Addendum: Amendment to Closing Date: Proposals are hereby invited for the following: Provision of sewerage and stormwater monitoring services at the Port of Ngqura for a period of three (3) years. Scope: 1.1. Collection of sewerage and stormwater samples on normal days, and Collection of sewerage and stormwater samples on rainy days x 36; 1.2. Taking samples to a scientifically reputable and certified laboratory for analysis x 36; 1.3. Sample analysis to ensure accuracy x 36; 1.4. Produce monthly reports x 36. 2. Analysis for exceeded parameters to determine contaminants in collected samples x 36. Please confirm the closing time as two were published. Please note that this quotation was published late. (投標 №84368396cn)