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HomeMy WebLinkAbout2013-09-17 Planning Board Supplemental Materials (110) DEWATERING NOTES: COVER DEWATERING BAG LOCATIONS AND DISCHARGE AREAS SHOULD BE SURFACE RESTORATION CHOSE WITH CAREFUL CONSIDERATION TO THE DOWNGRADIENT WATER PROPOSED PAVEMENT PATCH TO MATCH EXISTING PAVEMENT (SEE SPECIFICATIONS) RESOURCES AND THE EXISTING LANDSCAPE'S ABILITY TO TREAT WATER THICKNESS. \��\�\\ ADJUSTABLE SLIDING FLOWS FROM THE DEWATERING PROCESS. VEGETATED BUFFERS AND FLAT CURB BOX 36"WIDE PUMP TO MODERATE SLOPES PROVIDE THE BEST OPPORTUNITY FOR FILTRATION z 180 L.F. (LONG) DISCHARGE AND ABSORPTION OF SUCH DISCHARGES. REPLACE EXIST. CURB STOP TIE DOWN IF REQUIRED FOR SERVICE TRANSFER HOSE CARE MUST BE EXERCISED TO PREVENT CONTACT OF WATER FROM CORPORATION o TOP LAYER 2" DEPTH STRAP CONSTRUCTION DEWATERING WITH OIL, GREASE, OR OTHER STOP 1" COPPER UNLESS in CAP AT PROPERTY LINE FOR NEW SERVICE PEA—STONE FILTER PETROLEUM PRODUCTS OR TOXIC AND HAZARDOUS MATERIALS. OTHERWISE REQUIRED 4" LOAM EXIST. WATER COUPLING TO CONNECT NEW COPPER P AND SEED I THE DISCHARGE SHOULD BE STOPPED IMMEDIATELY IF THE RECIEVING MAIN SERVICE TO EXISTING NON COPPER DRIED 3' AREA SHOWS ANY SIGN OF INSTABILITY OR EROSION. , , SERVICE AT PROPERTY LINE <N3 DURING THE ACTIVE DEWATERING PROCESS, INSPECTION OF THE FOR SERVICE TRANSFER 4" = DEWATERING FACILITY SHOULD BE REVIEWED AT LEAST DAILY, WITH MORE � 30' TO 45' 1 FLAT STONE OR CONCRETE BLOCK FREQUENT OR CONTINUOUS SUPERVISION AS WARRENTED BY SITE CONDITIONS. COUPLING TO CONNECT NEW COPPER SERVICE TO EXIST. COPPER SERVICE 16" DEPTH STONE FILTER FLOW SPECIAL ATTENTION SHOULD BE PAID TO THE BUFFER AREA FOR ANY SIGNFOR SERVICE TRANSFER 50% 1-1/2" To 3" STONE >, OF EROSION OR CONCENTRATION OF FLOW THAT MAY DAMAGE THE BUFFERS FOR REGISTRY USE ONLY 18 MI . (IF CURB STOP IS TO REMAIN) 50% 3/4 TO 1-1/2" STONE IVEGETATION OR UNDERLYING SOIL. THE VISUAL QUALITY OF THE EFFLUENT NOTE: PROVIDE SADDLE FOR ALL AC AND PVC SEWN IN SHOULD BE MONITORED TO ASSESS WHETHER ADDITIONAL TREATMENT MAINS AND ALL 2" OR LARGER STOPS SPOUT �� � '- SHOULD BE PROVIDED TO PREVENT SEDIMENTATION OF DOWNSTREAM VARIANCE AND WATERSHED MIRAFI 5oox FILTER FABRIC OR EQUAL - - - � WATER SERVICE DETAIL NATIVE SOIL RECEIVING WATERS. SPECIAL PERMIT SITE PLAN WATER ALL SEDIMENT TRAPPED IN DEWATERING BAGS DURING EXCAVATING N.T.S. INFILTRATION TRENCH DETAIL PUMP �� AND HANDLING OF PESTICIDE IMPACTED SOIL AS PART OF REDEVELOPMENT LOCATED IN N.T.S OF THE SITE MUST BE HANDLED, TESTED AND DISPOSED OF IN NORTH ANDOVER ACCORDANCE WITH THE REQUIREMENTS OF THE SOIL MANAGEMENT PLAN. PROPOSED PROPOSED PAVEMENT PATCH LOAM & SEED TO MATCH EXISTING PAVEMENT MASSACHUSETTS DEWATERING DUIRNG PERIODS OF INTENSE HEAVY RAIN SHOULD BE AVOIDED. REQUIRED MAINTENANCE: ACTIVITY FREQUENCY FLOW TO DEWATERING BAG MUST NOT EXCEED THE BAGS VOLUME THICKNESS. 