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Site Preparation Contractors

NAICS 238910 · Specialty Trade Contractors · SBA size standard: $19 million average annual receipts

Site preparation contractors clear land, excavate, grade, install underground utilities and stabilize soil before building begins. For a crew that moves dirt, installs pipe and compacts pads on residential and light commercial jobs, the specialists turn bid documents into schedules, schedules into daily crew and equipment assignments, material needs into orders, and field notes into as-builts and billings. Equipment maintenance, erosion controls, dust permits and safety logs stay with the operator and superintendent.

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What makes this business different

  • Site-specific plans that must be followed exactly for cuts, fills, compaction and utility depths
  • Heavy equipment and trucks that require daily inspections, fuel, maintenance logs and operator certifications
  • Coordination with utility locators, inspectors and other trades on overlapping days
  • Erosion and sediment control measures that must be installed before earthwork and inspected after rain
  • Tracking of imported fill, exported spoil, rock and pipe by quantity and source
  • Daily safety tailgate meetings, trench permits, dust control plans and traffic control setups
  • Change orders that alter quantities, scope or schedule and must be documented before extra work
  • Progress tracking for partial billings, lien releases and retention

Specialist bots

  • a worker at a folding table on a jobsite reviewing large rolled plan sheets spread across plywood with a tape measure and highlighter

    Estimating Specialist

    Convert plan sheets into accurate quantities, equipment days and labor hours for each bid.

    Works in: Ambitious Sheets, Ambitious Docs, Process Optimizer · Workflows: Bid preparation and takeoff

    Automates

    • Reads plan quantities for cut, fill, trench and grading
    • Calculates equipment and labor requirements
    • Builds preliminary schedule
    • Assembles bid scope notes

    Stops for a person

    • The superintendent reviews site constraints and access assumptions
    • The owner approves final pricing and exclusions before submission
  • a worker wearing a hard hat standing at the edge of a cleared lot marking erosion control silt fence locations with flags and stakes

    Preconstruction Coordinator

    Prepare all required plans, permits and initial schedules once a contract is signed.

    Works in: Ambitious Docs, Ambitious Tasks, Construction Scheduler · Workflows: Preconstruction planning and permits

    Automates

    • Generates erosion control submittals
    • Schedules utility locate tickets
    • Creates initial 30-day schedule
    • Builds daily safety and inspection checklists

    Stops for a person

    • The superintendent confirms permit applicability and site conditions
    • The owner signs and submits permit applications
  • a worker in a reflective vest standing beside an excavator writing on a clipboard at dawn with other machines lined up in the background

    Daily Dispatch Operator

    Assign crews, equipment and daily tasks each morning while preparing required permits and inspections.

    Works in: Ambitious Tasks, Construction Scheduler, Ambitious Sheets · Workflows: Daily field operations and dispatch

    Automates

    • Assigns operators and equipment to locations
    • Generates pre-trip inspection forms
    • Pulls material orders for the day
    • Creates required trench and safety permits

    Stops for a person

    • The superintendent assigns specific operators to machines
    • The operator in the field performs and signs the equipment inspection
  • a worker measuring the height of a large pile of crushed stone with a stadia rod while a dump truck unloads nearby

    Materials and Equipment Tracker

    Track all imported, exported and installed materials against the plan and log equipment usage.

    Works in: Ambitious Sheets, Ambitious Tasks, Ambitious Docs · Workflows: Material and equipment tracking

    Automates

    • Compares delivery tickets to ordered quantities
    • Balances cut and fill volumes
    • Logs daily equipment hours and fuel
    • Flags reorder points for aggregate and pipe

    Stops for a person

    • The superintendent verifies field measurements of stockpiles
    • The owner approves purchases of additional materials
  • a worker holding a survey rod while another records grade elevations next to a freshly installed underground pipe in an open trench

    Inspection Coordinator

    Schedule required inspections, compile test results and prepare as-built documentation.

    Works in: Ambitious Tasks, Ambitious Docs, Ambitious Sheets · Workflows: Inspection and testing coordination

    Automates

    • Notifies inspectors when work is ready
    • Organizes compaction and pressure test reports
    • Converts field notes into as-built sketches
    • Tracks punch list completion

    Stops for a person

    • The superintendent reviews all as-builts before submission
    • A licensed professional engineer or surveyor stamps final drawings when required
  • a worker in a pickup truck bed reviewing a stack of delivery tickets and handwritten daily reports with a laptop on a tailgate

    Progress Billing Specialist

    Measure completed work, prepare schedule of values, document change orders and collect lien waivers.

