634 In-place compaction density test reports

Specification section

31 20 00

Type

Test report

Priority

Low

Description

Specification 31 20 00 Earth Moving, paragraph 3.19 C. Testing agency tests compaction in place per ASTM D 1556, ASTM D 2922 and ATM T-11; trench backfill at least one test per 150 feet per layer (minimum two), developed areas one per 2,000 sq ft per lift (minimum three); subsequent work proceeds only after results comply. During construction. Read from the section with medium confidence; confirm the requirement before sending.

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