Public Works Department

Public Works Department has published Bids Are Invited For Ferric Alum Grade - Iv - Supplying Of Ferric Alum Grade-Iv In Solid Form For Treatment Of Water Intended For Drinking Conforming To Is: 299: 2012 ( Fifth Revision ) Having Following Requirements:1 ) Insoluble Matter, Percent By Mass, Max-0.22 ) Soluble Iron Compound ( As Fe ) , Percent By Mass, Max-0.043 ) Water Soluble Aluminium Compound ( As Al2o3 ) , Percent By Mass, Min-164 ) Ph ( 5% Of Aqueous Solution ) , Min-2.75 ) Free Acidity ( As H2so4 ) , Basicity ( As Al2o3 ) , Percent By Mass, Max-0.56 ) Lead ( As Pb ) , Ppm, Max-207 ) Arsenic ( As As2o3 ) , Ppm, Max-48 ) Mercury ( As Hg ) , Ppm, Max-0.49 ) Manganese ( As Mn ) , Ppm, Max-2010 ) Chromium ( As Cr ) , Ppm, Max-2011 ) Cadmium ( As Cd ) , Ppm, Max-412 ) Selenium ( As Se ) , Ppm, Max-413 ) Organic Impurities:A ) Phenolic Compounds ( As C6h5oh ) , Ppm, Max-0.4B ) Aniomic Detergents ( As Mbas ) , Ppm, Max-80Materials To Be Supplied At Water Treatment Plant, Garacharma. Total Quantity : 1. Last date of submission for this tender is 2021-10-08. This is a Pure Elemental Gases tender in null, Andaman And Nicobar Islands