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NOTE <br />1 <br />NOTE 9 <br />2 <br />1� <br />a a ar.a:ar:: <br />.�' aaa4aaa <br />6 a a a <br />m <br />B <br />LU <br />_ ~O <br />aa4a4a <br />NOTE 2 = <br />0 H <br />0 <br />z <br />z <br />•• aaaaa <br />1.5 D <br />.aaaaa <br />a a <br />•• a <br />°aaa <br />NOTE 6 <br />NOTE 5 <br />ROCK WALL SECTION <br />NOTE 8 <br />ROCK WALL ELEVATION <br />aaaaa <br />aQaaaaa <br />Qa< <br />a a a <br />aaa4aa <br />= Qaaa4a <br />aaaa <br />a a <br />Qaaa <br />1'-0" a a a <br />as <br />aaaa <br />2 aaa <br />I a <br />/ TC <br />T <br />0 <br />H = HEIGHT OF ROCK WALL. <br />TT = NO TEMPORARY EXCAVATION <br />WITHIN 5FT BEHIND ROCKERY. <br />PF = NO PERMANENT EXCAVATION OR <br />SURCHARGING BEHIND ROCKERY <br />CLOSER THAN A DISTANCE EQUAL <br />TO H. <br />TC= NO TEMPORARY EXCAVATION <br />BELOW LIMITS DEFINED BY A LINE <br />V OUT FROM BASE OF ROCKERY <br />WITH A SLOPE OF 1H:-1V TO A <br />DISTANCE EQUAL TO 2/3H FROM <br />ROCKERY BASE. <br />PC= MAX FINISHED GRADE OR <br />PERMANENT EXCAVATION DEFINED <br />BY A FROM BASE OF ROCKERY <br />WITH A SLOPE OF 2H:- 1V FOR A <br />MIN DISTANCE EQUAL TO H FROM <br />ROCKERY BASE. <br />LEGEND <br />NOTES <br />a a <br />DRAINAGE MATERIALS TO CONSIST <br />1. <br />MAXIMUM INCLINATION OF THE SLOPES ABOVE <br />OF CLEAN 4"-2" ANGULAR SPALLS. <br />AND BEHIND ROCK WALL SHALL BE 2:1 <br />(HORIZONTAL:VERTICAL). <br />GRADING #57 AGGREGATE PER SECTION <br />2. <br />MINIMUM THICKNESS OF ROCK FILTER LAYER B=12 <br />9.03.1(4)C OF WSDOT/APWA STANDARD <br />INCHES. MINIMUM EMBEDMENT D=12 INCHES. <br />SPECIFICATION <br />3. <br />MAXIMUM ROCK WALL HEIGHT H=8 FEET. ROCK <br />a:- <br />CONCRETE ROCKERY CAP. REQUIRED IN <br />WALLS GREATER THAN 8 FEET IN HEIGHT SHALL BE <br />�.: <br />R.O.W., OPTIONAL ON PRIVATE PROPERTY. <br />DESIGNED BY A CIVIL ENGINEER LICENSED IN THE <br />STATE OF WAS HINGTON. <br />UNDISTURBED NATIVE SOIL <br />4. <br />ROCK SHALL BE PLACED TO GRADUALLY DECREASE IN <br />SIZE WITH INCREASING WALL HEIGHT. <br />SEED OR SOD ON 12 it OF TOPSOIL <br />5. <br />MINIMUM WIDTH OF KEYWAY EXCAVATION W, <br />WITH UNDERLAYER OF FILTER FABRIC. <br />SHALL BE EQUAL TO THE THICKNESS OF THE BASE <br />ROCK PLUS B ROCK FILTER). <br />4 INCH DIAMETER, HDPE OR SDR35 PVC, <br />6. <br />THE LONG DIMENSION OF THE ROCKS SHALL EXTEND <br />PERFORATED OR SLOTTED, WITH SMOOTH <br />BACK TOWARDS THE CUT OR FILL FACE TO PROVIDE <br />INTERIOR PIPE. SET SLIGHTLY LOWER <br />MAXIMUM STABILITY. <br />THAN THE BASE ROCK TO PREVENT <br />7. <br />WHENEVER POSSIBLE EACH ROCK SHALL BEAR ON <br />DAMAGE. LAY WITH A POSITIVE SLOPE TO <br />TWO OR MORE ROCKS BELOW IT, WITH GOOD <br />DISCHARGE AWAY FROM ROCKERY. <br />FLAT -TO -FLAT CONTACT. <br />® <br />DESIGNATES SIZE OF ROCK, I.E. 4 MAN. <br />8. <br />WHERE VOIDS OF GREATER THAN 6 INCHES IN <br />SEE NOTE 10. <br />DIMENSIONS EXIST IN THE ROCK FACE AND THERE IS <br />NO ROCK CONTACT WITHIN THE ROCK WALL <br />THICKNESS, THE VOID SHALL BE CHINKED WITH <br />SMALL PIECES OF ROCK. <br />9. <br />ROCKERIES WHICH ARE MORE THAN 30 INCHES <br />ABOVE GRADE OR FLOOR BELOW SHALL BE <br />PROTECTED BY A PEDESTRIAN GUARD. TYPE TO BE <br />DETERMINED BY THE CITY ENGINEER, SEE STANDARD <br />DRAWINGS 333 & 334. <br />10. <br />THE DENSITY OF ROCK MATERIAL SHALL BE A <br />PLACEMENT NOTES <br />MINIMUM OF 155 PCF. THE SIZE CATEGORIES FOR <br />ROCK SHALL BE AS FOLLOWS: <br />1. APPROVAL FOR THE PLACEMENT OF THE <br />ROCKERY WILL DEPEND ON EXISTING AND <br />PROPOSED UNDERGROUND UTILITY LOCATIONS. <br />THE CITY OF EVERETT PUBLIC WORKS <br />DEPARTMENT WILL REVIEW ROCKERY <br />PLACEMENT. <br />SIZE <br />APPROXIMATE <br />WEIGHT - LBS <br />APPROXIMATE <br />DIAMETER -INCHES <br />1 MAN <br />50-200 <br />12-18 <br />2 MAN <br />200-700 <br />18-28 <br />3 MAN <br />700-2000 <br />28-36 <br />4 MAN <br />2000-4000 <br />36-48 <br />5 MAN <br />4000-6000 <br />48-54 <br />6 MAN <br />6000-8000 <br />54-60 <br />CITY OF EVERETT <br />PUBLIC WORKS DEPARTMENT <br />City Engineer Section Manager CAD Manager Drawn By- Current Rev Date <br />TITLE RYAN SASS TOM HOOD PAUL WILHELM ESH 07/1 4/201 7 <br />DESIGN AND POST CONSTRUCTION LIMITATIONS <br />ROCKERY 1" llMDARDDRAWING <br />DESIGN, CONSTRUCTION REQUIREMENTS, 332 <br />PLACEMENT & POST CONSTRUCTION LIMITS <br />