1, , \,I I, L dL, CAPACITY OR ITS CAPACITY TO FILTER FLOW. ill IIPREPARED FOR Inspect trench surface and remove debris Every 6 months and after every major storm TM GEOEXTILE BAG MATERIAL SHOULD BE BASED ON THE PARTICLE SIZES IN _ Remove sediment from to Ever 6 months and after ever major storm DANDY o GRAVEL BASE TO P y y THE PUMPED WATER. FOR COARSE PARTICLES A WOVEN MATERIAL MAY %ii I MATCH ROADWAY /i� APPLICANT DEWATERING \/� \\/� Remove top layer 2 pea—stone, inspect When filtration is compromised and BE USED. FOR SILTS AND CLAYS A NON—WOVEN MATERIAL IS REQUIRED. to cover filter fabric, replace as standing water is evident for extended BAG TOP VIEW BURIED CONDUIT ��/�� j�/ z STEVE DEHULLU P P RECEIVING WATERS. \\ /\\i� necessary replace ea—stone to 2" depth periods. MARKER \\ \�/�\\/�\\/�� � of 36 BENJAMIN STREET Y P P P w FILTERED BUTT BALES OFTWO (2) 1"x1%3' STAKES \�i� \\moi o o GROVELAND, MA 01834 WATER HAY TOGETHER. WEDGE LOOSE HAY EACH BALE z FLOW BETWEEN BALES. %/i /�/i PREPARED BY D p H M T I— Q \/\\ APPROVED /�\ ORDINARY Q BORROW �\ WILLIAM G. HOLT . _ _ V V yid'. W •Y W •Y •Y Y W •Y W •Y W •Y •Y •Y W w �//\\/'.. , c =1 I-1 I f-1 11 =1 l 1-1 1 I-1 11-1 f 1—f 11-1 I T-1 7 1-1 I It—vI 0 w d7 w GR w O v vp v �p v p O v j\ \` L�.7,RS,S E _I �_- -I W WY W •Y W W WY W W •YY WY C \\I \/ 83 W. MAIN STREET IT IT 2" MIN>%/, MIRAFI SILT r , �\ G MERRIMAC, MA 01860 SIDE VIEW FENCING WITH PLAN VIEW //j� \�/\�/\�//%j j��/; H AGGREGATE SUPPORT POSTS LIMIT OF WORK Is To � �\r, TEL: (978) 346-7873 UNDERLAY SPACE AT 7-6" BE HAYBALE LINE. DANDY BAG TM MAXIMUM. 6" 6" 6" DETAIL OF A DEWATERING BAG I TYPICAL ELECTRIC/TELEPHONE/CABLE TRENCH .40 W W COMPACT EXCAVATED UNDERGROUND ETC , VARIES ASSESSORS DATA: WETLAND 30 I W W SIDE OF SLOPE SOIL ON UPHILL N.T.S. RESOURCE I .� �. W TRENCH WIDTH AND DEPTH TO BE IN MAP: 35 W W ACCORDANCE WITH LOCAL SERVICE PARCEL: 4 ,II ,II SII g>, PROVIDERS REQUIREMENTS AS APPLICABLE. — 1 r 6" BENEATH EXIST. GRADE SECTION I HEREBY CERTIFY THAT THIS T.E.C. STAKED HAY/SILT FENCE ROOF PLAN CONFORMS TO THE RULES 20' MIN. EXISTING LEADER AND REGULATIONS OF THE PAVEMENT 2 EACH DUMP STRAPS N.T.S. 9" MIN. OF APPROVED FILL MOUNTABLE BERM EXPANSION RESTRAINT (NON PAVED AREAS). REGISTRAR OF DEEDS. 4 NYLON ROPE INSPECTION OPTIONAL (1/ PORTAL 14" MIN. OF 95% COMPACTED 2" FLAT WASHERS) OVERFLOW COVER MARKED GRAVEL IN (PAVED AREAS) FILTER CLOTH 6" MIN. PIPE "DRAIN" DEPTH SPLASH 6"F/A DR 535 with CALL PLATE F.G. PAVED PROFILE F.G. EL=103.0'± MIN 2.5" DEPTH MIN. EXISTING DUMP STRAP TOLL FREE DUMP STRAPAL 6" PVC SCH40 PAVEMENT BAG DETAIL 1-888—DIG—SAFE COUPLING 20' MIN. N.T.S (1-888-344-7233) RISER TO GRADE ELEV= 102.1' CULTEC NO. 410 FILTER ������� 72 HOURS IN ADVANCE gg FABRIC TOP (MANDATORY), 5' RAD. r \\� ELEV=100.5' d'8 o o SIDES AND BOTTOM. 