| Item | Specification | Description | Unit | Quantity | Unit Cost | Amount | Final Quantity | AS-BUILT | Percent | Comment |
|---|
| CO2-9 | | | Provide and install two inlet frame and grates | LS | | | | 1 | $ 2,967.00 | | Required for structure modifications in phase 4 area. Prior to wall failure modifications were solely concrete and steel provided for in items 41 and 42. |
|---|
| CO2-10 | | | Perform waterline deflection phase 1 | LS | | | | 1 | $ 27,988.00 | | Unexpected deflection required since waterline was at different depths and alignment than shown on as-built plans and expected based on field locates done by County utility personnel. |
|---|
| CO2-11 | | | Provide and install shallow edge light can | LS | | | | 1 | $ 841.00 | | Required as part of one of three waterline deflections |
|---|
| CO2-12 | | | Perform additional waterline deflection phase 1 | LS | | | | 1 | $ 22,704.00 | | Unexpected deflection required since waterline was at different depths and alignment than shown on as-built plans and expected based on field locates done by County utility personnel. |
|---|
| CO2-13 | | | Perform waterline deflection phase 2 | LS | | | | 1 | $ 22,975.00 | | Unexpected deflection required since waterline was at different depths and alignment than shown on as-built plans and expected based on field locates done by County utility personnel. |
|---|
| CO2-14 | | | Provide and install 24 feet 15-inch RCP | LS | | | | 1 | $ 2,012.00 | | Required to connect existing pipe to field adjusted inlet. |
|---|
| CO2-15 | | | Remove and dispose of: two wing walls; one structure; 8 feet 54-inch RCP | LS | | | | 1 | $ 20,877.00 | | Encountered during excavation. Not shown on as-builts and not detectable by field survey. This was unknown when Taxiway C Change Order No. 1 was negotiated. |
|---|
| CO2-16 | | | Remove and dispose of 288 feet 36-inch RCP and two structures | LS | | | | 1 | $ 31,723.00 | | Encountered during excavation. Not shown on as-builts and not detectable by field survey. This was unknown when Taxiway C Change Order No. 1 was negotiated. |
|---|
| CO2-17 | | | Remove and dispose of asbestos pipe | LS | | | | 1 | $ 1,036.00 | | Encountered during excavation. Not shown on as-builts and not detectable by field survey. |
|---|
| CO2-18 | | | Minor Modifications to Structures A1, A2 and A3 | LS | | | | 1 | $ 4,825.00 | | Modification to slow excess groundwater drainage velocities and relieve groundwater pressures based on observed geohydrologic conditions |
|---|
| SUB-TOTAL $ 213,147.00 |
| TOTAL $ 8,288,758.90 |