8/4/2019 1st Place & Galloway Street NE - Appendix F

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Appendix F: Construction Cost Estimate A preliminary construction cost estimate was developed for the preferred conceptual desi

were identified and rough quantity take‐offs were developed.  Unit costs were assigned ba

historical cost data from the District of  Columbia, DDOT and other sources.  It is assumed t

phase will be a separate construction contract.  Costs are based on 2010 dollars with a 20%

applied to total cost for each phase.  The estimate does not include further costs for engin

or acquisition of  any right‐of ‐way or easements.  As previously stated the estimate was br

anticipated design phases. A more detailed breakdown of  the cost estimate is located in th

tables. 

Physical Improvements 10% Concept Design Cost Estimates Summa

Section Tota

1st Place NE: Riggs Road to WMATA Property

WMATA Property $1

Galloway Street NE: WMATA Property to South Dakota Avenue

Wayfinding  Signs

$2,9

Note:‐This cost estimate is  a planning level estimate only. 

‐The WMATA Property Section could include additional $600k in optional plaza am

(see 'WMATA Property' estimate for more details)

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