Workflow Guides
Sewer Pipe Depth of Cover Requirements
Minimum depth of cover for gravity sewer — 36-inch standard, frost depth overrides in northern states, traffic loading requirements, and how to document in the field.
·7 min read
Workflow guides, equipment setup, and practical documentation for grading contractors, underground utility crews, and survey teams.
Minimum depth of cover for gravity sewer — 36-inch standard, frost depth overrides in northern states, traffic loading requirements, and how to document in the field.
Required data for CIPP pre-lining surveys — invert elevations at ±0.02 ft accuracy, pipe condition, manhole schedule, and post-lining verification.
Required fields for DOT compaction logs — AASHTO T99 vs T180, nuclear gauge calibration requirements, state-specific formats (TxDOT, CDOT, FDOT), common rejections.
What to do when a compaction lift fails DOT testing — root cause analysis, correction options, re-test requirements, documentation, and cost impact $6,000-12,000/event.
How to verify superelevation on road construction — reading the superelevation diagram, measurement procedure with digital level or total station, ±0.3% tolerance.
Required components of a DOT QC plan — org chart, inspection frequencies, test methods, record retention (10 years federal-aid), digital vs paper acceptance.
Total stations vs GPS rovers vs digital levels for road grade verification — accuracy comparison, cost, speed, and when each is appropriate for DOT work.
What UFC 3-01.01A requires for QC inspection — three-phase system, QC Manager qualifications, preparatory/initial/follow-up inspection requirements, documentation standards.
NAVFAC project documentation — QC records vs RFIs vs submittals, O&M manuals, as-built drawings, QC Manager certification, closeout package requirements.
What a Notice of Non-Compliance costs on government construction — $10K-25K average resolution cost, schedule impact, debarment risk, and how to prevent NCRs.
Complete checklist for UFC three-phase inspections — preparatory, initial, and follow-up inspection items, attendee requirements, and deficiency handling procedure.
EM 385-1-1 safety requirements — Activity Hazard Analysis requirements, safety incident documentation, daily safety records, and how safety violations affect QC standing.
In-depth guides for specific contractor verticals
Solar Farm Construction
Pile elevation verification, EPC conformance documentation
8 guides →
Airport Construction
FAA AC 150/5370-10 grade documentation requirements
5 guides →
Underground Utilities
Sewer as-built documentation and pipe grade verification
7 guides →
Road & Highway
DOT compaction documentation and grade verification
9 guides →
Military & Government
UFC three-phase inspection and USACE/NAVFAC QC
5 guides →
Land Development
Pad certification, detention ponds, and easement as-builts
9 guides →
Earthwork
Stockpile volumes, topsoil stripping, and grade documentation
4 guides →
Pipeline
HDPE grade verification and water main as-built requirements
3 guides →
Concrete Flatwork
Post-tension slabs, tilt-up panels, and F-number documentation
5 guides →
Machine Control
GPS machine control calibration and grade documentation
4 guides →
Field Documentation
Daily reports, inspection checklists, and stakeout documentation
4 guides →