How to Do Prevailing Wage Payroll in ADP (w/Examples) + FAQs

Processing prevailing wage payroll in ADP requires setting up the correct wage determinations, configuring employee classifications, calculating base wages plus fringe benefits, and generating weekly certified payroll reports through ADP’s Construction Center of Excellence or third-party integrations like HCM TradeSeal. The process differs from standard payroll because you must track multiple wage rates, apply fringe benefit credits, and maintain detailed compliance documentation for every worker on government-funded projects.

The challenge stems from the Davis-Bacon Act of 1931 and related state prevailing wage laws, which mandate that contractors on federally funded construction projects exceeding $2,000 pay workers the locally prevailing wage for their specific trade classification. This federal law, codified at 40 U.S.C. 3142, creates immediate compliance obligations for contractors who fail to properly classify workers, apply correct wage rates, or submit accurate weekly certified payroll reports. The consequence is severe: contractors face back wage payments, liquidated damages equal to unpaid wages, contract termination, and debarment from future government contracts.

According to the U.S. Department of Labor, the Davis-Bacon Act increases federal construction costs by approximately $1.4 billion annually, affecting over 1.2 million construction workers on more than 23,000 contracts each year.

What You Will Learn:

🔧 Step-by-step instructions for setting up prevailing wage calculations in ADP systems and configuring wage determinations by project location and worker classification

💰 Exact calculation methods for base wages, fringe benefits, overtime premiums, and cash fringe payments with real-world contractor examples

📋 Complete certified payroll reporting process including Form WH-347 requirements, weekly submission procedures, and compliance documentation standards

⚠️ Critical mistakes contractors make that trigger Department of Labor investigations, penalties, and how to avoid misclassification and rate errors

🎯 Integration solutions for ADP Workforce Now including HCM TradeSeal setup, third-party add-ons, and ERP connections for job costing

Understanding Prevailing Wage Laws and Requirements

Prevailing wage laws establish minimum compensation standards for construction workers on public works projects. These laws exist at both federal and state levels, creating overlapping requirements that contractors must navigate carefully.

The Davis-Bacon Act forms the foundation of federal prevailing wage requirements. Congress passed this law in 1931 to prevent government spending from undermining local wage standards and living conditions. The law applies to contractors and subcontractors performing construction, alteration, or repair work on federal contracts or federally assisted projects valued at more than $2,000.

How Federal Davis-Bacon Requirements Work

The prevailing wage consists of two components: the basic hourly rate and fringe benefits. Workers must receive the full prevailing wage for their specific job classification in the geographic area where they perform work. The Wage and Hour Division of the U.S. Department of Labor determines these rates through systematic surveys of wages paid to workers in similar projects within specific localities.

Wage determinations appear on SAM.gov and list minimum wages for each labor classification. Contractors must post the applicable wage determination at the job site in a prominent location where workers can easily see it. The determination specifies both the base hourly wage and fringe benefit amounts that workers must receive for each hour worked on the project.

The 2023 regulatory update changed how the Department of Labor calculates prevailing wages. Previously, a wage rate needed to apply to more than 50% of workers in a classification to become the prevailing rate. The new rule establishes a three-step method: if a single rate applies to at least 30% of workers, that becomes the prevailing wage; if no rate reaches 30%, the Department uses a weighted average of all rates in that classification.

State Prevailing Wage Laws Create Additional Requirements

Thirty-two states maintain their own prevailing wage laws, often called “Little Davis-Bacon Acts.” These state laws apply to state-funded construction projects and create separate compliance obligations beyond federal requirements. The rules vary dramatically from state to state, affecting contract thresholds, wage determination methods, and reporting procedures.

New York requires prevailing wages on all public works projects regardless of contract value. California sets its threshold at $1,000 for general public works but requires prevailing wages on projects as small as $1,000. Connecticut applies prevailing wage requirements only to new construction projects exceeding $1 million or remodeling projects over $100,000.

States use different methods to determine prevailing wages. California typically bases rates on collective bargaining agreements, while other states conduct wage surveys or adopt federal Davis-Bacon rates. Some states update their wage determinations quarterly, while others publish new rates annually or semi-annually.

Projects Subject to Prevailing Wage Requirements

Multiple categories of construction projects trigger prevailing wage obligations. Federal projects include buildings, works, highways, roads, bridges, dams, water treatment facilities, and other infrastructure constructed with federal funds. Federally assisted projects include those where federal grants, loans, or guarantees provide partial funding even when state or local agencies manage the work.

State prevailing wage laws cover projects funded by state, county, or municipal governments. School construction projects often involve complex scenarios because they may receive funding from multiple sources, requiring contractors to apply whichever standard pays workers more. Projects funded through tax-exempt bonds or receiving economic development assistance may also trigger prevailing wage requirements depending on state law.

The Contract Work Hours and Safety Standards Act extends beyond Davis-Bacon projects to cover service contracts exceeding $100,000. This law requires contractors to pay one and one-half times the basic rate for hours worked over 40 in a workweek, creating overtime obligations that combine with prevailing wage requirements.

Geographic Scope and Wage Determination Areas

Prevailing wage rates vary by geographic location, but these areas do not always follow political boundaries. The Department of Labor establishes wage determination areas based on economic regions rather than city or county lines. A single wage determination might cover multiple counties, or a large county might have several different wage areas.

Contractors must identify the correct wage determination based on where the physical work occurs, not where the company maintains its office or where materials originate. Work performed off-site does not generally fall under Davis-Bacon requirements unless the work occurs at a dedicated site established specifically for the project.

ADP Systems and Platforms for Prevailing Wage Payroll

ADP offers several platforms for payroll processing, but not all systems handle prevailing wage requirements equally. Understanding which ADP solution matches your business size and construction needs determines your success with prevailing wage compliance.

