Download OIG Public Purchasing and Public Construction Manuals

The Designing and Constructing Public Facilities Manual contains requirements and recommendations for awarding construction project contracts. The Chapter 30B Manual contains information about public procurement requirements and recommendations.

Download the Chapter 30B Manual

The new edition of the OIG's Chapter 30B manual incorporates recent statutory changes and new thresholds and requirements for school districts. It also includes updated forms and checklists, as well as practical advice on conducting a wide range of procurements.

Download the Designing and Constructing Public Facilities Manual

This manual helps public officials understand their statutory obligations when spending public funds and provides both the public and private sectors with guidance in undertaking public construction projects.  

Download our quick-reference charts of MA public procurement procedures

The charts provide a general overview of the principal public procurement statutes and are not a substitute for reviewing the statute or obtaining the advice of legal counsel.


Contact Information


Office of the Inspector General
One Ashburton Place, Room 1311, Boston, MA 02108


Available 8:30 a.m. to 4:30 p.m., M-F. Our confidential Hotline is for public employees and individuals with Chapter 30B procurement questions. Direct questions related to design and construction procurement to the Attorney General’s Office.

We welcome non-English speakers to contact us. Confidential translation services are available in most languages. Call Chapter 30B Assistance Contact Information, We welcome non-English speakers to contact us. Confidential translation services are available in most languages. at

Upcoming Events

  • Contract Administration - OIG Academy Elective 

    June 21, 2024, 8:15 a.m. - 3:30 p.m.
    This 1-day live online class will provide you with all the necessary tools to successfully and efficiently administer your jurisdiction’s contracts.
  • Design and Construction Law Considerations - OIG Academy Elective 

    Registration is closed.
    This class provides public employees, contractors and others involved in the design and construction of public buildings and public works with a more in-depth review of timely topics and addresses topics not covered in the core DCC class.

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