FINAL RECONCILING CHANGE ORDER - CHANGE ORDER NO. 2 Sarasota Bradenton International Airport Master Drainage System Improvements Quality Enterprises USA, Inc. Dates: From 10/17/2019 To: 10/29/2021
| Item | Specification | Description | Unit | Quantity | Unit Cost | Amount | Final Quantity | Amount | Percent | Comment |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | C-100 | Contractor Quality Control Program | LS | 1 | $ 63,000.00 | $ 63,000.00 | 1 | $ 63,000.00 | 100% | |
| 2 | C-102-5.1a | Synthetic Bales | LF | 3,725 | $ 2.25 | $ 8,381.25 | 3,865 | $ 8,696.25 | 104% | Additional erosion and sedimentation controls needed to comply with discharge water quality 29 NTU limits. As a permit condition this item is performance-based and can vary with rainfall, soil erodibility, and other factors that cannot be fully defined in advance |
| 3 | C-102-5.1e | Installation and Removal of Silt Fence | LF | 7,680 | $ 1.00 | $ 7,680.00 | 9,280 | $ 9,280.00 | 121% | Refer item 2 |
| 4 | C-102-5.1f | Check Dams | EA | 7 | $ 250.00 | $ 1,750.00 | 15 | $ 3,750.00 | 214% | Refer item 2 |
| 5 | C-102-5.1g | Inlet Protection | EA | 7 | $ 120.00 | $ 840.00 | 36 | $ 4,320.00 | 514% | Refer item 2 and 40. Also note some areas required double and triple normal inlet protection |
| 6 | C-102-5.1h | Floating Turbidity Barriers | LF | 1,520 | $ 6.00 | $ 9,120.00 | 1,450 | $ 8,700.00 | 95% | Normal variance |
| 7 | C-102-5.1i | Soil Tracking Prevention Device | EA | 7 | $ 2,000.00 | $ 14,000.00 | 14 | $ 28,000.00 | 200% | Additional access locations required additional small tracking prevention devices |
| 8 | C-105 | Mobilization | LS | 1 | $ 545,000.00 | $ 545,000.00 | 1 | $ 545,000.00 | 100% | |
| 9 | P-101-5.1 | Pavement Removal | SY | 7,748 | $ 5.25 | $ 40,677.00 | 6,325 | $ 33,206.25 | 82% | The contractor opted to use a trench box which reduced cuts in the existing pavement compared to laid-back slopes provided for in the original bid. |
| 10 | P-101-5.2 | Removal of Pipe and Other Buried Structures | LS | 1 | $ 30,000.00 | $ 30,000.00 | 1 | $ 30,000.00 | 100% | |
| 10a | P-101-5.2 | Removal of Pipe and Other Buried Structures(Twy C) | LS | 1 | $ 76,180.00 | $ 76,180.00 | 1 | $ 76,180.00 | 100% | |
| 11 | P-151-4.1 | Clearing | AC | 44.0 | $ 625.00 | $ 27,500.00 | 44 | $ 27,500.00 | 100% | |
| 12 | P-151-4.2 | Clearing and Grubbing | AC | 16.0 | $ 2,100.00 | $ 33,600.00 | 16 | $ 33,600.00 | 100% | |
| 13 | P-152-4.1 | Embankment in Place | CY | 113,810 | $ 10.40 | $ 1,183,624.00 | 130,904 | $ 1,361,401.60 | 115% | Two ponds in phase 4 and one pond in phase 3 had scour depths greater and more extensive than revealed by the initial hydrographic survey. The marshy area in phase 1 had root mats extending 12 inches deeper than originally estimated. The area was not accessible for geotechnical exploration at the time of the original design. |
| 14 | P-154-5.1 | Subbase Course | SY | 10,215 | $ 8.00 | $ 81,720.00 | 9,140.00 | $ 73,120.00 | 89% | The contractor opted to use a trench box which reduced cuts in the existing pavement compared to laid-back slopes provided for in the original bid. This reduced the subbase quantity needed. |
