Mahatma Gandhi Road Sewer Pump Station Presented by: Kendall - PowerPoint PPT Presentation

Mahatma Gandhi Road Sewer Pump Station Presented by: Kendall Slater Hatch Goba Your Organisation Logo here

Introduction Your Organisation Logo here

Contract Details Employer: eThekwini Municipality Water and Sanitation Engineer: Hatch Goba in association with: Drennan Maud and Partners Contractor: Group Five Ltd in association with: Coleman Tunnelling (Microtunnel Sub contractor) EsorFranki (Piling Sub contractor) Hidrotech Systems (Mechanical) Kaltron (Electrical) Your Organisation Logo here

Location Your Organisation Logo here

Tunnel Horizontal Alignment Your Organisation Logo here

Pipe Construction • 100 year life • 40 Mpa, 145mm wall, HDPE Lining • Duplex Stainless Steel Collars • Gollwitzer – Germany • 1,2m Diameter Your Organisation Logo here

Micro Tunneling • Slurry Micro TBM. • AVN 1200 TC. • Refurbished by Herrenknecht, Germany. • Controlled on Surface. • GPS and Gyroscope navigation system. • Direction and movement controlled by Hydraulic Jacks. • 4 degree steering angle. • Bentonite lubrication system and face pressurisation. • Intermediate Jacking Stations. • 750 kN Jacking force Your Organisation Logo here

Micro Tunneling Your Organisation Logo here

Micro Tunneling Your Organisation Logo here

Pump Station • 3 Components • Screening Chamber • Main Sump • Surface Structure • 6157-100-005 Pump Station General Layout.pdf • All unique and individual challenges Your Organisation Logo here

Screening Chamber • Use of existing structure • Space constraints • Cost Saving • Tunnel Reception Pit • 3 Screening Channels • Mechanical Screens • 40 Mpa, 19mm Concrete • 40mm Cover • Xypex Epoxy paint protection Your Organisation Logo here

Main Sump • Outer shell with Diaphragm Walls • 17m deep, 1m thick • Panels to form 23m x 17m rectangular structure. • 40MPa Concrete, 75mm Cover • 3.5m thick Concrete Base • 1000 cubic meter underwater pour. • 4500 cubes excavation • Dredge/excavator Your Organisation Logo here

Main Sump (Cont) Your Organisation Logo here

Main Sump (Cont) Your Organisation Logo here

Surface Structure • Architectural Feature • Public Access • Environmentally Friendly • Limited Height • Complex Formwork • Roof Garden • Tifa formwork with Special Shutter specification to outer walls. • Waterproofing paint on product under topsoil. Your Organisation Logo here

Mechanical & Electrical • 4 Immersible Pumps – 250kw each • 1 m diameter manifold Pipes • Combination Stainless Steel/HDPE • Backup Generator • 3 Mechanical Front Rake Screens • Sluice Gates • Fully Automated • Variable Speed Drives • Odour Control System Your Organisation Logo here

Summary • Multi Discipline Project • Unique Solutions • Country Firsts • Various uses of Concrete • Water Retaining • High Finish • High Spec • Shotcrete • Protection • Environmentally Friendly Structure with Combination industrial, public access. Your Organisation Logo here