Geotechnical Section Foundation Investigation for Structure Design No. FI2169-Pole Barn Building Job No. R35G Route 67, Butler County

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1 MEMORANDUM Construction - Materials Central Laboratory TO: CC/ATT: FROM: Paul Huskey-se/gs Joe Crader-se/ma Sr. Geotechnical Specialist DATE: April 22, 214 SUBJECT: Materials Geotechnical Section Foundation Investigation for Structure Design No. FI2169-Pole Barn Building Job No. R3G Route 67, County General A field investigation was conducted for a proposed Pole Barn Building at Poplar Bluff Maintenance Shed, County, MO. The proposed building location was staked and surveyed by district personnel. Attached are logs of borings for the above noted structure. The layout of the boreholes for the proposed Pole Barn Building is shown in Figure 1. Based on the exploratory borings taken at the four corners of the proposed Pole Barn Building, the top stratum mainly consists of lean clay to a depth of about 2. feet, which is underlain by fat clay scattered gravel and sand to depths ranging from 13.8 feet to the maximum depth explored 16. feet. Recommendations Shallow foundation should bear at least 1. feet below finish grade for frost protection. Shallow foundations that bear at least 1. feet below finish grade can be designed using an allowable bearing of 2. ksf. If unsuitable foundation soil (soft soil) is encountered during excavation, it should be excavated to stiff or better soil/ rock or a maximum of 4 feet, whichever is less, and replaced with engineered fill soil/ or granular material as recommended by the resident engineer. cs j:\sublec\easaw\se\fi2169 pole barn ltr.doc Attachments Our mission is to provide a world-class transportation experience that delights our customers and promotes a prosperous Missouri.

2 POPLAR BLUFF POLE BARN SOUTHEAST DISTRICT R3G-FI NW!. MID!.!.!.!. SW NE SE 67 Outer Road 437 Outer Road 67 USW TO US67N BU SCALE 1:12 j:\sg\workfiles\projectfiles\fi2169\layout BU 67 FIGURE-1

3 Job No.: R3G-FI2169 Station: SE : 1.3 Easting: Northing: Date of Work: 4/16/14-4/16/14 to Water: 7 Hole Open: 7 BORING NO. O Time Change: hours -.2' ASPHALT.2-.6' Brown, LEAN CLAY, very stiff, moist.6-2.1' GRAVEL, fine grained 1 (N ) ' Light reddish brown, FAT CLAY, stiff, moist (13) PP = 2. tsf MC = 27.7% sat = 122 pcf (1) ' Light reddish brown, FAT CLAY scattered gravel, stiff to hard, moist to wet 4-2- (4) PP = 1.7 tsf LETTER BOREHOLE - R3G-S219.GPJ - 4/22/14 1:13 - J:\SG\GINT\PROJECT FILES\R3G-FI2169.GPJ ' Reddish brown, FAT CLAY scattered fine sand, hard to very stiff, wet Bottom of borehole at 16. feet (22) (17) (3) N = (Em/)Nm N - Corrected N value for standard % SPT efficiency; Em - Measured hammer efficiency in percent; Nm - Observed N-value (24) PP = 3. tsf Coordinate Zone: Missouri East Coordinate Proj. Factor: 1.

4 Job No.: R3G-FI2169 Station: NE : 9.6 Easting: Northing: Date of Work: 4/16/14-4/16/14 to Water: Hole Open: Time Change: BORING NO. O ' ASPHALT.1-2.' Brown, LEAN CLAY with gravel, stiff, moist (N ) 2.-.1' Light reddish brown, FAT CLAY, very stiff, moist (17) PP = 3. tsf.1-12.' Reddish brown, FAT CLAY scattered gravel, hard to very stiff, moist (22) LETTER BOREHOLE - R3G-S219.GPJ - 4/22/14 1:13 - J:\SG\GINT\PROJECT FILES\R3G-FI2169.GPJ ' Reddish brown, FAT CLAY with fine sand, hard, moist ' Sandstone, light brown, highly weathered, with chert limestone Bottom of borehole at 16.4 feet (4) (26) (39) /.4' N = (Em/)Nm N - Corrected N value for standard % SPT efficiency; Em - Measured hammer efficiency in percent; Nm - Observed N-value PP = 4. tsf PP = 3.2 tsf PP = 4. tsf Coordinate Zone: Missouri East Coordinate Proj. Factor: 1.

