East Anglia ONE Offshore Windfarm Landscape Management PlanWork No 38 to 41


August, 2016


5.2.2 Bare root plants 61.


The majority of woodland and hedgerow plants will be planted as bare root plants, as specified in the plant schedules in Appendix 7. All bare root plants will have vigorous and fibrous root systems which are reasonably equally developed in all directions and of adequate extents to support the growth of the plants root system. All plants will be protected by tree guards.


5.2.3 Root-balled plants 62.


A relatively small proportion of coniferous trees within the defined woodland planting areas will be planted as root balled plants, since conifers (such as Scots Pine, Larch and Holly) are best planted with some soil around their roots. Root balls will be well filled with fibrous roots and consist of reasonably cohesive natural soil which has been carefully lifted at the nursery so that it remains fully attached to the roots of the plant. Plants which have bare roots that have been “bagged up” with soil or containerised are not acceptable. All plants will be protected by tree guards.


5.2.4 Seeds 63.


All seed will be supplied to site in bags sealed by the supplier and clearly labelled with the percentage composition by weight mix of the seed mixture contained. Seed will not be dirty or damaged by vermin.


5.2.5 Native hedgerow and tree species 64. All hedgerow and tree species will comply with the following:


 Plant age will be a minimum of 2 years.  Plants will have been transplanted at least once in the nursery (1+1).  Bare root species will have a minimum of two substantial stems (breaks) from the lower third of the plant and a well branched form.


 Container grown species will have a minimum of three substantial stems from the lower third of the plant and a well branched form.


 Container sizes are specified in the plant schedule.  All plants to be protected by tree guards.


65.


5.2.6 Marginal and aquatic plants – SuDS detention basins, pond and swales All plant species will comply with the following:


 Plant stock should be sourced from local approved nurseries that only grow native species of local provenance to ensure suitability to local conditions.


 Topsoil will not to be placed within 300mm of the permanent water level in the wetland area, wetland plants will be directly planted into the subsoil.


 Swale planting along base to use specific swale plant mix, swale edges and edge of forebay area will be seeded with normal amenity grass and/or species rich grass.


 Forebay area and wetland area will be planted with appropriate native plug mix. 5.2.7 Labelling 66.


When supplied to the site all plants will be labelled in accordance with the relevant part of BS 3936 in order that they can be easily identified.


5.2.8 Substitutes 67.


If specified plants are unobtainable or know likely to be unobtainable then suitable substitutions can be made following approval from the Project contract administrator.


East Anglia ONE – EA1-CON-F-GBE-008554


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