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Home My WebLink About20140090 Ver 5_Stream Restoration Site 3A & 3B REVISED (2019-02-28)_20190228� e o� � � 0 N � � � U � I 2 3 4-5 6-7 8 INDEX OF SHEETS TITLE SHEET SITE PLAN AROFILES AND CROSS—SECTIONS ALANTIIVG PLAN DETAILS SITE STABILIZATION PLAN DIRECTIONS TO SITE FROM RALEIGH, TAKE I-40 WEST TO OLD GREENSBORO ROAD NE IN WINSTON— SALEM. TAKE EXIST IO FROM I-40 BUS WEST /US-421 NORTH. TAKE US—IS8 E/ REIDSVILLE ROAD TO FREEMAN PARK COURT, WHICH IS THE ACCESS TO THE SITE. PROJECT DATA SITE 3A RESTORATION LEIYGTH = 424 FEET SITE 3B RESTORATION LENGTH = 170 FEET P�epored for; ANGELCRESPO DEPUTY PROfECT MANAGER P�epo�e0 in the Office of: � � � �� .�ssocures oe vc ENGWEERS•PLANNERS•ECOLOGISTS SUITE 220 LANDMARK CENTER II 4601 SIX FORKS RD., RALBGH, NC Prepored by: TIM MORRIS PROJECT h1ANAGER ALEX FRENCH PROfECT DES7GNER 898 894 890 0 N W 8�36 8t32 8/8 874 810 1��C PROFILE - SITE 3A 11�� 12�7�C 1��2� REACH - SITE 3A STATION 10+00 TO 14+24 TIE BACK TO EXISTING i 10.0' i GRADE AT 2:1 SLOPE (TYPICAL) � � � ^ 5.0' M I N. I 27' I 2.3' I 2.3' I 27' I 5.0' M I N. � � �¢ �I¢ I I � � \� i alm FIm � II I i �----- oi°--�°-�Iwfe�---+------r--� � � _-I -_�Wbkfl_-_ � � � � � J------ --- `n �o TYPICAL RIFFLE 0 = THALWEG LOCATION 5.0' MIN. 9.0' 5.0' 5.0' MIN. 1�I�Z� 15�2� ---I�--1-----------�I�a----+------r--� ---------��kf --- � I .� NI -- II TYPICAL POOL - RIGHT MEANDER 0 = THALWEG LOCATION TIE BACK TO EXISTING GRADE AT 2:1 SLOPE (TYPICAL) 5.0' M I N. 5.0' 9.0' 5.0' M I N. -�------+--- W�a - ----------r--�- -- � � � __VWkf ------- I I � m N TYPICAL POOL - RIGHT MEANDER 0 = THALWEG LOCATION PROFILE - SITE 3B 898 894 � � � � � � � � � � � � . �. � ��N�^��_ _�NNa��__.___��M _ N__ __•_ __._ _ �� ,m 890 "' "��°�QN �� °��a a w o . a�d�- -oZ�'z-oz`o--� -+� - �,-m -'`�-'Mi--� �a�¢�� oN�oNory �N'� z; :a'��. � r"w"'wywN--Fai-G-�a�aF ¢p¢;9-��N -�-o�-�,w;--�,-- 0 3 W 3 ulj w 'a - - d ��d a � a >_ � W � _ _ , _ _ , _ _ 2JdJ- (7��U1�(n_�Y/1 h�E~/}�,aF4 d_J_'__ 886� > > w> w u'-'u' � � °'o � J D w a _ a. Q -�'� . ' 882 ��r� � Mo�'�' �ggMm �,m� �z�i��e�m "' a�o ' �o 00 "°+ o�'�w°'�� . ., . . . .< A-. N�K a.Q Z �o Z o.Z' Z M� N N � N � hi , - ,�;�, ~¢~Qd-a-'o� o.�o ok�� 878 � �' � �a -�a - z� � ��?� j w� w�� a- u-a ,� a a o a o o a o : a w a w _ _ � �°-�-¢� �-'�u�r J„��Na---- cNa-'--`- w;� ,'w w�w�w �� .