RUN Powered by ADP for Small Contractors

RUN Powered by ADP serves companies with 1 to 49 employees. This web-based solution provides basic payroll and tax filing features suitable for small contractors with limited prevailing wage work. The system handles standard payroll calculations but lacks built-in prevailing wage automation and certified payroll reporting.

Small contractors using RUN often need third-party software to manage prevailing wage requirements. The platform integrates with some payroll add-ons, but contractors typically must calculate prevailing wages manually and enter the results into RUN for processing. This approach works for occasional prevailing wage projects but becomes inefficient as project volume increases.

ADP Workforce Now for Mid-Size Construction Companies

ADP Workforce Now targets companies with 50 or more employees and provides the primary platform for construction payroll. This system combines payroll, human resources, time and attendance, benefits administration, and talent management in a single interface. The platform supports multi-state operations, union payroll, and complex pay rules common in construction.

The Construction Center of Excellence represents ADP’s specialized module for construction companies. This add-on extends Workforce Now with prevailing wage calculations, certified payroll reporting, union contract management, and job costing capabilities. CCOE integrates directly with the core payroll system, allowing contractors to process prevailing wage and standard payroll together without switching platforms.

ADP Workforce Now processes payroll on a two-day cycle. Contractors submit payroll data, the system calculates wages and deductions, then funds transfer to employee accounts. This timing matters for prevailing wage projects because contractors need accurate job costing data quickly to manage project budgets and cash flow.

ADP Lyric HCM for Large Construction Enterprises

ADP Lyric HCM serves organizations with 1,000 or more employees who need enterprise-level functionality. This platform provides global payroll capabilities, advanced analytics, and workforce planning tools beyond what most construction companies require. Large contractors with operations across multiple states or countries may benefit from Lyric’s sophisticated compliance management and reporting features.

Third-Party Integration Solutions

Many contractors supplement ADP’s native features with specialized construction payroll software. HCM TradeSeal represents the leading integration for prevailing wage management with ADP Workforce Now. This solution adds automatic prevailing wage lookups, fringe benefit calculations, certified payroll generation, and union reporting to ADP’s core payroll functions.

HCM TradeSeal works through bi-directional file integration with ADP. Contractors import hours and job assignments from time tracking systems into TradeSeal, where the software applies prevailing wage rates and calculates fringe benefits. TradeSeal then exports payroll data back to ADP for processing and creates certified payroll reports in WH-347, California XML, and other required formats.

The integration connects ADP payroll with construction ERP systems including Procore, Sage 300, CMiC, Acumatica, ViewPoint, and others. This connection enables job costing based on ADP’s calculated wages while maintaining prevailing wage compliance through TradeSeal’s specialized rules.

Points North Certified Payroll Reporting offers another ADP Marketplace integration. This solution focuses specifically on certified payroll reporting at federal, state, and municipal levels. The direct integration with ADP Workforce Now allows contractors to generate Davis-Bacon reports using data already in their ADP system.

Setting Up Prevailing Wage in ADP Workforce Now

Proper setup determines whether your prevailing wage payroll runs smoothly or creates ongoing compliance problems. The configuration process involves multiple steps that must occur in a specific sequence.

Configuring Company and Project Settings

Begin by accessing the ADP Workforce Now administration portal. Navigate to the Company Settings section where you establish the basic parameters for prevailing wage processing. Enable the Construction features if your ADP subscription includes the Construction Center of Excellence module.

Create separate pay codes for prevailing wage work that distinguish it from standard payroll. These codes track base wages, fringe benefits, and overtime separately on each employee’s pay record. Distinct pay codes also feed job costing reports and certified payroll forms with the correct wage breakdowns.

Set up projects within ADP’s project tracking module. Each government-funded project requires its own project code with the associated wage determination number, funding source, and contract details. Enter the project location because geographic area determines which prevailing wage rates apply to the work.

Establishing Wage Determination Tables

Download the applicable wage determinations from SAM.gov before setting up rates in ADP. Each determination lists job classifications, base hourly rates, and fringe benefit amounts for a specific type of construction in a defined geographic area. The determination number appears at the top of each document and must match the number in your contract documents.

Input wage determination data into ADP’s rate tables. Create entries for each job classification that appears in your determination, entering both the base rate and fringe rate as separate values. ADP needs these as distinct fields to calculate overtime correctly and generate compliant certified payroll reports.

Schedule predetermined increases if your wage determination includes future rate adjustments. Some determinations specify that wages will increase on specific dates during the contract period. Configure these increases in ADP’s rate table to apply automatically when the date arrives, preventing underpayment violations.

Creating Employee Classifications

Establish job classifications in ADP’s employee database that match the classifications in your wage determinations exactly. The Department of Labor publishes specific titles like “Cement Mason,” “Electrician,” “Operating Engineer,” and “Truck Driver” that you must use without modification. Generic titles like “technician” or “helper” do not correspond to wage determinations and create compliance problems.

Assign default classifications to employees based on their primary trade, but remember that workers can perform in different classifications during a single day. A carpenter who spends four hours performing concrete work must receive the concrete mason rate for those four hours. Configure ADP to accept multiple classifications per employee per pay period.

Set up apprentice classifications separately from journey-level workers. Apprentices receive a percentage of the journey-level rate based on their period in the apprenticeship program. Create distinct classifications for each apprentice period, entering the calculated rate for that period level.

Configuring Fringe Benefit Plans

Fringe benefits represent a critical component of prevailing wage compliance. The wage determination specifies a fringe benefit amount per hour that workers must receive in addition to their base wage. Contractors can pay these fringes in cash, provide equivalent benefits, or use a combination of both approaches.

