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HomeMy WebLinkAboutCT 76-03; LA COSTA VALE # 4 (LA COSTA LAND CO); RESULTS OF FIELD DENSITY TEST; 1977-05-24I , : t • •~-. , ' . , BENTON ENGINEERING. INC. APPLIED SOIL MECHANICS -FOUNDATIONS 6717 CONVOY COURT SAN DIEGO. CALIFORNIA 82111 PHILIP HENKING BENTON I"'US'DIENT • CIVIL IENGINlElEft La Costa Land Company 2100 Costa Del Mar Road Carlsbad, California 92008 May'24, 1977 • Subject: Project No. 74~5-2DF Results of Field Density Tests Taken In Street Subgrade -If-., an~ Base M,terjqls Gentlemen: TELEI"HONE (714) 565·18515 RECEIVED JUN 021977 CITY OF CARLSBAD Enllneerlng Department This is to report the results of field density tests taken in compacted subgrade and base materials in the street areas of La Costq Vale Unit Nos. 3 and 4 in Carlsbad, California. The tests were taken during the weekly periods indicated below: Test Number 2 to 25, inclusive 26 to 36, inclusive 37 to 46, inclusive 47 to 55, inclusive 56 to 67, inclusive Tests Taken in Subgrade Tests Taken in Base Material 1 fo 10, inclusive 11 to 41, inclusive 42 to 73, inclusive 74 to 109, inclusive 110 to 124, inclusive Week Ending March 26, 1977 April 2, 1977 April 9, 1977 Apri I 16, 1977 April 23, 1977 . April 30, 1977 April 9, 1977 April 16, 1977 April 23, 1977 April 30, 1977 May 3, 1977 (Date of last tests) Project No. 74-5-2DF La Costa Land Company • -2-, f..kJy 24, 1977 The approximate locations at which the tests were taken and the final test results are presented on pages 3 to 12, inclusive, under the "Table of Test Results. II The laboratory determinations of the maximum dry densities and optimum moisture contents of the major fill materials are p~esented on page 13, under the "Laboratory Test Results. II Some of the maximum dry densities shown in the IITable of Test Results" were combinations of these. Respectfully submitted, BENTON ENGINEERING, INC. R. C. Remer Reviewed by .. g~ S. H. Shu, Civil Engineer R.C. E. No. 19913 Distr: (2) Addressee (1) Attention: Mr. Burton C. Kramer (2) City of Carlsbad, Engineering Department (1) Rick Engineering Company, Carlsbad RC R/S HS/mr BENTON ENGINEERING, INC. <" Project No. 74-5-2DF e -4-• /'.kJy 24, 1977 La Costa Land Company TABLE OF TEST RESULTS, CONT. Maximum Approx-Field Dry Dry Test imate Moisture Density Density Percent No. Location 0/0 dry wt Ib/cu ft Ib/cu ft Compaction Remarks 21 Esfera St. 12.2 120.4 128.0 94.1 Sta.20+50 22 Esfera St. 12.5 107.1 114.9 93-.2 Sta. 15+50 23 Esfera St. 14.9 109.1 115.9 94.2 Sta. 10+50 24 Esfera St. 11.4 120.5 125.1 96.3 Sta.' 5+50 25 Esfera St. 13.4 115.1 125.1 92.0 Sta. 0+50 26 La Costa Ave. 22.2 102.4 109.0 93.9 Sta. 104+45 27 La Costa Ave. 19.7 104.7 109.0 96.0 Sta. 107+45 28 La Costa Ave. 17.5 110.8 118.6 93.4 Sta. 110+45 29 Venado St. 11.5 128.3 138.2 92.8 Sta. 4+00 30 Venado St. 10.2 114. 