__ ' - • 874 � � �� NE g�� SEWER Pl -, PE'. ' TO ELEV: �a7 R FFLE �ROS ING=881.Si ; 870 �, � � � � � � � �� , � 22-�72 21 � f�2 2� � f�� REACH - SITE 3B STATION 20+00 TO 21+70 TIE BACK TO EXISTING 10.0' i, GRADE AT 2:1 SLOPE � (TYPICAL) 5.0' MIN. I 27' I 2.3' i 2.3' I 27' I 5.0' MIN. ^i I I¢ Di¢ � I I I -- -�i aim �im i i il il -----�li�--��-��eT-- i ----r--� _-� -_ � Wbkfl_-. I I � �I - i i -i ----- --__ �o TYPICAL RIFFLE 0 = THALWEG LOCATION 5.0' MIN. 9.0' 5.0' 5.0' MIN. I~ �I- ^I- �I ---i---1-----------��a----t------r--� ---------tW4kf --- I �I -- I N � ------------� TYPICAL POOL - RIGHT MEANDER 0 = THALWEG LOCATION TIE BACK TO EXISTING GRADE AT 2:1 SLOPE (TYPICAL) 5.0' MIN. 5.0' 9.0' 5.0' MIN. I I Wf�a L--- - I I ---�------+---- --- ---r---i- -- --Wbkf�---- I I � � I � I" TYPICAL POOL - RIGHT MEANDER 0 = THALWEG LOCATION STRUCTURES - SITE 3A STATION ELEVATION STRUCTURE 10+00.00 887.20 ROCK SILL-BEGIN 10+12.62 887.06 ROCK SILL-END 10+20.49 887.06 ROCK SILL-BEGIN 10+35.70 886.89 ROCK SILL-END �p+48.07 886.89 ROCK SILL-BEGIN 10+62.40 886.74 ROCK SILL-END 10+62.40 886.74 STEP POOL-SILL 10+77.65 886.26 ROCK SILL-BEGIN 10+89.82 886.13 ROCK SILL-END 11+04.99 886.13 ROCK SILL-BEGIN 11+20.98 885.95 ROCK SILL-END 11+20.98 885.95 STEP POOL-SILL 11+35.97 885.49 ROCK SILL-BEGIN 11+51.15 885.32 ROCK SILL-END 11+58.92 885.32 ROCK SILL-BEGIN 11+70.21 885.20 ROCK SILL-END 11+g0.45 885.20 ROCK SILL-BEGIN 11+g3.81 885.05 ROCK SILL-END 11+93.81 885.05 STEP POOL-SILL 12+04J9 884 61 ROCK SILL-BEGIN 12+20.64 884.44 ROCK SILL-END 12+31.26 884.44 ROCK SILL-BEGIN 12+48.58 884.25 ROCK SILL-END 12+55.28 884.25 ROCK SILL-BEGIN 12+72.53 884.06 ROCK SILL-END 12+g1.13 884.06 ROCK SILL-BEGIN 12+g7.g3 883.87 ROCK SILL-END 12+g7,g3 883.87 STEP POOL-SILL 13+15.26 883.37 ROCK SILL-BEGIN 13+30.89 883.20 ROCK SILL-END 13+40.64 883.20 ROCK SILL-BEGIN 13+72.60 882.85 ROCK SILL-END 13+gg.q6 882.83 ROCK SILL-BEGIN 14+05.42 882.51 ROCK SILL-END 14+15.18 582.50 ROCK SILL-BEGIN STRUCTURES - SITE 3B STATION ELEVATION STRUCTURE 20+00.00 885.10 ROCK SILL-BEGIN 20+11.89 884.97 ROCK SILL-END 20+22.05 884.97 ROCK SILL-BEGIN 20+37.00 884.80 ROCK SILL-END 20+37.00 884.80 STEP POOL-SILL 20+51.94 884.35 ROCK SILL-BEGIN 20+65.97 88420 ROCK SILL-END 20+72.72 884.20 ROCK SILL-BEGIN 20+g4.31 884.07 ROCK SILL-END 20+94.33 884.08 ROCK SILL-BEGIN 21+0824 883.93 ROCK SILL-END 21+18.38 883.93 ROCK SILL-BEGIN 21+34.67 88375 ROCK SILL-END 21+34.67 583.75 STEP POOL-SILL 21+48.41 883.31 ROCK SILL-BEGIN m � V/ � t/� 0 0 a � a � � � � � �� = w �o U � � �� w 5 �� z w N O w � wN �Q �z �� o� a� oa �V �_ Y � �o oZ LL X = �� e� Q � M J m � m � � Z N � � � Z _ � � � � W � Z O �r^ G L.1� vJ w J � � Z � W U O Z � � � Z � � R4A:113 PROFILES AND CROSS- SECTIONS a Z 0 � Q U 2 H � O z � Z � O U x � � � � O � SHEET 3 OF 8 a t/� � h O 0 a c� a oc 0 N H N u H ^ z W ' `o U . V- N �o � z �� Z W � Q M � W � W m � �' Z N � � j Z _ � � � � W � Z 0 � � � � W J � �' Z � W U Oz� � � z � onTe�. MAY 2015 PLANTING PLAN W N F � Z �� o� a� OU �_ �F Y� �O OZ XS � (� � W O� Q z J � � ¢ U 2 F � O Z Z � O U x � � � � 0 � PLANTING DETAILS LIVE STAKES PLANTING DETAIL LIVE STAKE SQUARE CUT �.