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1999-02-04 Revised Lot-by-Lot TabulationV/ BRAUN . I NTE RTEC February 4, 1999 Mr. Don Jensen Pilot Land Development Company 13736 Northeast Johnson Street Ham Lake, MN 55304 Dear Mr. Jensen: t in Intertec Corporation 6801 Washington Avenue South P.O. Box 39108 Minneapolis, Minnesota 55439-0108 612-941-5600 Fax:941-4151 Engineers and Scientists Serving the Built and Natural Environments' Project BDXX-97-309D Re: Revised 79g Lot -by -Lot Tabulation, Center Oaks 2nd through 4`s Additions, Albertville, Minnesota As requested, we have revised the 79g lot -by -lot tabulation for the Center Oaks 2nd through 4 h Additions development to include the results of the recent compaction testing. Background Information Braun Intertec performed excavation observations and compaction testing during the site grading of the development. The results were submitted in our report dated April 13, 1998. As indicated on the previous 79g lot -by -lot tabulation, we recommended that compaction testing be performed during house construction at several house locations. Compaction tests were not performed at these house pads during the original site grading. The lot and block numbers for several of the house pads within the 4 h addition were revised. These revisions were marked on our previously submitted 79g lot -by -lot tabulation by Meyer- Rohlin, Inc. The attached 79g lot -by -lot tabulation includes these revisions. Compaction Testing A total of 27 compaction tests were performed between October 9 and December 4, 1998, at house pad locations where additional compaction testing was recommended. All compaction tests met or exceeded the minimum density requirement of 95 percent of standard Proctor density. The compaction test results are attached to this report. Revised 79g Lot -by -Lot Tabulation The attached 79g lot -by -lot tabulation outlines the applicability of each house lot within the Center Oaks 2nd to 4`h Additions development. In summary, the graded house pads meet 79g requirements with the exception of lots 1 and 2, block 3, 4`h addition. At these two house pads, the surcharge was in place and the recommended compaction testing could not be performed. We recommend that compaction testing be performed at these two house pads during house construction. General Remarks The graded building pad locations are shown on the grading improvement project construction plans dated August 22, 1997, last revised October 8, 1997, prepared by Meyer-Rohlin, Inc. The area corrected for a proposed building is a specific area shown on this plan. The exact locations and preparation of the graded building pads is the responsibility of the excavation contractor. Pilot L, a Development Company Project BDXX-97-309D February 4, 1999 Page 2 We caution any builder who builds on this project to carefully evaluate the location of the proposed building with respect to the corrected building pad. A building situated on a lot that is not located within the corrected pad location may not be founded on suitable soil or have adequate oversizing for lateral support of the fill or foundation loads. If a builder is unsure as to the location of the corrected pad, or if they are suspicious as to the suitability of the foundation soils, it is recommended we be contacted to assist the builder in locating the building pad and suitable foundation soils. No established national standard exists for excavation