ARBO404

Module code

ARBO404

Module title

Tree Support Systems

Prescription

The aim of this module is to develop student’s knowledge of tree support systems in arboriculture.

Programmes

SX1803

NZQA Level

Level 4

NZQA Credits

5

Delivery method

Web-Supported

Learning hours

Total learning hours: 50

Resources required

Teaching and Learning Strategy: As per Ako: Teaching and Learning Directions – Project-based learning; Flipped Classroom; Blended Learning; Work-integrated Learning; Inclusive Practices
Learning Outcomes: 1. Demonstrate knowledge or installation equipment, cable, hardware, and support materials in an arboriculture situation.
2. Describe the process of installing a cable support system in arboriculture.
3. Describe the use and placement or rod bracing systems in arboriculture.
4. Demonstrate knowledge of inspection and maintenance cycles.
Content: • Hardware and support materials; threaded rod, cable pullers, wire rope grips, swages, drill bits, thimbles, washers, ground anchor, tree props
• Cable types; 6 x 19 IWRC wire rope, Cobra,, Tree Save
• Cable Anchors; Lag hooks, (J-Screws), eye nuts, eye bolts, anti-friction hose (Cobra), webbing sling (Tree Save)
• Tree types as good candidates for accepting support; tree species, growth rate, age, condition, importance, type, area of weakness, amount and location of sound wood
• Branch suitability; size, attachment points, angle of cable
• Pre-installation pruning; branch end reduction, thinning
• Cable placement determination; distances, number of cables, proximity
• Support system effects; loading of trunks and stems, formation of reaction wood, reduction of natural movement, tightness of cable.
• Rod bracing systems; through bracing, dead-end bracing, distance below/above the crotch, distance between rods, multi stemmed trees
• Inspection and maintenance cycles; synthetic, non-synthetic, dynamic, rigid, growth rates, location of system.
Assessment Criteria: Assessment in this module is mixed mode. Students must gain a minimum mark of 50% in the achievement-based assessments and meet all the requirements of the competency-based assessments including carrying out all tasks in a safe manner and to industry standard to be eligible for a final grade for this module. The final grade will be based on the marks from the achievement-based assessment tasks. Where there is no achievement based assessment involved, a competency pass will be given if competencies area satisfied
Learning and Teaching Resource: ? Tutorial notes, exercises and readings, flexible, blended learning focus to content and material, projects for project based learning.
? Interactive Moodle platform

ARBO404 – Tree Support Systems