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HomeMy WebLinkAboutGeotechRoughGrading(Oct.8,2002) II e PETRA OFFICES THROUGHOUT SOUTHERN CALIFORNIA I I I II , I I I I I I I I I I I I I October 8, 2002 J.N.241-01 GREYSTONE HOMES 40980 County Center Drive, Suite 110 Temecula, California 92591 Attention: Mr. Dave Parker Subject: Geotechnical Report of Rough Grading, Lots 1 through 71, Open Space Lots 73 through 77 and Park Site "B" (Lot 78), Tract 23143-10, City of Temecula, Riverside County, California This report presents a summary of the observation and testing services provided by Petra Geotechnical, Inc. (Petra) during rough-grading operations to complete the development of Lots I through 71, Open Space Lots 73 through 77 and Park Site "B" (Lot 78) within Tract 23143-10 located in the City of Temecula, California. Conclusions and recommendations pertaining to the suitability of the grading for the proposed residential construction are provided herein, as well as foundation-design recommendations based on the as-graded soil conditions. While the grading for Lots 39,40,43 and 44 is complete, these lots are subject to settlement monitoring and are currently exempt from approval for construction. REGULATORY COMPLIANCE Cuts, removals and recompaction of unsuitable low-density surface soils, lot overexcavations and placement of compacted fill under the purview oftbis report have been completed under the observation and with selective testing by Petra. The earthwork was performed in accordance with the recommendations presented in previous geotechnical reports by Petra (see References) and in accordance with the Grading Code of the City of Temecula. PETRA GEOTECHNICAL, INC. 41640 Corning Place . Suite 107 . Murrieta . CA 92562 . Tel: (909) 600-9271 . Fax: (909) 600-9215 \ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 2 The completed earthwork has been reviewed and is considered adequate for the construction now planned. On the basis of our observations, as well as field and laboratory testing, the recommendations presented in this report were prepared in conformance with generally accepted professional engineering practices and no further warranty is implied nor made. SUMMARY OF AS-GRADED SOIL AND GEOLOGIC CONDITIONS As-Graded Conditions Geologic conditions exposed during the process of grading were frequently observed and mapped by Petra's geologic staff. A lot-by-Iot summary of soil conditions is presented in the attached Table I. Geologic Units A general description of the soil and bedrock materials encountered during grading in the subject tract is provided below. . Compacted Engineered Fill (map svmbol Afc) -- The compacted-fill soils placed onsite were derived from soil and bedrock materials. These materials generally consisted of fine- to coarse-grained sands, silty sand and sandy silts. . Quaternary Alluvium (no map symbol) -- Quaternary alluvial deposits were present within the drainages and valleys throughout Tract 23143-10. These materials consisted of light to dark brown to yellow brown silty sand, clayey sand and gravelly sand. These materials were low in density, compressible and varied from 5 to 28 feet in thickness. Low-density compressible alluvial soils were removed in cut and fill areas to expose competent saturated granular alluvium and/or competent Pauba Formation bedrock. . Quaternary Colluvium/Topsoil Undifferentiated (no map symbol) -- Quaternary topsoil and colluvial deposits blanketed the ridgelines and the lower flanks of the hillsides throughout the site. These soils consisted of brown to dark brown silty sands and clayey sands. Thickness generally varied from 2 to 12 feet. These soils 1/. ~ ~ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 3 were completely removed III cut and fill areas to expose competent Pauba Formation bedrock. . Quaternary Pauba Formation (map symbol Qps) -- Pauba Formation bedrock underlies the entire site. The bedrock was observed to vary in color from grey brown and orange brown to yellow brown. The bedrock units generally consist of thickly to massively bedded sandstone, silty sandstone and sandy siltstone. Pauba Formation sandstone was typically fine- to very coarse-grained, micaceous, poorly indurated and locally very friable. Approximately the upper 2 to 5 feet of the bedrock was noted to be weathered and to exhibit a slight to moderate degree of porosity. Below the weathered zone, the bedrock was typically noted to be damp to moist and dense to very dense. SUMMARY OF EARTHWORK OBSERVATIONS AND DENSITY TESTING Clearing and Grubbing At the time of grading, a majority of the tract was covered with a light to moderate growth of grasses and weeds. This vegetation was stripped and removed from the site prior to the beginning of rough grading. Ground Preparation Surficial materials (undocumented artificial fill, topsoil, colluvium and alluvium) were removed to expose competent Pauba Formation bedrock in cut areas and competent alluvium and Pauba Formation bedrock in fill areas prior to fill placement. Prior to placing fill, exposed bottom surfaces in all removal areas were first observed to confirm complete removal of unsuitable materials by our project geologist. Following this observation, the exposed bottom surfaces were scarified to depths of approximately 6 to 8 inches, watered or air-dried as necessary to achieve a moisture content equal to or slightly above optimum moisture content and then recompacted in- place to a minimum relative compaction of90 percent. :3 ~ ~ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 4 Lot Overexcavations To mitigate distress to residential structures related to the potential adverse effects of excessive differential settlement, the cut portion of cut/fill transition lots were overexcavated 3 to 15 feet below finish grade and replaced with compacted fill. This lot treatment occurred on Lots 1 through 4, 7 through 12, 17 through 29, 32 through 42,45 through 55, 62, 63, 65, 67 and 69 through 71 to depths presented in Table r. Fill Placement and Testing All fill soils were placed in lifts restricted to approximately 6 to 8 inches in maximum thickness, watered or air-dried as necessary to achieve near-optimum moisture conditions, mechanically mixed to a uniform moisture content and then compacted in- place to a minimum relative compaction of 90 percent based on ASTM Test Method D1557. Compaction was achieved by wheel-rolling with an 824 rubber-tired dozer and loaded scrapers. The maximum vertical depth of fill placed within the subject lots is approximately 56 feet on Lot 43. Where compacted fills are 50 feet or more (Lots 39,43 and 44), fill placed deeper than 50 feet below finished grade was compacted to a minimum of95 percent relative compaction. Field density and moisture content tests were performed in accordance with nuclear- gauge test methods ASTM Test Methods D2922 and D3017. Occasional field density tests were also performed in accordance with the sandcone method (ASTM Test Method DI556). Field density test results are presented on the attached Table II and approximate test locations are shown on the enclosed Geotechnical Map with Density Test Locations (Plates I through 3). Field density tests were taken at vertical intervals of approximately 1 to 2 feet and the compacted fills were tested at the time of placement to verify that the specified moisture content and minimum required relative cornpaction of90 percent had been ~ ~ I I I I I I I I I I I I I I I I I I I GREYS TONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 5 achieved. At least one in-place density test was taken for each 1,000 cubic yards of fill placed and/or for each 2 feet in vertical height of compacted fill. The actual number of tests taken per day varied with the project conditions, such as the number of earthmovers (scrapers) and availability of support equipment. When field density tests produced results less than the required minimum relative compaction or if the soils were found to be excessively above or below optimum moisture content, the approximate limits ofthe substandard fill were established. The substandard area was then either removed or reworked in-place. Visual classification of earth materials in the field was the basis for determining which maximum dry density value was applicable for a given density test. Single-point checks were performed to supplement visual classification. Fill Slopes Fill slopes were constructed at a 2:1 (horizontal:vertical [h:v]) slope ratio to a maximum height of approximately 62 feet within Tract 23143-10. Cut Slopes Cut slopes were constructed at a 2: 1 (h:v) or flatter slope ratio to a maximum height of approximately 16 feet within Tract 23143-10. Stabilization Fills Where highly erodible, friable sands were exposed on design cut slopes, replacement stabilization fills were constructed. This situation occurred for the slopes located at the rear of Lots 3 through 6. Keyways (20 feet wide) were excavated for each stabilization fill to a minimum depth of 2 feet below toe grade and tilted-back into slope at a minimum gradient of 2 percent. Due to the very granular nature of the backcut and the bedrock exposed in the keyway, no internal backdrains were installed. / '0 ~ ~ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 6 Settlement Monuments and Monitoring At the completion of rough grading, settlement monuments were constructed to monitor post-grading settlement of compacted fill for Lots 39, 40, 43 and 44 where fill thicknesses are 50 feet or more. The monuments were initially installed on August 22, 2002, and will be re-surveyed on a regular basis at 2- and 4-week intervals. Settlement-monitoring data will be presented in a supplementary report at a later date. Construction on Lots 39, 40, 43imd 44 within Tract 23143-10 should be temporarily delayed until data indicates that primary settlement is complete. LABORATORY TESTING Maximum Dry Density Maximum dry density and optimum moisture content for each change in soil type observed during grading were determined in our laboratory in accordance with ASTM Test Method D1557. Pertinent test values for each phase of grading are summarized in Appendix A. Expansion Index Tests Expansion index tests were performed on representative samples of soil existing at or near finish-pad grade within the subject lots. These tests were performed in accordance with ASTM Test Method D4829. Test results are also summarized in Appendix A. Soluble Sulfate Analyses Soluble sulfate analyses were determined for representative samples of soil existing at or near finish grade within the subject lots. These tests were performed in (p ~ ~ I I I I I I I I I II I I I I I I I I I GREYS TONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 7 accordance with California Test Method No. 417. Test results are summarized in Appendix A. Chloride. Resistivity and pH Analyses Water-soluble chloride concentration, resistivity and pH were determined for a selected sample in accordance with California Test Methods 922 (chloride) and 643 (resistivity and pH). The results of these analyses re summarized in Appendix A. FOUNDATION-DESIGN RECOMMENDATIONS Foundation Types Based on as-graded soil and geologic conditions, the use of conventional slab-on- ground foundations is considered feasible for the proposed residential structures. Recommended design parameters are provided herein. Allowable Soil-Bearing Capacities An allowable soil-bearing capacity of 1,500 pounds per square foot (pst) may be used for 24-inch square pad footings and 12-inch wide continuous footings founded at a minimum depth of 12 inches below the lowest adjacent final grade. This value may be increased by 20 percent for each additional foot of width or depth, to a maximum value of 2,500 psf. Recommended allowable soil-bearing values include both dead and live loads and may be increased by one-third when designing for short-duration wind and seismic forces. Anticipated Settlement Based on the general settlement characteristics of the compacted fill soils, as well as the anticipated loading, it has been estimated that the maximum total settlement of building footings will be less than approximately 0.75 inch. Maximum differential '\ ttd ~ I I I I I I I I I I I I II I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 8 settlement over a horizontal distance of 30 feet is expected to be about one-half the total settlement. The maximum anticipated differential settlement of 0.38 inch in 30 feet may be expressed as an angular distortion of 1:960. Lateral Resistance A passive earth pressure of250 psfper foot of depth to a maximum value of2,500 psf may be used to determine lateral-bearing resistance for building footings. Where structures such as masonry garden walls and retaining walls are planned on or near descending slopes, the passive earth pressure should be reduced to 150 psf per foot of depth to a maximum value of 1,500 psf. In addition a coefficient of friction of 0.40 times the dead-load forces may also be used between concrete and the supporting soils to determine lateral-sliding resistance. An increase of one-third of the above values may also be used when designing for short-duration wind and seismic forces. The above values are based on footings placed directly against compacted fill. In the case where footing sides are formed, all backfill against the footings should be compacted to a minimum of90 percent of maximum dry density. Footing Setbacks from Descending Slopes Where residential structures are proposed near the tops of descending slopes, the footing setbacks from the slope face should conform with 1997 Uniform Building Code (UBe) Figure 18-1-1. The required minimum setback is Hl3 (one-third the slope height) measured along a horizontal line projected from the lower outside face ofthe footing to the slope face. The footing setbacks should be 5 feet minimum where the slope