Part 3: Chemical and electro-chemical tests. The first is the light manual compaction test in which a 2.5 kg rammer is used. The second is the heavy. Procedure described in 7.6.1 to 7.6.3 of BS 1377-1:1990. The procedures to be. Aug 31, 1990 - Buy BS 1377-3:1990 Methods of test for soils for civil engineering purposes. Product Format. PDF - English. PDF - English.

BS 1377-8: 1990 BRITISH STANDARD Incorporating Amendment No.