HomeMy WebLinkAbout20090674 Ver 1_Site Plan_20090824
18" MAPLE CREEK OUTFALL-PHASE 2
CRM PROJECT NUMBER WW017-2
CHTY OF
NOR T H
CAR 0 L H N A
TROY DOlBY
&. ASSOCIATlES, llNCo
CONSUL THNG ENGINEERS
TROY DOBY 8< ASSOCIA TES, INC. PROJECT # 1890 D WG.. NO.. 1 89001 001
COPYRIGHT" 2007 - ALL RIGHTS RESERVED - TROY OO8Y & ASSOCIATES. INC.
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77'53'22"W
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BEGIN CONSTRUCTION
EXISTING MANHOLE STA.
N 800762.8978
E 2333624.5702
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DATE:MAR 24. 2008
DESIGNED BY: TAD
TECHNICIAN: ReB
CHECKED BY:TAD.JR
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REVISIONS
VICINITY MAP
NO SCALE
NO. DATE
DIRECTIONS TO THE SITE:
FROM THE INTERSECTION OF INTERSTATE 95 AND US HIGHWAY 64 IN NASH COUNTY. NORTH CAROLINA
PROCEED WEST ON US HIGHWAY 64 APPROXIMATELY 1.2 MILES TO OLD CARRIAGE ROAD. TURN LEFT ON
TO OLD CARRIAGE ROAD AND PROCEED SOUTH APPROXIMATELY 2.6 MILES TO THE INTERSECTION OF OLD
CARRIAGE ROAD AND OAK LEVEL ROAD. TURN LEFT ONTO OAK LEVEL ROAD AND PROCEED EAST ( TOWARD
RDCKY MOUNT l APPROXIMATELY 2.15 MILES PASSING OVER INTERSTATE 95 AT 0.91 MILE TO THE
INTERSECTION OF OAK LEVEL ROAD AND OLD HALIFAX ROAD. TURN LEFT ONTO OLD HALIFAX ROAD AND
PROCEED NORTH APPROXIMATELY 0.26 MILE TO THE INTERSECTION OF OLD HALIFAX ROAD AND
BETHLEHEM ROAD. MAPLE CREEK OUTFALL CROSSES OLD HALIFAX ROAD APPROXIMATELY 200 FEET NORTH
THE INTERSECTION OF MAPLE CREEK AND OLD HALIFAX ROAD. PROCEED ALONG MAPLE CREEK OUTFALL.
PHASE 1 IN A WESTERLY DIRECTION APPROXIMATE 750 FEET MORE OR LESS TO THE LAST MANHOLE. THIS
IS THE BEGINNING OF MAPLE CREEK OUTFALL. PHASE 2. THE BEGINNING POINT HAVING AN APPROXIMATE
COORDINATE OF 35'56'41"N ANO 77'S2'20"W.
SCALES
AS SHOWN
PROJ. NO. DIV.
1890 A
DRAWING NO.
189001002
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LIST OF DRAWINGS
GENERAL CONSTRUCTION NOTES
FOR UTIL]TY INSTALLATIONS:
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DRAWING NUMBER
1. THE CONTRACTOR SHALL MAKE HIS OWN PREBIO FIELD DETERMINATION OF ALL EXISTING
UTILITIES. STORM DRAINAGE. AND OTHER BURIED OR CONCEALED FACILIT]ES. THE
LOCATION SHOWN ON THE DRAWINGS OF EXISTING UTIL]TIES. STORM DRAINAGE. AND OTHER
BURIED AND OR CONCEALED FACILITIES ARE NOT GUARANTEED AND SHALL BE VERIFIED BY
THE CONTRACTOR TO HIS SATISFACTION PRIOR TO START OF WORK. THE DRAWINGS DO NOT
SHOW ALL EXISTING UTIL]TES. STORM DRAINAGE. AND OTHER BURIED AND OR CONCEALED
FACILITIES.
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ASPHALT DRIVEWAY. ASSOCIATED COST FOR OPEN-CUT OF DRIVEWAYS SHALL BE PA]D AS
EITHER: 1) PAVEMENT PATCHING FOR UTILITY INSTALLATION: OR 2) REMOVAL AND
REPLACEMENT OF CONCRETE DRIVEWAY. AS CALLED-OUT IN THE BID SCHEDULE. PAYMENT
SHALL NOT BE MADE FOR WIDTHS GREATER THAN: 1) FOUR FEET (4 ) FOR WATER MAIN
INSTALLATION: AND 2) SIX FEET (6 ) fOR SANITARY SEWER MAIN INSTALLATION. UNLESS
PRIOR APPROVAL IS OBTAINED fROM THE ENGINEER. NO EXTRA PAYMENT WILL BE MADE FOR
BETTERMENT Of DRIVEWAYS OR DRIVES TO MAILBOXES.
34. TIE-IN TO EX]STING SANITARY SEWER MA]NS:
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DESCRIPTION
A. NEW SANITARY SEWER MAINS WHICH ARE TO CONNECT TO EXIST]NG STUB LINES OR
MANHOLES SHALL REMAIN PLUGGED UNTIL THEY HAVE BEEN COMPLETED AND TESTED. UPON
ACCEPTANCE OF THE TESTING Of THE NEW SANITARY SEWER SYSTEM BY THE ENGINEER. THE
NEW SANITARY SEWER MA]NS CAN BE CONNECTED TO THE EXISTING STUB LINE DR MANHOLE.
189001001
189001002
189001003
18900115A
COVER SHEET
VICINITY MAP
CONSTRUCTION NOTES AND LIST OF DRAWINGS
EXISTING MAPLE CREEK OUTFALL FROM 135+00 TO 149+17.31
NEW MAPLE CREEK OUTFALL FROM 149+17.31 TO 150+00
MAPLE CREEK OUTFALL FROM 150+00 TO 165+00
MAPLE CREEK OUTFALL FROM 165+00 TO 180+00
MAPLE CREEK OUTFALL FROM 180+00 TO 195+00
MAPLE CREEK OUTFALL FROM 195+00 TO 210+00
MAPLE CREEK OUTFALL FROM 210+00 TO 219+18.40
LINE 2 MAPLE CREEK OUTFALL FROM 0+00 TO 9+54.61
BOLT REVOLUTION MANHOLE COVER DETAILS
TRENCHING AND BEDDING DETAIL.
CONCRETE ENCASEMENT DETAIL
RIP RAP DETAIL
5' DIAMETER MANHOLE DETAILS
SEDIMENTATION AND SOIL EROSION CONTROL PLAN
SEDIMENTATION AND SOIL EROSION CONTROL PLAN
SEDIMENTATION AND SOIL EROSION CONTROL PLAN
SEDIMENTATION AND SOIL EROSION CONTROL PLAN
SEDIMENTATION AND SOIL EROSION CONTROL DETAILS
SEDIMENTATION AND SOIL EROSION CONTROL DETAILS
ANTI-SEEPAGE COLLAR DETAIL
SEEDING PREPARATION. SILT BAG AND TEMPORARY
SEDIMENT TRAP W/BAFFLES DETAILS
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B. EXISTING CITY SANITARY SEWER SYSTEM SHALL NOT BE USED FDR DISCHARGE OF
SEDIMENT FROM CLEANING OF NEW SEWER LINES OR DEWATERING Of PIPE TRENCHES.
2. THE CONTRACTOR SHALL CONTACT NC ONE-CALL CENTER AT 10800-632-4949 AT
LEAST FOURTY-EIGHT (48) HOURS PRIOR TO DIGGING.
3. IN THE EVENT Of CONFLICTS WITH EXISTING UTILITIES. OR IF FURTHER VERIfICATION
OF BUR]ED AND OR CONCEALED UTILITIES. OR TEMPORARY DISRUPTION Of SERVICE IS
NECESSARY. THE CONTRACTOR SHALL CONTACT THE APPROPRIATE UTILITY COMPANY AND
SHALL fULLY COORDINATE ANY NECESSARY MODIFICAIONS OF THE WORK WITH THE ENGINEER
AND THE APPROPRIATE UTILITY. KNOWN UT]LITIES WITHIN THE PROJECT AREA AND THEIR
RESPECTIVE CONTRACTS ARE AS FOLLOWS:
A. CITY WATER AND SEWER [ED JOYNER 972-1317)
B. CITY STREETS AND STORM SEWER (WAYNE HOLLOWELL 972-1296)
C. CITY ELECTRICITY [DARRYL STROTHER 972-1272)
D. CITY GAS [LLOYD TRUNER 972-1279J
E. NCDOT STREETS AND STORM SEWER [DAVID REYNOLDS 459-2128)
F. COX COMMUNICATIONS [ANTHONY SOLOMON 443-15921
G. SPRINT CAROLINA TELEPHONE [JOHN RILEY 446-4940 OR TOMMY HOPKINS 446-62791
25. THE CONTRACTOR SHALL IMMEDIATELY RESTORE ALL DRIVEEWAYS AND DRIVES TO
MAILBOXES TO AS GOOD CONDITION AS ORIGINAL. THE CONTRACTOR SHALL MAINTAIN ALL
DRIVEWAYS OR MAIL BOX DRIVES UNTIL SAID DRIVES ARE ACCEPTED BY THE ENGINEER IN
AS GOOD CONDITION AS ORIGINAL. THE CONTRACTOR SHALL INCLUDE IN HIS UNIT PRICE
BID FOR PIPE INSTALLATION THE COST OF RESTORING OF GRAVEL DRIVEWAYS OR DRIVES TO
MAILBOXES TO THEIR ORIGINAL CONDITION TO THE SATISFACTION OF THE ENGINEER. NO
EXTRA PAYMENT WILL BE MADE FOR BETTERMENT OF DRIVEWAYS DR DRIVES TO
MAILBOXES.
1) CONTRACTOR SHALL NOTIfY CITY. ALL AfFECTED USERS AND THE ENGINEER PRIDR TO
INTERRUPTION Of SERVICE.
35. INTERRUPTION OF SERVICE:
A. MAIN OR SERVICE CHANGE-OVER:
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18900116A
18900117 A
18900118A
18900119A
18900120A
18900121A
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26. THE CONTRACTOR SHALL IMMEDIATELY RESTORE ALL MAIL BOXES. ROADWAY SIGNS.