height is 15 feet or less and vary up to 40 feet maxirnum where the slope height exceeds 15 feet. ~ ~ ~ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 9 Building Clearances From Ascending Slopes Building setbacks from ascending slopes should conform with 1997 UBC Figure 18-1-1 that requires a building clearance of Hl2 (one-half the slope height) varying from 5 feet minimum to 15 feet maximum. The building clearance is measured along a horizontal line projected from the toe of slope to the face of the building. A retaining wall may be constructed at the base of the slope to achieve the required building clearance. Footing Observations All footing trenches should be observed by a representative of Petra to verifY that they have been excavated into competent bearing soils and to the minimum embedments recommended herein. The foundation excavations should be observed prior to the placement of forms, reinforcement or concrete. The excavations should be trimmed neat, level and square. All loose, sloughed or moisture-softened soil and any construction debris should be removed prior to placing concrete. Excavated soils derived from footing and utility trench excavations should not be placed in slab-on-ground areas unless the soils are compacted to a minimum of 90 percent of maximum dry density. Expansive Soil Considerations , Results of laboratory tests indicate onsite soil and bedrock materials exhibit VERY LOW, LOW and MEDIUM expansion potentials as classified in accordance with 1997 Uniform Building Code (UBC) Table 18-I-B. A lot-by-Iot breakdown for the different levels of expansion is provided below. q ttA ~ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 10 . VeIY Low Expansion Potential - Lots 1 through 3, 13 through 15, 40 through 44, 52 through 64 and 68 through 71 . Low Expansion Potential - Lots 4 through 12, 16 through 23, 27 through 34, 45 through 51 and 65 through 67 . Medium Expansion Potential - Lots 24 through 26 and 35 through 39 Design and construction details for the various levels of expansion potential are provided in the following sections. Very Low Expansion Potential (Expansion Index of20 or less) The following recommendations pertain to as-graded lots where the foundation soils exhibit a VERY LOW expansion potential as classified in accordance with 1997 UBC . Table 18-I-B. For soils exhibiting expansion indices of less than 20, the design of slab-on-ground foundations is exempt from the design for expansive soil conditions, as indicted in 1997 UBC Section 1806.2. Based on this soil condition, it is recommended that footings and floors be constructed and reinforced in accordance with the following rninimum criteria. However, additional slab thickness, footing sizes and/or reinforcement should be provided as required by the project architect or structural engineer. . Footings - Exterior continuous footings may be founded at the minimum depths indicated in 1997 UBC Table 18-I-C (i.e., 12-inch minimum depth for one-story and 18- inch minimum depth for two-story construction). Interior continuous footings for both one- and two-story construction may be founded at a minimum depth of 12 inches below the lowest adjacent grade. All continuous footings should have a minimum width of 12 and 15 inches, for one- and two-story buildings, respectively and should be reinforced with two No.4 bars, one top and one bottom. \0 ~ ~ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 11 _ Exterior pad footings intended for the support of roof overhangs, such as second-story decks, patio covers and similar construction, should be a minimum of 24 inches square and founded at a minimum depth of 18 inches below the lowest adjacent final grade. No special reinforcement of the pad footings will be required. . Floor Slabs _ Living-area concrete-floor slabs should be 4 inches thick and reinforced with either 6-inch by 6-inch, No.6 by No.6 welded-wire fabric (6x6-W2.9xW2.9 WWF) or with No.3 bars spaced a maximum of24 inches on center, both ways. All slab reinforcement should be supported on concrete chairs or bricks to ensure the desired placement near mid-depth. _ Living-area concrete-floor slabs should be underlain with a moisture-vapor barrier consisting of a polyvinyl chloride membrane, such as 6-mil Visqueen or equivalent. All laps within the membrane should be sealed and at least 2 inches of clean sand be placed over the membrane to promote uniform curing of the concrete. - Garage-floor slabs should be 4 inches thick and should be reinforced in a similar manner as living-area floor slabs. Garage-floor slabs should also be placed separately from adjacent wall footings with a positive separation maintained with 3/8-inch-minimum, felt expansion-joint materials and quartered with weakened-plane joints. A 12-inch-wide grade beam founded at the same depth as adj acent footings should be provided across garage entrances. The grade beam should be reinforced with a minimum of two No.4 bars, one top and one bottom. - Prior to placing concrete, the subgrade soils below all concrete slab-on-ground should be prewatered to promote uniform curing of the concrete and minimize the development of shrinkage cracks. Low Expansion Potential (Expansion Index of 21 to 50) The following recommendations pertain to as-graded lots where the foundation soils exhibit a LOW expansion potential as classified in accordance with 1997 UBC Table 18-I-B. 1997 UBC Section 1806.2 specifies that slab-on-ground foundations resting on soils with an expansion index greater than 20 require special design \\ ~ ~ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 12 considerations in accordance with 1997 UBC Chapter 18, Division III (Sections 1815 or 1816) or an engineered design based on geotechnical recommendation as approved by the building official. If utilized, the design procedures outlined in 1997 UBC Section 1815 are based on the thickness and plasticity index of each different soil type existing within the upper 15 feet of the building site. We recommend using an assumed effective plasticity index of5, as defined in 1997 UBC Section 1815.4.2. The design and construction recommendations that follow may be considered for minimizing the effects of slightly (LOW) expansive soils. These recommendations have been based on the previous experience of Petra on projects with similar soil conditions rather than the design criteria detailed in 1997 UBC Section 1815. Although construction performed in accordance with these recommendations has been found to minimize post-construction movement and/or cracking, they generally do not positively mitigate all potential effects of expansive soil action. The owner, architect, design civil engineer, structural engineer and contractors must be made aware of the expansive-soil conditions which exist at the site. Furthermore, it is recommended that additional slab thicknesses, footing sizes and/or reinforcement more stringent than recommended below be provided as required or specified by the project architect or structural engineer. . Footings - Exterior continuous footings may be founded at the minimum depths indicated in 1997 UBC Table 18-I-C (i.e., 12-inch minimum depth for one-story and 18- inch minimum depth for two-story construction). Interior continuous footings for both one- and two-story construction may be founded at a minimum depth of 12 inches below the lowest adjacent grade. All continuous footings should have a minimum width of 12 and 15 inches, for one- and two-story buildings, respectively and should be reinforced with two No.4 bars, one top and one bottom. \2- ~ ~ I I I I I I I I I I I I I I I I I I I GREYS TONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 13 - Exterior pad footings intended for the support of roof overhangs, such as second-story decks, patio covers and similar construction, should be a minimum of 24 inches square and founded at a minimum depth of 18 inches below the lowest adjacent final grade. The pad footings should be reinforced with No.4 bars spaced a maximum of 18 inches on centers, both ways, near the bottom- third ofthe footings. . Floor Slabs - Unless a more stringent design is recommended by the architect or the structural engineer, we recommend a minimum slab thickness of 4 inches for both living- area and garage-floor slabs and reinforcing consisting of either 6-inch by 6-inch, No.6 by No.6 welded-wire fabric (6x6-W2.9xW2.9 WWF) or No.3 bars spaced a maximum of 18 inches on centers, both ways. All slab reinforcement should be supported on concrete chairs or bricks to ensure the desired placement near mid-height. _ Living-area concrete-floor slabs should be underlain with a moisture-vapor barrier consisting of a polyvinyl chloride membrane, such as 6-mil Visqueen or equivalent. All laps within the membrane should be sealed and at least 2 inches of clean sand be placed over the membrane to promote uniform curing of the concrete. - Garage-floor slabs should also be placed separately from adjacent wall footings with a positive separation maintained with 3/8-inch-minimum, felt expansion- joint materials and quartered with weakened-plane joints. A 12-inch wide grade beam founded at the same depth as adjacent footings should be provided across garage entrances. The grade beam should be reinforced with a minimum of two No.4 bars, one top and one bottom. - Prior to placing concrete, the sub grade soils below all living-area and garage- floor slabs should be pre-watered to achieve a moisture content that is at least equal to or slightly greater than optimum-moisture content. This moisture content should penetrate to a minimum depth of 12 inches into the subgrade soils. Medium Expansion Potential (Expansion Index of 51 to 90) The following recommendations pertain to as-graded lots which would exhibit a MEDIUM expansion potential as classified in accordance with 1997 UBC \~ tt1 ~ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 14 Table 18-I-B. The design criteria specified in 1997 UBC Section 1815 for expansive soil conditions is the same as indicated in the previous section with the exception of recommending an assumed an effective plasticity index of 15 as defined in 1997 UBC Section 1815.4.2. The design and construction recommendations that follow may be considered for minimizing the effects of moderately expansive soils. These recommendations have been based on the previous experience of Petra on projects with similar soil conditions rather than the design criteria detailed in 1997 UBC Section 1815. Although construction performed in accordance with these recommendations has been found to minimize post-construction movement and/or cracking, they generally do not positively mitigate all potential effects of expansive soil action. The owner, architect, design civil engineer, structural engineer and contractors must be made aware of the expansive-soil conditions which exist at the site. Furthermore, it is recommended that additional slab thicknesses, footing sizes and/or reinforcement more stringent than recommended below be provided as required or specified by the project architect or structural engineer. . Footings - Exterior continuous footings for both one- and two-story construction should be founded at a minimum depth of 18 inches below the lowest adjacent final grade. Interior continuous footings may be founded at a minimum depth of 12 inches below the lowest adjacent grade for both one- and two-story construction. All continuous footings should have a minimum width of 12 and 15 inches, for one- and two-story buildings, respectively, and should be reinforced with two No.4 bars, one top and one bottom. Exterior pad footings intended for the support of roof overhangs, such as second story decks, patio covers and similar construction, should be a minimum of24 inches square and founded at a minimum depth of 18 inches below the lowest adjacent final grade. The pad footings should be reinforced with NO.4 bars A ~ I I I I I I I I I I I I I I- I I I I I GREYS TONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 15 spaced a maximum of 18 inches on centers, both ways, near the bottom one- third of the footings. - Interior isolated pad footings supporting raised-wood floors should be a minimum of24 inches square and founded a minimum depth of 18 inches below the lowest adjacent final grade. The pad footings should be reinforced with No. 4 bars spaced a maximum of 18 inches on centers, both ways, near the bottom one-third of the footings. . Floor Slabs - Unless a more stringent design is recommended by the architect or the structural engineer, we recommend a minimum slab thickness of 4 inches for both living- area and garage-floor slabs and reinforcing consisting of No.3 bars spaced a maximum of 18 inches on centers, both ways. All slab reinforcement should be supported on concrete chairs or bricks to ensure the desired placement near mid- height. - Living-area concrete-floor slabs should be underlain with a moisture-vapor barrier consisting of a polyvinyl chloride membrane, such as 6-mil Visqueen or equivalent. All laps within the membrane should be sealed and at least 2 inches of clean sand be placed over the membrane to promote uniform curing of the concrete. - Garage-floor slabs should also be placed separately from adjacent wall footings with a positive separation maintained with 3/8-inch-minimum, felt expansion- joint materials and quartered with weakened-plane joints. A 12-inch-wide grade beam founded at the same depth as adjacent footings should be provided across garage entrances. The grade beam should be reinforced with a minimum of two No.4 bars, one top and one bottom. Prior to placing concrete, the subgrade soils below all living-area and garage- floor slabs should be pre-watered to achieve a moisture content that is 5 percent or greater than optimum-moisture content. This moisture content should penetrate to a minimum depth of 18 inches into the subgrade soils. ,-5: ~ ~ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 16 SEISMIC COEFFICIENTS Structures within the site should be designed and constructed to resist the effects of seismic ground motions, as provided in 1997 UBC Sections 1626 through 1633. The following table presents the seismic coefficients for the site. A more complete discussion of seismic design considerations is presented in our referenced grading-plan review report (see References). I 199'itJ'BG''I'ABDE..''