SEPTIC SYSTEMS

 The downloadable files on this page have been modified for this website and are for information ONLY 

Department Of Health Approvals

• Septic Tanks

• Leach Drains

Warranty

• 15 Year Septic System Warranty

Engineering Certification

Septic System’s & Soakwell’s

• GNC Engineering Certification

 Septic System Installation Manual

• Installation manual for website

Drawings

• Leach Drain Drawing

• 1200 x 1500 Septic Tank Drawing

• 1500 x 1500 Septic Tank Drawing

• 1800 x 1500 Septic Tank Drawing

Great Northern Construction is proudly 100% Western Australian owned and operated.

Click here to download Great Northern Construction's Capability Statement.