HomeMy WebLinkAbout006-C501 Erosion Control DetailsINSERT 1" REBARFOR BAG REMOVALFROM INLET(REBAR NOT INCLUDED)OPTIONAL OVERFLOWSILTSTACK®DUMP LOOPS(REBAR NOT INCLUDEDLENGTH = LWIDTH = WDEPTH = DLENGTH = LWIDTH
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WOPTIONAL OVERFLOWSILTSTACK®DUMP LOOPS(REBAR NOT INCLUDEDDEPTH = DINSERT 1" REBARFOR BAG REMOVALFROM INLET(REBAR NOT INCLUDED)CURB DETECTORCURBOPENING1.WITH ENGINEER'S APPROVAL, AN EXTRASTRENGTH FILTER FABRIC CAN BE USED INLIEW OF WIRE MESH SUPPORTSECURE MESH TO POSTS WITHWIRE STAPLES 1" LONG ORTIE WIRES OR HOG RINGS.FLOW
3'AVOID JOINT(NOTE 3E)FLOW2.14 GAGE6" WIRE MESHFABRICBACKFILL WITHROCKS OR DIRT8"8"2'TOE DETAILTYPE ATYPE BTHIS PLAN MAY BE USED FOR THE CONSTRUCTION OF A STORM WATER BEST MANAGEMENT PRACTICE (BMP). IT ISNOT INCLUSIVE OF ALL PRACTICES AVAILABLE AND IS ONLY SPECIFIC TO THE CONSTRUCTION OF THIS TYPE.MAINTENANCE OF THIS TYPE OF INSTALLATION IS IMPORTANT AND SHOULD BE CONTINUOUSLY MONITORED BY THECONTRACTOR AND ENGINEER. DETAILS SHOWN HERE HIGHLIGHT IMPORTANT PARTS OF CONSTRUCTION, ANDSHOULD BE MODIFIED AS NEEDED.NARRATIVE:1.DESCRIPTION: A TEMPORARY SEDIMENT BARRIER CONSISTING OF A FILTER FABRIC STRETCHED ACROSSAND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED.2.APPLICATION: TO INTERCEPT SEDIMENT FROM DISTURBED AREAS OF LIMITED EXTENT.A.PERIMETER CONTROL: PLACE BARRIER AT DOWN GRADIENT LIMITS OF DISTURBANCE.B.SEDIMENT BARRIER: PLACE BARRIER AT TOE OF SLOPE OR SOIL STOCKPILE.C.PROTECTION OF EXISTING WATERWAYS: PLACE BARRIER AT TOP OF STREAM BANK.D.INLET PROTECTION.3.INSTALLATION/APPLICATION CRITERIA: REFER TO APWA SECTION 01 57 00.A.SYNTHETIC FILTER FABRIC SHALL BE A PERVIOUS SHEET OF PROPYLENE, NYLON, POLYESTERPOLYETHYLENE YARN. SYNTHETIC FILTER FABRIC SHALL CONTAIN ULTRAVIOLET RAY INHIBITORS ANDSTABILIZERS TO PROVIDE A MINIMUM OF 6 MONTHS OF EXPECTED USABLE CONSTRUCTION LIFE AT ATEMPERATURE RANGE OF 0 DEG. F. TO 120 DEG. F.B.BURLAP SHALL BE 10 OUNCES PER SQUARE YARD OF FABRIC.C.POSTS FOR SILT FENCES SHALL BE EITHER 2"X4" DIAMETER WOOD. OR 1.33 POUNDS PER LINEAR FOOTSTEEL WITH A MINIMUM LENGTH OF 5 FEET. STEEL POSTS SHALL HAVE PROJECTIONS FOR FASTENINGWIRE TO THEM.D.THE FABRIC IS CUT ON SITE TO DESIRED WIDTH, UNROLLED, AND DRAPED OVER THE BARRIER. THEFABRIC TOE IS SECURED WITH ROCKS OR DIRT. THE FABRIC IS SECURED TO THE MESH WITH TWIN,STAPLES OR SIMILAR DEVICES.E.WHEN ATTACHING TWO SILT FENCES TOGETHER, PLACE THE END POST OF THE SECOND FENCE INSIDETHE END POST OF THE FIRST FENCE. ROTATE BOTH POSTS AT LEAST 180 DEGREES ON A CLOCKWISEDIRECTION TO CREATE A TIGHT SEAL WITH THE FILTER FABRIC. DRIVE BOTH POSTS INTO THE GROUNDAND BURY THE FLAP.F.WHEN USED TO CONTROL SEDIMENTS FROM A STEEP SLOPE, SILT FENCES SHOULD BE PLACED AWAYFROM THE TOE OF THE SLOPE FOR INCREASED HOLDING CAPACITY.4.MAINTENANCE:A.INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL.B.SHOULD THE FABRIC ON A SILT FENCE