. I FACTOR I Figure 16-2 Seismic Zone 4 16-1 Seismic Zone Factor Z 0.4 16-U Seismic Source Type B 16-J Soil Profile Type SD 16-S Near-Source Factor Na 1.0 16-T Near-Source Factor Nv 1.2 16-Q Seismic Coefficient C, 0.44 N, ~ 0.44 16-R Seismic Coefficient C 0.64 N, ~ 0.77 RETAINING WALLS Footing Embedments The base of retaining-wall footings constructed on level ground may be founded at a minimum depth of 12 inches below the lowest adjacent final grade. Where retaining walls are proposed on or within 15 feet from the top of any adjacent descending fill slope, the footings should be deepened such that a minimum horizontal setback ofHl3 (one-third the slope height) is maintained between the outside bottom edges of the footings and the slope face; however, the minimum footing setback should be 5 feet. The above-recommended minimum footing setbacks are preliminary and may require revision based on site-specific soil and/or bedrock conditions. All footing trenches \0 ~ ~ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 17 should be observed by the project geotechnical consultant to verifY that the footing trenches have been excavated into competent-bearing soils and/or bedrock and to the minimum embedments recommended above. These observations should be performed prior to placing forms or reinforcing steel. Active and At-Rest Earth Pressures An active lateral-earth pressure equivalent to a fluid having a density of 40 pounds per cubic foot (pcf) should tentatively be used for design of cantilevered walls retaining a drained, level backfill. Where the wall backfill slopes upward at 2: 1 (h:v), the above value should be increased to 63 pcf. All retaining walls should be designed to resist any surcharge loads imposed by other nearby walls or structures in addition to the above active earth pressures. For design of retaining walls that are restrained at the top, an at-rest earth pressure equivalent to a fluid having density of 60 pcf should tentatively be used for walls supporting a level backfill. This value should be increased to 95 pcf for an ascending 2: 1 (h:v) backfill. Drainage A perforated pipe-and-gravel subdrain should be installed behind all retaining walls to prevent entrapment of water in the backfill. Perforated pipe should consist of 4-inch minimum diameter PVC Schedule 40 or ABS SDR-35, with the perforations laid down. The pipe should be ernbedded in 1.5 cubic feet per foot of 0.75- to 1.5-inch open-graded gravel wrapped in filter fabric. Filter fabric may consist of Mirafi 140N or equivalent. In lieu of a pipe-and-gravel subdrain, weepholes or open vertical masonry joints may be considered for retaining walls not exceeding a height of approximately 3 feet. \1 ~ ~ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 18 Weepholes, if used, should be 3 inches minimum diameter and provided at minimum intervals of 6 feet along the wall. Open vertical masonry joints, if used, should be provided at 32-inch minimum intervals. A continuous gravel fill, 12 inches by 12 inches, should be placed behind the weepholes or open masonry joints. The gravel should be wrapped in filter fabric to prevent infiltration of fines and subsequent clogging ofthe gravel. Filter fabric may consist of Mirafi 140N or equivalent. The backfilled portions of retaining walls should be coated with an approved waterproofing compound to inhibit infiltration of moisture through the walls. Temporarv Excavations To facilitate retaining-wall construction, the lower 5 feet of temporary slopes may be cut vertical and the upper portions exceeding a height of 5 feet should then be cut back at a maximum gradient of 1: I (h:v) for the duration of construction. However, all temporary slopes should be observed by the proj ect geotechnical consultant for any evidence of potential instability. Depending on the results of these observations, flatter temporary slopes may be necessary. The potential effects of various parameters such as weather, heavy equipment travel, storage near the tops of the temporary excavations and construction scheduling should also be considered in the stability of temporary slopes. Wall Backfill All retaining-wall backfill should be placed in 6- to 8-inch maximum lifts, watered or air-dried as necessary to achieve near-optimum-moisture conditions and compacted in place to a minimum relative compaction of90 percent. \8 ~ ~ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 19 MASONRY GARDEN WALLS Construction on or Near the Tops of Descending Slopes Continuous footings for masonry garden walls proposed on or within 7 feet from the top of any descending slope should be deepened such that a minimum horizontal clearance of 5 feet is maintained between the outside bottom edge of the footing and the slope face. The footings should be reinforced with a minimum of two No.4 bars, one top and one bottom. Plans for any top-of-slope block walls proposing pier and grade-beam footings should be reviewed by Petra prior to construction. Construction on Level Ground Where masonry garden walls are proposed on level ground and at least 5 feet from the tops of descending slopes, the footings for these walls may be founded at a minimum depth of 12 inches below the lowest adjacent final grade. These footings should also be reinforced with a minimum of two No.4 bars, one top and one bottom. Construction Joints In order to mitigate the potential for unsightly cracking related to the effects of differential settlement, positive separations (construction joints) should be provided in the walls at horizontal intervals of approximately 25 feet and at each corner. The separations should be provided in the blocks only and not extend through the footings. The footings should be placed monolithically with continuous rebars to serve as effective "grade beams" along the full lengths of the walls. \'\, ~ ~ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 20 CONCRETEFLATWORK Thickness and Joint Spacing To reduce the potential of unsightly cracking, concrete sidewalks and patio-type slabs should be at least 3.5 inches thick and provided with construction or expansion joints every 6 feet or less. Concrete driveway slabs should be at least 4 inches thick and provided with construction or expansion joints every 10 feet or less. Subgrade Preparation As a further measure to minimize cracking of concrete flatwork, the sub grade soils below concrete-flatwork areas should first be compacted to a minimum relative density of 90 percent and then thoroughly wetted to achieve a moisture content that is at least equal to or slightly greater than optimum moisture content. This moisture should extend to a depth of 12 inches below subgrade and maintained in the soils during placement of concrete. Pre-watering of the soils will promote uniform curing of the concrete and minimize the development of shrinkage cracks. A representative of the project soils engineer should observe and verify the density and moisture content of the soils and the depth of moisture penetration prior to placing concrete. Cement Type Results of laboratory tests performed on representative samples indicate that of the onsite soils contain from extremely low amounts (undetectable) to 0.01 percent water soluble sulfates. Therefore, according to 1997 UBC Table 19-A-4, Types I or 11 Portland cement will be satisfactory for concrete placed in contact with the onsite soils. 2t:> ~ ~ I I I GREYS TONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 21 I Soil Corrosivity I I Representative soil samples have been tested to determine the potential for corrosion of metal pipes due to the soils on the site. The test results indicate that the soils are generally moderately corrosive to buried metal pipes in direct contact with soil I I This conclusion is based on the following corrosive potential from resistivity level readings. I j I Representative soil samples have been tested to determine chloride exposure for reinforcing steel within the site soils. The test results indicate that the soils have a mild chloride exposure. PLANTERS I i Area drains should be extended into all planters that are located within 5 feet of building walls, foundations, retaining walls and masonry garden walls to minimize excessive infiltration of water into the adjacent foundation soils. The surface ofthe ground in these areas should also be sloped at a minimum gradient of 2 percent away from the walls and foundations. Drip-irrigation systems are also recommended to prevent overwatering and subsequent saturation of the adjacent foundation soils. . UTILITY TRENCHES -. . I . All utility-trench backfill within street right-of-ways, utility easements, under sidewalks, driveways and building-floor slabs, as well as within or in proximity to slopes should be compacted to a minimum relative density of 90 percent. Where onsite soils are utilized as backfill, mechanical compaction will be required. Density testing, along with probing, should be performed by the project soils engineer or his representative, to verifY proper compaction. - . Zl ~ ~ . I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 22 For deep trenches with vertical walls, backfill should be placed in approximately 1- to 2-foot thick maximum lifts and then mechanically compacted with a hydra-hanuner, pneumatic tampers or similar equipment. For deep trenches with sloped-walls, backfill materials should be placed in approximately 8- to 12-inch thick maximum lifts and then compacted by rolling with a sheepsfoot tamper or similar equipment. As an alternative for shallow trenches where pipe may be damaged by mechanical compaction equipment, such as under building-floor slabs, imported clean sand having a sand equivalent value of 30 or greater may be utilized and jetted or flooded into place. No specific relative compaction will be required; however, observation, probing and, if deemed necessary, testing should be performed. To avoid point-loads and subsequent distress to clay, cement or plastic pipe, imported sand bedding should be placed at least I foot above all pipe in areas where excavated trench materials contain significant cobbles. Sand-bedding materials should be thoroughly jetted prior to placement of backfill. Where utility trenches are proposed parallel to any building footing (interior and/or exterior trenches), the bottom of the trench should not be located within a 1:1 (h:v) plane projected downward from the outside bottom edge of the adjacent footing. SLOPE LANDSCAPING AND MAINTENANCE The engineered slopes within the subject tract are considered grossly and surficially stable and are expected to remain so under normal conditions provided the slopes are landscaped and maintained thereafter in accordance with the following minimum recommendations. . Compacted-earth berms should be constructed along the tops of the engineered fill slopes to prevent water from flowing directly onto the slope surfaces. z"t--.: ~ ~ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 23 . The slopes should be landscaped as soon as practical when irrigation water is available. The landscaping should consist of deep-rooted, drought-tolerant and maintenance-free plant species. A landscape architect should be consulted to determine the most suitable groundcover. If landscaping cannot be provided within a reasonable period of time, jute matting (or equivalent) or a spray-on product designed to seal slope surfaces should be considered as a temporary measure to inhibit surface erosion until such time permanent landscape plants have become well-established. . Irrigation systems should be installed on the engineered slopes and a watering program then implemented which maintains a uniform, near-optimum moisture condition in the soils. Overwatering and subsequent saturation of the slope soils should be avoided. On the other hand, allowing the soils to dry-out is also detrimental to slope performance. . Irrigation systems should be constructed at the surface only. Construction of sprinkler lines in trenches is not recommended. . During construction of any terrace drains, downdrains or earth berms, care must be taken to avoid placement ofloose soil on the slope surfaces. . A permanent slope-maintenance program should be initiated for major slopes not maintained by individual homeowners. Proper slope maintenance must include the care of drainage and erosion control provisions, rodent control and repair of leaking or damaged irrigation systems. . Provided the above recommendations are followed with respect to slope drainage, maintenance and landscaping, the potential for deep saturation of slope soils is considered very low. . Property owners should be advised of the potential problems that can develop when drainage on the building pads and adjacent slopes is altered in any way. Drainage can be altered due to the placement of fill and construction of garden walls, retaining walls, walkways, patios, swimming pool, spas and planters. 