��'Q _VE Cl-IIN a/? -�" DIAVF AN�� F ��T 2 - 3 Feet SIH�-AM3ED�� BANK STABILIZATION WITH LIVE STAKES �cT_: JV= STAKES SHALL BE SPACED APPROXIMATELY 4 FEET CN CENTER LIV� STAKES SHALL BE DRIVEN UNTIL �PPROXIMATELY 3/y CF LIVE STAKE IS WITHIN GROUVD ED BAREROOT PLANTING DETAIL DIBBLE PLANTING METHOD USING THE KBC PLANTING BAR �� n i� � I I I� I� � I I—I I I—I I I = I 1=1 I I I I I�I I 1=1 iii=iii=i i i �_� � �=T� —iTi—iTi— —iTu i i—i iii-iii=iii_i i i=i i i=iTi —i i i—iTi—i i i=i i i=i i i=i iTi - iTi - iTi - iTi — iTi — iTi 1. Insert planting bar as shown and pull handle toward planter. r II� I— II—�I�II� _� I I I � I � I—I I I—� I I� II�I�—III I I I� I ——I � I—I I I—� I I —�II�I�III II II I� I�I I—I � I—I � I—I I I—� I= � I=I I I=� I I� � I I 4. Pull handle of bar toward plz�nter, firming soil at bottom. III-111— 11=111=111 I I I— I I I I 1=1 I�I I i i i=il� i i i i=iI=i i i i—ii_ iii—iini iii� � il��1u i i=il=i i i i i ii i iiTi�T�iTi ��iTiiT�i i 2. Remove planting bar and place seedling at correct depth. '� II�I II III�I IIII��IIIII�I I I�I I I III�I I IIII��IIII I�I II II I I� I—I I �—I I I I II I�W—I � I—I I I—� I I—I I I I= � I-I I I� I�I I �-I I I 5. Push handle forward firming soil at top. PLANTING NOTES: PL.ANTING BAG During planting, seedlings shall be kept iu a moist canvas bag or similar container to prevent the root systems from drying. KBC PLANTING BAR Planting bar shall have a blade with a triangular croes sectiou, and shall be 12 iuches long, 4 inches wide and 1 inch thick at center. ROOT PRUNIVG All seedlings shall be root pruued, if necessary, so that no roots extend more thau 10 inches below the root collar. � z �n�n III II— IHIHII —I �II 111=111=11 L iii=ii ii�i�iii � ��T_ —W—i i i—i i I I � 1I-I I I—l�T�il - ��ii1��iTi��iTi ��iTi � 3. Insert planting bar 2 inches toward planter kom seedliug. III�III I�IIIIIII IIII� II=�IIII �IIIIIII� IIII�I� IIIIIIII I I�I I�III�III� 6. Leave compaction hole open. Water thoroughly. � �� I �� '911ii ❑ TYPE 1 STREAMBANK REFORESTATION SHALL BE PLANTED 3 FT. TO 5 FT. ON CENTER, RANDOM SPACING, AVERAGING 4 FT. ON CENTER, APPROXIMATELY 2724 PLANTS PER ACRE. ❑ TYPE 2 STRF,AIVIBANK REFORESTATION SHALL