Perth's £107m 'super sewer' uses reinforced steel composite pipes

dailyrecord.co.uk:

Perth’s £107 million “super sewer” project has been given an eco-friendly boost with the delivery of 500m metres of steel pipe which could help the 20-month project finish ahead of time.Eco-drainage firm Aquaspira has provided 520 metres of reinforced steel composite pipes as part of the multi-million pound upgrade to a critical section of the city’s sewer network.Due to their smaller size and light weight – which enhance site safety – bosses behind the sewer works now hope they can complete works two months ahead of schedule.Usually built using concrete pipe for strength, the manufacture and transport of these would generate significant carbon emissions.Instead, Aquaspira’s reinforced steel pipe has reduced product mass over a more traditional concrete solution by more than 5,000 tonnes.Now, the giant pipes have arrived on the site, with Mark Stanway, director at Aquaspira, explaining how the project is now running eight to ten weeks ahead of its January 2025 finish date.He said: “As well as providing technical support, design optimisation and provision of information to enable a detailed carbon evaluation, we also ensured the installation team was fully briefed on all aspects of the installation process working closely with the site manager to establish delivery schedules to suit the programme.“In addition to the 2.25m diameter steel-reinforced pipes, our solution also includes prefabricated access units.“These push-fit solutions reduced the installation of each manhole from an average of four days to around an hour, delivering dramatic cost and time savings to the job, as well as providing a far more environmentally friendly and safer solution.“Ultimately, we reduced the number of vehicle movements to site by over 65