2:7:? ~ ~ I I I I I I I I I I- I .J I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 24 POST-GRADING OBSERVATIONS AND TESTING Petra should be notified at the appropriate times in order that we may provide the following observation and testing services during the various phases of post grading construction. . Building Construction - Observe all footing trenches when first excavated to verify adequate depth and competent soil-bearing conditions. - Re-observe all footing trenches, if necessary, if trenches are found to be excavated to inadequate depth and/or found to contain significant slough, saturated or compressible soils. Observe pre-soaking of subgrade soils below living-area and garage floor slabs to verify adequate moisture content and penetration. . Retaining-Wall Construction - Observe all footing trenches when first excavated to verify adequate depth and competent soil-bearing conditions. - Re-observe all footing trenches, if necessary, if trenches are found to be excavated to inadequate depth and/or found to contain significant slough, saturated or compressible soils. - Observe and verifY proper installation of subdrainage systems prior to placing wall backfill. - Observe and test placement of all wall backfill to verify adequate compaction. . Masonry Wall Construction - Observe all footing trenches when first excavated to verify adequate depth and competent soil-bearing conditions. - Re-observe all footing trenches, if necessary, if trenches are found to be excavated to inadequate depth and/or found to contain significant slough, saturated or compressible soils. z.\ ~ ~ I I I I I I I I I I I I I I I I I I I GREYSTONE HOMES TR 23143-10/Temecula October 8, 2002 J.N.241-01 Page 25 . Exterior Concrete- Flatwork Construction _ Observe and test subgrade soils below all concrete- flatwork areas to verifY adequate compaction and moisture content. . Utility-Trench Backfill _ Observe and test placement of all utility-trench backfill to verifY adequate compaction. . Re-Gradin~ _ Observe and test placement of any fill to be placed above or beyond the grades shown on the approved grading plans. This opportunity to be of service is sincerely appreciated. If you have any questions, please contact this office. Respectfully submitted, ~?' ... /Gray~on'R. Walke Senior Associate En U' GE 871 Attachments: Table I - Lot-By-Lot Summary of As-Graded Soil Conditions Table II - Field Density Test Results References Plates I - 3 - Geotechnical Maps with Density Test Locations (in pocket) Appendix A - Laboratory Test Criteria/Laboratory Test Data Distribution: (6) Addressee Z-6 ~ ~ I I I I I I I I I I I I I I I I I I I z = ::; 0; ;:;: :;: :;; ;::; - :; ~ 00 -.J 0, ~ ... w N - 8 t"' - <:r~ " ~ ::1::: =" :;; w ... ... N :; :; :0 :; ~ ~ 0 0 w 00 N w ~t:l ~. ... -.J 00 0 ... ... ':tll5! -= = 5'8 ..., S! <:r ~ :0 N w :; ;::; :0 -t;O ~;" -.J -.J N ~ ~ ~ ~ ... ... 0 0 0 ... S 5':: ~ -= " - ~ -. ~ !:. ~2~ - ~:;:t~ (0 (0 (0 (0 (0 (0 (0 (0 (0 (0 (0 (0 (0 (0 (0 (0 _ I'll -. ~ " ~ 8 0, 0, c- o, c- c- o, 0, 0, c- c- c- c- o, c- c- c- 8 " " 0 0 0 0 0 0 co 0 0 0 0 0 0 0 0 0 0 " = - = c. I'll -!.Q.. 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'" i '" v - :.;. 00 "" "tJ iii co 7l - "" I I I I I I I I I I I I I I I I I I I TABLE II Field Density Test Results 04/08/02 04/08/02 04/08/02 04/08/02 04/09/02 04/11/02 04/11/02 04/12/02 04/12/02 04/12/02 04/12/02 04/12/02 04/12/02 04/12/02 04/15/02 04/15/02 04/15/02 04/15/02 04/16/02 04/16/02 04/16/02 04/16/02 04/16/02 04/16/02 04/16/02 04/16/02 04/17/02 04/17/02 04/1 7/02 04/IS/02 04/18/02 04/18/02 04/18/02 04/18/02 04/19/02 04/19/02 04/22/02 04/22/02 04/22/02 04/22/02 04/22/02 04/25/02 1226 TR 26941/Lot 16 slope 1230 RTNo.1226 1233 TR 26941/Lot 16 slope 1234 Wolfe St/Sta 12+15 1332 Wolfe St/Sta 13+05 1433 Wolfe St/Sta 13+25 1439 Wolfe St/Sta 12+70 1440 TR 26941/Lot 16 slope 1441 TR 26941/Lot 16 slope 1442 TR 26941/Lot 16 slope 1443 RT No. 1442 1444 TR 26941/Lot 16 slope 1551 TR 26941/Lot 16 1552 RT No. 1551 1568 TR23143-10/ParkB 1569 Wolfe St/Sta 11+65 1572 RT No. 1569 1573 RTNo.1572 1613 TR23143-10/ParkB 1614 TR23143-10/ParkB 1615 TR23143-10/ParkB 1657 TR 26941/Lot 16 slope 1658 TR 26941/Lot 16 slope 1659 TR 26941/Lot 16 slope 1674 TR 26941/Lot 16 slope 1675TR 23143-IO/Park B 1728 Wolfe St/Sta 12+20 1729 TR 26941 /Lot 16 slope 1739 TR 26941/Lot 16 slope 1744 TR26941/Lot 16 slope 1745 TR 26941/Lot 16 slope 1750 TR 26941/Lot 16 slope NGl829 TR 29641/Lot 12 keyway NG1830 TR 29641/Lot 12 keyway 1841 TR26941/ParkB 1842 TR 26941/Park B 1910 Wolfe RdlSta 12+60 1911 TR26941/ParkB 1912 Wolfe Rd/Sta 11+40 NG1919 TR23143-IO/Lot40 NGl920 TR23143-10/Lot40 2035 TR 26941/Park B 1223.0 1225.0 1226.0 1229.0 1231.0 1233.0 1234.0 1233.0 1234.0 1237.0 1238.0 1250.0 1239.0 1253.0 1251.0 1250.0 1243.0 1244.0 1242.0 1247.0 1246.0 1245.0 1246.0 1250.0 1247.0 1254.0 1251.0 1212.0 1217.0 1256.0 1255.0 1252.0 1256.0 1255.0 1231.0 1239.0 1257.0 11.1 10.9 10.5 11.5 12.8 11.1 10.5 12.8 10.9 12.1 11.7 9.4 12.0 11.8 9.2 9.8 10.9 9.9 9.8 10.1 10.3 15.0 12.2 13.5 11.5 10.3 10.3 9.2 13.7 lOA 11.1 12.7 13.6 10.6 12.3 10.7 12.1 12.0 11.1 14.7 12.3 12.5 PETRA GEOTECHNICAL, INC. J.N.241-01 NG 85% required/* Sandcone ** 95% required 123.1 92** 12 128.9 97** 12 123.8 97** 9 123.0 96** 9 119.8 95 8 122.1 95** 3 128.3 96** 12 120.3 91** 2 124.0 92** 12 120.1 92** 4 118.3 95** 10 123.5 92 12 122.4 92** 12 12S.8 96** 12 122.8 92 II 123.0 92** 11 122.7 92** 11 127.2 95** 11 123.6 93 11 124.5 93 11 124.9 93 11 114.5 91 8 119.5 92 4 117.8 90 4 123.6 93 12 122.9 92 12 124.1 93 12 122.4 92 12 116.1 91 9 122.6 92 12 119.9 92 4 120.1 90 12 112.8 86 4 122.4 92 12 121.4 91 12 123.5 93 12 122.5 92 12 121.6 91 12 123.2 92 12 113.6 87 4 108.3 87 6 119.7 91 2 OCTOBER 2002 '?/\ T ABLE-II 1 I I I I I I I I I I I I I I I I I I I TABLE II Field Density Test Results ~~~~'IMIi1~~tlf~'fi.~~~p~~!;I.I~~r!~Q!!li ...t:tiA$S.. ...IN(1!I..tt ....ttI.COGAOOiQNtII...(tt) IiItt~%)tt...............ti...(~~Q .............................i{$i)....ItOOlfflEI 04/25/02 04/25/02 04/25/02 04/25/02 04/25/02 04/25/02 04/25/02 04/25/02 04/25/02 04/25/02 04/25102 04/25/02 04/29/02 04/29/02 04/29/02 04/29/02 04/30/02 04/30/02 04/30/02 04/30/02 04/30/02 04/30102 04/30/02 04/30/02 04/30/02 04/30/02 05/01/02 05/01/02 05/01/02 05/01/02 05/01/02 05/01/02 05/01/02 05/01/02 05/01/02 05/01/02 05/01/02 05/01/02 05/01/02 05/01/02 05/01/02 05/01/02 2036 TR 26941IPark B 2037 Crowne HiJI/Sta 60+50 2038 Crowne HiJI/Sta 60+75 2041 Wolfe/Sta 12+20 2042 Wolfe/Sta 12+55 NG2047 TR 26941/Lots 11-12 slope NG2048 TR 269411L0t 12 slope NG2049 TR 269411L0t 12 slope NG2050 TR 26941ILot 12 slope NG2051 TR 23143-1 OlLot 43 NG2052 TR23143-10/Lot43 NG2053 TR 23143-lOlLots 43-44 2060A Crowne HiJI/Sta 60+30 2061A Crowne Hill/Sta 60+ 15 2066A TR 26941IPark B 2067 A TR 26941IPark B 2101 TR 26941/Lot II slope 2102 TR 26941/Lot II slope 2103 TR 23143-101Lot 43 2104 TR23143-101L0t44 211 I TR 269411L0t 12 2112 TR 269411L0t 12 2113 TR 269411L0t II 2114 TR 269411L0t 11 2115 TR23143-101L0t43 2116 Wyannotte/Sta 33+95 2119 TR23143-101L0t44 2120 TR23143-101L0t44 2121 TR23143-101L0t43 2122 TR23143-10/Lot43 2123 Royal Crest/Sta 32+00 2124 Royal Crest/Sta 31+80 2125 TR23143-101L0t43 2226 TR 23143-1 OlLot 43 2227 TR 26941/Lot 12 slope 2228 TR 269411L0t 12 slope 2229 TR 26941ILot 12 slope 2230 TR 269411L0t 12 slope 2231 TR 26941ILot 12 slope 2232 TR 269411L0t 12 slope 2233 TR 23143-101L0t 30 2234 TR 23143-101L0t 30 1258.0 1264.0 1262.0 1254.0 1253.0 1228.0 1228.0 1225.0 1224.0 1225.0 1228.0 1222.0 1267.0 1265.0 1266.0 1265.0 1228.0 1227.0 1230.0 1229.0 1213.0 1215.0 1227.0 1228.0 1231.0 1232.0 1230.0 1230.0 1231.0 1232.0 1233.0 1234.0 1233.0 1232.0 1225.0 1224.0 1220.0 1221.0 1223.0 1224.0 1235.0 1236.0 11.0 12.5 11.4 10.9 11.7 15.0 20.4 13.2 17.9 19.6 20.4 15.9 9.4 9.8 10.8 10.9 12.2 12.6 11.6 12.2 9.8 10.5 9.7 9.2 11.9 11.4 8.6 10.5 8.6 9.7 10.8 11.1 12.8 13.3 12.2 11.3 11.9 12.7 10.8 11.3 11.7 10.4 PETRA GEOTECHNICAL, INC. J.N.241-01 NG 85% required/* Sandcone ** 95% required 124.3 93 12 122.7 92 12 123.6 93 12 120.9 92 2 120.4 91 2 108.0 86 6 103.6 86 13 115.4 88 4 108.9 87 6 108.8 87 6 110.1 88 6 111.1 89 6 119.3 90 2 120.6 91 2 120.9 91 12 123.5 93 12 124.1 95** 4 125.3 96** 4 117.8 90 4 119.7 92 4 117.3 90 4 119.1 91 4 119.1 91 4 118.6 91 4 120.8 90 12 121.1 91 12 124.8 93 12 123.7 93 12 121.6 91 .12 124.0 93 12 118.9 90 2 122.2 92 12 114.3 92 10 115.7 93 10 119.3 90 2 120.8 92 2 119.9 91 2 121.0 92 2 122.6 92 12 124.1 93 12 122.6 92 12 120.9 91 12 OCTOBER 2002 TABLE-II 2 ?t- I I I !1'Es!f? ...............~. ..inl\wE ..NQ( I I I I I I I I I I I I I I I I 05/01/02 05/01/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/02/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 05/03/02 TABLE II Field Density Test Results 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2326 ....-....,-........c....... \tJjjs!f? ..-......,.....,.,..-.'.....-..........-...,........,...-.'.-.-.-..,-.-............ . EOCATlON ..................-.-----............... TR 26941ILot 12 slope TR 26941ILot 12 slope TR 23143-10ILot 43 Wyandotte St/Sta 33+70 TR 26941ILot 12 slope TR 23143-1 OILot 43 TR 26941/Lot 12 slope TR 26941ILot 12 slope TR 26941ILot 12 slope TR 26941ILot 12 slope TR 26941ILot 12 slope TR 26941ILot 12 slope TR 26941/Lot 12 slope TR 23143-IOILot 43 Wyandotte St/Sta 33+05 TR 23143-10/Lot 64 TR 26941ILot 12 slope TR 26941ILot 12 slope TR 26941ILot 12 slope TR 26941ILot 12 slope Royal CrestlSta 31 +95 Royal CrestlSta 31 +70 TR 23143-10/Lot 31 TR 23143-10/Lot 31 TR 26941ILot 12 slope TR 23143-10ILot 43 TR 26941/Lot 12 slope TR 26941ILot 12 slope TR 26941ILot 13 slope TR 26941/Lot 12 slope RT No. 2257 RT No. 2258 TR 26941ILot 13 slope TR 26941ILot 12 slope TR 23143-10/Lot 64 TR 23143-10/Lot 64 TR 23143-IOILot 30 TR 23143-1 OILot 30 TR 26941/Lot II slope TR 26941/Lot II slope TR 26941ILot 12 slope TR 26941ILot 12 ~~llrlllrlW;l;finllrl)IL' 1231.0 1232.0 1233.0 1234.0 1233.0 1234.0 1224.0 1223.0 1229.0 1230.0 1225.0 1226.0 1233.0 1234.0 1237.0 1238.0 1227.0 1228.0 1228.0 1229.0 1239.0 1240.0 1241.0 1242.0 1237.0 1238.0 1228.0 1229.0 1229.0 1230.0 1233.0 1232.0 1245.0 1246.0 1243.0 1244.0 1239.0 1238.0 1231.0 1232.0 12.0 123.4 92 12 10.3 121.7 91 12 11.3 119.9 90 12 12.0 120.8 90 12 9.8 125.4 94 12 10.3 122.9 92 12 10.6 126.0 94 12 10.6 124.3 93 12 9.8 124.1 93 12 10.7 122.4 92 12 10.5 121.0 91 12 11.4 122.8 92 12 10.2 121.3 91 12 11.0 120.5 90 12 12.0 123.9 93 12 11.3 125.1 94 12 10.2 121.9 91 12 9.7 120.5 90 12 11.7 123.5 93 12 10.9 122.1 91 12 10.1 121.0 91 12 11.3 122.6 92 12 6.6 117.7 88 12 7.8 118.9 89 12 13.6 116.5 93 6 14.0 117.4 94 6 13.3 115.1 92 6 12.7 113.9 91 6 14.9 114.7 92 6 13.8 113.1 90 6 9.7 120.9 91 12 10.9 122.3 92 12 11.3 123.6 93 12 10.5 121.8 91 12 13.4 116.3 92 8 13.9 115.1 91 8 13.8 116.5 92 8 13.7 114.8 91 8 12.5 118.1 92 9 13.6 117.0 91 9 11.1 120.1 90 12 10.5 120.9 91 12 OCTOBER 2002 TABLE-II 3 PETRA GEOTECHNICAL, INC. J.N.241-01 NG 85% required/' Sandcone " 95% required ~~ TABLE II Field Density Test Results 05/03/02 2327 TR 26941ILots 12-13 1234.0 10.3 122.7 92 12 05103/02 2328 TR 26941ILot 13 1235.0 11.6 123.9 93 12 05/03/02 2329 TR 26941ILot 12 1232.0 13.6 116.9 91 9 05/03/02 2330 TR 269411Lot 12 1233.0 12.2 117.7 92 9 05/03/02 2331 TR 23143-1 OILot 44 1240.0 13.1 115.3 90 9 05103/02 2332 TR 23143-IOILot 44 1241.0 10.7 122.4 92 12 05/03/02 2333 TR 23143-1 O/Lot 30 1246.0 11.4 121.1 91 12 05/03/02 2334 TR 23143-IOILot 30 1247.0 9.9 123.3 92 12 05104/02 2335 TR 269411Lot 13 1238.0 11.3 118.4 93 9 05/04/02 2336 TR26941ILot 12 1237.0 12.7 116.6 91 9 05/04/02 2337 TR 269411Lot 12 1234.0 13.8 118.1 92 9 05/04/02 2338 TR26941/Lot 12 1235.0 11.9 119.3 93 9 05/04102 2339 TR 23143-IOILot 44 1242.0 10.7 117.1 91 9 05/04/02 2340 TR 23143-10/Lot44 1243.0 12.4 115.9 91 9 05/04/02 2341 Wynadotte/Sta 33+15 1244.0 13.1 115.6 90 9 05/04/02 2342 Wynadotte/Sta 33+20 1245.0 12.6 118.8 93 9 05/04/02 2343 TR 26941ILot 13 1239.0 13.6 118.7 93 9 05/04/02 2344 TR 26941ILot 13 1240.0 12.5 116.7 91 9 05104/02 2345 TR26941ILot 12 1235.0 12.7 115.9 91 9 05/04/02 2346 TR 26941ILot 12 1236.0 13.2 117.3 92 9 05/04/02 2347 TR 26941ILot 11 1241.0 12.3 115.1 90 9 05/04/02 2348 TR 26941/Lot 11 1242.0 11.8 123.0 92 12 05/04102 2349 TR 23143-10/Lot 44 1243.0 10.9 121.8 91 12 05/04/02 2350 TR 23143-IOILot 44 1244.0 13.5 116.3 91 9 05/04/02 2426 TR 23143-10ILot 30 1248.0 11.3 123.1 92 12 05/04/02 2427 TR 23143-IOILot 30 1249.0 10.5 121.9 91 12 05/04/02 2428 TR 23143-10/Lot 64 1249.0 13.3 115.5 90 9 05/04/02 2429 TR 23 143-IOILot 64 1250.0 12.7 I 17.3 92 9 05/04/02 2430 TR 26941ILots 11-12 slope 1240.0 11.9 116.1 91 9 05/04/02 2431 TR 26941ILot II slope 1241.0 13.7 116.9 91 9 05/04/02 2432 TR 26941/Lot 12 slope 1236.0 10.3 123.3 92 12 05104/02 2433 TR 2694lILot 12 slope 1235.0 11.6 122.4 92 12 05/06/02 2434 TR 23143-10/Lot45 1243.0 10.6 116.4 91 9 05/06/02 2435 TR 23143-1 OILot 45 1242.0 11.1 117.7 92 9 05/06/02 2436 TR 2694 I ILot 12 slope 1242.0 13.6 115.9 91 9 05/06/02 2437 TR 26941ILot 12 slope 1241.0 12.6 116.9 91 9 05/06102 2438 TR 26941ILot 12 slope 1237.0 10.6 119.3 93 9 05106/02 2439 TR 26941/Lot 12 slope 1236.0 10.9 118.1 92 9 05/06/02 2440 TR 23143-IOILot 39 1241.0 11.1 120.8 90 12 05/06/02 2441 TR 23143-IOILot 39 1240.0 11.5 122.1 91 12 05/06/02 2442 TR 26941ILot 13 slope 1242.0 11.0 117.8 92 9 05/06/02 2443 TR 26941ILot 13 slope 1241.0 12.4 119.1 93 9 PETRA GEOTECHNICAL, INC. NG 85% required,. Sandcone OCTOBER 2002 ?A J.N.241-01 *. 95% required TABLE-II 4 9 9 12 12 9 9 9 12 12 9 9 9 9 9 9 9 9 9 9 9 9 9 9 6 6 6 6 6 6 13 13 12 12 6 6 6 6 6 6 6 6 6 OCTOBER 2002 TABLE-II 5 TABLE II Field Density Test Results 05/06/02 2444 TR 26941/Lot 12 slope 1238.0 13.7 116.8 91 05/06/02 2445 TR 26941ILot 12 slope 1239.0 13.1 118.2 92 05/06/02 2446 TR 26941/Lot II slope 1243.0 12.8 121.0 91 05/06/02 2447 TR 26941/Lot II slope 1244.0 12.0 123.2 92 05/06/02 2448 TR 23143-10/Lot 64 1252.0 11.1 116.0 91 05/06/02 2450 Wyandotte St/Sta 34+70 1249.0 13.9 118.4 93 05/06/02 2501 TR 23143-IOILot 31 1250.0 13.9 118.4 93 05/06/02 2502 TR 26941ILot II slope 1245.0 10.2 120.9 91 05/06/02 2503 TR 26941ILot 11 slope 1246.0 11.8 122.3 92 05/06/02 2504 TR 2694 I ILot 12 slope 1240.0 13.6 116.6 91 05/06/02 2505 TR 26941ILot 12 slope 1241.0 13.0 117.3 92 05/06/02 2506 TR 26941ILot 13 slope 1244.0 12.5 118.8 92 05/06/02 2507 TR 26941/Lot 13 slope 1245.0 13.2 115.7 90 05/07/oi 2508 TR 26941ILot 13 slope 1246.0 12.2 117.6 92' 05/07/02 2509 TR 26941ILot 13 slope 1247.0 14.1 115.7 90' 05/07/02 2510 TR 26941ILot 12 slope 1243.0 13.0 118.9 93 05/07/02 2511 TR 26941ILot 12 slope 1242.0 13.2 118.0 92 05/07/02 2512 TR 26941ILot 12 slope 1244.0 13.4 119.6 93 05/07/02 2513 TR 26941/Lot 12 slope 1245.0 12.8 118.2 92 05/07/02 2514 TR 23143-IOILot 31 1252.0 13.9 115.9 91 05/07/02 2515 TR 23143-IOILot 31 1253.0 13.1 116.7 91 05/07/02 2516 TR 23143-10/Lot 44 1252.0 12.3 114.9 90 05/07/02 2517 TR 23143-1 O/Lot 44 1253.0 14.3 116.3 91 05/07/02 2518 TR 23143-IOILot 39 1248.0 15.4 112.3 90 05/07/02 2519 TR 23143-10/Lot 39 1247.0 14.1 114.0 91 05/07/02 2520 TR 26941ILot 11 slope 1247.0 13.3 115.3 92 05/07/02 2521 TR 26941/Lot 11 slope 1246.0 13.7 114.1 91 05/07/02 2522 TR 23143-IOILot 44 1250.0 14.6 115.7 93' 05/07/02 2523 TR 23143-1 O/Lot 44 1251.0 15.0 113.6 91' 05/07/02 2524 TR 23143-10/Lot 30 1256.0 16.5 110.7 92 05/07/02 2525 TR 23143-10ILot 30 1257.0 15.4 109.1 91 05/07/02 2576 Wyandotte St/Sta 32+60 1253.0 9.3 123.3 92 05/07/02 2577 TR 23143-1 O/Lot 64 1254.0 10.9 124.1 93 05/07/02 2578 TR 26941ILot 13 slope 1247.0 15.7 112.8 90 05/07/02 2579 TR 26941ILot 13 slope 1248.0 14.4 114.4 92 05/07/02 2580 TR 26941/Lot 12 slope 1244.0 13.9 116.0 93 05/07/02 2581 TR 26941ILot 12 slope 1245.0 14.8 113.7 91 05/07/02 2582 TR 23143-10/Lot 45 1249.0 13.6 115.1 92 05/08/02 2583 TR 23143-1 OILot 13 1250.0 15.3 114.4 92 05/08/02 2584 TR23143-10/Lot 13 1251.0 14.5 112.9 90 05/08/02 2585 TR 23143-10/Lot 44 1250.0 15.7 114.4 92 05/08/02 2586 TR 23143-IO/Lot 44 1251.0 13.6 113.1 90 PETRA GEOTECHNICAL, INC. J.N.241-01 NG 85% required/* Sandcone ** 95% required /" t>J I I I I I I I I I I I I I I I I I I I TABLE II Field Density Test Results "'" """"""',_,",___',_,__"',_'" ...,..,...,.......'_'.'_'._...__......_.'..,'_'_'...'_'.._.,n..._.,_""""'" ,"' ' ...".___, _n .........."",.....,.. " .........,. .. ..i.trESTi..............~..........iii...iiIitrESTIiiiI...ELEV;. DATirNQ;L~$JltIQN{(tJII_lllfifllrl;~~ 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/08/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 05/09/02 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2701 2702 2703 2704 TR 23143-10/Lot 64 TR 23143-10/Lot 64 TR 23143-10/Lot 32 TR 23143-10/Lot 32 RTNo.2589 RT No. 2590 TR 23143-10/Lot 64 TR 23143-10/Lot 64 TR 23143-10/Lot 43 Wyandotte St/Sta 34+25 TR 23143-10/Lot 44 TR 23143-10/Lot 44 TR 26941/Lot 12 slope TR 26941/Lot 12 slope TR 23143-10/Lot 39 TR 23143-10/Lot 39 TR 23143-10/Lot 30 TR 26941/Lot 12 slope TR 26941/Lot 12 slope TR 26941/Lot 12 slope TR 26941/Lot 12 slope TR 23143-10/Lot 32 TR 23143-10/Lot 33 TR 23143-10/Lot 43 TR 23143-10/Lot 43 TR 23143-10/Lot 44 TR 26941/Lot 11 slope TR 26941/Lot 12 slope TR 26941/Lot 12 slope RT No. 2609 RTNo.2610 TR 23143-10/Lot 45 TR 23143-IO/Lot 45 Wyandotte St/Sta 32+80 TR 23143-10/Wyandotte St TR 23143-10/Lot 32 TR 23143-1 O/Lot 32 TR 26941 /Lot 13 TR 26941/Lot 13 slope TR 26941/Lot 12 slope TR 26941/Lot 12 slope TR 23143-10/Lot 43 1246.0 1257.0 1259.0 1260.0 1258.0 1259.0 1255.0 1256.0 1252.0 1253.0 1244.0 1245.0 1249.0 1250.0 1259.0 1250.0 1249.0 1248.0 1247.0 1262.0 1263.0 1254.0 1255.0 1251.0 1250.0 1249.0 1250.0 1253.0 1254.0 1257.0 1258.0 1263.0 1264.0 1251.0 1251.0 1250.0 1251.0 1253.0 14.8 112.8 90 6 15.8 115.8 93 6 12.4 106.8 85 6 14.1 104.3 83 6 13.8 116.4 93 6 14.6 117.5 94 6 13.7 118.4 93 9 12.0 120.8 90 12 11.1 114.3 91 6 15.6 111.3 92 13 11.7 118.5 93 9 11.1 117.0 91 9 11.7 117.5 92 9 11.8 117.7 92' 9 11.8 120.8 90 12 11.3 121.9 91 12 12.1 123.6 93 12 13.6 117.7 92 9 .12.9 116.4 91 9 12.2 118.3 92 9 13.3 115.9 91 9 14.2 108.7 87 6 13.1 110.1 88 6 12.0 121.1 91 12 11.6 122.7 92 12 12.2 115.4 90 9 13.4 117.1 91 9 11.1 123.4 92 12 12.0 121.6 91 12 14.6 114.4 92' 6 15.3 115.1 92' 6 11.4 123.4 92 12 10.8 121.9 91 12 14.11 114.2 91 6 13.2 117.2 92 9 10.2 122.2 92' 12 11.2 120.9 91' 12 12.5 119.9 94 9 13.3 120.6 93 17 13.0 119.8 93 17 12.4 120.7 94' 17 10.5 123.3 92 12 PETRA GEOTECHNICAL, INC. J.N.241-01 NG 85% required/* Sandcone ** 95% required OCTOBER 2002 TABLE-II 6 ~'" I II I! I I I I I I I I I I I I I I I I TABLE II Field Density Test Results 05/09/02 05/09/02 05/09/02 05/1 0/02 05/1 0/02 05/1 0/02 05/10102 05/1 0/02 05/1 0/02 05/10/02 05/10/02 05/1 0/02 05/1 0/02 05/1 0/02 05/1 0/02 05/1 0/02 05/10/02 05/10/02 05/1 0/02 05/1 0/02 05/1 0/02 05/1 0/02 05/1 0102 05/1 0/02 05/10/02 05/10/02 05/1 0102 05/11102 05/11/02 05/11102 05/11102 05/11/02 05/11102 05/11/02 05/11102 05/11102 05/11102 05/11102 05/11102 05/11102 05/11102 05/11/02 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 TR 23143-10ILot 43 TR 23143-10/Lot 39 TR 23 I 43-IOILot 39 Royal Crest/Sta 31 +40 Royal Crest/Sta 31 +60 TR 23143-10ILot 45 TR 23143-IOILot 45 TR 23143-10ILot 39 TR 23143-10ILot 39 TR 26941/Lot 12 slope TR 26941ILot 12 slope TR 23143-IOILot 33 TR 23143-10/Lot 33 TR 23143-10/Lot 31 TR 23143-10/Lot 31 TR 23143-1 OILot 44 TR 23143-IOILot 44 TR 23143-10ILot 46 TR 23143-10/Lot 46 TR 26941ILot 12 slope TR 2694 I ILot 12 slope TR 23143-IOILot 40 TR 23143-IOILot 40 TR 23143-IOILo145 TR 23143-IOILot 45 TR 26941ILot 12 slope TR 26941ILot 12 slope TR 23143-1 OILot 42 TR 23143-IOILot 42 TR 23143-10ILot 63 TR 23143-1 OILot 63 TR 23143-10/Lot 45 TR 23143-10/Lot45 TR 23143-10/Lot 40 TR 23143-10/Lot 40 TR 23143-1 O/Lot 30 TR 23143-1 O/Lot 30 TR 23143-IOILot 43 TR 23143-IOILot 43 TR 23143-IOILot 45 TR 23143-10/Lot 45 TR 23143-10/Lot 40 1254.0 1251.0 1252.0 1263.0 1262.0 1256.0 1257.0 1254.0 1255.0 1252.0 1253.0 1266.0 1265.0 1262.0 1263.0 1258.0 1259.0 1255.0 1256.0 1252.0 1251.0 1253.0 1252.0 1256.0 1257.0 1256.0 1255.0 1258.0 1259.0 1264.0 1265.0 1258.0 1259.0 1256.0 1257.0 1267.0 1269.0 1258.0 1259.0 1259.0 1260.0 1257.0 11.7 11.3 11.9 11.8 12.1 10.7 11.5 12.1 11.1 10.0 11.2 11.3 12.0 12.2 11.5 11.7 10.8 11.1 11.6 11.6 11.3 11.7 12.1 10.5 11.6 11.1 10.8 10.6 11.8 10.9 12.3 11.9 11.2 10.7 11.7 10.0 12.2 11.8 11.5 10.4 10.7 13.6 PETRA GEOTECHNICAL, INC. NG 85% required/* Sandcone J.N.241-01 ** 95% required 121.8 91 12 124.1 93 12 122.7 92 12 120.7 90 12 120.5 90 12 122.3 92 12 122.8 92 12 123.8 93 12 122.5 92 12 122.7 92 12 120.7 90 12 123.2 92 12 122.3 92 12 120.3 90* 12 125.3 94* 12 121.3 91 12 122.1 91 12 123.8 93 12 125.7 94 12 123.6 93* 12 122.1 91* 12 120.5 90 12 122.3 92 12 121.7 91 12 123.1 92 12 122.8 92 12 120.9 91 12 124.0 93 12 124.0 93 12 123.0 92 12 120.7 90 12 124.4 93 12 124.9 94 12 122.7 92 12 123.8 93* 12 116.6 91* 9 122.0 91* 12 122.6 92* 12 122.8 92 12 120.7 90 12 120.9 91 12 118.3 92 9 OCTOBER 2002 TABLE-II 7 ~1 I I I I I I I I I I I I I I I I I I 05/11/02 05/11/02 05/11/02 05/11/02 05113/02 05113/02 05/13/02 05/13102 05113/02 05113102 05/13102 05/13/02 05113/02 05113/02 05/10/02 05/10/02 05/1 0/02 05/1 0/02 05/1 0102 05/14/02 05/14/02 05/14/02 05/14/02 05/14/02 05/14/02 05/14/02 05/14/02 05/14/02 05/14/()2 05/14/02 05/14/02 05/14102 05/15/02 05/15/02 05/15/02 05/15/02 05/15/02 05/15/02 05/15/02 05/15/02 05/15/02 05/15102 2772 2773 2774 2775 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 TABLE II Field Density Test Results TR 23143-1 O/Lot 40 TR 23143-101L0t 39 TR 23143-1O/Lot 39 TR 23143-1 OlLot 45 TR 269411L0t 12 slope TR 269411L0t 12 slope TR 269411L0t 12 slope TR 26941/Lot 12 slope TR 269411L0t 12 slope TR 269411L0t 11 slope TR 269411L0t 12 slope TR 269411L0t 13 slope TR 26941/Lot 12 slope TR 269411L0ts 12-13 TR 23143-10/Lot 32 TR 23143-10/Lot 64 TR 23143-10/Lot 31 TR 23143-101L0t 63 TR 23143-10/Lot 30 TR 23143-101L0t 33 Crowne Hill/Sta 65+85 TR 23143-10/Lots 30-31 Royal Crest/Sta 31 +00 TR 23143-101Lots 31-32 TR 23143-1 OlLot 40 RTNo.2881 TR 269411L0t 11 slope TR 26941ILot 12 slope TR 2694 I /Lot 13 TR 23143-101L0t 46 TR 23143-101L0t 43 TR 23143-10/Lot 39 TR 23143-1 O/Lot 30 TR 23143-10/Lot 30 Wyandotte St/Sta 32+60 Wyandotte St/Sta 32+60 Wyandotte St/Sta 34+80 TR 23143-101L0t 42 TR23 143-101Lot45 TR 23143-1 O/Lot 45 TR 23143-101L0t 43 TR 23143-1 O/Lot 43 1258.0 11.7 122.1 91 1258.0 11.8 123.3 92 1257.0 10.4 121.8 91 1261.0 11.0 122.6 92 1257.0 11.6 122.0 91 1252.0 11.1 123.1 92 1255.0 10.5 124.1 93 1254.0 9.8 122.1 91 1260.0 10.1 124.5 93 1260.0 9.5 123.2 92 1255.0 11.4 119.4 92 1260.0 10.7 118.9 92 1257.0 9.2 123.0 92 1260.0 9.6 124.1 93 1267.0 11.0 116.8 90 1267.0 9.2 123.3 92 1269.0 9.9 120.8 90 1269.0 9.9 122.2 91 1270.0 9.1 124.4 92 1270.0 10.9 122.7 92 1271.0 12.6 120.2 90 1271. 0 10.6 121.9 91 1272. 0 11.5 119.5 93 1272.0 11.2 120.8 93 1265.0 11.8 112.2 87 11.6 117.5 91 1262.0 12.6 115.2 90 1262.0 13.1 115.1 90 1262.0 10.9 115.3 90 1264.0 9.2 124.2. 93 1264.0 8.5 122.8 92 1266.0 9.6 122.3 92 1271.0 8.2 124.0 93 1270.0 11.8 121.5 91 1268.0 10.4 123.1 92 1267.0 11.8 121.0 91 1270.0 10.2 123.5 93 1269.0 11.1 122.4 92 1266.0 11.7 124.1 93 1267.0 11.3 122.6 92 1266.0 10.6 120.9 91 1267.0 9.8 121.7 91 12 12 12 12 12 12 12 12 12 12 5 5 12 12 17 12 12 12 12 12 12 12 17 17 17 17 9 9 9 II 11 11 12 12 12 12 12 12 12 12 12 12 PETRA GEOTECHNICAL, INC. J.N.241-01 NG 85% required" Sandcone .. 95% required OCTOBER 2002 TABLE-II 8 3e I I i. . I . I I I I I I I I I I . I . TABLE II Field Density Test Results 05/15/02 05/15/02 05/15/02 05/15/02 05/15/02 05/15/02 05/16/02 05/16/02 05/16/02 05/16/02 05/17/02 05/16/02 05/16/02 05/16/02 05/16/02 05/16/02 05/16/02 05/16/02 05/16/02 05/16/02 05/16/02 05/16/02 05/16/02 05/16/02 05/16/02 05/16/02 05/16/02 05/17/02 05/17/02 05/17/02 05/17/02 05/17/02 OS/21/02 OS/21/02 OS/21/02 OS/21/02 OS/21/02 OS/22/02 OS/22/02 OS/23/02 OS/23/02 OS/23/02 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 3026 3027 3028 3029 3030 3149 3224 3274 3277 3280 3358 3367 3401 3407 3408 TR 23143-10ILot 64 TR 23143-10/Lot 64 TR 23143-10/Lot 45 TR 23143-10ILot 45 TR 23143-10ILot 42 TR 23143-1 O/Lot 42 TR 23143-10ILot 31 TR 23143-10ILot 31 TR 23143-10ILot 43 TR 23143-10/Lot 43 TR 26941ILot 13 TR 23143-1 OILot 78 Crowne Hill/Sta 65+60 TR 23143-1 OILot 45 TR 23143-10ILot 45 TR 23143-1 OILot 45 TR 23143-10ILot 44 TR 23143-10ILot 44 TR 23143-1 O/Lot 43 TR 23143-1 O/Lot 45 TR 23143-1 OILot 45 TR 23143-10ILot 42 TR 23143-10/Lot 43 TR 23143-1 O/Lot 43 TR 23143-10/Lot 43 TR 23143-IOILot 45 TR 23143-10ILot 45 TR 26941ILot 13 slope TR 23143-10ILot 39 TR 23143-1 O/Lot 40 TR 23143-10ILot 40 TR 23143-1 OILot 40 TR 23143-1 OILot 69 TR 23143-10ILot 69 TR 23143-10ILot 69 TR 23143-IOILot 69 TR 23143-1 O/Lot 73 TR 23143-10/Lot 69 TR 23143-10ILot 69 TR 23143-10ILot 68 TR 23143-1 O/Lot 69 TR 23143-10/Lot 70 1271.0 13.3 117.7 92 9 1272.0 12.5 116.1 91 9 1269.0 12.1 120.9 91 12 1270.0 11.3 12 \.8 91 12 1270.0 10.8 123.4 92 12 1271.0 11.7 122.0 91 12 12 72. 0 13.6 120,3 93 17 1273.0 10.5 125.6 94 12 127\.0 12.9 120.7 93 17 12 72.0 1 \.7 118.8 92 17 126\.0 9.2 124.8 93 12 1273.0 11.8 12\.1 91 12 1274.0 1\.1 123.7 93 12 1272. 0 13.3 118.2 92 17 1273.0 13.8 117.1 91 17 1275.0 10.8 122.8 92 12 1274.0 1 \.6 12\.0 91 12 1276.0 11.2 123.9 93 12 1275.0 10.1 122.1 91 12 1276.0 12.7 118.4 92 17 1277.0 "J3.4 119.3 92 17 1276.0 I \.8 117.1 91 17 1277.0 12.3 120.0 93 17 1278.0 I\.9 119.5 93 17 1279.0 12.1 120.0 93 17 1278.0 13.7 117.3 91 17 1279.0 12.8 118.7 92 17 1260.0 11.3 120.6 90 12 1262.0 9.6 12\.1 91 12 126\.0 10.7 122.9 92 12 126\.0 1 \.5 120.7 90 12 1260.0 10.3 123.6 93 12 1254.0 10.5 116.9 91 9 1252.0 1 \.0 12\.8 91 12 1273.0 10.7 120.5 90 11 1256.0 12.3 119.9 90 12 1258.0 12.2 116.7 90 17 1259.0 10.7 122.7 92 12 1263.0 10.0 123.7 93 12 1270.0 10.4 120.7 92 20 1270.0 9.5 116.4 90 19 1272.0 9.5 115.6 90 19 PETRA GEOTECHNICAL, INC. NG 85% required'* Sandcone J.N.241-01 ** 95% required OCTOBER 2002 ""2A TABLE-II 9 Z7 , I I I I I I I I I I I I I I I I I I I TABLE II Field Density Test Results OS/28/02 OS/28/02 OS/28/02 OS/29/02 OS/29/02 OS/29/02 OS/29/02 OS/29/02 OS/29/02 OS/29/02 OS/29/02 05/30/02 05/30/02 05/30102 05/30/02 05/31/02 05/31/02 05/31/02 05/31/02 05/31/02 . 05/31/02 05/31102 05/31/02 06/01102 06/01/02 06/01/02 06/01/02 06/03/02 06/03/02 06/03/02 06/03102 06/03/02 06/04/02 06/04102 06/04/02 06/04/02 06/04/02 06/04102 06/04/02 06/04/02 06/04/02 06/05/02 3426 3427 3428 3579 3580 3581 3584 3589 3590 3594 I 3595 3628 3633 3643 3646 3751 3752 3753 3754 3767 3768 3769 3770 3831 3832 3837 3838 3952 3953 3954 3958 3959 3965 3966 4001 4002 4007 4008 4012 4013 4014 4022 TR 23143-101L0t 70 Hill St/Sta 9+95 TR 23143-101L0t 69 TR23143-101Lot 14 slope TR 23143-10/Lot 14 slope RT No. 3579 RT No. 3580 TR 23143-101L0t 15 slope TR 23143-1OlLot 15 slope TR 23143-1 OlLot 14 slope TR23143-101L0t 14 slope Royal Crest/Sta 21+20 Royal Crest/Sta 21 +50 Royal Crest/Sta 22+ 15 Royal Crest/Sta 22+80 Royal Crest/Sta 23+ 15 Royal Crest/Sta 23+25 TR 23 143-1 OlLots 14-15 TR23143-101L0t 14 TR23143-10/Lot 19 Royal Crest/Sta 21 +90 Royal Crest/Sta 20+70 Royal Crest/Sta 22+70 TR23143-101L0t 15 Royal Crest/Sta 21 +25 TR23143-101L0t 14 TR 23143-1 OlLot 14 slope TR 23143-10/Lot 15 TR23143-10/Lot 14 TR23143-10/Lot 14 RT No. 3953 RT No. 3954 TR23143-101L0t 15 TR 23143-101L0t 14 TR 23143-10/Lot 14 slope TR 23143-101L0t 15 slope TR23143-10/Lot 15 TR23143-lOlLot 15 slope TR 23143-10/Lot 19 TR23143-101L0t 14 TR23143-10/Lot 19 TR 23143-101L0t 16 1274.0 1276.0 1272.0 1252.0 1253.0 1256.0 1255.0 1256.0 1255.0 1257.0 1259.0 1259.0 1263.0 1270.0 1269.0 1267.0 1266.0 1271.0 1269.0 1262.0 1271.0 1271.0 1270.0 1272.0 1272.0 1273.0 1273.0 1273.0 1275.0 1273.0 12 73. 0 1276.0 1277.0 1275.0 1278.0 1275.0 12 77. 0 1280.0 10.6 119.2 92 19 9.6 116.5 90 19 10.0 119.5 93 19 14.1 104.8 84 6 8.4 106.4 85 6 11.9 112.8 90 6 12.7 116.0 93 6 15.1 109.7 91 13 14.3 110.8 92 13 10.6 111.0 90 18 12.2 111.7 91 18 12.8 119.3 93 9 13.9 114.7 92 15 12.7 116.9 91 9 13.9 116.3 93 15 12.0 121.4 91 12 11.4 122.7 92 12 13.3 114.9 91 8 12.8 116.0 92 8 10.4 115.4 91 7 10.4 115.0 91 7 11.4 118.7 91 20 11.1 121.3 91 12 10.8 112.8 91 15 11.2 123.4 92 12 13.9 115.7 93 10 11.1 122.6 92 12 10.8 119.3 92 17 10.7 109.6 85 17 10.4 113.3 88 17 11.2 116.7 90 17 10.8 117.3 91 17 12.4 120.3 92 20 12.8 119.5 91 20 11.2 118.0 91 17 10.8 117.3 91 17 13.6 108.8 90 13 13.2 109.7 91 13 11.4 115.6 90 17 11.1 117.3 91 17 10.9 116.8 91 17 11.2 117.6 91 17 OCTOBER 2002 TABLE-II 10 PETRA GEOTECHNICAL, INC. J.N.241-01 NG B5% required/" Sandcone .. 