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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />that oftentimes accumulate in great quantities in the open canal from winds and other <br />sources. <br /> <br />PROJECT COST <br /> <br />Based on the early feasibility-level engineering design work developed for the project in <br />March 2005, ranges in total construction costs were estimated for each of several proposed <br />replacement siphon pipeline alternatives and presented to the High Line Canal Company for <br />review and evaluation. These cost comparisons are presented in Table 1. The lowest <br />engineering cost estimate was based on a RCP replacement siphon pipeline system. During <br />the following project work, an opinion of probable cost estimate for the proposed <br />installation of the selected replacement 72-inch diameter RCP siphon pipeline alternative <br />and appurtenances, including other site facilities, was developed and is presented in Table 2. <br /> <br />The Opinion of Probable Costs for the Smith Arroyo Replacement Siphon Pipeline <br />Project includes overburden soils and rock excavation and sediment removal in Smith <br />Arroyo, the removal and demolition of the existing concrete-encased wood stave pipeline <br />and appurtenances, the installation of new 6-foot diameter RCP pipe, and the installation <br />of an automated trash rack screen system with two fIxed adjacent bar trash screens. The <br />automated trash screen will also be equipped with power to operate the facility. Proposed <br />staff gages for monitoring water levels in the canal at the upstream inlet structure and <br />downstream outlet structure are also included. <br /> <br />Unit cost information was obtained from local sources and rural Colorado costs in the <br />region for project cost estimating purposes. The Opinion of Probable Cost information <br />below is based on January 2005 cost data. <br /> <br />Construction Engineering <br />Cost Cost <br />$350,000 $55,000 <br /> <br />Constuction Construction <br />Engineering Cost Cost Contingency <br />$30,000 $70,000 <br /> <br />Estimated <br />Total Cost <br />$505,000 <br /> <br />The total estimated construction cost is $350,000. The estimated project final design <br />engineering cost is $55,000 and the construction engineering cost is $30,000. An <br />estimated construction contingency cost is $70,000. The total estimated project cost <br />is $505,000. <br /> <br />1- ~ S-O, Dc-"O <br /> <br />5:5, ()oe> <br /> <br />SO I (JOO <br />7() ( 000 <br /> <br />- <br /> <br />1>50~OOD <br />/ <br />