NRA TA 85 Guidance on Minor Improvements to National Roads

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Chapter 3 Design Standards Vertical Alignment • Alterations shall be carried out to satisfy the Desirable Minimum requirements of <strong>NRA</strong> TD 9 “Road Link Design”. • Where it is not possible to meet the Desirable Minimum requirements it shall be recorded as a Departure. • Shall ensure that the proposed vertical design does not inadvertently introduce hidden dips.
Chapter 3 Design Standards Vertical Alignment • Example from Chapter 4 of <strong>NRA</strong> <strong>TA</strong> <strong>85</strong>/11
Page 1 and 2: NRA TA</st
Page 3 and 4: What does it apply to? • Minor Im
Page 5 and 6: Definitions Maintenance Schemes “
Page 7 and 8: Minor Improvements (contd.) Example
Page 9 and 10: Who is the Road Authority? • For
Page 11 and 12: Contents of The Preliminary Design
Page 13 and 14: Preliminary Design Report
Page 15 and 16: Chapter 3 Design Standards Horizont
Page 17: Chapter 3 Design Standards Horizont
Page 21 and 22: Chapter 3 Design Standards Overtaki
Page 23 and 24: Chapter 3 Design Standards Junction
Page 25 and 26: Chapter 3 Design Standards Safety B
Page 27 and 28: Chapter 3 Design Standards Safety B
Page 29 and 30: Chapter 3 Design Standards Drainage
Page 31 and 32: Chapter 3 Design Standards Non Moto
Page 33 and 34: Example 1: N72 Cappagh Bends • Re

NRA TA 85 Guidance on Minor Improvements to National Roads

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