Construction Manual The NHDOT Construction Manual and related documents. NHDOT Construction Manual Foreword Table of Contents Division 100 - General Provisions Division 200 - Earthwork Division 300 - Bases Division 400 - Pavements Division 500 - Structures Division 600 - Incidental Construction Division 700 - Materials Division 800 - Project Records Division 900 - Miscellaneous Information Index Guide to Frequency of Sampling and Testing