5 Job No.: R3G-FI2169 Station: Middle : 9.7 Easting: Northing: Date of Work: 4/16/14-4/16/14 to Water: Hole Open: Time Change: BORING NO. O ' ASPHALT.3-1.2' Brown, SANDY GRAVEL, moist (N ) ' Brown, LEAN CLAY scattered gravel, very stiff, moist /.4' PP = 3.2 tsf ' BOULDERS ' Reddish brown, FAT CLAY scattered gravel, hard, moist (41) ' Reddish brown, SILTY FAT CLAY scattered gravel & sand, hard, moist LETTER BOREHOLE - R3G-S219.GPJ - 4/22/14 1:13 - J:\SG\GINT\PROJECT FILES\R3G-FI2169.GPJ ' Reddish brown, FAT CLAY with fine sand, very stiff, moist -16.' Reddish brown, FAT CLAY with gravel, hard, moist Bottom of borehole at 16. feet (3) (28) (33) (43) N = (Em/)Nm N - Corrected N value for standard % SPT efficiency; Em - Measured hammer efficiency in percent; Nm - Observed N-value PP = 4. tsf PP = 4. tsf PP = 3.7 tsf Coordinate Zone: Missouri East Coordinate Proj. Factor: 1.

6 Job No.: R3G-FI2169 Station: NW : 9.3 Easting: Northing: Date of Work: 4/17/14-4/17/14 to Water: Hole Open: Time Change: BORING NO. O ' GRAVEL.3-2.2' Brown, LEAN CLAY trace gravel, very stiff, moist (N ) ' Brown, LEAN CLAY scattered gravel, very stiff, moist 18-44/.3' PP = 2. tsf ' Reddish brown, FAT CLAY scattered gravel & sand, hard, moist (37) 6.3-1' Reddish brown, FAT CLAY with fine sand, trace gravel, very stiff to stiff, moist LETTER BOREHOLE - R3G-S219.GPJ - 4/22/14 1:13 - J:\SG\GINT\PROJECT FILES\R3G-FI2169.GPJ ' Reddish brown, FAT CLAY scattered fine sand, trace gravel, hard, moist Bottom of borehole at 16. feet (2) (2) (23) (36) N = (Em/)Nm N - Corrected N value for standard % SPT efficiency; Em - Measured hammer efficiency in percent; Nm - Observed N-value PP = 3. tsf PP = 4. tsf PP = 1. tsf PP = 3. tsf Coordinate Zone: Missouri East Coordinate Proj. Factor: 1. MC =.6% sat = 136 pcf (1)

7 Job No.: R3G-FI2169 Station: SW : 9. Easting: Northing: Date of Work: 4/17/14-4/17/14 to Water: Hole Open: Time Change: BORING NO. O ' GRAVEL.2-2.1' Brown, LEAN CLAY scattered gravel, very stiff, moist (N ) ' Reddish brown, FAT CLAY trace gravel & sand, very stiff to stiff, moist (3) -7-8 (17) PP = 3. tsf LETTER BOREHOLE - R3G-S219.GPJ - 4/22/14 1:13 - J:\SG\GINT\PROJECT FILES\R3G-FI2169.GPJ ' Reddish brown, FAT CLAY scattered gravel & sand, very stiff, moist Bottom of borehole at 16. feet (24) -6-9 (17) 4-8- () (4) N = (Em/)Nm N - Corrected N value for standard % SPT efficiency; Em - Measured hammer efficiency in percent; Nm - Observed N-value PP = 1.2 tsf PP = 1. tsf PP = 2.2 tsf PP = 3. tsf Coordinate Zone: Missouri East Coordinate Proj. Factor: 1. MC = 21.4% sat = 129 pcf (1)

8 CLIENT MoDOT Southeast District PROJECT NUMBER 1617 Mo. Blvd. Jefferson City, Mo. 619 R3G-FI2169 LITHOLOGIC SYMBOLS (Unified Soil Classification System) ASPHALT: Asphalt PROJECT NAME Poplar Bluff Pole Barn PROJECT LOCATION SAMPLER SYMBOLS Split-Spoon Sampler KEY TO SYMBOLS BLDRCBBL: Boulders and cobbles CH: USCS High Plasticity Clay CHS: USCS High Plasticity Sandy Clay CL: USCS Low Plasticity Clay CLG: USCS Low Plasticity Gravelly Clay GP: USCS Poorly-graded Gravel GP-GM: USCS Poorly-graded Gravel with Silt WELL CONSTRUCTION SYMBOLS SANDSTONE: Sandstone KEY TO SYMBOLS - MISSOURI DOT.GDT - 4/22/14 1: - J:\SG\GINT\PROJECT FILES\R3G-FI2169.GPJ LL PI W DD NP -2 PP - LIQUID LIMIT (%) - PLASTIC INDEX (%) - MOISTURE CONTENT (%) - DRY DENSITY (PCF) - NON PLASTIC - PERCENT PASSING NO. 2 SIEVE - POCKET PENETROMETER (TSF) ABBREVIATIONS TV PID UC ppm - TORVANE - PHOTOIONIZATION DETECTOR - UNCONFINED COMPRESSION - PARTS PER MILLION Water Level at Time of Drilling Water Level at End of Drilling Water Level after Drilling