95% required lip I TABLE II I I Field Density Test Results I I I I I I I I I I I I I I I I 06/05102 4023 TR 23143-10/Lot 19 1283.0 11.5 116.3 90 17 06/05102 4024 TR23143-101L0t 15 slope 1279.0 12.1 115.9 90 17 06/05/02 4025 TR 23143-101L0t 14 slope 1279.0 11.1 118.1 92 17 06/05102 4151 TR23143-101L0t 16 1288.0 10.9 117.1 91 17 06/05102 4152 TR 23143-10/Lot 20 slope 1282.0 11.4 117.8 91 17 06/05102 4153 TR23143-101L0t 14 1284.0 11.0 120.3 92 20 06/06/02 4163 TR 23143-1 O/Lot 15 slope 1285.0 9.3 122.3 92 12 06/06102 4164 TR23]43-IO/Lot 19 1287.0 9.5 122.8 92 12 06107/02 4237 TR23143-lOlLot20 slope 1282.0 9.3 124.1 93 12 06107/02 4238 TR 23143-101L0t 14 1282.0 11.7 ] 17.2 91 17 06/07/02 4239 TR 23 I 43-IO/Lot 15 1283.0 11.2 118.9 92 17 06/07102 4240 Stanko Crcl/Sta 9+80 1280.0 9.8 124.0 93 12 06/07102 4241 TR23143-10/Lot 16 1283.0 11.5 117.3 91 17 06/07/02 4242 TR 23143-101L0t 20 1283.0 11.0 117.0 91 17 06107/02 4243 TR 23 I 43-lOlLot 14 slope 1282.0 10.4 119.7 91 20 06/07/02 4244 TR 23143-10/Lot 13 1289.0 12.1 117.2 91 17 06/07/02 4245 TR23143-10/Lot 16 1288.0 10.5 120.4 92 20 06/07/02 4246 Stanko Crc1/Sta 9+90 1283.0 11.5 117.2 91 17 06/07/02 4247 TR 23143-10/Lot 20 1290.0 9.3 121.1 9] 12 06/07/02 4248 TR23]43-10/Lot 15 1285.0 9.9 123.0 92 12 06107/02 4249 TR 23143-101L0t 14 1286.0 9.6 124.1 93 12 06/07/02 4250 TR 23143-101L0t 15 slope 1288.0 10.2 120.3 92 20 06/1 0102 4301 TR23143-101L0t 16 1289.0 9.6 122.4 92 12 06/10102 4302 TR 23143-lOlLot 18 1291.0 9.8 ]23.3 92 12 06/10102 4303 TR23143-10/Lot 17 1290.0 10.1 121.4 91 12 06/1 0/02 4304 TR 23143-10/Lot 20 slope 1292.0 9.2 121.3 91 12 06/1 0102 4305 TR23143-101L0t 14 1292.0 9.5 122.7 92 12 06/1 0102 4306 TR23143-101L0t 14 1293.0 11.2 117.1 91 17 06/1 0/02 4307 TR 23143-1 O/Lot 20 1294.0 11.0 117.0 91 17 06/1 0/02 4308 TR23143-10/Lot 19 1292.0 12.1 117.1 91 17 06/10102 4309 TR 23]43-10/Lot 17 1292.0 9.7 ]21.8 92 21 06/1 0102 4310 TR 23143-10/Lot 18 1293.0 9.8 120.9 91 21 06/1 0102 4311 TR 23143-101L0t 15 1294.0 11.4 116.2 90 17 06/1 0102 4312 TR23143-10/Lot 14 1293.0 8.9 122.3 92 21 06/1 0102 4313 TR23143-10/Lot 16 1294.0 9.0 121.8 92 21 06/1 0102 4314 TR23143-101L0t 19 1293.0 11.6 116.6 90 17 06/1 0102 4315 TR 23143-lOlLot 20 1295.0 11.0 115.9 90 17 06/1 0102 4316 TR23143-101L0t 14 1295.0 9.5 ]23.4 93 21 06/10102 43]7 TR23143-lOlLot 15 ]296.0 8.9 122.8 93 21 06/10/02 4318 TR 23143-lOlLot 20 1296.0 8.7 123.8 93 21 06/10102 4319 TR 23143-10/Lot 19 1295.0 12.0 116.5 90 17 06/10102 4320 TR23143-IO/Lot 16 1295.0 11.7 115.9 90 17 PETRA GEOTECHNICAL, INC. NG 85% required/* Sandcone OCTOBER 2002 ~ J.N.241-01 ** 95% required TABLE-II 11 I I I I I I I I I I I I I I I I I I I TABLE" Field Density Test Results TEST D'.FESTDTE8T .................ELEVi .MOISIlURE DENSITYCOMP .....som..... 20 2 2 2 2 2 2 2 2 2 17 17 21 20 20 19 21 21 20 18 22 20 20 21 19 22 19 12 12 12 19 19 21 21 21 21 22 22 22 22 18 18 OCTOBER 2002 TABLE-II 12 06/12/02 4594 TR 269411L0t 16 slope 1273.0 10.3 118.7 91 06/15102 4762 TR 23143-10IPark Site "B" 1272.0 8.8 123.0 93 06/15/02 4763 TR 23143-101Park Site "B" 1273.0 9.1 123.7 93 06/15/02 4764 TR 269411L0t 16 1274.0 9.6 122.4 92 06/15102 4765 TR 269411L0t 16 1275.0 8.6 124.7 94 06/15/02 4766 . TR 23143-101Park Site "B" 1276.0 9.4 120.9 91 06/15/02 4767 TR 23143-101Park Site "B" 1277. 0 10.7 120.6 91 06/15/02 4768 TR23143-101ParkSite "B" 1280.0 10.2 119.3 90 06/15/02 4769 TR 23143-101Park Site "B" 1282.0 10.5 118.9 90 06/15/02 4770 TR 23143-1 O/Lot 34 slope 1274.0 8.9 121.7 92 06/15/02 4771 TR 23143-10/Lot 34 1277.0 11.6 121.0 93 06/19102 4800 TR 23143-101L0t 33 1280.0 11.2 117.1 91 06113102 4807 Crowne HilllSta 60+70 1269.0 8.7 121.9 92 06/14/02 4821 TR23143-101Park "B" 1270.0 9.1 118.9 91 06/14/02 4822 Crowne Hill/Sta 61 +60 1271.0 10.7 118.7 91 06/16102 4940 TR 26941/Lot 16 1275.0 10.3 117.5 91 06/16/02 4941 TR 23143-101Park "B" 1273.0 10.1 120.1 91 06/16/02 4942 Crowne Hill/Sta 60+30 1272.0 11.3 121.3 92 06/16/02 4945 TR 23143-101Park "B" 1276.0 10.0 119.1 91 06/16/02 4946 Crowne HilllSta 59+90 1275.0 11.7 111.1 90 06/17/02 4957 TR 23143-1 OlLot I 1275.0 9.0 122.7 91 06/1 7/02 4958 TR 23143-1 O/Lot 34 1277.0 9.3 118.7 91 06/17/02 4959 TR 23143-101L0t 33 1275.0 10.7 118.9 91 06/17/02 4960 Crowne Hill/Sta 61+50 1273.0 10.0 121.9 92 06/17/02 4961 Crowne HilllSta 60+50 1277.0 10.3 117.7 91 06/17/02 4974 TR 26941/Lot 16 slope 1273.0 8.1 121.9 91 06/17/02 4975 TR 23143-101Park "B" 1276.0 10.7 116.5 90 06/20/02 4982 TR 23143-1 OlLot 4 1296.0 9.0 123.4 92 06/20/02 4983 TR 23143-10/Lot 1 1298.0 8.7 122.7 92 06/20/02 4984 TR 23143-10/Lot 2 1300.0 9.5 123.4 92 06/20/02 4987 TR 23143-10/Lot I 1286.0 9.8 118.0 91 06/20/02 4988 TR23143-10/Lot2 1288.0 11.0 117.4 91 06/21/02 4989 TR 23143-101L0t 5 slope 1304.0 8.5 119.8 90 06/21/02 4990 TR23143-101L0t5 slope 1308.0 8.8 122.2 92 06/21/02 4991 TR23143-10/Lot4 slope 1312.0 8.4 120.7 91 06/21/02 4992 TR 23143-1O/Lot 1 1290.0 9.0 121.0 91 06/21/02 4993 TR 23143-10/Lot 2 1292.0 8.1 123.4 92 06/21/02 4994 TR 23143-101L0t 3 1294.0 7.6 122.7 91 06/21/02 4995 TR 23143-1O/Lot I 1294.0 8.0 124.7 93 . 06/21/02 4996 TR 23143-10/Lot 4 1295.0 8.5 123.0 91 06/21/02 4997 TR 23143-10/Lot 29 1285.0 11.2 111.5 91 06/21/02 4998 TR 23143-101L0t 27 1287.0 10.9 110.9 90 PETRA GEOTECHNICAL, INC. J.N.241-01 NG 85% required!* Sandcone ** 95% required 4,1/ I I I I I I I I I I I I I I I I I I I TABLE II Field Density Test Results }}j$$tt. ...i.~}}.......}}}lI.flil$T}......}}}}.....i"."EI;;jtv; )...MO~ ..D..ENSITY.. eOMIUSOIE..}) n\\!roE.NQ;.~~TlQN(i't)f~%)(~~~{i)liMPF; 06/21/02 4999 TR 23143-IO/Lot 28 1289.0 11.8 112.6 91 18 06/21/02 5000 TR 23143-10/Lot 29 1291.0 11.5 111.9 91 18 06/19/02 5026 TR 23143-10/Lot 33 1281.0 15.3 109.1 91 13 06/19/02 5027 TR23143-10/Lot2 1299.0 4.3 115.1 89 5 06/19/02 5028 RT No. 5027 8.8 117.6 91 5 06/20/02 5038 TR 23143-IO/Lot 3 1301.0 11.1 118.1 90 20 06/20/02 5039 TR23143-10/Lot3 1302.0 10.8 119.9 92 20 06/18/02 5090 TR 26941/Lot 16 slope 1275.0 9.3 119.7 90 21 06/18/02 5091 TR 23143-10/Park "B" 1278.0 10.1 116.7 90 19 06/18/02 5092 TR 26941 /Lot 16 slope 1277.0 10.7 117.0 91 19 06/18/02 5093 TR 26941/Lot 16 slope 1278.0 9.9 117.9 90 20 06/18/02 5094 Crowne Hill/Sta 60+00 1279.0 8.9 118.7 91 20 06/18/02 5095 TR 23143-10/Park "B" 1279.0 9.3 118.3 90 20 06/18/02 5096 TR 23143-IO/Park "B" 1278.0 9.0 120.3 91 21 06/19/02 5097 TR 23143-10/Lot 32 1273.0 9.3 118.7 91 20 06/19/02 5098 TR 23143-10/Lot 31 1271.0 9.7 118.1 90 20 06/19/02 5099 TR 23143-10/Space 77 12 77.0 10.1 116.7 90 19 06/19/02 5100 TR23143-10/Space 77 1279.0 9.1 116.0 88 20 06/19/02 5105 RTNo.5100 9.7 117.5 89 20 06/19/02 5112 RTNo.5105 9.3 118.5 90 20 06/19/02 5116 TR23143-10/Lot 1 1281.0 9.9 117.1 91 19 06/20/02 5126 TR 23143-10/Lot 4 1305.0 9.1 119.0 91 20 06/20/02 5135 TR23143-10/Lot 10 1292.0 10.7 119.9 92 20 06/21/02 5136 TR 23143-10/Lot 10 1294.0 11.9 121.0 91 12 06/21/02 5137 TR23143-10/Lot 11 1295.0 10.7 122.1 91 12 06/21/02 5138 TR 23143-10/Lot 8 1294.0 10.0 116.8 91 17 06/21/02 5139 TR 23143-1 O/Lot 9 1295.0 10.6 117.9 91 17 06/21/02 5140 TR 23143-10/Lot 7 1294.0 7.9 121.7 91 12 06/21/02 5141 TR 23143-10/Lot 8 1295.0 8.3 120.9 91 12 06/21/02 5148 TR 23143-1 O/Lot 1 1293.0 12.1 116.9 91 17 06/21/02 5149 TR 23143-10/Lot 2 1294.0 11.3 117.7 91 17 06/20/02 5176 TR 23 143-1 O/Lot 34 1279.0 9.7 117.9 90 20 06/20/02 5177 TR 23143-10/Lot 32 1276.0 8.9 118.3 90 20 06/20/02 5178 TR 23143-10/Lot 32 1276.0 8.1 122.5 91 22 06/20/02 5179 TR 23143-10/Lot 31 1273.0 10.5 117.0 91 19 06/20/02 5180 TR 23143-10/Lot 30 1270.0 9.1 117.9 90 20 06/20/02 5181 TR 23143-10/Lot 33 1278.0 9.3 118.9 89 21 06/20/02 5182 TR 23143-10/Lot 30 1273.0 8.7 116.0 88 20 06/20/02 5183 TR 23143-1 O/Lot 33 1280.0 9.5 119.7 90 21 06/20/02 5184 TR 23143-10/Lot 64 1267.0 7.9 122.5 91 22 06/20/02 5185 Royal Crest/Sta 31 +00 1270.0 8.1 114.7 88 19 06/20/02 5186 Royal Crest/Sta 31 +50 1271.0 8.0. 114.1 88 19 PETRA GEOTECHNICAL, INC. NG 85% required/* Sandcone OCTOBER 2002 4[0 J.N.241-01 ** 95% required TABLE-II 13 I I I I I I I I I I I I I I I I I I I TABLE II Field Density Test Results 06/20/02 06/20/02 06/20/02 06/20/02 06/20/02 06/20/02 06/20/02 06/20/02 06/20/02 06/20/02 06/20/02 06/20/02 06/21/02 06/21/02 06/21/02 06/21/02 06/21/02 06/21/02 06/21/02 06/21/02 06/21/02 06/21/02 06/21/02 06/22/02 06/22/02 06/22/02 06/22/02 06/24/02 06/24/02 06/24/02 06/24/02 06/24/02 06/24/02 06/24/02 06/24/02 06/24/02 06/24/02 06/24/02 06/24/02 06/22/02 06/25/02 06/25/02 5187 5188 5189 5190. 5191 5192 5193 5194 5195 5196 5197 5198 5199 5200 5201 5202 5203 5204 5205 5206 5207 5208 5209 5244 5245 5248 5249 5278 5279 5288 5289 5290 5291 5292 5293 5294 5295 5296 5297 5310 5402 5403 Royal Crest/Sta 30+50 TR 23143-10/Lot 31 RTNo.5181 RTNo.5182 RT No. 5185 RTNo.5186 RTNo.5187 Crowne Hill/Sta 61 +50 TR 23143-IOILot 34 TR 23143-10/Park "B" Crowne Hill/Sta 59+75 TR 23143-10/Park "B" TR 23143-10/Park "B" TR 23143-1 OILot 34 TR 23143-10/Park "B" Crowne Hill/Sta 60+50 Stanko/Sta 18+50 TR 23143-IO/Lot 1 TR 23143-IOILot I TR 23143-1 OILot 2 TR 23143-IOILot I TR 23 I 43-IO/Space 76 Crowne HilllSta 60+20 TR 23143-IOILot 14 TR23143-10ILot 13 TR23143-IOILot 12 TR 23143-10/Lot 12 TR 23143-10/Lot 12 TR23143-10/Lot 11 TR23143-IOILot 15 slope TR 23143-10/Lot 16 TR23143-IOILot 17 TR 23143-IOILot 17 TR23143-IOILot 10 TR 23143-1 OILot 9 slope TR 23143-IO/Lot 14 slope TR23143-IOILot 14 TR 23143-IOILot 13 TR 23143-1O/Lot 12 TR23143-IOILot 14 slope TR23143-10/Lot 13 TR23143-IOILot 12 1273.0 1275.0 9.1 9.7 10.1 10.3 11.0 10.7 9.9 10.7 9.3 9.9 9.9 8.3 9.7 10.1 9.7 8.3 9.1 10.3 10.7 9.3 9.7 10.0 11.1 8.8 9.2 10.7 10.4 10.1 9.4 8.9 9.4 8.8 10.0 8.7 9.4 10.2 8.0 7.6 12.3 9.6 7.3 7.5 PETRA GEOTECHNICAL, INC. NG 85% required/* Sandcone J.N.241-01 ** 95% required 1279.0 1281.0 1283.0 1282.0 1285.0 1287.0 1283.0 1289.0 1283.0 1282.0 1270.0 1272.0 1274.0 1275.0 1277.0 1281.0 1286.0 1287.0 1290.0 1291.0 1292.0 1293.0 1292.0 1292.0 1294.0 1296.0 1294.0 1295.0 1292.0 1294.0 1296.0 1298.0 1267.0 1294.0 1295.0 118.0 118.1 120.3 119.0 118.3 117.9 120.5 118.0 120.1 118.9 119.3 122.5 118.1 117.9 121.1 123.3 119.3 116.1 116.7 118.1 119.9 120.3 117.1 119.7 120.3 118.4 119.0 121.4 122.6 117.7 119.9 118.8 121.0 121.9 123.1 122.0 124.4 125.1 117.6 118.8 125.7 123.8 89 90 91 91 92 91 91 91 91 91 91 91 90 90 91 92 90 90 90 90 90 91 91 91 92 90 91 91 92 90 92 91" 92 91 92 91 92 93 91 92 93 92 21 20 21 20 19 19 21 19 21 20 20 22 20 20 21 22 21 19 19 20 21 21 19 20 20 20 20 12 12 20 20 20 20 12 12 12 22 22 17 19 22 22 OCTOBER 2002 AA TABLE-1I14 ~ I I TABLE II Field Density Test Results I.......... .~;J; .............~....................... .......................iT.........I~T.............................................. .............................. ...I~. i;.i. M.............~.......~........................................~.....~............~.~~Ii....~. ~I. ~j/. ~O. IE.i................... .D"""E. .. ........,.,O.f..... ... ....."""0. ""."'ION............ .............(llt}. .. ..... .. ........ .("') ...... ....... .... (p~Q .......... ...~""l ..."'''''''E. ..... ',:)\: .:'.,~':.I;::" ,tt: ::',:::)\);:._::)::/{:::::})\ :::;::::::::::::::::=:}:{}:p._ ::___~~:~:: .:-::',-:'::-..:;::;:{:::::): :::::::::'(::;;;::}::}:{{(::;::. co: _,): ;::'::::):':'::::::;:,-:::}:;:;:'(:;m:)\ :::)}}}}:::{{::', :1(,>..:': :}::}}::}::::::>'. ::~){:::: :::::::::::':::::\:::J::::~);:;; _.}:?\::., I I I I I I I I I I I I I I I I 0.6/25/0.2 540.4 TR23143-10/Lot 16 1294.0. 12.7 121.1 92 20. 0.6/25/0.2 540.5 TR23143-IOILot 17 1296.0. 11.6 119.4 91 20. 0.6/25/0.2 5410. TR 23 143-1 a/Lot 15 slop~ 1294.0 9.2 116.4 90.* 17 0.6/25/0.2 5411 TR 23143-10./Lot 15 1295.0. 10..3 118.1 92 17 0.6/25/0.2 5413 TR23143-IOILot 14 1294.0. 10..6 120.7 92 20. 0.6/25/0.2 5414 TR23143-10.ILot 10. 1295.0. 9.4 119.8 91 20. 0.6/25/0.2 5416 TR 23143-10./Lot 7 1296.0. 12.3 117.0. 91 17 0.6/25/0.2 5417 TR 23143-10ILot 9 1297.0. 10..4 118.1 92 17 0.6/25/0.2 5418 TR23143-10.ILot II 1297.0. 11.3 119.3 91 20. 0.6/25/0.2 5419 TR23143-10.ILot 13 1297.0 10..6 120..0. 92 20. 0.6/25/0.2 5420 TR23143-10/Lot 14 1298.0. 9.0. 123.7 93 12 0.6/26/0.2 5424 TR 23143-lo.ILot 27 slope 1286.0. 9.5 123.3 92 22 0.6/26/0.2 5425 TR 23 143-1 alLot 27 slope 1288.0. 8.7 124.6 93 22 0.6/27/0.2 5438 TR 23143-10./Lot 6 finish slope 130.3.0. 10..3 117.3 91 17 0.6/27/0.2 5439 TR 23143-10.ILot 4 finish slope 1312.0. 10.9 117.5 91 17 0.6/27/0.2 5440. TR 23 143-1 alLots 2-3 finish slope 130.6.0. 11.6 117.2 91 17 0.6/28/0.2 5442 TR23143-10.ILots 65-66 1287.0. 8.0. 125.8 93 22 0.6/28/0.2 5443 TR23143-lo.ILots 67-78 1287.0. 7.6 124.6 93 22 0.6/26/0.2 5476 TR 23143-lo.ILot 23 1296.0. 10..5 115.7 90. 9 0.6/26/0.2 5477 TR 23143-1 alLot 22 1296.0. 9.8 116.0. 91 9 0.6/26/0.2 5478 TR 23143-10./Lot 21 1297.0 10..9 117.1 91 9 0.6/26/0.2 5479 TR 23143-IOILot 25 1294.0. 11.4 115.9 91 9 0.6/26/0.2 5480. TR 23 143-1 alLot 26 1295.0. 11.9 118.0. 92 9 0.6/26/0.2 5481 TR 23143-1 a/Lot 24 1295.0. 10..6 116.6 91 9 0.6/26/02 5482 TR 23143-IO/Lot 28 1290..0. 15.7 108.7 90. 13 0.6/26/0.2 5483 TR23143-10ILot 27 1292.0. 15.9 10.9.9 91* 13 0.6/26/0.2 5484 TR 23143-1 a/Lot 28 1294.0. 15.3 110..3 92 17 0.6/26/0.2 5485 TR 23143-1 alLot 29 1294.0. 13.1 117.9 91 17 0.6/26/0.2 5486 TR 23143-IO/Lot 27 1295.0. 9.3 117.6 91 17 0.6/26/0.2 5487 TR23143-IO/Lot 27 1296.0. 10..4 10.6.6 83 17 0.6/26/0.2 5488 RT No. 5487 11.9 117.7 91 17 0.6/26/0.2 5489 TR 26941ILot 16 slope 1266.0. 10..9 116.9 91 17 06/26/0.2 5490. TR 23143-IO/Lot 35 1268.0 9.1 120..5 93 12 0.6/26/0.2 5491 TR 26941ILot 16 slope 1270..0. 9.7 122.8 92 20. 0.6/26/0.2 5492 TR23143-10.ILot 15 1298.0. 10.6 119.7 91 20. 0.6/27/02 5495 TR 23143-IOILot 35 1272.0. 10.1 123.4 92 12 0.6/27/0.2 5496 TR 23143-1 alLot 34 1274.0. 11.2 116.1 87 12 0.6/27/0.2 5497 TR 26941/Lot 16 slope 1276.0. 9.1 122.7 92 12 0.6/27/0.2 5498 RTNo.5496 12.0. 