Create benefit plans in ADP’s benefits administration module for qualifying employer-sponsored benefits. Health insurance, retirement plans, vacation pay, and certain training programs count toward fringe benefit obligations when they meet Department of Labor standards for “bona fide” benefits. The benefits must be irrevocable, provided to employees without conditions, and funded at least quarterly.

Calculate the hourly credit value of each benefit plan. Take the annual employer contribution amount and divide by 2,087 hours (the standard calculation for a full-time year). This hourly credit value offsets the required cash fringe payment on prevailing wage jobs. Configure ADP to apply these credits automatically when processing prevailing wage payroll.

Integrating Time Tracking Systems

Accurate time tracking drives prevailing wage compliance. Workers must record not only their hours but also which project and job classification applies to each hour worked. ADP connects with multiple time collection systems including physical time clocks, mobile apps, and web-based timesheets.

Configure your time tracking to capture project codes and classifications. Foremen or workers must enter this information when recording daily hours. The data flows from the time system into ADP where it determines which wage rate applies to each hour.

Enable job costing integration if you use construction management software. Systems like Procore, Viewpoint, or Sage connect with ADP through HCM TradeSeal or direct integrations. This connection ensures that labor costs post to the correct job in your accounting system using the prevailing wages ADP calculated.

Processing Prevailing Wage Payroll in ADP

Processing prevailing wage payroll follows a structured workflow that differs from standard payroll in several important ways. Each step requires attention to detail because errors affect both worker pay and compliance reporting.

Importing and Reviewing Time Records

The payroll cycle begins when employee time records import from your time tracking system into ADP. Review the imported data carefully before processing payroll. Check that each employee’s hours include the correct project code and job classification for prevailing wage work.

Identify hours that require prevailing wage versus standard payroll rates. Not all hours on a project may qualify for prevailing wages. Site preparation work, work performed before contracts are awarded, or administrative tasks might not trigger prevailing wage requirements depending on the specific contract language and funding structure.

Verify that employees with multiple classifications in a single day show the correct hours allocated to each classification. An electrician who spent six hours on electrical work and two hours as a laborer must have the hours split correctly because the wage rates differ significantly.

Calculating Base Wages and Fringe Benefits

ADP calculates the base wage by multiplying hours worked by the base hourly rate from the applicable wage determination. This calculation occurs separately for each job classification the worker performed. The system creates distinct pay lines for each classification-hour combination.

The fringe benefit calculation requires more complexity. First, determine the total fringe amount due by multiplying hours worked by the fringe rate in the wage determination. Then apply credits for any bona fide benefits the employer provides. Subtract the hourly credit value of employer-sponsored benefits from the required fringe amount to determine the cash fringe due.

Consider this example: A cement mason works 40 hours on a prevailing wage project. The wage determination requires a base rate of $35.00 per hour and fringes of $15.50 per hour. The employer provides health insurance worth $8.50 per hour and contributes $2.00 per hour to a 401(k) plan.

Calculation ComponentAmount
Required Base Wage$35.00 × 40 hours = $1,400.00
Required Total Fringes$15.50 × 40 hours = $620.00
Health Insurance Credit$8.50 × 40 hours = $340.00
401(k) Credit$2.00 × 40 hours = $80.00
Cash Fringe Due$620.00 – $340.00 – $80.00 = $200.00
Total Compensation$1,400.00 + $620.00 = $2,020.00

The worker receives $1,600.00 in taxable wages ($1,400.00 base + $200.00 cash fringe) plus $420.00 in benefit plan contributions for total compensation of $2,020.00.

Handling Overtime on Prevailing Wage Jobs

Overtime calculations on prevailing wage projects require special attention. The Contract Work Hours and Safety Standards Act requires time and one-half pay for hours over 40 in a workweek on contracts exceeding $100,000. Some state laws impose daily overtime requirements in addition to weekly overtime.

Calculate the overtime premium based on the base hourly rate only, not the fringe benefit amount. The prevailing wage fringe rate does not increase for overtime hours under federal law, although some state laws differ. Using the previous example, if the cement mason worked 45 hours instead of 40, the calculation changes.

Calculation ComponentAmount
Straight Time (40 hours)$35.00 × 40 = $1,400.00
Overtime Premium (5 hours)($35.00 × 0.5) × 5 = $87.50
Total Base Wages$1,400.00 + $87.50 = $1,487.50
Total Fringe (45 hours)$15.50 × 45 = $697.50
Benefit Credits (45 hours)$10.50 × 45 = $472.50
Cash Fringe Due$697.50 – $472.50 = $225.00
Total Compensation$1,487.50 + $697.50 = $2,185.00

Processing Workers in Multiple Classifications

Workers frequently perform tasks in different classifications during a single workweek. When this occurs, you must calculate the regular rate using the weighted average method prescribed by the Fair Labor Standards Act. This method ensures proper overtime premium calculation when multiple rates apply.

Calculate total straight-time earnings by multiplying each rate by the hours worked at that rate. Add these amounts together and divide by total hours worked to determine the weighted average rate. The overtime premium equals half of the weighted average rate multiplied by overtime hours worked.

Consider this scenario: An employee works 25 hours as an electrician at $42.00 per hour and 20 hours as a painter at $30.00 per hour. The total hours equal 45, with 5 hours of overtime.

Calculation ComponentAmount
Electrician Earnings$42.00 × 25 hours = $1,050.00
Painter Earnings$30.00 × 20 hours = $600.00
Total Straight-Time$1,050.00 + $600.00 = $1,650.00
Weighted Average Rate$1,650.00 ÷ 45 hours = $36.67
Overtime Premium($36.67 × 0.5) × 5 hours = $91.68
Total Wages Due$1,650.00 + $91.68 = $1,741.68

ADP can automate this calculation if properly configured, but contractors must verify the system uses the weighted average method rather than paying overtime at the rate in effect when overtime hours occurred.