ETC.. AS SOON AS POSSIBLE. AT A MINIMUM THESE ITEMS SHALL BE REPLACED PRIOR TO
COMPLETION Of THE WORK. WHEN THE ENGINEER DETERMINS THAT IT IS NECESSARY TO
TEMPORARILY REMOVE A STOP SIGN. HE SHALL DIRECT THAT EITHER: (1) A TEMPORARY
STOP BE INSTALLED: OR (2) THAT A fLAGMAN SHALL BE USED IN ITS STEAD UNTIL
THE PERMANENT STOP SIGN CAN BE REPLACED AT ITS ORIGINAL LOCATION.
2) If INTERRUPTION OF SERVICE(S) WILL BE GREATER THAN TWO (2) HOURS. THE
CONTRACTOR SHALL PRE-SCHEDULE THE WORK WITH CITY AT A MUTUALLY AGREEABLE TIME
THAT WOULD IMPOSE A MINIMUM INCONVENIENCE ON THE AFFECTED USERS.
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36. DISPOSAL Of CHLORINATED WATER:
A. WATER FLUSHED FROM A WATER MAIN CONTAINING A CHLORINE REES]DUAL SHALL NOT BE
DISCHARGED WITHIN ONE THOUSAND FEET (1.000 ) OF SURfACE WATERS. fLUSHED WATER
CONTAININNG CHLORINE RESIDUAL SHALL BE DISCHARGED INTO DIKED DITCHES AND
CONTAINED UNTIL CHLORINE RESIDUAL IS REDUCED TO LESS THAN ONE PART PERMILLION (1
ppm).
27. WORK MAY REOUIRE REMOVAL AND RELAYING Of EXISTING DRIVEWAY CULVERTS. THE
CONTRACTOR SHALL USE DUE CARE IN REMOVAL OF ESITING CULVERTS TO PROTECT THEM
FROM HARM AND TO PREPARE THEM fOR REINSTALLATION. THE ENGINEER SHALL INSPECT
THE REMOVED CULVERT PIPE TO DETERMINE If THEY ARE SUBSTANDARD IN SIZE. MATERIAL
OR IN A CONDITION NOT SUITABLE fOR REINSTALL-ATION. THE ENG]NEER SHALL DIRECT
THE CONTRACTOR AS TO HIS DEC]SION. THE CDNTRACTOR SHALL BE PAID FOR HIS WORK
BASED ON THE UNIT PRICES BID fOR: 1) REMOVAL AND RELAYING Of EXISTING DRIVEWAY
CULVERTS: AND 2) REMOVAL AND REPLACEMENT DF EXISTING DAMAGED OR SUBSTANDARD
DRIVEWAY CULVERTS.
A. NOT MORE THAN THREE HUNDRED (300 ) OF TRENCH SHALL BE OPENED IN ADVANCE OF
PIPE INSTALLATION AND COMPLETED BACKFILLING.
4. ALL QUANATIES AND MEASUREMENTS SHOWN ON THE QRAWINGS fOR THE WORK ARE
APPROXIMATE AND ARE fOR BIDDING PURPOSES ONLY. THE BASIS OF PAYMENT FOR THE
WORK SHALL BE MADE fOR THE ACTUAL FIELD MEASURED QUANTITIES OF ITEMS WHICH HAVE
BEEN INSTALLED AND APPROVED BY THE ENGINEER.
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130301 D13
189001SE5
1890015E6
189001 SE7
1890015E8
1303015E1
130301 SE2
5. THE CONTRACTOR SHALL CONTACT NCDOT DIVISION 4. D]STRICT 1 OFfICE OR DISTRICT
2 OffICE. AS APPROPRIATE. PRIOR TO PERfORMING ANY WORK WITHIN NCDOT
RIGHT-OF-WAY. A COPY OF ALL APPROVED ENCROAQCHMENT AGREEMENTS WILL BE fURNISHED
BY THE CITY TO THE CONTRACTOR AND SHALL BE KEPT ON-SITE DURING ALL CONSTRUCTION
WORK.
28. ALL SECONDARY ROADS. MAJOR H]GHWAYS, RAILWAYS. ETC.. SHALL BE CROSSED BY
DRYBORE AND JACK METHOD SHOWN ON THE DRAWINGS. SERVICE LINES FOUR INCH (4 )
AND SMALLER MAY BE INSTALLED BY DRYBORE AND JACK METHOD WITHOUT ENCASEMENT.
MAINS SIX INCH (6 ) AND LARGER SHALL BE ]NSTALLED BY DRYBORE AND JACK METHOD
SHALL BE STEEL ENCASED WITH CAS]NG EXTENDING A MINIMUM OF THREE fEET (3 )
BEYOND THE EDGE OF PAVEMENT. QUANTITIES Of ENCASED DRYBDRE fOR WHICH PAYMENT
SHALL BE MADE WILL BE BASED UPON THE ACTUAL LENGTH SPEClfICED BY THE REGULATING
RIGHT-Of WAY AGENCY AND APPROVED BY THE ENGINEER. NO PAYMENT SHALL BE MADE FOR
DRYBORE CASING NOT REQUIREO BUT LEFT IN PLACE fOR THE CONVENIENCE Of THE
CONTRACTOR.
B. TRENCHES SHALL NOT REMAIN OPEN OVER NIGHT WITHOUT THE APPROVAL OF THE
ENGINEER. WHEN SUCH APPROVAL IS GRANTED THE CONTRACTOR SHALL PROVIDE
BARRICADES. TRENCH COVERS OR OTHER APPROPRIATE PROTECTION TO PEDESTRIANS AND THE
TRAVEL]NG PUBLIC TO AVOID INJURY. DAMAGE OR INCONVENIENCE AS A RESULT OF THE
OPEN TRENCH.
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6. THE CONTRACTOR IS PROH]BITED fROM STORAGE OF CONSTRUCTION EQUIPMENT AND OR
MATERIALS ON NCDOT MAINTAINED PAVED ROADWAYS AND IS PROHIBITED fROM STOCKPILING
OF TRENCH EXCAVATION OR SPOIL MATERIAL ON NCDOT MAINTAINED PAVED ROADWAYS. THE
COST OF HAULING AND Off-SITE STOCKPILING OF THIS CLASS OF EXCAVATED MATERIALS
SHALL BE INCLUDED BY THE CONTRACTOR IN HIS UNIT PRICE BID FOR THE PIPE
INSTALLAT ION.
38. EXIST]NG AND PROPOSED WATER AND SEWER SERVICES:
A. WATER AND SEWER SERVICES SHALL BE PROVIDED AT EVERY RECORDED LOT Of RECORD.
EVERY EXISTING DWELLING UNIT. OR AS DIRECTED BY THE ENGINEER. IN CASES WHERE
LARGE UNDEVELOPED OR AGR]CULTURAL TRACTS OF LANO HAVE FRONTAGE ALONG THE
PROPOSED WATER OR SEWER MAIN. THE ENGINEER MAY DETERMINE TO DELETE OR OMIT
SERVICES TO THESE LARGE TRACTS OF LAND AS PART Of THIS CONTRACT.
130301 SE3
7. THE CONTRACTOR IS RESPONSIBLE fOR PROVIDING. INSTALLING. MAINTAINING AND
REMOVING SIGNS. BARR]CADES. LIGHTS. ETC.. IN ACCORDANCE WITH THE MANUAL Of
UNIfORM TRAFfIC CONTROL DEVICES. LATEST EDITION. FOR LANE CLOSURES OR DETOURS ON
CITY STREETS. CONTACT THE CITY TRAFfIC ENGINEER AT 252-972-1123 FOR APPROVAL OF
APPAROPRIATE ]NSTALLATION. FOR LANE CLOSURES OR DETOURS ON NCDDOT ROADWAYS.
CDNTACT THE DISTRICT ENGINEER AT 252-459-2126. CONSTRUCTION SIGNING SHALL BE
CONS]DEREO INCIDENTAL TO PIPE L]NE COSTRUCTION AND THE CONTRACTOR SHALL INCLUDE
THE COST OF SUCH WORK IN THE UNIT PRICE BID FOR PIPE INSTALLATION.
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29. WHEN A WATER MAIN IS TO BE INSTALLED UNDER AN EXISTING STORM DRAIN OR GAS
MAIN. BUT NOT A SANITARY SEWER. A PIPE JO]NT ON THE WATER MAIN TO BE INSTALLED
SHALL BE CENTERED ON THE EXISTING STORM DRAIN OR GAS MAIN. TO THE EXTENT
POSSIBLE THE EXISTING STORM ORAIN OR GAS MAIN SHALL NOT BE DISTURBED. WATER
MA]NS TO BE INSTALLED UNDER EXIST]NG STORM DRAINS OR GAS MAINS SHALL BE
INSTALLED BY UNCASED BRYBORE OR TUNNELING. THE COST OF UNCASED DRYBORE PIPE
INSTALLATION SHALL BE INCLUDED BY THE CONTRACTOR IN HIS UNIT PRICE BID fOR THE
PIPE INSTALLATION.
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B. ALL WATER SERVICES SHALL BE THREE-QUARTER INCH (3/4 ) SERVICE UNLESS
OTHERWISE NOTED ON THE DRAWINGS OR DIRECTED BY THE ENGINEER. THE INSTALLATION
SHALL BE IN ACCORDANCE WITH STANDARD DRAWING 5.5 OF THE MANUAL AND SHALL INCLUDE
THE fOLLOWING: (1) TAP OR TAPING SADDLE AS APPROPRIATE: (2) CORPORAT]DN STOP;
(3) SERVICE LINE. BORE UNDER ROAOWAY ]F APPLICABLE; (4) METER BOX WITH CRUSHED
STONE: (5) CURB STOP. BRASS CLAMPING DEVICE, AND END CONNECTOR. THE SERVICE
WITH THE LISTED ]TEMS SHALL BE INSTALLED BY THE CONTRACTOR COMPLETE. SET TO
GRADE. TESTED. AND READIED FOR METER PLACEMENT. METERS AND THE SETTING OF
METERS SHALL BE THE RESPONSIBILITY Of THE CITY AND THIS WORK WILL BE PERfORMED
AT NO ADDITIONAL COST TO THE CONTRACTOR. THE CITY SHALL RECORD INITIAL METER
READINGS FOR SERVICE START-UP. THE CONTRACTOR SHALL BE RESPONSIBLE FOR RECORD
DRAWINGS Of THE METER INSTALLATION AND TAP CARDS WITH TIE-DOWNS TO METER BOXES.
