furnace and delivery of chemicals and reagents necessary for water treatment. Mainly production of drinking water by the factories and stations of the Régie des Eaux; wastewater treatment in treatment plants and pool water treatment.
Framework agreement with single-time purchase orders (one successful tenderer - individual or group - provided for per lot), for 1 period of 7 years. Notif prev 01/01/2023 until 31/12/2029.
Procedure with negotiation "Contracting Entity", art L.2000-5 (needs falling under both ea and Pa activities), L2124-3, R.2124-4, R.2161-21 to R.2161-23 of the Public Procurement Code (CCP). The maximum of each lot are expressed in quantity, and not in value Amount indicated below and maximum quantities given as an estimate in the light of the current physico-chemical characteristics of the water to be treated likely to evolve
supply of powdered activated carbonminimum annual quantity to be delivered: 7 Tons;
Maximum annual quantity to be delivered: 100 Tons
supplies of acids (hydrochloric and citric in particular)minimum annual quantity to be delivered: 0 tonnes
; Maximum annual quantity to be delivered: 10 tons.
In bags or cans for hydrochloric acid, in 25-litre cans for citric acid
Ferric chlorideferric chloride 40%.
Minimum annual quantity to be delivered: 30 tonnes
; Maximum annual quantity to be delivered: 400 tons.
To be delivered in bulk
calcium nitrate 51 %minimum annual quantity to be delivered: 5 tonnes
; Maximum annual quantity to be delivered: 50 tons.
To be delivered in bulk.
Mainly for recovery posts
aluminum/alumina sulfatealuminum sulfate powder NF En878
polymerized drinking water coagulantminimum quantity 0 tons, maximum 200 tons (annual) from 2024 for La Belle Angèle plant in Pont-Aven
Bleach(sodium hypochlorite solution 13° active chlorine: 47-50° chlorometric).
Minimum annual quantity to be delivered: 20 Tons; Maximum annual quantity to be delivered: 100 Tons
To be delivered in bulk to drinking water production plants, and in bulk or in cans in WWTPs or aquatic centres
flocculant polymersFlocculants used for wastewater treatment. Delivery in bags, bulk or IBC 1050 kg. Quantity between 0 and 40 tons per year
coagulants and flocculants drinking wateraluminum-based coagulant / High-basic aluminum polyhydroxy chlorosulfate and associated flocculant polymers.
Jar tests to be planned as soon as possible on the different sites.
Minimum annual quantity to be delivered: 20 Tons; Maximum annual quantity to be delivered: 600 Tons
To be delivered in bulk to drinking water production plants.
bulk carbon dioxide including tank rentalminimum annual quantity to be delivered: 50 Tons; Maximum annual quantity to be delivered: 400 Tons
supply of quicklime or slaked lime (calcium oxide and hydroxide) in bulkcalcium oxide, calcium hydroxide (quicklime, slaked lime)
Minimum annual quantity to be delivered: 50 tonnes; Maximum annual quantity to be delivered: 500 tons.
Quicklime with delayed reactivity for the hygienization of sewage sludge;
Slaked lime for drinking water production
supply of soda detergent and caustic soda 30.5% (Sodium hydroxide)bulk delivery (Zabrenn plant and Clohars WWTP)
Minimum annual quantity to be delivered: 30 tons; Maximum annual quantity: 350 tons.
terrestrial limestonecalcium carbonate for the remineralization of drinking water
minimum annual quantity to be delivered: 3 Tons; Maximum annual quantity to be delivered: 50 Tons
supply of marine limestone (maerl or equivalent)Marine calcium carbonate: Maerl and lithotamne, depending on the station
minimum annual quantity to be delivered: 0 Tons; Maximum annual quantity to be delivered: 30 Tons