Trinity River Authority Of Texas
Trinity River Authority â Denton Creek Interceptor, Phase I The project scope includes, but is not limited to, the following major work items: 10, 320 LF of proposed 60- inch diameter gravity sewer pipe beginning at the existing TRA Henrietta Creek Interceptor and ending at a proposed manhole on the east side of I- 35W. Approximately 415 LF will be installed by hand tunneling in a 84- inch nominal tunnel liner plate. 610 LF 3- barrel inverted siphon of 24- inch, 24- inch, and 36- inch diameter barrels and a
Denton Creek Interceptor, Phase I 10, 320 linear feet of proposed 60- inch diameter gravity sewer pipe. Approximately 415 linear feet installed by hand tunneling in an 84- inch nominal tunnel liner plate. 610 linear feet of 3- barrel inverted siphon ( 24- inch, 24- inch, and 36- inch diameter barrels) and a 24- inch diameter air jumper pipe. Siphon tunneled under Elizabeth Creek within approximately 300 linear feet of 92- inch minimum inside diameter tunnel liner plate or a 92- inch outside diameter steel casing pipe. Siphon includes access manholes and knife gate valves with vaults. 400 linear feet of non- circular pipe with transition fittings. 14- foot diameter junction structure to connect to the existing 72- inch FRP Henrietta Creek Interceptor. 21 tee base manholes on the 60- inch gravity main with 5- foot diameter manhole risers. Installation of a non- contact open channel Doppler radar area velocity flow meter station. 85 linear feet of 8- inch and 12- inch gravity sewer pipe.
Bid Close Date:
