SiteBid AI — Basement Estimate

Overdig box + ramp, under-slab stone, optional perimeter drain, trucking, dump fees, extras, and permit fees.

Geometry & Overdig

Interior length (ft)Interior width (ft)Depth to footing (ft)Overdig each side (ft)Topsoil strip (ft)

Ramp (access)

Ramp length (ft)Ramp width (ft)

Productivity & Haul

Excavator (yd³/hr)Dozer (yd³/hr)Loader (yd³/hr)Haul-off fraction (0–1)Truck cap (yd³)Round-trip haul (min)

Rates & Materials

Excavator ($/hr)Dozer ($/hr)Loader ($/hr)Trucking ($/hr)Under-slab stone ($/yd³)Drain pipe ($/ft)Drain gravel ($/yd³)Dump fee ($/yd³)

Under-slab & Perimeter Drain

Under-slab stone (ft)Drain length (ft)Drain trench width (ft)Drain trench depth (ft)

Extras & Permit

Extras (lump $)Permit fees ($)

Markup

Overhead (%)Contingency (%)Profit margin (%)

Client Info

NamePhoneEmailAddress (line)Project Addr (line)

Results

Excavation pad (ft)

64.0 × 40.0

Pad area (ft²)

2,560

Box volume (yd³)

758.5

Ramp volume (yd³)

35.6

Topsoil strip (yd³)

25.9

Excavation total (yd³)

794.1

Haul-off (yd³)

317.6

Trips

Trucking hours

13.50 h

Excavator hours

17.65 h

Dozer hours

7.94 h

Loader hours

0.59 h

Under-slab stone (yd³)

26.4

Drain gravel (yd³)

0.0

Drain length (ft)

0 ft

Materials cost

$3,465.04

Trucking cost

$1,282.50

Equipment cost

$3,487.87

Dump fees

$2,541.04

Extras

$0.00

Subtotal

$8,235.41

Base (OH+Cont)

$9,882.49

Total (with profit)

$11,626.46

Permit fees (pass-through)

$0.00

Grand Total

$11,626.46

Sensitivity (share of subtotal)

Materials: 42%
Trucking: 16%
Equipment: 42%

Assumptions (auto-print on quote)

Excavation to bottom of footing depth 8 ft with overdig 2 ft each side; ramp 20×12 ft wedge.
Haul-off 40% of spoils; truck 12 yd³; RT haul 30 min.
Under-slab stone 0.33 ft; perimeter drain length 0 ft.
Overhead 10%, Contingency 10%, Profit 15%. Permits listed separately.

Inclusions / Exclusions (draft)

Inclusions: excavation with overdig and ramp, on-site shaping, hauling as noted, under-slab stone and/or perimeter drain if listed, mobilization.

Exclusions: rock excavation, dewatering, shoring/bracing, utility relocations, concrete, waterproofing, sump systems, erosion control, permits/fees (listed separately).

Proposal Preview

Your Company Name LLC

(555) 555-5555 • bids@yourcompany.com • https://yourcompany.com

123 Main St, Yourtown, MI 49000

MI Contractor #12345

Proposal

9/5/2025

Valid 14 days

Bill To

—

Project

Basement Excavation

Quantities, haul, and productivities as calculated above.

Scope of Work

Excavate to footing depth 8 ft with 2 ft overdig each side.
Ramp 20×12 ft for access; haul-off ≈ 40% of spoils.
Under-slab stone 0.33 ft; perimeter drain 0 ft (if listed).

Item	Amount
Materials	$3,465.04
Equipment & Labor	$3,487.87
Trucking	$1,282.50
Subtotal	$8,235.41
Overhead (10%) + Contingency (10%)	$1,647.08
Profit (15%)	$1,743.97
Dump Fees	$2,541.04
Total (before permit)	$11,626.46
Grand Total	$11,626.46

Inclusions

Mobilization and access ramp
Excavation, shaping, and export per plan
Trucking & disposal as noted

Exclusions

Rock excavation or dewatering
Shoring/bracing or utility relocations
Concrete, waterproofing, sump systems
Permits/fees unless listed

Payment terms: Net 15 unless otherwise stated. Scheduling subject to weather and site access.

Acceptance

Client Signature: _______________________________

Printed Name: __________________________________

Date: __________________________________________

Company

Signer: _______________________________

Title: __________________________________

Date: __________________________________

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