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Home My WebLink AboutKSM SOIL COMPACTION REPORT 4-24-18UP C 1 Ar Bpi' A%L_JAi �r „ A ,'C9 LEICHER & MacWILLIAM ENGINEERING AND TESTING, INC. MARTIN (772) 337-7755 P.O. BOX 78-1377, SEBASTIAN, FL 32978-1377 SEBASTIAN (772) 589-0712 PALM BEACH (561) 845-7445 www.ksmengineering.net MELBOURNE (321) 768-8488 FAX (561) 845-8876 E-Mail: KSM@KSMENGINEERING.NET ST. LUCIE (772) 229-9093 C.A.: 5693 FAX (772) 589-6469 April 3, 2018 OP Custom Pools Corporation Mr. Kim Smith P.O. Box 2237 Palm City, Florida 34991 Re: Proposed Swimming Pool 2511 NW Hollyberry Lane Palm City, Florida KSM Project #: 181131-b Dear Mr. Smith: RECEIVED APR 2 4 2018 ST. Lucie County, Pen A visit was made to the above referenced site to determine the subsurface soil condition in the proposed pool location. A. The scope of our study consisted of the following: 1. Performed Standard Penetration Test Borings in the proposed construction area to estimate the subsoil relative density. 2. Measured the groundwater level at each boring. 3. Evaluated the existing soil conditions with respect to the proposed construction. 4. Prepared this report to document our findings. B. Site Investigation: The site investigation program consisted of performing two (2) Standard penetration test borings in the proposed construction area. The borings were terminated at depths -of 10 and 14 feet below grade. The locations of the borings are indicated on the attached Boring Logs. Ronald G. Keller, P.E.: 37293 / SI Lic. No.: 860 / Julie E. Keller, P.E.: 68366 iMQ0A L KELLER, SCHLEICHER & MacWILLIAM ENGINEERING AND TESTING, INC. MARTIN (772) 337-7755 P.O. BOX 78-1377 SEBASTIAN FL 32978-1377 SEBASTIAN (772) 589-0712 PALM BEACH (561) 845-7445 www.ksmengineering.net MELBOURNE (321) 768-8488 FAX (561) 845-8876 E-Mail: KSM@KSMENGINEERING.NET ST. LUCIE (772) 229-9093 C.A.: 5693 FAX (772) 589-6469 2511 NW Hollyberry Lane -2- April 3, 2018 Palm City, FL The SPT borings were completed in accordance with procedures described in ASTM D-1586. A standard 11.5 inch I.D., 2 inch O.D. split -spoon sampler is driven into the soil by successive blows of a 140 pound hammer freely falling 30 inches. The number of blows ;required to drive the sampler 1 foot, after seating 6 in., is designated the Penetration Resistance, or "N" value. At regular intervals the sampler is extracted from the ground and opened to allow visual examination and classification of the retained soil sample. Also, the groundwater table was allowed to stabilize and the depth of the groundwater elevation recorded from existing grade. The records of the soils ,encountered, the penetration resistances and groundwater level are shown on the attached logs. C. Engineering Evaluation and Conclusions: Based on the information obtained from this site investigation we are pleased to offer the following evaluation: The boring logs indicate the subsurface soils consist mostly of fine-grained sand from the surface to a depth of 1 foot. From 1 foot to 7 feet the soils were found to be fine-grained sands including traces of hardpan. Below 7 feet the subsurface soils consist of fine-grained sand that is slightly clayed. The subsurface soils are generally medium -dense to dense. Based on the existing soil conditions, the proposed pool can be designed and constructed using an allowable soil bearing pressure of 2,500 pounds per square foot. When excavating the pool, if any organic soil or soft material is encountered, these materials/soils should be removed and replaced with 3/" stones so the subgrade becomes firm below the pool bottom. Backfill material behind the pool shell shall consist of clean granular sand with less than 5 percent "fines" passing the U.S. No. 200 sieve. Place backfill material in loose lifts of 12, inches in thickness and compact each lift to no less than 95 percent of its