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HomeMy WebLinkAboutCT 04-06; PALOMAR POINTE; LABORATORY ANALYSIS; 2005-11-08Cl- o4-Og NorCal Engineering Soils and Geotechnical Consultants 10641 Humbolt Street Los Alamitos, CA 90720 (562)799-9469 FAX (562)799-9459 November 8, 2005 Project Number 9623-01 Lanikai Management Corporation P.O. Box 455 Santa Ynez, California 93460 Attn: Mr. Larry Jeff RE: Laboratory Analysis - Proposed Palomar Point Development (Buildings A, B and C) - Located at 1930 Palomar Point Way, in the City of Carlsbad, California Dear Mr. Jeff: Pursuant to your request, this firm has provided laboratory analysis on two representative samples of crushed miscellaneous base material to be utilized at the above referenced project. The samples were tested for sieve analysis per test method ASTM C 131 per test method and Sand Equivalency per test method ASTM C 131. The results are as follows: Sample A Sieve Size Percent Passing Specification 11/2" 100 100 3/4" 92 85-100 3/8" 71 55-75 No.4 48 30-50 No.30 20 12-28 No.200 6 2-10 Sand Equivalency = 57 ECEIV ED NOV 222005 November 8, 2005 Project Number 9623-01 Page 2 Sample B Sieve Size Percent Passing Specification 11/2" 100 100 3/4" 95 85-100 3/8" 72 55-75 No.4 47 30-50 No.30 20 12-28 No.200 7 2-10 Sand Equivalency = 53 Additional laboratory analysis performed on the samples of crushed miscellaneous base material consisted of R-Value and Durability Index. The results are attached. We appreciate this opportunity to be of service to you. If you have any further questions, please do not hesitate to contact the undersigned. Respectfully submitted NORCAL ENGINEER Keith D. Tucker '. Exp.12/31/Q8 Walter K. Mott Project Engine€ Project Manager R.G.E. 841 Op CAL\2 NorCal Engineering I I IAI II VRL.0 CA3O1 Project Norcal # 9623-01 - Lanikai Job No. 2003-072 Sample A By: LD Soil Type CMB Date 11/1/2005 TEST SPECIMEN A B C Grain Size Distribution Compactor Air Pressure psi 300 300 300 Sieve As Rec'vd. (%Pass.) As Tested (%Pass.) Initial Moisture Content % 12.1 12.1 12.1 3" Water Added ml 50 45 40 21/2' Moisture at Compaction % 16.8 16.3 15.8 2" Sample & Mold Weight gms 3085 3075 3094 11/2' Mold Weight gms 2097 2095 2115 1' Net Sample Weight gms 988 980 979 3/4" Sample Height in. 2.459 2.459 2.488 1/2" Dry Density pcf 104.3 103.8 102.9 3/8" Pressure lbs 3020 4225 7820 #4 Exudation Pressure psi 240 336 623 #8 Expansion Dial x 0.0001 0 0 0 #16 Expansion Pressure psf 0 0 0 #30 Ph at 10001b5 psi 14 13 12 #50 Ph at 20001bs psi 25 23 20 #100 Displacement turns 3.39 3.25 3.3 #200 A' Value 80 82 84 Sand Equivalent (CTM 217) Corrected 'R' Value 80 82 84 FINAL 'R' VALUE By Exudation Pressure (@ 300 psi): 81 DURABILITY INDEX CTM 229 Fine: 39 Coarse: 63 GeoLogic Associates 'R' VALUE CA301 Project Norcal # 9623-01 - Lanikai Job No. 2003-072 Sample By:LD Soil Type CMB Date 11/1/2005 TEST SPECIMEN A B C Grain Size Distribution Compactor Air Pressure psi 350 350 350 Sieve As Rec'vd. (%Pass.) As Tested (%Pass.) Initial Moisture Content % 9.8 9.8 9.8 3" Water Added ml 25 20 15 21/2" Moisture at Compaction % 12.1 11.6 11.2 2" Sample & Mold Weight gms 3101 3091 3121 11/2" Mold Weight gms 2109 2095 2110 1" Net Sample Weight gms 992 996 1011 3/4" Sample Height in. 2.428 2.468 2.501 1/2" Dry Density pcf 110.4 109.5 110.2 3/8" Pressure lbs 1630 3215 6820 #4 Exudation Pressure psi 130 256 543 #8 Expansion Dial x 0.0001 0 0 0 #16 Expansion Pressure psf 0 0 0 #30 Ph at 1000lbs psi 18 16 13 #50 Ph at 20001bs psi 28 25 23 #100 Displacement turns 4.18 3.93 3.72 #200 R' Value 74 77 80 Sand Equivalent (CTM 217) Corrected 'A' Value 74 77 80 ogic Associates NorCal Engineering SOILS AND GEOTECHNICAL CONSULTANTS 10641 HUMBOLT STREET LOS ALAMITOS, CA 90720 (562)799-9469 FAX (562)799-9459 April 23, 2005 Project Number 9623-01 Lanikai Management Corporation P.O. Box 455 Santa Ynez, California 93460 Attn: Larry Jett RE: Laboratory Analysis - Proposed Palomar Point Development (Buildings A, B, and C) - Located at 1930 Palomar Point Way, in the City of Carlsbad, California Dear Mr. Jett: As requested, this firm has provided laboratory analysis on a soil sample from the Carroll Canyon Plant to be utilized as utility pipe bedding material. The sample was tested for sand equivalency per test method ASTM D 2419-91. The results are as follows: Sand Equivalency = 56 The sample does meet project specifications for use as a select sand material to be placed as bedding material for underground utilities. We appreciate this opportunity to be of service to you. If you have any further questions, please do not hesitate to contact the undersigned. Respectfully submitted, NORCAL ENGINEERING 0. TU 0- 0.841 uJ Exp. 12/31/08 Keith D. Tucker Walter K. Mott Project Engineer OP Project Manager • R.G.E. 841