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8. THE CONSTRACTOR SHALL BE RESPONS]BLE FOR AND CORRECT]NG ANY AND ALL DAMAGES
TD PROPERTY. BOTH PUBLIC AND PRIVATE. CAUSED BY HIM DURING THE EXECUTION OF H]S
WORK. THE COST OF REPLACING OR REPAIRING SUCH DAMAGED PROPERTY TO THE ORIGINAL
COND]TION SHALL BE INCLUDED BY THE CONTRACTOR IN HIS UNIT PRICE BID fOR THE PIPE
INSTALLATION.
9. THE CONTRACTOR SHALL BE RESPONSIBLE fOR AND SHALL CDRRECT ANY AND ALL DAMAGES
TD EXISTING UTILITES. STORM DRAINAGE AND OTHER FAC]LITIES CAUSED BY HIM DURING
THE EXECUTION OF HIS WORK WHETHER SUCH ITEMS ARE SHOWN ON THE DRAWINGS OR NOT.
THE COST OF REPLACING OR REPAIRING SUCH DAMAGED EXISTING UTIL]TES. STORM
DRA]NAGE ANO OTHER FACILITIES TO THE SATISfACTION OF THE ENGINEER SHALL BE
INCLUDED BY THE CONTRACTOR IN HIS UNIT PRICE BIO fOR THE PIPE INSTALLATION.
1) HORIZONTAL SEPARATION OF AT LEASWT TEN FEET (10 ) SHALL BE MAINTAINEO
BETWEEN WATER MAINS AND SANITARY SEWERS. WHERE LOCAL CONDITIONS DR BARRIERS
PREVENT A TEN FOOT (10 ) LATERAL SEPARATION. ONE OF THE fOLLOWING SHALL APPLY:
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VERTICALLY BELOW THE DEEPEST PORTION OF A DITCH. STREAM OR CREEK CROSSING BED.
COVER OVER ENCASEMENTS MAY BE DECREASED TO TWO FEET (2 ) AT ROADSIDE D]TCH AS
LONG AS COVER OVER THE CARRIER PIPE IS MAIANTAINED AT THREE FEET (3 ).
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31. RELATION Of WATER MA]NS TO SANITARY SEWERS:
A. LATERAL SEPARATION OF WATER MAINS AND SANITARY SEWERS:
C. ALL SEWER SERVICES SHALL BE fOUR INCH (4 ) SERVICE UNLESS OTHERWISE NOTED ON
THE DRAWINGS OR DIRECTED BY THE ENGINEER. THE INSTALLATION SHALL BE IN
ACCORDANCE WITH STANDARD DRAWING 4.12 OF THE MANUAL AND SHALL INCLUDE THE
fOLLOWING: (1) IN-LINE SERVICE WYE WITH PUSH-ON JOINTS: (2) SERVICE PIPE. BENDS;
(3) BORE UNDER ROADWAY IF APPLICABLE; (4) CLEANOUT WITH PLUG. SERVICE LINE PLUG.
AND STONE BEDDING. THE SERVICE W]TH THE LISTED ITEMS SHALL BE INSTALLED BY THE
CONTRACTOR COMPLETE. SET TO GRADE. TESTED. AND READIED fOR SERVICE CONNECTION.
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10. FENCES OAMAGED DURING CONSTRUCT]ON OPERAT]ONS SHALL BE REPAIRED BY THE
CDNTRACTOR. THE CONTRACTOR SHALL ]NSTALL TEMPORARY FENC]NG TO PREVENT ESCAPE Of
LI VESTOCK.
Q. MAINS SHALL BE INSTALLED SUCH THAT THE WATER AND SEWER MAINS SHALL BE LAID
WITHIN SEPARATE TRENCHES WITH THE EELEVATIDN Of THE BOTTDM OF THE WATER MAIN AT
LEAST EIGHTEEN INCHES (18 ) ABOVE THE TOP OF THE SEWER.
D. ALL SERVICES FOUR INCH (4 ) AND SMALLER. WHICH CROSS A ROADWAY OR MORE THAN
ONE LANE Of ROADWAY. SHALL BE INSTALLED BY UBNCASED DRY BORE AND JACK METHOD.
11. ALL FENCE CROSSINGS OF PIPE LINE BEING CONSTRUCTED SHALL BE REPLACED WITH
FENCE OF LIKE MATERIAL. INCLUDE IN REPLACEMENT A GATE TEN FEET (10 ) OR WIDER Of
LIKE MATEERIAL AT EACH fENCE CROSSING BY PIPE COSNTRUCTION. COST Of REPLACING
FENCES AND PROVIDING GATES SHALL BE INCLUDED IN UNIT PRICE BID PER LINEAR FOOT
OF WATER OR SEWER PIPE.
OR
39. WATER AND SEWER SERVICE CONNECTIONS:
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INSTALLED ON AN ELEVATIED BENCH ABOVE THE SEWER WITH THE ELEVATION Of THE BOTTOM
OF THE WATER MAAIN AT LEAST EIGHTEEN INCHES (18 ) ABOVE THE TOP OF THE SEWER.
A. ALL HOUSEE CONNECTIONS SHALL BE LAID TO THE RIGH-Of-WAY LINE OR EASEMENT
LINE. AS SHOWN ON THE DRAWINGS. OR AS DIRECTED BY THE ENGINEER.
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12. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ANY DAMAGE CAUSED BY HIS
CONSTRUCTION OPERATIONS TO EXISTING USGS. NCGS. NCDOT AND OR CITY OF ROCKY MOUNT
MONUMENTS. THE CONTRACTOR SHALL. AT HIS COST. REPAIR. REPLACE OR RESET ANY
MONUMENTS SO DISTURBED BY HIM AS DETERMINED BY THE ENGINEER. THIS WORK SHALL BE
DONE BY A REGISTERED LAND SURVEYOR.
B. CROSSING OF A WATER MAIN OVER A SANITARY SEWER MAIN:
B. WHERE AN EXISTING SERVICE ]S IN PLACE. THE CONTRACTOR SHALL TIE-IN THE
EXISTING SERVICE TO THE NEW SYSTEM.
1) WHENEVER IT IS NECESSARY fOR A WATER MAIN TO CROSS OVER A SANITARY SEWER MAIN
OR A SANITARY SEWER MAIN TO BE BORED UNDER A WATER MAIN. THE MAINS SHALL BE
INSTALLED IN SUCH MANNER THAT THE BOTTOM Of THE WATER MAIN IS AT LEAST EIGHTEEN
INCHES (18 ) IN A VERTICAL PLANE ABOVE THE TOP Of THE SANITARY SEWER. WHERE
LOCAL COND]TIONS OR BARRIERS PRVENT AN EIGHTEEN INCH (18 ) VERTICAL SEPARATION.
BOTH THE WATER MA]N AND THE SANITARY SEWER MAIN SHALL BE CONSTRUCTED Of fERROUR
MATERIALS AND WITH JO]NTS THAT ARE EQUIVALENT TO WATER MAIN STANDARDS. THE
JOINTS SHALL BE LOCATED A D]STANCE Of TEN fEET (10 ) ON EACH SIDE Of THE POINT
Of CROSSING.
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C. fOR WATER SERVICE INSTALLATION WHERE PROPERTY OWNER IS NOT CURRENTLY SERCVED
BY CITY WATER. THE CONTRACTOR SHALL INSTALL A SERVICE TO THE PROPERTY LINE AS
CLOSE AS POSSIBLE TO THE EXISTING WELL. HOUSE LEAD TO LOCAL WATER SYSTEM. HDSE
BIB AT FRONT OF HOUSE. OR AS DIRETED BY THE ENGINEER.
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13. THE CONTRACTOR SHALL TAKE PRECAUTIONS NOT TO DISTURB EXISTING PROPERTY
CORNERS. IF THE WORK REQUIRES THE REMOVAL AND RESET OF PROPERTY ]RONS. THIS
WORK SHALL BE DONE BY A REGISTEREO LAND SURVEYOR.
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D. FOR SEWER SERVICE ]NSTALLATION WHERE PROPERTY OWNER IS NOT CURRENTLY SERCVED
BY CITY SEWER. THE CONTRACTOR SHALL INSTALL A SERVICE TO THE PROPERTY LINE AS
CLOSE AS POSSIBLE TO THE EXISTING SEPTIC TANK. DRAIN LINE FEDM HOUSE. OR AS
DIRETED BY THE ENGINEER.
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14. THE CONTRACTOR SHALL GRADE. SHAPE AND SEED THE RIGHT-Of-WAY AFTER
CONSTRUCTION OPERATIONS ARE COMPLETED IN A PROPER MANNER TO AVOID PONDING Of
WATER. THE CONTRACTOR SHALL RESEED AND MULCH ALL DISTURBED AREAS OUTSIDE Of
PAVEMENT. SEEDING AND MULCHING SHALL BE DONEE WITHIN 30 DAYS OF COMPLETION OF
BACKFILL.
C. CROSSING Of A WATER MAIN UNDER A SANITARY SEWER MAIN:
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1) WHENEVER IT IS NECESSARY FOR A WATER MAIN TO BE BOREO UNDER A SAN]TARY SEWER
MAIN OR A SANITARY SEWER MAIN TO CROSS OVER A WATER MAIN. BOTH THE WATER MAIN
AND THE SANITARY SEWER MAIN SHALL BE CONSTRUCTED Of FERROUS MATER]ALS WITH
JOINTS EQUIVALENT TO WATER MAIN STANDARDS. THE JOINTS SHALL BE LOCATED A
DISTANCE OF TEN fEET (10 ) ON EACH SIDE OF THE POINT Of CROSSING.
15. SCARRED TREES SHALL HAVE THE SCARS TRIMMED AND ASPHALT PAINTED.
A. FOR WELL TO POORLY DRAINED SOILS WITH GOOD MOISTURE RETENTION:
16. WHERE BENCHING OF SEWER TRENCH IS REQUIRED. CONTRACTOR SHALL CONSTRUCT A
BERM AT THE TOP Df THE SLOPE.