1 121.4 94.0 Sta. 10+00 31 Venado St. 11.8 112 .. 0 117.9 94.9 Sta. 17+00 32 Venado St. 8.8 115.9 121.4 95.5 Sta. 23+00 33 Venado St. 11.3 108.0 117.9 91.6 Sta. 7+00 34 La Costa Ave. 21.0 105.1 114.9 91.5 Sta. 113+50 35 La Costa Ave. 14.4 114.4 118.6 96.5 Sta. 116+50 36 La Costa Ave. 9.0 105.0 114.9 91.4 Sta. 119+50 37 Piragua St. 10.2 , 119.3 128.0 93.2 Sta. 39+00 38 Piragua St .. 9.2 112.7 117.9 95.6 Sta. 43+00 39 Pirogua St .. 13.5 110.7 121.4 91.1 Sta. 49+00 40 Piragua St. 8.6 112.0 117.9 95.0 Sta.55+10 BENTON ENGINEERING. INC. Project No. 74-5-2DF e -5-e f.kJy 24, 1977 La Costa Land Company TABLE OF TEST RESULTS, CONT. Maximum Approx-Field Dry Dry Test imate Moisture Density Density Percent f\Io. Location 0/0 dry wt Ib/cu ft Ib/cu ft Compaction Remarks 41 Piragua St. 6.9 117.9 121.4 97.1 Sta.59+00 42 Piragua St. 16.6 110.3 117.9 93.5 Sta. 10+70 43 Trigo Lane 12.2 108 .3 114.9 94.2 Sta. 7+50 44 Cabo Way 15.2 113.5 121.4 93.5 Sta. 0+90 45 Esfera St. 6.1 140.8 138.2 101.8 Sta. 36+50 46 Esfera St. 7.3 114.2 121.4 94.0 Sta.40+50 47 Casca Way 10.3 134.0 138.2 97.0 Sta. 1+30 48 iv1uslo Lane 7.8 124.6 138.2 90. 1 Sta. 6+30 49 _ Fosco St. 7.9 127.6 138.2 92.3 Sta. 10+50 50 Borla PI. 6.8 128.2 133.4 96.1 Sta. 1+00 51 Borla PI. 9.9 131.9 138.2 95.4 Sta. 4+00 52 Capra Ct. 9.4 115.7 128.0 90.4 Sta. 0+50 53 Capra Ct. 8.5 116.1 128.0 90.7 Sta. 4+00 54 Bajo Ct. 9.3 119.7 128.0 93.5 Sta. 1+90 55 Cabo Ct. 9.3 117.1 128.0 91.5 Sta. 2+00 56 Rancho Santa Fe 5.9 118.2 124.0 95.3 Rd., Sta. 211+00 57 Ran cho San ta Fe 6.0 114.2 124.0 92.1 Rd., Sta. 207+00 58 Rancho Santa Fe 5.9 134.0 138.2 97.0 Rd .,' Sta. 203+00 59 Rancho Santa Fe 8.3 134.2 138.2 97.1 Rd., Sta. 199+00 60 Rancho Santa Fe 7.6 115.9 124.0 93.5 Rd., Sta. 195+00 BENTON ENGINEE"ING,'INC. Pro ject No. 74-5 .... 2DF e -3-May 24, 1977 La Costa Land Company TABLE OF TEST RESULTS Iv\aximum Approx-Field Dry Dry Test imate ~isture Density Density Percent No. Location % dry wt Ib/cu ft Ib/cu ft Compaction Remarks Tests Taken in Subgrade Soils Fosca St., End 6.8 116.1 133.4 87.0 Reworked of Cui de Sac 2 Fosca St./ End 12.5 . 