Tunnel Options

ENGINEER'S OPINION OF PROBABLE COSTS 10' Pedestrian Trail Options & Pedestrian Underpass, US 6 Tall Grass Avenue to Roberts Ferry Road Tiffin, IA <table> <tr> <th rowspan="2">ITEM NO.</th> <th rowspan="2">DESCRIPTION</th> <th rowspan="2">UNIT</th> <th rowspan="2">UNIT PRICE</th> <th colspan="2">Option 1</th> <th colspan="2">Option 2</th> <th colspan="2">Option 3</th> <th colspan="2">Option 4</th> <th colspan="2">Option 5</th> <th colspan="2">Option 6</th> <th colspan="2">Project Total</th> </tr> <tr> <th>Underpass Work</th> <th>125' of proposed Trail from Culvert, south, to existing trail</th> <th>1500' of proposed Trail from Culvert, west, to Tall Grass Avenue</th> <th>700' of proposed Trail from Culvert, north, to Redbird Run</th> <th>1000' of proposed Trail from Culvert, east, to Roberts Ferry Road</th> <th>600' of proposed Trail from Croft Avenue to N. Kimberlin Street</th> <th>QUANTITY</th> <th>COST</th> <th>QUANTITY</th> <th>COST</th> <th>QUANTITY</th> <th>COST</th> <th>QUANTITY</th> <th>COST</th> <th>QUANTITY</th> <th>COST</th> <th>QUANTITY</th> <th>COST</th> <th>QUANTITY</th> <th>COST</th> <th>TOTAL PRICE</th> </tr> <tr> <td>1</td> <td>Clearing & Grubbing</td> <td>LS</td> <td>6,000.00</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>0.40</td> <td>2,400</td> <td>0.20</td> <td>1,200</td> <td>0.30</td> <td>1,800</td> <td>0.10</td> <td>600</td> <td>1</td> <td>6,000</td> </tr> <tr> <td>2</td> <td>FILL Contractor Furnished</td> <td>CF</td> <td>13.00</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>1,182</td> <td>15,366</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>1,182</td> <td>15,366</td> </tr> <tr> <td>3</td> <td>Excavation</td> <td>CY</td> <td>5.00</td> <td>2,850</td> <td>14,250</td> <td>46</td> <td>300</td> <td>717</td> <td>3,600</td> <td>246</td> <td>1,300</td> <td>1,025</td> <td>5,200</td> <td>355</td> <td>1,800</td> <td>5,239</td> <td>26,500</td> </tr> <tr> <td>4</td> <td>PCC Overlay inside underpass (ADA Compliance)</td> <td>SY</td> <td>60.00</td> <td>210</td> <td>12,600</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>210</td> <td>12,600</td> </tr> <tr> <td>5</td> <td>PCC Endwalls with Pipe Railing at top</td> <td>EA</td> <td>52,000.00</td> <td>2</td> <td>104,000</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>2</td> <td>104,000</td> </tr> <tr> <td>6</td> <td>Storm Sewer for Pedestrian Underpass (based on Oct. 2008 design)</td> <td>LS</td> <td>31,000.00</td> <td>1</td> <td>31,000</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>1</td> <td>31,000</td> </tr> <tr> <td>7</td> <td>Drainage (Mistakes in Piping)</td> <td>LS</td> <td>20.00</td> <td>-</td> <td>30</td> <td>4,500</td> <td>200</td> <td>30,000</td> <td>45</td> <td>6,800</td> <td>60</td> <td>9,000</td> <td>100</td> <td>15,000</td> <td>435</td> <td>68,300</td> </tr> <tr> <td>8</td> <td>Guardrail</td> <td>LF</td> <td>28.00</td> <td>200</td> <td>5,600</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>200</td> <td>5,600</td> </tr> <tr> <td>9</td> <td>Anti-Graffiti Coating</td> <td>LS</td> <td>12,000.00</td> <td>1</td> <td>12,000</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>1</td> <td>12,000</td> </tr> <tr> <td>10</td> <td>Underpass Lighting System</td> <td>LS</td> <td>35,000.00</td> <td>1</td> <td>35,000</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>1</td> <td>35,000</td> </tr> <tr> <td>11</td> <td>Trail Signage (10)</td> <td>LF</td> <td>475.00</td> <td>475</td> <td>227,500</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>475</td> <td>227,500</td> </tr> <tr> <td>12</td> <td>Modular Blocks Retaining Wall (Assume a “3’-4” wall height average)</td> <td>SF</td> <td>45.00</td> <td>-</td> <td>-</td> <td>6,000</td> <td>270,000</td> <td>-</td> <td>-</td> <td>5,000</td> <td>225,000</td> <td>2,400</td> <td>108,000</td> <td>13,400</td> <td>603,000</td> </tr> <tr> <td>13</td> <td>Poured