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HomeMy WebLinkAboutsoils inspection/compaction control .. ,�' Patrick J Hines, PE � 15481 Dresden Trafl Apple Valiey MN 55124 (612) 423.4247 7 October 1997 ��C,�1��� r1r Marty Ziermann OCj U � �99� Marty' s Excavating F phONO 7185 Rutz Lake Road C\-��( O Mayer MN 55360 Re: Soils Inspection and Compaction Control Proposed Single Family Residence Lot 4 Block 4 Sugar Woods Hennepiii Co (Orono), Minresota Please be advised that I did, between 30 September 1997 and 5 Uctober 1997, inspect excavations and perform field and laboratory tests upen compacted fiil at the above referenced locations. The purpose was to assure conform— 2nce with minimum Building Code provisons. Please accept this letter ar.d attachments as my report of work accomplished. I was summoned to the site when it became obvious that, due to the eleva— tion difference between garage footings and existing terrain, cornbined with the discovered depth af required excavations, contrailed fill would be nec— essary below at least below garage footings and, to a lesser extend, below � residence area footings. .�.. There were no soil bcrings on the site prior to this work. Rather. , minimum � Building Code requirements were elected by you to be followed (footings or � controlled fill to rest upon naturally occurring mineral soi1, firm enough to support the werk, compaction to be at least 950 of Standard Maximum Den— � • sity). � The inspection of the garage area and a portion af the residence area was � performed by myself on 30 September 1997. I verified that all uncontrolled .' fi11, buried 'numus and topsoil was removed from ar. ev�rsized building pad � area. Base soil is a lean clay, gray, mottled, hard in lower elevations, with a medium condition prevalent in upper 2evels. I probed the bottom of � the excavation at several points to assure that no "false hottoms" were Qi present. Water was not present in the excavation. � Refer to the enclosed sketch for a recording of base of excavation eleva— ti.ons and oversizing pravided as a function of garage location. Horizontal and vertical control was provided mostly hy you. I assigned, f�r keeping track of density test levels, lOU.UC as the bottom of proposed garage foct— ,R �ngs. Based upon these recordirigs, oversizing is adequate for ali footings. In the residence area, since natural mineral soil quickly rises to th= south, there will be very little fi.li over mcst of this area. Hence, I oniy casually �nspected this area, and did not measure c�versizing, except for applicable zones near the garage. • Mr Marty Ziermann - 7 October 1997 Page 2 Between 30 September and 5 October 1°97 I took nine density tests, in— cluding three retests, using the sand cone method, on fill that was ap— plied for footing support. The fill material changed considerably over the course of the project, so three proctor tests were nece.ssary. Test results are enclosed. Ncte that, initially, density tests failed. After re—excavation and recompacting, adjusting compaction methods as necessary, a11 tests met minimum Building Code standards (equal to or greater than 95% of Standard Maximum Density). Therefore, it is likel_y that adeGuate site preparation has been performed, that base soils are suitable to support the work, and that fill, at least to a level equal to the bottoms of garage footings, has been adequately compacted. I recommend cor.struction using standard footings. The limitations of this investigation are essentiaZly as per notations on the density test sheet. Due to the nature �f soil engineering in general, no warranty or guarantee of the site is made or implied. If you have any questions on this project, do not hesitate to contact me at your convenience. Respectfully submitted, `,----__._�--.