Show Low bid on Stillwater Tunnel is million Bids were opened In Duchesne Dec 2 by the Bureau of Reclamation for or the five year contract to construct the Stillwater Tunnel The proposed eight mile Stillwater Tunnel connects the Rock flock Creek Drainage to the North Fork of the Duchesne River Drainage and is one section of the Strawberry Aqueduct Low bidder was Harrison Western and John A A. Cowper out of Denver for or The second low bidder was Traylor Brothers Inc Evansville Evan Evan- Illinois for The third lowest bid was from fromAl rom romAl Al Johnson o of Minneapolis Minnesota l for or The Bureau engineers engineer's estimate was TilE THE BIDS have been submitted submitted submitted sub sub- to Denver for or ad ad ministration and legal review If the low bid is satisfactory the contract will probably be awarded about th the middle of January A five year jear contract will be awarded Work will begin in the spring on excavating excavating ex ex- ex the inlet and outlet by drill and blast although it will take approximately one year for the contractor to obtain a tunnel boring machine The bids called for or construction construction con con- of about eight miles of tunnel The finished concrete concrete- lined sections will have an 8 foot Coot 6 inch diameter Contractors had three choices cast place cast place in-place concrete lining either drill and blast the entire length or drill and blast about one mile and machine excavating the remainder or drill and blast about one mile with cast ln place concrete lining with the remainder macl Machine ne excavated ted and with concrete segment lining The low bidder chose the third option with the concrete segment lining PROJECT specifications also required constructing the outlet structure open-cup open excavation at tunnel inlet and outlet portals portals por por- earthwork and nd surfacing for staging roadway and drainage area at the outlet portal and finishing and installing installing installing in in- stalling metalwork for the outlet structure The time for Cor completion from the date dale of receipt of notice to to proceed is 1825 days or approximately approximately approximately ap ap- ap- ap proximately five years THE NEXT major bid opening for Cor the Bureau of oC Reclamation is January 20 Corth for Cor forthe forthe th the Dam The dam will willbe willbe willbe be situated near Vernal and the estimated price range of oC the work is between 10 and 25 million The project includes earthwork earthwork ear ear- for Cor a zoned dam embankment approximately approximately approximately ap ap- ap proximately 1700 feet long at atthe atthe atthe the crest with a maximum height of approximately feet feel A spillway will be constructed constructed constructed con con- consisting of a 32 foot wide Inlet structure free flow crest chute and 25 foot wide stilling basin The Dam bid notice also calls for construction outlet works including Intake structure 7 foot diameter circular lined concrete-lined tunnel gate chamber horseshoe lined concrete-lined tunnel control house and stilling basin Also required are re a reinforced reinforced reinforced rein rein- forced encased concrete-encased 39 inch diameter steel pipe aqueduct and miscellaneous items including including including in in- access road boat ramp concrete spillway bridge campground facilities and electrical control system |