113.1 124.0 91.2 Ck on #1 of Cui de Sac 3 Fosca St. 9.1 120.2 133.4 90.1 Sta. 15+50 4 Cadencia St. 8.1 135.0 138.2 97.7 Sta.38+00 5 Cadencia St. 7.4 127.7 138.2 92.4 Sta.41+00 6 Cadencia St. 6.7 125.6 133.4 94.1 Sta. 44+00 7 Cadencia St. 7.6 124.2 133.4 93.1 Sta.50+00 8 Cadencia St. 9.5 123.8 133.4 92.8 Sta. 56+00 9 Codencio St. 8.8 123.8 133.4 92.8 Sta. 62+00 10 Esfero St. 8.7 128.3 138.2 92.9 Sto. 35+00 11 Esfero St. 6.8 133.1 138.2 96.3 Sto. 30-K)() 12 Esfero St. 8.4 123.6 133.4 92.7 Sta. 25+00 13 Perdiz St. 8.6 122.6 133.4 91.9 Sto.2+75 14 Perdiz St. 8.5 122.0 133.4 91.5 Sto. 1+75 15 Fosco St. 9.2 117.5 127.4 92.2 Sta. 10+00 16 Fosco St. 9.8 126.5 133.4 94.8 Sto. 5+50 17 Fosco St. 14.3 104.7 116.0 90.3 Sto. 0-1-50 18 Febo Ct. 8.4 128.4 138.2 92.9 Sto. 0+90 19 Gozo PI. 8.3 116.6 128.1 91.0 Sto. 1+00 20 Gazo PI. 8.2 120.3 133.4 90.2 Sta. 3+70 BENTON ENGINEERING. INC. Project No. 74-5-2DF e -6-e /WJy 24, 1977 La Costa Land Company TABLE OF TEST RESULTS, CONT. Maximum Approx-Field Dry Dry Test imate Moisture Density Density Percent No. Location % dr'y wt Ib/cu ft Ib/cu ft Compaction Remarks 61 Rancho Santa Fe 14.9 103.4 114.9 90.0 Rd ., S ta. 191-J{)0 62 Rancho Santa Fe 12.0 118.1 128.0 92.3 Rd., Sta. 187-J{)0 63 Ran'cho Santa Fe 17.8 121.6 128.0 95.0 Rd., Sta. 183-J{)0 64 Rancho Santa Fe 13.3 110.5 116.4 94.9 Rd., Sta. 179-rOO 65 Rancho Santa Fe 24.4 99.6 110.1 90.5 Rd., Sta. 175-J{)0 66 Rancho Santa Fe 12.0 105.4 114.9 91.7 Rd., Sta. 171+00 67 Rancho Santa Fe 10.9 106.4 117.9 90.2 Rd., Sta. 167+00 Tests Taken in Base Materials Esfera St. 6.9 124.8 135.8 ,91.9 Reworked Sta. 32+00 2 La Costa Ave. 8.3 127.5 133.4 95.6 Sta. 110+00 3 La Costa Ave. 8.4 113.9 133.4 85.4 Reworked Sta. 107-J{)0 ,4 La Costa Ave. 7.8 104.0 ' 133.4 78.0 Reworked Sta. 104-J{)0 5 Esfera St. 8.0 119.4 133.4 89.5 Reworked Sta. 2-J{)0 6 Esfera St. 5.9 114.4 133.4 85.7 Reworked Sta. 32-J{)0 7 Esfera St. 5.7 124.2 130.8 95.0 Sta. 29+00 8 Esfera St. 5.7 127.0 133.4 95.2 Sta.26+OO 9 La Costa Ave. 8.9 131.4 138.2 95.1 Sta. 118+50 10 La Costa Ave. 8.7 122.7 133.4 92~0 Sta. 113+00 BENTON ENGINEERING. INC. Project No. 74-5-2DF -7-e Iv\ay 24, 1977 La Costa Land Company TABLE OF TEST RESULTS, CONT. Maximum Approx-Field Dry Dry Test imate Moisture Density Density Percent No. Location % dry wt Ib/cu ft Ib/cu ft Compaction Remarks 11 Esfera St. 7.3 127.3 133.4 95.4 Sta. 11-+00 12 Esfera St. 7.6 132.6 133.4 99.4 Sta. 8+00 13 Esfera St. 7.9 131.2 133.4, 98.4 Sta. 5+00 14 La Costa Ave. 7.4 132.5 133.4 99.3 Sta. 120+00 15 La Costa Ave. 8.2 124.4 130.8, 95.1 Sta. 116+50 16 La Costa Ave. 6.4 133.6 138.2 96.7 Sta. 113+00 17 La Costa Ave. 8.6 121.9 128.1 95. 1 Sta. 110+00 18 La Costa Ave. 8.4 132.1 138.2 95.6 Sta. 107+00 19 La Costa Ave. 8.0 123.4 128.1 96.4 Sta. 104+00 20 Esfera St. 6.6 127.7 133.4 95.7 Sta. 23+00 21 Esfera St. 10.3 123.6 128.1 96.5 Sta. 17+00 22 Esfera St. 11.5 122.9 128. 