�• � � ��---� � , � � .>`����.r_.�c Patrick J Hines, PE enclosures cc: City of Orono, Building Inspection PN •c-,r-..�s _,.,. - .i::LJ� .�i's�."'�t 7 i��� C i- . . , .. . _.f . r^ . ^t- �ri . ,r.r.-.�„ ....� . ! _.'�i �1r'. �i?":'r.t._ � .. L: � . , . . _ ,.��.. y • . � . . .. , . �.�,r� ^,* r er.. �- .:'t+ 1 �� . . _ . . . . -- . .�r�,'�f.�t�..':�` ._ - �. ,: ._ `.'_.. ,. .. � .�,.�:: '�'����..:.-? ,; �._'., . r .- . ,_ , `, . �:il�. � l= c`, t � .... t' �,3r .. �`�- -� yt`'."_"'_ � � � E:;�T�: � �� �� �wsnr�:�.�aj�, ���. r�o. ►z� ,� q �.�1 ��, � I I� /o' gi� 9/ 8 /9 x �9, 7 91•25 Proposed Garage Slab = 103.2+ Footing� � 100.Q �� (arhitrary) �y,� .-- 4z.s �3' x s 9•br � Living Area ��' Footings = 95.5 (arb) � � * 4� � � 91,3 93.� ELEVATIONS OF BASE OF EXCAVATION patr i c!c J H i nes , f'F AND OVERSIZING PROVIDED 'r�E' ' flresden Tra i J;. Appte `!al l.ey MN �r1?�' SCALE: 1�� _ � DqAWN BY �'N -N- o�TE: 7 OCt �97 . �,> >-•_�,�q� Proposed Single Family Residence Lot 4 Block 4 Sugar Woods,� Hennepin Co (Orono),Minn Client: Marty's Excavating � Mayer, Minnesota ' Patrick J Hines, PE 15481 Dresden Trail Apple Valley MN 55124 (612) 423.4247 DENSITY TEST REPORT 7 October 1997 Mr Marty Ziermann . Marty's Excavating 7185 Rutz Lake Road Mayer MN 55360 Re: Compaction Control Proposed Single Family Residence Lot 4 Block 4 Sugar Woods Hennepin Co (Orono) , Minn Date Tested: 30 Sepf +97 1 October '97 Method: ASTM D 1556 (4" Sand Cone) Tested by: pH Test No: 1 lA 2 (Retest #1) Location: @ SE corner± of 7�N,3'W 3'N,3'W , garage of SE garage corner Elevation, or Depth: 90.8 90.3 92.3 � Dry Density, p�f: 96.8 100.3 102.5 % Moisture: 16.2 16.9 12.6 Std Maximum Density, pcf: 111.4 111.4 114.5 '/, Moisture at Maximum: 15.5 15.5 14.6 Relative Density, '/o: �P-1� �P-1� tP-2� 67 90 89� Comments: FAIL FAIL FAIL Recoommend Re-excavation & itecompaction Please be advised that the above test results are a random sample of field con- ditions. they may or may not be representative of the entire area. No warranty of the site is made or implied Respectfully submitted, � �� Patrick J Hines, PE Reg No 12086 copies to: City of Orono, Bldg Insp T ' Patrick J Hines, PE 15481 Dresden Trail Apple Valley MN 55124 (612) 423.4247 DENSITY TESI REPQRT 7 October. 1997 • Mr Marty Ziermann Marty's Excavating 7185 Rutz Lake Road Mayer Mn 55360 Re: Compaction Control Proposed Single Family Residence Lot 4 Block 4 Sugar Woods Hennepin Co (Orono), Minn Date Tested: 2 October 1997 - AM Method: ASTM D 1556 (4" Sand Cone) Tested by: pH Test No: iB 2A 3 (retest 1,1A) (retest 2) Location: 2'N,6'E $'N,5'E 32'W of SE Garage Corner Elevation, or Depth: 91.1 93.1 95.0 Dry Density, pcf: 113.5 112.8 118.8 % Moisture: 14.7 15.0 14.7 Std Maximum Density, pcf: 114.5 �' % Moisture at Maximum: 14.6 �P-2) Belative Density, %: 99 98� 104 Comments: All tests meet usual requirements (�95% of Std — Max Density) Please be advised that the above test resuLts are a random sample of field con- ditions. they may or may not be representative of the entire area. No warranty of the site is made or implied Respectfully submitted, �_` @C�-'-� � �-.�.. Pa[ ick J Hines, PE Reg No 12086 copies to: City of Orono, Bldg Insp f . • Patrick J Hines, PE 15481 Dresden Trait Apple Valley MN 55124 (612) 423.4247 DENSITY TEST REPORT 7 October 1997 , Mr Marty Ziermann Marty's Excavating 7185 Rutz Lake Road Mayer MN 55360 r Re: Compaction Control Proposed Single Family Residence Lot 4 Block 4 Sugar Woods Hennepin Co (Orono), Minn Date Tested: 2 Oct '97 - PM 5 Qctober 1997 Method: ASTM D 1556 (4" Sand Cone) Tested by: pR Test No: 4 5 6 Location: 11'N,22'W of Just inside @ NW Garage SE Garage Cor NE Gar Cor Corner Elevation, or Depth: 97.1 98.9± 100.0± Dry Density, pcf: 119.3 117.8 128.0 % Moisture: 10.8 13.2 10.8 Std Maximum Density, pcf: 116.4 ' % Moisture at Maximum: ��'� �P-3) xelative Density, %: 102'� l0I 101� Comments: All tests exceed minimum requirer�ents (�95% of Std Max Density) Please be advised that the above test results are a random sample of field con- ditions. they may or may not be representative of the entire area. No warranty of the site is made or implied Respectfully $ubmitted, n� �� Patrictc J Hines, PE Reg I3o 12086 copies to: ctcy of Orono, Bd dg Insp .