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HomeMy WebLinkAboutCT 83-19; CALAVERA HILLS VILLAGE T; PAVEMENT DESIGN REPORT; 1999-04-21- I Geotechnical. Geologic. Environmental 57.41.Palmer Way .. Carlsbad, California 92008 • (760) 438-3155 ,. FAX (760) 931-0915 April 13, 1999 .,. Revised April 21, 1999 • %A/ 2634-E-SC / CTYOFCARLSBAD Brookfield Homes . '- , 12865 Pointe Del Mar, ,Suite 200 ••. APPROVED . Del Mar, California 92014 WITH ADDITIONS .• Attention Mr. Tim Wellman 7. _______________ I BY DATE Subject: Pavement Design Report, Calavera Hills, Portion of Village T South (Sheffield, Project) Carlsbad, California Gentlemen . I . In .accordance with your requesi, GeoSoils, Inc'. (GSI), has pepared design and construction recommendations for asphalt concrete pavement (ACP) at the subject site. The scope of services provided in preparation of this report included subgrade sampling, . laboratory testing and engineering analysis of pavement design ., PAVEMENT DESIGN - •- %P, Pavement sections for ACP presented are based on resistance "R"-value data determined from soils exposed at or near final subgrade elevations within the subject street areas, and the minimum standards of the City of Carlsbad. R-value testing was performed in 'accordance with the latest revisions to the Department of, Transportation, State .of California, Material & Research Test Method No. 301. - * .-- • • . ,. •- 4* • . -. I . - • - •1 • 4 ,- - ASPHALT CONCRETE PAVEMENT - Structural Section ' -, - : :- - • ..; £ • The recommended pavement sections are based 0n the R-vàlue data and the design ' . criteria presented the City of Carlsbad (1993). The recommended pavement sections are presented in the following table / - - - .5. - - I - S • . - • -. $ I & - - - * - • I I- • ., S.-. • . S • -. S - St. - - . I, S - St - • -- I . .- • . • * • .1 5 S _I - I.- • • S . S • I • • . . • ._ 6 * 5, Aggregate Base SubgradeW- AC Thickness t14t2* Traffic Area Traffic Index Value Thickness (Inches) (Inches) Bay View Place, all '4.5, 32 . . 4.0' 4.0.. stations Contour Place, all - 4.5 . 23 . ' 4.0 . . 4.0 stations . . . . .. . .. ..- Delta Way, all 4.5 " 31 . 4.0 ; ,- - 4.0 stations Strata-Drive,sta. 5.0 - 13 ' 4.0 6.0 * . 18+60t024+50 0. Strata Drive, sta. 5.0 23 . - 4.0 24+50to28+00 . .. : . Strata Drive, sta. 5.0 32 4.0 ,frd' C;0 28+00t031+70 Terrace Place, all , ' 4.5 ' 31' 4.0 ' 4.0 stations . ' . . . . .... ' City of Carlsbad minimum Denotes Class 2 Aggregate Base (R~J8, SE >25) All pavement installation, including preparation and compaction of subgrade, compaction of base material, and placement and rolling of asphaltic concrete should be done in accordance with the City of Carlsbad guidelines and under the observation and testing of project geotechnical engineer and/or City of Carlsbad. SUBGRADE AND BASE PREPARATION ' ... . . Based on the anticipated use and expansion characteristics'of site soil, the upper. 12 inches of subgrade should be scarified, moisture conditioned .to at, or near, the soils' optimum moisture content and compacted to at least 95 percent of the. maximumdry density. If 'adverse conditions are encountered during preparation, of the subgrade materials, special construction methods may need to be employed. PAVEMENT CONSTRUCTION AND MAINTENANCE The recommended pavement sections are 'meant as minimums. If thinner or highly variable pavement sections are constructed, increased- maintenance and repair may be needed. Positive site drainage should be maintained at all times. Water should not be . Brookfield Homes ,- . ' : . . M.O. 2634-E-SC Calavera Hills, Village T South ,, . ' . . . April 13, 1999 File: e\wp7\2600\2634e.pdr '- -' Revised April 21, 1999 Page 2 GeoSoils, Inc. I allowed to pond or seep into the ground. If planters or landscaping are adjacent to paved areas, measures should be taken to minimize the potential for water to enter the pavement section. If the ADT (average daily traffic) or ADTT (average daily truck traffic) increases beyond that intended, as reflected by the traffic index(s) used for design, increased maintenance and repair could be required for the pavement section. LIMITATIONS The materials encountered on the project site and utilized in our laboratory study are believed to be representative of the total area. However, variations from the anticipated conditions and actual field conditions should be expected. Test excavations are reflective of the soil and rock materials only at the specific location explored. Site conditions may vary due to seasonal changes or other factors. Since our study is based on the earth materials obtained in the field onsite, selective laboratory testing and engineering analyses, the conclusions and recommendations are professional opinions based upon those parameters. These opinions have been derived in accordance with the current standards of practice and no warranty is expressed or implied. Standards of practice are subject to change in time. Overall, the enclosed results represent our professional opinions and evaluations which were performed within the constraints of a budget. GeoSoils, Inc. assumes no responsibility or liability for work or testing performed by others. The opportunity to be of service is greatly appreciated. If you have any questions,, please do not hesitate to call our office. Respectfully submitted, GeoSoils, Inc. 4 David W. Skelly Civil Engineer, ACE 4 W. ( No. RC 47,B57 * Exp.//.ff I * (p\ Robert G. Crisman Project Geologist, CEG 3 Exp. RGC/DWS/JPF/mo Attachment: Appendix - Refere Distribution: (4) Addressee (1) Jobsite Brookfield Homes Calavera Hills, Village T South File: e\wp7\2600'2634e.pdr GeoSoils, Inc. W.O. 2634-E-SC April 13, 1999 Revised April 21, 1999 Page 3 APPENDIX REFERENCES California Department of Transportation, 1992, Caltrans, Standard Specifications, July printing. California Department of Transportation, 1987, Highway Design Manual of Instructions, Fourth Edition. Carlsbad, City of, 1993, Standards for design and construction of Public Works Improvements in the City of Carlsbad. NEWCON90, Computer program for the determination of asphalt concrete pavement sections, version April 30, 1991. PAVE, Computer program for the determination of asphalt concrete pavement sections. GeoSoils, Inc. VV - ' ., - - 'V - - Geotechnical . Geologic • Environmental - 5741 Palmer Way • Carlsbad California 92008 • (760) 438-3155 • FAX (760) 931-0915 V January 13, 1999 • V V V W.O. 261 0-E-SC The McMillin Companies V V 2727 Hoover Avenue •, V •VV • - : V National City, California 91950 V - • V •V Attention Mr. Don Mitchell - V Subject: Pavement Design Report, Hummock Drive, Rockfield Court, Area 8, Village • V North,Calavera Hills, Carlsbad, California V V V. - •• . V ..V, V - Gentlemen: V •' V V In accordance with your request, GeoSoils, Inc. (GSl), has prepared design and V V construction recommendations for asphalt concrete pavement (ACP) at the subject site. The scope of services provided in