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3.3.2 Checklist
Checklists are used to identify the effects on environmental impacts due to development activities on selected parameters. A sample checklist is given in Table 3.1.
3.3.3 Matrix
Matrix method is an extension to the use of checklist. There are numerous versions
of the matrix method, which assign type/magnitude of impact or description. Sample
matrix is given in Tables 3.2, 3.3 and 3.4.
3.3.4 Network
The network method is an effort to analyse the sequences of environmental impacts
that may be caused by proposed project activities (Fig. 3.2).
Sl. No. Attribute
Impact
Land Air Water Noise
Flora/
Fauna Socio-economic
1.
Clearing
✓
✓ ✓
✓
✓
✓
2.
Marking
✓
3.
Excavation
✓
✓ ✓
✓
✓
✓
4.
Scaffolding
✓
5.
Mixing
✓
6.
Movement of vehicles
✓
✓
✓
7.
Blasting
✓
✓ ✓
✓
✓
✓
8..
Crushing
✓
✓
✓
✓
9.
Operation of diesel generator
✓
✓
✓
10.
Water supply
✓
11.
Pumping
✓
12.
Labour camps
✓
13.
Electrification
✓
14.
Painting
✓
15.
Riveting
✓
16.
Welding
✓
17.
Installation of machinery
✓
✓
18.
Testing
✓
✓
Table 3.1 Example of a simple checklist for impact assessment of an industry at construction phase
3.3 Impact Prediction