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Developing Guidelines for Integrating Safety and Cost-Effectiveness into Resurfacing, Restoration, and Rehabilitation (3R) Projects (2021) / Chapter Skim
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From page 123...
... A-1 Appendix A 3R Project Implementation Cost Estimation Procedures Procedures have been developed to estimate the cost of implementing a 3R project, including construction and right-of-way (ROW)
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From page 124...
... A-2 ο‚· 3 ft for rolling terrain ο‚· 4.5 ft for mountainous terrain The data needed for existing and proposed geometrics, including allowable values for which the procedure has been tested include: ο‚· Lane width (9, 10, 11, or 12 ft) ο‚· Shoulder width (0, 2, 4, 6, or 8 ft)
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From page 125...
... A-3 Resurfacing Width, Quantity, and Cost Next, the resurfacing width [see Equation (A-4)
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From page 126...
... A-4 Additional Base Width, Quantity, and Cost of Widened Traveled Way The additional base width for the widened traveled way [see Equation (A-14)
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From page 127...
... A-5 Shoulder Resurfacing Cost for Existing Roadway Next, the shoulder resurfacing width [see Equation (A-21)
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From page 130...
... A-8 Table A-1. Incidental Cost Percentages by Road Type for Nonfreeways Drainage EC TC Sign/PM Lighting Total Rural Two-Lane Undivided 0.9% 0.3% 8.0% 7.5% 0.0% 16.7% Rural Four-Lane Undivided 0.4% 0.1% 8.0% 5.0% 0.0% 13.5% Urban Two-Lane Undivided 0.8% 0.0% 8.0% 7.0% 0.0% 15.8% Urban Four-Lane Undivided 0.4% 0.0% 8.0% 5.5% 0.0% 13.9% Urban Four-Lane Divided 0.4% 0.0% 8.0% 5.0% 0.0% 13.4% πΌπ‘›π‘π‘–π‘‘π‘’π‘›π‘‘π‘Žπ‘™ πΆπ‘œπ‘ π‘‘π‘  $ π‘‡π‘œπ‘‘π‘Žπ‘™ πΌπ‘›π‘π‘–π‘‘π‘’π‘›π‘‘π‘Žπ‘™ π‘ƒπ‘’π‘Ÿπ‘π‘’π‘›π‘‘π‘Žπ‘”π‘’ π‘“π‘œπ‘Ÿ π‘…π‘œπ‘Žπ‘‘π‘‘π‘¦π‘π‘’ % 𝑀𝑖𝑙𝑙𝑖𝑛𝑔 πΆπ‘œπ‘ π‘‘ $ π‘…π‘’π‘ π‘’π‘Ÿπ‘“π‘Žπ‘π‘–π‘›π‘” πΆπ‘œπ‘ π‘‘ $ π‘†π‘’π‘Ÿπ‘“π‘Žπ‘π‘–π‘›π‘” πΆπ‘œπ‘ π‘‘ π‘“π‘œπ‘Ÿ π‘Šπ‘–π‘‘π‘’π‘›π‘’π‘‘ π‘‡π‘Ÿπ‘Žπ‘£π‘’π‘™π‘’π‘‘ π‘Šπ‘Žπ‘¦ $ π΄π‘‘π‘‘π‘–π‘‘π‘–π‘œπ‘›π‘Žπ‘™ π΅π‘Žπ‘ π‘’ πΆπ‘œπ‘ π‘‘ π‘“π‘œπ‘Ÿ π‘Šπ‘–π‘‘π‘’π‘›π‘’π‘‘ π‘‡π‘Ÿπ‘Žπ‘£π‘’π‘™π‘’π‘‘ π‘Šπ‘Žπ‘¦ $ π‘†β„Žπ‘œπ‘’π‘™π‘‘π‘’π‘Ÿ 𝑀𝑖𝑙𝑙𝑖𝑛𝑔 πΆπ‘œπ‘ π‘‘ $ π‘†β„Žπ‘œπ‘’π‘™π‘‘π‘’π‘Ÿ π‘…π‘’π‘ π‘’π‘Ÿπ‘“π‘Žπ‘π‘–π‘›π‘” πΆπ‘œπ‘ π‘‘ $ 𝑁𝑒𝑀 π‘†β„Žπ‘œπ‘’π‘™π‘‘π‘’π‘Ÿ π‘ƒπ‘Žπ‘£π‘’π‘šπ‘’π‘›π‘‘ πΆπ‘œπ‘ π‘‘ $ π‘†β„Žπ‘œπ‘’π‘™π‘‘π‘’π‘Ÿ π΅π‘Žπ‘ π‘’ πΆπ‘œπ‘ π‘‘ $ π‘ˆπ‘›π‘π‘Žπ‘£π‘’π‘‘ π‘†β„Žπ‘œπ‘’π‘™π‘‘π‘’π‘Ÿ πΆπ‘œπ‘ π‘‘ $ πΈπ‘šπ‘π‘Žπ‘›π‘˜π‘šπ‘’π‘›π‘‘ πΆπ‘œπ‘ π‘‘ $ (A-43)
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From page 131...
