PAVEMENT DETAILS
NORFOLK COUNTY COUNCIL
HIGHWAY REQUIREMENTS:
2.0m WIDE VERGE
BASE COURSE
240mm THICK 60/40 ASPHALT CONCRETE
BASE COURSE TO BS EN 13108-1
EXISTING
HIGHWAY VERGE
TOPSOIL
MIN 100mm THICK
CLASS 5A TOPSOIL.
BINDER COURSE
60mm THICK ASPHALT CONCRETE BINDER
COURSE TO BS EN 13108-1
1, ALL WORKS IN THE HIGHWAY SHOULD ONLY BE
ATTEMPTED BY SUITABLY QUALIFIED AND
EXPERIENCED PERSONNEL. THE WORKS SHOULD
ONLY BE CARRIED OUT WITH THE CONSENT OF THE
DIRECTOR OF ENVIRONMENT, TRANSPORT AND
DEVELOPMENT, OR HIS REPRESENTATIVE, AND IN
ACCORDANCE WITH THE HEALTH AND SAFETY AT
WORK ACT 1974, AS AMENDED FROM TIME TO TIME,
AND THE CONSTRUCTION (HEALTH SAFETY AND
WELFARE) REGULATIONS 1996.
SURFACE COURSE
40mm THICK 30/14 H.R.A. TO BS EN 13108-4
CHANNEL BOARDS ARE TO BE USED TO
GIVE FREE CHANNEL. PSV=60.
HALF BATTER KERB
(125mm UPSTAND)
1:40
2, ALL WORKERS SHOULD BE CERTIFIED IN
ACCORDANCE WITH THE NEW ROAD AND STREET
WORKS ACT 1991.
3, ONLY CONTRACTORS APPROVED BY NORFOLK
COUNTY COUNCIL WILL BE ALLOWED TO CARRY OUT
WORKS WITHIN THE ADOPTED HIGHWAY.
4, DURING CONSTRUCTION ALL TRAFFIC CONTROL
MUST BE TO THE REQUIREMENTS
OF CHAPTER 8 OF THE TRAFFIC SIGNS MANUAL.
3
1
REQUIREMENTS OF THE HIGHWAY
INSPECTOR:
20 June 2014
20141034
1, ONCE APPROVED THE CONTRACTOR SHALL GIVE
ADVANCE NOTICE TO NORFOLK COUNTY COUNCIL
OF HIS INTENTION TO CARRY OUT THE WORKS.
THIS WILL ALLOW THE HIGHWAYS INSPECTOR TO
PROGRAM THE WORKS AND ENSURE PROPER
INSPECTION AT THE FOLLOWING DESIGNATED
STAGES:
ACCEPTABLE MATERIAL
EMBANKMENT TO BE FORMED WITH GENERAL ACCEPTABLE FILL
MATERIAL TO CLAUSE 608 OF THE SPECIFICATION FOR HIGHWAY
WORKS. COMPACTION TO BE IN LAYERS IN ACCORDANCE WITH
CLAUSE 612 OF THE SPECIFICATION FOR HIGHWAY WORKS.
SUBBASE
MIN 200mm THICK TYPE 1 SUB BASE LAID IN
ACCORDANCE WITH THE SPECIFICATION
FOR HIGHWAY WORKS.
CAPPING MATERIAL
CAPPING MATERIAL TO BE LAID FROM
1METRE BELOW FINISHED CARRIAGEWAY
LEVEL TO UNDERSIDE OF TYPE 1 SUB-BASE.
MATERIAL TO BE 6F1, LAID AND
COMPACTING IN ACCORDANCE WITH
SPECIFICATION FOR HIGHWAY WORKS.
EMBANKMENT CONSTRUCTION CROSS SECTION
START OF THE WORKS.
BEFORE BACKFILLING OF ANY TRENCH UNDER THE
HIGHWAY.
COMPLETION OF THE FORMATION.
