ALBERTA TRANSPORTATION PEACE REGION (PEACE RIVER / HIGH LEVEL) INSTRUMENTATION MONITORING RESULTS
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1 ALBERTA TRANSPORTATION PEACE REGION (PEACE RIVER / HIGH LEVEL) INSTRUMENTATION MONITORING RESULTS SPRING 1 SECTION C SITE PH7-1: HWY 9:, DEADWOOD SLIDE 1. OBSERVATIONS 1.1 Field Program and Instrumentation Status Two slope inclinometers (SI15-1 and SI15-) were installed at the Hwy 9: Deadwood Slide site during construction in the fall of 15. The majority of construction work was completed by the end of November 15. The two SIs were read on June 1, 1 by Mr. Niraj Regmi, G.I.T. and Mr. Eddy Mar, E.I.T., both of Thurber Engineering Ltd. The SIs were read using a RST Digital Inclinometer probe with a ft. wheelbase and a RST Pocket PC readout. Inclinometer reading depths were defined as per cable markings with respect to the top of the inclinometer casings.. INTERPRETATION.1 General SI plots with A and B directions are presented in Section D and are summarized below. Where movement has been recorded, the resultant plot (X direction, if applicable) and a rate of movement have also been provided. 17 Roper Road, Edmonton, AB TB 3S5 T: F: thurber.ca
2 . Zones of Movement Zones of new movement were not observed in slope inclinometers SI15-1 and SI15- since the fall of 17 readings. Zones of movement are summarized in Table PH7-1-1 at the end of this report. This table also provides a historical account of the total movement, the depth of movement and the maximum rate of movement that has occurred at this site since the initialization of the slope inclinometers..3 Interpretation of Monitoring Results Slope inclinometer SI15-1 showed a rate of movement of. mm/yr over 5. m to 7. m depth since the fall of 17 readings. SI15- showed a rate of movement of 1. mm/yr over. m to 5. m depth since the fall of 17 readings. Historical groundwater levels recorded in the piezometers are summarized in Tables PH7-1- and PH7-1-3 at the end of this report. All piezometers at this site were damaged prior to or during construction. 3. RECOMMENDATIONS 3.1 Future Work The instruments should be read again during the fall of Instrumentation Repairs No instrumentation repairs are required at this time. Client: Alberta Transportation Date: August, 1 File: e-file: \\H\13351 rpt PH7-1 - Edm Page of
3 Date Monitored: June 1, 1 INSTRUMENT # SI15-1 SI15- DATE INITIALIZED October 1, 15 October 1, 15 TABLE PH7-1-1 SPRING 1 HWY 9: DEADWOOD SLIDE SLOPE INCLINOMETER INSTRUMENTATION READING SUMMARY TOTAL CUMULATIVE RESULTANT MOVEMENT AT NOTED DEPTH SINCE INITIAL READING (mm) 7.9 mm over 5. m to 7. m depth in 19 direction 5. mm over. m to 5. m depth in 15 direction MAXIMUM RATE OF MOVEMENT (mm/yr) 5 in October in October 15 CURRENT STATUS Operational Operational DATE OF PREVIOUS READING October 1, 17 October 1, 17 INCREMENTAL MOVEMENT SINCE PREVIOUS READING (mm) Drawing PH7-1-1 in Section D provides a sketch of the approximate locations of the monitoring instrumentation for this site. CURRENT RATE OF MOVEMENT (mm/yr) CHANGE IN RATE OF MOVEMENT SINCE PREVIOUS READING (mm/yr) Client: Alberta Transportation Date: August, 1 File: e-file: \\H\13351 rpt PH7-1 -Edm Page 3 of