Generating Payroll Reports and Pay Stubs

After calculating all wages, generate payroll reports before finalizing the pay run. Review the prevailing wage payroll register to confirm that all workers received the correct rates for their classifications. Check that fringe benefit credits applied correctly and that cash fringe amounts appear in the taxable wage calculation.

Worker pay stubs must clearly show prevailing wage components. Employees need to see their base hourly rate, hours worked, overtime hours, and fringe benefit information. Transparency in pay stubs helps workers verify they received proper payment and assists in compliance audits.

Create the payroll tax file and submit it to ADP for processing. The system calculates federal income tax, Social Security, Medicare, state income tax, and other withholdings based on the total taxable wages including cash fringes. Remember that fringe benefits paid as employer contributions to benefit plans remain non-taxable and do not appear in the employee’s W-2 wages.

Understanding Fringe Benefits and Payment Methods

Fringe benefits represent the most misunderstood aspect of prevailing wage compliance. Many contractors unnecessarily pay these amounts in cash, significantly increasing labor costs and tax obligations.

What Qualifies as Bona Fide Fringe Benefits

The Department of Labor defines bona fide benefits as employer contributions or costs incurred for benefits provided to employees. Qualifying benefits include health insurance, life insurance, pension plans, profit-sharing plans, vacation pay, holiday pay, sick leave, and certain training programs. The benefits must be reasonably anticipated to provide value to employees.

Benefits that do not qualify include Social Security taxes, workers’ compensation insurance, unemployment insurance, or other legally required employer costs. These represent normal business expenses that exist independent of prevailing wage requirements. Payments to employees for lost tools, uniform expenses, or other reimbursements also do not count as fringe benefits.

The benefit plan must meet specific structural requirements. Plans must be legally enforceable, providing employees with rights they can defend in court. The employer must make contributions at least quarterly, and the benefits must be available without unreasonable conditions. Benefits cannot discriminate between prevailing wage and non-prevailing wage workers.

Calculating Hourly Fringe Benefit Credit Values

Converting annual benefit costs into hourly credit values requires precise calculation. Start with the total annual employer contribution to a benefit plan. For health insurance, this equals the employer’s portion of premiums, not the total premium amount or the employee’s contribution.

Divide the annual contribution by 2,087 hours to determine the hourly credit. The Department of Labor uses 2,087 as the standard number of compensable hours in a year, calculated as 52 weeks times 40 hours per week plus 7 hours for holidays. This calculation produces a consistent hourly value across all industries and occupations.

For example, an employer pays $9,000 annually for an employee’s health insurance. The hourly fringe credit equals $9,000 ÷ 2,087 hours = $4.31 per hour. This $4.31 reduces the cash fringe payment required on prevailing wage work by $4.31 for each hour the employee works on a qualifying project.

Cash Fringe Payment and Tax Implications

When benefit credits do not cover the full fringe requirement, contractors must pay the difference in cash as part of the employee’s wages. These cash fringe payments become taxable income subject to federal income tax, Social Security, Medicare, and state income tax. The employer also pays matching Social Security and Medicare taxes on cash fringes.

Consider the significant cost difference between providing benefits and paying cash. Using the cement mason example from earlier, the $620 fringe requirement costs the employer different amounts depending on payment method. Paying $620 in cash triggers approximately $47 in employer payroll taxes (7.65% for Social Security and Medicare). Providing $620 in benefit plan contributions costs exactly $620 with no additional tax.

The tax impact grows more severe when contractors already pay workers at or above the prevailing base rate. If a contractor pays an employee $40.00 per hour but the prevailing base rate is only $35.00, the contractor might assume the extra $5.00 covers some fringe obligation. This assumption proves wrong because fringes remain separate from base wages. The contractor still owes the full fringe amount, and paying it in cash creates substantial additional tax costs.

Prevailing Wage Benefit Plans for Maximum Savings

Some contractors establish Prevailing Wage Benefit Plans specifically designed to maximize fringe benefit credits. These plans differ from traditional benefit plans because employers contribute different amounts depending on whether employees work on prevailing wage or standard projects.

A PWBP allows contractors to contribute the full prevailing wage fringe amount when employees work on qualifying projects but contribute lesser amounts on private work. This structure provides significant tax savings compared to paying cash fringes while giving workers valuable benefits.

Setting up a PWBP requires careful plan design to meet Department of Labor requirements and IRS regulations. The plan documents must clearly specify contribution rates and vesting schedules. Contractors should work with benefits consultants or attorneys experienced in prevailing wage compliance to establish these plans correctly.

Generating Certified Payroll Reports in ADP

Certified payroll reporting represents a legal requirement for contractors and subcontractors working on Davis-Bacon projects. These reports provide documentation that workers received proper wages and benefits, and contractors submit them weekly to contracting agencies.

Understanding Form WH-347 Requirements

Form WH-347 serves as the standard certified payroll form for federal projects. The form contains two pages: page one captures detailed payroll information for each employee, while page two provides the Statement of Compliance where the contractor certifies under penalty of perjury that the information is correct and workers received proper payment.

The form requires specific information for each employee. The contractor must list the worker’s full name, an identifying number (often the last four digits of the Social Security number), the number of withholding exemptions, work classification, hours worked each day of the workweek, and total hours worked. The form splits hours between straight time and overtime.

Wage information appears in several columns. The contractor reports the hourly rate paid for straight time and overtime, the total gross earnings before deductions, deductions taken from the employee’s pay, and net wages paid. The form separately tracks fringe benefits, showing amounts paid in cash as part of wages and amounts paid to benefit plans.