BE PLANTED 6 FT. TO 10 FT. ON CENTER, ItANDOM SPACING, AVERAGING 8 FT. ON CENTER, APPROXIMATELY 680 PLANTS PER ACRE. ❑ NOTE: TYPE 1 AND TYPE 2 STRF,AMBANK REFORESTATION SHALL BE PAID FOR AS "STRI?AMBANK REFORESTATION" STRF.AMBANK REFORESTATION TYPICAL TI'PE II I � TYPE I � I � � I I ; er. STREAIVIBANK REFORESTATION MLYTURE, TYPE, SIZE, AND FURNISH SHALL CONFORM TO THE FOLLOWING: TYPE 1 50% SALIX NIGRA BLACR WILLOW 2 ft - 3 ft LIVE STAKES 50% CORNUS AMOMUM SILKY DOGWOOD 2 ft - 3 ft LIVE STAI�S TI'PE 2 25% FRAXINUS PENNSYLVANICA GREEN ASH 12 in - 18 in BR 25% PLATANUS OCCIDENTALIS SYCAMORE 12 in - 18 in BR 25% QUERCUS PHELLOS 25% QUERCUS NIGRA WILLOW OAK WATER OAK 12 in - 18 in BR 12in-18inBR y � � 0 � a c� a cc 0 0 w � � � � �= Z w� w �Q �z �� : �� 00 Q �� W �U 2 a �K �� Z O W C7 � K w i a M J m � W O� W m � � Z N � � � Z _ � � H � U � Z O O � � � w J � Q' Z � W U OZ� � � Z � oATe MAV SCALE�. GRA PLANTING PLAN Q Z J O � Q U 2 F � O z � � O U 2 F � � � O � � TOP OF BANK ELEVATION POINT (SEE PROFILE SHE FILTER FABRIC I I B I I BOULDERS (SEENOTE � � �� FORSIZE) i g0o 00� � I � o�q� � �� UO � � Q O�' � � OGC FILTER � O` FABRIC I (� �p O ROCK SILL � " O (USE DOUBLE LAYER SILL FOR STEP POOLS, I SEE DETAIL BELOV� � I I I I ELEVATION POINT — (SEE PROFILE SHEET) REACH 3A & 3B Vvbkf (ft) 10.0' Dmax(k) 1]' ROCK SILL DETAIL NOT TO SCALE STONE BOULDER SILL (N10 LAYERS) � LL1 q TOE OF � BANK I I I HEAD OF I RIFFLE � I I I I I RIFFLE � � � I I I I I I I I I I PLAN VIEW CW7 `�I ❑ I � I � I � I� y IO Z m I/ 0 o I F I / _ � GRADED MIX OF (60%) CLASS "1", � (20%) CLASS "B", (10%) CLASS "A" � AND (10%) N0. 57 STONE / STONETOE: � START ROCK 2FT � BELOW WATERS EDGE � � AND EXTEND TO 0 5FT � �� ABOVE WATERS EDGE� r. � �" / / � / / �'i �i / -�'� � � �%F`O� '� /- , ,-' i o-� — / ,__. � R�FF�� PLAN VIEW Y Z m 0 0 � I W J � MIN. � I LAY FILTER FABRIC OVER UPSTREAM � � TOP EDGE OF SILL ROCK(S); BEHIND RLTER FABRIC, BACKFILL WITH #57 STONE, CLASS A OR B STONE AND/OR NATURALSTREAM MATERIALS. 6' MIN. � PROPOSED i � PROFILE OO� Q NOTE: 1. BOULDERS SHOULD BE NATIVE STONES OR SHOT ROCK, ANGULAR AND OBLONG, WITH AN AXIS APPROXIMATELY 3'Lx2'Wx1.5'D NOTES 1. BOULDERS SHOULD BE NATIVE STONES OR SHOT ROCK, ANGULAR AND OBLONG, WITH AN AXIS APPROXIMATELY 3'Lx2'Wx1.5'D 2. BOULDER SILLS TO EXTEND 5' MINIMUM INTO STREAM BANKS FOR STEP POOL STRUCTURES. FILTER J STONE �' FABRIC BOULDERS STEP POOL DETAIL NOT TO SCALE SEE PROFILE SHEETS FOR STATIONS AND ELEVATIONS BASEFLOW FINISHED — — GRADE —III—III— _ — � I—mI I I—m� � �—m� � _-- �• d —� j �=1 I 1=1 I 1=1 I 11 I C I