Common use of Impurities Clause in Contracts

Impurities. The broken stone shall be free from dust and dirt and shall be washed as necessary to ensure that all faces of the stones are perfectly clean. The minimum individual percentages by weight of deleterious substance in any size of coarse aggregate shall not exceed the following values: Materials passing through No.100 screen (ASTM) 1% Shale 1% Coal 1% Soft fragments 1% Clay lumps 1% Other deleterious substances 1% The sum of the percentage by weight of all deleterious substances in any size shall not exceed 5%.

Impurities. 84 The broken stone shall be free from dust and dirt and shall be washed as necessary to ensure that all faces of the stones are perfectly clean. The minimum individual percentages by weight of deleterious substance in any size of coarse aggregate shall not exceed the following values: Materials passing through No.100 screen (ASTM) 1% Shale 1% Coal 1% Soft fragments 1% Clay lumps 1% Other deleterious substances 1% The sum of the percentage by weight of all deleterious substances in any size shall not exceed 5%.