Bids Are Invited For The Object Of This Bidding Process Is The Acquisition Of Liquid Aluminum Sulfate (Ferrous Or Iron-Free) And Hydrated Lime In Installments For Water And Sewage Treatment, These Being Applied In The Water And Sewage Treatment Stations Of Samae, According To Quantities And Specifications Es Described In The Terms Of Reference (Annex I).

Hydrated Lime For Water Treatment - Ca(Oh)2 Content Minimum 90.00% - Cao Content Minimum 66.10% - Acid Insoluble Residue Content Maximum 0.20% - Packaging In Plastic Bag With 20 Kg - Minimum Validity Of 7 Months From The Issuance Of The Invoice, Liquid Aluminum Sulphate (Ferrous Or Iron-Free), For Water Treatment; 49.8% Sulfates; Density 1.31 At 1.34 At 34ºc; Water Insoluble Maximum 0.2%; Maximum Iron Oxide 1.2%; Minimum Aluminum Oxides 7.5%; Maximum Alkalinity 02%; Maximum Acidity 1.5%; Shade Of Sulfate Light Brown (Ferrous) And Colorless To Milky White (Iron Free); Heavy Metals: Pb Maximum 20 Ppm, Hg Maximum 20 Ppm