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Forthbank Wind Energy Development - Partnerships for Renewables

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<strong>Forthbank</strong> <strong>Wind</strong> <strong>Energy</strong> <strong>Development</strong><br />

Temporary Construction Compound/Laydown Areas<br />

13.6.30 The measures outlined in the EMP will be implemented to ensure that activities carried out on<br />

the construction compound and laydown areas do not adversely affect the quality of surface<br />

and groundwater hydrology.<br />

13.7 Residual Effects<br />

13.7.1 Table 13.12 summarise the residual significance of the identified effects following the<br />

implementation of mitigation measures described above.<br />

Table 13.12 Residual Construction and Operational Effects<br />

Receptor Sensitivity Effect Magnitude<br />

Prior to<br />

Mitigation<br />

Surface Waters<br />

Black Devon<br />

River Forth<br />

Groundwater<br />

Soils<br />

On-site Soils<br />

Geology<br />

On-site<br />

Geology<br />

Hydrogeology<br />

Hydrogeology<br />

(Superficial<br />

Deposits)<br />

High<br />

Medium<br />

Low<br />

Low<br />

Medium<br />

Low<br />

Potential chemical<br />

pollution<br />

Potential modification<br />

to surface runoff<br />

Potential erosion &<br />

sedimentation<br />

Potential chemical<br />

pollution<br />

Potential modification<br />

to surface runoff<br />

Potential erosion &<br />

sedimentation<br />

Potential Impediments<br />

to Flows<br />

Potential<br />

contamination from<br />

oils/fuels/concrete<br />

pouring<br />

Potential<br />

contamination from<br />

suspended<br />

solids/erosion and<br />

sedimentation<br />

Significance<br />

Prior to<br />

Mitigation<br />

Residual<br />

Magnitude<br />

Following<br />

Mitigation<br />

Moderate Moderate Minor Minor<br />

Residual<br />

Significance<br />

Following<br />

Mitigation<br />

Minor/ Minor/ Negligible/ Negligible/<br />

Moderate Moderate Minor Minor<br />

Minor Minor Negligible Negligible<br />

Moderate Moderate Minor Minor<br />

Minor/ Minor/ Negligible/ Negligible/<br />

Moderate Moderate Minor Minor<br />

Minor Minor Negligible Negligible<br />

Minor Minor Negligible Negligible<br />

Minor Minor Minor Negligible<br />

Minor Minor Minor Negligible<br />

Disturbance of soil Minor Minor Minor Minor<br />

Compaction and Minor Minor Minor Minor<br />

erosion of soils<br />

Disruption to local<br />

geological features<br />

including shallow coal<br />

seams and adits from<br />

turbine excavations<br />

and other excavations<br />

required <strong>for</strong><br />

construction<br />

Modification of<br />

groundwater levels<br />

through dewatering<br />

Potential spills and<br />

leaks from<br />

oils/fuels/concrete<br />

pouring<br />

Modification of<br />

shallow groundwater<br />

flow<br />

Moderate Moderate Minor Minor<br />

Minor Minor Negligible Negligible<br />

Minor Minor Negligible Negligible<br />

Minor Minor Minor Minor<br />

November 2010 Chapter 13 Page 35<br />

Copyright <strong>Partnerships</strong> <strong>for</strong> <strong>Renewables</strong> <strong>Development</strong> Co. Ltd 2010 ©

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