300 pipe joints in a 250-metre-long internal cast iron rainwater stack suffering with corrosion are sealed, avoiding a total system replacement during the refurbishment of an office block
Category: Case Studies
Case Study: Corrosion Protection of 600mm Ductile Pipe & Outlets in Underground Pumping Station
Corrosion protection measures are made to a ductile pipe system including three outlets and six flanges in an underground pumping station operated by a UK water company
Case Study: Underground 600mm Concrete Water Main Pipe Break Repair in Canada
A city authority in Canada repair a break in an underground 600mm diameter concrete pipe at the exact point it passed through a wall, significantly reducing levels of water loss
Case Study: Repair of 1.05-Metre Long Crack in Cast Iron Downpipe at UK Hospital
A 1.05-metre long crack in a cast iron downpipe leaking rainwater into a wall cavity at a hospital is repaired in under 30 minutes with no disruption to patients and staff
Case Study: 3 Metre Section of Corroded Steel Gas Pipe in CHP System Repair & Refurbishment
A pipe carrying natural gas in a combined heat and power system is refurbished after water trapped between the line and a badly installed PVC tape caused heavy corrosion
Case Study: Leaking Welded Saddle Joint Repair on 150mm Steel Pipe at Pumping House
A leaking saddle joint welded on a 150mm steel pipe connected to a pumping house in Malaysia is sealed by building a repair up and over a 20mm step between the line and the joint
Case Study: Burst Copper Pipe Repair in Portable Horse & Dog Shower Unit
Copper pipes in a number of horse and dog showers which burst when temperatures in the UK went as low as -15°C are repaired, returning the units to service in under 30 minutes
Case Study: Seawater Storage Tank Floor Repair at Gas Processing Plant in Saudi Arabia
Gaps which had developed between rubber sheets covering the floor of a seawater storage tank at a gas plant are filled in to protect the exposed concrete coating the bottom of the tank
Case Study: Live Leak Repair of 150mm Cement Coated Steel Pipe on Water Network in Mexico
A live leak repair is made to an underground cement coated steel pipe supplying potable water in Mexico after removal of the outer shell revealed a 80mm split in the line
Case Study: Power Station Repair Extensive Damage to Alloy 20 Pump Lid Caused by Impeller
A pump lid made from Alloy 20 at a power station treatment plant undergoes repair instead of a $4000 replacement after extensive damage was caused by a falling impeller