123.1 92 12 0.6/27/0.2 5499 TR 23143-IO/Lot 34 1278.0. 8.3 124.2 93 12 0.6/27/0.2 550.0. TR 23143-10./Lot 35 1280..0. 12.1 121.8 91 12 0.6/27/0.2 5529 TR 23143-IOILot 74 1283.0. 12.8 117.7 91* 17 PETRA GEOTECHNICAL, INC. NG 85% required/* Sandcone OCTOBER 2002 ~ J.N.241-01 ** 95% required TABLE-II 15 I I I I I I I I I I I I I I I I I I 06/27/02 06/27/02 06/27/02 06/27/02 06/27/02 06/27/02 06/27/02 06/27/02 06/27/02 06/27/02 06/27/02 07/01102 07/01/02 07/01102 07/01102 07/01102 07/01102 07/01102 07/01102 07/01102 07/01/02 06/28/02 06/28/02 06/28/02 06/28/02 06/28/02 06/28/02 07/02/02 07/02/02 07/02/02 07/02/02 07/02/02 07/02/02 07/02/02 07/02/02 07/02/02 07/02/02 07/02/02 07/03/02 07/03/02 07/03/02 07/03/02 5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5626 5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 TABLE II Field Density Test Results TR 23143-IOILot 65 TR 23143-IOILot 33 TR 23143-IOILot 32 TR 23143-IOILot 31 TR 23143-IOILot 30 TR 23 I 43-IOILot 35 TR 23143-IOILot 34 TR 23143-1 OILot 65 TR 23143-1 OILot 65 TR 23143-IOILot 66 TR 23143-1 O/Lot 67 TR 23143-IOILot 78 TR 23143-IOILot 78 TR 23143-IOILot 74 TR 23143-IOILot 74 Crowne HilI/Sta 65+80 Crowne HilI/Sta 66+ IS TR 26941ILot 16 slope TR 269411Lot 16 slope TR 269411Lot 16 slope TR 26941 ILot 16 slope TR 23143-1 OILot 34 slope TR 23143-IOILot 32 slope TR 23143-IOILot 77 TR 23143-10ILot 36 TR 23143-10ILot 35 TR 23143-10/Lot 34 TR 26941/Lot 16 slope TR 26941ILot 16 slope RT No. 5632 RT No. 5633 TR 26941ILot 16 slope TR 23143-10ILot 39 TR 23143-10ILot 39 TR 23143-1 OILot 40 TR 23143-10/Lot 40 TR 23143-IO/Lot 39 TR 23143-10ILot 39 TR 23143-10ILot 38 TR 23143-IOILot 38 TR 23143-1 O/Lot 40 TR 23143-IOILot 40 1285.0 1282.0 1281.0 1280.0 1279.0 1276.0 1280.0 1287.0 1288.0 1289.0 1290.0 1283.0 1285.0 1282.0 1284.0 1281.0 1283.0 1260.0 1262.0 1264.0 1266.0 1287.0 1288.0 1289.0 1280.0 1278.0 1281.0 1249.0 1251.0 1253.0 1266.0 1267.0 1264.0 1265.0 1265.0 1266.0 1269.0 1271.0 1268.0 1270.0 9.3 123.3 92 22 14.3 114.6 92 6 15.7 115.4 92 6 9.6 122.9 91 22 8.9 124.1 92 22 8.7 123.2 92 12 9.1 124.4 93 12 9.0 118.6 92 19 9.5 117.9 91* 19 9.9 119.1 92 19 9.3 118.0 91 19 9.6 117.0 91 17 10.6 116.3 90 17 11.0 117.7 91 17 11.4 118.4 92 17 10.1 117.0 91 17 10.7 119.5 93 17 8.7 124.1 92 22 10.2 125.6 93 22 9.1 123.7 92 22 9.7 125.0 93 22 9.4 119.5 91 20 10.2 120.1 92 20 9.8 119.8 91 20 11.2 118.2 92 17 12.0 118.1 91 17 10.9 117.5 91 17 6.3 112.0 85 20 13.7 1 I 1.1 85 20 9.6 119.3 91 20 11.3 118.0 90 20 10.0 119.7 91 20 15.2 113.9 91 6 14.4 115.1 92' 6 10.4 119.0 91 20 9.6 120.1 92 20 8.9 116.9 91 17 9.7 117.7 91 17 8.3 115.7 90 3 9.7 116.4 91 3 15.4 110.7 92 13 14.1 109.0 90 13 OCTOBER 2002 TABLE-II 16 PETRA GEOTECHNICAL, INC. J.N.241-01 NG 85% required/* Sandcorie ** 95% required ~ I I 1.......}':t$ST.}. ).......~... ........}}}.}.....mEST}.}.....}......}}EL:ltV! ...)MOlSTtll{:E .....DENSlTY .....coNmJ ................SolLi}..... n&w~Noj;~AXlQN..{.(t1{%}(Il~fj(%)TIei1 I I I I I I I I I I I I I I I I TABLE II Field Density Test Results 07/03/02 5647 TR 23 I 43-1O/Lot 38 1268.0 11.3 119.6 93' 17 07/03/02 5648 TR 23143-10/Lot 38 1269.0 12.2 118.7 92 17 07/08/02 5649 TR26941ILot 16 1256.0 9.8 117.7 91 17 07/08/02 5650 TR 26941/Lotl6 1259.0 10.7 119.0 92 17 06/29/02 5684 TR23143-10/Lot I FG 10.7 119.8 90 20 06/29/02 5685 TR23143-IOILot2 FG 10.2 121.4 91 20 06/29/02 5686 TR 23143-1OILot 3 FG 9.8 120.1 91 20 06/29/02 5687 TR 23143-1 O/Lot 4 FG 10.7 121.4 92 20 06/29/02 5688 Stanko Crcl/Sta 10+50 1295.0 9.3 121.0 91 20 06/29/02 5689 Suva Ln/Sta II +40 1293.0 9.9 121.2 91 20 06/29/02 5690 TR 23143-IO/Lot 7 FG 10.5 120.7 91 20 06/29/02 5691 TR 23143-1 O/Lot 8 FG 10.9 121.2 91 20 06/29/02 5692 TR 23 I 43-1OILot 9 FG 9.9 120.0 90 20 06/29/02 5693 TR23143-1OILot 10 FG 9.7 120.6 91 20 06/29/02 5694 TR23143-IOILot II FG 10.2 121.4 91 20 06/29/02 5695 TR23143-IOILo112 FG 11.3 119.6 90 20 06/29/02 5696 TR 23143-1 OILot 13 FG 10.7 119.8 90 20 06/29/02 5697 TR23143-IOILot 14 FG 10.2 121.4 91 20 06/29/02 5698 TR23143-IOILo115 FG 9.9 120.4 91 20 06/29/02 5699 TR23143-IOILot 16 FG 11.3 119.9 90' 20 06/29/02 5700 TR23143-10ILot 17 FG 9.8 120.3 91' 20 06/29/02 5751 TR23143-10ILot 19 FG 9.8 120.4 91 21 06/29/02 5752 TR 23143-1 O/Lot 20 FG 10.5 121.6 92 21 06/29/02 5753 TR 23143-IO/Lot 21 FG 10.2 121.0 91 21 06/29/02 5754 TR 23143-1 OILot 22 FG 11.3 121.2 91 21 06/29/02 5755 TR 23143-1OILot 23 FG 11.8 121.2 91 21 06/29/02 5756 TR 23143-10ILot 24 FG 9.7 120.6 91 21 06/29/02 5757 TR 23143-10ILot 25 FG 10.3 121.2 91 21 06/29/02 5758 TR 23143-10ILot 26 FG 11.8 118.7 90 21 06/29/02 5759 TR 23143-10/Lot 27 FG 11.2 120.9 91' 21 06/29/02 5760 TR 23143-1 OILol 28 FG 10.5 119.7 90 21 06/29/02 5761 TR 23143-10/Lot 29 FG 9.9 121.7 92 19 07/01/02 5777 TR 23143-IOILot 21 finish slope 1285.0 10.5 117.9 91 19 07/01/02 5778 TR 23143-10/Lot 15 finish slope 1292.0 9.8 121.8 94 19 07/08/02 5838 TR26941ILot 16 slope 1268.0 12.8 114.2 91 10 07/08/02 5839 TR 26941ILoI 16 slope 1269.0 13.5 113.9 91 10 07/08/02 5840 TR 26941ILot 16 slope 1270.0 13.2 115.1 92 10 07/08/02 5841 TR 26941/Lol 16 slope 1270.0 13.8 113.0 90 10 07/08/02 5842 TR 26941/LoI 16 slope 1271.0 11.9 114.2 92 10 07/08/02 5843 TR 26941ILoI 16 slope 1272.0 12.7 114.7 92 10 07/08/02 5844 TR 26941ILot 16 slope 1272.0 12.2 114.2 91 10 07/08/02 5845 TR 26941ILoI 16 slope 1273.0 12.1 115.8 93 10 PETRA GEOTECHNICAL, INC. NG 85% required/* Sandcone OCTOBER 2002 ~l J.N.241-01 ** 95% required TABLE-II 17 I I I I I I I I I I I I I I I I I I TABLE II Field Density Test Results 07/08/02 5846 TR 26941/Lot 16 slope 1274.0 12.1 07/08/02 5847 TR 26941ILot 16 slope 1274.0 12.8 07/08/02 5848 TR 23143-IO/Lot 38 1269.0 13.2 07/08/02 5849 TR 23143-IOILot 39 1271.0 12.9 07/08/02 5850 TR 23143-IOILot 40 1270.0 13.0 07/10/02 5876 TR 23143-IOILot 35 1278.0 12.8 07/1 0/02 5877 TR 23143-IOILot 36 1276.0 13.2 07/10/02 5878 TR 23143-IOILot 38 1275.0 13.8 07/10/02 5879 TR 23143-IOILot 39 1276.0 13.5 07/10/02 5880 TR 23 143-IO/Lot 40 1275.0 12.6 07/1 0/02 5881 TR 23143-IOILot 41 1275.0 13.8 07/1 0/02 5882 TR23143-IO/Lot42 1277.0 11.9 07/10/02 5883 TR 23143-IO/Lot 41 1278.0 12.8 07/10/02 5884 TR 23143-IO/Lot 39 1277.0 12.5 07/10/02 5885 TR23143-10ILot 37 1278.0 11.7 07/10/02 5886 TR 23143-IOILot 36 1279.0 12.9 07/10/02 5887 TR 23143-IO/Lot 37 1276.0 13.8 07/10/02 5888 TR 23143-IO/Lot 40 1277.0 12.7 07/10/02 5889 TR 23143-IOILot 41 1279.0 13.4 07/10/02 5890 TR 23143-IOILot 42 1278.0 12.8 07/10/02 5891 TR 23143-IOILot 41 1280.0 11.9 07/10/02 5892 TR 23 I 43-IOILot 40 1281.0 12.3 07/10/02 5893 TR 23143-10/Lot 39 1280.0 13.4 07/10/02 5894 TR 23143-IOILot 38 1281.0 14.2 07/10/02 5895 TR 23143-IOILot 37 1280.0 13.8 07/10/02 5896 TR 23143-IOILot 36 1281.0 11.5 07/1 0/02 5897 TR 23143-IOILot 41 1281.0 12.0 07/10/02 5898 TR 23143-10ILot 38 1282.0 12.5 07/10/02 5899 TR 23143-IO/Lot 40 1281.0 11.9 07/1 0/02 5900 TR23143-IO/Lot42 1282.0 12.1 07/08/02 5926 TR26941ILot II slope 1237.0 6.1 07/08/02 5927 TR26941ILot II slope 1239.0 4.7 07/08/02 5928 TR26941ILot II slope 1241.0 8.3 07/08/02 5929 RTNo.5926 8.2. 07/08/02 5930 RTNo.5927 11.7 07/08/02 5931 TR 23143-1 OILot 40 1271.0 14.7 07/08/02 5932 TR 23143-1 O/Lot 40 1272.0 15.9 07/08/02 5933 TR 23143-IO/Lot 38 1272.0 14.1 07/08/02 5934 TR 23143-IO/Lot 38 1273.0 13.1 07/08/02 5935 TR 23143-IO/Lot 36 1277.0 11.6 07/08/02 5936 TR 23143-IOILot 37 1278.0 14.5 07/08/02 5937 TR 26941ILot II slope 1241.0 8.7 PETRA GEOTECHNICAL, INC. NG 85% required/* Sandcone J.N.241-01 .. 95% required 116.1 114.9 115.6 113.1 116.1 112.3 114.2 112.9 114.5 114.2 113.6 114.8 114.9 113.6 113.8 114.5 113.0 112.8 114.4 113.6 113.4 114.8 114.4 114.4 114.1 112.0 112.7 114.5 114.4 114.8 116.2 109.0 119.7 119.0 120.3 110.3 111.9 113.7 114.4 115.1 112.9 119.7 93 92 92 90 93 90 91 90 91 91 90 92 92 91 91 91 90 90 91 91 91 92 91 91 91 90 90 92 91 92 89 83 91 91 92 92 93 91 92 92 91 91 10 10 10 10 10 6 6 6 6 6 6 10 10 10 10 6 6 10 10 10 10 10 6 6 6 10 10 10 10 10 20 20 20 20 20 13 13 10 10 10 10 20 OCTOBER 2002 TABLE-II 18 ~ I I TABLE II Field Density Test Results I I I I I I I I I I I I I I I I 07/08/02 5938 1R 26941/Lot II slope 1243.0 9.1 120.6 92 20 07/08/02 5939 1R 26941/Lot 11 slope 1243.0 8.7 126.1 94 22 07/08/02 5940 TR 26941/Lot 11 slope 1245.0 8.2 124.4 92 22 07/08/02 5941 TR 23143-IO/Lot 41 1274.0 8.7 117.7 90 20 07/09/02 5942 TR 23143-1 O/Lot 40 1275.0 10.2 118.4 90 20 07/09/02 5943 TR 23143-IO/Lot 39 1273.0 12.6 119.6 91 20 07/09/02 5944 TR 23143-10/Lot 38 1274.0 11.3 120.9 92 20 07/09/02 5945 TR 26941/Lot 16 slope 1274.0 15.8 110.9 92 13 07/09/02 5946 1R 26941/Lot 16 slope 1276.0 16.5 109.0 90 13 07/09/02 5947 TR 26941/Lot 11 slope 1245.0 9.7 128.4 95 22 07/09/02 5948 TR 26941/Lot 11 slope 1245.0 9.0 124.1 92 22 07/09/02 5949 TR 26941 /Lot 11 slope 1247.0 8.6 120.9 90 22 07/09/02 5950 1R 26941/Lot 11 slope 1247.0 9.3 123.7 92 22 07/11/02 5951 1R 23143-10/Lot 39 1283.0 13.0 114.3 91 10 07/11/02 5952 TR 23143-10/Lot 37 1283.0 11.0 114.7 92 10 07/11/02 5953 TR 23143-IO/Lot 40 1283.0 13.1 113.2 90 10 07/11/02 5954 1R 23143-10/Lot 50 1256.0 9.2 116.1 90 19 07/11/02 5955 1R 23143-10/Lot 51 1256.0 9.8 118.1 91 19 07/11/02 5956 1R 23143-10/Lot 52 1263.0 10.3 114.5 90 7 07/11/02 5957 TR 23143-1 O/Lot 49 1261.0 10.4 116.6 91 9 07/11/02 5958 TR 23143-IO/Lot 51 1259.0 11.1 117.1 91 9 07/12/02 5959 TR 23143-1 O/Lot 48 1263.0 12.6 115.0 92 10 07/12/02 5960 1R 23143-1 O/Lot 49 1261.0 12.2 116.0 93 10 07/12/02 5961 1R 23143-1 O/Lot 50 1262.0 11.9 115.1 92 10 07/12/02 5962 TR 26941/Lot 11 slope 1249.0 12.8 114.9 92 10 07/12/02 5963 1R 26941/Lot 11 slope 1249.0 12.3 115.9 93 10 07/12/02 5964 1R 26941/Lot II slope 1251.0 13.2 115.2 92 10 07/12/02 5965 TR 26941/Lot 11 slope 1251.0 11.3 117.0 91 9 07/12/02 5966 1R 26941/Lot 11 slope 1253.0 10.9 117.3 91 9 07/12/02 5967 1R 26941/Lot 11 slope 1253.0 11.7 116.5 91 9 07/12/02 5968 1R 23143-IO/Lot 50 1257.0 11.3 116.1 90 9 07/12/02 5969 TR 23143-10/Lot49 1262.0 12.1 117.3 91 9 07/12/02 5970 TR 26941/Lot 11 slope 1255.0 12.0 118.3 92 9 07/12/02 5971 TR 23143-10/Lot 51 1259.0 11.8 116.4 93 10 07/12/02 5972 1R 26941/Lot 11 slope 1255.0 12.7 116.9 93 10 07/12/02 5973 TR 26941/Lot II slope 1257.0 13.5 115.0 92 10 07/12/02 5974 TR 26941/Lot 11 slope 1257.0 12.2 115.6 92 10 07/12/02 5975 1R 26941/Lot 11 slope 1259.0 13.3 113.7 91 10 07/15/02 5976 TR 26941/Lot 11 slope 1260.0 9.6 116.3 90 19 07/15/02 5977 TR 26941/Lot II slope 1262.0 10.2 117.8 91 19 07/15/02 5978 1R 26941/Lot 11 slope 1264.0 12.3 119.1 92 17 07/15/02 5979 TR 26941/Lot 11 slope 1266.0 11.1 117.0 91 17 PETRA GEOTECHNICAL, INC. NG 85% required/* Sand cone OCTOBER 2002 ~ J.N.241-01 ** 95% required TABLE-II 19 I I I I I I I I I I I I I I I I I I I TABLE II Field Density Test Results ?...+li1~iJ!.. ...................~... ...............................................................+I~OO........... ..............................................If~"Y;i. .........M~~..~!!~~\it!1......~QTh'!!j ....~Q!i. ?in&TE ..iiNQ).... ...ii......i.......i??~i~iriQNi......i...iIi(ft)ii ....ii.i?(%).iri....................m~!J..i?i.{%).?iillMtEiii 07/15/02 07/15/02 07/15/02 07/15/02 07/15/02 07/15/02 07/15/02 07/15/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/16/02 07/17/02 07/1 7/02 07/17/02 07/17/02 07/17/02 07/17/02 07/17/02 07/17/02 07/17/02 07/17/02 07/17/02 07/17/02 07/17/02 07/17/02 5980 5981 5982 5983 5984 5985 5986 5987 5988 5989 5990 5991 5992 5993 5994 5995 5996 5997 5998 5999 6000 6026 6027 6028 6029 6030 6031 6032 6033 6034 6035 6036 6037 6038 6039 6040 6041 6042 6043 6044 6045 6046 TR 23143-10/Lot 48 TR 23143-1 OILot 48 TR 23143-1O/Lot 47 TR 23143-IOILot 48 TR 23143-1 OILot 49 TR 23143-10/Lot 49 TR 23143-10ILot 50 TR 23143-IOILot 51 RT No. 5984 RT No. 5985 RT No. 5986 RT No. 5987 TR 23143-1O/Lot 49 TR 23143-10/Lot 49 TR 26941ILots 9-11 slope TR 26941ILot 11 slope TR 23143-10/Lot 46 TR 23143-1OILot 47 TR 23143-10ILot 46 TR 23143-10/Lot 46 TR 26941/Lot 11 slope TR 26941ILot 11 slope TR 23143-1OILot 50 TR 23143-1 O/Lot 50 TR 23143-10/Lot 49 TR 23143-10ILot 48 TR 23143-1O/Lot 46 TR 23143-10/Lot 46 TR 23143-10/Lot 47 TR 23143-1OILot 47 TR 23143-1 OILot 49 TR 23143-10ILot 50 TR 26941ILot 11 slope TR 26941ILot 11 slope TR 26941/Lot 11 slope TR 26941ILot 11 slope TR 26941/Lot 9 slope TR 26941ILot 11 slope TR 23143-1O/Lot 47 TR 23143-10/Lot 47 TR 23143-10/Lot 50 TR 23143-1OILot 51 1273.0 1274.0 1277.0 1276.0 12 no 1272.0 1273.0 1274.0 8.8 9.5 8.1 10.1 6.7 7.9 10.7 8.1 10.4 11.6 9.8 10.9 7.5 8.1 10.6 9.9 8.7 9.3 10.6 11.4 9.1 7.8 8.8 9.2 8.6 8.0 9.1 10.4 10.6 11.1 12.6 13.0 9.1 8.2 10.8 11.4 12.7 13.6 9.4 8.7 10.3 8.4 PETRA GEOTECHNICAL, INC. NG 85% required/* Sandcone J.N.241-01 ** 95% required 1271.0 1272.0 1268.0 1270.0 1278.0 1279.0 1276.0 1277.0 1272.0 1274.0 1270.0 1272.0 1274.0 1276.0 1278.0 1280.0 1278.0 1280.0 1282.0 1282.0 1276.0 1278.0 1280.0 1280.0 1282.0 1282.0 1284.0 1282.0 1282.0 1284.0 118.8 120.0 117.4 119.0 113.3 111.1 115.0 112.8 118.3 119.7 120.3 118.1 121.2 123.6 118.9 119.7 120.1 118.7 117.7 119.1 120.5 122.2 120.3 121.0 120.0 120.8 119.1 117.9 118.9 120.1 114.3 115.4 118.1 119.6 116.6 117.7 113.9 113.0 120.6 121.7 119.3 122.8 92 92 91 92 88 86 89 87 92 93 93 92 90 92 92 93 92 91 91 92 90 92 90 91 90 90 91 90 91" 92 91 92 90 91 90 91 91 90 90 91 92" 92 20 20 19 19 19 19 19 19 19 19 19 19 22 22 19 19 20 20 19 19 12 12 12 12 12 12 20 20 20 20 8 8 20 20 17 17 6 6 12 12 17 12 OCTOBER 2002 ......71 TABLE-II 20 -....J"' I II I I I I I I I I I I I I I I I I I TABLE II Field Density Test Results IIR_III'lll!lljl!llnIJlf~'lrl;;IP' 07/18/02 07/19/02 07119/02 07/19/02 07/19/02 07/24/02 07/24/02 07/24/02 07/24/02 07/24/02 07/24/02 07/24/02 07/24/02 07/24/02 07/24/02 07/24/02 07/24/02 07/24/02 07/24/02 07/24/02 07/25/02 07/25/02 07/25/02 07/25/02 07/25/02 07/25/02 07/25/02 07/25/02 07/25/02 07/25/02 07/25/02 07/25/02 07/22/02 07/22/02 07/25/02 07/25/02 07/26/02 07/26/02 07/26/02 07/25/02 07/25/02 07/25/02 6091 6093 6094 6095 6096 6222 6223 6224 6225 6228 6229 6230 6231 6232 6233 6234 6235 6236 6237 6238 6239 6240 6241 6242 6243 6244 6245 6246 6247 6248 6249 6250 6253 6254 6417 6418 6419 6420 6421 6426 6427 6428 TR 26941ILot 13 slope TR 26941ILot 13 slope TR 26941ILot 13 slope TR 26941ILot 13 slope TR 26941/Lot 13 slope Wyandotte St/Sta 31+00 Hill St/Sta 10+00 TR 23143-IOILot 71 TR 23143-IOILot 71 Wolfe St/Sta 12+25 fs Wolfe St/Sta 12+50 fs TR 26941ILot 16 finish slope TR 26941ILot 16 finish slope TR 26941/Lot 16 finish slope TR 26941ILot 16 finish slope TR 26941ILot 16 finish slope TR 26941!Lot 16 finish slope TR 26941ILot 13 finish slope TR 26941 ILot 13 finish slope TR 26941/Lot 12 finish slope TR 26941ILot 12 finish slope TR 26941ILot 12 finish slope TR 26941ILot 12 finish slope TR 26941ILot 12 finish slope TR 26941ILot 11 finish slope TR 26941ILot 11 finish slope TR 26941ILot 11 finish slope TR 23143-10ILot 64 TR 23143-10/Lot 63 TR 23143-10ILot 30 TR 23143-10ILot 31 TR 23143-IOILot 32 RT No. 6095 RT No. 6096 TR 23143-10/Lot 46 TR 23143-1 OILot 45 TR 23143-10ILot 44 TR 23143-10ILots 42-43 TR 23143-10ILot 33 finish slope TR 23143-IO/Lot 33 TR 23143-10ILot 34 TR 23143-10/Lot 35 1276.0 1278.0 1280.0 1282.0 1284.0 12 77. 