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Home My WebLink About25IWC12-Beechwood Rd Culvert Replacement Plan 6-5-2025NAVD 88 BASE ELEV 320.00 PROFILE ALONG LOW FLOW CHANNEL STA -0+10 TO STA 2+00 HORIZ. SCALE = 1" = 10' VERT. SCALE= 1" = 5' 330 340 350 360 320 330 340 350 360 -0+10 0+00352.08349.95348.521+00336.50337.50330.38333.372+00326.15PRPOPOSED OUTLET ELEV= 336.50 58' - 36" CORRUGATED HDPE PI P E S=3.0% Exist. 36" RCP 5' DMH TF=351.2± CONNECT EXISTING 36" RCP PIPE INV OUT=338.30± EXISTING GRADE PROPOSED GRADE MODIFIED SIZE RIPRAP LEVEL SPREADER & OUTFALL ELEV= 336.50 STANDARD SIZE RIPRAP PREFORMED SCOUR HOLE INVERT ELEV= 335.00 LOW FLOW CHANNEL STATION=1+70.00 ELEV= 328.2 LOW FLOW CHANNEL STATION=1+80.00 ELEV= 327.7 LOW FLOW CHANNEL STATION=1+32.00 ELEV= 332.3 58' - 36" CORRUGATED HDPE PIPE S=3.0% D 5' DMH INSTALL AT END OF LAST SECTION OF STRAIGHT PIPE INV TO MATCH EXISTING (APPROX. 338.30) OUTLET ELEV. = 336.50 50 ' U P L A N D R E V I E W A R E A 334 342344346348350330 3 2 8 WATER F L O W 0+00 0+50 1+00 1+50 2+002+26STANDARD SIZE RIPRAP PREFORMED SCOUR HOLE (TYPE 1) BOTT. ELEV.=335.0 MODIFIED SIZE RIPRAP LEVEL SPREADER & OUTLET ELEV.=336.5 340338336 30' - 4" PVC S=14.9% 10' - 4" PVC S=26.0% 17' - 6" PVC S=27.0% OUTLET ELEV. = 340.00 CLEANOUT TO GRADE TF=344.4± INV IN=(4" E)=349.00 INV OUT=(4" SW)=349.00 6' - 4" PVC S=17.9% CLEANOUT TO GRADE TF=344.5± INV IN=(4" E)=344.50 INV IN=(4" NE)=344.50 INV OUT=(6" W)=344.50 REMOVE 15'± 36" CONC. PIPE AND PRECAST CONCRETE VAULT DISPOSE HEADWALL REMOVE TREES REMOVE TREES CLEAR AND GRUB WITHIN PROJECT LIMITS DISMANTLE MORTARED STONE RETAINING WALL CLEAN STONES, SUBJECT TO APPROVAL, MAY BE RE-USED FOR CHANNEL PROTECTION. DISPOSE OF UNSUITABLE WALL REMNANTS.LOW FLOW CHANNEL (SEE CHANNEL SECTION DETAIL) REMOVE AND REPLACE ROOF LEADER COLLECTOR PIPES AS SHOWNREMOVE ISLAND AND VEGETATION. FLARED END SECTION (SEE DETAIL) PROJECT WORK LIMITS. TEMPORARY & PERMANENT EASEMENTS TO BE SECURED BY THE TOWN SELECTIVE PLACEMENT OF NATIVE BOULDERS AND LARGE STONES. COORDINATE WITH ENGINEER. NOTE: SEE CONSTRUCTION DETAILS FOR CHANNEL BED RECONSTRUCTION #66 BEECHWOOD ROAD TEMPORARY & PERMANENT RIGHT TO WORK REQUIRED (2,720 S.F. ) #62 BEECHWOOD ROAD TEMPORARY & PERMANENT RIGHT TO WORK REQUIRED TEMPORARY & PERMANENT RIGHT TO DRAIN REQUIRED (7,701 S.F. ) 2+260+00 1+00 2+00DSFSFSFSFSFSFSFSFSFSF SF SFSFSF S F SF PROPOSED TEMPORARY CONSTRUCTION ACCESS 330332334336336 3443463483503383403423 2 8 CLEAR AND