I��III��II ��_��—��III —�� —III—��—�� - �111=�111-III-III-III-111= iliTi�iTi�iTi�iTi�iTi=� n�iTn �Ti=�T�T�Ti=� i 18" NOM. THICKNESS FILTER FABRIC WELL GRADED MIX (KEY IN UNDER OF (80%) CLASS "1", STREAM BED) (20 % ) CLASS "B", (10 % ) CLASS "A", AND (10%) N0.57STONE PROFILE VIEW \\ UTILIZEASTABILIZED � OUTLET FOR THE DISCHARGE OF I CLEAN WATER I /—/ SILT BAG WITH r� ROCKPAD � � � \ 1 DEWATERING IMPERVIOUS DIKE ' PUMP � I \ I EXISTING � CHANNEL I I TEMPORARY � I \ IMPERVIOUS DIKE FLEXIBLE HOSE i � I \\ CONTRACTOR MAY UTILIZE I � 1 I ACCEPTABLE MATERIALS TO 1 WLET FOR CLEAN INCLUDE SHEET PILES, SANDBAGS, I I I FLOW AND/OR THE PLACEMENT OF AN ' WATER TO BE RAISED ACCEPTABLE STONE LINED WITH OFF OF STREAM POLVPROPOLENE OR OTHER I � BOTTOM.THIS MAY IMPERVIOUS FABRIC. EARTH I ` REQUIRE PLACEMENT MATERIALS SHALL NOT BE USE� I � OF GRAVEL UNDER TO CONSTRUCT THE IMPERVIOUS INTAKE. DIKES. 1 � � \ 1 ` � 1 � ♦ � `� \ � � � �-� � � PUMP-AROUND \ � -� PUMP � � � �� SEQUENCE OF DEWATERING OPERATIONS� � � � � � ' ANY DEVIATION FROM ABOVE DEWATERING PLAN WILL RE�UIRE DESIGNER APPROVAL. 1. INSTALL SILT BAGS(S) AND ROCK PAD(S). 2. INSTALL UPSTREAM PUMP AND TEMPORARY FLEXIBLE HOSE. 3. PLACE UPSTREAM IMPERVIOUS DIKE AND BEGIN PUMPING OPERATIONS FOR STREAM DIVERSION. 4. PLACE �OWNSTREAM IMPERVIOUS DIKE AND PUMPING APPARATUS. �EWATERENTRAPPEDAREA. 5. PERFORM REPAIR WORK IN ACCORDANCE WITH THE PLANS. 6. EXCAVATE ANY ACCUMULATED SILT AND DEWATER BEFORE REMOVAL OF IMPERVIOUS DIKES. REMOVE IMPERVIOUS DIKES, PUMPS, AND TEMPORARY FLEXIBLE HOSE (DOWNSTREAM IMPERVIOUS DIKES FIRST). 7. REMOVE SILT BAG(S) AND STABILIZE DISTURBED AREA WITH SEED AND MULCH. EXAMPLE OF PUMP-AROUND OPERATION NOT TO SCALE STILLING BASIN MAINTENANCE: 1. SEDIMENT BAGS SHOULD BE REPLACED WHEN THE CAPACITY OF THE SEDIMENT BAG HAS EXCEEDED 50%. 2. ACCUMULATED SEDIMENT SHOULD BE DISPOSED OF IN A DESIGNATED DISPOSAL AREA. 3. SPENT BAGS SHOULD BE DISPOSED OF PROPERLY AND NOT BURIED. 4. GRAVEL PADS SHOULD BE CHECKED DAILY DURWG USE TO ENSURE THAT GRAVEL HAS NOT BEEN WASHED AWAY OR BEEN CHOKED BY EXCESSIVE SEDIMENTATION. 5. REPLACE PAD WITH CLEAN GRAVEL, AS NEEDED. EXISTING TERRAIN SILT BAG 15.0 - 20.0 ft. FILTER FABRIC STREAMBANK B.O IN., STONE FOR EROSION CONTROL, CLASS A- � NOTE: PROVIDE STABILIZED OUTLET DOWN BANK TO STREAM SPECIAL STILLING BASIN (SILT BAG) WITH ROCK PAD NOT TO SCALE O � K v/ � O 0 !a� V a 0 F F �= W ' `o U N V `� K �� w z ¢ ��i z [7 z w Q (h J m � m � � Z N � � � z _ � � � w � O O 0 � � � W J � Q' Z � W U � Z � Z > wN � �z N � o� Oa �V N = Y � �o oZ x= w� �J �a v� Q Z O � Q U 2 H � � Z H Z 7 � U 2 } � � 0 � ��,:,�a ��n3 DETAILS /\\�j\�j/��% o� QgJ�Q_O� (UOSEDOUBLELAYER vU° SILL FOR STEP POOLS, SEE DETAIL BELOVN 3' MINIMUM GEOTEXTILE SECTION A-A HEAD OF � 18"NOM.THICKNESS WELL RIFFLE \ GRADED MIX OF (60%) CLASS "1", (20%) CLASS "B", (10%) CLASS "A", AND (10%) N0. 