preparation of this report included subgrade sampling-, • laboratory testing and engineering analysis of pavement design V V V V_ + - - - V V : V • V . - . . •. V V •V• V V V V V V • V V * V PAVEMENT DESIGN V V V Pavement section design was performed in accordance with the California Department of V Transportation (Caltrans) Highway Design Manual of instructions, and the standards for. Design and Construction of Public Works Improvements in the. City of Carlsbad (see reference Appendix A). . Pavement sections for ACP presented are based on the • V - aforementibned criteria and resistance "R"-value data determined from soils exposed at V V V or near final subgrade elevations within the subject areas. "R"-value testingwas performed V V in accordance with the latest revisions to the Department of Transportation, State of V California, Material & Research Test Method No. 301. Pavement design was aided with the - V VVV V computer software programs PAVE and NEWCON90V. • V V V V •. V V V V V V - V V • V VV V V V V *V+ V - - . - • S V • V . - - V V V V • - - V V • • . . 4 r - V V• ••.• V • - V • 4 • V V V V. VV V •V . V ASPHALT CONCRETE PAVEMENT Structural Section The recommended pavement sections are presented in the following table: Aggregate Base. Subgiade R A C Thickness'1 Thickness (1 (2) Traffic Area V.- Tiaffic Index . - . - VaIte, ,(inhes) - (iiché) Hummock Drive, sta. 5.0 64 4.0 4.0 12+2to_14+ Rockfield Court, sta. 4.5 64 4.0 4.0 10+22 to _12+22 Rockfield Court, sta. 4.5 31 4.0 4.0 12-I-22 to 14-f 22 City of Carlsbad minimum Denotes Class 2 Aggregate Base (R> 78, SE > 22),. All pavement installation, including preparation and compaction of subgrade, compaction of base material, and placement and rolling of asphaltic concrete should be done in accordance with the City of Carlsbad guidelines and under the observation and testing of the project geotechnical engineer and/or City of Carlsbad. Per the City of Carlsbad, a minimum 4 inches of compacted Class 2 aggregate base should be provided beneath. all curb and gutters to at least 6 inches behind the back of curb. SUBGRADE AND BASE PREPARATION Based on the anticipated use and expansion characteristics of site soil, the upper 12 inches of subgrade should be scarified, moisture conditioned to at, or near, the soils optimum moisture content and compacted to at least 95 percent of the maximum dry density. If adverse conditions are encountered during preparation of the subgrade materials, special construction methods may need to be employed. PAVEMENT CONSTRUCTION AND MAINTENANCE The recommended pavement sections are meant as minimums. If thinner or highly variable pavement sections are constructed, increased maintenance and repair may be McMillin Communities W.O. 261 O-E-SC Area 8, Village T-North January 13, 1999 File: e\wp7\2600\2610e.pdr Page 2 GeoSoils, Inc. needed. Positive site drainage should be maintained at all times. Water should not be allowed to pond or seep into the ground. If planters or landscaping are adjacent to paved areas, measures should be taken to minimize the potential for water to enter the pavement section. If the ADT (average daily traffic) or ADTT (average daily truck traffic) increases beyond that intended, as reflected by the traffic index(s) used for design, increased maintenance and repair could be required for the pavement section. LIMITATIONS The materials encountered on the project site and utilized in our laboratory study are believed to be representative of the total area. However, variations from the anticipated conditions and actual field conditions should be expected. Test excavations are reflective of the soil and rock materials only at the specific location explored. Site conditions may vary due to seasonal changes or other factors. Since our study is based on the earth materials obtained in the field onsite, selective laboratory testing and engineering analyses, the conclusions and recommendations are professional opinions based upon those parameters. These opinions have been derived in accordance with the current standards of practice and no warranty is expressed or implied. Standards of practice are subject to change in time. Overall, the enclosed results represent our professional opinions and evaluations which were performed within the constraints of a budget. GeoSoils, Inc. assumes no responsibility or liability for work or testing performed by others. The opportunity to be of service is greatly appreciated. If you have any questions, please do not hesitate to call our office. Respectfully submitted, GeoSoils, Inc. RGC/DWS/JPF/kl GeoSoils, Inc. Reviewed David W. Skelly Civil Engineer, R W.O. 261 O-E-SC January 13, 1999 Page 3 Robert G. Crisman Project Geologist, CEG i!o. 1934 E9//) (p Vf;& t9Q4'- C Attachments: Appendix -References Distribution: (4) Addressee McMillin Communities Area 8, Village T-North File: e\wp7\2600\2610e.pdr !1 No RCE47s57) * \EXP.,AJ a Appendix REFERENCES California Department of Transportation, 1992, Caltrans, Standard Specifications, July printing. Carlsbad, City of, 1993, Standards for design and construction of Public Works Improvements in the Cty of Carlsbad. NEWCON90, Computer program for the determination of asphalt pavement sections, version: April 30, 1991. PAVE, Computer program for the determination of asphalt concrete pavement sections. State of California, Department of Transpostation, 1987, Highway design manual of instructions, fourth, edition. 4 - F Geotechnical • Geologic. Environmental 5741 Palmer Way • Carlsbad California 92008 • (760) 438-3155 • FAX (760) 931-0915 January 12, 1999 W.0. 26097E-SC The McMillin Companies 4c 2727 Hoover Avenue National City, California 91950 r . Attention: Mr. Don Mitchell Subject: Pavement Design Report, Foothill Avenue, Knollwood Avenue and Plateau Place, Area 7, Village T North, Calavera Hills, Carlsbad, California Gentlemen -a In accordance with your request, GeoSoils, Inc. (GSI), has prepareddesign and construction recommendations for asphalt concrete pavement (ACP) at-the subject site. The scope of services provided in preparation of this report included subgrade sampling, p laboratory testing and engineering analysis of pavement design PAVEMENT DESIGN IL - Pavement section design was performed in accordance with the California Department of Transportation (Caltrans) Highway Design Manual of instructions, and the standards for Design and Construction of Public Works Improvements in the City of Carlsbad (see reference Appendix A). Pavement sections for ACP presented are based on the -. aforementioned criteria and resistance "R"-value data determined from soils exposed at -a - - . or near final subgrade elevations within the subject areas. "R"-value testing was performed S in accordance with the latest revisions to the Department of Transportation, State of California, Material & Research Test Method No 301 Pavement design was aided with the computer software programs PAVE and NEWCON90 ( S. 4 - '- 4 4 4 4 7 -? ASPHALT CONCRETE PAVEMENT Structural Section The recommended pavement sections are presented in the following table: V V .. Aggiigate Base- s "R"- A.C;Thickness" Thickness 2) Traffic Area. Traffic Index J/alüe - .