4 INSTRUMENT # TABLE PH7-1- SPRING 1 HWY 9: DEADWOOD SLIDE STANDPIPE PIEZOMETER INSTRUMENTATION READING SUMMARY DATE INITIALIZED TIP DEPTH GROUND ELEV. SP1-1 November, CURRENT STATUS Blocked at 1.7 mbgs MAXIMUM GROUNDWATER LEVEL BGS. on November, on May 7, 11.3 on July 7, 11 GROUNDWATER LEVEL BGS.9 (Sept. 5, 13) SP1-3 November, Destroyed 1.9 (Oct. 1, 1) SP1-5 April 7, Damaged 1. (Sept. 17, 15) Drawing PH7-1-1 in Section D provides a sketch of the approximate locations of the monitoring instrumentation for this site. TABLE PH7-1-3 SPRING 1 HWY 9: DEADWOOD SLIDE VIBRATING WIRE PIEZOMETER INSTRUMENTATION READING SUMMARY INSTRUMENT DATE INITIALIZED TIP ELEV. GROUND ELEV. CURRENT STATUS MAXIMUM GROUNDWATER ELEVATION GROUNDWATER ELEVATION VW m on May 3, April 7, Destroyed (1D191) (1. mbgs) (May 3, 15) VW m on June, April 7, Destroyed (1D1917) (. mbgs) (June, 1) Drawing PH7-1-1 in Section D provides a sketch of the approximate locations of the monitoring instrumentation for this site. Client: Alberta Transportation Date: August, 1 File: e-file: \\H\13351 rpt PH7-1 -Edm Page of
5 ALBERTA TRANSPORTATION PEACE REGION (PEACE RIVER / HIGH LEVEL) INSTRUMENTATION MONITORING RESULTS SPRING 1 SECTION D DATA PRESENTATION SITE PH7-1: HWY 9:, DEADWOOD SLIDE
6 ALBERTA TRANSPORTATION PEACE REGION (PEACE RIVER / HIGH LEVEL) INSTRUMENTATION MONITORING FIELD SUMMARY (PH7-1) SPRING 1 Location: Deadwood Slide (HWY 9: C1.31) Readout: File Number: Extension: 3.3 Probe: RST Set 5R and R Temp: 1 Cable: RST Set 5R and R Read by: NKR/EM SLOPE INCLINOMETER (SI) READINGS SI# GPS Location Date Stickup from top Magn. North Current Bottom Remarks (UTM 11) of casing (ft) A+ Groove Readings Easting Northing A+ A- B+ B- SI Jun-1. 5 to SI Jun to * *USE DUMMY PROBE for next reading INSPECTOR REPORT
7 H:\13\13351 Geohazard Assessment - Peace RiverHigh Level (CON17)\Drafting\1\INST - SPRING\13351-PH7-1-1.dwg - Layout1 - Jul. 5, CREEK 57 5 EXTENT OF STOCKPILING (SEPT, 15) FRENCH DRAINS (TYP). (SEE DETAIL SHEET ) LIMIT OF TREE CLEARING SILT FENCE INSTALLED CLASS RIP RAP mm Ø C.SP. CULVERT SP1-3 (TH1-3) SI1-1 (TH1-) 9% SI15-1 SOIL COVERING MAT 5 5 CRACK AS OF SEPT, 15) VW1-1 VW1- SP1-5 SI15- DIP DOWNSLOPE SUBDRAIN (SEE DETAIL SHEET ) 53 SI1- (TH1-5) CRACK 55 5 SWALE LINED WITH TYPE "A" TEMPORARY RECP T T ACP PATCH SILT FENCE INSTALLED 5 USED NON-PERFORATED PIPE THROUGH CULVERT CLAY SEAL ZONE CLASS RIP RAP 5 HIGHWAY CREEK 53 W 5 51 SILT FENCE INSTALLED N S E 559 SP EXISTING CULVERT REMOVED NEW mm CULVERT INSTALLED (BF7371) Dunvegan Hines Creek PH7-1 Fairview Manning Peace River m SCALE 1: PEACE REGION (PEACE RIVER/ HIGH LEVEL) 1 LEGEND: 55 PH7-1: HWY 9: - DEADWOOD SLIDE INSTRUMENT LOCATIONS SI INSTRUMENT LOCATION INSTRUMENT NOT IN USE SLOPE INCLINOMETER SLOPE INCLINOMETER MOVEMENT DIRECTION DRAWN BY DESIGNED BY APPROVED BY SCALE DATE FILE No. ML BWN DWP 1: JULY DWG No PH7-1-1