1 95.9 Sta. 14+00 23 La Costa Ave. 6.1 130.7 133.4 98.0 Ck on #3 Sta. 107-+00 24 La Costa Ave. 6.4 127.3 133.4 95.4 Ck on #4 Sta. 104+00 25 Esfera St. 6. 1 128.9 135.8 94 .. 9 Sta. 20+00 26 Esfera St •. 8.0 129.4 135.8 95.3 Ck on #5 Sta. 2+00 27 Piragua St. 6.4 128.4 .133.4 96.2 Sta. 61+00 28 Piragua St. 5.9 119.8 133.4 89.8 Reworked Sta.58+00 29 Piragua St. 8.3 122.3 128.1 95.5 Sta.55+OO 30 Piragua St. 5.7 126.8 133.4 95.0 Ck'on #28 Sta. 58+00 BENTON ENGINEERING. INC. Project No. 74-5-2DF -8-e /W:Jy 24, 1977 La Costa Land Company TABLE OF TEST RESULTS, CONT. Niaximum Approx-Field Dry Dry Test imate Moisture Density Density Percent No. Location % dry wt Ib/cu n Ib/cu ft Compaction Remarks 31 Piragua St. 6.5 131.3 135.8 96.7 Sta. 52+00 32 Piragua St. 5.5 127.2 133.4 95.4 Sta.49+00 33 Venado St. 6.3 132.0 138.2 95.5 Sta. 3+50 34 Venado St. 7.0 134.6 138.2 97.4 Sta. 5+00 35 Venado St. 5.7 113.6 133.4 85.1 Reworked Sta. 9+70 36 Venado St. 7.7 112.1 133.4 84.0 Reworked Sta. 13+45 37 Venado St. 8.4 130.1 133.4 97.5 Sta. 14+45 38 Venado St. 7.9 136.1 138.2 98.4 Sta. 18+20 39 Venado St. 5.6 102.1 133.4 76.5 Reworked Sta.20+50 40 Venado St. 4.3 126.6 133.4 94.9 Sta. 23+50 41 Venado St. 7.7 138.9 138.2 100.5 Sta. 22+50 42 Venado St. 7.8 131.4 135.8 96.7 Ck on #35 Sta. 9+70 43 Venado St. 6.1 135.5 138.2 98.1 Ck on #36 Sta. 13+45 44 Venado St. 6.7 124.5 128.1 97.2 Ck on #39 Sta.20+50 45 Cabo Ct. 5.7 122.5 128.1 95.6 Sta. 1+50 46 Pirogua St. 5.3 134.0 138.2 97.0 Sta. 46+00 47 Piragua St • 5.9 126.8 133.4 95.1 . Sta. 43+00 48 Pit-agua St. 6.4 130.9 135.8 96.4 Sta. 40+00 49 Pirogua St. 7.9 135.2 138.2 97.8 Sta.37+OO 50 Fosca St. 9.1 133.0 138.2 96.2 Sta. 12+40 BENTON ENGINEEltlNG, INC. Project No. 74-5-2DF e -9-May 24, 1977 La Costa Land Company TABLE OF TEST RESULTS, CONT. Maximum Approx-Field Dry Dry Test imote Moisture Density Density Percent No. Location % dry wt Ib/cu ft . lb/cu ft Compaction Remarks 51 Muslo Lane 7.8 130'.7 135.8 96.2 Sto. 9+00 ·52 Muslo Lane 6.8 126.9 133.4 95.1 Sto. 6+00 53 Muslo Lane 6.9 129.1 135.8 95.1 Sto. 3+00 54 Casca Way 8.6 131.6 138.2 95.2 Sto. 0+50 55 Cabo Ct. 6.1 127.3 133.4 95.4 Sta. 4+42 56 Fosca St. 4.3 139.3 138.2 100.8 Sta. 1+00 57 Fosco St. 4.4 127.1 133.4 95.3 Sto. 4+00 58 Fosca St. 4.2 126.1 132.3 95.3 Sto. 7+00 59 Fosco St. 5.8 133.4 138.2 96.5 Sta. 10+00 60 Fosco St. 4.9 134.4 138.2 97.3 Sta. 13+00 61 Fosco St. 4.4 132.1 138.2 95.5 Sto. 16+00 62 Fosca St. 6.6 115.6 133.4 86.6 Reworked Sto. 18+70 63 Gozo Pl. 5.9 133.6 138.2 96.7 Sta. 1+00 64 Gozo Pl. 5.8 127.5 133.4 95.6 Sta. 3+30 65 Cobo Ct. 4.8 132.6 138.2 96.0 Sta. 1+00 66 Perdiz 4.7 126.7 132.3 95.8 