OR FIBER BARRIER DECOMPOSE OR BECOME INEFFECTIVEBEFORE THE END OF THE EXPECTED USABLE LIFE AND THE BARRIER STILL BE NECESSARY, THE FABRICSHALL BE REPLACED PROMPTLY.C.SEDIMENT DEPOSITS SHOULD BE REMOVED AFTER EACH STORM EVENT. THEY MUST BE REMOVEDWHEN DEPOSITS REACH APPROXIMATELY ONE/HALF THE HEIGHT OF THE BARRIER.D.RE-ANCHOR FENCE AS NECESSARY TO PREVENT SHORTCUTTING.E.INSPECT FOR RUNOFF BYPASSING ENDS OF BARRIERS OR UNDERCUTTING BARRIER.SILT FENCEBERMSANDBAG10 MIL. PLASTIC LINING3'SECTION A-ANOT TO SCALEVARIESAAPLANNOT TO SCALETYPE "BELOW GRADE"10 MIL. PLASTIC LININGLATH ANDFLAGGING ON3 SIDESSANDBAGBERMNOTES:1.ACTUAL LAYOUT DETERMINED IN THE FIELD.2.THE CONCRETE WASHOUT SIGN (SEE PAGE 6) SHALL BEINSTALLED WITHIN 30' OF THE TEMPORARY CONCRETEWASHOUT FACILITY.10' MINIMUM1.DESCRIPTION: A TEMPORARY STABILIZED PAD OF GRAVEL FOR CONTROLLING EQUIPMENT ANDCONSTRUCTION VEHICLE ACCESS TO THE SITE.A.APPLICATION: AT ANY SITE WHERE VEHICLES AND EQUIPMENT ENTER THE PUBLIC RIGHT-OF-WAY.3.INSTALLATION/APPLICATION CRITERIA: REFER TO APWA SECTION 01 57 00.A.CLEAR AND GRUB AREA AND GRADE TO PROVIDE MAXIMUM SLOPE OF 1 PERCENT AWAY FROM PAVEDROADWAY.B.COMPACT SUBGRADEC.PLACE FILTER FABRIC UNDER STONE IF DESIRED (RECOMMENDED FOR ENTRANCE AREA THAT REMAINSMORE THAN 3 MONTHS).4.MAINTENANCE:A.REQUIRES PERIODIC TOP DRESSING WITH ADDITIONAL STONES.B.PREVENT TRACKING OR FLOW OF MUD INTO THE PUBLIC RIGHT-OF-WAY.C.PERIODIC TOP DRESSING WITH 2 INCHES STONE MAY BE REQUIRED, AS CONDITIONS DEMAND, ANDREPAIR ANY STRUCTURES USED TO TRAP SEDIMENTS.D.INSPECT DAILY FOR LOSS OF GRAVEL OR SEDIMENT BUILDUP.E.INSPECT ADJACENT AREAS FOR SEDIMENT DEPOSIT AND INSTALL ADDITIONAL CONTROLS ASNECESSARY.F.EXPAND STABILIZED AREA AS REQUIRED TO ACCOMMODATE ACTIVITIES.STABILIZED ROADWAY ENTRANCETHIS PLAN MAY BE USED FOR THE CONSTRUCTION OF A STORM WATER BEST MANAGEMENT PRACTICE (BMP). IT ISNOT INCLUSIVE OF ALL PRACTICES AVAILABLE AND IS ONLY SPECIFIC TO THE CONSTRUCTION OF THIS TYPE.MAINTENANCE OF THIS TYPE OF INSTALLATION IS IMPORTANT AND SHOULD BE CONTINUOUSLY MONITORED BY THECONTRACTOR AND ENGINEER. DETAILS SHOWN HERE HIGHLIGHT IMPORTANT PARTS OF CONSTRUCTION, ANDSHOULD BE MODIFIED AS NEEDED.NARRATIVE:PAVED ROAD50' MIN.2" TO 4" SIZECOARSE AGGREGATE8" MIN.SEDIMENT FABRIC UNDERGRAVEL (NOTE 3C)SILT FENCEN.T.S. (APWA DETAIL 122)D5CONCRETE WASHOUTN.T.S.D9CATCH BASIN PROTECTIONN.T.S.D1STABILIZED ROADWAY ENTRANCEN.T.S. (APWA DETAIL 126)A115' MIN.6/20/2023 4:39 PMP:\ASG REAL ESTATE LLC (MONTANA) - 9521\3000 - BOZEMAN\3000 - CIVIL\Z DESIGN DRAWINGS\30X42\C501 EROSION CONTROL DETAILS 9521-3000.DWG
#REVISION DESCRIPTION DATE
2733 EAST PARLEYS WAY, SUITE 300
C O R P O R A T I O N
(801) 485-7770SALT LAKE CITY, UTAH 84109PROJECT #:DATE:DRAWN BY:SCALE:A B C D E F G 1234567891012345678910EROSIONEROSION CONTROL DETAILS
BOZEMAN, MONTANAD5013011 MAX AVENUE
AL'S SPORTING GOODS
9521-30006/20/2023H.C.NONECONTROL DETAILS06/20/2023ea)0"%fr*,