DGS-1 to DGS-2 & DGS 16-C- relevant work and confined space permits not competed, pretask assessments and TBTs / JHA not provided, gas monitoring is inconsistent and not being performed at all locations where works are ongoing.  The Engineer performed a test at another location in the deep excavation where works were ongoing with the Contractor's personnel in deep trenches and recorded levels of H2S and carbon monoxide.  Bump tests are to performed for all Contractor's & Subcontractor's atmospheric testing instruments.
Hazard category: Confined Spaces