� "r��tr�ck J ;',inEs F: 1-'�8� Ire=aen '�r2i: ar� � , ,� � e '�`�1.et' C.. :�i_ (6:�) ���'.4��=, PROCTOR TEST REPORT �.._ (Standard) �" 7 October 1997 ��� Mr Marty Ziermann Marty's Excavating 7185 Rutz Lake Road Mayer MN 55360 Re: Compaction Control Proposed Single Family Residence Lot 4 Block 4 Sugar Woods Hennep in Co (Orono) , 14inn Date Test was Run: 30 September 1997 Method: ASTM D 698 "Method A" Test Run by: SH Proctor Number: P_1 Source of Sample: Density Test #1 plus additional Material from fill area Soil Class: LEAN CLAY , W/ sand, Yel2owish Brown w/ tr gravel to Brown (CL) Standard Maximum Density, pcf 111.4 . Optimum Moisture, '/, 15.5 Curve Attached Representative Sample Retained Comments: 100% pass 2" sieve 0.5% pass 2" sieve, retained on 3/4" sieve— discarded 1.6% pass 3/4" sieve, retained on 3/8" sieve — retained ,2.1% Respectfully submitted, �� ��..s�-�-�— �L�—� Patrick J Hines, PE Reg No 12086 T 1 1 • • • - � •• � ■�■■��������■ ■��������■ ■ ■�• ■w�����■ •��■ ■��■ ■��■ ■ ■ ■ ■ ■ .............s..........�o�...�........�....a....g�...._� a���� ��s ......................... ........'.............. ..... ��� • w�������■�����������■�����C���C��■ ■�_���■���=����C�����■ C���� CQ� _ ■������������������������■ ■�■ ■����■ ■�����■ ■��■ ■�■ ■��■ ■ ............................CC�C...pC.�.. ...� .C=� �... .�.0 � �.. . . ............................ ... . ..C... �. ... . . . ..............■..■.■.....■■. ■.■� ■■�... . . ■.■ ��_� � � � ��' .................................. ..... ...� .... ...� ' . . . , ■■■■■O■■■■■■■Ii1�■■��������������������r�11���■ ■��Ir■ ■�■ ■��■ ■���■ ■�■ ■��■�����������������/■�I�III������I�����A���/�■ ■�■ ■�/■�■ ■ ■■ ■ ■■ ■�����������oa����■ ■��■ ■■ ■���■ ■ ■�■��■��� ■��� ■�����■�■ ■= Q ■ .....■.............�....��.��....i.C...�..... ....�...._...��C�■.�.��.� ■��■�������■����■■■�����■ ■ ■to������■ ■���■ ■���■ ■■ ■ ■ ■�■ ■ ■■��������.�����■��c•����■������■����������■�����������������■�������� ■�■����■����.���������-���■ ■■ ■������������� ■��■ ■�����■ ■�■ ■■■ ............���....��.�.:.•.C..C......�....... ....C..... ._ ..�. .0 .................... . ..�........... .......�....s....=z.=8��....� .� ......................... .........�......., .... .�.. .. . .. .�.. .................•................. ....... .........■........C�C.... .........................�........_..........�....�..C��... � ... : ......................... ........ �.,:•..�.... .... .. ... � CCC��.. ■�M��/�����������A���w��\������r�������li�����e������w��e�/■ ���C�A■ ■� w��������rw��C��������v.:�������■�������r��.�^� ■r�■ ■�����A■ ■ ■���■ ■��rr�r����r■ ■���������!��r���M��r���Ar/�Mw:.►i�\�����r�����■ ■��A��/�w■ I�II�II�I�II�����%%��r�I�Ilr�rr����tM�:��rrr�r�rr�r����rr�Cr�lii''M'.�rw�rrrrN��\8r���rr� ■rrr�r��rr�r���rr���r��r�r�M��rr■��rr�r�r�r�rr�rrnNrr��rr��.���rn� •■ ■�N��� � ■w■��N����i�����■■�r�r����rw�r��,�rrr���rrr���■r���rr��rrr���_�r����r�rr��■ ■��������r�������������r�r��■��r��������������������M������.'_ ■ ■r.r����■ ■r��wr����rr�rr�����r��������A�r��nr����������������w�������■ ��r��.