observations. We have used the methods and procedures described in this report to evaluate the exposed soils. Other firms may use different procedures to evaluate bottoms of excavations. Services performed by Braun Intertec personnel for this project have been conducted with that level of care and skill ordinarily exercised by members of the profession currently practicing in this area under similar budget and time restraints. No warranty, expressed or implied, is made. Thank you for using Braun Intertec. If you have any questions or require additional information, please call John Carlson at (612) 942-1783. Sincerely, Paul D. Haugo Engineering Assistant Professional Certification: I hereby certify that this plan, specification or report was prepared by me or under my direct supervision and that I am a duly Registered Professional Engineer under the laws of the State of Minnesota. John T. Carlson, PE Senior Engineer Registration Number: 20663 Attachments: 79g Lot -by -Lot Tabulation Report of Field Compaction Tests, Reports 1 through 5 c: Mr. Dave Backes; D & M Excavating Mr. Scott Dahlke PE; Meyer-Rohlin, Inc. jtc:s1j\bdxx\rpt\97309D-1 co c w rn O O M lfl m U'f o n O Z Vm y m m m m m m m O U O V C Q. a n E E y (n y y m $ m m $ m m m m m m m m $ `� o o c� c> o 0 0 0 c E E N E E Y3 .Q .Q .Q .Q .Q .� .� .Q .Q .� .a U aE aE aE aE m W ❑j m m m w m c 0 c 0 c 0 c 0 c 0 c 0 c 0 c 0 c 0 c 0 c O O O' > > O O' O O Q O O O m m m m m m m m m m m C O a O U N Z � m n H m N E m o Y— M U r c 0 0 � m o > v rn rn co m m rn -It Of rn o x m W m rn d m c 3 a � m c > � m o w C7 m ll f9 C !� CO y «� m o cA O O Q Mt m � M LL C ~ L = E _ fV v N o Or t• c0 C m J O LL y O = y O tD � � U m LL cOi U U U U U U u c=i U U u y CO J U C m l L. tm 'fl m Cp O C LL a O 1[J m m M cA O 1� � C• � � � t• lC) n y c9 m > OD �n C) CR) u� CA O) O m '— m r' m ("1 in M 10 M m C7 ca M t"l 7 co O y m Q) m m m m m m m m m a) m m m V a` W c� `o 0 0) c O LL O O M n d > N N N N O � r--� n cC'S o E a m rn m rn m m m rn m rn m m m m m a y W m m c9 N y �� (] rn N �(] rn c0 to rn ct") rn O c0 rn cD rn M cD rn �t c0 rn M c0 rn 'cf c0 rn to cD m tD c0 m cp c0 m c0 c0 rn K cD m m r C C cp O N M M M cD to to cD c0 tD c0 t0 c0 fo C 0 •C ll O m m m QI m m m m m m m m m m m O) a, m m CT O 3 d O O O O O O O m O O Cl p A w w W W U) W m m LL m LL m LL W U)cn W W cn W u) W U) W U) W U) E S ~ U) '4"S � � � � 2 _ m = cp Cl) U) LL LL LL U- cl U- LL O O N Y YO a X X O x E E E 3 0 Y m o m y y y U O N N N N N N M M M M M M M C C l0 o O W m a � -0 LL LL LL Cn C1) C O c c c c c c c c c c c c c c c c O O O ¢ O m m Co W W d LL LL LL Cn Cn L L; a0 C Cm m O O M m m ml t0 m a o Z L U m � H rn rn r r a E m m m m m m m •� m m m � m m d EO � m m m m m m o coo U u c�a c> 'E m o P _ u U Y o a a E c c m U a m a co a m a cc o_ m a- m a a m a m c c m m a E c m a E m 0 0 0 0 0 0 0 0 0 0 0 m m m m O mt Cl F) X 0 m C C C Of C O C Of C Of C OI C O) C O] C O) C 01 j J O' D' O m> Ql m O O Qr a7 Q7 m> mI O O) O p C O a o (mv Z ao r d y H O U ,6 c 0 0 E 'm a m o O � rn rn O U m W d m c 0 3 C6 m c > � m o W U' m LZ a O C O Q i7 L m � f = L = E Co �_ 20 CO EO r m �, �, r J a ml r U m U U U V U U U U 0 C •O J 0 U m C_ m LL � H O! 