HomeMy WebLinkAboutGRANITE VIEW Block 5 Lots 1, 2, 3 & 4 September 22, 1976 R & M No. 656303 James McCoy P.O. Box 3-4024 ~uxchorage, Alaska 99501 Test Hole and Soil Log Report for Sanitary System Granite View Subdivision, Block 5, Lots 1, 2, 3 and 4, Section 9, T12N, R3W, Anchorage, Alaska Dear Mr. McCoy: We are submitting herewith the test boring results and our comments regarding soil conditions encountered aL the subject site. This in- vestigation was performed in accordance with your request of September 15, 1976, and those procedures outlined in a letter dated July.15, 1975~ by · Mr. Rotf Strickland of the Muncipality of Anchorage Department of Environmental Quality. Four test holes were put down within the subject site area for the purpose of defining general subsurface soil conditions for the proposed sanitary systems. Excavation was accomplished with an auger type drilling rig. Test Hole 1 was extended to a total depth of 16 feet; Test Hole 2 to 19 feet; Test Hole 3 to 19 feet; and Test Hole 4 to 18 feet. The final logs prepared for the test holes have been included in Drawings A-02 & A-03. Groundwater was not encountered in any of the test holes while drilling. A percolation test was performed in each test hole from a depth indicated and reflects average infiltration from that depth to the bottom of the hole. We appreciate being given this opportunity to be of service to you. Should you have any questions with regard to the above, please do not hesitate to contact us. Very truly yours, R & M CONSULTANTS, INC. Vice President JWR/sc xc: Municipality of Anchor Lot 6 88th Street Lot 4 Lot 2 Lot 1 TEST HOLE LOCA']?IONS JA~4ES HcCOY - GP~NITE VIEW SUBDIVISION, ANCHOkRGE, AK I_PROJ. NO 656303 T.H. 1 9-21-76 ORGANIC b~TERIAL .4).0 -1.0 SILTY SAND W/SOME G~VEL -- 3.5 SAND W/SOME GRAVEL AND SOME SILT d.5 GRAVELLY SAND W/SOME SILT Boulder at 6' -6.0 SAND W/SOME GRAVEL, SOME SILT Occasional Cobbles 10.0' GRAVELLY SAND W/SOME SILT 13.0' SAND W/SOME GRAVEL & SOME SILT Boulder at 14' -- 14.0' SILTY SAND W/TRACE GRAVEL 15.0' GRAVELLY SAND W/SOME SILT 16.0' T.D. NO WATER TABLE Auger Refusal on Boulder at 16' T.H. 2 9-21-76 ORGANIC b~TERIAL 0.0' 2.0~ SANDY SILT W/TRACE GPAVEL 10.0' SILTY SAND W/SOME GRAVEL Occasional Cobbles 11.5' SAND W/SOME SILT AND TRACE GRAVEL 15.0' GRAVELLY SAND W/SOME SILT NO WATER TABLE 19.0' T.D. [LOG OF TEST HOLES PRO J. N~O 656303 T.H. 3 9-21-76 ORGANIC MATERIAL SILT W/SOME SAND 2.0~ SILT W/SOME SAND AND TRACE GRAVEL SAND W/SOME SILT, TRACE GRAVEL -- 9.5' SILTY SAND W/SOME GRAVEL --'11.0' SAND W/SOME SILT, TRACE GARVEL --12.0' SILT W/SOME SAND -- 14.5' SILT W/SOME SAND, TRACE GRAVEL NO WATER TABLE 19.0' T.D. T.