8 Thurber Engineering Ltd LEGEND Initial 1 Oct 15 9 Oct Nov 15 1 Nov 15 May 1 Oct 1 1 Jun 17 1 Oct 17 1 Jun Ref. Elevation m Cumulative Deflection Direction A Incremental Deflection Direction A PH7-1 Deadwood Slide, Inclinometer SI15-1 Alberta Transportation H:\13\13351 Geohazard Assessment - Peace RiverHigh Level (CON17)\Instruments\Spring 1\SI Readings\PH 7\SI15-1.gtl
9 Thurber Engineering Ltd LEGEND Initial 1 Oct 15 9 Oct Nov 15 1 Nov 15 May 1 Oct 1 1 Jun 17 1 Oct 17 1 Jun Ref. Elevation m Cumulative Deflection Direction B Incremental Deflection Direction B PH7-1 Deadwood Slide, Inclinometer SI15-1 Alberta Transportation H:\13\13351 Geohazard Assessment - Peace RiverHigh Level (CON17)\Instruments\Spring 1\SI Readings\PH 7\SI15-1.gtl
10 Thurber Engineering Ltd. 1 Jan 1 1 Jul 1 1 Jan 17 1 Jul 17 1 Jan 1 1 Jul 1 7 Displacements shown are in the A Direction 7 5./7. m 5 5 Displ. (mm) Jan 1 1 Jul 1 1 Jan 17 1 Jul 17 1 Jan 1 1 Jul 1 PH7-1 Deadwood Slide, Inclinometer SI15-1 Alberta Transportation
11 Thurber Engineering Ltd LEGEND Initial 1 Oct 15 9 Oct Nov 15 1 Nov 15 May 1 Oct 1 1 Jun 17 1 Oct 17 1 Jun Ref. Elevation 51.3 m Cumulative Deflection Direction A Incremental Deflection Direction A PH7-1 Deadwood Slide, Inclinometer SI15- Alberta Transportation H:\13\13351 Geohazard Assessment - Peace RiverHigh Level (CON17)\Instruments\Spring 1\SI Readings\PH 7\SI15-.gtl
12 Thurber Engineering Ltd LEGEND Initial 1 Oct 15 9 Oct Nov 15 1 Nov 15 May 1 Oct 1 1 Jun 17 1 Oct 17 1 Jun Ref. Elevation 51.3 m Cumulative Deflection Direction B Incremental Deflection Direction B PH7-1 Deadwood Slide, Inclinometer SI15- Alberta Transportation H:\13\13351 Geohazard Assessment - Peace RiverHigh Level (CON17)\Instruments\Spring 1\SI Readings\PH 7\SI15-.gtl
13 Thurber Engineering Ltd LEGEND Initial 1 Oct 15 9 Oct Nov 15 1 Nov 15 May 1 Oct 1 1 Jun 17 1 Oct 17 1 Jun Ref. Elevation 51.3 m 1 1 skew = 31deg Cumulative Deflection Direction X Incremental Deflection Direction X PH7-1 Deadwood Slide, Inclinometer SI15- Alberta Transportation H:\13\13351 Geohazard Assessment - Peace RiverHigh Level (CON17)\Instruments\Spring 1\SI Readings\PH 7\SI15-.gtl
14 Thurber Engineering Ltd. 1 Jan 1 1 Jul 1 1 Jan 17 1 Jul 17 1 Jan 1 1 Jul 1 7 Displacements shown are in the X Direction (skew = 31 degrees) 7./5. m 5 5 Displ. (mm) Jan 1 1 Jul 1 1 Jan 17 1 Jul 17 1 Jan 1 1 Jul 1 PH7-1 Deadwood Slide, Inclinometer SI15- Alberta Transportation
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