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1. UNIT II SITE PLANNING
Syllabus:
Surveys – Site analysis – Development Control
– Layout regulations- Layout design concepts.

2. SURVEYS
• Carried out by looking for
informations already recorded by
investigators and authorities and by
original field work

3. The town planning survey tells the
present state of the town and finds
out the details of
1. The people, their needs and
occupations.
2. The land and building and how they
satisfy the needs of the people.

4. Necessity
The two main advantages of a fully
documented survey is as follows
1. The survey helps to find the relationship
between complicated activities of a
town life.
2. It helps to give solution towards the
local requirements.

5. Collection of data
The following four surveys are carried out to
collect data
I. Functional survey
II. Social survey
III. Territorial survey
IV. Vital survey

6. Functional survey
The functional aspects of town life are studied.
The items included are
- means of communication
-conditions of industry
Types of information collected in functional
survey
1. Roads- History, Road width, Traffic survey and
tree planting.
2. Railways- positions of level crossing,
passenger stations and goods sheds.

7. 3. Air ports and sea ports
4. Waterways and canals
5. Local industries- availability of raw
materials and type of labour
employed.
6. Mines and their location
7. Probable cost of the scheme.

8. Social survey: Social aspects of the Town-
history, architecture, health, housing
Types of information collected
1. Ancient ruins of historical building
2. Architectural character
3. History of growth
4. Preservation of wild life
5. Parks and play grounds
6. Public services- water supply, sewerage,
electricity, telephones, street lighting.

9. Territorial survey
Physical features, agricultural soil, forests,
climatic conditions are studied
1. Geology
2. Contours of land
3. Rivers, oceans and lakes
4. Climatic conditions
5. Forest and other natural vegetation

10. Vital survey-The population
aspects.
1. History of the past growth of population
2. Density of population

11. Types of survey
I. Preliminary Survey
II. National Survey
III. Regional survey
IV. Civic Survey

12. I.Preliminary Survey
The data collected- preliminary in nature
1. Electric power and its distribution
2. Highways- conditions of road
3. Housing – Existing housing
4. Industries
5. Land use- Density and character of
towns
6. Railways
7. Water supply and Sewage

13. II.National Survey- A study of
natural resources
1. Administration- The aspects of land
survey
2. Agriculture- Types of agricultural soil &
crop Patterns
3. Communication facilities- Roads,
Railways, Waterways
4. Geography- Extent of sea coast

14. III. Regional survey
The town to be planned – should fit into
the conditions prevailing in the region
IV. Civic Survey
Survey done by the conditions in and
around the town
1. Communication amenities
2. Contour- helps in deciding gradients of
roads
3. Existing land use and land value

15. 4. Historical background
5. Housing – Characteristics of houses
6. Industries
7. Population
8. Preservation of natural features
9. Public buildings
10. Public health
11. Public services
12.Topography.