�r ■����■ ■�������■���r����������������������e�r����rr���������������������i�����■ ■��������������������������������������������N�����������������;��■ ■�■ ' ■A���������������A�A/�oA�M�����I,�����■A��N/��=��r=�������w�/A�\��'���■ � ■�������������������������w�wr,•�r�r���������■ ■�■ ■■■ ■�������� ,■ ■��■ ■1�1�■r��l■r�A1�111�11111■ ■ ■■ ■ ■••, rl■ ■U111■ ■�■ ■ ■r��r■ ■■ ■�w��������������'��'���r'�O��i��a�i�C��r�C���=C�������C�R������D�������C C. •�������/���■ M�N�N��r�■ .��i�■ Mr�����■ AA■ ■■ ■ ■ ■�r■ �i■ ■ ■ .���..�.�..��5��.�..�.��.c�.�.C���.��.��C�..�..C���.C...�O..���C:� :�� � ■��A�������r��r/��■ ■r��■ ■■ ■M� ■��r�■ ■/�M ■■ ■���■ ■�■ ■ -:::��:�:-a:: - :::�l:� a�� o •: o�: �•� �a: � :-�: ■ _ a........�...E�E..,.�.a8.�.�3.8�.��e��°9�.a:�6...8 .9.r..3� 9 a B .................... ... ... ... ... ..�. .... .�..... �.�@. �� � '� �, ■�������������r.���������r������������w�r����������■ ■����r�■ ■���■ ■��■ :::::':�:�C::'�:::C� ::...::: ::'::: : ' ;. ■ .��� � �5�. �C s=0 s �S � - .....�......��...... ..��C...�..... ...�. .�� E.� ...�a�..�89 .���E•a �:::��a::a:::ao�:�:�::a�cC��:�.aa:�s�C:�.��:.. :C: �:::C:.�:.���C.. 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(Standard) .:, 7 October 1997 Mr Marty Ziermann Marty's Excavating 7185 Rutz Lake Road Mayer MN 55360 i Re: Compaction Control Proposed Single Family Residence Lot 4 Block 4 Sugar Woods Hennepin Co (Orono), Minn Date Test was Run: 1 October 1997 Method: AS�M D 698 "Method A" Test Run by: SH Proctor Number: P-2 Source of Sample: Density Test #2 plus additional � material from fill area Soil Class: SILTY SAND (sand is sl biasesd finer grained) w/ clay, Yellowish Brown (SM) , w/ a little gravel StandaFd Maximum Density, pcf 114.5 Optimum Moisture, "/ I4.6 Curve Attached Representative Sample Retained Comments: 100% pass 2" sieve 0.7% pass 2" sieve, retained on 3/4" sieve — discarded 3.5'/, pass 3/4" sieve, retained on #4 sieve — retained 4.2% Resgectfully submitted, � � ' ' �� � Patrick J Hines, PE Reg No 12086 � � � • � : � - � .. . 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Optimum Moisture, "/0 13.0 Curve Attached Representative Sample Retained Comments: �00% pass 2", 3/4" sieves 0.8% pass 3/4" sieve, retained on #4 sieve — retained Respectfully submitted, �, � �� Patrick J Hines, PE Reg No 12086 � . � � • � � - . .. � ::::�:::::�:s::::::::::=CO�C�CC�:: sa::a:::» a:� :::�_�� � s9 '69 ............. ........... .. . .. ......... .. ... ............._..........CSC:::E�.. .�.......� C.0 ...���C �0 1� ........................ .. . ....... .. ... C��::C::CCC::C:::': :�C�:':C"Z�C: ':�: :': ■. ■ :::' : ■ ■ .................a.:... .C..CC....SC...:�.�.� CC: ... � �L � � ............. .........�............... �... . � ... 0 � ��� .. .��. ...........�.........................�....� _.�. ...� . . ............. ...... ....... ...... ... .. ... .. ... . ...0 ..�. C::::::::::C::�CC:C�:::C�': :C::i: C:: ::::: .. ..0.. � _ ::: .........................C.�� E � C.. 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' Ci dium plu��n,4ra�elb•cla�s. �e�erber� L:m��s �io���n� �n — � Si71dy CI])'S. Llh A�1C!!C7 ltt] u0 OOfde.•ur.c C:lu� i ' ��.� �:�]vS. It1n � � duai�,ms req;ann� use oi aw1 — '" ' {' ....� � M N � ' days - � symools. " :n � E^.-sauor.of t.tmc � '„ � Pt.�-.,ZL .x� — � i � � OL ��'�situ and o�¢amc siln L � Z = �ta.s oi low ? � , � ' ! plu:iat. ?0 c � T I 1 � � .� ' ' � � �r , � � � I1Wf�t11C SIIIS. TIGi!'OLLS Of � � � � r1M�anC MM; � ? �1H diawmaceous fine sandv or a :p � i � ,_ � y ; Q an . , , ; sdty soils.Nuci�t�hs t I e � � ' �� r i: � r � j„ i / � ° : � � CH �^ai,nK:lan of h�gh pl�- IO - � � � = � � t��y. fu :a�s 1 --- ' v , . ^ ' � � � � s� c� w�� .'�1`; � '" 4 �_ �:.�t .iw�r� � � v' ' A L Q pH O►tanK�bvs of ined�um �o Q 10 :0 Ji! 4p S0 6Q 70 SO 90 IUQ � Y = ��1 D(iuKlt).Ofg3J111 SIIIS � . � � + > '7 ,� � r, - R Po[ atW ahe+ h��,hly ar�,anw l�yv�d L f1�� � � . ... ' s y� ° Pi� .:�. �ar-