(inches) (inches) Foothill Avenue, sta. 5.0 32 4.0 4,0 13+22 to 15+22 Foothill Avenue, sta. 5.0 18 4.0 5.0 15+22 to 19+22 £0 Foothill Avenue, sta. 4.5 18 4.0 4-6 19+22to20+22 Knollwood Drive, 5.0 16 4.0 6.0 sta. 20+22 to 22+22 Mira Monte Drive, 5.0 18 4.0 5.0 sta. 10+22 to_11+ Plateau Place, all 4.5 23 4.0 4.0 stations City of Carlsbad minimum Denotes Class 2 Aggregate Base (R> 78, SE > 22) V All pavement installation, including preparation and compaction of subgrade, compaction of base material, and placement and rolling of asphaltic concrete should be done in accordance with the City of Carlsbad guidelines and under the observation and testing of the project geotechnical engineer and/or City of Carlsbad. Per the City of Carlsbad, a minimum 4 inches of compacted Class 2 aggregate base should be provided beneath all curb and gutters to at least 6 inches behind the back of curb. SUBGRADE AND BASE PREPARATION Based on the anticipated use and expansion characteristics of site soil, the upper 12 inches of subgrade should be scarified, moisture conditioned to at, or near, the soils optimum moisture content and compacted to at least 95 percent of the maximum dry density. If adverse conditions are encountered during preparation of the subgrade materials, special construction methods may need to be employed. McMillin Communities W.O. 2609-E-SC Area 7, Village T-North January 12, 1999 File: e\wp7\2600\2609e.pdr Page 2 GeoSoils, Inc. PAVEMENT CONSTRUCTION AND MAINTENANCE The recommended pavement sections are meant as minimums. If thinner or highly variable pavement sections are constructed, increased maintenance and repair may be needed. Positive site drainage should be maintained at all times. Water should not be allowed to pond or seep into the ground. If planters or landscaping are adjacent to paved areas, measures should be taken to minimize the potential for water to enter the pavement section. If the ADT (average daily traffic) or ADTT (average daily truck traffic) increases beyond that intended, as reflected by the traffic index(s) used for design, increased maintenance and repair could be required for the pavement section. LIMITATIONS The materials encountered on the project site and utilized in our laboratory study are believed to be representative of the total area. However, variations from the anticipated conditions and actual field conditions should be expected. Test excavations are reflective of the soil and rock materials only at the specific location explored. Site conditions may vary due to seasonal changes or other factors. Since our study is based on the earth materials obtained in the field onsite, selective laboratory testing and engineering analyses, the conclusions and recommendations are professional opinions based upon those parameters. These opinions have been derived in accordance with the current standards of practice and no warranty is expressed or implied. Standards of practice are subject to change in time. Overall, the enclosed results represent our professional opinions and evaluations which were performed within the constraints of a budget. GeoSoils, Inc. assumes no responsibility or liability for work or testing performed by others. McMillin Communities W.O. 2609-E-SC Area 7, Village T-North January 12, 1999 File: e\wp7\2600\2609e.pdr Page 3 GeoSoils, Inc. The opportunity to be of service is greatly appreciated. If you have any questions, please do not hesitate to call our office. Respectfully submitted, C:, GeoSoils, Inc. g 74) Robert G. Crisman Project Geologist, C RGCIDWS/JPF/kl Reviewed by, rn lI/'l No. RCE47857 " David W. Skelly \Exp.4/.1 * Civil Engineer, RCE Attachments Appendix -References Distribution: (4) Addressee McMillin Communities W.O. 2609-E-SC Area 7, Village T-North January 12, 1999 File: e\wp7\2600\2609e.pdr Page 4 GeoSoils, Inc. Appendix REFERENCES California Department of Transportation, 1992, Caltrans, Standard Specifications, July printing. Carlsbad, City of, 1993, Standards for design and construction of Public Works Improvements in the Cty of Carlsbad. NEWCON90, Computer program for the determination of asphalt pavement sections, version: April 30, 1991. PAVE, Computer program for the determination of asphalt concrete pavement sections. State of California, Department of Transpostation, 1987, Highway design manual of instructions, fourth edition. C .- .4 - - - Geotechnical 'Geologic. Environmental 5741 Palmer Way • Carlsbad, California 92008 • (760) 438-3155 .• FAX (760)931-0915 January 12, 1999 - . W.O. 2608-E-SC The McMillin Companies 2727 Hoover Avenue National City, California 91950 Attention Mr. Don Mitchell Subject: Pavement Design Report, Knollwood Avenue and Gorge Place, Area 3, Village T North, Calavera Hills, Carlsbad, California Gentlemen In accordance with your request: GeoSoils, Inc. (GSI),- has prepared design and construction recommendations for asphalt concrete pavement (ACP) at the subject site. The scope of services provided in preparation of this report included subgrade sampling, laboratory testing and engineering analysis of pavement design. . PAVEMENT DESIGN. - -. Pavement section design was performed in accordance with the California Department of Transportation (Caltrans) Highway Design Manual of instructions, and the standards for Design and Construction of Public Works Improvements in the City of Carlsbad (see - reference Appendix A). Pavement sections for ACP presented are, based on the aforementioned criteria and resistance "R"-value data determined from soils exposed at or near final subgrade elevations within the subject areas "R"-value testing was perIormäd in accordance with the latest revisions to the Department Of Transportation, State of California, Material & Research Test Method No. 301. Pavement design wasaided with the computer software programs PAVE and NEWCON90. - • .- - • • - - ,- . .- - . • *4 : ASPHALT CONCRETE PAVEMENT Structural Section The recommended pavement sections are presented in the following table: - : Aggregate Base-,' - S.ubgrade "R" k A.C. Thickness" Thickness (1)(2) Traffic Area.: Traffic Index ._. Value .. (incIies ) Gorge Place, all 4.5 32 4.0 4.0 stations Knollwood Drive, 5.0 23 4.0 5.0 LO sta. 10+to 15+ Knollwood Drive. 