

7

8

9

10

*For breakup of the 7 Marks to be awarded separately by the Teacher and the Visiting Examiner, please refer to the table giving the criteria
for mark allocation for each project.

NOTE: VIVA-VOCE (3 Marks) for each Project is to be conducted only by the Visiting Examiner and should be based on the Project only.

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