... A-9 π‘…π‘‚π‘Š πΆπ‘œπ‘ π‘‘ $ π‘…π‘‚π‘Š π‘„π‘’π‘Žπ‘›π‘‘π‘–π‘‘π‘¦ π‘Žπ‘π‘Ÿπ‘’ π‘…π‘‚π‘Š πΆπ‘œπ‘ π‘‘ π‘π‘’π‘Ÿ π‘Žπ‘π‘Ÿπ‘’ (A-49) Total Improvement Cost Lastly, the total cost [see Equation (A-50)
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From page 132...
... A-10 Table A-3. Right-of-Way Cost per Acre by Road Type ROW cost per acre Rural Two-Lane Undivided $5,000 Rural Four-Lane Undivided $5,000 Rural Four-Lane Divided $5,000 Urban Two-Lane Undivided $50,000 Urban Four-Lane Undivided $50,000 Urban Four-Lane Divided $50,000 The asphalt density assumed for quantity calculations is 115 tons/1500 ft3.
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From page 133...
... A-11 The data needed for existing and proposed geometrics, including allowable values for which the procedure has been tested include: ο‚· Lane width (10, 11, 12 or 13 ft) ο‚· Shoulder width – Paved (0 to 12 ft)
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From page 134...
... A-12 Resurfacing Width, Quantity, and Cost Next, the resurfacing width [see Equation (A-55)
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From page 135...
... A-13 π‘†π‘’π‘Ÿπ‘“π‘Žπ‘π‘–π‘›π‘” πΆπ‘œπ‘ π‘‘ π‘“π‘œπ‘Ÿ π‘Šπ‘–π‘‘π‘’π‘›π‘’π‘‘ π‘‡π‘Ÿπ‘Žπ‘£π‘’π‘™π‘’π‘‘ π‘Šπ‘Žπ‘¦, π‘Ÿπ‘–π‘”π‘–π‘‘ π‘π‘Žπ‘£π‘’π‘šπ‘’π‘›π‘‘ $ π‘†π‘’π‘Ÿπ‘“π‘Žπ‘π‘–π‘›π‘” π‘„π‘’π‘Žπ‘›π‘‘π‘–π‘‘π‘¦ 𝑦𝑑 π‘Ÿπ‘’π‘ π‘’π‘Ÿπ‘“π‘Žπ‘π‘–π‘›π‘” π‘π‘œπ‘ π‘‘ π‘π‘’π‘Ÿ 𝑦𝑑 (A-64) Additional Base Width, Quantity, and Cost of Widened Traveled Way The additional base width for the widened traveled way [see Equation (A-65)
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From page 136...
