Quotations are hereby invited for maintenance, service, commissioning and calibration of the iron removal plant and the supply, installation and delivery of all associated components at the Client’s water treatment works. Specifications: - 25kg oxalic acid for treatment of the filter and filtration media and necessary components, qty: 1; - 300L Compressor with poking stick to poke air poke filtration media, qty: 1; - Gasket material to replace on the filter, if necessary, qty: 1; - Servicing and replacing oxidation unit (replacement of 2 x 55watt u lamps), qty: 1; - Service/Replacement of Venturi pump 0.75kw CPM of necessary, qty: 1; - Cleaning and ensure the pump level sensor is clean and calibrated, qty: 1. (投標 №113442321cn)