OPEN_796_EAONE_LANDSCAPE_SPECIFICATION 10 Aug 2016 APPENDIX 9
PRODUCTS
300 PREPARATION MATERIALS GENERALLY • Purity: Free of pests and disease. • Foreign matter: On visual inspection, free of fragments and roots of aggressive weeds, sticks, straw, subsoil, pieces of brick, concrete, glass, wire, large lumps of clay or vegetation, and the like.
• Contamination: Do not use topsoil contaminated with subsoil, rubbish or other materials that are: - Corrosive, explosive or flammable. - Hazardous to human or animal life. - Detrimental to healthy plant growth.
• Subsoil: In areas to receive topsoil or planting media, do not use subsoil contaminated with the above materials.
• Objectionable odour: None. • Give notice: If any evidence or symptoms of soil contamination are discovered on the site or in topsoil or planting media to be imported.
305 PERMITTED MATERIALS • Materials: Composted bark and Composted green/ food waste certified to PAS 100. • Give notice: before ordering or using. • Declaration of compliance in accordance with BS EN 13650: Required.
310 MATERIALS NOT PERMITTED • Materials: - Peat; - Products containing peat; and - River and canal dredgings.
315 IMPORTED TOPSOIL TO BS 3882 FOR GRASS SEEDING AND WOODLAND AREAS AND HEDGEROWS
• Quantity: Provide as necessary to make up any deficiency of topsoil existing on site and to complete the work.
• Standard: To BS 3882. • Classification: Multipurpose. - Grade: Within the parameters of 'sandy loam' textural class.
• Source: Submit proposals. - Product reference: Submit proposals.
335 IMPORTED MANUFACTURED TOPSOIL, CUSTOM MIX FOR GRASS SEEDING AND WOODLAND AREAS AND HEDGEROWS
• Quantity: Provide as necessary to make up any deficiency of topsoil existing on site and to complete the work.
• Source: Submit proposals. - Product reference: Submit proposals.
• Texture: Sandy clay loam. • Reaction, to BS 1377-3: pH 5.5-8.5. • Organic matter to BSI PD CR 13456: Minimum 5%. • Nutrient content: Minimum index values for nitrogen, phosphorus, potassium and magnesium to be as for BS 3882 multipurpose topsoil.
• Crumb structure: Made up of discernible crumbs. • Stone size in any dimension (maximum): 20 mm.
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