Vehicle crossing construction specifications

Residential Vehicle Crossing

Flexible construction

Sub Base        150mm Type 1 unbound mixture granular material to the specification of MCHW Clause 803

Binder             100mm AC 20 Dense Binder 100/150 Rec to BS EN 13108-1 Asphalt Concrete

Surface           25mm AC 6 Dense Surf 100/150 Rec to BS EN 13108-1 Asphalt Concrete

                   OR 30mm HRA 15/10 F Surf 100/150 Rec to BS EN 13108-4 Hot Rolled Asphalt

 

Industrial Vehicle Crossing

Rigid construction

Sub Base        150mm Type 1 unbound mixture granular material to the specification of MCHW Clause 803

Surface           200mm Class C32/40 concrete on waterproof membrane 65um thick Mesh reinforcement to

                       BS 4483:1998 reference A252 with 40mm cover

 

Flexible construction

Sub Base        150mm Type 1 unbound mixture granular material to the specification of MCHW Clause 803

Base               100mm AC 32 Dense Base 100/150 Rec to BS EN 13108-1 Asphalt Concrete Binder                       

                        65mm AC 20 Dense Bin 40/60 Rec to BS EN 13108-1 Asphalt Concrete

Surface           45mm HRA surface course type F 55/14

                   OR 30mm SMA 10 Surf

 

Cross fall standards

1:15 desired minimum

1:12 absolute minimum

If ground conditions are poor then additional type 1 granular sub base will be required.  

For further advice, contact highways.notices@essex.gov.uk and you will be put in touch with the Inspection Team.

 

Concrete Specification for Rigid Residential Vehicle Crossings

(only to be used as extension to existing concrete crossover or in special circumstances)

Sub-base:  150mm Type 1 unbound mixture granular material to the specification of MCHW clause 803

Surface:     150mm Class C32 /40 concrete on a waterproof membrane to MCHW 1007. The surface finish shall be a brush textured Arris trowel finish.

A concrete specification can be used where there is an extension to an existing concrete crossing. For a new crossing in a road where the majority of crossings are of concrete specification, contact highways.notices@essex.gov.uk where the Inspection Team will advise whether a concrete specification will be required.

 

Statutory Undertakers’ covers

All statutory undertakers covers located within the footway of a residential vehicle crossing must have strength equal or greater than class B125 from BS EN 124:1994. Small surface boxes must meet the requirements of BS 5834-2:1983 Grade B. Any crossing being designed to take Large Goods Vehicles must have strength equal or greater than class D400 from BS EN 124:1994.

 

Grass Verges

Any highway verge that is disrupted due to vehicle crossing works is required to be reinstated with a layer of 100mm topsoil and the prepared soil sown with seed. Seeding shall be carried out in accordance with BS 4428:1989.

 

Concrete Edgings

Pre cast Concrete Edgings shall comply with the requirements of BS EN 1340:2003.  Concrete for bed and backing shall be mix ST1 in accordance with Clause 2602 Table 26/1 MCHW. Edgings must be required at the back of the highway boundary.  Edgings will also be required adjoining paving slabs and highway verges.

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