Completing the Payroll Information Section

Start with the header information on Form WH-347. Enter your company name and address, indicate whether you are the prime contractor or a subcontractor, and provide the payroll number. Number each payroll sequentially starting with 1 for the first week of the contract period. Continue numbering every week even if no work occurred.

Enter the week ending date, which is the last day of the seven-day payroll period. Include the project name, location, and project or contract number exactly as they appear in your contract documents. List the wage determination number from the applicable wage determination posted at the job site.

Complete employee information in columns 1 through 9. Enter each worker’s name in column 1, using last name first. Column 2 contains the worker identifying number. List the number of withholding exemptions from the employee’s W-4 in column 3. Column 4 shows the work classification for the employee’s work that week.

Record daily hours in columns 5a through 5g for each day of the workweek. Write the calendar date in the space above each column and enter hours worked below. If an employee worked in multiple classifications on the same day, create separate lines showing the hours in each classification. Total weekly hours appear in column 6, split between straight time (column 6a) and overtime (column 6b).

Recording Wage and Fringe Benefit Data

Column 7 shows the rate of pay. Enter the actual hourly rate paid to the employee in column 7a for straight time and column 7b for overtime if different. These rates must meet or exceed the prevailing wage base rate plus any additional amounts the contractor pays.

Column 8 captures fringe benefits. Enter the total gross fringe benefit credit amount in column 8a. This represents the hourly value of employer-provided benefits multiplied by hours worked. Column 8b shows cash paid in lieu of fringe benefits – money paid directly to the employee as wages because benefit credits do not cover the full fringe requirement.

Column 9 records total amounts paid. Column 9a shows gross wages before deductions, which equals the hourly rate times hours worked. Column 9b lists all deductions including federal income tax, Social Security, Medicare, state income tax, garnishments, and voluntary deductions. Column 9c shows the net wages paid to the employee after deductions.

Completing the Statement of Compliance

Page two of Form WH-347 contains the Statement of Compliance that makes the payroll report “certified.” This statement attests that payroll records are correct, workers are properly classified and paid, deductions are authorized, and the contractor maintains complete records.

The signatory must be an authorized representative of the contracting company. Owners, officers, or designated payroll administrators can sign, but they must have authority to bind the company legally. Include the person’s name, title, signature, and the date signed. Electronic signatures are acceptable if they meet authentication requirements.

If exceptions or explanations apply, provide them in the designated space. Common exceptions include apprentices working under registered programs, workers paid at hourly rates above the prevailing wage who received higher rates, or explanations of unusual deductions. Any deductions beyond standard payroll taxes require explanation and documentation of employee authorization.

Submitting Certified Payroll Reports

Submit certified payroll reports weekly to the contracting agency or designated representative. Even weeks when no work occurred require submission with a note indicating no work was performed. Late submissions can delay contract payments and trigger compliance investigations.

Each contracting agency specifies its submission method. Federal agencies increasingly require electronic submission through dedicated portals. California requires submission through the eCPR system operated by the Department of Industrial Relations. Other jurisdictions may accept email, mail, or in-person delivery.

Retain copies of all certified payroll reports for at least three years after project completion. The Department of Labor or state agencies can audit projects during this retention period. Contractors must produce payroll records, time cards, benefit plan documents, and other supporting documentation upon request.

Using ADP to Generate WH-347 Reports

ADP’s Construction Center of Excellence includes certified payroll reporting features that generate Form WH-347 using data from the payroll system. After processing payroll, access the certified payroll report module and select the project and week for the report. The system pulls employee hours, wage rates, classifications, and deductions from the processed payroll.

Review the generated report carefully before submission. Verify that all employees appear with correct classifications and that wage rates match the applicable wage determination. Check that fringe benefit calculations show the correct breakdown between plan contributions and cash fringes. Confirm that all hours worked on the project appear in the report.

Add required certifications and signatures through ADP’s document management system. The authorized representative can review the report online and apply an electronic signature that meets legal requirements. Some agencies require wet signatures on printed forms, in which case print the report from ADP and sign manually.

Third-party integrations like HCM TradeSeal often provide more robust certified payroll reporting than ADP’s native features. These systems generate reports in multiple formats including federal WH-347, state-specific forms, and XML files for electronic submission. The software can produce reports for multiple projects and time periods simultaneously, significantly reducing administrative time.

Common Prevailing Wage Scenarios with Examples

Real-world prevailing wage situations involve complexities beyond simple hourly calculations. These scenarios illustrate how to handle common situations contractors encounter.

Scenario 1: Multi-State Contractor with Varying Rates

A construction company based in Nevada wins three simultaneous contracts: a federal highway project in Nevada, a school renovation in California, and a municipal building in Oregon. Each project requires prevailing wage compliance but uses different wage determinations and reporting procedures.

The Nevada highway project uses federal Davis-Bacon rates because federal funds support the work. The contractor downloads the wage determination for Nevada highway construction from SAM.gov. An operating engineer receives a base rate of $38.75 per hour plus $18.20 in fringes under this determination.

The California school project requires compliance with California’s prevailing wage law, which applies to all public works exceeding $1,000. The contractor accesses wage rates from the California Department of Industrial Relations. California rates often exceed federal rates, and the contractor must pay whichever is higher. For this project, operating engineers receive $42.60 base plus $22.50 fringes.

Oregon’s municipal building project triggers Oregon’s prevailing wage law for contracts exceeding $50,000. Oregon publishes its own wage determinations separate from federal rates. The operating engineer rate for this county equals $40.10 base plus $20.80 fringes.

