Landscaping & Site Finishing — Category 16

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Grading, Sod & Seeding

ItemSpecification
Grade tolerance±15 mm (GPS-verified)
Slope from buildingMin. 2% for first 1.8 m (OBC)
Lawn drainage slopeMin. 1.5%
Topsoil depthMin. 100 mm (150 mm rec.)
Topsoil organic content4–15% (OPSS)
New sod watering25 mm/week for first 3 weeks
Hydroseed rate4–5 kg / 100 m²
Broadcast seed rate5–7 kg / 100 m²
Erosion stabilizationWithin 30 days of final grading

Tree & Shrub Planting

Hardscape — Pavers & Concrete

ItemSpecification
Paver base (pedestrian)200 mm Gran. A + 25 mm sand
Paver base (vehicular)300 mm Gran. A + 25 mm sand
Paver thickness60 mm ped. / 80 mm vehicular
Joint width2–3 mm polymeric sand
Edge restraint spikes300 mm o.c.
Compaction target98% Standard Proctor
Concrete (exterior)30 MPa, 5–8% air-entrained
Control jointsMax 3 m or 2.5× slab width
FinishMedium broom ⊥ to travel

Retaining Walls (Segmental)

Asphalt Pavement Structure

LayerMaterialThickness
SubbaseGranular B (Type II)150 mm
BaseGranular A300 mm
Base courseHL-8 (coarse)50 mm
Surface courseHL-3 (fine)40 mm
Total structure540 mm

AODA & Accessible Parking

ItemRequirement
Sidewalk widthMin. 1 500 mm (1 800–2 400 rec.)
Running slope (max)5% (1:20)
Cross slope (max)2% (1:50)
TWSIsAt curb ramps & vehicular areas
Type A space (van)3 400 mm + 1 500 mm aisle
Type B space (std.)2 400 mm + 1 500 mm aisle
Sign heightMin. 1 500 mm above grade

Accessible Spaces Required

Site Amenities & Lighting

Trades, Certifications & Standards

Safety & Critical Rules

Pro Tips