GRUB WITHIN PROJECT LIMITS PROJECT WORK LIMITS ANTI-TRACKING PAD (SEE DETAIL)PROVIDE AND MAINTAIN SILT FENCE (SEE DETAIL)SUGGESTED MATERIAL STORAGE AREA REQUIRED AS 2+260+00 1+00 2+00DSFSFSFSFSFSFSFSFSFSF SF SF PROPOSED TEMPORARY CONSTRUCTION ACCESS 330332334336336 3443463483503383403423 2 8 DE-WATERING & CONTROL OF WATER PLAN EXISTING CATCH BASIN MAY BE USED TO INTERCEPT STREAM FLOW FOR DEWATERING OPERATIONS. PLUG OUTLET FROM CATCH BASIN INSTALL AND MAINTAIN PUMP TO CONVEY STREAM FLOW DOWNSTREAM PROJECT WORK LIMITS TEMPORARY DE-WATERING PIPE (PHASE 2) SEDIMENT CONTAINMENT BAG (SEE DETAIL) TEMPORARY DE-WATERING PIPE (PHASE 1) SEDIMENT CONTAINMENT BAG (SEE DETAIL) GENERAL NOTES EXCAVATE LOW FLOW CHANNEL (1' DEEP x 3' WIDE) PROPOSED STREAM BED VARIES (SEE CROSS SECTIONS) VARIES VARIES CHANNEL BED RECONSTRUCTION - TYPICAL SECTION (NOT TO SCALE) CHANNEL BED RECONSTRUCTION AND MATERIALS: 1.REMOVAL OF EXISTING BED ARMORING: 1.1.REMOVE, STOCKPILE AND SEPARATE ALL EXISTING GRAVEL, COBBLE, AND BOULDER TO MINIMUM 12" DEPTH WITHIN EXISTING BANKFULL CHANNEL. REUSE MATERIAL ON TOP 12" OF FINAL CHANNEL BED. 2.CHANNEL RESTORATION: 2.1.PERFORM ROUGH GRADING OF CHANNEL PER PLAN. 2.2.DO NOT REUSE FINE-GRAINED SILTS, CLAYS, OR ORGANIC MATERIAL WITHIN THE BANKFULL CHANNEL. 2.3.TO ESTABLISH NEW CHANNEL IN FILL SITUATION: FILL TO WITHIN 12" OF FINAL GRADE WITH NATURAL SAND AND GRAVEL/COBBLE/BOULDER RE-USED FROM ON-SITE EXCAVATION. DO NOT USE SILTS, CLAYS, OR ORGANICS. DO NOT USE STOCKPILED BED ARMORING AS GENERAL FILL TO RAISE BED. PLACE FINAL 12" OF MATERIAL FROM STOCKPILED MATERIAL, AND SUPPLEMENT WITH BED ARMORING AS DESCRIBED BELOW. 2.4.TO ESTABLISH NEW CHANNEL IN CUT SITUATION, IN SUITABLE SOIL: PLACE FINAL 12" OF MATERIAL FROM STOCKPILED MATERIAL, AND SUPPLEMENT WITH BED ARMORING AS DESCRIBED BELOW. 2.5.TO ESTABLISH NEW CHANNEL IN CUT SITUATION, IN UNSUITABLE SOIL: REMOVE MATERIAL TO 24" BELOW FINAL GRADE. PLACE 12" OF SUITABLE SAND/GRAVEL FILL. PLACE FINAL 12" OF MATERIAL FROM STOCKPILED MATERIAL, AND SUPPLEMENT WITH BED ARMORING AS DESCRIBED BELOW. 3.LOW-FLOW CHANNEL: 3.1.SHALL BE SHAPED PER DETAIL. 4.RANDOM BED ARMORING: 4.1.PLACE EXISTING STONES/BOULDERS, AT A RANDOM APPLICATION RATE (PLACEMENT TO BE COORDINATED WITH ENGINEER).. 