OPEN_796_EAONE_LANDSCAPE_SPECIFICATION 10 Aug 2016 APPENDIX 9


505 TREE PITS • Sizes: 75 mm deeper than root system and wide enough to accommodate roots when fully spread.


• Sloping ground: Maintain horizontal bases and vertical sides with no less than minimum depth throughout.


• Pit bottoms: With slightly raised centre. Break up to a depth of 150 mm. - Treatment: Soil ameliorant worked into pit bottoms.


• Pit sides: Scarify. • Backfilling material: Plant pit backfilling soil system, as section Q28. • Accessories: None.


535 STAKING GENERALLY • Stakes: Softwood, peeled chestnut, larch or oak, straight, free from projections and large or edge knots and with pointed lower end. - Preservative treatment: To provide a 20 year service life.


• Nails: To BS 1202-1, galvanized, minimum 25 mm long and with 10 mm diameter heads. • Stake size (minimum): 25 x 25 mm.


555 SHORT SINGLE STAKING FOR WHIPS AND FEATHERED TREES • Staking: Position stake close to tree on windward side and drive vertically at least 300 mm into bottom of pit before planting. - Backfiling: Consolidate material around stake


• Height of stakes: Cut to approximately 600 mm above ground level. • Ties: Adjustable ties. • Tying: Secure tree firmly but not rigidly to stake with at least two ties within 25 mm of top of stake.


595A TREE PROTECTION FOR TREES NOT ENCLOSED WITHIN DEER / RABBIT PROOF FENCING


• Manufacturer: Submit proposals. - Product reference: Submit proposals.


• Type: Round. • Material: Plastics mesh. • Size: 1.2 m high x 50 mm diameter. • Colour: Brown. • Support: Single timber stake. • General: Ensure that protection methods do not impede natural movement of trees or restrict growth.


WOODLAND PLANTING


600 WOODLAND WORK GENERALLY • Services: Check for below and above ground services, including land drainage, in the vicinity. Give notice if they may be affected and obtain instructions before proceeding. • Safety: Comply with Arboriculture and Forestry Advisory Group Safety leaflets.


605 EXISTING VEGETATION/ WEED CLEARANCE • Surface vegetation clearance: Screef an area one metre diameter around each planting location.


• Arisings: Remove. Page 37 of 54


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