5.0 16 4.0 6.0 LO sta. 15+ to 20+ city of Carlsbad minimum Denotes Class 2 Aggregate Base (R> 78, SE > 22) All pavement installation, including preparation and compaction of subgrade, compaction of base material, and placement and rolling of asphaltic concrete should be done in accordance with the City of Carlsbad guidelines and under the observation and testing of the project geotechnical engineer and/or City of Carlsbad. Per the City of Carlsbad, a minimum 4 inches of compacted Class 2 aggregate base should be provided beneath all curb and gutters to at least 6 inches behind the back of curb. SUBGRADE AND BASE PREPARATION Based on the anticipated use and expansion characteristics of site soil, the upper 12 inches of subgrade should be scarified, moisture conditioned to at, or near, the soils optimum moisture content and compacted to at least 95 percent of the maximum dry density. If adverse conditions are encountered during preparation of the subgrade materials, special construction methods may need to be employed. PAVEMENT CONSTRUCTION AND MAINTENANCE The recommended pavement sections are meant as minimums. If thinner or highly variable pavement sections are constructed, increased maintenance and repair may be needed. Positive site drainage should be maintained at all times. Water should not be McMillin Communities W.O. 2608-E-SC Area 3, Village 1-North January 12, 1999 File: e\wp7\2600\2608e.pdr Page 2 GeoSoils, Inc. allowed to pond or seep into the ground. If planters or landscaping are adjacent to paved areas, measures should be taken to minimize the potential for water to enter the pavement section. If the ADT (average daily traffic) or ADTT (average daily truck traffic) increases beyond that intended, as reflected by the traffic index(s) used for design, increased maintenance and repair could be required for the pavement section. LIMITATIONS The materials encountered on the project site and utilized in our laboratory study are believed to be representative of the total area. However, variations from the anticipated conditions and actual field conditions should be expected. Test excavations are reflective of the soil and rock materials only at the specific location explored. Site conditions may vary due to seasonal changes or other factors. Since our study is based on the earth materials obtained in the field onsite, selective laboratory testing and engineering analyses, the conclusions and recommendations are professional opinions based upon those parameters. These opinions have been derived in accordance with the current standards of practice and no warranty is expressed or implied. Standards of practice are subject to change in time. Overall, the enclosed results represent our professional opinions and evaluations which were performed within the constraints of a budget. GeoSoils, Inc. assumes no responsibility or liability for work or testing performed by others. The opportunity to be of service is greatly appreciated. If you have any questions, please do not hesitate to call our office. Respectfully submitte-D GeoSoils, Inc. (4' No. 1934 Milk Robert G. Crisman Project Geologist, CE RGC/DWS/JPF/kl Reviewed by, David W. Skelly Civil Engineer, RCE 4 fQ No. RCE 47857 * Exp. bJ OF CM-\d Attachments: Appendix -References Distribution: (4) Addressee McMillin Communities W.O. 2608-E-SC Area 3, Village T-North January 12, 1999 File: e\wp7\2600\2608e.pdr Page 3 GeoSoils, Inc. Appendix REFERENCES California Department of Transportation, 1992, Caltrans, Standard Specifications, July printing. Carlsbad, City of, 1993, Standards for design and construction of Public Works Improvements in the Cty of Carlsbad. NEWCON90, Computer program for the determination of asphalt pavement sections, version: April 30,1991. PAVE, Computer program for the determination of asphalt concrete pavement sections. State of California, Department of Transpostation, 1987, Highway design manual of instructions, fourth edition. - - Geotechnical • Geologic. Environmental 5741 Palmer Way • Carlsbad, California 92008 • (760) 438-3155 • FAX (760) 931-0915 : : January 11, 1999 , W.O. 2591 ESC The McMillin Companies 2727 Hoover Avenue National City, California 91950. S . Attention Mr. Don Mitchell - Subject:: Pavement Design Report, Stoneridge Road and Leve Dri'e, Area 6, Village "T" North, Calavera Hills, Carlsbad, California - Gentlemen In accordance with your request, GeoSoils, Inc. (GSI), has prepared design and construction recommendations for asphalt concrete pavement (ACP) at the subject site. The scope of services provided in preparation of this report included subgrade sampling, laboratory testing and engineering analysis of pavement design. •, , • , PAVEMENT DESIGN . • - . • Pavement section design was performed in accordance with the California Department of Transportation (Caltrans) Highway Design Manual of instructions, and the standards for - Design and Construction of Public Works Improvements in the City.of Carlsbad (see • reference Appendix A). Pavement sections for ACID presented are based on the aforementioned criteria and resistance "R"-value data determined from soils exposed at or near final subgrade elevatiOn&within the subject areas. "R"-value testing was performed in accordance with the latest revisions to the Department of Transportation, State of. California, Material & Research Test Method No. 301. Pavement design was aided with the • computer software programs PAVE and NEWCON90. . . , -.5 ..- 5-- • .. - - - • .- c , •. . q- - • 4 • S ASPHALT CONCRETE PAVEMENT Structural Section The recommended pavement sections are presented in the following table: Aggregate Base SuLgrade R AC Thickness1 Thucknes'' Traffic Area... TiàfficIñdex . 'c'.VãIuè... .. (inche)J. '(inctiës) Levee Drive, all 5.0 32 4.0 4.0 stations Foothill Avenue, sta. 5.0 32 4.0 4.0 2-0 10+to13+1 Stoneridge Road, 5.0 32 4.0 ' 22 sta. 10+to14+ Stoneridge Road, 5.0 18 4.0 5.0 sta. 14+to18-l- Stoneridge Road, 5.0 23 4.0 22 sta. 18+to24-I- City of Carlsbad minimum Denotes Class 2 Aggregate Base (R> 78, SE> 22) All pavement installation, including preparation and compaction of subgrade, Compaction of base material, and placement and rolling of asphaltic concrete should be done in accordance with the City of Carlsbad guidelines and under the observation and testing of the project geotechnical engineer and/or City of Carlsbad. Per the City of Carlsbad, a minimum 4 inches of compacted Class 2 aggregate base S should be provided beneath all curb and gutters to at least 6 inches behind the back of curb. SUBGRADE AND BASE PREPARATION Based on the anticipated use and expansion characteristics of site soil, the upper 12 inches of subgrade should be scarified, moisture conditioned to at, or near, the soils optimum moisture content and compacted to at least 95 percent, of the maximum dry density. If adverse conditions are encountered during preparation of the subgrade materials, special construction methods may need to be employed. McMillin Communities W.O. 2591 -E-SC Area 6, Village "T" North January 11, 1999 File: 6\wp7\25002591 e.pdr Page 2 GeoSoIls, Inc. PAVEMENT CONSTRUCTION AND MAINTENANCE The recommended pavement sections are meant as minimums. If thinner or highly variable pavement sections are constructed, increased maintenance and repair may be needed. Positive site drainage should be maintained at all times. Water should not be allowed to pond or seep into the ground. If planters or landscaping are