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<br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />~ <br />t <br />, <br />) <br />I <br />. <br /> <br />WESTERN TUNNEL <br /> <br />12. TEMPORARY RAIL WEST <br /> <br />All equipment, labor, and materials required to install and remove approximately 3,000 lineal feet of temporary <br />rail extending from Station 83 +06 to Station 113 +06. The work includes all ties, rails, temporary blocking, and <br />shims necessary for a complete installation. <br /> <br />This item shall be paid for on a per lineal foot of tunnel basis installed and accepted by the Engineer. <br /> <br />13. BRACE SQUARE TIMBER SECTIONS INTERIM SUPPORT <br /> <br />All equipment, labor, and materials to brace approximately 89 iineal feet of existing square timber support with <br />internal steel sets. The work will include furnishing and installing approximately 23 steel sets with associated <br />channel steel, bolts, and other hardware. The work is in two sections as follows: <br /> <br />Station 83 + 34 to 83 + 86 <br />Station 95 + 16 to 95 + 53 <br /> <br />This item shall be paid for on a per lineal foot of tunnel basis for interim steel sets and accessories installed and <br />accepted by the Engineer. <br /> <br />14. BRACE TIMBER BARREL SECTION INTERIM SUPPORT <br /> <br />All equipment, labor, and materials to brace approximately 50 lineal feet of existing timber barrel lined tunnel <br />from approximately Station 82 + 84 to 83 + 34 with channel steel. The work includes furnishing and il1Stalling <br />approximately 11 circular channel steel sets with associated bolts, anchor bolts, and other hardware. <br /> <br />This item shail be paid for on a per lineal foot of tunnei basis for sections of the barrel lined tunnel braced and <br />accepted by the Engineer. <br /> <br />15. REMINE DECAYED TIMBER SECTION AND INSTALL INTERIM STEEL RIB SUPPORT <br /> <br />All equipment, labor, and materials to remove existing timber support and remine 37 linear feet of tunnel from <br />approximately Station 102 +09 To Station 102 +51. The work includes providing and installing approximately <br />eight steei ribs with all required spiling, lagging, cribbing, clamps, foot blocks, tie rods, and all accessories. <br /> <br />This item shall be paid for on a per lineal foot of tunnei basis for steel ribs and ail accessories installed and <br />accepted by the Engineer. <br /> <br />PHASE 2 WORK <br /> <br />EASTERN TUNNEL <br /> <br />16. STEEL PIPE LINER <br /> <br />All equipment, labor, and materials to install approximately 281 lineai feet of 5.3' diameter steel pipe final liner. <br />The pipe will be installed in 6 sections as idel1tified beiow: <br /> <br />Station 4 + 81 to 5 +04 <br />Station 6 + 25 to 6 + 73 <br />Station 9+13 to 10+41 <br />Station 14+26 to 14+51 <br /> <br />10/00 <br /> <br />Section 01025 - Page 5 of 7 <br /> <br />