Concrete Retaining Wall (Assume an 8’-6” max height)</td> <td>CY</td> <td>90.00</td> <td>49</td> <td>4,410</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>49</td> <td>4,410</td> </tr> <tr> <td>14</td> <td>PCC Trail, 10’ Wide, 6” Thickness</td> <td>SY</td> <td>49.00</td> <td>222</td> <td>10,889</td> <td>139</td> <td>6,900</td> <td>1,667</td> <td>81,700</td> <td>778</td> <td>38,200</td> <td>1,111</td> <td>54,500</td> <td>667</td> <td>32,700</td> <td>4,583</td> <td>224,889</td> </tr> <tr> <td>15</td> <td>PCC Trail Aggregate Base & Subgrade Prep, 4” Thickness</td> <td>SY</td> <td>10.00</td> <td>5</td> <td>50</td> <td>167</td> <td>1,700</td> <td>2,000</td> <td>20,000</td> <td>933</td> <td>9,400</td> <td>1,333</td> <td>15,400</td> <td>800</td> <td>8,000</td> <td>5,233</td> <td>52,500</td> </tr> <tr> <td>16</td> <td>Lighting (10)</td> <td>LS</td> <td>175.00</td> <td>1</td> <td>175</td> <td>4,000</td> <td>1,000</td> <td>5,000</td> <td>1,000</td> <td>5,000</td> <td>1,000</td> <td>5,000</td> <td>1,000</td> <td>5,000</td> <td>1,000</td> <td>5,000</td> <td>31,000</td> </tr> <tr> <td>17</td> <td>Traffic Control (39)</td> <td>LS</td> <td>2.00</td> <td>5</td> <td>8,000</td> <td>1,000</td> <td>9,000</td> <td>2,000</td> <td>7,000</td> <td>4,000</td> <td>1</td> <td>31,000</td> </tr> <tr> <td>18</td> <td>Mobilization (8%)</td> <td>LS</td> <td>8%</td> <td>5</td> <td>31,000</td> <td>2,000</td> <td>35,000</td> <td>5,000</td> <td>26,000</td> <td>14,000</td> <td>1</td> <td>113,000</td> </tr> <tr> <td colspan="2">ESTIMATED CONSTRUCTION SUBTOTAL</td> <td></td> <td></td> <td>412,289</td> <td>$ 17,400</td> <td>472,100</td> <td>$ 64,200</td> <td>345,900</td> <td>$ 186,100</td> <td>1,498,689</td> </tr> <tr> <td colspan="2">Contingency 20%</td> <td></td> <td></td> <td>82,500</td> <td>$ 3,500</td> <td>94,500</td> <td>$ 13,000</td> <td>69,200</td> <td>$ 37,300</td> <td>300,000</td> </tr> <tr> <td colspan="2">Inflation 5% per year</td> <td></td> <td></td> <td>24,800</td> <td>$ 1,100</td> <td>28,400</td> <td>$ 3,900</td> <td>20,800</td> <td>$ 11,200</td> <td>90,200</td> </tr> <tr> <td colspan="2">ESTIMATED CONSTRUCTION COST (2026)</td> <td></td> <td></td> <td>519,589</td> <td>$ 22,000</td> <td>595,000</td> <td>$ 81,800</td> <td>435,900</td> <td>$ 234,600</td> <td>1,888,889</td> </tr> <tr> <td colspan="2">Estimated Grant/Loan Administration</td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> </tr> <tr> <td colspan="2">Estimated Legal Fees</td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> </tr> <tr> <td colspan="2">Estimated Property Acquisition</td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> </tr> <tr> <td colspan="2">Estimated Design Engineering 10%</td> <td></td> <td></td> <td>52,000</td> <td>$ 2,200</td> <td>59,500</td> <td>$ 8,200</td> <td>43,600</td> <td>$ 23,500</td> <td>189,000</td> </tr> <tr> <td colspan="2">Estimated Construction Engineering 10%</td> <td></td> <td></td> <td>52,000</td> <td>$ 2,200</td> <td>59,500</td> <td>$ 8,200</td> <td>43,600</td> <td>$ 23,500</td> <td>189,000</td> </tr> <tr> <td colspan="2">TOTAL ESTIMATED PROJECT COST:</td> <td></td> <td></td> <td>624,000</td> <td>$ 27,000</td> <td>714,000</td> <td>$ 99,000</td> <td>524,000</td> <td>$ 282,000</td> <td>2,267,000</td> </tr> </table> Disclaimer & Assumptions 1. This opinion of probable cost is approximate. Actual construction costs may vary significantly from this opinion due to timing of bids, contractual schedule restraints, labor rate increases, material increases, or other factors beyond the control of the engineer. 2. Estimates are estimations only. Compensation will be adjusted as needed during negotiations. 3. No street lighting or traffic signalization costs included. 4. A concrete trail will be 8’ wide, 6” thick. 5. Proposed end Section and Headwall will be 41’ long on each side 6. Total length is 157’