36"18" 36" 18'-0" 15'-0" 6'-0" 9'-0" 36" Construction Baseline - 0+00 336 340 344 348 352 356 336 340 344 348 352 356 0 4 8 12 16 20 240-4-8-12-16-20-24 Construction Baseline - 0+10 336 340 344 348 352 336 340 344 348 352 0 4 8 12 16 20 240-4-8-12-16-20-24 Construction Baseline - 0+20 336 340 344 348 352 356 336 340 344 348 352 356 0 4 8 12 16 20 240-4-8-12-16-20-24 Construction Baseline - 0+30 336 340 344 348 352 336 340 344 348 352 0 4 8 12 16 20 240-4-8-12-16-20-24352.1352.2352.2351.8352.0351.3351.7PROPOSED GRADE PROPOSED GRADE SCALE: HORIZ. = 1" = 4' VERT. = 1" = 4' Construction Baseline - 0+60 332 336 340 344 348 352 332 336 340 344 348 352 0 4 8 12 16 20 240-4-8-12-16-20-24 Construction Baseline - 0+70 332 336 340 344 348 352 332 336 340 344 348 352 0 4 8 12 16 20 240-4-8-12-16-20-24 Construction Baseline - 0+40 334 336 340 344 348 352 356 334 336 340 344 348 352 356 0 4 8 12 16 20 240-4-8-12-16-20-24 Construction Baseline - 0+50 332 336 340 344 348 352 332 336 340 344 348 352 0 4 8 12 16 20 240-4-8-12-16-20-24 351.2351.4348.5349.9344.4348.1341.1346.2PROPOSED 36" HDPE PROPOSED 36" HDPE PROPOSED 36" HDPE PROPOSED GRADE PROPOSED GRADE PROPOSED GRADE PROPOSED GRADE SCALE: HORIZ. = 1" = 4' VERT. = 1" = 4' Construction Baseline - 0+80 332 336 340 344 348 332 336 340 344 348 0 4 8 12 16 20 240-4-8-12-16-20-24 Construction Baseline - 0+90 332 336 340 344 348 332 336 340 344 348 0 4 8 12 16 20 240-4-8-12-16-20-24 Construction Baseline - 1+00 332 336 340 344 332 336 340 344 0 4 8 12 16 20 240-4-8-12-16-20-24 Construction Baseline - 1+10 328 332 336 340 344 328 332 336 340 344 0 4 8 12 16 20 240-4-8-12-16-20-24 Construction Baseline - 1+20 328 332 336 340 328 332 336 340 0 4 8 12 16 20 240-4-8-12-16-20-24 Construction Baseline - 1+30 328 332 336 340 328 332 336 340 0 4 8 12 16 20 240-4-8-12-16-20-24339.1344.3338.4342.4337.5336.5336.8335.0336.5336.5333.9333.2PROPOSED 36" HDPE PROPOSED 36" HDPE PROPOSED GRADE PROPOSED GRADE PROPOSED GRADE PROPOSED GRADE PROPOSED GRADE PROPOSED GRADE SCALE: HORIZ. = 1" = 4' VERT. = 1" = 4' Construction Baseline - 1+40 324 328 332 336 340 324 328 332 336 340 0 4 8 12 16 20 240-4-8-12-16-20-24 Construction Baseline - 1+50 324 328 332 336 324 328 332 336 0 4 8 12 16 20 240-4-8-12-16-20-24 332.6332.6334.0331.6Construction Baseline - 1+60 324 328 332 336 324 328 332 336 0 4 8 12 16 20 240-4-8-12-16-20-24 331.7330.5Construction Baseline - 1+70 324 328 332 336 324 328 332 336 0 4 8 12 16 20 240-4-8-12-16-20-24 330.6329.2Construction Baseline - 1+80 320 324 328 332 320 324 328 332 0 4 8 12 16 200-4-8-12-16-20-24 329.2327.8PROPOSED GRADE PROPOSED GRADE PROPOSED GRADE PROPOSED GRADE PROPOSED GRADE SCALE: HORIZ. = 1" = 4' VERT. = 1" = 4'