1. APPLICABLE SPECIFICATIONS AND STANDARDS: • American Standard for Nursery Stock. ANSI Z60.1-2004 • Principles and Practices of Planting Trees and Shrubs. International Society of Arboriculture • Standardized Plant Names, American Joint Committee on Horticulture Nomenclature • American National Standards Institutes for Tree Care Operations – Transplanting. ANSI A300-2005 • Standard Specifications for Road and Bridge Construction. Illinois Department of Transportation. 2. QUALITY OF TREE MATERIALS 2.1 Unless otherwise specified, trees must originate from an Illinois Department of Agriculture Certified Nursery within 100 miles from the Village of Bensenville. They shall have average or normal well-developed branches, together with vigorous root systems. Trees shall be free from insects, eggs, larvae, diseases, sunscald, knots, stubs, or other objectionable disfigurements. Trees must show appearance of normal health and vigor in strict accordance with these specifications. 2.2 Only trees tagged by Village staff will be accepted during delivery. 2.3 Trees shall be true to their name as specified. 3. SIZE – Trees shall be a minimum of 2 ½” in diameter (caliper). 4. MEASUREMENT FOR SIZE - Take caliper measurements six inches (6”) above ground.