Sta. 2+50 67 Cabo Way 6.7 131.5 138.2 95.1 Sto. 1 +50 68 Trigo Lane 4.9 129.2 132.3 97.6 Sto. 4+50 69 Trigo Lane 6.5 135.7 138.2 98.2 Sta. 7+50 70 Pirogua St. 4.2 126.4 132.3 95.5 Sto. 10+50 BENTON ENGINEERING. INC. ProJect No. 74-5-2DF La Costa Land Company e -10-e May 24, 1977 TABLE OF TEST RESULTS, CONT. Maximum Approx-Field Dry Dry Test imate Moisture Density Density Percent No. Location % dry wt Ib/cu ft Ib/cu ft Compaction Remarks 71 Capra Ct. 4.4 118.2 132.3 89.3 Reworked Stat 1 +25 72 Capra Ct. 5.3 116.1 132.3 87.8 Reworked· Sta. 4+05 73 Borla Ct., 5.0 127.2 132.3 96.2 Stat 1 +00 74 Fosca St. 6.9 134.8 138.2 97.5 Ck on #62 Stat 18+70 \ . 75 Borla Ct. 6.9 129.1 133.4 96.8 Sta. 4+30 76 Esfera St. 3.5 135.4 138.2 97.9 Ck on #1 & 6 Sta.32+00 71 Esfera St. 5.7 131.8 138.2 95.4 Sta. 35+00 78 Cadencia St. 5.5 126.1 132.3 95.3 Sta. 38+00 79 Cadencia St. 7.2 127.2 132.3 96.1 Stat 41+00 80 Cadencia St. 6.0 129.6 133.4 97.2 Sta. 43+00 81 Cadencia St. 5. 1 131.2 133.4 98.4 Sta.45+00 82 Cadencia St. 7.7 127.2 132.3 96.1 Sta. 48+00 83 Cadencia St. 5.2 129.7 133.4 97.2 Stat 51+00 84 Cadencia St. 5.5 125.5 132.4 95.0 Sta.53+00 85 Cadencia St. 5.8 131.8 138.2 95.3 Sta.56+00 86 Cadencia St. 5.3 130 •. 5 135.8 96.1 Sta.59+00 87 Cadencia St. 6.1 130.2 135.8 95.8 Stat 61+00 88 Cadencia St. 5.8 134.6 138.2 97.4 Sta.63+00 89 Cadencia St. 6.2 133.3 138.2 96.5 Sta.65+00 90 Bajo Ct. 9.2 127.5 132.3 96.4 Sta. 0+50 BENTON ENGINEERING. INC. -'o! Project No. 74-5!"'2DF -11-• f.kJy 24, 1977 La Costa Land Company TABLE OF TEST RESULTS, CONT. Maximum Approx-Field Dry Dry Test imate fv4toisture Density ·Density Percent No. Location % dry wt Ib/cu ft Ib/cu ft Compaction Remarks 91 Bajo Ct. 6.2 125.4 132.3 94.8 Sta. 2+20 92 Esfera St. 7.2 130.4 132.3 98.6 Sta. 36+00 93 Esfera St. 6.5 129.8 132.3 98. 1 Sta. 39+00 94 Esfera St. 7.5 129.5 132.3 97.9 Sta. 41+50 95 Capra Ct. 5.7 127.1 132.3 96.0 Ck on #72 Sta. 4+05 96 Capra Ct. 6.7 131. 1 132.3 99.1 Ck on #71 Sta. 1+28 97 Capra Ct. 6.0 126.3 132.3 95.5 Sta. 4+05 98 Rancho Santa Fe 6.7 117.5 132.3 88.8 Reworked Rd., Sta. 211+00 - 99 Rancho Santa Fe 5.6 127.1 132.3 96.1 Rd., Sta. 208+00 100 Rancho Santa Fe 7.5 133.8 138.2 96.8 Rd., Sta. 205+00 101 Rancho Santa Fe 8.3 123.6 128.1 96.5 Rd., Sta. 202+00 102 Rancho Santa Fe 9.9 129.0 132.3 97.5 Rd., Sta. 199+00 103 Rancho Santa Fe 10.9 134.0 138.2. 97.0 Rd., Sta. 196+00 104 Ran cho San ta Fe 7.2 100.0 132.3 75.6 Reworked Rd., Sta. 193+00 105 Rancho Santa Fe 7.2 127.0 132.3 96.0 Rd., S to. 190+00 106 Rancho Santa Fe 6.2 119.1 132.3 90.0 Reworked Rd., Sta. 187+00 107 Rancho Santa Fe 7.9 132.1 138.2 95.6 Rd",! Sta. 184+00 108 Raru:ho San ta Fe 6.0 122.2 132.3 92.3 Reworked Rd .