ROAD COMMISSION FOR OAKLAND COUNTY SPECIAL PROVISION FOR FOUNDATION EXCAVATION HRC:RBN PAGE 1 OF 2 RCOC12SP206B 07-10-2012 a. Description. This work includes all labor, materials, and equipment necessary for the excavation and offsite disposal of all materials necessary for the construction of the box culvert bridge to the limits as shown on the Plans. Reference to sections shall be in accordance with the numbered section of the “2012 Standard Specifications for Construction” issued by the Michigan Department of Transportation. b. Materials. Materials shall be in accordance with Section 206. c. Construction. The construction methods shall be in accordance with Section 206.03. d. Measurement and Payment. The completed work as measured for FOUNDATION EXCAVATION will be paid for at the contract unit prices for the following contract pay items: Pay Item Pay Unit Excavation, Fdn, RCOC …………………….………..………………………….…..… Cubic Yard Excavation, Fdn, RCOC will be measured by cubic yard which will be based on Plan quantities. Payment of this item shall be payment in full for all costs associated with furnishing and installing “Excavation, Fdn, RCOC.” Since unstable soils have a tendency to expand once excavated, the method for determining the volume of excavated material removed and disposed offsite shall be as follows: 1. After the Contractor excavates to final culvert bedding grade, the Contractor shall perform a topographical survey of the area and compare with the Owner’s preconstruction topographical survey. 2. The Contractor shall be paid for the volume difference between the pre-construction topographic survey and the Contractor’s excavation topographic survey. 3. The following items will not be measured and paid for separately and will include the furnishing of all labor, materials, and equipment as necessary to complete this work, and are included in the bid item “Excavation, Fdn, RCOC”: 4. Furnishing of all labor, equipment, and materials necessary to excavate to final culvert bedding grade as indicated on the Plans. 5. Contractor shall perform an excavated topographic survey and provide the Engineer with results. HRC:RBN PAGE 2 OF 2 RCOC12SP206B 07-10-2012 6. Contractor shall provide volume calculations that clearly indicates the NET volume of material removed and disposed offsite for the Engineer’s approval.