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Greenbelt East Trail -Sector 2 One (NASA/Goddard)
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Notional Cost Estimates
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Two-Way Protected Bike Lane On One Side of Roadway
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LengthLinear Feet7,920
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LengthMiles1.5
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IntersectionsEach2
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Intersection Width (Avg)Linear Feet40
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Construction
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FrequencyNumberUnit CostTotal Cost
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Flexposts16'49550$24,750
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8'x12"x8" Truck Curbstops16'495500$247,500
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Trail Centerline White Paint$5,000
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Green Pavement Markings at Intersections
$7,500
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R4-4 (Right Turn Yield to Bikes)
36" x 30"3400$1,000
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Subtotal, Minimal Construction Option
$285,750
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Optional:
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Raised Trail Crossing at Bus Stops
310,000$30,000
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Curb Extensions/Squaring Slip Lanes
220,000$40,000
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Total, Full Construction Option
$355,750
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Mobilization
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Construction x .1$28,575$35,575
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Contingency
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Construction x .1$28,575$35,575
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Design and Permitting
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Construction x .25$71,438$88,938
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Preliminary Site Investigation
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Design x .1$7,144$8,894
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NOTE SHA MAY DO THIS IN HOUSE
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UNDER INNOVATIVE CONTRACTING DIV
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Project Total$421,481$524,731
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