Current projects

News from our girls and boys in Bouaké!

10 November 2020
SADE Group is bolstering Bouaké’s drinking water supply for PFO Africa, head of the consortium awarded the overall contract by the Ivory Coast Hydraulics Ministry. After work began on the site at the end of March 2020, COVID-19 put a real spanner in the works: repatriation, temporary site shutdown, plus new health & safety rules. The project practically ground to a halt for several months, leading to comprehensive reorganisation last July.  Since then, 3 teams armed with an impressive selection of excavation equipment have been working 6 days a week to meet the deadline: two Ø 1,200 teams and one… +

Friedland shaft in Paris (Eole project)…

9 November 2020
A flagship worksite featuring an original technique developed by the experts of SADE Special Works. Currently, SADE Special Works is handling the earthworks for this 24.25m x 7.45m, 43m-deep rectangular shaft. Context Positioned in Paris on Avenue Friedland, which stretches from Boulevard Haussmann all the way to the Arc de Triomphe, the “Friedland shaft” will provide ventilation and emergency access for the future RER E regional express train station by 2022. It is nestled in a dense urban environment, surrounded by sensitive sites: RER Line A, which runs 4.85m from its walls and the many Haussmannian buildings lining the avenue.… +

SADE sees double

6 November 2020
Down near Dax, the small town of Castets plans to position itself as the new surfing El Dorado by playing host to a tourist complex, complete with a giant wave pool. This project and the population growth it will entail mean the town’s WWTP’s capacity needs to be doubled in advance. The Les Landes SYDEC (Departmental Municipal Equipment Authority) has selected SADE (head of consortium) and its partner Gallego for this mission. The challenge The goal, is to design and build the new infrastructure and partially modify the existing systems to boost treatment capacity from 2,750 PE to 5,500 PE,… +

SADE group is back in the Paris region’s drinking water plants

2 November 2020
With the award of the contract to renovate the Méry-sur-Oise drinking water production plant decanting unit for SEDIF as part of a consortium alongside SETHA. Since the changes made to the terms of SEDIF’s service delegation contracts, drinking water plant contracts had become few and far between for the Greater Paris Regional Division. But that doesn’t mean it’s lost its touch, and it’s now back with a bang with this valuable contract won by the Argenteuil Agency. The contract in brief As head of the consortium, SADE won Package 2, along with its partners SETHA and INEO (ENGIE’s electrical engineering… +

Down at the Blainville-sur-Orne port complex…

27 October 2020

Down at the Blainville-sur-Orne port complex…

SADE is building 2 twin XXL lifting stations for the rainwater collection, treatment and discharge project launched by Caen Normandie CCI. Identical and 50/50 These 2 underground concrete structures, located at either end of the platform, are absolutely identical. They are 7.50m high, 6m long and 3.60m wide, and house four 1,600m3/h pumps operated on a 3+1 basis. Each station is sized to lift half the volumes collected on the site up to a nearby retention and containment basin, meaning the 2 stations treat 100% of the rainwater. A tried and tested methodology The… +

SADE at the heart of the Senegalese drinking water supply system

19 October 2020
The “point B” plant and tanks, located in the heart of Dakar, form the input point of Dakar’s main water supply pipeline: ALG 1. After observing the existence of malfunctions and leaks, the operator, SEN’EAU, selected SADE to renovate two key components of the system, which involved totally shutting off the capital’s water supply. The works Replacement of a leaky valve (ø1,000mm) on the ALG1 pipeline Repair of a leaky pipe (ø600mm) at the start of the distribution network by fully replacing the valves and fittings in the output manhole. To replace the faulty parts within the deadlines, teams from… +

A new contract for two top projects in Costa Rica

13 October 2020

A new contract for two top projects in Costa Rica

Signed on October 6, 2020: a fine victory for SADE Costa Rica, assisted by the Group’s Head Office IT Department Support Division. Aya, which is SADE Costa Rica’s main client, is the state-owned company that manages drinking water and wastewater treatment service for 80% of the country’s population. It recently selected SADE for the biggest network extension project is has ever launched: a gigantic wastewater collection and treatment project for more than a million users in the country’s capital, San José, protecting rivers from WW discharged into the natural environment… +

One plant at a time

5 October 2020
Montmartin-Hauteville-Annoville and Lingreville wastewater treatment authority is getting stuck into the renovation of the current Montmartin-sur-Mer WWTP, built back in 2005. This WWTP’s incoming backflow station had one weakness: the input, via multiple force mains, of H2S gas (hydrogen sulphide) that oxidises the facility’s concrete structures and its upstream manhole. The Rouen Regional Division was awarded this worksite as lowest responsible bidder in June 2020, proposing the construction of a new HDPE station, near the existing one, so as to guarantee a fully-waterproof and non-H2S sensitive facility. The works, which began in August 2020, include: the fitting of an upstream… +

Immediate take-off for Cotonou

25 September 2020
Since July 2019, Cardinal Benrardin Gantin international airport in Cotonou has been getting a makeover. Franzetti Benin has been one of the key contributors… A welcome works extension! The Benin government had planned to build a new international airport, Glo-Djigbé, outside Cotonou over the next 3-4 years to replace the existing Cardinal Bernardin Gantin airport, to welcome more than 1 million passengers per year. Franzetti was set to play its part in this transition by giving a fresh lick of paint to the existing building. Given the current airport’s capabilities, the government ultimately decided to delay the construction of this… +

For GPSO it’s go, go, go…

24 September 2020
With the total rehabilitation of an accessible sewer main in Boulogne and a worksite combining chemistry and public works. Seine Ouest Assainissement, a subsidiary jointly owned by Veolia and SADE, has been awarded the wastewater treatment public-service outsourcing contract for GPSO (Grand Paris Seine Ouest, i.e. Greater Paris West Seine) up to the end of 2027. SOA’s contract covers approx. 60 replacement and/or rehabilitation operations on systems in 8 local towns and villages. One of these is the consolidation and rehabilitation of a section in Passage des Abondances (Boulogne-Billancourt). Did you say “accessibility”? Until now, the design & construction operations… +