Westminster City Council King Street Low Carbon Trial

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Figure 1 - General Arrangement Drawing for King Street	10 - 11
Figure 2 - Shows the differences between the two schemes.	13
Figure 3 - General Arrangement Drawing for Marlborough Hill	14 - 15
Figure 4 - Westminster Footway Reconstruction Comparison Table	19
Figure 5 - Drawing of Current Specification – Footway Reconstruction (Scale 1:10)	19
Figure 6 - Drawing of Marshalls’ Specification (50mm slab Thickness) – Footway Reconstruction (Scale 1:10)	19
Figure 7 - Charging Point installation to power supply	21
Figure 8 - Charging Point installation to power supply	22
Figure 9 - The JCB excavator in action on King Street	23
Figure 10 Demonstrates the sustainable products and plant used	26
Figure 11 - Speedy Hire Electric Taxi Delivery Vehicle	28
Figure 12 - Graph Showing the Comparison of Operational Carbon Produced on King Street & Marlborough Hill	35
Figure 13 - Pie Charts Showing the Carbon Produced by Type Across Both Schemes	36
Figure 14 - Graph Showing the Carbon Breakdown Across All Operations	38 - 39
Figure 15 - Bar Chart Showing the Total Carbon Footprint at both sites	40
Figure 16 - Graph showing how the embodied carbon is broken down	41
Figure 17 - Table showing the whole tCO2e carbon footprint for both schemes:	42
Figure 18 - Table showing the King Street carbon savings	42
Figure 19 - The table below shows the approximate costs of the extraordinary items	49
Figure 20 - Stacked Graph showing the additional costs against the scheme estimate	50
Executive Summary	3
Introduction	5
Background	6
Scope	7
Limitations	7
Aims & Objectives	7
Scheme Details	8
Baseline	13
Comparison between King Street & Marlborough Hill	13
Methodology	17
PPM Standard Works Method – Marlborough Hill	17
King Street Deviations from Method - Operations	18
King Street Deviations from Method - Specification	18
PPM King Street Works Method	20
Power Supply	20
Specification	21
Plant	23
Materials	24
Transportation	26
Suppliers	28
Marketing Campaign	30 - 31
Results	34
Embodied Carbon	40
Overall Carbon Usage	42
Other Environmental Benefits	43
Site Feedback	44
Testimonials	45
Financial Impact	47
Conclusion	54
Recommendations	57
Article – Highways magazine	60
Article – Asphalt Now	61
Article – Asphalt Industry Alliance	62
Article – NLA.london	63
Article – uk.100	64
Appendix 1 – King Street Operations Carbon Footprint	68 - 69
Appendix 2 – Marlborough Hill Carbon Footprint	70 - 71
Appendix 3– Supervisor Check Sheet	72
– Site Set Up	72
Appendix 4 – Supervisor Check Sheet – Daily Record	74
Appendix 5 – Lessons Learnt Feedback from Site Staff	76 - 77

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