COMPLETION OF THE SUB-BASE LAYER.
LAYING OF THE BASE COURSE.
LAYING OF THE BINDER COURSE.
LAYING OF THE SURFACE COURSE.
ACCEPTABLE MATERIAL
AREA OF MADE GROUND MATERIAL TO BE
REMOVED AND REPLACED WITH GENERAL
ACCEPTABLE FILL MATERIAL TO CLAUSE
608 OF THE SPECIFICATION FOR HIGHWAY
WORKS. COMPACTION TO BE IN LAYERS IN
ACCORDANCE WITH CLAUSE 612 OF THE
SPECIFICATION FOR HIGHWAY WORKS.
2, ABSOLUTELY NO WORKS SHOULD BE ATTEMPTED
WITHIN THE ADOPTED HIGHWAY UNLESS THE
FOREGOING IS COMPLIED WITH.
SCALE 1:20
NOTES
EXISTING
HIGHWAY VERGE
PROPOSED FOOTWAY
4.8m WIDE CARRIAGEWAY
SURFACE COURSE
40mm THICK 30/14 H.R.A. TO BS EN 13108-4
CHANNEL BOARDS ARE TO BE USED TO
GIVE FREE CHANNEL. PSV=60.
HALF BATTER KERB
(125mm UPSTAND)
1, THIS DRAWING IS TO BE READ IN CONJUNCTION
WITH NORFOLK COUNTY COUNCIL'S RESIDENTIAL
DESIGN GUIDE
FEBRUARY 1998 TOGETHER WITH
THE ESTATE DESIGN GUIDE
ROAD CONSTRUCTION SPECIFICATION.
2, NO WORKS ARE TO BE UNDERTAKEN WITHIN THE
EXISTING HIGHWAY, WITHOUT THE PRIOR CONSENT
OF THE DIRECTOR OF ENVIRONMENT, TRANSPORT
AND DEVELOPMENT.
PRECAST CONCRETE
KERBING AS SPECIFIED.
EDGING KERB (EF)
1:40
1:40
CONCRETE BED AND
SURROUND AS DETAIL.
1:40
NOTE
ALL ONSITE & OFFSITE SEWER/
HIGHWAY WORKS CARRIED OUT
PRIOR TO FULL TECHNICAL
APPROVAL FROM ANGLIAN WATER
SERVICES AND/OR THE RELEVANT
HIGHWAYS AUTHORITY SHALL BE AT
THE RISK OF THE CONTRACTOR
AND/OR CLIENT.
TIE IN DETAIL
SUBBASE
MIN 200mm THICK TYPE 1 SUB BASE LAID IN
ACCORDANCE WITH THE SPECIFICATION
FOR THE WORKS
BASE COURSE
240mm THICK 60/40 ASPHALT CONCRETE
BASE COURSE TO BS EN 13108-1
SAW CUT JOINT AND SEAL WITH HOT
POURED ELASTOMERIC POLYMER MODIFIED SKID RESISTANT BE EN 14023
50mm THICK H.R.A., LAID IN TWO 25mm
THICK LAYERS. MATERIAL TO CONFORM TO
BS EN 13108-4
BINDER COURSE
60mm THICK ASPHALT CONCRETE BINDER
COURSE TO BS EN 13108-1
100mm MIN. TYPE 1 SUB-BASE MATERIAL
(TO BE INCREASED TO 150mm UNDER
VEHICLE CROSS OVERS)
FULL CONSTRUCTION CROSS SECTION
PROPOSED FOOTWAY DETAIL
SCALE 1:20
SCALE 1:20
CONTRACTORS HEALTH & SAFETY ASSESSMENT
SCHEME - ACCREDITED CONTRACTOR
A
EXISTING CARRIAGEWAY
TACK COAT
EMBANKMENT DETAIL ADDED, PAVEMENT
DESIGN REVISED. REFER TO DRAWING
1197/HWY/S278/31 FOR FURTHER DETAILS.
