Soil + Lawn Rehabilitation After Work Reference

Why this matters

Trenching, excavation, equipment traffic, and material storage all damage customer's lawn + landscape. The work itself may be perfect, but if the customer's lawn looks worse after = the customer remembers the lawn, not the work. The tech who restores the soil + lawn properly protects the relationship + the company's reputation. This is the field card.

Types of soil damage

Compaction:

  • Equipment driving over soil compresses
  • Grass + roots crushed
  • Water can't penetrate
  • Soil becomes hard

Excavation backfill issues:

  • Trench filled but settles over months
  • Trench line becomes a depression
  • Customer trips OR mower hits low spot

Topsoil mixed with subsoil:

  • During excavation, subsoil clay comes up
  • Mixed with topsoil
  • Quality reduced; grass struggles

Erosion:

  • Disturbed soil washes during rain
  • Especially on slopes
  • Sediment into driveway, street

Equipment scarring:

  • Vehicle ruts in lawn
  • Stake / tool damage
  • Material storage areas crushed

Chemical / oil:

  • Hydraulic fluid leak from equipment
  • Diesel spill at refueling
  • Cement / mortar washes

Damage prevention

Better than restoration:

Plywood / boards under heavy equipment:

  • Distributes weight
  • Saves grass underneath
  • Reusable

Limit equipment passes:

  • One path in, one path out
  • Don't drive across grass repeatedly

Material storage on hardscape:

  • Driveway, sidewalk, plywood OR drop cloth
  • Don't pile dirt/mulch directly on lawn (kills grass below)

Equipment maintenance:

  • No leaking hydraulic / engine fluids
  • No tire chains in lawn (kill turf)

Weather:

  • Avoid wet soil work (compacts more)
  • Plan for dry / firm conditions
  • Reschedule if conditions terrible

Trench restoration

For utility / plumbing trenches across lawn:

Before backfill:

  • Pipe / cable installed correctly
  • Tracer wire if buried
  • Photos of installation
  • 811 closeout

Backfill technique:

  • Backfill IN LIFTS (layers)
  • 6-8 inch lifts; compact each before next
  • Don't dump all in at once
  • Native soil OR specified backfill material
  • Topsoil at top (8-12 inches)

Grading:

  • Slight CROWN above grade (1-2 inches)
  • Settles to flat over months
  • If flush at backfill, becomes depression

Surface restoration:

  • Sod replacement (immediate)
  • Seed + straw (more economical; slower)
  • Erosion control (silt fence on slopes)

Compaction relief

For traffic-damaged lawn:

Manual aerator:

  • Spike aerator (cheap; minimal benefit)
  • Core / plug aerator (better; removes plugs of soil)

Mechanical aerator (for larger areas):

  • Drum-type with rolling spikes
  • Plug-type with hollow tines
  • Rent from equipment shop

Topdressing:

  • Add 1/4 inch sand / compost
  • Work into surface
  • Improves soil structure

For severe compaction: subsoiling (deeper mechanical break-up).

Reseeding damaged areas

Soil prep:

  • Clear dead grass + debris
  • Loosen top 2-3 inches
  • Add compost / topsoil if needed
  • Rake smooth

Seed selection:

  • Match existing lawn (cool-season vs warm-season grass)
  • Northern: bluegrass, ryegrass, fescue blends
  • Southern: bermuda, zoysia, St. Augustine, centipede
  • Use blend appropriate to sun / shade conditions

Seeding:

  • Distribute evenly (rotary spreader)
  • Rake lightly into soil
  • Tamp OR roll (seed-to-soil contact)
  • Cover with light straw OR straw mat
  • Water gently + frequently until established (3-4 weeks)

Establishment:

  • Keep soil moist (not soaked)
  • First mow when 3+ inches tall
  • Set mower high (3 inches)
  • Don't bag clippings yet (returns nutrients)
  • Fertilizer when established

Sod installation

For immediate green:

Sod selection:

  • Type matching existing lawn
  • Fresh (laid within 24-48 hours of harvest)
  • Greens around edges (yellow = old / drying)

Bed prep:

  • Loose soil, raked level
  • 1-2 inches below grade (sod will add up to grade)
  • Compost incorporated if poor soil

Laying:

  • Start at straightest edge
  • Brick-pattern overlapping
  • Snug edge-to-edge (no gaps)
  • Cut with sharp blade for curves / fitting

Roll + water:

  • Roller after laying (good soil contact)
  • Heavy initial watering
  • Daily watering for 2 weeks
  • Mow 2 weeks after laying

Mulch + plant restoration

If customer's mulch beds disturbed:

Mulch:

  • Match existing (hardwood, cypress, dyed, rock)
  • 2-3 inches thick
  • Keep away from tree trunks (NO volcano mulching)
  • Reapply when settled

Disturbed plants:

  • If pulled up: replant gently
  • Water + monitor
  • Some won't survive; honest assessment to customer
  • Replacement plant cost considered

Trampled plants:

  • Some recover; some don't
  • Wait + observe; customer + you decide together
  • Replacement budget if needed

Hardscape restoration

If you damaged driveway, sidewalk, brick:

Concrete repair:

  • Crack filler for minor
  • Patch + epoxy for moderate
  • Section replacement for major
  • Color matching difficult; whole-section may be needed

Brick / pavers:

  • Replace damaged units
  • Re-set if shifted
  • Sand sweep

Asphalt:

  • Cold patch for small repairs
  • Hot patch + roller for larger
  • Sealcoat for color match

Customer's irrigation system

Common damage:

Cut sprinkler line:

  • During excavation
  • Repair: locate broken line; install coupling
  • Verify zone tests after

Damaged sprinkler head:

  • Replace head
  • May need to dig down to swing arm

Crushed PVC:

  • Replace section
  • New tee + risers if needed

Damaged controller:

  • Less common; check operation after wiring work

Document damage; repair OR refer to irrigation contractor.

Drainage considerations

Excavation can change drainage:

  • Trench acts as drain channel
  • Water collects in trench line
  • Customer's previously-dry area now wet

Mitigation:

  • Crown the backfill
  • Compact properly
  • Verify drainage paths still work
  • Sometimes French drain needed

Erosion control

After major excavation:

Silt fence:

  • Filter fabric on fence posts
  • Catches sediment from runoff
  • 4-6 weeks until vegetation establishes

Erosion mat / blanket:

  • On slopes
  • Biodegradable
  • Holds seed + soil

Straw:

  • Cheap; for flat areas
  • Catches seed + holds moisture
  • Lasts 1-2 months

Soil contamination

If concrete, mortar, OR chemicals contaminated soil:

  • Remove contaminated soil
  • Replace with clean topsoil
  • May need disposal documentation
  • Some chemicals require remediation

Don't bury contamination + hope for the best. Customer's plants will die; you'll be blamed.

Communication

Pre-job:

  • Photo customer's lawn / landscape condition
  • Identify areas at risk
  • Discuss restoration scope
  • Agree on what's included

Post-job:

  • Walk customer through restored areas
  • Explain what was done + what to expect (settling, regrowth)
  • Maintenance instructions (watering for new sod / seed)

Restoration schedule

References

  • ASA (American Sod Producers Association) standards
  • USGA Green Section turf restoration
  • ASCE manual on erosion + sediment control
  • Manuall internal: Drainage + Grading Around Foundation, Customer Property Protocol