8 0 0 0 0 00 0 0 0 8 0 0 0 00 ELEV=100.0' 00 00 0 00 8 0 00 800 WILLIAM G. HOLT, PLS,RS,SE ;• . ����`� BUILDING CULTEC CHAMBER 24" MIN. 6" BASE STONE 1 1-2" TO 2"0 :•�G3:•:M:N:•'.:Wi�YI`I':•'.:•:'•'.:•'.:•'.1d•::A!l:lN=.. . EXISTING ` \\`\ FOUNDATION MODEL R-180 CLEAN WASHED CRUSHED STONE. PAVEMENT _ GRAPHIC SCALE 1" REBAR FOR BAG E.S.H.W.T. REMOVAL FROM INLET I inch = 30 ft. EROSION CONTROL NOTES . ELEV = ( IN FEET ) \k, �r----- 5' RAD. ���` ����_�� DOWNSPOUT AND ROOF RUNOFF 30 0' 15 30 60 ,.� rr�r 1 . HAYBALES AND SILT FENCES: THE STAKED HAYBALES AND SILT FENCE SHALL BE INSTALLED �r��~ SILTSACK BY ATLANTIC PLAN V E W �� ROUND THE PERIMETER AND UPGARDIENT OF THE BORDERING VEGETATED WETLANDS IN INFILTRATION AREA DETAI L ��� CONSTRUCTION FABRICS, INC.INcACCORDANCE WITH THIS PLAN. THE SILTATION BARRIER WILL BE INSTALLED PRIOR TO THE OR APPROVED EQUAL. N.T.S. 9 � 9 18 NOTE: INSTALLATION DETAIL COMMENCEMENT OF ANY CONSTRUCTION ACTIVITIES. AN ADDITIONAL SUPPLY OF HAYBALES ALL N.T.S AND SILT FENCE SHALL BE ON—SITE TO REPLACE AND OR REPAIR HAYBALE FENCING THAT IS ZONING BOARD OF APPEALS ( IN METERS ) CONSTRUCTION SPECIFICATIONS: CATCH 1. SBASIN UNTIL RAINAGEACKS SHALL BE LAREA LED NHAS DISTURBED. PRIOR TO THE COMMENCEMENT OF WORK, THE HAYBALES AND SILT FENCE SHALL TOWN OF NORTH ANDOVER BEEN FULLY STABILIZED. BE INSTALLED AND INSPECTED BY THE PLANNING BOARD SUBDIVISION INSPECTOR. ON A WEEKLY BASIS 1. STONE SIZE: USE 2" STONE OR RECYCLED CONCRETE (IF ALLOWED)OR AND AFTER EVERY STORM EVENT, THE CONTRACTOR SHALL VERIFY THAT ALL EROSION CONTROL AND PROJECT TITLE: EQUIVALENT. 2. LENGTH: AS REQUIRED, BUT NOT LESS THAN 50', (EXCEPT ON A SINGLE SILTSACK DETAIL STABILIZING MEASURES ARE STILL IN PLACE AND INTACT. ANY BREAKS IN SILT FENCE AND HAYBALES LOT „1„ — HOUSE #18(45) WILL BE CORRECTED IMMEDIATELY. RESIDENCE LOT WHERE A 20' MIN. LENGTH WOULD APPLY). N.T.S 2. ALL STOCKPILING OF MATERIALS OR ANY OTHER EXPOSED MATERIALS, OPEN TO THE ELEMENTS VARIANCE & WATERSHED 3. THICKNESS: NOT LESS THAN SIX INCHES (6") DEPTH. 4. WIDTH: TEN (10) FOOT MINIMUM, BUT NOT LESS THAN FULL WIDTH AT SHALL BE STABILIZED. SITE PLAN DETAILS DISCHARGE HOSE 3. AT THE COMPLETION OF THE PROJECT ALL DISTURBED AREAS ARE TO BE PERMANENTLY POINTS WHERE INGRESS OR EGRESS OCCURS. TO DE—WATER DEVICE. LOAMED AND SEEDED OR PERMANENTLY STABILIZED WITH OTHER SUITABLE GROUND COVER 5. FILTER CLOTH: WILL BE PLACED OVER THE ENTIRE AREA PRIOR TO 12"-18" DRAWN: W. HOLT PLACEMENT OF STONE. (NOT REQUIRED FOR SINGLE RESIDENCE LOT). °°° °°° APPROVED BY THE ENGINEER. 