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HomeMy WebLinkAboutcompact testing for fuel pad B��� �5, Braun Intertec Corporation 6801 Washington Avenue Soufh P.O. Box 39108 I N T E RT E C Minneapolis,Minnesota 55439-0108 612-941-5600 Fax:941-4151 Engineers and Scientists Serving the Built and IVatural Environments` June 29, 1993 Project BABX-92-806 Mr. John Gerhart City of Orono P.O. Box 66 Crystal Bay, MN 55323 Dear Mr. Gerhart: Re: Compaction Testing for the Proposed Fuel Tank Pad, Public Works Parking Area, Orono Public Works Building, Orono, Minnesota For a review of previous work we had performed please refer to our letter to you dated February 3, 1993. Briefly, in that letter we recommended removing frozen, saturated soils from below the slab area. Grade could be reattained with a granular soil compacted to a minimum of 98 percent of the standard Proctor density (ASTM D 698). This letter is to summarize the compaction testing which was performed on 7une 15, 1993, for the proposed fuel tank pad at the above-referenced site. Two compaction tests were taken in the proposed fuel tank pad area, with compaction test results ranging from 99 1/2 to 101 percent of standard Proctor density (ASTM D 698-91). Based on the results of our previous work and on our recent compaction tests, it is our opinion the engineered fill soil is suitable for support of the proposed fuel tank pad. General Services performed by Braun Intertec for this project have been conducted in a manner consistent 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. � . , . City of Orono Project BABX-92-806 June 29, 1993 Page 2 It has been a pleasure performing these services for you. If you have any questions regarding this report, please call Paul Haugo at (612) 942-1796 or Gregg Jandro at (612) 942-4945. Sincerely, �� ���� Paul D. Haugo Engineering r�ssistant Professional Certi�cation I hereby certify that this 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. � � Gregg . Jan o, P.E. Senior Engineer Registration Number: 18221 Date: June 29, 1993 pdh�grj:mjs\babx\92806\ipt.l • � 5M Bravn Intertec Enginsering,inc. BR A 1� N 6801 Washington Avenue South P.O.Box 39108 I N T E RT E C Minneapolis,Minnesota 55439-0108 612-941-5600 Fax:941-4151 Engineers ond Scientish Serving REPORT OF FIELD �g Built and Notural Envrronments COMPACTION TESTS Date: June 17, 1993 Project: BABX-92-806 Report: 1 Client: Projed Description: Mr. John Gerhart Proposed Fuel Tank Pad City of Orono Public Works Pazking Area P.O. Box 66 Orono Public Works Building Crystal Bay, MN 55323 Orono, Minnesota I�z Iab In Pmoe Tat Shc Optimum Dry Dmsity In Plres Dry D�siy' Percwt �C� No. Date I.D.No. Clsusifiwtian Maswro (pc� R M°��° �� COmP°�O° C�°b06 � 1 6/15/93 P-1 SP 13'!z 113'/z 4.1 112.9 99'fz 98 lA 2 6/15/93 P-1 SP 13'h 113'h 4.3 114.6 101 98 lA X Nuclear Method ASTM D 2922-81 X Standazd Proctor ASTM D 69&78 Sand Cone Method ASTM D 1556-82 Modified Proctor ASTM D 1557-78 Benchmark: To of Existin Pavement = 1022 Tat No. Tat Laasim �0° 1 10'E 5'S of NW Fuel Tank Pad Comer 1021 .�2 10'E 5'N of SW Fuel Tank Pad Corner 1021 1. Fill A. Test Results Comply With Specifications. B. Test Results Do Not Comply With Specifications. BRAUN INTERTEC ENGINEERING, INC. cc: Mr. John Davies; Kraus-Anderson Construction Company � � aul D. 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J / / d� i .. � 1 t �'�'Gf 1�.fii"P ��1 �- �Pil � . � � ��� e- �A� r ,4��.r ' r � G i'f � t� � i� �c � G °� � �c r THERE IS A VARIANCE PROCEDURE PROVIDED BY STATUTE •NOTE�Signatures indicate receipt of copies For further assistance please Owner/Representative contact the Fire Inspector at the following number: �"�-+_; � 3��.�7 ^ ^ � �� Fire Chief/Representative ire Inspe Fire Marshal Divi ' n < ,, i ►' � � 1����� `�P_ Distribution: White — Owner/Representative; Canary'— Fire Chief/Represent rve; PS-06057-02 Pink—Division Office;Gold—State Fire Inspector