Page 411 - Trenchless Technology Piping Installation and Inspection

Inspection and QA/QC for Trenchless Installation and Replacement Methods 361

work-site area must be restored to existing grades and origi-
nal material condition.
2. The disturbed grass-surface area must be topsoiled, seeded,
fertilized, mulched, and anchored according the current DOT
standard specifications for construction. Slopes steeper than
1-on-3, must be sodded according to the current DOT stand-
ard specification for construction. If a final site restoration is
not completed within 5 days after completion of the opera-
tion, the installation of temporary soil erosion and sedimen-
tation control measures must be required.
3. On completion of the work, the contractor must remove and
properly dispose of all excess materials and equipment from
the work site.
4. The permit, including the surety requirements, must remain
in effect for a minimum of 1 year after completing the work to
monitor for settlements of the pavement and/or slope.

8.15 Summary
This chapter presented an overview of quality assurance/quality
control requirements for major trenchless installation and replace-
ment methods. An overview of each method with sample guidelines
for permitting and inspection were included. Pipeline owners and
design and consulting engineers can customize these guidelines
based for their specific project conditions.