6. SURFACE WATER: ALL SURFACE WATER FLOWING OR DIVERTED TOWARD 4. STORM DRAIN INLET PROTECTION: A TEMPORARY STORM DRAIN INLET PROTECTIVE SILTATION BARRIER DESIGNED: W.HOLT CONSTRUCTION ENTRANCE SHALL BE PIPED ACROSS THE ENTRANCE, IF PIPING 18"� PERF. °°° °°° SHALL BE INSTALLED INSIDE CATCH BASIN GRATE AS SHOWN IN THE DETAIL DEPTICTED ON THIS SHEET. IS IMPRACTICAL, A MOUNTABLE BERM WITH 5: 1 SLOPE WILL BE REQUIRED. HDPE PIPE °°° °°° THE SILT SACK SHALL BE MAINTAINED PER MANUFACTURES SPECIFICATIONS. DATE: CHECKED: W.HOLT 7. MAINTENANCE: THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION PUMP HOUSING °°° °°° 5. THE SURFACE OF ALL DISTURBED AREAS SHALL BE STABILIZED DURING AND AFTER CONSTRUCTION DATE: 8-12-12 WHICH WILL PREVENT TRACKING OR FLOWING SEDIMENT ONTO THE PUBLIC TEMPORARY MEASURES SHALL BE TAKEN DURING CONSTRUCTION TO PREVENT EROSION AND RIGHT OF WAY. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH ADDITIONAL °°° °°° ° PLANNING BOARD CAD FILE: DEHULLU/NA—L1(3-26-13) STONE AS CONDITIONS WARRANT, AND/OR CLEANOUT OF ANY MEASURES °°° °°° SILTATION. TEMPORARY EROSION CONTROL MEASURES SHALL CONFORM WITH THE MASSACHUSETTS EROSION AND SEDIMENT CONTROL GUIDELINES URBAN AND SUBURBAN AREAS" DATED MARCH 1997, TOWN OF NORTH ANDOVER JOB No. 13-004—SP USED TO TRAP SEDIMENT. ALL SEDIMENT SPILLED, DROPPED, WASHED, OR °°° °°° AND SHALL BE APPROVED BY THE ENGINEER. ALL DISTURBED SLOPES WILL BE STABILIZED WITH A OF # TRACKED ONTO PUBLIC RIGHT OR WAY, SHALL BE REMOVED IMMEDIATELY. °°° °°° 1-1/2" TO 2"0 PERMANENT VEGETATIVE COVER. ALL 2: 1 SLOPES SHALL BE STABILIZED WITH EROSION CONTROL LOCUS DEED: 8. WASHING: WHEELS SHALL BE CLEANED TO REMOVE SEDIMENT PRIOR TO ENTRANCE ONTO PUBLIC RIGHT OF WAY. WHEN WASHING IS REQUIRED, IT °°° °°° CLEAN STONE NETTING. SOME OR ALL OF THE FOLLOWING MEASURES WILL BE UTILIZED ON THIS PROJECT: Thad D Berry REF BK 1042 PG 466 SHALL BE DONE ON AN AREA STABILIZED WITH STONE AND WHICH DRAINS °O° °°° AGGREGATE A. TEMPORARY SEEDING B. TEMPORARY MULCHING (STRAW) NO, 42258 INTO AN APPROVED SEDIMENT TRAPPING DEVICE. C. PERMANENT SEEDING D. PLACEMENT OF SOD CIVIL REVISION BY 9. PERIODIC INSPECTION AND NEEDED MAINTENANCE SHALL BE PROVIDED °°° °°° E. HYDROSEEDING ( ) AFTER EACH RAINFALL EVENT. 12" F. PLACEMENT OF HAY WINTER MONTHS G. PLACEMENT OF JUTE NETTING (WINTER MONTHS) L CRUSHED STONED CONSTRUCTION 6. DUST CONTROL: DUST CONTROL IS NOT ANTICIPATED TO BE A PROBLEM DUE TO THE SMALL SIZE OF THE AREA DISTURBED, AND THE SHORT PERIOD OF EXPOSURE DURING CONSTRUCTION. ENTRANCE DESIGN NOTES- D E- WATERING SUMP IF DUST IS GENERATED DURING CONSTRUCTION ACTIVITIES, THEN THE USE OF WATER TRUCKS OR WATER SPRINKLING WILL BE IMPLEMENTED. ' N.T.S. 7. DEBRIS AND LITTER REMOVAL: ALL DEBRIS AND LITTER SHALL BE REMOVED WHEN NECESSARY. 8/12/2013 DATE: SHEET NO. 2 OF 2