USQ Glasshouse & Dam

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Client: Wiley & Co Pty Ltd

USQ Toowoomba Glasshouses, Irrigation Dam & Civil Drainage.

Contract Value: Over $500k

Contract Duration: 6 Months

Project Description: 

HTQ were engaged to carry out Bulk Earthworks and Civil Drainage works including:
• 2 x Supply and install rubble grates
• 719m Supply and install of sediment control fence
• 7 x Supply and install rock check dams
• 1.52HA of clearing and grubbing
• 2280m3 Strip topsoil (150mm Nom. Thick) and stockpile
• 638m3 Excavation of material for re-use as fill
• 4596m3 Excavation of material and removal off site
• 414m2 Supply and Installation of turf
• 8892m2 Trim and compact subgrade

• 120m3 150mm min CBR 45 including supply, compaction, spreading, watering, rolling and brooming
• 37m3 200mm min CBR 80 including supply, compaction, spreading, watering, rolling and brooming
• 613m3 150mm min CBR 20 including supply, compaction, spreading, watering, rolling and brooming
• 50m3 Subgrade replacement using existing material (min CBR 15)
• 50m3 Subgrade replacement using imported material (min CBR 15)
• 7086m2 Final trimming to roads, car parks and footpaths
• Tolerances were +15mm on building platforms and carparks and +-25mm on
irrigation dams and drains

Level 1 Geotechnical Supervision and testing was carried out on pavements and allotment compaction was closely coordinated by HTQ to ensure clients timeframes were met.