REGULATING MATERIAL IN ACCORDANCE WITH TABLE 2.
WHERE TOTAL THICKNESS IS GREATER THAN 150mm,
MATERIAL TO BE LAID IN LAYERS PF 75 - 150mm
PROPOSED HIGHWAY TIE-IN DETAIL
THE ABOVE ROAD CONSTRUCTION DETAILS ARE BASED ON A RECOMMENDED
CBR VALUE OF 15%.
SCALE NTS
FURTHER CBR TESTING IS REQUIRED AT ROAD FORMATION LEVEL ALONG THE
CENTRELINE OF THE CAPPING LAYER TO CONFIRM THE CBR VALUE AND
DESIGN. IF CBR'S ARE LESS THAN 15%, THE SUB-BASE/FORMATION
THICKNESSES WILL NEED TO BE REVISED.
40mm THICK SURFACE COURSE 30/14 H.R.A. TO BS EN
13108-4 CHANNEL BOARDS ARE TO BE USED TO GIVE
CHIP FREE CHANNEL TO THE FULL CARRIAGEWAY WIDTH.
HAUNCH DETAIL
EXISTING
HIGHWAY VERGE
PROPOSED
ROUNDABOUT ISLAND
6.5m WIDE CARRIAGEWAY
2.16m WIDE CARRIAGEWAY
1/3 OF CARRIAGEWAY WIDTH
FALL TO OUTER CHANNEL
HALF BATTER KERB
(125mm UPSTAND)
4.34m WIDE CARRIAGEWAY
2/3 OF CARRIAGEWAY WIDTH
FALL TO INNER CHANNEL
100mm CLASS
5A TOPSOIL.
PLANE OUT MINIMUM 40MM
EXISTING SURFACE COURSE
HAUNCHING 0.8M WIDE
PRECAST CONCRETE
KERBING AS SPECIFIED.
SURFACE COURSE
40mm THICK 30/14 H.R.A. TO BS EN 13108-4
CHANNEL BOARDS ARE TO BE USED TO
GIVE FREE CHANNEL. PSV=60.
1:50
PRECAST CONCRETE
KERBING AS SPECIFIED.
150
150
150
1:50
EXISTING
CARRIAGEWAY
CONSTRUCTION
40mm THICK HRA SURFACING
COURSE TO BS EN 13108-4
SUBBASE
MIN 200mm THICK TYPE 1 SUB BASE LAID IN
ACCORDANCE WITH THE SPECIFICATION
FOR THE WORKS. SUB-BASE THICKNESS
DEPENDANT ON CBR %, AND ADJUSTED
ACCORDING TO TABLE A.
BASE COURSE
240mm THICK 60/40 ASPHALT CONCRETE
BASE COURSE TO BS EN 13108-1
ROUNDABOUT CROSS SECTION
SCALE 1:20
60mm OF 20mm NOMINAL SIZE ASPHALT
CONCRETE BINDER COURSE TO BS EN 13108-1
BINDER COURSE
60mm THICK ASPHALT CONCRETE BINDER
COURSE TO BS EN 13108-1
ROUNDABOUT DOME TO BE FORMED
WITH ACCEPTABLE MATERIAL AND
FINISHED WITH 100mm TOPSOIL AND
GRASS SEEDED.
ASD Engineering is part of the ASD Consultants group
240mm THICK BASE COURSE OF 40mm
NORMAL SIZE TO BS EN 13108-1
ASD Consultants
Tel: 01986 872250
16A Bridge Street
Fax: 01986 872228
Halesworth
DX 51201 Halesworth
Suffolk
Website: www.ASD-consultants.co.uk
IP19 8AQ
E-mail: enquiries@ ASD-consultants.co.uk
200mm THICK
TYPE 1 SUB BASE
CARRIAGEWAY HAUNCH / PLANE AND INLAY
SCALE 1:20