SEEDING MIXTURE
SPECIES
RATE LB/ACRE
........
32. DEACTIVATE AND DISCONNECT EXISTING WATER MAINS:
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17. USE ANO STORAGE Of EXPLOSIVES ON WORK SHALL CONFORM TO STATE. FEDERAL AND
LDCAL LAWS AND REGULATIONS.
TALL FESCUE (KY 31)
BERMUDA
CENTlPED
50
25
5
18. THE CONTRACTOR SHALL PLUG OPEN END OF PIPE(S) AT END OF DAY.
A. THE CDNTRACTOR SHALL DEACTIVATE AND DISCONNECT FROM THE CITY WATER
DISTR]BUTION SYSTEM ALL EXISTING WATER MAINS BEING REPLACED WITH NEW WATER
MA]NS. THE DEACTIVATION. DISCONNECTION. REMOVAL AND DISPOSAL Of THE OLD WATER
P]PING AND THE INSTALLATION. TESTING AND PLACING INTO OPERATION Of THE NEW WATER
PIPING TOGETHER WITH ALL NECESSARY FITTINGS. PLUGS. VALVES. ETC.. REQUIRED TO
COMPLETE THE ]NSTALLATION. SHALL BE fURNISHED AND INSTALLED COMPLETE. THIS COST
Of TH]S WORK SHALL BE INCLUDED IN THE UNIT PRICE BID FOR PIPE. INCLUDED IN THE
UN]T PRICE OF THE NEW PIPE SHALL BE THE REMOVAL AND DISPOSAL OF VALVE BOXES ON
THE ABANDDNDED PIPE.
2. SEEDED AREAS SHALL BE CULTIPACKED TO FORM SEEDBED AND CDVER AREAS.
DATE:MAR 24. 2008
DESIGNED BY: TAD
TECHNICIAN: RCB
CHECKED BY:TAD.JR
19. THE COST Of CONCRETE COLLARS AND PLUGS SHALL BE INCLUDED IN UNIT PRICE OF
PIPE UNLESS OTHERWISE NOTED IN PROPOSAL.
B. SEEDING NOTES:
1. FROM SEPTEMBER 1 THRU fEBURARY 28: INCREASE RATE OF BERMUDA GRASS (HULLED)TO
20. THE COST Of ADAPTORS. TRANSITIONS. PIPE JO]NT LOCKING DEVICES. REQUIRED FOR
CONNECTIONS AND OR TRANSITIONS OF P.V.C.. C.I.P. AND D.I.P. SHALL BE INCLUDED IN
UNIT PRICE Of PIPE.
21. AT ALL LOCATIONS WHERE A PIPE MUST BE INSTALLED INSIDE A DITCH OR AT A CREEK
CRDSSING TO ALLOW CONTRACTOR ACCESS. THE PIPE SO INSTALLED SHALL BE LEfT IN
PLACE. PIPE SHALL BE EIGHT INCHES (8 ) IN DIAMETER OR LARGER UNLESS OTHERWISE
DETERMINED BY THE ENGINEER. THE COST FOR INSTALLING THIS PIPE SHALL BE INCLUDED
IN THE UNIT PRICE BID PER LINEAR fOOT Of WATER OR SEWER PIPE.
C. SOIL AMENDMENTS:
B. WATER MAINS TD BE ABANDONED BY BEING D]SCONNECTED fROM THE CITY DISTRIBUTION
SYSTEM ARE SHOWN ON THE DRAWINGS FOR CONTRACTORS CONVENIENCE ONLY. THE
CDNTRACTOR SHALL fIELD VERIFY THE EXACT SIZE. TYPE. AND LOCATION OF WATER MAINS
PROPOSED TO BE ABANDONED. THE WATER MAINS SHOWN ON THE DRAWINGS TO BE ABANDONED
ARE SHOWN BASED UPON THE BEST INFORMATION THE CITY HAS WITH RESPECT TO THE WATER
MAIN SIZE. LOCATION AND TYPE MATERIAL.
1. APPLY LIME AND fERTILIZER ACCORD]NG TO SOIL TESTS. GENERALLY APPLY 3.000 TO
5.000 LB/ACRE GROUND AGRICUL-TRUAL LIMESTONE AND 500 LB/ACRE OF 10-20-20
FERTIL]ZER. USE THE LOWER RATE ON SANDY SOILS
D. MULCH:
REVISIONS
22. WHERE A CUT-IN MANHOLE (DOGHOUSE) IS SHOWN ON THE DRAWINGS OR REQUIRED BY
THE ENGINEER. THE MANHOLE SHALL BE ]NSTALLED OVER THE EXISTING PIPE. THE
EXISTING PIPE SHALL BE PROPERLY GROUTED AT ENTRANCE AND EXIT POINTS OF THE
MANHOLE. BENCHES SHALL BE BUILT-UP TO 80% Of THE DIAMETER Of THE PIPE AND THE
TOP OF THE PIPE ABOVE THE BENCH BROKEN-OUT TO ALLOW ACCESS TO PIPE INTERIOR.
33. TIE-IN Of NEW WATER MAINS TO EXISTING WATER MAINS:
1. APPLY 4.000 LB/ACRE GRAIN STRAW QR EQUIVALENT COVER OF ANOTHER SUITABLE
MULCH. ANCHOR STRAW BY TACKING WITH LIQUID ASPHALT DR ANCHOR BY NETTING.
ROVING. OR CRIMPING WITH A MULCH ANCHORING TOOL. HYDRAULIC TACKING MATERIALS
SHALL BE USED IN HIGH QUALITY WATER (HQW) ZONES. OUTSTANDDING RESSOURCE WATERS
(GRW). AND CRITICAL HABITAT. A DISC HARROW WITH BLADES SET NEARLY STRAIGHT
(VERTICAL) CAN BE USED AS A MULCH ANCHDR.
NO. DATE
A. NEW WATER MAINS SHALL BE CONNECTED TO EX]STING WATER MAINS IN THE MANNER AND
AT THE LOCATION SHDWN ON THE DRAWINGS OR DIRECTED BY THE ENGINEER. EXIST]NG
WATER MA]NS WHICH ARE TO BE ABANDONED ARE ALSO SHOWN ON THE DRAWINGS FOR
REfERENCE AND CONVENIENCE ONLY. WATER MAINS TO BE CONNECTED ARE SHOWN ON THE
DRAWINGS FOR CONTRACTORS CONVENIENCE ONLY. EXISTING WATER MAINS ARE SHOWN BASED
UPON THE BEST INfORMATION AVAILABLE TO THE CITY WITH RESPECT TO THE SIZE.
LOCATION. AND TYPE OF MATERIAL. THE CONTRACTOR SHALL VERIfY THIS INFORMATION
PRIOR TO O~Nll'Grw&T~I'E. fITTINGS. VALVES. COUPLINGS. HC.. TO MAKE THE
TIE-IN.
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23. THE CONTRACTOR SHALL INSTALL ALL UTILITY PIPING ON PAVED ROADS A MIN]MUM OF
fIVE fEET (5 ) OUTSIDE Of THE EDGE OF THE EXIST]NG PAVEMENT UNLEESS NOTED
OTHERWISE ON THE DRAWINGS. WATER MAINS AND fORCE MAINS SHALL BE COSNTRUCTED
WITH A MINIMUM OF THREE fEET (3 ) Of COVER.
Eo MA 1 NTENANCE :
1. IF GROWTH IS LESS THAN fULLY ADEQUATE. REfERTILIZE IN THE SECOND YEAR
ACCORDING TO SOIL TESTS. OR TOPDRESS WITH 250 LB/ACRE 1-20-20 FERTILIZER.
RESEED. FERTILIZE. AND MULCH DAMAGED AREAS IMMEDIATELY.
24. CONTRACT DRAW]NGS MAY NOT SHOW ALL DRIVEWAYS. WHEN THE DRAWINGS DO SHOW THE
INSTALLATION Of SANITARY SEWER PIPING. STORM DRAINAGE PIP]NG AND OR WATER MAINS
CROSSING PAVED DRIVEWAYS. THE ENGINEER SHALL MAKE A DETERMINATION AS TO THE
PRACTICALITY OF INSTALL]NG THE PIPE LINE BY BORING UNDER THE DRIVEWAY. IN LIEU
OF BORING UNDER THE DRIVEWAY(S). THE ENGINEER MAY DIRECT THE CONTRACTOR TO
OPEN-CUT THE TRENCH BY SAWING. BREAKING. REMOVING AND DISPOSING OF EXVATATED
PAVING MATERIALS. IMMEDIATELY AfTER THE INSTALLATION OF THE PIPELINE. THE
CONTRACTOR SHALL BACKFILL AND COMPACT THE TRENCH AND REPLACE THE CONCRETE OR
150'
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PROJ. NO. DIV.
1890 A
DRAWING NO.
189001003
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1. ALL DRAWING SCALES ARE AS NOTED ON EACH IND]VIDUAL DRAWING EXCEPT WHERE
NOTED OTHERWISE.
50' 100'
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50'
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COPYRiGHT 0 2008 - All RIGHTS RESERVED - TROY DOSY AND ASSOCIATES. INC.
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PROPERTY OF
D. WHITLEY. JR. ET-ALS
DB. 818 PG. 598
NOTE:
36# STEEL ENCASEMENT TO
INSTALLED BY DRY BORE AND JACK
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PROPERTY OF
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PROPERTY OF
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DB. 2162 PG. 770 ~
NOTES:
A. ALL WETLANDS IDENTIFIED AS NWI WERE FIELD VERIFIED..........
BY THE CITY ENGINEERS AND SURVEYORS AND ANY DIFFERENCE
(ADDITION) TO THE NWI BOUNDARIES HAS BEEN DELINEATED
THE PLANS.
B. ALL WETLAND AREAS WITHIN CONSTRUCTION AREA ARE TO BE
RESTORED TO ORIGINAL GRADE. CONTRACTOR TO PROVIDE
PRE AND POST SURVEY DATA ALONG ALIGNMENT TO ENGINEER TO
VERIFY COMPLIANCE.