adjacent to paved areas, measures should be taken to minimize the potential for water to enter the pavement section. If the ADT (average daily traffic) or ADTT (average daily truck traffic) increases beyond that intended, as reflected by the traffic index(s) used for design, increased maintenance and repair could be required for the pavement section. LIMITATIONS The materials encountered on the project site and utilized in our laboratory study are believed to be representative of the total area. However, variations from the anticipated conditions and actual field conditions should be expected. Test excavations are reflective of the soil and rock materials only at the specific location explored. Site conditions may vary due to seasonal changes or other factors. Since our study is based on the earth materials obtained in the field onsite, selective laboratory testing and engineering analyses, the conclusions and recommendations are professional opinions based upon those parameters. These opinions have been derived in accordance with the current standards of practice and no warranty is expressed or implied. Standards of practice are subject to change in time. Overall, the enclosed results represent our professional opinions and evaluations which were performed within the constraints of a budget. GeoSoils, Inc. assumes no responsibility or liability for work or testing performed by others. McMillin Communities W.O. 2591-E-SC Area 6, Village "T" North January 11, 1999 File: e\wp7\2500\2591 e.pdr Page 3 GeoSoils, Inc. The opportunity to be of service is greatly appreciated. If you have any questions, please do not hesitate to call our office. Respectfully submitteoG'N '1934 GeoSoils, Inc. Reviewed by, No. RGE 47857 Robert G. Crisman David W. Skelly OF C Project Geologist, CE Civil Engineer, RCE 47857 -- RGC/DWS/JPF/mo Attachments: Appendix - References Distribution: (4) Addressee McMillin Communities W.O. 2591 -E-SC Area 6, Village "T" North January 11, 1999 File: e\wp7\2500\2591 e.pdr Page 4 GeoSoils, Inc. APPENDIX REFERENCES California Department of Transportation, 1992, Caltrans, Standard Specifications, July printing. Carlsbad, City of, 1993, Standards for design and construction of Public Works Improvements in the City of Carlsbad. NEWCON90, Computer program for the determination of asphalt pavement sections, version: April 30, 1991. PAVE, Computer program for the determination of asphalt concrete pavement sections. State of California, Department of Transpostation, 1987, Highway design manual of instructions, fourth edition. Geotechnical • Geologic • Environmental 5741 Palmer.Way • Carlsbad, California 92008 • (760) 438-3155 • FAX (760) 931-0915 January 8, 1999 - W.O. 2590-E-SC The McMillin Companies 2727 Hoover Avenue National City, California 91950 Attention: • Mr. Don Mitchell - Subject: Pavement Design Report, Hummock Drive, Sta.. 10+ to 12+ and Rill S. Court, Area 5, Village "T" North, Calavera Hills, Carlsbad, California Gentlemen In accordance with your request, GeoSoils, Inc. (GSl), has prepared design and construction recommendations for asphalt concrete pavement (ACP) at the subject site. The scope of services provided in preparation of this report included subgrade sampling, laboratory testing and engineering analysis of pavement design. S. - S • .5 - t PAVEMENT DESIGN . Pavement section design was performed in accordance with the California Department of - • Transportation (Caltrans) Highway Design Manual of instructions, and the standards for S Design and Construction of Public Works Improvements in the City of Carlsbad (see the •- Appendix). Pavement sections for ACP presented are based on the aforementioned •• - criteria and resistance "R"-value data determined from soils exposed at or near final - subgrade elevations within the subject areas. "R"-value testing,was performed in S • accordance with the latest revisions to the Department of Transportation, State of - California, Material & Research Test Method No. 301. Pavement design was aided with the . computer software programs PAVE and NEWCON90. section. If the ADT (average daily traffic) or ADTT (average daily truck traffic) increases beyond that intended, as reflected by the traffic index(s) used for design, increased maintenance and repair could be required for the pavement section. LIMITATIONS The materials encountered on the project site and utilized in our laboratory study are believed to be representative of the total area. However, variations from the anticipated conditions and actual field conditions should be expected. Test excavations are reflective of the soil and rock materials only at the specific location explored. Site conditions may vary due to seasonal changes or other factors. Since our study is based on the earth materials obtained in the field onsite, selective laboratory testing and engineering analyses, the conclusions and recommendations are professional opinions based upon those parameters. These opinions have been derived in accordance with the current standards of practice and no warranty is expressed or implied. Standards of practice are subject to change in time. Overall, the enclosed results represent our professional opinions and evaluations which were performed within the constraints of a budget. GeoSoils, Inc. assumes no responsibility or liability for work or testing performed by others. The opportunity to be of service is greatly appreciated. If you have any questions, please do not hesitate to call our office. Respectfully submitted, GeoSoils, Inc. Reviewed by, \, 1 xp fP Attachments: Appendix - Re Distribution: (4) Addressee David W. Skelly Civil Engineer, I 4 ~~- ~~ 6, Robert G. Crisman Project Geologist, RGC/DWS/JPF/mo McMillin Communities W.O. 2590-E-SC Tamarack Avenue, village T-North January 8, 1999 File: e\wp7\2500\2590e.pdr Page 3 GeoSoils, Inc. APPENDIX REFERENCES California Department of Transportation, 1992, Caltrans, Standard Specifications, July printing. Carlsbad, City of, 1993, Standards for design and construction of Public Works Improvements in the City of Carlsbad. NEWCON90, Computer program for the determination of asphalt pavement sections, version: April 30, 1991. PAVE, Computer program for the determination of asphalt concrete pavement sections. State of California, Department of Transpostation, 1987, Highway design manual of instructions, fourth edition. GeoSoils, Inc. I' •, - - I I . - Geotechnical • Geologic. Environmental " 5741 Palmer Way • Carlsbad California 92008 • (760) 438m3-155 • FAX (760) 931-0915 January 7, 1999 W.0. 