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HomeMy WebLinkAboutROSEBERRY RIDGE ESTATES S-11366.511366 WC INEERING MEMO Steve Eng, PE, PH 17237 Bear Paw Circle, Eagle River AK 99577 (907) 694-7028 tel (907) 694-7026 fax NorthRimEng@aol.com Date: 4/29/05 To: Dan Roth, MOA Manager On -Site Services Subject: Roseberry Ridge Estates, Addition # 1 Lot 6, Block 2 & Tracts A, B, & C Number of Pages: 1 + Subdivision Plat Lots on the subject subdivision have ample room for on-site wastewater disposal systems placement. General boundaries have been drawn on the included preliminary plat. Future soil test results may limit some of the useable area, if for instance high bedrock is encountered. Based on slope; the potential wastewater disposal system area for each lot is estimated as: Property Total Area Wastewater Useable Area Tract A 663,400 Ft2 300,000 + Ft2 Tract B 493,000 Ft2 100,000 + Ft2 Tract C 415,000 Ft2 150,000 + Ft2 Lot 6, Block 2 132,400 Ft2 50,000 + Ft2 Private water well placement will not adversely impact these areas. CC: Lee Coy OF At"Ill erAT. W ....... 2 . Steven 7 ?1,; PE 6256 \` SOILS LOG - PERCOLATION TEST pTHRI [I I��INEERING Performed For= Lee Coy Legal Description Tract C 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 - DEPTH (FEET) Organic SP Sand W/ Gravel Date Performed: 3/15/05 T.H. 1 nay. - +Pork A � +PorkB k r y .n Slope = 10% Groundwater? No Depth .119111€ Water Depth Actor Mnni+nrinn.nnnP T)n+a: 4/15/05 # I Date Gross Time Net Time Depth Net Drop 1 3/18 0 -- 9.75' -- 2 3/18 2 2 min 10.75' 1' 3 3/18 5 -- 10.5' -- 4 3/18 7 2 min 11.5' 1' 5 3/18 10 -- 9' -- 6 13/18 12 2 min 10' 1' Percolation Rate 2 min./inch Perc Hole Diameter 6' Test Run Between 3' and 4' Comments: Presoaked lest note Performed By NnrthRim Eng. CERTIFY THAT THIS TEST WAS Performed in Accordance with All State/Municipal. Guidelines In Effect ON THIS DATE. DATE: 3/Ar/05 � �oRTrIP.ire = PAq f+ ' 44 � �� TESTHOLE LOG T. H. 1 ENGINEERING 17237 Boor Pow Clrcls,,,, E. 1``q � EoVo River. Noska 99377 a-• 907.694.7028 '��i� -= GEOTECHNICAL- IOaks 4/15/05 1 of 4 1 ° \ S❑ILS LOG - PERC❑LATI❑N TEST HWNmr-�111r-T INEERING Performed For Lee Coy Legal Description Lot 6 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 - DEPTH (FEET) Organic Date Performed: 3/15/05 P41• - +P" Pst6' rr + T.H. + I vat c Slope = 10% Groundwater? No SP Depth J29J29 Sand Water Depth W/ Gravel After Monitorino. None Date: 4/15/05 Refusal On Boulders H Date Gross Time Net Time Depth Net Drop 1 3/18 0 -- 7.75' -- 2 3/18 2 2 min 8.25' 0.5' 3 3/18 5 -- 8' -- 4 3/18 7 2 min 8.5' 0.5' 5 3/18 10 -- 7.5' -- 6 3/18 12 2 min 8' 0.5' Percolation Rate 4 min./inch Perc Hole Diameter 6' Test Run Between 3' and 4' Comments: Presoaked lest Hole Performed By NnrthRim Eng. I Performed in Accordance with All Sta ON THIS DATE. DAM 3/18/05 [40R T P11-Vl 7�1 17237 Beor Pow Clrele I £op/e Rl r. Alaska 99377 �t'4 a -.rte 90Z694.7026 CERTIFY THAT THIS TEST WAS /Municipal Guidelines in Effect TESTH❑LE LOG GE❑TECHNICAL T. H. 2 4/15/05 12 of 4 1 '\, SOILS LOG - PERC❑LATI❑N TEST 2THRIM r�V�INEERING Date Performed, 3/18/05 Performed For= Lee Coy Legal Description: Tract A +P*• DEPTH (FEET) +'r 1 - 2 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 - Organic GM Silty Sandy Gravel Refusal On Boulders T.H. S �z w \; + ? 4 Pk C _ nYC Slope < 10% Groundwater? Yes Depth 11, Water Depth After Monitoring. 10.5' Date: 4/15/f15 + Pok 0 # Date Gross Time Net Time Depth Net Drop 1 4/15 0 -- 6.5' -- 2 4/15 1 1 rain. 7.5' 1' 3 4/15 5 -- 6' -- 4 4/15 6 1 min.1 7' 1' 5 4/15 10 -- 6- 6 4/15 11 1 min. 7' 1' Percolation Rate 1 min,/Inch Perc Hole Diameter 6' Test Run Between 3' and 4' Comments: Performed ByNorthRim Fng, CERTIFY THAT THIS TEST WAS Performed in Accordance with All Sta /Municipal Guidelines in Effect ON THIS DATE. DATE: 4/15/05 AJORTHR1M P,^..'fir yr,� TESTHOLE LOG e.r ENGINEERING T. H. 3 17237 Bsor Pow C1rclo ' l Eopi'o RM~. A/osko 99377 `#� 907.891.7028 �•;< GE❑TECHNICAL 1 4/15/05 S❑ILS LOG - PERC❑LATI❑N TEST Date Performed: 3/18/05 Performed For= Lee Coy Legal Description: Tract B +`""" 1 DEPTH r•_ II _.__ _ Pat i ! +vke (FEET) +� 10 - ::`.• 12 13 14 15 16 - :... 17 - 18 - 19 - 20 - # Date Organic T.H. 4 ;_. I Net Time Depth Net Drop 1 4/15 0 -- 3 - -- 2 4/15 1 1 min. 5 0.75' 3 4/15 3 Slope = 10% 6' -- Groundwater? No 7 - 4 GM Depth JaQnp g - •'+ Silty Sandy Water Depth 9 - ' Gravel After Monitoring. 15.2' Date: 4/15/05 10 - ::`.• 12 13 14 15 16 - :... 17 - 18 - 19 - 20 - # Date Gross Time Net Time Depth Net Drop 1 4/15 0 -- 6.5' -- 2 4/15 1 1 min. 7.25' 0.75' 3 4/15 3 -- 6' -- 4 4/15 4 1 min.1 6.75' 0.75' 5 4/15 6 -- 6' -- 6 4/15 7 1 min. 6.75' 0.75' 21 - Percolation Rate 1.33 min,/Inch Perc Hole Diameter 6' Test Run Between 3' and -4' Comments: Presoaked Test Hole Performed By NnrthRim Eng. CERTIFY THAT THIS TEST WAS Performed in Accordance with All State/Municipal Guidelines in Effect ON THIS DATE. DATE: 4/15/05 ...,��� .cr NORTHRIM �� 4oTM���a TESTH❑LE LOG T. H. 4 EIJGINEERING 17237 &*or Pow Circle : Eagle Ri~. Alaska 99377 i4.., - 907.694.7028 ��;. GE❑TECHNICAL 4/15/05 14 of 4