OPEN_796_EAONE_LANDSCAPE_SPECIFICATION 10 Aug 2016 APPENDIX 9
718 FINAL CULTIVATION FOR GRASS SEEDING • Compacted topsoil: Break up to full depth. • Tilth: Loosen, aerate and break up topsoil to a tilth suitable for blade grading. • Depth: 150 mm. • Particle size (maximum): 10 mm. • Timing: After grading and fertilizing, and within a few days before seeding. • Weather and ground conditions: Suitably dry. • Surface: Leave regular and even. • Levels: 25 mm above adjoining paving or kerbs and As section D20. • Undesirable material brought to the surface: - Remove visible weeds. - Remove roots and large stones with any dimension exceeding 20 mm.
720 FINISHED LEVELS OF TOPSOIL AFTER SETTLEMENT • Above adjoining paving or kerbs: 25 mm. • Below dpc of adjoining buildings: Not less than 150 mm. • Planting beds: Higher than adjoining grass areas by 50 mm. • Seeded areas: Extend cultivation into existing adjacent grassed areas sufficient to ensure full marrying in of levels.
• Sportsfields: To even levels and within the following permitted deviations: - From levels or gradients shown on drawings: ±75 mm. - From line between boning rods 30 m apart: ±25 mm.
• Within root spread of existing trees and shrubs to be retained: Do not dig or cultivate. • Adjoining soil areas: Marry in. • Thickness of turf or mulch: Included.
805 APPLYING SOIL AMELIORANT TO ALL LANDSCAPED AREAS • Type: Organic materials. • Locations: All planting areas. • Fully incorporate into topsoil to a depth of 150 mm. • Application: Spread evenly. - Timing: Apply prior to cultivation. - Rate: To suit soil report recommendations.
• Timing: Prior to cultivation. • Other requirements: Submit details of recent chemical and physical analysis before ordering.
810 APPLYING COMPOST TO ALL LANDSCAPED AREAS • Application rate for trees and shrubs: 50 mm thick. - Timing: Apply prior to cultivation.
• Application rate for grass: N/A. - Timing: Apply prior to cultivation.
• Application rate for planters: N/A. - Timing: Apply prior to cultivation. • Other requirements: None.
825 APPLYING FERTILIZER TO PROPOSED GRASS AREAS TO TURFED AREAS • Application: Before final cultivation and three to five days before seeding/ turfing. • Coverage: • Spread evenly, in transverse directions. - Rate: 50 g/m².
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