C. EVERY EFFORT WILL BE MADE TO REDUCE AND MINIMIZE CLEARING
AND DISTURBANCE TO WETLANDS ALONG THE ALIGNMENT
WITHIN THE PERMANENT AND TEMPORARY CONSTRUCTION EASEMENTS.
D. DELINIATED WETLANDS WERE FIELD VERIFIED AND APPROVED BY
USACE AS PART OF THE HODGE MORRIS LLC DEVELOPMENT.
REVISION NO. 1 ADDED WETLANDS IMPACT AREA # 1
REVISION NO. 2 ADDED MAINTENANCE CORRIDOR DETAIL
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DATE:DEC. 2008
DESIGNED BY: TAD
TECHNICIAN: RCB
CHECKED BY:TAD.JR
REVISIONS
NO.
1
2
DATE
7/11/09
7/11/09
SCALES
HORIZ.: 1 II = 50'
VERT. : 1 II = 10'
DIV.
A
PROJ. NO.
1890
DRAWING NO.
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REVISIONS
NO.
1
2
3
DATE
7/11 /09
7/11/09
7/11/09
SCALES
HORIZ.: 1" 50'
VERT.: 1" 10'
PROJ. NO. DIV.
1890 A
DRAWING NO.
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REVISIONS
90
NO.
1
DATE
7/10/09
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DATE:DEC. 2008
DESIGNED BY: TAD
TECHNICIAN: RCB
CHECKED BY:TAD,JR
REVISIONS
NO. DATE
SCALES
AS SHOWN
PROJ. NO. DIV.
1890 A
DRAWING NO.
130301DT3
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PROJECT DESCRIPTION
The purpose of this project Is to construct an 18" sewer outfall for The City of Rocky Mount, NC
The project is owned by The City of Rocky Mount,
The construction corridor Is 8,243 feet in length by 40' wide.
Approximately 7.6 acres will be disturbed during construction. The trench will be backfilled to existing ground.
The project is scheduled to begin construction In Summer 2009 with project completion and final
stabilization by Summer 2010. The erosion and sediment control program for this project will include
the installation of suitable construction entrances, silt fencing, outlet protection, inlet protection, rock
check dams, temporary sediment traps with seeding of the site.
ADJACENT PROPERTY
See Drawings 189001SE5 through 189001SE8 for adjacent property owners.
SOILS
The soil along this corridor is sand loam.
EROSION AND SEDIMENT CONTROL MEASURES
All vegetative and structural erosion and sediment control practices shall be constructed and
maintened by the contractor according to these plans and specifications and the minimum
standards of the NC Dept. of Environmental Management, Land Quality Section and the City of
Rocky Mount, The contractor shall also follow any additional requirements as outlined by the
Project Engineer,
Structural Practices
1. Vehicle wheels shall be clean when leaving the site to prevent the tracking of mud on paved
roads.
2. Construction Road Stabilization: Construction traffic shall be limited to stabilized areas, At a
minimum. a temporary gravel construction entrance shall be provided as shown on on these
drawings.
3. Silt Fence: Silt fences shall be provided where shown and as needed on the site plan. These
barriers shall be used to contain sediment and prevent storm runoff to the construction area.
4. Rip Rap/Gravel Filter Sediment Traps: Construct traps to the shape and dimensions shown in
the details. The trap is to be placed below surface flow line by 2' with the berm buill
above as dimensioned.
SEDIMENTATION & EROSION CONTROL NOTES:
EXTENSION OF FABRIC AND
WIRE INTO TRENCH
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DETAIL
SILT
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1. IN ADDITION TO ALL OTHER SEDIMENTATION AND EROSION CONTROL MEASURES SPECIFIED
THE CONTRACTOR SHALL COMPLY WITH ANY ADDITIONAL MEASURES DEEMED NECESSARY BY
THE INSPECTOR PRIOR TO AND/OR DURING THE COURSE OF CONSTRUCTION.
2. EROSION CONTROL MEASURES AS INDICATED ON PLANS OR IN THE SPECIFICATIONS SHALL
BE INSTALLED PRIOR TO DISTURBING ANY SOIL. CONTRACTOR SHALL MAINTAIN ALL
SEDIMENT CONTROL DEVICES AND SHALL REMOVE SEDIMENT FROM FENCES AS REQUIRED BY
THE INSPECTOR. ANY COLLECTED SEDIMENT LEFT AT THE END OF THE JOB SHALL BE
REMOVED.
3. CONTRACTOR SHALL SEED & MULCH WITHIN 30 DAYS OF INITIAL DISTURBANCE AND IN NO
CASE SHALL OVER 500 FEET BE LEFT UNSEEDED AND UNMULCHED AT ANY ONE TIME.
4. SEDIMENT FENCES SHALL BE REMOVED FROM THE SITE WHEN GRASSING IS ACCEPTED AND
STABILIZATION IS COMPLETE.
5. ANY EXCAVATED MATERIAL WHICH IS NOT USED FOR FILL SHALL BE REMOVED FROM THE
SITE UNLESS OTHERWISE DIRECTED BY THE OWNER OR ENGINEER.
6. CONTRACTOR SHALL MAINTAIN ALL STREETSIDE DRAINAGE SWALES AND DITCHES. ALL
DISTURBED VEGETATION IN LAWNS SHALL BE REPLACED IN KIND AND ALL DITCHES AND
DRAINAGE STRUCTURES MAINTAINED FREE FROM SEDIMENT.
7. WHEN A LINE IS TO BE INSTALLED ALONG A SHOULDER WITH A SLOPE FROM THE ROAD.
DIRT (FILL) REMOVED FROM THE CUT SHALL BE STOCKPILED ON THE PAVEMENT SIDE
OF THE CUT. THE CONTRACTOR SHALL REMOVE ALL WASTE MATERIAL FROM THE SITE PER
THE JOB SPECIFICATIONS.
8. WHEN INSTALLING RIP RAP ON DISTURBED STREAM BANKS. CONTRACTOR SHALL PLAN WORK
IN SUCH MANNER THAT STOCKPILES OF EARTH ARE NOT SUBJECT TO WASHING INTO
STREAM OR DRAINAGE AREA.
9. CONSTRACTOR SHALL INSTALL SILT FENCES OR OTHER SEDIMENT COLLECTION STRUCTURES
IN STREETS IDE DITCHES WHEN SO DIRECTED BY THE ENGINEERS. EVEN THOUGH NOT
SHOWN ON THE CONTRACT DRAWINGS. WHEN. IN THE OPINION OF THE ENGINEERS.
SUFFICIENT CARE IS NOT BEING TAKEN BY THE CONTRACTOR TO PREVENT ENTRANCE
OF SEDIMENT INTO DITCHES. SAID STRUCTURES SHALL BE INSTALLED AT THE
CONTRACTOR'S EXPENSE. AT NO ADDITIONAL COST TO THE OWNER.
10. ALL COSTS ASSOCIATED WITH INSTALLATION. MAINTENANCE AND REMOVAL OF
TEMPORARY STREAM CROSSINGS AND STRUCTURAL STREAM BOTTOM STABILIZATION
SHALL BE INCLUDED IN PRICE OF PIPE. RIP RAP SHALL BE PAID BASED ON
UNIT PRICE IN PROPOSAL.
11. WHERE SEWERS ARE TO BE INSTALLED IN THE CENTERS OF EXISTING ROADWAYS,
ALL TRENCHES SHALL BE FILLED AT THE CLOSE OF EACH WORK DAY AND WHEN RAIN
IS IMMINENT. AT NO TIME SHALL TRENCHES BE LEFT OPEN OVERNIGHT. OVER
WEEKENDS. OR DURING INCLEMENT WEATHER. OPEN END OF PIPE SHALL BE PLUGGED
BEFORE CLOSING TRENCH.
12. ALL RIP-RAP LINED CHANNELS SHALL BE LINED WITH AMOCO 4551 FILTER FABRIC
OR AN APPROVED EQUAL PRIOR TO PLACEMENT OF THE RIP-RAP.
13. THE CONTRACTOR SHALL UTILIZE SILT BAGS WHERE NECESSARY FOR THE DEWATERING
OF TRENCHES DURING CONSTRUCTION.
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1. CONSTRUCT THE SEGMENT BARRIER OF STANDARD STRENGTH OR
EXTRA STRENGTH SYNTHETIC FILTER FABRICS.
2. ENSURE THAT THE HEIGHT OF THE SEGMENT FENCE DOES NOT
EXCEED 18" ABOVE THE GROUND SURFACE.
3. INSTALL THE FILTER FABRIC FROM A CONTINUOUS ROLL CUT TO THE
LENGTH OF THE BARRIER TO A VOID JOINTS. WHEN JOINTS ARE
NECESSARY, SECURELY FASTEN THE FILTER CLOTH ONLY AT A
SUPPORT POST WITH OVERLAP TO THE NEXT POST,
4. SUPPORT STANDARD STRENGTH FILTER FABRIC BY WIRE MESH
FASTENED SECURELY TO THE UPSLOPE SIDE OF THE POSTS USING
HEAVY DUTY WIRE STAPLES AT LEAST I" LONG, OR TIE WIRES.
EXTEND THE WIRE MESH SUPPORT TO THE BOTTOM OF THE TRENCH.
5. WHEN A WIRE MESH SUPPORT FENCE IS USED, SPACE POSTS A
MAXIMUM OF 10' APART. SUPPORT POSTS SHOULD BE DRIVEN
SECURELY IN TO THE GROUND TO A MAXIMUM OF 24",
6. EXTRA STRENGTH FILTER FABRIC WITH 6' POST SPACING DOES NOT
REQUIRE WIRE MESH SUPPORT FENCE. STAPLE OR WIRE THE FILTER
FABRIC DIRECTLY TO THE POSTS.
7. EXCAVATE A TRENCH APPROXIMATELY 4" WIDE AND 8" DEEP ALONG
THE PROPOSED LINE OF POSTS AND UPSLOPE FROM THE BARRIER.
8. BACKFILL THE TRENCH WITH COMPACTED SOIL OR GRAVEL PLACED
OVER THE FILTER FABRIC.
