STREAM STABILIZATION PLAN
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2 DISTRICT COUNTY ROUTE SECTION SHEET 6- PHILADELPHIA 47 14B 1 OF 2 NOTES: REVISION NUMBER REVISIONS DATE BY 1. REFER TO EROSION AND SEDIMENT POLLUTION CONTROL PLANS FOR LOCATION OF TEMPORARY CONSTRUCTION ENTRANCE AND SEQUENCE OF CONSTRUCTION. 2. ALL S SHALL BE MADE IN ACCORDACE WITH FAIRMONT PARK COMMISSION SPECIFICATIONS. 3. PRIOR TO THE START OF, THE CONTRACTOR SHALL SUBMIT A PROPOSED SCHEDULE, INCLUDING SOURCE OF PLANT MATERIAL TO THE FAIRMONT PARK COMMISSION (FPC) FOR REVIEW. NO WORK SHALL BE PERFORMED UNTIL THIS SCHEDULE IS APPROVED BY THE FP 4. THE CONTRACTOR SHALL PROVIDE TREES AND SHURBS FOR S IN ACCORDANCE WITH FPC CRITERIA FOR FOREST UNDERSTORY. 5. REFER TO LANDSCAPING PLAN FOR TREE PROTECTION FENCE LOCATION. 6. INSTALL RIPRAP/GROUT BAGS UNDER BRIDGE TO AN ELEVATION.5 BELOW NORMAL STREAMBED ELEVATION FOR UPSTREAM AND DOWNSTREAM APPROACHES. S LIVE STAKING B L RIPRAP 2-YR WATER SURFACE ELEVATION = NORMAL STREAMBED ELEVATION = TYPICAL SECTION DOWNSTREAM TO PROPOSED GROUT BAGS B L APPROXIMATE LOCATION GROUT BAGS TO REMAIN 2-YR WATER SURFACE ELEVATION = S TOP OF RIPRAP/GROUT BAG ELEVATION = 281. R-6 RIPRAP LIMIT OF DISTURBANCE GROUT BAGS TO REMAIN TYPICAL SECTION UNDER BRIDGE TO PUMP GROUT UNDER FOUDATION BEHIND GROUT BAGS IN AREA OF UNDERMINING GROUT BAGS RIPRAP (11+ TO 11+45) S BL 2-YR WATER SURFACE ELEVATION = LEGEND LIMIT OF DISTURBANCE NORMAL STREAMBED ELEVATION = AREA OF LIVE STAKING AREA OF RIPRAP TYPICAL SECTION UPSTREAM STA 1+45 TO AREA OF S SCALE $DATE$ $FILE$ AREA OF GROUT BAG INSTALLATION 2 2 STREAM STABILIZATION PLAN
3 DISTRICT COUNTY ROUTE SECTION SHEET 6- PHILADELPHIA 47 14B 2 OF 2 RIPRAP REVISION NUMBER REVISIONS DATE BY LIVE STAKES DEFINITION SKETCH PLAN VIEW SECTION VIEW =BACKFILL SLOPE ANGLE (2H:1V MIN. ; 1H:1V MAX.) CONSTRUCTION NOTE: STONE BLOCKS SHALL BE ROTATED INTO THE BANK DURING PLACEMENT SUCH THAT THE UPSTREAM BLOCKS OVERLAP THE DOWNSTREAM BLOCKS BY 3 INCHES 2 YR. WATER SURFACE ELEVATION = TOP OF BANK ELEVATION = =INCLINATION OF WALL FROM HORIZONTAL (1H:5V) STREAMBANK COIR FIBER MATTING SECTION VIEW ROCK TOE TO PREVENT UNDERMINING OF LIVE STAKING STAKES - 3 FEET CENTER-TO-CENTER TOP ELEV. = YR. WATER SURFACE ELEVATION = ROCKS SHALL BE ANGULAR TOPSOIL (DEPTH = 5") BANK LINE 3 IN (MAX) FLOW R-4 RIPRAP 3 IN. IMBRICATION (MAX.) STREAM BED CLASS 2 GEOTEXTILE CLASS 2 GEOTEXTILE FS-3 FILTER BLANKET (MIN. THICKNESS = 8") BOTTOM ELEV. = TOE TRENCH AND FOOTER ROCK, R-4 RIPRAP STABLE CUT FACE FS-3 FILTER BLANKET (MIN. THICKNESS = 8") EMBED ROCK 2 MIN. BELOW CHANNEL ELEVATION 2 LIVE STAKES SHALL BE SPACED 2 TO 3 FEET STREAM BED 2 BOTTOM ELEV. = EMBED ROCK 2 MIN. BELOW CHANNEL ELEVATION APART (TRIANGULAR SPACING) TO GIVE A DENSITY OF 2 TO 4 CUTTINGS PER SQUARE YARD. PLAN VIEW DETAIL 1/2 TO 1-1/2 IN DIA. GROUT BAG/RIPRAP INSTALLATION FLAT TOP END STAKES - 3 FEET CENTER-TO-CENTER LATERAL.2 L B L BUD COIR FIBER MATTING FLOW.8 L 6 MIN. WATER TABLE TOP OF RIPRAP/GROUT BAG ELEVATION = 281. TEMPORARY 4" DIA. PVC PIPE AT 4 -" MAX. SPACING ALONG 45 DEGREE TAPERED BUTT END FACE OF ABUTMENT. AFTER FILLING CAVITY BELOW FOOTING, CUT PIPE FLUSH WITH TOP OF BAGS. NOTES: LIVE STAKES SHOULD BE 2-3 FEET IN LENGTH. ADDITIONALLY, THE BRIDGE FND. (UNKNOWN DEPTH) BRIDGE FND. (UNKNOWN DEPTH) 1. CONTRACTOR SHALL SELECT AND INSTALL WILLOW, COTTONWOOD, OR OTHER LIVE STAKE AS APPROVED BY FP 2. S SHALL OCCUR ON NATURAL BANK SOIL, NOT FILL. STAKES SHOULD HAVE A DIAMETER IN THE RANGE OF 1/2 TO 1-1/2 INCHES. GROUT BAGS TO REMAIN CAVITY BELOW FOOTING SHALL BE FILLED WITH GROUT LOCATION AND EXTENT TO BE DETERMINED BY THE ENGINEER 3. S SHALL BE DONE AT SLOPES NO R-6 RIPRAP STEEPER THAN 2:1. 4. INSTALLATION SHALL OCCUR BETWEEN CLASS 2 GEOTEXTILE GROUT BAGS OCTOBER 15 AND APRIL 15. AREA OF STREAMBED TO BE AIRLIFTED TO ACCOMODATE GROUT BAGS STREAM STABILIZATION PLAN
4 6- PHILADELPHIA OF T. T. 1+9 T. T. 1+1 T. T. 1+7 T. T. T. T. 1+5 T. T
5 6- PHILADELPHIA OF T. T T. T. TOPSOIL RIPRAP FILTER BLANKET 11+3 T. T T. T. GROUT BAGS 11+1 T. T T. T
6 6- PHILADELPHIA OF % 12+7 T. T T. T. RIPRAP 5.7% LIVE 5.6% STAKING TOPSOIL FILTER BLANKET 12+5 T. T T. T T. T T. T
7 6- PHILADELPHIA OF T. T. T. T T. T. T. T. RIPRAP TOPSOIL LIVE STAKING FILTER BLANKET 13+5 T. T. T. T
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