Project LocationBase RateFringe RateTotal RateReport Format
Nevada Federal Highway$38.75$18.20$56.95WH-347 to contracting officer
California School$42.60$22.50$65.10eCPR electronic submission
Oregon Municipal Building$40.10$20.80$60.90Oregon Bureau of Labor form

The contractor sets up three separate projects in ADP with distinct wage rate tables for each location. Employees record time against the specific project code, and ADP applies the correct rates automatically. The company generates separate certified payroll reports for each project using the required format and submits them to the appropriate agency.

Scenario 2: Worker Performing Multiple Classifications

An experienced construction worker performs both skilled and unskilled tasks during a single workweek. On Monday and Tuesday, the worker operates a backhoe, classified as an Operating Engineer. Wednesday through Friday, the same worker performs general labor tasks moving materials and cleaning the site.

The prevailing wage determination lists Operating Engineer at $41.00 base plus $16.50 fringes. The Laborer classification shows $28.00 base plus $12.00 fringes. The employee works 8 hours each day for a 40-hour week with no overtime.

ClassificationHoursBase RateFringe RateBase PayFringe Owed
Operating Engineer16 hours$41.00$16.50$656.00$264.00
Laborer24 hours$28.00$12.00$672.00$288.00
Total40 hours——$1,328.00$552.00

The contractor provides health insurance worth $6.00 per hour and contributes $1.50 per hour to a retirement plan. These benefit credits total $7.50 per hour and apply to all 40 hours worked. Total benefit credits equal $7.50 × 40 = $300.00.

The remaining fringe obligation must be paid in cash: $552.00 required – $300.00 benefits = $252.00 cash fringe. The worker receives $1,580.00 in taxable wages ($1,328.00 base + $252.00 cash fringe) plus $300.00 in non-taxable benefit contributions.

ADP processes this scenario by creating separate payroll lines for each classification. The contractor enters 16 hours with the Operating Engineer code and 24 hours with the Laborer code. The system applies the correct rate to each line, calculates total fringes owed, applies benefit credits, and determines the cash fringe amount to add to taxable wages.

Scenario 3: Apprentice Working on Prevailing Wage Project

A registered electrical apprentice works on a federal construction project. The apprentice completed 3,200 hours in an approved apprenticeship program. The program operates on a four-period system with each period representing 2,000 hours of on-the-job training.

The wage determination lists journeyman electricians at $44.00 base plus $19.75 fringes for a total rate of $63.75. The apprentice program specifies that apprentices in period 2 (2,000 to 4,000 hours) receive 65% of the journeyman rate for both base wage and fringes.

Wage ComponentJourneyman RateApprentice PercentageApprentice Rate
Base Hourly Wage$44.0065%$28.60
Fringe Benefits$19.7565%$12.84
Total Rate$63.7565%$41.44

The apprentice works 42 hours during the week, including 2 hours of overtime. The contractor calculates the base wage as $28.60 × 40 regular hours = $1,144.00 plus ($28.60 × 1.5) × 2 overtime hours = $85.80 for total base wages of $1,229.80.

Fringe benefits total $12.84 × 42 hours = $539.28. The contractor provides health insurance worth $7.00 per hour (applied to all 42 hours = $294.00). The remaining cash fringe equals $539.28 – $294.00 = $245.28.

The apprentice receives $1,475.08 in taxable wages ($1,229.80 base + $245.28 cash fringe) plus $294.00 in health insurance contributions. The certified payroll report must identify the worker as an apprentice, list the apprentice rate, and include the apprenticeship program name and registration number.

ADP handles apprentice payroll by creating distinct wage codes for each apprentice period. The contractor assigns the appropriate apprentice classification to the employee based on their current hours in the program. When the apprentice completes enough hours to advance to the next period, the contractor updates the classification in ADP to apply the higher rate going forward.

Mistakes to Avoid in Prevailing Wage Payroll

Prevailing wage compliance violations occur frequently even among experienced contractors. Understanding common mistakes helps you implement controls that prevent costly errors.

Misclassifying Workers by Job Title Instead of Actual Work

The most frequent prevailing wage violation involves classifying workers based on their job title or primary trade rather than the actual work they perform. An electrician who spends four hours performing concrete work must receive the cement mason rate for those four hours, not the electrician rate. The distinction costs contractors tens of thousands in back wages when discovered during audits.

State and federal enforcement agencies investigate worker classification carefully. They interview workers to determine what tasks they performed and compare this information against the classifications listed on certified payroll reports. Discrepancies trigger back wage calculations and penalties. In severe cases, contractors face criminal charges for wire fraud when misclassification appears intentional.

Prevent this mistake by training foremen to track classifications throughout the day. Workers should record not just hours but what type of work they performed each hour. Time tracking systems should support multiple classification codes per day per worker. Review time records weekly to verify that classifications match the tasks the project required that week.

Using Outdated Wage Determinations

Wage determinations change frequently through scheduled increases, annual updates, or revisions during the contract period. Contractors sometimes continue using the rates from the original wage determination even after the Department of Labor publishes updated rates. This creates immediate underpayment violations the moment new rates take effect.

Projects with durations exceeding one year almost certainly will require wage rate updates. Some determinations include predetermined increases that specify future dates when rates increase by set amounts. Contractors must track these dates and adjust wages promptly when increases occur. The contract documents usually specify how to handle wage determination updates during the contract period.

Implement a system that monitors wage determinations monthly. Assign a payroll team member to check SAM.gov or state wage determination websites regularly. When updates appear, immediately notify project managers and update wage rate tables in ADP. Document the date of each rate change and retain copies of all wage determinations that applied during the contract period.

