DEP reserves the discretion to deviate from this policy statement if circumstances warrant. The inspection of field constructed tanks may include non-destructive exam of welds, seams, and nipples and validation of any welding certifications. The inspection of large manufactured aboveground tanks shall include review of any available and applicable manufacturer's checklists to verify that the tank was installed to manufacturer's specifications. The inspection shall include review of any available and applicable manufacturer's checklists to verify that the tank was installed to manufacturer's specifications. The letter must be attached to the registration form and submitted along with all other relevant documentation.
Relevant documentation includes manufacturer's checklists and any results of a test for tightness.
B. A certification through a manufacturer or a Professional Engineer that the tank was constructed to industry standards . Examples include UL and API Labeling. C. A test for tightness according to industry standards for field constructed storage tanks. The test for tightness may be hydrostatic or by other recognized non-destructive means. The results of the test for tightness must be submitted along with the registration form.