    Works in: Ambitious Sheets, Ambitious Docs, Contract Analyzer · Workflows: Progress billing and change orders

    Automates

    • Calculates quantities completed this period
    • Drafts progress billing applications
    • Organizes change order documentation
    • Tracks lien waiver collection

    Stops for a person

    • The superintendent confirms actual quantities installed
    • The owner reviews and signs every billing and change order before sending
  • a worker organizing large rolled as-built drawings and binders full of test reports on a workbench inside a jobsite trailer

    Project Closeout Clerk

    Compile all final records, reconcile quantities and prepare closeout packages for owner acceptance.

    Works in: Ambitious Docs, Ambitious Sheets, Ambitious Tasks · Workflows: Project closeout and record keeping

    Automates

    • Organizes test reports and sign-offs
    • Reconciles final material quantities
    • Prepares final billing and release documents
    • Builds the complete project record set

    Stops for a person

    • The superintendent verifies final grades and stabilization
    • The owner approves the final payment and release of claims

Workflows

Bid preparation and takeoff

Starts when: A new set of plans or invitation to bid arrives

  1. Extract quantities for clearing, excavation, grading, trenching, backfill and compaction
  2. Identify equipment days, labor hours and material needs by phase
  3. Check against site constraints such as access, slopes and protected areas
  4. Draft a preliminary schedule and crew plan
  5. Assemble the bid package with scope notes and exclusions

Watch for: Accurate cut-fill balance is critical to avoid importing or exporting excess material; Local haul routes and disposal fees affect pricing

Preconstruction planning and permits

Starts when: Contract is awarded

  1. Submit erosion and sediment control plan for approval
  2. Schedule utility locates and one-call tickets
  3. Draft traffic control and dust mitigation plans
  4. Create initial equipment and labor schedule
  5. Set up daily safety and inspection checklists

Watch for: Many jurisdictions require separate permits for grading, dewatering and stormwater; Utility owners must mark before any digging

Daily field operations and dispatch

Starts when: Each workday at 5 am

  1. Assign operators, laborers and equipment to specific tasks and locations
  2. Generate equipment pre-trip inspection forms
  3. Pull material delivery tickets for pipe, aggregate or fill needed that day
  4. Create trench and confined-space permits if required
  5. Draft daily tailgate safety topic

Watch for: Equipment must be fueled and serviced before crew arrival; Weather or rain can cancel or change work instantly

Material and equipment tracking

Starts when: Weekly and when deliveries arrive

  1. Compare ordered versus delivered quantities of pipe, stone, fill and erosion materials
  2. Track imported and exported volumes against the cut-fill plan
  3. Log equipment hours and fuel consumption
  4. Flag low-stock items for reorder
  5. Record waste and surplus for final reconciliation

Watch for: Spoil and borrow must be tracked by weight or volume for payment and environmental compliance; Pipe and fittings must be staged without blocking access

Inspection and testing coordination

Starts when: When a phase or utility segment is ready

  1. Notify the appropriate inspector or testing lab
  2. Compile compaction, density or pressure test results
  3. Generate as-built sketches from field measurements
  4. Prepare punch-list items for sign-off
  5. Update schedule with actual completion dates

Watch for: Backfill cannot proceed until compaction tests pass; Inspectors may require specific forms and photographs

Progress billing and change orders

Starts when: End of each billing period and when extra work occurs

  1. Measure completed quantities against bid items
  2. Draft schedule of values for partial billing
  3. Document change orders with before-and-after quantities
  4. Collect lien waivers from suppliers and subcontractors
  5. Prepare retention release requests

Watch for: Unit-price items require accurate field measurements; Owner approval is required before any billed change

Project closeout and record keeping

Starts when: Final grading and stabilization are complete

  1. Compile all as-builts, test results and inspection sign-offs
  2. Reconcile material tickets against final quantities
  3. Update equipment maintenance logs
  4. Draft final billing and release of claims
  5. Schedule final walkthrough with owner

Watch for: Final stabilization must meet local vegetation or matting requirements; Records must be kept for warranty and audit periods

Bot templates for this industry

Source: U.S. Small Business Administration, Office of Size Standards, Table of Small Business Size Standards Matched to North American Industry Classification System Codes, version March 2023 (effective 2023-03-17, NAICS 2022). Size standards are shown for reference only.