0 1290.0 1290.0 1292.0 1284.0 1272.0 1280.0 1271.0 1278.0 1268.0 1278.0 1270.0 1275.0 1260.0 1270.0 1250.0 1265.0 1275.0 1245.0 1255.0 1275.0 1260.0 FG FG FG FG FG 1281.0 1280.0 1279.0 1281.0 1287.0 FG FG FG 12.8 10.6 11.7 6.7 7.8 8.7 11.2 10.6 9.8 6.8 8.3 6.5 7.8 11.5 10.6 12.9 10.5 13.4 11.7 6.6 7.5 7.7 8.1 8.3 8.9 10.8 9.1 8.8 8.2 6.9 8.7 6.0 9.0 13.3 9.4 9.8 10.5 10.1 9.2 5.4 5.6 7.5 PETRA GEOTECHNICAL, INC. J.N.241-01 NG 85% required/> Sandcone ** 95% required 116.4 92 8 115.6 92 8 116.4 92* 8 118.6 89 12 117.3 88 12 119.9 90 21 118.5 92 17 117.4 91 17 116.2 90 17 122.8 93 2 114.1 90 7 119.1 90 2 120.3 90 II 119.2 91 20 120.2 92 20 113.1 91 15 119.2 91 20 113.6 92 15 118.8 92 20 120.0 90 21 118.7 91 20 118.3 90 20 119.1 92 5 124.2 92 22 123.7 92 22 112.0 91 18 118.0 91 5 124.3 92* 22 124.9 93* 22 123.5 92* 22 125.7 93* 22 124.2 92* 22 120.5 90 12 120.6 90 12 118.0 90 20 120.2 92 20 121.4 93 20 119.5 91 20 118.4 90 20 120.6 92 20 121.0 90 22 121.1 90 22 OCTOBER 2002 TABLE-II 21 ~V I I I I I I I I I I I I I I I I I I TABLE II Field Density Test Results 07/25/02 6429 TR 23143-101L0t 36 FG 07/25/02 6430 TR 23143-101L0t 37 FG 07/25/02 6431 TR 23143-101L0t 38 FG 07/25/02 6432 TR 23143-101L0t 39 FG 07/25/02 6433 TR 23143-101L0t 40 FG 07/25/02 6434 TR 23143-101L0t 41 FG 07/25/02 6435 TR 23143-101L0t 42 FG 07/25/02 6436 1R 23143-1 O/Lot 43 FG 07/25/02 6437 1R 23143-101L0t 44 FG 07/25/02 6438 1R 23143-101L0t 45 FG 07/25/02 6439 TR 23143-IO/Lot 46 FG 07/26/02 6440 1R 23143-101L0t 47 FG 07/26/02 6441 1R 23143-10/Lot 48 FG 07/26/02 6442 TR 23143-1 OlLot 49 FG 07/26/02 6443 TR 23143-101L0t 50 FG 07/26/02 6444 TR 23143-101L0t 51 FG 07/26/02 6445 TR 23143-10/Lot 34 finish slope 1290.0 07/26/02 6446 1R23143-101L0t31 finish slope 1286.0 07/26/02 6447 Pampa Crt/Sta 37+95 1280.0 07/26/02 6448 Wyandotte St/Sta 30+80 1278.0 07/26/02 6449 Stanko CrcllSta 12+00 1294.0 07126/02 6450 Stanko CrcllSta 17+00 1291.0 08/12/02 6796 Crowne Hill/Sta 70+40 1288.0 08/13/02 6857 TR 23143-1 OlLot 54 1282.0 08/13/02 6858 TR 23143-1 OlLot 54 1284.0 08/13/02 6859 TR 23143-10/Lot 55 1282.0 08/13/02 6860 TR 23143-1 OlLot 55 1283.0 08/15/02 6897 1R 23143-101L0t 71 1286.0 08115/02 6898 TR 23143-10/Lot 70 1288.0 08116/02 6944 1R 23143-lOlLot 73 1292.0 08/16/02 6976 1R 23143-10/Lot 69 1288.0 08/16/02 6977 TR 23143-10/Lot 78 1286.0 08116/02 6978 TR 23143-101L0t 71 1290.0 08116/02 6982 1R 23143-1 O/Lot 68 1288.0 08116102 6983 1R 23143-101L0t 78 1289.0 08/16/02 6984 TR 23143-1 O/Lot 68 1290.0 08116102 6989 1R 23143-101Lot 70 1282.0 08116/02 6990 1R 23143-1 O/Lot 69 1294.0 08119/02 7004 1R 23143-1 OlLot 69 1294.0 08/20/02 7055 TR 23 143-IO/Lot 68 1293.0 08/20/02 7059 TR 23143-101L0t 68 1294.0 08/20/02 7060 1R 23143-lOlLot 69 1293.0 6.8 7.5 7.3 7.6 5.9 6.2 6.1 6.1 8.4 9.7 8.4 6.1 6.3 8.9 8.0 6.4 8.9 8.3 9.2 11.2, 10.6 10.9 9.0 9.3 8.7 8.1 7.8 11.2 12.1 13.6 8.3 8.7 7.8 9.7 9.5 10.0 9.3 8.9 10.1 11.1 10.1 9.7 PETRA GEOTECHNICAL, INC. J.N.241-01 NG 85% required/* Sandcone .. 95% required 118.1 125.7 126.2 121.9 128.6 126.8 124.1 125.3 117.6 113.5 118.2 117.5 116.8 113.7 116.5 125.6 120.7 119.5 121.6 116.7 113.9 114.7 122.9 120.9 121.4 123.7 120.4 117.6 118.7 116.6 123.0 123.6 123.2 119.2 120.7 118.6 121.0 120.8 120.8 113.3 120.6 116.5 90 93 94 91 96 94 92 93 90* 90* 90* 90* 90* 90* 90* 93* 92 91 93 93 90 91 92* 91* 91 93 90 91 92 94* 91 92 92 90 91 90 91 91 90 91 92 90 20 22 22 22 22 22 22 22 20 8 20 I I 8 I 22 20 20 20 8 8 8 23 23 23 23 23 17 17 24 22 22 22 20 20 20 20 20 23 24 20 19 OCTOBER 2002 TABLE-II 22 5~ I I I I I I I I I I I I I I I I I I 08/20/02 08/27/02 08/27/02 08/27102 08/27/02 08/27/02 08/27/02 08/27/02 08/27/02 08/27/02 08/28/02 08/28/02 08/28102 08/26/02 08/26/02 08/27/02 08/27/02 08/27/02 08/27/02 08/27102 08/28/02 08/28/02 08/28/02 08/28/02 09/03/02 09/03/02 09/1 0/02 09/1 0/02 09/19/02 09/19/02 09/19/02 09/19/02 09/19102 09/19/02 09/19/02 09/19/02 09/19102 7061 7226 7227 7228 7229 7230 7231 7232 7233 7237 7240 7241 7242 7251 7252 7262 7263 7264 7265 7266 7267 7268 7269 7270 7361 7362 7451 7452 7635 7636 7637 7638 7639 7640 7641 7642 7643 TABLE II Field Density Test Results TR 23143-101L0t 69 TR 23143-101Lot 62 TR 23143-IO/Lot 62 TR 23143-10/Lot 43 finish slope TR23143-10/Lot41 finish slope TR 23143-10/Lot 39 finish slope TR 23143-101L0t 37 finish slope TR 23143-101L0t 34 finish slope TR 23143-101L0t 32 finish slope RT No. 1234 TR 23143-1 OlLot 65 finish slope TR 23143-10/Lot 65 finish slope TR 23143-10/Lot 67 finish slope TR 23143-10/Lot 64 finish slope TR 23143-101L0t 62 finish slope TR 23143-101L0t 74 TR 23143-101L0t 73 Monroy Crcl/Sta 11 +50 Monroy Crcl/Sta 12+75 Hill St/Sta 11+50 TR 269411L0t 11 finish slope TR 269411L0t 11 finish slope TR 269411L0t 11 finish slope TR 269411L0t 9 finish slope TR 23143-10/Lot 52 TR 23143-10/Lot 53 TR 23143-101L0t 52 TR 23143-IO/Lot 53 TR 23143-101L0t 68 TR 23143-101L0t 69 TR 23143-1 O/Lot 70 TR 23143-101L0t 71 TR 23143-IO/Lot 67 TR 23143-101L0t 66 TR 23143-10/Lot 65 Hill StlSta 10+30 Hill St/Sta 12+25 1293.0 1279.0 FG 1315.0 1311.0 1303.0 1297.0 1295.0 1287.0 1288.0 1287.0 1286.0 1282.0 ]286.0 1286.0 ]290.0 1287.0 1275.0 1265.0 1270.0 1280.0 1284.0 1283.0 FG FG FG FG FG FG FG FG FG 1284.0 1281.0 9.4 119.0 90 20 9.8 121.5 94 19 10.5 117.9 91 19 10.2 120.2 93 19 12.6 113.4 91 24 11.9 115.5 92 24 13.3 112.0 90 24 11.9 115.5 92 24 12.7 112.7 90 24 10.2 119.1 92 19 9.7 121.0 92 20 9.2 123.1 91 20 8.9 124.1 94 20 10.2 115.0 92 24 9.9 114.1 92 24 9.0 122.9 92 23 9.2 124.3 93 23 8.8 126.6 94 22 8.2 125.9 94 22 7.5 125.6 94 22 9.2 119.5 93 19 9.8 118.4 92 19 9.6 119.8 93 19 9.9 120.1 93 19 12.6 119.6 93 17 11.1 117.2 91 17 6.7 126.4 94 22 7.4 122.7 91 22 11.6 114.6 92 24 7.0 120.5 92 20 7.2 118.9 91 20 8.3 120.1 92 20 9.4 117.0 91 19 8.0 117.8 91 19 7.3 116.0 90 19 9.2 119.3 91 20 10.7 117.1 91 19 PETRA GEOTECHNICAL, INC. J.N.241-01 NG 85% required/' Sandcone " 95% required 6~ OCTOBER 2002 TABLE-II 23 I I I I I I I I I I I I I I I I I I I I REFERENCES Blake, T.F., 1998/1999, "UBCSEIS" Version 1.03, A Computer Programfor the Estimation of Uniform Building Code Coefficients Using 3-D Fault Sources. International Conference of Building Officials, 1997, "Uniform Building Code," Volume 2, Structural Engineering Design Provisions, dated April 1997 . Earth Research Associates, Inc., 1987, Evaluation of Faulting and Liquefaction Potential, Portion of Wolf Valley Project, Rancho California, County of Riverside, California, J.N. 298-87, dated November 20, 1987. , 1988, Preliminary Soils Engineering and Engineering Geologic Investigation, Red Hawk Project, Rancho California Area, County of Riverside, California, J.N. 298-87, dated February 2, 1988. Kennedy, M.P., 1977, Recency and Character of Faulting Along the Elsinore Fault Zone in Sonthern Riverside County, California, CDMG Special Report 131. Petra Geotechnical, Inc., 1999, Geotechnical Report of Rough Grading, Phases 2 through 5 -- Tract 23143-2, Lots I and 2, 7 through 16,23 through 56 and 64; Phases 2 through 8 -- Tract 23143-3, Lots 9 through 21 and 28 through 98; and Phases 2 through 8 -- Tract 23143-4, Lots 18 through 80, Crowne Hill, City of Temecula, Riverside County, California;for Richmond American Homes, J.N. 444-98, dated September 7,1999. , 200 la, Geotechnical Investigation of Tracts 23142 and 26941 and Preliminary Sewage-Disposal Feasibility Evaluation of Crowne Hill Estate Lots, Tract 26941, City of Temecula, Riverside County, California, J.N. 241 01, dated June 4, 2001. , 200 I b, Geotechnical Review of Rough-Grading Plans for Tracts 23143-1, 23143-6 through 23143-11, 23143-F, Crown Hill Park Site (Tract 23145-5) and Park Site 'A' (Lot 104 of Tract 23143-F), City of Temecula, Riverside County, California, LN. 241-01, dated October 31, 2001. , 2001c, Settlement Characteristics of Fill Soils for Tract 23143, City of Temecula, Riverside County, California, J.N. 241-01, dated December 10, 2001. , 2001d, Reliance Letter for Tracts 23143-1, 23143-6 through 23143-11, 23143-F, Crowne Hill Park Site (Tract 23145-5) an d Park Site "A" (Lot 104 of Tract 23143-F), City of Temecula, Riverside County, California;for Lowe Enterprises Residential Advisors, J.N. 241-01, dated December II, 2001. , 2002a, Geotechnical Recommendations for Removal Depths, Park Site A within Tract 23143-F and Park Site F within Tract 23143-5, City of Temecula, Riverside County, California, J.N. 241-0 I, dated January 24, 2002. , 2002b, Geotechnical Report of Rough Grading, Proposed Elementary School Site, Tract 23143-5, City of Temecula, Riverside County, California, J.N. 241-01, dated May 8,2002. ,2002c, Supplemental Geotechnical Investigation, Lots I, 3 and 5, Tract 29641, Estate Lots, City of Temecula, Riverside County, California, J.N. 219-02, dated May 14, 2002. PETRA GEOTECHNICAL, INC. J.N. 241-01 OCTOBER 2002 fA I I I I I I I I I I I I I I I I I I I REFERENCES (Continued) ,2002d, Geotechnical Report of Rough Grading, Lots I through 105 aud Slope Lot 106, Tract 23143-8, City of Temecula, Riverside County, California, J.N. 241-01, dated June 21, 2002. , 2002e, Geotechnical Report of Rough Grading, Lots I through 84, 89 through 114, Slope Lots 116 through 122 and 126 and Park Site 123 (E), Tract 23143-6, City of Temecula, Riverside County, California, J.N. 241-01, dated July I, 2002. , 2002f, Geotechnical Report of Rough Grading, Lots I through 85, Tract 23143-7, City of Temecula, Riverside County, California, J.N. 241-01, dated July IS, 2002. , 2002g, Geotechnical Report of Rough Grading, Lots 1 through 71, Open Space Lots 128 through 133 and Park Sites "c" and "D" (Lot 134), Tract 23143-9, J.N. 241-01, dated July 19, 2002. OCTOBER 2002 PETRA GEOTECHNICAL, INC. J.N. 241-01 ~ I I I I I I I I I I I I I I I I I I I APPENDIX A LABORATORY TEST CRITERIA Laboratorv Maximum Drv Densitv Maximum dry density and optimum moisture content were determined for selected samples of soil and bedrock materials in accordance with ASTM Test Method D1557. Pertinent test values are given on Plate A-I. EXDansion Potential Expansion index tests were performed on selected samples of soil and bedrock materials in accordance with ASTM Test Method 04829. Expansion potential classifications were determined from 1997 UBC Table 18-l-B on the basis of the expansion index values. Test results and expansion potentials are presented on Plate A-2. Soil Chemistry Chemical analyses were performed on selected samples of onsite soil to determine concentrations of soluble sulfate and cWoride, as well as pH and resistivity. These tests were performed in accordance with California Test Method Nos. 417 (sulfate), 422 (chloride) and 643 (pH and resistivity). Test results are included on Plate A-3. PETRA GEOTECHNICAL, INC. J.N. 241-01 OCTOBER 2002 '50 I I EXPANSION INDEX TEST DATA I I 3 1 through 3 12 Very Low 5 4 through 6 22 Low I 8 7 through 9 35 Low 11 10 through 12 45 Low I 14 13 through 15 17 Very Low 17 16 and 17 27 Low I 19 18 through 20 26 Low 22 21 through 23 47 Low I 25 24 through 26 60 Medium 28 27 through 29 29 Low I 32 30 through 34 39 Low 37 35 through 39 62 Medium I 42 40 through 44 15 Very Low 47 45 through 49 44 Low I 51 50 and 51 36 Low 54 52 through 56 3 Very Low I 69 57 through 61 18 Low I 64 63 and 64 12 Low 66 65 through 67 32 Low I 69 68 through 71 0 Very Low Park Site liB" Park Sit "B" (Lot 75) 47 Low I (2) PER ASTM TEST METHOD 04829 (3) PER 1997 UBC TABLE 18-I-B I I PETRA GEOTECHNICAL, INC. OCTOBER 2002 I J.N. 241-01 Plate A-2 I $B I I EXPANSION INDEX TEST DATA I I 3 1 through 3 12 Very Low 5 4 through 6 22 Low I 8 7 through 9 35 Low 11 10 through 12 45 Low I 14 13 through 15 17 Very Low 17 16 and 17 27 Low I 19 18 through 20 26 Low 22 21 through 23 47 Low I 25 24 through 26 60 Medium 28 27 through 29 29 Low I 32 30 through 34 39 Low 37 35 through 39 62 Medium I 42 40 through 44 15 Very Low 47 45 through 49 44 Low I 51 50 and 51 36 Low 54 52 through 56 3 Very Low I 69 57 through 61 18 Low I 64 62 and 64 12 Very Low 66 65 through 67 32 Low I 69 68 through 71 0 Very Low Park Site "B" Park Sit "B" (Lot 75) 47 Low I (2) PER ASTM TEST METHOD 04829 (3) PER 1997 UBC TABLE 18-I-B I I PETRA GEOTECHNICAL, INC. OCTOBER 2002 I J.N. 241-01 Plate A-2 I ~ I I I I I I I I I I I I I I I I I I I SOIL CHEMISTRY 7 through 9 ND concrete: mild steel: 16 through 17 ND 125 6.7 2,800 concrete: mild steel: moderate 35 through 39 ND 42 8.0 5,000 concrete: mild steel: moderate 45 through 49 0.01 concrete: mild steel: 63 and 64 ND 65 7.9 2,900 concrete: mild steel: moderate 68 through 71 0.01 118 7.4 7,000 concrete : mild steel: mild (4) PER CALIFORNIA TEST METHOD NO. 417 (5) PER CALIFORNIA TEST METHOD NO. 422 (6) PER CALIFORNIA TEST METHOD NO. 643 (7) PER CALIFORNIA TEST METHOD NO. 643 PETRA GEOTECHNICAL, INC. J.N. 241-01 OCTOBER 2002 Plate A-3 Gsa