Categories for Energy

Seawater for the thermoregulation of luxury hotels along La Croisette…

4 April 2023
…with a heating network laid by SADE. In 2025, Cannes’ iconic promenade will be revamped for pedestrian use, with green spaces and above all a heating network using seawater. Renewable energy is at the core of this project. Building works will begin in 2025 on a thermal power plant which will capture and heat seawater by incinerating the city’s waste. In preparation for the Croisette’s makeover, the municipality began by widening the beaches and renovating seaside establishments. The next step got under way in 2022, with the renewal of underground… +

Successfully renewing ties with Dalkia

2 February 2023
with the building of a heating network extension! In Fleury-sur-Orne in the Calvados region, DALKIA entrusted the Rouen RD (Giberville Agency) with the extension of the town’s heating network on Avenue d’Harcourt (RD 562) and Grande Rue. This turnkey project included the supply and laying of all elements, optimised at every step from preparation to execution. Raw data 1.1km of two-way network in Class II pre-insulated steel, 219mm inner diameter and 355mm outer diameter, for a total 2.2km of pipes. 140 16-metre tubes and special parts, arc-welded in 2 phases 200 welding operations and insulation repairs 8 joints and 10… +

Large-scale drainage works to the north of Tours

2 December 2021
5 years after La Riche, Rennes RD and SADE Special Works pooled their expertise once more on behalf of Tours Métropole, for vast drainage works between Tours and Saint-Cyr-sur-Loire. Broken down into two orders attributed to the Rennes RD and SSW, this 15-month, out-size task involved the extension of the drainage network to the north of the Tours metropolis, with the building of a primary collector to transport wastewater to the main treatment plant (La Grange) in La Riche, the ultimate goal being to close down all the small treatment plants in… +

Improving a municipality’s drainage network

24 November 2021
The Loire-Forez conglomeration entrusted the SADE Group with the separation of a sewer mains section in the Saint-Just-Saint-Rambert municipality. Works were co-contracted by the local SADE agency and DPSM, our Toulouse-based subsidiary and rehabilitation expert. Double, rehabilitate and separate Along around 450m on Avenue des Barques, the task was to: Rehabilitate a T180 ovoid Build a stormwater collector in parallel (800mm-diameter concrete) Create/modify all branch connections to separate stormwater and wastewater drainage along most of this section The DPSM teams took care of the rehabilitation, while the Poitiers-Metz RD, and more specifically the Saint-Etienne branch… +

Two thrusts from a single entry shaft to build a collector

18 November 2021
In Beaumont, as part of a project to install junctions to the Pourliat stormwater basin drain, Clermont Auvergne Métropole (CAM) called on SADE Special Works and the Poitiers-Metz RD (Clermont-Ferrand Agency), to create a stormwater collector using microtunnelling (1,200mm-diameter) along 635m. The works Works were executed: In two thrusts: the first along a straight distance of 240m and the second along 395m with a 200m bend of 400m radius from a single entry shaft to two exit shafts. Using standard techniques, SADE Special Works carried out the excavation works… +

Creation of an underground electric link to the Calvados wind farm

8 November 2021
In March 2021, building works began to the wind farm off the Calvados coast, with commissioning scheduled for 2024. RTE entrusted SADERTELEC with the creation of the project’s dual electric land link. Works were carried out in synergy with the Rouen RD up to February 2022. Very High Voltage Located 10 to 15km off the Courseulles-sur-Mer coastline, this wind farm will consist of 64 wind turbines capable of producing 450MW, i.e. 90% of the power needs of the Calvados area (approximately 630,000 inhabitants). Its production will be transported to… +

SADE Special Works’ finest manholes for the SIAAP north-east outfall

30 August 2021
To transport wastewater to its pre-treatment and treatment facilities, the Greater Paris Sanitation Authority (SIAAP) manages a 440km network composed primarily of outfalls with manhole access. The rehabilitation of 11 manholes, along the north-east outfall, was entrusted to SADE Special Works. A similar task across the board… For 10 manholes of 20m to 65m in depth, all equipped with a concrete staircase, SADE Special Works’ task was to clean, purge coatings, apply a special mortar for hostile environments and, where necessary, replace or install safety features such as handrails. …with… +

Rehabilitation of the sanitation networks on Esplanade Saint-Gervais in Rouen

28 June 2021
SADE and SAT working well together! The Rouen Normandie Metropolitan Authority has appointed a SADE (agent)-SOGEA consortium to rehabilitate the wastewater and stormwater networks on Esplanade Saint-Gervais in Rouen. This area on the banks of the Seine – used regularly for major events, such as trade fairs, funfairs, exhibitions, etc. – is now a huge construction site working to a tight timescale. Comprehensive collection The main objective is to be able to collect and pre-treat – by means of temporary connection points, a new network and associated works – all… +

DPSM pull out all the technical stops

16 June 2021
In Béziers, as part of the rehabilitation of a section of the town’s sanitation network. The Béziers Méditerranée Urban Authority has accepted DPSM’s solutions for the rehabilitation of a visitable segment of its sanitation network located right next to the mainline rail station and partly beneath its tracks. A strategic but congested main sewer This section is part of a mains sewer that transports just over half of all the town’s wastewater. A fact that led to the installation, during the works, of a by-pass with a capacity of 600m³/h. The DPSM teams… +

A large-scale project in the heart of Montpellier

18 January 2021
…Where the Marseille RD is replacing one of the city’s major feeders. Montpellier’s largest reservoir is located in the university district, fed by the Lez catchment spring, the region’s main resource. In the framework of laying works for Line 5 of the Montpellier tram system, SADE, under the direction of the agent Razel Bec, is replacing one of two feeders transporting water from this reservoir to the city’s secondary reserves. In order to expand its capacity, a 100mm-diameter concrete pipe is to be replaced by a 1,300mm-diameter steel-core pipe along 1,050m and… +