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HomeMy WebLinkAboutR-420209O i N 0 W m U) ry U) Q U U) D I O 0 U DRIPLINE OF DIA OF BASE 1.25', WHICF GREATER (SE TEMP CHI CONSTRUI CFF r\inTF 2 DETAIL - INDIVIDUAL TREE PROTECTION SCALE: NTS TREE PROTECTION NOTES: DRIPLINE OF DIA OF BASE 1.25', WHICF GREATER (SE TEMP CHP CONSTRU( 5v-w MAX PncT CPA 1. TREE PROTECTION SHALL BE INSTALLED PRIOR TO START OF CONSTRUCTION ACTIVITIES AND REMAIN THROUGHOUT THE WORK AS NECESSARY TO PROTECT EXISTING VEGETATION TO REMAIN. 2. PROTECT ALL TREES AND OTHER PLANT MATERIAL SCHEDULED TO REMAIN. DO NOT PARK ANY VEHICLES OR EQUIPMENT, STORE MATERIALS OR STOCKPILED SOIL, DISPOSE OF BUILDING MATERIALS, CHEMICALS, PETROLEUM PRODUCTS, OR OTHER DETRIMENTAL SUBSTANCES WITHIN LIMITS OF TREE PROTECTION FENCING OF ANY EXISTING TREE TO REMAIN. PROTECT EXISTING TREES FROM FLAME, SMOKE, AND HEAT. CONSTRUCTION ACCESS TO SITE SHALL NOT OCCUR BENEATH DRIP LINE OF EXISTING TREES UNTIL SPECIAL PROVISIONS HAVE BEEN MET TO PROTECT ALL EXISTING VEGETATION TO REMAIN. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ALL DAMAGE TO EXISTING TREES AND PLANT MATERIAL DURING CONSTRUCTION. ALL CLEARING AND GRUBBING OR EXCAVATION WITHIN LIMITS OF TREE PROTECTION FENCING SHALL BE DONE BY HAND METHODS. 3. A TEMPORARY CHAIN LINK CONSTRUCTION FENCE SHALL BE INSTALLED AROUND THE GREATER OF THE PROTECTED TREE DRIPLINE OR SURROUNDING A TREE AT A DISTANCE EQUAL TO OR GREATER THAN 1.25 FEET FOR EACH 1-INCH OF TRUNK WIDTH LOCATED 3-FEET ABOVE THE LOWEST GRADE. TEMPORARY FENCE SHALL BE INSTALLED TO SURROUND TREE(S). 4. TEMPORARY CHAIN LINK FABRIC TO BE MINIMUM 11 GAUGE, GALVANIZED. DO NOT USE RUSTED OR MALFORMED FABIC. 5. POSTS SHALL BE GALVANIZED 2"0 STANDARD PIPE POSTS, OR APPROVED EQUAL. INSTALL POSTS TO AVOIDED DAMAGE TO MAJOR ROOTS, AND WITH SUFFICIENT EMBEDMENT TO SUPPORT FENCE. CONCRETE FENCE POST FOOTINGS ARE ACCEPTABLE OVER PAVED SURFACES. 6. ROOTS 1-INCH IN DIAMETER AND GREATER EXPOSED DURING CONSTRUCTION SHALL HAVE A CLEAN STRAIGHT CUT TO REMOVE DAMAGED PORTION OF ROOT, AND ALL EXPOSED ROOTS SHALL BE COVERED WITH TOPSOIL IMMEDIATELY TO PREVENT DRYING. 7. INDIVIDUAL TREES SHALL HAVE TEMPORARY FENCING PLACE ON FOUR SIDES, WITH PLACARDS INSTALLED ON EACH SIDE. PLACARDS SHALL HAVE THE FOLLOWING WORDS, "NO TRESPASSING - PROTECTED TREES". 8. WHERE EXCAVATING FOR NEW CONSTRUCTION IS REQUIRED WITHIN LIMITS OF TREE PROTECTION FENCING, EXCAVATE BY HAND TO MINIMIZE DAMAGE TO ROOTS AND PERFORM AS FOLLOWS: A. USE NARROW TINE SPADING FORKS AND COMB SOIL TO EXPOSE ROOTS. I B. IF MAIN LATERAL ROOTS ARE IMMEDIATELY ADJACENT TO LOCATION OF NEW CONSTRUCTION, THE CONTRACTOR SHALL NOTIFY THE OWNER'S REPRESENTATIVE PRIOR TO ANY EXCAVATION. Q 7 C. DO NOT ALLOW EXPOSED ROOTS TO DRY OUT BEFORE PERMANENT BACKFILL IS PLACED. co00 CV o D. PROVIDE TEMPORARY EARTH COVER AND/OR MOIST ORGANIC MULCH, OR PACK WITH PEAT MOSS AND WRAP WITH BURLAP. WATER AND MAINTAIN THE MOIST CONDITION UNTIL COVERED WITH N BACKFILL. U 0 0 9. ANY TREE EXCEEDING 12 INCHES IN CALIPER AND LARGER, MEASURED 3 FEET ABOVE THE LOWEST GRADE IMMEDIATELY ADJACENT TO THE TREE IS CONSIDERED A SIGNIFICANT EXISTING TREE. ANY m DAMAGE TO A SIGNIFICANT EXISTING TREE SHALL IMMEDIATELY BE REPORTED TO THE CITY. Nt LO RECORD DRAWING THESE RECORD DRAWINGS HAVE BEEN PREPARED BASED IN PART ON INFORMATION PROVIDED BY OTHERS. CHANGES SHOWN HAVE BEEN PROVIDED BY THE > CONTRACTOR AND HAVE NOT BEEN VERIFIED BY THE LICENSED ENGINEER OR LANDSCAPE ARCHITECT. c� J WSP USA Inc. 33301 9th Avenue South Suite 300 Federal Way, WA 98003-2600 TEL: (206) 431-2300 FAX: (206) 431-2250 NO. REVISION DETAIL - MULTIPLE TREE PROTECTION SCALE: NTS SURVEYED: DESIGNED: GDN DRAWN: AHK CHECKED: CSB BY DATE AP P R APPROVED: GDN SCALE: 1 "=20' ONE INCH AT FULL SCALE • IF NOT ONE INCH SCALE ACCORDINGLY CITY OF RENTON R-420209 IN COMPLIANCE WITH CITY OF RENTON STANDARDS GENE COULON MEMORIAL BEACH PARK TRESTLE BRIDGE REPLACEMENT DETAILS - TREE PROTECTION z 3 Q 10/26/23 FIELDBOOK: FB PAGE` PAGE DRAWING NO: C-4 9 45 L0 N LO O O N U N O O O O T a J C'7 C'7 O O O O T