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A proposed development occupies a steep slope adjacent to a stream.
Which existing conditions should be investigated before determining
the site's suitability?
-ANSWER- Slope gradient, soil stability, erosion potential, drainage
patterns, flood risk, vegetation, and environmental regulations should
be assessed. These factors identify development constraints and
environmental hazards.
Why should a site inventory be completed before a site analysis?
-ANSWER- A site inventory documents existing conditions, while a site
analysis interprets their significance. Accurate inventory data helps
prevent design decisions based on incorrect assumptions.
A project site contains mature trees that provide shade and wildlife
habitat. What information should be collected before deciding which
trees to retain?
-ANSWER- Record species, size, health, structural condition, root-zone
extent, canopy spread, and ecological value. This information supports
tree preservation and reduces construction-related damage.
,How does a contour map help a landscape architect evaluate a site?
-ANSWER- Contour lines represent elevation and reveal landform,
slope, and potential drainage patterns. Closely spaced contours indicate
steeper slopes, while widely spaced contours indicate gentler terrain.
A site has compacted clay soil and poor infiltration. How might these
conditions affect a proposed landscape project?
-ANSWER- They may increase surface runoff, waterlogging, erosion, and
plant-establishment problems. Soil testing should guide drainage
improvements, soil remediation, and appropriate plant selection.
What is the purpose of identifying a watershed boundary during site
analysis?
-ANSWER- A watershed boundary identifies the land area that drains
toward a common outlet. Understanding it helps evaluate stormwater
flow, downstream impacts, erosion risks, and drainage-management
requirements.
A site receives intense afternoon sunlight but limited morning sunlight.
Which factors should guide plant selection?
-ANSWER- Plant selection should consider sunlight tolerance, heat
exposure, local climate, soil conditions, and water requirements.
Matching plants to their microclimate improves survival and reduces
maintenance needs.
What is the purpose of preparing a site constraints map?
, -ANSWER- A constraints map identifies areas where development may
be restricted or unsuitable because of steep slopes, wetlands, flood
hazards, protected vegetation, easements, or other physical and
regulatory limitations.
Why should existing utility locations be verified before construction
documents are finalized?
-ANSWER- Utility verification helps prevent service disruptions,
construction conflicts, safety hazards, and costly redesigns. Both
underground and overhead utilities should be documented.
How can a landscape architect evaluate whether a proposed pedestrian
route is accessible?
-ANSWER- Evaluate running slope, cross slope, surface stability, clear
width, transitions, landings, and applicable accessibility standards. The
route should provide safe and practical access for people with different
mobility needs.
A developer proposes building on land that contains a wetland. What
should be established before approving the development?
-ANSWER- Determine wetland boundaries, ecological functions,
hydrological conditions, jurisdictional requirements, and applicable
protection regulations. Avoidance should be evaluated before
considering minimization or mitigation.
How does a solar orientation study influence landscape planning?