HI Landscape case studies
HI Landscape · Put your knowledge to work in context.
The HI Landscape exam is a multiple-choice credential assessment for people who plan, build, and maintain residential and commercial landscapes. It suits landscape designers, installation crew leads, maintenance supervisors, and contractors who need to demonstrate working knowledge across the whole project lifecycle rather than a single trade. The HI Landscape case studies are 5 cases and about 2,800 words.
1Memory-Care Courtyard Retrofit with Tree and Fire-Lane Constraints
A 26-bed memory-care facility asks you to convert a 420 m² rectangular courtyard into a secure garden. The only resident door is at the north-west corner; room windows overlook the courtyard.
658 words, about 3 min2Boulevard Median Planting Failure under Salt and Poor Drainage
A new 1.1 km boulevard median is 3 m wide with 0.45 m of engineered soil over compacted subgrade. There is no permanent irrigation, only temporary establishment watering.
556 words, about 3 min3Segmental Retaining Wall Movement under Parking Surcharge
Four years after construction, a 2.4 m-high segmental block retaining wall along a parking lot shows a 40 mm outward lean at the top, horizontal cracks in the upper courses, dry weep holes, rust stains, and 25 mm settlement with ponding in the pavement above. The wall is 38 m long and retains a 1.5 m soil slope plus parking surcharge.
512 words, about 3 min4Soccer Field Irrigation Audit with Low Pressure and Slope Runoff
A municipal soccer field is 100 m by 64 m and divided into four irrigation zones with 24 pop-up rotors. Static pressure is 4.2 bar, but dynamic pressure at the last head is 2.4 bar.
542 words, about 3 min5Park Change Order, Delay, and Unsafe Utility Excavation
A park renovation contract is valued at 1.85 million with 180 calendar days and liquidated damages of 1,500 per day. At day 60, the contractor reports 20% complete.
532 words, about 3 min