_GENERAL DOCUMENTS - C1981017 ‎(185)‎

• Permit No: C1981017
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Name: Bid Documents ‎(IMP)‎
• Permit Index Doc Type: General Correspondence
• Media Type: D
• Archive: No

Task 217 - Terrace Sutgy Waste Pile $6,889.80
Division estimates 60 hours with a D8L dozer, at $114.83/hr.
Task 218 - Terrace Rock Tunnel Waste Pile $4,593.20
Division estimates 40 hours with a D8L dozer, at $114.83/hr.
Task 225 - Dozer support for road reclamation $47,359.91
Dozer must be available to push material, brought onto road surface by hydraulic excavator, over to
cut bank of road. Dozer would work approximately 50% of excavator hours. Excavator hours are
824.87. 50% would be 412.44 @ $114.83/hr.
Task 226 - Contour furrows on Mine #5 $341.60
Division estimates 8 hours with a D4B dozer, at $42.70/hr.
Task 227 - Rip Rap lining of Dutch Creek Diversion $192,424.05
Assume 25' channel, 7' deep, 1300' in length. 3.33 yds3 rip rap per lin. ft. of channel would require
4,329 yds3. Cost of rip rap, machine placed is $44.45/yd3.
Task 228 - Rip Rap lining of Coal Creek Reestablishment $83,343.75
Assume 20' wide channel, 6' deep, 750' in length. 2.5 yds3 rip rap per lin. ft. of channel would require
4,875 yds3. Cost of rip rap, machine placed is $44.45/yd3.
Task 229 - Fabric lining of Rock Tunnel Waste Pile Diversion $10,829.99
Assume 1.5' deep, triangular w/3:1 sideslopes. Wetted perimeter is 10'. Diversion length is 1,900'.
Area to be lined is 2,111.11 yds2. Fabric acquisition and installation cost is $5.13 yd2.
Task 230 - Rip rap lining of Rock Tunnel dewatering ditch $2,390.00
Assume 10' wide channel, 3' deep, 150' in length. .67 yds3 rip rap per lin. ft. of channel would require
100 yds3. Cost of rip rap, machine placed is 923.90/yd3.
Task 231 - Rip Rap lining of Old Refuse Pile Diversion and Downdrain $36,029.25
Assume 10' wide channel, 3' deep, 2,250' in length. .67 yds3 rip rap per lin. ft. of channel would require
1,507.5 yds3. Cost of rip rap, machine placed is $23.90/yd3.
Task 232 - Fabric lining of Old Refuse Pile contour ditches $13,680.00
Assume 1.5' deep, triangular w/3:1 sideslopes. Wetted perimeter is 10'. Diversion length is 2,400'.
Area to be lined is 2,666.67 yds2. Fabric acquisition and installation cost is $5.13 yd2.
Task 233 - Rip Rao lining and filter fabric for Sutey downdrain $5,048.94
Assume 8' top width, 4' depth, 300 lin. ft., completely filled in with rock. 177.78 yds3 @ $23.90/yd3.
Filter fabric over the 12' cross sectional area for 300 lin. ft., or 400 yds2. Cost of filter fabric is $2.00
/yd2. Rip rap = $4,248.94, Fabric = $800.00.