2589-E-SC r Cypress Valley LLC do The McMillin Companies r v" 2727 Hoover Avenue \ 1p4" , National City, California 91950 ri wv Attention:'Mr. Don Mitchell 4 * Subject: Pavement Design Report, Tamarack Avenue, Stations 10+220 to 34+, Calavera Hilts, Village "T" North, Carlsbad, California Gentlemen * In accordance with your request, GeoSoils, Inc. (GSl), has prepared design. and . construction recommendations for asphalt concrete pavement (ACP) 'at the subject site. The scope of services provided in preparation of this report included subgrade sampling," laboratory testing and engineering analysis of pavement design PAVEMENT DESIGN 4, Pavement section design was performed in accordance with the California Department of -, Transportation (Caltrans) Highway Design Manual of instructions, and the standards for -. Design and Construction of Public Works Improvements in the City of Carlsbad ,(see the Appendix). Pavement sections for ACP presented are based on the, aforementioned. criteria and resistance "R"-value data determined from soils exposed-"at or near final subgrade elevations within the subject areas "R"-value testing was performed in accordance with the latest revisions to the Department of Transportation, State of California, Material & Research Test Method No. 301. Pavement design was aided with the computer software programs PAVE and NEWCON90 4' Tamarack Avenue, sta. 6.0 13 4.0.- . '12.0 LO 90 10+to15+ Tamarack Avenue, sta. .. 6.0 16 4.0 15+920 to23+00 Tatharack Avenue, sta: 6.0 59 4.0 23+920 to31+ . -• . - Tamarack Avenue, sta. 6.0 31 4.0 '- '8.0.- 31 +220 to 35+6 2 City of Carlsbad minimum Denotes Class 2 Aggregate Base (R:?~78, SE :?22) . •. •. * * . •-• .** S - . - - AZ ASPHALT CONCRETE PAVEMENT Structural Section The recommended pavement sections are presented in the following table All pavement installation, including preparation and compation of subgrade, compaction of base material; and placement and rolling of asphaltie concrete should be done in accordance with the City of Carlsbad guidelines and under the observation and testing of the project geotechnical engineer and/or City of Carlsbad Per the City of Carlsbad, a minimum 4 inches of compacted Class '2 aggregate base should be provided beneath all curb and gutters to at least 6 inches behind the back of curb SUBGRADE AND BASE PREPARATION' S , Based '"oh the anticipated use and expansion characteristics of site soil, the upper- 12 inches of subgrade should be scarified, moisture conditioned to at, or near, the soils. optimum moisture content and compacted to at least 95 percent of the maximum dry. - •-' density. If adverse conditions are encountered during preparation of the subgrade materials, special construction methods may need to be employed , - 4,, - . ' * '' . •S I I Cypress Valley LLC M.O. 2589 E SC TamarackAvenue,ViilageT-North - S - . January 7,1999 File e\wp7\2500\2589e pdr Page 2 GeoSoils, Inc. PAVEMENT CONSTRUCTION AND MAINTENANCE The recommended pavement sections are meant as minimums. If thinner or highly variable pavement sections are constructed, increased maintenance and repair may be needed. Positive site drainage should be maintained at all times. Water should not be allowed to pond or seep into the ground. If planters or landscaping are adjacent to paved areas, measures should be taken to minimize the potential for water to enter the pavement section. If the ADT (average daily traffic) or ADTT (average daily truck traffic) increases beyond that intended, as reflected by the traffic index(s) used for design, increased maintenance and repair could be required for the pavement section. LIMITATIONS The materials encountered on the project site and utilized in our laboratory study are believed to be representative of the total area. However, variations from the anticipated conditions and actual field conditions should be expected. Test excavations are reflective of the soil and rock materials only at the specific location explored. Site conditions may vary due to seasonal changes or other factors:. Since our study is based on the earth materials obtained in the field onsite, selective laboratory testing and engineering analyses, the conclusions and recommendations are professional opinions based upon those parameters. These opinions have been derived in accordance with the current standards of practice and no warranty is expressed or implied. Standards of practice are subject to change in time. Overall, the enclosed results represent our professional opinions and evaluations which were performed within the constraints of a budget. GeoSoils, Inc. assumes no responsibility or liability for work or testing performed by others. Cypress Valley LLC W.O. 2589-E-SC Tamarack Avenue, Village T-North January 7, 1999 File: e\wp7\2500\2589e.pdr Page 3 GeoSoils, Inc. RG C/D WS/J PF/mo -,... /4 . i?.S Attachments: Appendix -" GeoSoils, Inc. ,11~ Le-~- Robert G. Crisman Project Geologist, Distribution: (4) Addressee Reviewed by, 4avid W. Skelly Civil Engineer, RCE The opportunity to be of service is greatly appreciated. If you have any questions, please do not hesitate to call our office. Respectfully submitted, Cypress Valley LLC W.O. 2589-E-SC Tamarack Avenue, Village 1-North • January 7, 1999 File: e\wp72500\2589e.pdr Page 4 GeoSoils, Inc. APPENDIX REFERENCES California Department of Transportation, 1992, Caltrans, Standard Specifications, July printing. Carlsbad, City of, 1993, Standards for design and construction of Public Works Improvements in the City of Carlsbad. - NEWCON90, Computer program for the determination of asphalt pavement sections, version: April 30, 1991. PAVE, Computer program for the determination of asphalt concrete pavement sections. State of California, Department of Transpostation, 1987, Highway design manual of instructions, fourth edition. Geo1oü8s, Inc. - - - - . 0 - :. - S9 0 -. •, Geotechnical *Geologic * Environmental - 5741 Palmer Way • Carlsbad, California 92008. • (760) 438-3155 • FAX (760) 931-0915 ' November 24, 1998 * - - - - . . w.o: 2575-E-SC Cypress Valley LL6 2727-Hoover Avenue National City, California 91950. Attention Mr. Don Mitchell Subject: Pavement Design Report, Tamarack Avenue, Station 139+20 to 162+40, * Calavera Hills, Village T (South), Carlsbad, California References 1 Caltrans Standard Specifications 1992 July printing by California Department of Transportation ' 2. Standards for design and construction of Public Works Improvements in the City of Carlsbad 1993 by City of Carlsbad - • Gentlemen .,,In accordance with your request, GeoSoils, Inc. (GSl), has prepared desin and construction recommendations for asphalt concrete pavement (ACP) at the subject site. The scope of services provided in preparation of this report included subrade sampling, . . . laboratory testing and engineering analysis of pavement design. - . . .. ft - ,• - PAVEMENT DESIGN Pavement sections for ACP presented are based on resistance R"-value data determined from soils exposed at or near final subgrade elevations within the subject street areas,. and the minimum standards of the City of Carlsbad. "R"-value testing was performed in accordance with the latest revisions to the Department of Transportation, State of . - California, Material & Research Test Method No. .01. - • ... - -. . -. . - - . I -- - - - . - •. 0 . 3 0 . • 0 . - - ,- - , • 3• •, . 