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Construction glossary
Construction Glossary •

What is a Notice of Commencement (NOC)?

What is a Notice of Commencement (NOC)?

A Notice of Commencement (NOI) is a legal document filed by general contractors (GCs) to formally declare the start of a construction project. In addition to establishing an official record of when construction began, it also provides essential information about the project—property details, project scope, contact information for key project stakeholders, etc. In some states, it may be referred to as a Notice of Project Commencement, an Affidavit of Commencement, or a Notice of Contract. 

For subcontractors, NOCs are important because they determine when you need to file paperwork to protect your lien (and thereby, payment) rights. Once the owner or GC files an NOC, it often changes the deadlines for when you must submit preliminary notices and mechanics’ liens. These documents contain vital project information, including:

  • legal property descriptions,
  • owner details,
  • GC information, and
  • surety data.

In most states where NOCs are required, they must be posted at the job site and recorded with the county clerk’s office. Subcontractors should be aware that failing to respond properly to an NOC could result in losing their right ot file a lien if a payment issue arises.

Staying informed about documentation like NOCs is crucial for securing payment on construction projects. For more detailed information on how to protect your lien when working on projects with an NOC, visit this blog post for the complete guide and best practices. Subscribe to Siteline’s newsletter for regular updates on getting paid on time and protecting your bottom line.

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Other construction terms

Schedule of Values (SOV)

What is a Schedule of Values (SOV)?

A Schedule of Values (SOV) is a detailed breakdown of a construction contract that itemizes the total contract amount into specific work categories, phases, or deliverables. It shows the dollar value assigned to each component of work that’ll be completed during a construction project. As such, the SOV is a critical component of successful project and cash flow management. It also lays the groundwork for progress billing and payment applications (like AIA® G702/G703® forms).

Here’s how it works: 

  • Contractors create initial SOVs that allocate contract value across work phases.
  • They maintain the SOVs to align with actual work schedules and ensure billing requests match project progress.
  • SOVs get updated when changes occur on the job, altering the original scope and budget.

As you can imagine, managing multiple SOVs across projects while tracking actual costs against line items becomes complex and time-consuming.

Siteline streamlines this entire process by integrating with major construction ERPs and accounting software. Subs import project data from their ERP into Siteline, compile and send pay apps directly in the system (accounting for any change orders), and then rest easy knowing that Siteline automatically syncs approved invoices back to the ERP. 

The result? Faster billing cycles and quicker payments. Want to see how it works? Book some time with us.

Unit Price Billing

What is Unit Price Billing?

Unit Price Billing is a method used in the construction industry where costs are determined based on agreed-upon rates for specific types of work. This method means you pay for materials and labor based on the quantity used or amount of time expended. For instance, if you're building a skyscraper, payment might be determined by a set price for every square foot of construction rather than a lump sum for the entire project. Unit Price Billing allows for more flexibility as changes occur during construction, with pricing adjustments made according to altered quantities. It provides transparency and can potentially lead to cost savings if actual quantities are less than projected.

Double-Entry Accounting

What is Double-Entry Accounting?

Double-entry accounting is a system used extensively in the construction industry, where every financial transaction has equal and opposite effects in at least two different accounts. The objective is to ensure the sum of all debits always equals the sum of all credits, thereby maintaining balance in the books. For example, if a construction company purchases building materials, it records the transaction as a debit in the inventory account but a credit in the cash account. This system allows for easier financial analysis, error tracing, and fair representation of a company’s financial position. This method also manages the complexity of financial transactions in the construction industry, increasing financial reliability and providing valuable insights on company performance.

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