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Overall use of pre-installed ducts would produce a lower impact as the extent of construction work would be reduced both in area and duration. The opportunity for unforeseen events or accidental spillages or releases would also be reduced or removed through the use of Option 1.
Table 1.5. Potential Impacts on Land Use Option 1: Pre-Installed Ducts Option 2: Open Trenching
Agricultural Land/ Loss of growing season
Smaller footprint with isolated disruption.
Far greater footprint and continuous linear disruption during the 44 week period of construction. Impact in EA ONE ES negligible
This would be covered by EMP therefore no impact/impact mitigated and within compliance limits
Potential to avoid disruption
Impact in EA ONE ES negligible
This would be covered by EMP therefore no impact/impact mitigated and within compliance limits
35 PRoW disrupted, no closures of cycle routes
Lesser impacts from use of pre-installed ducts as the extent of construction work would be reduced both in area and duration; for example there is a greatly reduced requirement for excavation through Option 1. Greater flexibility also exists in the ability to micro site jointing pits and associated laydown areas to minimise impacts further, and to avoid most sensitive areas. This flexibility would not be possible if Option 1 was refused.
Table 1.6. Potential Impacts on Ecology Option 1: Pre-Installed Ducts Option 2: Open Trenching Statutory designated sites Non-statutory designated sites Habitats No impact No impact
Smaller isolated footprints, hedgerows would largely be avoided (previously removed
New HDD with associated noise and vibration impacts
New HDD with associated noise and vibration impacts
Far greater footprint and a continuous linear disruption. Hedgerows for example would