9. DO NOT ATTACHED THE FILTER FABRIC TO EXISTING TREES.
10, LOCATION OF TEMPORARY SEDIMENT FENCE SHOWN ON THE PLANS
IS NOT EXACT, CONTRACTOR SHALL FIELD LOCATE TEMP. SEDIMENT FENCE
AS CLOSE TO THE DOWNSLOPE EDGE OF THE LIMITS OF CLEARING &
GRUBBING AS SPACE ALLOWS,
Vegetative Practices
Temporary Seeding: All denuded area or areas to be graded within 15 calendar days shall receive temporary
seeding within 15 days of completing initial earthwork. Temporary seeding shall also be used to
stabilize finished grade areas if the time of year is outside the specified permanent seeding periods.
Temporary seeding shall be in accordance with temporary seeding specifications,
Management Strategies
1. Perimeter measures are to be installed prior to grubbing or grading.
2. Tail ditches shall be stabilized immediately following their construction. As an alternate,
rock check dams may be provided at their outlets and/or the terminal downstraam end of
disturbance until ground cover is implemented.
3. Stockpile and/or waste areas must be maintained within the limits of the areas protected by the
proposed measures and otherwise temporarily seeded if to be left stOCkpiled over 15 calendar days.
4. Construction shall be planned so that grading operations can begin and end as quickly as
possible.
5. Sill Fences shall also be installed prior to or as a first step in construction,
6, The contractor shall be responsible for the installation and maintenance of all erosion and
sediment control practices,
Vegetative Ground Cover
Immediately following grading, all areas shall receive either permanent or temporary seeding. as
applicable, as follows:
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Permanent Seed: K-31 Fescue
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Temporary Seed: Winter Rye
@ 50#/Ac
Fertilizer: 10-10-10 @ 25#/1000 SF
Lime: 100#/1000 SF
June-Sept Oct-Jim
K-31 Fescue K-31 Fescue
@ 5#.1000 SF @ 5#/1000 SF
German Millet Winter Rye
@ 40#/Ac @50#/Ac
Mulch: Straw @ 90#/1000 SF
Tack: 200 gallons/Ac on all mulching
Maintenance
1. Reseed and mulch bare spots larger than 9 square feet (limited to to 5% maximum of site area.)
2. Maintain all seeded areas until uniform stand Is acceptable.
3. If growth is not established by final project inspection, continue specified attention until the
stand is acceptable.
4. Correct and repair all undue settling and erosion within 1 year after final inspection.
5. Remove from the site, all erosion control structures after complete stabilization at end of
construction period,
6. Remove silt from sediment pits and from behind check dams when silt is within half depth of
the pit or spillway. Dispose of in an area where silt cannot re-enter pit / trap.
Calculations
The practice utilized for the proposed site did require formal calculations. Calculations have been
provided.
OWNER
The City of Rocky Mount, North Carolina
331 S, Franklin St, · PO Box 1180
Rocky Mount, NC 27802-1180
Telephone: 252.972.1111 Email: webmaster@rockymountnc.gov
PUMP-AROUND
PRACTICE
PLAN VIEW
DEVICE
r STREAM
DIVERSION PUMPS
ill
Erosion Control Construction Sequence
1. Obtain erosion control approval prior to beginning land disturbance. Retain a copy of the approved erosion
control plan and permit on site. Call LQS . 919-791-4200md the City of Rocky Mount @ 252-972-1121 to
notify the RESPECTIVE PARTIES of a start date prior to land disturbance.
2. Clear the area needed to construct the proposed construction entrance.
3. Construct the construction entrance as shown on the plans. Maintain the construction entrance daily to ensure
that MUD AND SILT WILL NOT BE TRACKED ONTO THE PAVED SURFACE. IF MUD IS TRACKED ONTO THE ROAD SURFACE.
IT IS TO BE REMOVED IMMEDIATELY.
4. Construction entrance location may not vary without prior approval from Engineer and City of Rocky Mount.
5. Clear the area needed to access and construct sediment traps 1-4 along the project area.
6. Construct sediment traps 1-4 along the project.
7. Clear the area needed to construct the perimeter erosion control measures inclUding temporary diversion ditches,
silt fence, and rock check dams. Rock check dams downstream of pipes and ditches shall remain in-place until
permanent measures are stabilized.
8. Construct the temporary diversion and slit fence. Tie temporary diversions Into sediment traps where applicable
diversions & traps shall be seeded, mulched, & anchored upon installation.
9. Contact City Inspector prior to large-scale site grading,
10, Begin clearing, grubbing, and topsoil stripping for roadway rights-of-way.
11. All 8!.reamlll and ditches with Oowll18 _t.er mulill be pumped Ground.
12. Construct Interceptor Sewer Outfall throuhout the project.
13, Seed, straw and tack areas behind pipe installation backfill that are graded to their tInal disposition.
14. Upon stabilization of seeded areas. remove temporary diversion ditches and temporary sediment traps.
15, Upon complellon of the project, remove sill fence and rock check dams.
16, Seed, straw and tack any remaining exposed areas,
Maintenance Notes:
1. Do not let any area remained exposed for more than 15 calendar days without applying temporary seeding.
2. Maintain all erosion control measures daily and reseed disturbed areas as needed.
3. Inspect all erosion control measures weekly and after each rainfall event. Repair as needed,
4. At the end of each days trenching operallon, construct temporary erosion control measures until the
next day's operation continues,
;r- DISCHARGE HOSES ~ ~
DEWATERING PUMP
./" INTAKE
)I HOSE
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DATE: DEC. 2008
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TECHNICIAN: RCB
CHECKED BY: TADJR
FLOW
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WORK AREA
LENGTH NOT TO EXCEED
THAT WHICH CAN BE
COMPLETED IN ONE DAY
REVISIONS
PUMPS SHOULD DISCHARGE
ONTO A STABLE VELOCITY
DISSIPATOR MADE OF RIP RAP
OR SANDBAGS
NO. DATE
ill 5/29/09
LEGEND
SECTION A-A
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JUTE MATTING
SILT FENCE
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TEMPORARY SEDIMENT TRAP
~VIOUS
SHEETING
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STONE CHECK DAM
OUTLET STABILIZATION
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SCALES
AS NOTED
PROJ. NO. DIV.
1890 A-1
SHEET NO.
SE1
DRAWING NO.
130301SE1
TEMPORARY DIVERSION DITCH
C~0
BASE FLOW · 1 FOOT
(2 FOOT MINIMUM)
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RIP-RAP 5 SQ. YDS. CLASS B MORE OR
LESS AS REQUIRED BY ENGINEER
SILT BAG
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STRUCTURAL STREAM BANK STABILIZATION.
TEMPORARY STREAM CROSSING
WORK
TEMPORARY GRAVEL CONSTRUCTION
ENTRANCE/EXIT
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CROSS SECTION OF SANDBAG DIKE
COPYRIGHT" 2008 - ALL RIGHTS RESERVED - TROY DOBY AND ASSOCIATES. INC.
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TEMPORARY
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SEDIMENT TRAP
DIMENSIONS
BOTTOM DIMENSIONS
WIDTH DEPTH LENGTH
(FT.) (FT.) (FT.)
1R 4 52
18 4 52
18 4 40
18 4 46
18 4 91
18 4 35
WEIR LENGTH
(FT. )
6
6
6
6
10
6
TRAP NO.
1
2
3
4
5
6
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Z Erosion Control Notes:
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1. Approvol of this plan permits only those cleoring ond grading octivities listed within this pion. This plan does
not permit the construction of any impervious surfoce or structure,
2. Approval of this plan constitutes opprovol from the City of Rocky Mount only, Additional approvols (such as
401/404 wetlands, etc.} must be required prior to authorization to begin clearing ond grading. Copies of 011
~ additional opprovals must be provided to the Deportment of Engineering upon receipt.
w 3. A capy of the approved erosion control pion must be kept on site at 011 times. The approved Sedimentation
a & Erosion Control Plan should be regarded os minimum requirements; additional measures sholl be put in place
os needed to insure that no sediment is released from the site.
is 4, Erosion control measures sholl be constructed prior to any Clearing or grading activities beyond that necessary
o to install such measures, Approval of constructed erosion control measures sholl be obtained in writing in
tD Engineering Deportment Staff prior to site clearing and grading.
=: 5, Capies of 011 permits and approved plans sholl be kept on site in 0 permit box that is conspicUOUSly located
w and eosay accessible during construction.. This includes approved construction plans, approved erosion control
plans, encroachment agreements, driveway permits, water/sewer permits, etc,
6. City of Rocky Mount Engineering Deportment Personnel must be granted access upon reasonable request to any
and 011 areas of the subject site for the inspection of sedimentation and ero$ion control adequacy,
7. If additional erosion and sedimentation controls ore required to prevent offsite sedimentotion, these plans must
be modified and and submitted to the Deportment of Engineering within five (5} business days for approval and
additions to their records.
8. This site lies in Flood Zones AE and X per FEMA FIRM ffs 3720386100J and 3720385200J doted November 11, 2004
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______________________3JA'-U...PJ:B.Jl AWJ1'lIlS-._ GROUND
SURFACE
TRENCH
DEPTH
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LCOMPACTED
BACKF ILL --;
90% ~ 12" ~
'::;:: "112" MIN.
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UNDISTURBED ~
-.s- SOIL ~
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L-COMPACTED
BACKFILL ~
90% 1---12' MIN4
STONE -
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UNDiSTURBED '"
-.s- SOiL ~ "'--ANTi-SEEPAGE COLLAR
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1.
ANTI-SEEPAGE COLLARS SHALL BE INSTALLED AT APPROXIMATE 150 FT. iNTERVALS
AS SHOWN ON THE PLANS AND AS REOUIRED BY THE ENGINEER THROUGH WETLANDS.
>
2.
ANTI-SEEPAGE COLLARS SHALL BE CONSTRUCTED OF A PRIMARILY CLAY MATERIAL
(PLASTICITY INDEX AND LIOUID LIMIT PLOTTING ABOVE "A-LINE" ON USCS PLASTICiTY
CHART) WITH A MINIMUM OF 100% BY WEIGHT PASSING THE 1/2" SIEVE AND A MINIMUM OF
50% BY WEIGHT PASSING THE NO. 200 SIEVE.
3.
ANTi-SEEPAGE COLLAR MATERIAL SHALL BE COMPACTED TO A MINIMUM OF 95% OF THE
STANDARD PROCTOR MAXIMUM DRY DENSiTY AT A MOISTURE CONTENT NO LESS THAN 2% DRY
OF THE OPTiMUM COMPACTION MOISTURE CONTENT.