Failing to Pay Full Overtime Premium on Base Wages

Overtime calculations on prevailing wage projects confuse many payroll processors. The correct method requires paying time and one-half of the base wage rate for overtime hours while paying the straight-time fringe amount for all hours. Some contractors incorrectly apply the overtime multiplier to the total prevailing wage including fringes, creating substantial overpayments.

Other contractors make the opposite error, paying only the base rate for overtime hours without any premium. This occurs when payroll systems add prevailing wage as a flat dollar amount per hour rather than calculating it as a rate that adjusts for overtime. The Contract Work Hours and Safety Standards Act mandates overtime premium pay, and violations trigger liquidated damages equal to unpaid amounts.

Configure ADP to separate base wages from fringes in its rate tables. The system needs the base rate as one field and the fringe rate as a second field. This structure enables ADP to multiply the base rate by 1.5 for overtime hours while adding the straight-time fringe amount. Test the calculation with a sample employee to verify that ADP produces the correct overtime wages before running production payroll.

Paying Cash Fringes When Benefit Credits Are Available

Many contractors pay the entire prevailing wage in cash because they do not realize their existing benefit plans qualify for fringe benefit credit. This mistake significantly increases labor costs through unnecessary cash fringe payments and the associated payroll taxes on those payments. The error compounds when contractors employ many workers on prevailing wage projects over extended periods.

Common benefit plans that qualify for credit include employer-paid health insurance premiums, employer contributions to 401(k) or other retirement plans, and employer-provided vacation or holiday pay. These benefits likely already exist in your company’s compensation structure. Calculating their hourly value and applying the credits reduces cash fringe obligations substantially.

Audit your current employee benefits annually to determine their fringe credit value. Work with your benefits administrator or insurance broker to obtain the annual employer cost for each benefit program. Calculate the hourly credit value using the 2,087-hour method. Update these values in ADP’s benefit credit configuration so the system automatically applies credits during prevailing wage payroll processing.

Not Maintaining Required Payroll Records

Record retention requirements extend three years beyond project completion. Contractors must maintain certified payroll reports, employee time cards, benefit plan documents, wage determinations, and all supporting documentation throughout this period. Failure to produce records during an audit creates an immediate presumption of violation, shifting the burden to the contractor to prove compliance.

Electronic records satisfy retention requirements if they remain accessible and printable for the full retention period. ADP maintains payroll records in its system, but contractors should export and archive prevailing wage payroll data annually. Store certified payroll reports, time records, and project documentation in a organized filing system with clear project identification.

Develop a record retention policy specific to prevailing wage projects. Tag these projects in your accounting system so records are not purged during routine data cleanup. Notify the person responsible for record retention whenever your company starts or completes a prevailing wage project so they can implement appropriate archiving procedures.

Skipping Weekly Certified Payroll Submissions

Certified payroll reports are due weekly, not upon project completion or when convenient. Some contractors batch reports and submit them monthly or quarterly, creating immediate compliance violations. Weekly submission requirements ensure that workers receive proper wages and allow contracting agencies to monitor compliance throughout the project.

Late submissions delay contract progress payments and trigger enforcement actions. Many contracts include clauses allowing the contracting agency to withhold payment until the contractor provides current certified payroll reports. The compounding effect of missed submissions creates cash flow problems for contractors and administrative nightmares when preparing multiple weeks of reports simultaneously.

Integrate certified payroll reporting into your regular payroll processing schedule. Immediately after finalizing weekly payroll in ADP, generate and submit the certified payroll report for that week. Assign a staff member to monitor submission deadlines and follow up on any missing reports. Track submission dates in a spreadsheet or project management system to ensure no weeks are skipped.

Do’s and Don’ts for Prevailing Wage in ADP

Following best practices prevents compliance violations and streamlines payroll processing. These do’s and don’ts reflect lessons from contractors who successfully manage prevailing wage requirements.

Do’s for Prevailing Wage Compliance

Do verify wage determinations before bidding projects. Labor costs represent the largest expense on construction projects. Download the applicable wage determination during bid preparation and calculate labor costs using prevailing wage rates. This practice prevents budget shortfalls and ensures your bid price covers actual wage obligations. Inaccurate labor cost estimates lead to project losses and difficult choices between paying proper wages and maintaining profitability.

Do train foremen and supervisors on classification requirements. Field supervisors control time allocation and job assignments. They need to understand that worker classifications depend on tasks performed, not job titles or convenience. Regular training sessions that cover classification rules and consequences of misclassification create accountability. Provide foremen with reference materials that list common classifications and the tasks each classification includes.

Do calculate fringe benefit credit values for your benefit plans. This single action saves more money than any other prevailing wage compliance measure. Most contractors provide health insurance and other benefits that qualify for fringe credit. The hourly value of these benefits directly reduces cash fringe payments and payroll taxes. Update credit calculations annually when benefit costs change to ensure you capture full savings.

Do review certified payroll reports before submission. The certification statement declares under penalty of perjury that information is correct and workers received proper payment. Take this certification seriously by implementing a review process before anyone signs the report. Check that hours match time records, wage rates correspond to the wage determination, and calculations appear correct. Errors caught before submission prevent violations and back wage payments.

Do use technology to automate prevailing wage calculations. Manual prevailing wage processing creates errors and consumes excessive time. ADP’s Construction Center of Excellence or third-party integrations like HCM TradeSeal automate rate lookups, fringe calculations, and report generation. The initial setup investment pays dividends through reduced errors, faster processing, and better compliance documentation. Technology also provides audit trails that demonstrate your compliance efforts.

Don’ts That Create Prevailing Wage Problems

Don’t assume your standard payroll rates satisfy prevailing wage requirements. Even contractors who pay above-market wages violate prevailing wage laws if they fail to separate base wages from fringes and provide proper documentation. Paying a single high hourly rate without tracking fringe components creates compliance problems because certified payroll reports require this breakdown. Structure your pay rates to identify base wages and fringes separately even if the amounts exceed prevailing wage minimums.

