Kent Design - Technical Appendix - Kent County Council

contents
contents
1. PROCESS........................................................................................................................................................9
1.1 Technical Assessment And Safety Audit...........................................................................................................................................10
1.1.1 Introduction and Summary of Process .........................................................................................................................................10
1.1.2 Outline Design Technical Assessment and Safety Audit - Stage 1 ................................................................................................11
1.1.3 Detail Design Technical Assessment and Safety Audit- Stage 2 .................................................................................................11
1.1.4 Phase 3 of the Technical Assessment and Safety Audit Process...................................................................................................12
1.1.5 Highway Structures ......................................................................................................................................................................12
1.2 Adoption ..........................................................................................................................................................................................13
1.2.1 Process..........................................................................................................................................................................................13
1.2.2 Adoption Policy.............................................................................................................................................................................15
1.2.3 Advance Payments Code (apc) Procedure ................................................................................................................................16
1.2.4 Section 38 Agreement of the Highways Act 1980 .....................................................................................................................16
1.3 A Sustainable Approach To Highways Construction .......................................................................................................................18
1.3.1 Introduction ..................................................................................................................................................................................18
1.3.2 Sustainability Action Plans ..........................................................................................................................................................19
1.3.3 Waste Audits.................................................................................................................................................................................19
1.3.4 Reasons for Waste Being Generated ............................................................................................................................................21
1.3.5 Information Contained in a Waste Audit ...................................................................................................................................21
1.3.6 Enabling Specification Clauses ......................................................................................................................................................21
1.3.7 References for Implementing Sustainability ...............................................................................................................................22
2. DESIGN ......................................................................................................................................................23
2.1 Highway Standards for Residential Roads........................................................................................................................................24
2.1.1 Highway Layout Design Guidance .............................................................................................................................................24
2.1.2 Town Centre Scenario 1 ............................................................................................................................................................25
2.1.3 Town Centre Scenario 2...............................................................................................................................................................25
2.1.4 Town Edge Scenario 1 .............................................................................................................................................................26
2.1.5 Town Edge Scenario 2 ..................................................................................................................................................................26
2.2 Geometric Requirements for Residential Roads ...........................................................................................................................27
2.2.1 Turning Facilities............................................................................................................................................................................27
2.2.2 Gradients ......................................................................................................................................................................................27
2.2.3 Junctions........................................................................................................................................................................................28
2.3 Highway Standards for Industrial and Commercial Roads...............................................................................................................29
2.3.1 General .........................................................................................................................................................................................29
2.3.2 Types .............................................................................................................................................................................................29
2.3.3 Geometric Requirements ............................................................................................................................................................30
2.3.4 Additional Requirements for Industrial and Commercial Roads...................................................................................................31
2.4 Cycleway Design .............................................................................................................................................................................31
2.4.1 Cycleway Standards..................................................................................................................................................................... 32
2.5 Summary of the Highway Standards................................................................................................................................................32
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Kent
Design