4.
ANTI-SEEPAGE COLLARS SHALL EXTEND TO THE BASE OF THE EXCAVATiON. THE FULL WiDTH
OF THE EXCAVATION. A MINIMUM OF 16" INCHES ABOVE THE CROWN OF THE SEWER. AND A
MINIMUM OF 12' ALONG THE LENGTH OF THE SEWER.
5.
GENERAL BACKFILL MATERIAL AT ALL LOCATIONS ABOVE THE PIPE AND COLLARS SHALL BE
COMPACTED TO A MINIMUM OF 90% OF THE STANDARD PROCTOR MAXIMUM DRY DENSITY.
DENSTY TESTS WILL BE PERFORMED EVERY 400 LINEAR FEET ALONG SEWER ROUTE BY
CONTRACTOR. RECOMPACTION TO ATTAiN THE NECESSARY DEGREE OF COMPACTION SHALL BE
PERFORMED BY CONTRACTOR. AT HIS EXPENSE. IF COMPACTiON FAILS TESTS.
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CONSTRUCTION SHALL BE MONITERED BY OWNER. COLLARS SHALL BE TESTED FOR DENSITY.
GRAIN SiZE DISTRIBUTION. AND PLASTICITY INDEX BY CONTRACTOR. ANY COLLARS FAlLiNG
TO MEET THE REOUIRED SPECIFICATIONS SHALL BE REMOVED AND REBUILT AT THE
CONTRACTOR'S EXPENSE.
ANTI-SEEPAGE COLLAR DETAIL
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COPYRIGHT e 200S. - ALL RIGHTS RESERVED - TRoY POSY AND ASSOCIATES. INC.
GENERAl. NOTES
TEMP. DIVERSION
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SEE "EJ. CROSS-
stCTlllN. SHEET 2
~CJJMPACTED
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D1STU~~~~. AREA
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1
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NOTE' THIS KSKH IS fOR MAl(JMlftlt DlSTI.RlI[D AKAS or
rM a> AOltS 0It MAXltOI lOTAl JlJl'A)tWi[ NltA
fMVl" Qr 30 CFS fASt, P' A 10 ttM: STIJRM
[Vpft. FOR LARGER. OtSltmNCtS DR DlAlIfAQt
MtAS. USE lDFDRMY SEDIMENT NUIS Dt RIDe
DAMS tR REDUCE I;fWtUIG[ _A '" USING ~lWL[
$f:OJMPIT lRAP$.
MIN. WEIR _LENGTH
(<1,
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6.0
8,0
10.0
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TEMPORARY SEDIMENT TRAP (SHEET
CITY OF ROCKY MOUNT
DEPT. OF ENGINEERING
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1 OF 2)
3.1
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CAR2T RIP RAP IF -..
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ST4HDARD OCTAIL
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IS' NlN.
SECIDN THROUGH BASIN AND
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PERSPECTIVE VIE'"
TEMPORARY SEDIMENT TRAP (SHEET 2 OF 2)
CITY OF ROCKY MOUNT
DEPT. OF ENGINEERING
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TEMPORARY GRAVEL CONSTRUCTION ENTRANCE/EXIT
(TIRE SCRUBBER)
1. CONTRACTOR SHALL CONSTRUCT TIRE SCRUBBER AT ENTRANCE OF EACH
CONSTRUCTION ROAD ENTRANCE TO STATE ROAD. NCDOT #5
WASHED STONE SHALL BE USED. PAD SHALL BE 50 FEET LONG BY
20 FEET WIDE BY G INCHES DEEP MINIMUM.
2. PROVIDE TURNING RADIUS SUFFICIENT TO ACCOMODATE LARGE
(TANDUM) TRUCKS.
3. LOCATE ENTRANCES IN ORDER TO PROVIDE MAXIMUM UTIL1TY
BY ALL CONSTRUCTION VEHICLES.
4. CONTRACTOR SHALL MAINTAIN HTIRE SCRUBBERSH IN CONDITION
SUCH THAT TRUCKS ARE PREVENTED FROM TRACKING MUD ONTO STREETS
AND MUD IS PREVENTED FROM FLOWING DIRECTLY ONTO STREETS. TOPDRESS
HTIRE SCRUBBERS# PERIODICALLY AS NEEDED.
5. LOCA TE TEMPORARY #TI RE SCRUBBER# PADS ON BOTH S IDES OF CONS TRUCTI ON
ROADWAYS WHERE THEY CROSS STATE ROADS.
G. REMOVE TEMPORARY ENTRANCE/EXIT AFTER AREA HAS BEEN STABILIZED.
DESIGN CRITERIA
NOTES
THE ORAlNAGE AREA IS LIMITED TO ONE HALF ACRE.
KEEP A MAXIMUM HEIGHT OF 2 FEET AT THE CENTER OF THE DAM.
KEEP THE CENTER OF THE CHECK DAM AT LEAST 9 INCHES LOWER THAN THE OUTER
EDGES AT NATURAL GROUND ELEVATION.
KEEP THE SlOE SLOPES OF THE DAM AT 2'1 OR FLATTER
ENSURE THAT THE MAXIMUM SPAClfolG 6ETWEEN DAMS PLACES THE TOE OF THE
UPSTREAM DAM AT THE SAME ELEVATION AS THE TOP OF THE DOWNSTREAM DAM.
STABILIZE OUTFLOW AREAS ALONG THE CHI'\NNEL TO RESIST EROSION.
USE NCOOT CLASS B STOIIIE AND LINE THE UPSTREAM SIDE OF THE DAM WITH
NCOOT '5 OR '57 STONE.
KEY THE STONE INTO THE DITCH 8ANKS AND EXTEND IT BEYOND THE ABUTMENTS A
MINIMUM OF 1.5 FEET TO AVOIO WASHOUT FROM OVERFLOW AROUND THE DAM.
1. PLACE STONE TO THE LINE ANO DIMENSION SHOWN IN THE PLAN ON A FILTER FABRIC
FOUNDATION.
2. KEEP THE CENTER STONE SECTION AT LEAST 9 INCHES BELOW NATURAL GROUND LEVEL
WHERE THE DMI ABUTS THE CHANIllEL 8ANKS.
3. EXTEND STONE AT LEAST 1.5 FEET BEYOND THE OITCH BANK TO KEEP WATER FROM CUTTlfolG
AROUND THE ENDS OF THE CHECK DAM.
4, SET SPACING BETWEEN DAMS TO ASSURE THAT THE ELEVATION AT THE TOP OF THE LOWER
DAM IS THE SAME />S THE TOE ELEVATION OF THE UPPER DAM,
5. PROTECT THE CHANNEL AFTER THE LOWEST CHECK DAM FROM HEAVY FLOW THAl COULD
CAUSE EROSION.
6. MAKE SURE THAT THE CHANNEL REACH ABOVE THE MOST UPSTREAM IS STABLE.
7. ENSURE THAT OTHER AREAS OF THE CHANNEL. SUCH AS CULVERT ENTRANCES BELOW THE
CHECK DAMS. ARE NOT SUBJECT TO DAMAGE OR BLOCKAGE FROM DISPLACED STONES.
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9" MIN
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;MIN
12" OF NCDOT "5
OR *57 WASHED STONE
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FIL TER CLOTH
FIL TER ,\TH
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PLAN VIEW
CROSS-SECTION VIEW
CHECK DAM
L . THE DISTANCE SUCH THAT POINTS
A AND B ARE OF EQUAL ELEVATION
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1111~ 0%9",,'h'l.';,o,,""o A B
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PURPOSE: TO REDUCE EROSION IN A CHANNEL BY REDUCING
THE VELOCITY OF FLOW,
00 NOT USE CHECK DAM IN INTERMITTENT OR PERENNIAL STREAMS.
SEE DENR STANDARDS ~ SPECS.
FOR COMPLETE DESIGN CRITERIA 8< MAINTENANCE
@
4.5' TYPICAL
(W)
2' MIN.
PUMP-AROUND PRACTICE
DESCRIPTION:
The work should consist of installing a temporary pump around
and supporting measures to divert flow around in-stream construction sites.
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At0Y ~ 9" MIN. ,M. 'It /'/
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7>\ >\///F/ffff~l>t.5'TYPICAL ~0 ~
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COMPACTED SOIL
IMPLEMENTATION SEQUENCE:
Sediment control measures, pump-around practices. and associated channel and bank
construction should be completed In the following sequence (refer to Detail 2/SEt}:
t Construction should not begin until all sediment and erosion con!.rol measures
have been installed and approved by the engineer and the sediment control inspector,
The con!.ractor should stay within the llmlts of the dlllturbance as shown on the plans
and minimize disturbence within the work area whenever possible,
2 Upon installation of all sediment control measures and approval by the sediment
control inspector and the local environmental protection and resource management
Inspection and enforcement division. the contractor should begin work at the upstream
section and proceed downstream beginning with the establishment of stabilized construction
entrances. In some cases. work may begin downstream if appropriate. The sequence of
construction must be followed unless the contractor gets written approval for deviations
from the engineer or local authority. Work should not be oonducted in the channel during
rain events.
TO
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TEMPORARY
DIVERSION
DITCH
1. THE SLOPE OF THE DITCH SHALL BE AS SHOWN ON THE PLANS..
3 Sandbag dikes should be situated at the upstream and downstream ends of the work
area as shown on the pians, and s!.ream flow should be pumped around the work area.
The pump should discharge onto a stable velocity dissipater made of riprap or sandbags.
4 Excavated topsoil and subsoil should be kept separata. placed on the upland side of
the excavation. and replaced In their natural order.
2. ALL CHANNELS SHALL HAVE STRAW WITH NET LINING.
3. THE COMPACTED SOIL RIDGE SHALL BE SEEDED IMMEDIATELY AFTER CONSTRUCTION.
UNLESS IT WILL REMAIN IN PLACE LESS THAN 30 WORKING DAYS.
5 All construction should teke place during stream low flows. The length of construction
time should be limited to a maximum of 5 consecutive days for each crossing.
6 Water from the work area should be pumped to a sediment filtering measure such as a
dewatering besin, sediment bag, or other approved source. The measure should be located
such that the water drains back into the channel below the downstream sandbag dike.