| 17 | P-219-6.1a | Recycled Concrete Aggregate Base Course (9-inch) | SY | 6,390 | $ 19.00 | $ 121,410.00 | 6,808.00 | $ 129,352.00 | 107% | Connection to existing pavement required additional base at the transition. Also refer item 20a |
| 18 | P-219-6.1b | Recycled Concrete Aggregate Base Course (14-inch) | SY | 3,825 | $ 26.00 | $ 99,450.00 | 2,075.00 | $ 53,950.00 | 54% | The contractor opted to use a trench box which reduced cuts in the existing pavement compared to laid-back slopes provided for in the original bid. This reduced the base quantity needed. |
| 19 | P-401-8.1 | Asphalt Surface Course | TON | 990 | $ 170.00 | $ 168,300.00 | 606.50 | $ 103,105.00 | 61% | The contractor opted to use a trench box which reduced cuts in the existing pavement compared to laid-back slopes provided for in the original bid. This reduced the surface quantity needed. |
| 20 | P-403-8.1 | Asphalt Mixture Surface Course | TON | 1,100 | $ 170.00 | $ 187,000.00 | 1,138.30 | $ 193,511.00 | 103% | Normal variance |
| 20a | FDOT Sec 334 | Asphalt SP 12.5 Surface Course | TON | 25 | $ 170.00 | $ 4,250.00 | 26.49 | $ 4,503.30 | 106% | Normal variance |
| 21 | P-602-5.1 | Emulsified Asphalt Prime Coat | GAL | 2,273 | $ 9.00 | $ 20,457.00 | 0.00 | $ - | 0% | Prime coat was not needed due to weather and construction conditions |
| 22 | P-603-5.1 | Emulsified Asphalt Tack Coat | GAL | 267 | $ 8.00 | $ 2,136.00 | 283.50 | $ 2,268.00 | 106% | Normal variance |
| 23 | P-620-5.1a | Surface Preparation | LS | 1 | $ 7,250.00 | $ 7,250.00 | 1.00 | $ 7,250.00 | 100% | |
| 24 | P-620-5.1b | Marking | SF | 3,200 | $ 6.00 | $ 19,200.00 | 2,853.00 | $ 17,118.00 | 89% | Trench box use required less remarking of airfield pavement due to narrower cuts and required reconstruction |
| 25 | P-620-5.1c | Reflective Media | LB | 92 | $ 18.00 | $ 1,656.00 | 230.00 | $ 4,140.00 | 250% | Additional reflective media were required for consistency with adjacent markings and improved visibility |
| 26 | P-620-5.1d | Temporary Runway and Taxiway Marking | SF | 1,100 | $ 5.00 | $ 5,500.00 | 1,210.00 | $ 6,050.00 | 110% | Adjusted based on field observations and operating requirements |
| 27 | P-621-5.1 | Grooving | SY | 1,650 | $ 3.50 | $ 5,775.00 | 1,650.00 | $ 5,775.00 | 100% | |
| 28 | F-162-5.1 | Chain Link Fence | LF | 100 | $ 40.00 | $ 4,000.00 | 0.00 | $ - | 0% | Not required for secure access |
| 29 | F-162-5.2 | Vehicle Gate | EA | 1 | $ 2,500.00 | $ 2,500.00 | 0.00 | $ - | 0% | Not required for secure access |
| 30 | D-701-5.1a | 24-inch RCP, Class V, Complete in-place | LF | 1,288 | $ 93.50 | $ 120,428.00 | 112.00 | $ 10,472.00 | 9% | Existing pipes beneath the water surface were of different sizes and configurations than indicated by survey or as-built plans. This required resisting to maintain the system hydraulics consistent with planned future expansions. Refer also to items 31 and 40. |
| 31 | D-701-5.1b | 30-inch RCP, Class V, Complete in-place | LF | 1,656 | $ 125.00 | $ 207,000.00 | 3,152.00 | $ 394,000.00 | 190% | Refer to item 30 above |
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