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🏛️ Surety Actuary • Miller Act & Performance Bond Engine • 100% In-RAM

Commercial Surety & Performance Bond Modeler

Model contract performance & payment bonds, commercial license/permit guarantees, credit score rating ladders, and general indemnity obligations.

1. Bond Classification & Contract Penal Sum Surety Obligation
Total value guaranteed to the Project Obligee
2. Project Scope, Jurisdiction & Maintenance Riders Underwriting Terms
Estimated Total Surety Bond Premium
$14,400 one-time
Federal Miller Act Statutory Bond Mandate

For a Performance & Payment Bond guaranteeing a $1,200,000 contract, your calculated single-term premium is $14,400 (1.20% blended rate). Unlike standard insurance, the Surety retains full subrogation rights against your corporate and personal assets under the General Indemnity Agreement (GIA).

Bond Penal Sum $1,200,000
Effective Rate 1.20% Blended
Credit Rating Tier Prime Tier (700+)
GIA Recourse 100% Indemnity
Sliding-Scale Bond Surcharge Ladder Tier Bracket Pricing
First $100k (2.5%) Next $400k (1.5%) Next $2M (1.0%)
Tripartite Bond & GIA Legal Audit Statutory Guidelines
Model: SFAA Contract Surety Standards & Federal Miller Act Guidelines 100% In-RAM

Surety Bonds vs. Traditional Commercial Insurance Matrix

Why a surety bond functions as an extension of financial credit rather than risk transfer.

Core Dimension Surety Bond (Contract / Commercial) Traditional Insurance (GL, Property, E&O)
Contract Parties 3-Party Tripartite: Principal, Obligee, Surety. 2-Party Contract: Insured and Insurer.
Financial Recourse Full Recourse: Principal must repay 100% of claims paid. Zero Recourse: Insurer absorbs covered loss without repayment.
Underwriting Goal Zero Expected Loss (Credit qualification model). Actuarial Pooling of Expected Loss over many insureds.
Legal Protection Protects the Obligee (Project Owner / Public). Protects the Insured (Business Balance Sheet).

The Absolute Recourse Reality: How the General Indemnity Agreement (GIA) Works

A critical legal distinction that contractors often discover only during a default dispute is that a surety bond is not insurance. While insurance is designed to pool risk and pay claims without seeking reimbursement from the insured, surety bonds are financial credit instruments governed by a signed General Indemnity Agreement (GIA).

If a contractor defaults on a commercial project, fails to pay subcontractors, or violates state licensing statutes, the Surety will step in to pay the Project Obligee up to the penal sum. However, under the GIA, the Surety has the legal right to seize corporate bank accounts, liquidate equipment, and attach the personal assets and home equity of the contractor and their spouse to recover every dollar spent on claims and legal expenses.

1. The Federal Miller Act & State Little Miller Acts

Enacted by Congress in 1935, the Miller Act (40 U.S.C. §§ 3131–3134) protects taxpayers and trade contractors on federal construction contracts exceeding $150,000 by mandating two distinct instruments:

2. Sliding Scale Premium Bracket Rating

Contract bond premiums are graded on a sliding scale that reduces the marginal rate as the contract value expands:

🏗️ Builder's Risk & COC Modeler

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🚜 Inland Marine & Cargo Modeler

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Frequently Asked Questions

What is the difference between a Bid Bond and a Performance Bond?

A Bid Bond guarantees that if the contractor wins the tender, they will enter into the contract at their submitted price and provide the required final Performance & Payment bonds. If they back out, the Bid Bond forfeits the penalty (typically 5% to 10% of the bid price).

How do underwriters determine a contractor's bonding capacity?

Surety underwriters evaluate the '3 Cs of Surety': Character (reputation and track record), Capacity (equipment and technical expertise), and Capital (working capital and net worth). Bonding capacity is typically set at 10x to 20x working capital for single projects and aggregate backlogs.

⚖️ Educational Modeling Only: Models approximate commercial surety underwriting and statutory bond frameworks (Federal Miller Act, SFAA) and do not constitute formal legal, financial, or surety advisory.