0 - - 0 _i ' . •1 0 - -- - ASPHALT CONCRETE PAVEMENT - Structural Section The recommended pavement sections are based on the "R"-value data and the design - -. criteria presented the City of Carlsbad (1993). The recommended pavement sections are presented ,in the following table - - - 0 - * . .3-. •'1 -- • 0 Traffic Area Traffic Index Subgrade 'R' A C Aggregate Base Value Thicknes&11 Thickness (1 . .. (inc es Station 139+20 to 6.0 31 4.0 8.0 145+00 Station 145+00 to 6.0 13 4.0 12.0 150+00 Station 150+00 to 6.0 31 4.0 8.0 162+40 City of Carlsbad minimum Denotes Class 2 Aggregate Base (R?..78, SE >22) All pavement installation, including preparation and compaction of subgrade, compaction of base material, and placement and rolling of asphaltic concrete should be done in accordance with the City of Carlsbad guidelines and under the observation and testing of the pr6ject geotechnical engineer and/or City of Carlsbad. SUBGRADE AND BASE PREPARATION Based on the anticipated use and expansion characteristics of site soil, the upper 12 inches of subgrade should be scarified, moisture conditioned to at, or near, the soils optimum moisture content and compacted to at least 95 percent of the maximum dry density. If adverse conditions are encountered during preparation of the subgrade materials, special construction methods may need to be employed. PAVEMENT CONSTRUCTION AND MAINTENANCE The recommended. pavement sections are meant as minimums. If thinner or highly variable pavement sections are constructed, increased maintenance and repair may be needed. Positive site drainage should be maintained at all times. Water should not be allowed to pond or seep into the ground. If planters or landscaping are adjacent to Paved' areas, measures should be taIen to minimize the potential for water to enter the pavement section. If the ADT (average daily traffic) or ADIT (average daily truck traffic) increases beyond that intended, as reflected by the traffic index(s) used for design, increased maintenance and repair could be required forthe pavement section. Cypress Valley LLC . W.O. 2575-E-SC Calavera Hills, Village T (South) . November 24, 1998 File: e\wp7\2500\2575e.pdr . Page 2 GeoSoits, Inc. . LIMITATIONS The materials encountered on the project site and utilized in our laboratory study are believed to be representative of the total area. However, variations from the anticipated conditions and actual field conditions should be expected. Test excavations are reflective of the soil and rock materials only at the specific location explored. Site conditions may vary due to seasonal changes or other factors. Since our study is based on the earth materials obtained in the field onsite, selective laboratory testing and engineering analyses, the conclusions and recommendations are professional opinions based upon those parameters. These opinions have been derived in accordance with the current standards of practice and no warranty is expressed or implied. Standards of practice are subject to change in time. Overall, the enclosed results represent our professional opinions and evaluations which were performed within the constraints of a budget. GeoSoils, Inc. assumes no responsibility or liability for work or testing performed by others. The opportunity to be of service is greatly appreciated. If you have any questions, please do not hesitate to call our office. Respectfully submitted, GeoSoils, Inc. ,I ( Robert G. Crisman Project Geologist, C RGC/ARK/JPF/mo Distribution: (4) Reviewed by, Albert A. Kleist Geotechnical Engineer, G A. No. 475 Ep. 0-30-01 Cypress Valley LLC W.O. 2575-E-SC Calavera Hills, Village T (South) November 24, 1998 File: e\wp7\2500\2575e.pdr Page 3 GeoSoils, Inc p .• - - - p. p r Geotechnical • Geologic • Environmental 5741 Palmer,Way Carlsbad, Califorhia 92008 • (760)438-3155 • FAX (760) 931-0915 November 17, 1998 W.0. 2577-E-SC McMillin Companies 2727 Hoover Avenue National L- National City, California 91950 - •. - . Attention: Mr. Don Mitchell Subject: avernentDesign Report, CrownCurt, Shale Court Strata Drive (sta. 10+30 to 18+00) and CavernDtve (Sta. 10+00 to 12+50), Calavera Hills, Village T South, Area 4, Carlsbad, California References: 1. California Departrhent of Transportation, 1992, Caltrans, Standard Specifications, July : printing. 2. Carlsbad, Cit' of, 1993, Standards for design and construction of Public Works Improvements in the Cty of Carlsbad. •. .. . • Gentlemen: -• 5 . . • In accordance with your request, GeoSoils, Inc. (GSI), has prepred design and -. $ .' construction recommendations for asphalt concrete pavement (ACP) at the subject site. The scope'of services provided in preparation of this report included subgrade sampling; -• laboratory testing and engineering analysis of pavement design PAVEMENT DESIGN • • . Pavement kctions for ACP presented are based on resistance "R"-value data determined from soils exposed at or near final subgrade elevations within the subject street areas, and . the minimum standards of the City of Carlsbad. R-value.tèsting was performed in. accordance with the latest revisions to the Department of Transportation, State of California, Material & Research Test Method No 301 5 .• . - •-, +_ . ASPHALT CONCRETE PAVEMENT - - Structural Section. . . • . The recommended pavement sections are based on the R-value data and the aesign i •. * criterid presented the City of Carlsbad (1993). The recommended pavement sections are • presented in thefoilowing table: • • . . '. •. • - . S p • - ...-- • - 0' •,•_ _* - *-\• ___ 1 • - .- - •- .- • t ••• • I • I -t All pavement installation, including preparation and compaction of subthde, compaction - of base material, and placement and rolling of asphaltic concrete should be done in accordance with the City of Carlsbad guidelines and under the observation and testing of the project geotechnical engineer and/or City of Carlsbad SUBGRADE AND BASE PREPARATION - r . Based on the anticipated use and expansion characteristics of site soil, the upper 12 inches of subgrade should be scarified, moisture conditioned to at, or near, the soils optimum moisture content and compacted to at least 95 percent of the maximum dry density. If adverse conditions are encountered during preparation of the subgtrade materials, special construction methods may need to be employed. - - PAVEMENT CONSTRUCTION AND MAINTENANCE --•. --• •. - The recommended pavement sections are meant as minimums. If thinner or highly. •. variable pavement sections are constructed, increased maintenance and repair may be needed. Positive site drainage should be maintained at all times. Water should not be allowed to pond or seep into the ground. If planters or landscaping are adjacent to paved areas, measures should betaken to minimize the potential for water, to enter the pavement section If the ADT (average daily traffic) or ADTT (average daily truck traffic) increases McMillin Companies 1 - - - • - W.O. 2577-E-SC Calavera Hills, Village