Don’t use the same wage rates for all geographic locations. Prevailing wages vary by county, city, or wage determination area. A rate that complies in one location may violate requirements 50 miles away. Track which wage determination applies to each project and configure ADP with location-specific rate tables. Workers who travel between projects in different wage areas must receive the correct rate for each location.

Don’t classify all workers in the same broad category. Using generic classifications like “construction worker” or “general labor” for everyone on the crew violates prevailing wage requirements. The wage determination lists specific classifications that reflect the actual trades working on construction projects. Match workers to these specific classifications based on their tasks. The wage difference between classifications is significant, and proper classification protects both workers and contractors from violations.

Don’t ignore predetermined wage increases in wage determinations. Some determinations include scheduled rate increases on specific future dates. Mark these dates clearly in your project calendar and update ADP’s wage tables before the increase takes effect. Continuing to pay old rates after an increase date creates immediate underpayment violations that accumulate daily until corrected. Set calendar reminders 30 days before scheduled increases to allow time for payroll system updates.

Don’t process prevailing wage payroll without backup documentation. Every wage decision requires supporting documentation. Keep copies of the applicable wage determination, employee time records showing classifications, benefit plan documents proving fringe credits, and records of actual benefit contributions made. This documentation proves compliance during audits and supports your certified payroll certifications. Organize documents by project and pay period for efficient retrieval.

Frequently Asked Questions About Prevailing Wage in ADP

Can ADP automatically apply prevailing wage rates to employee time records?

Yes. ADP Workforce Now with the Construction Center of Excellence can automatically apply prevailing wage rates when you properly configure project codes, wage determinations, and employee classifications in the system. However, ADP’s native features have limitations, and many contractors achieve better automation through third-party integrations.

Does every construction project require prevailing wage compliance?

No. Only projects funded with federal, state, or local government money exceeding threshold amounts require prevailing wage. Private construction projects not receiving public funding do not trigger prevailing wage requirements regardless of size. Check your contract terms to determine if prevailing wage applies.

Can I pay the entire prevailing wage as one hourly rate?

No. Although workers receive the total prevailing wage amount, certified payroll reports must separately identify base wages and fringe benefits. The wage determination lists these components separately, and your payroll records must maintain this distinction for compliance reporting.

Do fringe benefits paid to benefit plans count as wages for tax purposes?

No. Employer contributions to qualified benefit plans like health insurance or retirement accounts remain non-taxable. These amounts do not appear on employee W-2 forms or create income tax obligations. Only cash fringe payments add to taxable wages and trigger payroll taxes.

Must I submit certified payroll for weeks when no work occurred?

Yes. Certified payroll submissions continue weekly from contract start through completion, even during weeks when weather or other factors prevent work. Submit the form with a note stating no work was performed that week.

Can apprentices receive lower wages than journeymen on prevailing wage projects?

Yes. Registered apprentices working under approved programs receive a percentage of the journeyman rate based on their apprentice period or progression level. The apprentice must be registered with a Department of Labor approved program to qualify for the reduced rate.

Does ADP integrate with construction ERP systems for job costing?

Yes. ADP connects with major construction ERP platforms including Procore, Sage, Viewpoint, CMiC, and others through direct integrations or middleware solutions like HCM TradeSeal. These connections sync labor costs from ADP’s payroll to job cost modules in your ERP system.

Are state prevailing wage requirements the same as federal Davis-Bacon requirements?

No. States with prevailing wage laws set their own thresholds, wage rates, and reporting procedures that differ from federal requirements. Some state rates exceed federal rates, and contractors must pay whichever wage is higher when both laws apply.

Can I correct certified payroll reports after submission?

Yes. Submit corrected reports when you discover errors in previously submitted certified payrolls. The corrected report should clearly identify which original report it replaces and explain the corrections made. Pay any additional wages owed to workers before submitting the correction.

Do overtime hours receive the same fringe benefit amount as straight time?

Yes. Federal prevailing wage requirements do not increase fringe benefits for overtime hours. Workers receive the straight-time fringe amount per hour regardless of overtime status. Some state laws differ, so verify requirements for state-funded projects.

Must independent contractors appear on certified payroll reports?

Yes. Independent contractors performing work subject to Davis-Bacon requirements must be listed on certified payroll with proper prevailing wages reported. The contractor-subcontractor relationship does not exempt 1099 workers from prevailing wage requirements.

Can I use a single wage determination for multiple projects?

No. Each project requires its own wage determination based on the project location, type of construction, and bid or award date. Using incorrect determinations creates immediate compliance violations even if wage rates are similar.

Does ADP automatically calculate weighted average overtime for multiple classifications?

No. Standard ADP configurations typically do not calculate weighted average overtime automatically. Contractors must configure custom pay rules or use third-party integrations to handle this complex calculation correctly.

Are meal breaks and travel time subject to prevailing wage?

No. Only compensable work time requires prevailing wage payment. Unpaid meal breaks do not count toward hours worked. Travel time may require compensation depending on circumstances but often at regular rates rather than prevailing wages.

Can I apply fringe benefit credits from health insurance to employees who decline coverage?

No. Fringe benefit credits only apply when the employee actually receives the benefit. Workers who decline health insurance generate no credit value, and the full fringe amount must be paid in cash to those employees.

Must certified payroll reports include deduction details for all employees?

Yes. The certified payroll form requires listing all deductions made from employee wages including taxes, garnishments, and voluntary deductions. Any deduction beyond standard payroll taxes requires explanation and proof of employee authorization.