The minimum quality control testing to be performed by the contractor is identified below.
Test Specification/Material
|
Test Method
|
Minimum Required Frequency
|
Test Specification/Material
|
Test Method
|
Minimum Required Frequency
|
Asphalt Concrete Pavement | ||
Asphalt concrete pavement (base course and surface course) | Asphalt oil content | 1 test/first day or 1/1000 TN |
Gradation | 1 test/first day or 1/1000 TN | |
Marshal test | 1 test/day or 1/1500 TN | |
Mix design | 1 submittal | |
Rice specific gravity (MPWSS 02510) | 1 test/day or 1/1500 TN | |
Compaction of asphalt concrete pavement | In-place density/thickness (MPWSS 02510) | 1 core/day or 1core/500 TN |
Earthworks | ||
Compaction of crushed base course for roadways | In-place density (MPWSS 02235/1.3) 95% minimum | 1 test/lift/4,00 square feet |
Compaction of crushed base course under curbs, gutters and sidewalks | In-place density (MPWSS 02235/1.3) 95% minimum | 1 test/lift/200 LF (C & G) or 1 test/lift/1,000 square feet (flatwork) |
Compaction of subbase course for roadways | In-place density (MPWSS 02234/1.3) 95% minimum | 1 test/lift/4,000 square feet |
Compaction of subgrade and embarkment for roadways | In-place density (MPWSS 02230/1.3) 95% minimum | 1 test/lift/4,000 square feet |
Compaction of subgrade under curbs, gutters and sidewalks | In-place density (MPWSS 02230/1.3) 95% minimum | 1 test/lift/200 LF (C & G) or 1 test/lift/1,000 square feet (flatwork) |
Crushed base course | Gradation - moisture density - fractured faces (crushed) - LA abrasion, LL, PL and PI (MPWSS 02235) | 1 submittal |
Pipe bedding | Type I bedding gradation and plasticity index/type II bedding gradation (MPWSS 02221) | 1 submittal |
Subbase course | Gradation - moisture density - fractured faces (crushed) - LA abrasion, LL, PL and PI (MPWSS 02234) | 1 sbmittal |
Subgrade and embankment | Moisture-density (MPWSS 02230) | 1 submittal per soil type encountered/1 submittal per borrow source |
Trench backfill | Moisture-density (MPWSS 02221) | 1 sub/soil type encountered 1 submittal/borrow source |
Trench compaction | In-place density (MPWSS 02221/1.4) 97% minimum | 1 test/lift/200 LF |
Trench compaction (laterals outside the road template, structures, valves, hydrants and manholes) | In-place density (MPWSS 02221/1.4) 97% minimum | 1 test/for each 2 feet of vertical depth/2 feet from edge of structure, valve, hydrant or manhole |
Portland Cement Concrete | ||
Portland cement concrete | Mix design | 1 submittal |
Portland cement concrete flatwork and curb and gutter | Air, slump, and 7-day and 28-day compression strength (MPWSS 025152) | Every 50 CY |
Portland cement concrete pavement | Air, slump, and 7-day and 28-day compression strength (MPWSS 025152) | Every 100 CY |
(Prior Code, § 11.05.070.010) (Ord. 2019-9, passed 9-3-2019; Ord. 2021-15, passed 12-20-2021)