T South, Area 4 •- - November 17, 1998 File e\wp7\2500\2577e pdr Page 2 GeoSoils, Inc. beyond that intended, as reflected by the traffic index(s) used for design, increased maintenance and repair could be required for the pavement section. LIMITATIONS The materials encountered on the project site and utilized in our laboratory study are believed to be representative of the total area. However, variations from the anticipated conditions and actual field conditions should be expected. Test excavations are reflective of the soil and rock materials only at the specific location explored. Site conditions may vary due to seasonal changes or other factors. Since our study is based on the earth materials obtained in the field onsite, selective laboratory testing and engineering analyses, the conclusions and recommendations are professional opinions based upon those parameters. These opinions have been derived in accordance with the current standards of practice and no warranty is expressed or implied. Standards of practice are subject to change in time. Overall, the enclosed results represent our professional opinions and evaluations which were performed within the constraints of a budget. GeoSoils, Inc. assumes no responsibility or liability for work or testing performed by others. The opportunity to be of service is greatly appreciated. If you have any questions, please do not hesitate to call our office. Respectfully submitted, GeoSoils, Inc. Reviewed by, , Robert G Crisman I '/ Project Geologist CE 1 No. i34 I IE(i!J2J RGC/DWS/JPF/mo \, i n'.. - - / Distribution: (4) Address (1) Jobsate ........... avid W. Skelly Civil Engineer, RC ( No. RCE47357 * \Exp. )Z/3i1?j * CIVI McMillin Companies W.O. 2577-E-SC Calavera Hills, village T South, Area 4 November 17,1998 File: e\wp7\2500\2577e.pdr Page 3 GeoSoils, Inc. •-• ,', ,4_• - .7 - 4. • •,,4' " Geotechnical. Geologu; • Environmental 5741 Palmer Way .•. Carlsbad, California 92008 • (760) 438-3155 • FAX (760)931-0915.': I - ' November 17, 1998 . . W.O. 2578-E-SC McMillin Companies 2727 Hoover,Avenue 44 cA'L •. National City, California 91950 Attention Mr. Don Mitchell 'Subject Pavement Design Report, Saddle Drive, Cavern Drive (Sta. 12+50 to 15+70), - and Caldera Place, Calavera Hills, Village T South, Area 1, Carlsbad, California , .' - - ' :- • 4 ' ', -. I - References 1 California Department of Transportation 1992 Caltrans Standard Specifications July - printing. - fl • •-' ' ". 4 '7 - 2. Carlsbad, City of, 1993, Standards for design and constrUction of Public Works' --' - Improvements in the City of Carlsbad. Gentlemen In accordance with your request, GeoSoils, Inc. (GSl), has prepared design and construction recommendations for asphalt concrete pavement (ACP) at the subject site., ' The scope of services prdvided in preparation of this report included subgrade sampling, - .• - laboratory testing, and engineering analysis of pavement design •. I'. PAVEMENT DESIGN Pavement secti6ns for, ACP presented are based on resistance'"R"-value data determined, -from soils exposed at or near final subgrade elevations within the subject Street areas, and: the minimum standards of the City of Carlsbad. R-value testing 'was performed- in • accordance with the latest revisions to the Department of Transportation, State. of California, Material & Research Test Method No. 301. , i • -. -- ,- • ' : - •, .' ' 4 , -.•_ • I , 4 • - . - - • - ASPHALT CONCRETE PAVEMENT - ..' - ••.i -. I ,• • . . ,- . - . 7 .•' 7 . Structural Section -, -The recommended pavement sections are based on -the R-valué data and the design • criteria presented the City of Carlsbad (1993). The recommended pavement sections are •. presented in the following table -- •- -, •• • I • I •' • 7' I', • I , • I •' . •• I. _ I 4 i ' •• • - , . 7' All pavement installation, including preparation and compaction of subgrade, compaction of base material, and placement and rolling of asphaltic concrete should be done in accordance with the City of Carlsbad guidelines and under the observation and testing of the project geotechnical engineer and/or City of Carlsbad SUBGRADE AND BASE PREPARATION 1. Based on the anticipated use and expansion characteristics of site soil, the upper 12 inches bf subgrade should be scarified, moisture conditioned to at, br near, the soils optimum moisture content and compacted to at least 95 percent of the maximum dry density. If adverse conditions are encountered during preparation - of the subgrade materials, special construction methods may need to be employed . PAVEMENT CONSTRUCTION AND MAINTENANCE The recommended pavement sections are meant as minimums. If .thinner or highly •. variable pavement sections are constructed, increased maintenance and repair maybe needed. Positive site drainage should be maintained at all times. Water should not be • allowed to pond or seep into the ground. If planters or landscaping are adjacent to pavd areas, measures should be taken to minimize the potential for water to enter the pavement McMu Ili n Companies W.0. 2578 E Sc calavera Hills, Village T South, Area 1 • November 17, 1998 File e\wp7\2500\2578e pdr Page 2 GeoSoils, Inc. I • .' • . section. If the ADT (average daily traffic) or ADTT (average daily truck traffic) increases beyond that intended, as reflected by the traffic index(s) used for design, increased maintenance and repair could be required for the pavement section. LIMITATIONS The materials encountered on the project site and utilized in our laboratory study are believed to be representative of the total area. However, variations from the anticipated conditions and actual field conditions should be expected. Test excavations are reflective of the soil and rock materials only at the specific location explored. Site conditions may vary due to seasonal changes or other factors. Since our study is based on the earth materials obtained in the field onsite, selective laboratory testing and engineering analyses, the conclusions and recommendations are professional opinions based upon those parameters. These opinions have been derived in accordance with the current standards of practice and no warranty is expressed or implied. Standards of practice are subject to change in time. Overall, the enclosed results represent our professional opinions and evaluations which were performed within the constraints of a budget. GeoSoils,. Inc. assumes no responsibility or liability for. work or testing performed by others. The opportunity to be of service is greatly appreciated. If you have any questions, please do not hesitate to call our office. Respectfully submitted, GeoSoils, Inc. Robert G. Crisman Project Geplogist, CE RGC/DWS/JPF/mo Distribution: (4) G. No. 1934 \ \ In7 ;e OF CL"" Reviewed by, David W. Skelly Civil Engineer, RC 1 No. RCE47857 1Y * \Exp.J2)3IJgj * C1 IL McMillin Companies W.O. 2578-E-SC Calavera Hills, Village T South, Area 1 November 17, 1998 File: e\wp7\2500\2578e.pdr Page 3 GeoSoils, Inc.