4815 EVERGREEN WAY 2016-01-01 MF Import

��i GENERAL NOTES (Continued) CONSISTENCY OF FINE-GRAINED SOILS MC)I�TURE CONDITION DESCRIPTION Q�-TSF N-Blows/foot Consistencv Description Criteria 0-025 0-2 Very Soft Dry: Absence of moisture,dusty,dry to lhe touch MoisL• Damp but no visible waler 0.25-0.50 2-4 Soft yyel: Visible free H�ater,usually soil is below water table 0.50-1.00 4 -8 Medium Stiff 7.00-2.00 8- 15 Sliff RELATIVE PROPORTIONS OF SANU AND GRAVEL 2.00-4.00 15-30 Very Stiff Descriptive Tertn %Drv Weiqht 4.00-b.00 30-50 Hard Trace: < 15°�5 8.00+ 50+ Very Hard Wilh: 15%to 30% Modifier: >30% STRUCTURE DESCRIPTION Description Crteria Description Criteria Slratifed: Alternating layers ef vrrying malerial or color wilh Blocky: Cohesive soil thal can be broken down into small layers at leas! Y,-inch(6 mm)thick angular lumps which resist further breakdown Laminated: Alternating layers of varying material or color wilY� Lensed: Inclusion of small pockets of different soils layers less lhan Y.-inch(6 mm)thick Layer: Inciusion greater than 3 incf,es lhick(75 mm) Fissured: Breaks along definite planes of fracture with liltle Seam: Inclusion 1/8-inch to 3 inches(3 to 75 mmj thick resistance to fracluring exlending through the sample ( Slickensided: Fraclure n��nes appear polished or glossy, Parling: Inclusion less than 1l8-inch(3 mm)thick sometimes slriated SCALE OF RELATIVE ROCK HARDNESS ROCK BEDDING THICKNESSES Q -1 TSF Consistenr.v Descriotion Criteria 2.5-1U Extremely Soft Very Thick Bedded Greater than 3�foot(>1.0 m) 10-50 Very Soft Thick Dedded 1-foot to 3-foot(G.3 m to 1.0 m) 50-250 Sofl Medium Bedded 4-inch l0 1-foot(0.1 m ta 0.3 m) 250-525 Medium Hard Thin Bedded 1 Y.-inch to 4-inch(30 mm to 100 rnm) 525-1,050 Moderataly Hard Very Thin Bedded '/rinch to tY,-inch(10 mm l0 30 mm) 1,050-2,600 Hard Thickly Laminated 1/8•inch lo /rinch(3 mm to 10 mm) >2,600 Very Hard Thinly Laminaled 1/8-inch or less"paper thin"(<3 mm) RO�K VOIDS GRAIN-SIZED TERMINOLOGY Voids Void Oiameter (Typically Sedimentary Rock) F�i -C mm(<0.25 in) , Comoonent Size Ranae Vug 6 mm to 50 mm(0.25 in to 2 i�ij Very Coarse Grained >4.76 mm Cavily 50 mm to 600 mm(2 in to 24 in) Coarse Grained 2.0 mm-4,76 mm Cave >600 inm(>24 in) Medium Greined 0.42 mm-2.0 mm Fine Grained 0.075 mm-0.42 mm Very Fine Grained <0.075 mm ROCK QUALITY DESCRIPTION DCGREE OF WEATHERING Rock Mass Description RQD Value Slighliy Weathered: Rock generally fresh,joinls stained and discoloration Excellenl 90-100 extends into rock up to 25 mm(1 in),open joinls may Good 75-90 contain clay, core rings under hammer impact. Fair 50-75 Poor 25-57 Weathered: Rock mass is decomposed 50°/a or Iess,significanl Very Poor Less lhan 25 portions of the rock show discoloration and wealhering effecis,cores cannot be broken by hand or scraped by knife. Highly Weathered: Rock mass is more than 50%decomposed,complete discolorelion of rock fabriq core may be extremely bn�ken and gives clunk sound when slruck by liammer,may be shaved with a kni(e. Paga?012