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Box 39108 Minneapolis, Minnesota 55439-0108 612-941-5600 Fax: 941-4151 Engineers and Scientists Serving the Built and Natural Environments Project: BAXX-99-003 Project Description: Center Oaks; 2nd to 4`h Additions Albertville, Minnesota Report: 1 Test Date Type Soil ID and Classification Optimum Moisture* (%) Max. Lab Dry Density* (Std.Proc.) (pcf) Inplace Moisture (%) Inplace Dry Density (pcf) Relative Compaction (%) Specified Minimum Compact. (%) Comments 39 10/9/98 N P-2: CL 15.5 113.5 15 ill 100 95 A 40 10/9/98 N P-2: CL 15.5 113.5 17 ill 98 95 A 41 10/9/98 N P-2: CL 15.5 113.5 14 112 99 95 A 42 10/9/98 N P-2: CL 15.5 113.5 15 ill 98 95 A 43 10/9/98 N P-2: CL 15-5 113.5 16 ill 98 95 A Key: N = Nuclear, ASTM D 2922 SC = Sand Cone, ASTM D 1556 * = O.M. and M.L.D.D. rounded to nearest 0.5 A = Test results comply with specifications. B = Test results do not comply with specifications. Test Test Location Elevation 39 Lot 11 B-1, 2°d Addition 961 40 Lot 1, B-1, 2nd Addition 959 41 Lot 1, B-1, 2nd Addition 957 42 Lot 10, B-2, 3td Addition 961 43 Lot 10, B-2, 3`d Addition 959 Elevation Reference: c: slj',bau,99003%cts i Braun }IInt�ertec Corporation John T. Carlson, PE Senior Engineer B In I NTE RTEC Report of Field Compaction Tests Date: January 25, 1999 Client: Mr. Don Jensen Pilot Land Development Company 13736 NE Johnson Street Ham Lake, NIN 55304 Test 44 45 46 47 48 braun Intertec Corporation 6801 Washington Avenue South P.O. Box 39108 Minneapolis, Minnesota 55439-0108 612-941-5600 Fax: 941-4151 Engineers and Scientists Serving the Built and Natural Environments" Project: BAXX-99-003 Project Description: Center Oaks; 2°d to 4"' Additions Albertville, Minnesota Report: 2 Date Type Soil ID and Classification Optimum Moisture* (%) Max. Lab Dry Density* (Std.Proc.) (pcf) Inplace Moisture (%) Inplace Dry Density (pcf) Relative Compaction (%) Specified Minimum Compact. (%) Comments 11/9/98 N P-1: CL 16.0 111.5 18 110 99 95 A 11/9/98 N P-1: CL 16.0 111.5 18 106 95 95 A 11/9/98 N P-1: CL 16.0 111.5 19 106 95 95 A 11/9/98 N P-1: CL 16.0 111.5 18 111 100 95 A 11/9/98 N P-L CL 16.0 111.5 17 113 101 95 A Key: N = Nuclear, ASTM D 2922 SC = Sand Cone, ASTM D 1556 * = O.M. and M.L.D.D. rounded to nearest 0.5 A = Test results comply with specifications. B = Test results do not comply with specifications. Test Test Location Elevation 44 Lot 2, B-4, 3`d Addition 955 45 Lot 2, B-4, ) Addition 953 46 Lot 2, B-4, ) Addition 951 47 Lot 2, B-3, 3`dAddition 953 48 Lot 2, B-3, 3`dAddition 951 Elevation Reference: c: stjlbaaa590031cts2 Braun Interteec� Corporation John T. Carlson, PE Senior Engineer NTE RTEC Report of Field Compaction Tests Date: January 25, 1999 Client: Mr. Don Jensen Pilot Land Development Company 13736 NE Johnson Street Ham Lake, MN 55304 nroun Intertec Corporation 6801 Washington Avenue South P.O Box 39108 Minneapolis, Minnesota 55439-0108 612-941-5600 Fax:941-4151 Engineers and Scientists Serving the Built and Natural Environments' Project: BAXX-99-003 Project Description: Center Oaks; 2nd to 4`s Additions Albertville, Minnesota Report: 3 Test Date Tvpe Soil ID and Classification Optimum Moisture* (%) Max. Lab Dry Densitv* (Std.Proc.) (pcf) Inplace Moisture (%) Inplace Dry Densitv (pcf) Relative Compaction (%) Specified Minimum Compact. (%) Comments 49 12/4/98 N P-1: CL 20.5 103.5 23 99 96= 95 A 50 12/4/98 N P-1: CL 16.0 111.5 19 108 97 95 A 51 12/4/98 N P-1: CL 16.0 111.5 20 106 95 95 A 52 12/4/98 N P-1: CL 16.0 111.5 18 109 98 95 A 53 12/4/98 N P-1: CL 16.0 111.5 19 108 97 95 A 54 12/4/98 N P-1: CL 16.0 111.5 19 108 97 95 A 55 12/4/98 N P-1: CL 16.0 111.5 15 112 100 95 A Key: N = Nuclear, ASTM D 2922 