7 Traversing a channel reach with equipment within the work area where no work is proposed
should be avoided. If equipment has to traverse such a reach for access to another area,
then timber mats or similar measures should be used to minimize disturbance to the channel.
Temporary s!.ream crossings should be used only when necessary and only where noted on the
plans or specified.
8 All stream restoration measures should be Installed as indicated by the plans and all
banks graded In accordance with the grading plans and typical cross-sections. All grading
must be stabilized at the end of each day with seed and mulch or seed and matting as
specified on the plal1s.
9 Mter an area is completed and stabilized, the clean water dike should be removed.
Mter the first sediment flush, a new clean water dike should be established upstream
from the old sediment dike, Finally. upon establishment of a new sediment dike betow
the old one, the old sediment dike should be removed.
4. THE CONTRACTOR SHALL INSPECT THE DITCHES ONCE A WEEK AND AFTER
EVERY SIGNIFICANT RAINFALL AND SHALL REMOVE SEDIMENT FROM THE FLOW AREA
AND MAKE ANY REPAIRS NEEDED.
5. WHEN THE AREA PROTECTED IS PERMANENTLY STABILIZED. REMOVE
THE RIDGE AND FILL TN THE CHANNEL TO BLEND WITH THE NATURAL GROUND
LEVEL AND SEED IT.
G. DIMENSION AS SHOWN ON THE CONTRACT DRAWINGS OR SPECIFIED BY ENGINEER.
7. INCLUDE ALL DITCHWORK IN PRICE OF PIPE.
to The contractor is responsible for providing access 10 and maintaining all erosion
and sediment control devices unlll the sedtment control inspector approves their removal.
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DATE:JAN 2009
TECHNICIAN: ReB
CHECKED BY: TADJR
REVISIONS
NO. DATE
& 5/29/09
&, 6/:t'U09
SCALES
AS SHOWN
PROJ. NO. D1V.
1890 A-1
SHEET NO.
SE2
DRAWING NO.
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SEEDING
WORK INCLUDED:
A. The Contractor sholl provide 011 lobor, materials. tools. equipment. ond 011 else required for and to perform 011 work and services necessary for or incidental to seeding and mulching of the site of the work required by these Specifications
and/or shown on the Drawings.
B. All supplementary or misceUoneous items. appurtenances or services necessary for 0 complete job sholl be furnished os Q port of the Work. although such Work may not necessorily be shown or specified.
C. Preporation of soil to receive seed including. but not specificolfy limited to the following:
1. Fine grading
2. liming
3. fertilizing
D. Seeding of all disturbed areas and other areas shown on the Drawings or directed by Engineer.
E. Maintenance of seeded oreos until vegetation is established.
Delivery, Storoge, ond Hondling
A. Comply with pertinent requirements of Sei::tion 1620.
B. Deliver gross seed in original containers showing analysis of seed mixture. percentoge of pure seed. yeor of production. net weight. dote of pocko.ging. and vendor.
C. Defiver fertilizer in waterproof bogs showing weight, chemical analysis. and nome of manufacturer.
PRODUCTS
GROWING MEOlA:
A. Existing topsoil or select material sholl be approved by Engineer: Suitable topsoil or select moteriol shalt be naturol fertile agricultural solI capable of sustaining vigorous plant growth ond which is nct frozen or in 0 muddy condition. The
soil shall contain not tess thon six (6%) percent orgonic motter ond with 0 corrected pH value 015.9 to 7.0. Natural topsoil sholl be free from subsoil, slog. cloy, stones. lumps. live plants. roots. sticks. crabgross. COUghgfOss. noxious weeds and
foreign matter.
LIME:
A. Lime shall be dolomitic ogricultural grode ground limestone containing not less than ten (10%) percent ma9nesium oxide.
FERTiLIZER:
A Fertilizer used for grasses shalt be Q standard commercial product with a rotio of nitrogen to phosphorous to potassium of 1; 1: 1. such os 10-10-10 commercial ogricultural fertilizer. The fertilizer sholl contain not more than four hundred (400)
pounds per ton potential ocidity. For fertilizers with yields other thon 10-10-10. the poundoge per acre sholl be increased or decreased. os tne case may be. in order to deliver on equivalent yield.
B. For mixtures of grosses and legumes. the ratio sholf be }4:1: 1 such os 5-10-10 commercial ogricultural fertilizer.
SEED:
A. Seed sholl be certified seed or equivalent bosed on North Corolina Seed Improvement Association requirements for certificotion. All seed sholl be furnished in sealed standard containers.
B. Seed Mixture: The following seed mixture is recommended for low maintenance in overage. well to poorly drained soils in the area of construction. 11 special gross mixtures ore desired or if the use of sprigging or sodding teChniques ore to be
employed. special seeding mixtures ond schedules sholl be submitted to the Engineer for approval.
Species
RateOb/aCTe)
lOll fescue
Pensacola Bahia9foss
Sericeo lespedezo
Kobe lespedezQ
80
50
30
10
NURSE PLANTS:
A. Between April 15 and August 15, odd ten (10) pounds per ocre of German millet or fifteen (15) pounds per ocre of Sudangrass,
B. Between August 16 and April 14. Odd twenly-five (25) pounds per acre of rye (groin).
MULCH:
A. Mulcn sholl be dried groin straw supplied in bound bales.
TACK:
A. Tock sholl be emulsified ospholt Ihinned with water ond applied by pressure sproyer. Emulaified osphall aholl be rapid curing I~e only.
EXECUTION
SEEDBED PREPARATION:
A. During seedbed preparation the Contractor shall protect existing underground improvements from damage.
8. The ground surface sholl be cleared of stumps. stones. roots. cables. wire. grade stokes. and other materials thot might hinder proper grading. tilloge. seeding. or subsequent maintenance operations.
C. Foreign materials coUceted during cultivation sholf be removed from site.
O. The Contractor sholl grade the site to maintain a ,smooth and uniform ground surface and eliminate rough spots and low areas where ponding moy occur.
E. The Contractor sholl grade the site so os to assure positive drainage away from buildings.
F. The Contractor shoJi finish the ground level a firm condition sufficient to prevent sink holes and pockets when irrigation is applied.
G. The Contractor shaff maintain grades on the area to be seeded to 0 true and even condition. The Contractors maintenance of the site sholl include any necessary repairs to previously cyoded areas.
H. All graded oreos !!holl be thoroughly lilled to 0 depth of at leosl four (4) inchea by piowing, disking, horrowing. or other approved methods untH the condillon of the soil is occsptobie. On ailes where soH conditions ore such thai high cloy
content and excessive compaction couse difficulty in effectively pulverizing lumps and clods. the Contractor sholl use rotory tillage maChinery. unUI the mixing of the soil is acceptable and no clods or clumps remain larger thon one-holf (!?) inch in
diameter. After being graded. the seedbed sholl be lightly compacted with 0 land roller. such os 0 culli-packer. before and after seeding.
LIMING:
A. The Contractor sholl uniformly apply lime at a rate of four thousand (4.000) pounds per cere prior to be<Jinning of tillage operation.
FERTiLIZING:
A. The Contractor sholl incorporate fertilizer into the upper three to four (3?-4?) inches of prepored seedbed just prior to the last tillage operation. but in no case sholl fertilizer be applied more than three (3) days prior to seeding.
fertilizer sholl be opplied at a rote of one thousond (1.000) pounds per acre.
a. Fertilizer sholl be used immediately after delivery or stored in 0 manner that will not permit it to harden or destroy its effectiveness.
C. If a hydraulic seeder is used. seed sholl not be mixed with fertilizer more than thirty (30) minutes prior to appllcotion.
FER TiLlZING,
A. Apply seed at the rote specified hereinbefore.
B. The seed shali be raked in lightly.
C, Roll ..eded oree with roller not exceeding one hvndred ond Iwelve (112) pounds.
D. Apply water with fine spray immediately ofter seeding.
MULCHING AND TACKING:
A. Seeded areos sholl be mulched with four thousand (4.000) pounds of mulching material per acre or approximately ninety (90) pounds per thousand (1.000) square feet.
a. Method used to apply mulch shan emptoy med1anical type equipment and sholl obtain a uni10rm distribution to permit sunlight to penetrate to the ground surface.
C. Mulching material sholl be either tacked with asphalt emulsion or crimped into the soil with a disc harrow.
D. Emulsified asphalt !!holl be applied at 0 rote of two hundred (200) golions per ton of slrow or opproximolely nine (9) gallons per 1.000 square feet.
IRRIGATiON:
A. Lightly water to aid breakdown of fertilizer and to provide moist soil for seed.
SURF ACE MAINTENANCE:
A. Maintain surfaces and supply additional topsoil, lime, fertilizer. seed. mulch. tock. weed killer. etc, os necessary, including areas affected by erosion.
B. Water to ensure uniform seed germination and to keep surface of soil domp.
C. Apply water slowly so that surface of soil will not puddle and crust.
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2. ctlNTRACTOR TO EXERCISE CAUTION NOT TO BURST OR DAMAGE THE SEO'IlENT rlLTER
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3. 'THE LENGTH ANn WIDTH Of Tiff SEDIUEHT BAG $HOWN ON THIS DRAWING IUl.V VARY PER
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4. SEDU€Nl fJl. TER BAGS UA,Y BE EOUlfflO "ITH A SEWtHN SlEEVE (F SUFF'lcmn SIZE
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DATE:
JAN 2009
ItflETZOtI:
35'1 OF
sw:tFACE AREA.
R$T CHAletR
2S'I0f'
SURf ACE AREA
CONI) CHAUBER
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SURf ACE AREA
TECHNICIAN: RCB
CHECKED BY: TADJR
REVISIONS
LET ZONE
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SURfACE AREA
FABRIC F'ot.o[D~\
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NO. DATE
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A-1
DATE-
07-03-07
DRAWING NO.
130301SE3
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DATE:DEC. 2008
DESIGNED BY: TAD
TECHNICIAN: RCB
CHECKED BY:TAO.JR
REVISIONS
NO.
~
DATE
06-17-09
SCALES
HORIZ.: 1# = 50'
VERT.: 111::= 10'
PROJ. NO. DIV.
1890 A
DRAWING NO.
189001SE8