• , Sta. 181+00 109 Rancho Santa Fe 7.2 119.2 132.3 90.1 Reworked Rd., Sta. 178+00 no Rancho Santa Fe 7.0 130.8 135.8 96.3 Rd., Sta. 175+00 BENTON ENGINEERING. INC. Project No. 74o:-5-2DF e -12-• fWJy 24, 1977 La Costa Land Company TABLE OF TEST RESULTS, CON!. Maximum Approx-Field Dry Dry Test imate N\oisture Density Density Percent No. Location % dry wt Ib/cu ft Ib/cu ft Compaction Remarks 111 Rancho Santa Fe 6.9 124.0 128.1 96.8 Rd., Sta. 172+00 112 Ran cho San ta Fe 7.1 130.6 135.8 96.1 Rd ., S ta. 169+00 113 Rancho Santa Fe 7.2 126.1 132.3 95.3 Ck on #104 Rd., Sta. 193+00 114 Rancho Santa Fe 7.8 132.9 138.2 96.2 Ck on #106 Rd., Sta. 187+00 115 Rancho Santa Fe 8.4 122.4 128. "' 95.6 Ck on #108 Rd., Sta. 181+00 116 Rancho Santa Fe 6.7 134.9 138.2 97.6 Ck on #109 Rd., i>ta. 178+00 117 Ran cho Santa Fe 5.9 129.1 135.8 95.1 Rd ., S ta. 197+00 118 Rancho Santa Fe 6.4 125.9 132.3 95.2 Rd ., S ta. 191 +00 119 Rancho Santa Fe 4.8 130.0 132.3 98.2 Rd., Sta. 185+00 120 Rancho Santa Fe 8.4 132.7 135.8 97.8 Rd., Sta. 179-:{)0 121 Rancho Santa Fe 6.9 129.6 132.3 97.9 Rd., Sta. 173+00 122 Rancho Santa Fe 7.4 128.4 132.3 97.1 Rd., Sta. 167+00 123 Rancho Santa Fe 7.2 130.5 132.3 98.6 Ck on #98 Rd. I S ta. 211 +00 124 Rancho Santa Fe 7.5 128.1 132.3 96.8 Rd :, Sta. 214+00 BENTON ENGINEERING. INC. , .~ , i Project No. 74-5-2DF • La Costa Land Company , -13 .... • May 24, 1977 LABORATORY TEST RESULTS The.maximum dry densities and optimum moisture contents of the major fill materials as deter- mined by the A.S. T .M. D 1557-70 method, that uses 25 blows of a 10 pound rammer falling from a height of 18 inches on each of 5 layers in a 4 inch diameter ·1/30, cubic foot compaction cylinder, are presented as follows: Soil Description Light brown fine sandy clayey gravel Brown sandy clayey gravel Light brown gravelly sHty clay Yellow brown fine to· medium sandy clay Light red brown fine to medium sandy clay Light yellow brown clayey fine sand Yellow brown silty very fine to fine sand Olive gray silty clay Gray brown fine to medium sandy clay Gray brown sl ightly silty fine to coarse sand Yellow brown fine sandy silt Dark brown clayey fine to coarse sand Light gray brown silty clay Brown gravelly slightly silty fine to coarse sand Red brown slightly si·lty fine to coarse sand Maximum Dry Density Ib/cu ft 124.0 128.0 125.1 118.6 121.4 114.3 117.9 109.0 119. 1 138.2 117.6 128.1 114.9 133.4 132.3 BENTON ENGINEE"ING. INC. Optimum lv1ois-' ture Content % dry wt 12.5 9.7 11.4 13. 1 11.7 13.6 13.2 18.5 13.7 7.6 13.5 10.6 13.5 8.6 8.7