... A-14 π‘†β„Žπ‘œπ‘’π‘™π‘‘π‘’π‘Ÿ 𝑀𝑖𝑙𝑙𝑖𝑛𝑔 πΆπ‘œπ‘ π‘‘ $ π‘†β„Žπ‘œπ‘’π‘™π‘‘π‘’π‘Ÿ 𝑀𝑖𝑙𝑙𝑖𝑛𝑔 π‘„π‘’π‘Žπ‘›π‘‘π‘–π‘‘π‘¦ 𝑦𝑑 π‘ β„Žπ‘œπ‘’π‘™π‘‘π‘’π‘Ÿ π‘šπ‘–π‘™π‘™π‘–π‘›π‘” π‘π‘œπ‘ π‘‘ π‘π‘’π‘Ÿ 𝑦𝑑 (A-71) Shoulder Resurfacing Cost for Existing Roadway Next, the shoulder resurfacing width [see Equation (A-72)
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From page 138...
... A-16 If the existing slope and the improved slope are the same and Equation (A-86) is true, then the embankment quantity equals zero.
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From page 139...
... A-17 Median Barrier Cost If roadside or median barrier is added as part of the 3R project, the cost estimation tool calculates the cost [see Equation (A-91)
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From page 140...
... A-18 π·π‘–π‘ π‘‘π‘Žπ‘›π‘π‘’ π‘‘π‘œ π‘…π‘‚π‘Š 𝐿𝑖𝑛𝑒 π‘“π‘œπ‘Ÿ πΌπ‘šπ‘π‘Ÿπ‘œπ‘£π‘’π‘‘ π‘…π‘œπ‘Žπ‘‘π‘€π‘Žπ‘¦ πΌπ‘šπ‘π‘Ÿπ‘œπ‘£π‘’π‘‘ πΏπ‘Žπ‘›π‘’ π‘Šπ‘–π‘‘π‘‘β„Ž 𝑓𝑑 πΌπ‘šπ‘π‘Ÿπ‘œπ‘£π‘’π‘‘ π‘ƒπ‘Žπ‘£π‘’π‘‘ π‘†β„Žπ‘œπ‘’π‘™π‘‘π‘’π‘Ÿ π‘Šπ‘–π‘‘π‘‘β„Ž 𝑓𝑑 πΌπ‘šπ‘π‘Ÿπ‘œπ‘£π‘’π‘‘ π‘ˆπ‘›π‘π‘Žπ‘£π‘’π‘‘ π‘†β„Žπ‘œπ‘’π‘™π‘‘π‘’π‘Ÿ π‘Šπ‘–π‘‘π‘‘β„Ž 𝑓𝑑 πΈπ‘šπ‘π‘Žπ‘›π‘˜π‘šπ‘’π‘›π‘‘ π»π‘’π‘–π‘”β„Žπ‘‘ 𝑓𝑑 π‘†π‘™π‘œπ‘π‘’ π‘…π‘Žπ‘‘π‘–π‘œ π‘“π‘œπ‘Ÿ πΌπ‘šπ‘π‘Ÿπ‘œπ‘£π‘’π‘‘ π‘†π‘™π‘œπ‘π‘’ (A-95) Next, the right-of-way width [see Equation (A-96)
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From page 141...
... A-19 A.2.2 Cost Estimates for Stand-Alone Improvements There are other items that may be added with a 3R project. The stand-alone improvement cost estimation tool calculates the cost of increasing these additional items.
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From page 142...
... A-20 Addition of Inside and Outside Shoulder Rumble Strips π‘„π‘’π‘Žπ‘›π‘‘π‘–π‘‘π‘¦ π‘“π‘œπ‘Ÿ π‘…π‘’π‘šπ‘π‘™π‘’ π‘†π‘‘π‘Ÿπ‘–π‘π‘  𝐿𝐹 π‘…π‘œπ‘Žπ‘‘π‘€π‘Žπ‘¦ πΏπ‘’π‘›π‘”π‘‘β„Ž π‘šπ‘– βˆ— 2 𝑖𝑓 π‘π‘œπ‘‘β„Ž 𝑠𝑖𝑑𝑒𝑠 (A-101)
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From page 143...
... A-21 A.2.3 Unit Costs and Assumptions Table A-6 contains the unit costs used in the cost estimation procedures of Sections A.2.1 and A.2.2. Table A-6.
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