Common use of Compaction of surfaces Clause in Contracts

Compaction of surfaces. 6 Compaction of ground surface under floors etc including scarifying for a depth of 150mm, breaking down oversize material, adding suitable material where necessary and compacting to 90% Mod AASHTO density m2 2,010 SUB BASE Construction of pavement layers with material from designated excavations 7 Roadbed preparation and compaction of material to 93% MOD AASHTO Density (150mm) deep m3 271 Approved filling material supplied by the contractor 8 150mm G7 sub-base course under road compacted to 93 AASHTO density m3 542 9 Upper selected layer (G5) compacted to 95% MOD AASHTO, 150mm thick m3 271 Prescribed density tests on filling 10 Modified AASHTO density test No 20 Additional tests required by the engineer 11 In-situ dry density test No 10 12 Maximum dry density and optimum moisture content test No 10 13 CBR test No 5

Compaction of surfaces. 6 Compaction of ground surface under floors etc including scarifying for a depth of 150mm, breaking down oversize material, adding suitable material where necessary and compacting to 90% Mod AASHTO density m2 2,010 1,945 SUB BASE Construction of pavement layers with material from designated excavations 7 Roadbed preparation and compaction of material to 93% MOD AASHTO Density (150mm) deep m3 271 Approved filling material supplied by the contractor 8 150mm G7 sub-base course under road compacted to 93 AASHTO density m3 542 9 Upper selected layer (G5) compacted to 95% MOD AASHTO, 150mm thick m3 271 Prescribed density tests on filling 10 Modified AASHTO density test No 20 Additional tests required by the engineer 11 In-situ dry density test No 10 12 Maximum dry density and optimum moisture content test No 10 13 CBR test No 5