A = Test results comply with specifications. SC = Sand Cone, ASTM D 1556 B = Test results do not comply with specifications. * = O.M. and M.L.D.D. rounded to nearest 0.5 Test Test Location Elevation 49 Lot 2, B-1, 2nd Addition 958 50 Lot 4, 5, B-1, 4`h Addition 954 51 Lot 4 5, B-1, 4`s Addition 952 52 Lot 3, 4, B-3, 4`h Addition 952 53 Lot 3, 4, B-3, 4`s Addition 950 54 Lot 1, B-3, 3rdAddition 952 55 Lot 3, 4, B-3, 3rdAddition 953 Elevation Reference: c sljlbaxx\990031cts3 Braun Interte`cA,C^orp-oration John T. Carlson, PE Senior Engineer B RAU K" NTE RTEC Report of Field Compaction Tests Date: January 25, 1999 Client: Mr. Don Jensen Pilot Land Development Company 13736 NE Johnson Street Ham Lake, MN 55304 k.aun Intertec Corporation 6801 Washington Avenue South P.O. Box 39108 Minneapolis, Minnesota 55439-0108 612-941-5600 Fax: 941-4151 Engineers and Scientists Serving the Built and Natural Environments' Project: BAXX-99-0003 Project Description: Center Oaks; 2nd to 4' Additions Albertville, Minnesota Report: 4 Test Date Type Soil ID and Classification Optimum Moisture* (%) Max. Lab Dry Density* (Std.Proc.) (pcf) Inplace Moisture (%) Inplace Dry Density (pcf) Relative Compaction (%) Specified Minimum Compact. (%) Comments 56 12/4/98 N P-1: CL 16.0 111.5 16 ill 100 95 A 57 12/4/98 N P-1: CL 16.0 111.5 18 106 95 95 A 58 12/4/98 N P-3: CL 20.5 103.5 19 103 100 95 A 59 12/4/98 N P-1.- CL 16.0 111.5 13 112 100 95 A 60 12/4/98 N P-1: CL 16.0 111.5 18 109 98 95 A 61 12/4/98 N P-1: CL 16.0 1 111.5 19 107 96 95 A 62 12/4/98 N P-L CL 16.0 111.5 19 107 96 95 A Key: N = Nuclear, ASTM D 2922 SC = Sand Cone, ASTM D 1556 * = O.M. and M.L.D.D. rounded to nearest 0.5 A = Test results comply with specifications. B = Test results do not comply with specifications. Test Test Location Elevation 56 Lot 4, B-1, 3rd Addition 958 57 Lot 5, 6, B-31 3rd Addition 955 58 Lot 5, 6, B-3, 3rd Addition 953 59 Lot 1, 2, B-4, 4`h Addition 954 60 Lot 3, 4, B-4, 4`h Addition 953 61 Lot 4, 5, B4, 4`h Addition 953 62 Lot 17, 18, B-2, 3rd Addition 953 Elevation Reference: c: slj\ba)a09003\cts4 Bra/In uun� Inte�rtec' Corporation / - ' W)6� John T. Carlson, PE Senior Engineer BRAU NTE RTEC Report of Field Compaction Tests Date: January 25, 1999 Client: Mr. Don Jensen Pilot Land Development Company 13736 NE Johnson Street Ham Lake, MN 55304 Braun Intertec Corporation 6801 Washington Avenue South P.O. Box 39108 Minneapolis, Minnesota 55439-0108 612-941-5600 Fax: 941-4151 Engineers and Scientists Serving the Built and Natural Environments' Project: BAXX-99-003 Project Description: Center Oaks; 2nd to 4' Additions Albertville, Minnesota Report: 5 Test Date Type Soil ID and Classification Optimum Moisture* (%) Max. Lab Dry- Density* (Std.Proc.) (pcf) Inplace Moisture (%) Inplace Dry Density (pcf) Relative Compaction (%) Specified Minimum Compact. (%) Comments 63 12/4/98 N P-3: CL 20.5 103.5 19 104 100 95 A 64 12/4/98 N P-3: CL 20.5 103.5 19 104 95 95 A 65 12/4/98 N P-1: CL 16.0 111.5 18 110 99 95 A Key: N = Nuclear, ASTM D 2922 SC = Sand Cone, ASTM D 1556 * = O.M. and M.L.D.D. rounded to nearest 0.5 A = Test results comply with specifications. B = Test results do not comply with specifications. Test Location Elevation P64 Lot 16, 17, B-2, 3`d Addition 956 Lot 16, 17, B-2, 3`d Addition 954 65 Lot 15, 16, B-2, 3`d Addition 955 Elevation Reference: c sljlbaY-x09003\cts5 Braun InterttnecA�C''norporation l�A--\ John T. Carlson, PE Senior Engineer