}I. 4 9-21-76 ORGANIC ~TERIAL SILT W/SOME SAND SILT W/SOME G~AVEL, SOME SAND GRAVEL W/SOME SAND AND SOME SILT GRADING INTO GRAVEL W/SOME SAND AND TRACE SILT 0.0I 2.0I --- 7.5' SANDY GRAVEL W/SOME SILT 9o5I GRAVELLY SAND W/SOME SILT 10.5' SANDY GRAVEL W/SOME SILT Boulder at 12.0' 11.5' SILT W/SOPS: SAND AND TRACE GRAVEL SILT W/SOME SAND AND SOME GRAVEL SILT W/SOME SAND NO WATER TABLE 16.0' 17.0' 18.0' ToD. C~V<~g!~F ~~~M i~.~ ]][ LOG OF TEST HOLES ] [~ : SMH OTMSULTANTS, INC. ~=~2-76.111................................... JAMESsuBDiViSioN,MCCOY -ANCHO~AGE,G~MITE VIEWAK 1tPROd'N0 656303 TIME 1:46 i:47 1:48 1:49 1:50 1:51 1:52 1:53 1:54 1:55 1.:56 2:01 2:06 2:11 2:16 2:26 2:36 2:46 PERCOLATION TEST G931NiTE VIEW SUBDIVISION BLOCK 5, LOT 1 ELAPSED TI~ t 2 3 4 5 6 7 8 9 10 15 20 25 30 4O 5O 60 INCHES 11.25 13.25 14.75 16.5 18.0 19 5 20 5 21 75 22 75 24 0 24 75 27 75 30.0 30.75 32.25 34.5 36.25 39.0 T.H. 1 656303 DROP IN INCHES 2.0 1.5 1.75 1.5 1.5 lm0 1.25 1.0 1.25 0.75 3.0 2.25 0.75 1 5 2 25 1 75 2 75 28 75" total drop 2 09 minutes/inch PERCOLATION TEST GRANITE VIEW SUBDIVISION BLOCK 5, LOT 2 Et~%PSED TIME, TIME INCHES 2:50 17.0 2:51 1 17.0 2:52 2 17.0 2:53 3 17.0 2:54 4 17.0 2:55 5 17.0 2:56 6 17.25 2:57 7 17.25 2:58 8 17.5 2:59 9 17.5 3:00 10 17.5 3:05 15 17.5 3:10 20 17.5 3:20 30 17.5 3:30 40 17.75 3:40 50 17.75 3:50 60 18.0 T.H. 2 656303 DROP IN INCHES 0 0 0 0 0 0.25 0 0.25 0 0 0 0 0 0.25 0 0.25 1" total drop 60 minutes/inch PERCOLATION TEST GRANITE VIEW SU~DIVISION BLOCK 5, LOT 4 T.H. 3 656303 ELAPSED TIME TIME INCHES 12:14 9.0 12:15 t 9.25 12:16 2 9,5 12:17 3 9.75 12:18 4 10.5 12:19 5 10,75 12:20 6 11,0 12:21 7 11,0 12:22 8 11,25 12:23 9 11,5 12:24 10 11.75 12:29 1.5 13,0 12:34 20 14,0 12:39 25 14,5 12:44 30 15,25 12:54 40 16,25 1:04 50 17,0 1:14 60 17,5 DROP IN INCHES 0,25 0.25 0,25 0,75 0,25 0.25 0 O,25 0,25 0,25 1,25 1,0 0,5 0,75 1,0 0,75 0.5 8,5" Total Drop 7,06 minutes/inch PERCOLATION TEST GP~NITE VIEW SUBDIVISION BL©CK 5, LOT 6 · T.H. 4 656303 ELAPSED TIP~E TItlE INCHES 10:56 12.0 10:57 1 16.25 10:58 2 19.75 10:59 3 22.5 11:00 4 25.0 11:01 5 27.75 11:02 6 29.25 11:03 7 31.5 11:04 8 33.25 11:05 9 34.0 11:06 10 35.25 11:11 15 40.0 11:16 20 42.5 11:21 25 44.25 1~:26 30 45.25 11:36 40 47.25 11:46 50 48.5 11:56 60 49.5 DRoP IN INCHES 4.25 2.5 2.75 2.5 2.75 1.5 2.25 1.75 0.75 ]..25 4.75 2.5 1.75 1.0 2.0 1.25 1.0 37.5" total drop 1.6 minutes/inch