modified dry Proctor value (ASTM D 1557). Ronald G. Keller, P.E.: 37293 / SI Lic. No.: 860 / Julie E. Keller, P.E.: 68366 iM L-3AVL KELLER, SCHLEICHER & MacWILLIAM ENGINEERING AND TESTING, INC. MARTIN (772) 337-7755 P.O. BOX 78-1377, SEBASTIAN, FL 32978-1377 SEBASTIAN (772) 589-0712 PALM BEACH (561) 845-7445 www.ksmengineering.net MELBOURNE (321) 768-8488 FAX (561) 845-8876 E-Mail: KSM@KSMENGINEERING.NET ST. LUCIE (772) 229-9093 C.A.: 5693 FAX (772) 589-6469 2511 NW Hollyberry Lane -3- April 3, 2018 Palm City, FL D. Closure: This report has been prepared yin accordance with generally accepted soil and engineering practices based on the results of the test borings. No warranties, either expressed or implied are; intended or made. This report does not reflect any variations which may occur between the borings. If variations appear evident during the course of construction, it would be necessary to re-evaluate the recommendations of this project. Environmental conditions, wetland delineation, water quality, and municipal requirements are not a part of this report. We are pleased to be of assistance to you on this phase of your project. When we may be of further service to you or should you have any questions, please feel free to contact our office. 0.01 N� 0 w, _.• . � cry J I E. Keller, R. r I&OF AL E-mail to: opofstuartl@aft.net Ronald G. Keller, P.E.: 37293 / SI Lic. No.: 860 / Julie E. Keller, P.E.: 68366 KSM Engineering & Tew BORING NUMBER B-1 ]� P.O. Box 78-1377 KS PAGE 1 OF 1 lyl Sebastian, FL 32978 Tel: (772)-589-0712 Fax:(772)-589-6469 CLIENT OP Custom Pools Corporation PROJECT NAME 2511 NW Hollyberry Lane PROJECT NUMBER 181131-b PROJECT LOCATION Palm City, Florida DATE STARTED 3/30/18 COMPLETED 3/30?18 GROUND ELEVATION HOLE SIZE inches DRILLING CONTRACTOR GROUND WATER LEVELS: DRILLING METHOD Split Spoon Sample -VAT TIME OF DRILLING 5.17 ft LOGGED BY SF/JR CHECKED BY JEK AT END OF DRILLING - NOTES West Side of Pool AFTER DRILLING -- w o w SPT N VALUE A U w 20 40 60 80 a OO w MC LL PLI--�� v Q- MATERIAL DESCRIPTION g a— > C�1 0— O ¢ m 0 w ' Z a " 20 40 60 80 o w Z v } O ❑ FINES CONTENT (%) ❑ � 0 20 40 60 80 Dark Brown Sand with Some Clay Grayish Brown Sand 10-10-12 SS (22) ...................................... o;:'•.: •:: Dark Brown Sand with Traces of Hardpan 12-14-17 :. SS X::.17 5 10-8-9 :....... :....... :. :o:'• (17) ..... .:....... .. Light Brown Sand, Slightly Clayed 8-5-6 SS 'a 10 : SS 5-5-7 :....... :....... m (12) .... ..: ....... ........ m 7-11-10 ;:.:.• ::' ESS 9-10-12 .......:......................:....... (22) Bottom of borehole at 14.0 feet. U O ❑ m J LL Y ' w w co co Y O ri � m M R F R1 3 0 r z w 0 J EL m U W H O W C7 1 I KSM Engineering & Tesi _./ �- BORING NUMBER B-2 ( � /j s PAGE 1 OF 1 iJ1Vl Sebastian, FL 32978 Tel: (772)-589-0712 Fax: (772)-589-6469 CLIENT OP Custom Pools Corporation PROJECT NAME 2511 NW Hollyberry Lane PROJECT NUMBER 181131-b PROJECT LOCATION Palm City, Florida DATE STARTED 3/30/18 COMPLETED 3/30/18 GROUND ELEVATION HOLE SIZE inches DRILLING CONTRACTOR GROUND WATER LEVELS: DRILLING METHOD Split Spoon Sample AT TIME OF DRILLING 4.92 ft LOGGED BY SF/JR CHECKED BY JEK: AT END OF DRILLING -- NOTES East Side of Pool AFTER DRILLING --- W o w A SPT N VALUE O m w 20 40 60 80 H- =(D m _ wo �z� �� H� PL MC LL W O —� MATERIAL DESCRIPTION g o > O O � O¢ O > W U) Y v Z a =) " �� 20 40 60 80 O Q Z w m U z O Of ❑ FINES CONTENT (%) ❑ m o: o- o 0 20 40 60 80 Dark Brown Sand with Some Clay GrayisBrown Sand :.:.;.: h SS 8-9-8 6-:*.'•;: Dark Brown Sand with Slight Traces of Hardpan SS 7-11-12 (23) ... ................... ... 11-13-19 :....... :....... .......:... ..:....... SS 11-12-16 :•:.:. Brown and with Some Clay (28) SS X a 10 (25) (9Bottom of borehole at 10.0 feet. LU w I 19 2 U) Y_ N U O ❑ co 6 W J I LL I U Y y W � I W Y f0 I M V F— C7 I m g c co z z � I O J EL _ \ m O W H O W 0