57 STONE COIR FIBER Dmax MATTING (NP.) � —1/3 Dmax � CENTER BOULDER 2"-4" LOWER THAN ABUTTING BOULDER TO ENCOURAGE FLOW THROUGH CENTER OF CHANNEL DURING LOW FLOWS. TOE OF RIFFLE SECTION B-B 18"NOM.THICKNESS WELL GRADED MIX OF (60%) CLASS "1", COIR FIBER (20%) CLASS "6", (10%) CLASS "A", MATTING (NP) AND (10 %) NO. 57 STONE 1/3 Dmax o� ° � 00 0000 TOE OF SECTION C-C BANK TEMPORARY AND PERMANENT SEED MIXES: THE CONTRACTOR SHALL UTILIZE LINE ITEMS 317, 318 & 336 OF THE CONTRACT FOR SEED/FERTILIZER/MULCH IN ALL DISTURBED AREAS WITHIN THE STREAM PROJECT LIMITS. SEE TABLE BELOW. LINE ITEM DESCRIPTION UNIT 312 TEMPORARY SILT FENCE LF 317 SEED FOR TEMP SEEDING LB 318 FERT FOR TEMP SEEDING TON 336 SEEDING AND MULCHING ACR GROUND STABILIZATION SITE AREA STABILIZATION DESCRIPTION TIME FRAME PERIMETER DIKES, SWALES, DITCHES 7 DAYS AND SLOPES HIGH QUALITY WATER (HQV� 7 DAYS ZONES SLOPES STEEPER 7 DAYS THAN 3:1 SLOPES 3:1 OR 7 DAYS FLATTER ALL OTHER AREAS WITH SLOPES FLATTER 7 DAYS THAN 4:1 INSPECTIONS WEEKLY INSPECTIONS REQUIRED. RAIN GAUGE MUST BE PRESENT AT SITE. INSPECTIONS REQUIRED AFTER 0.5" RAIN EVENTS. INSPECTIONS ARE ONLY REQUIRED DURING "NORMAL BUSINESS HOURS". INSPECTION REPORTS MUST BE AVAILABLE ON-SITE DURING BUSINESS HOURS UNLESS A SITE SPECIFIC EXEMPTION IS APPROVED. RECORD MUST BE KEPT FOR 3 YEARS AND AVAILABLE UPON REQUEST. ELECTRONICALLY-AVAILABLE RECORDS MAY BE SUBSTITUTED UNDER CERTAIN CONDITIONS. NOTES: 1. THE CONTRACTOR SHALL EXERCISE EVERY REASONABLE PRECAUTION THROUGHOUT THE CONSTRUCTION OF THE PROJECT TO PREVENT EROSION 6. SEE NCDOT STANDARD SPECIFICATIONS, SECTION 1605 FOR SILT FENCE SPECIFICATIONS. AND SILTATION. EROSION CONTROL MEASURES SHALL BE INSTALLED AND SILT FENCE SHALL BE INSTALLED APPROXIMATELY 8' FROM THE TOP OF BANK MAINTAINED IN ACCORDANCE WITH THE PROJECT PLANS, NORTH CAROLINA FOR THE PROJECT STREAM PRIOR TO THE COMMENCEMENT OF DISTURBANCE SEDIMENT AND EROSION CONTROL GUIDELINES AND AS DIRECTED BY ACTIVITIES. SILT FENCE SHALL BE TEMPORARILY REMOVED IN EACH ISOLATED THE DESIGNER. WORK AREA TO PERMIT GRADING OF THE RESTORED STREAM. IMMEDIATELY 2. ALL REPAIR WORK SHALL BE PERFORMED IN DRY OR ISOLATED AREAS, WITH FOLLOWING THE COMPLETION OF STABILIZATION MEASURES FOR EACH ISOLATED NO STANDING WATER OR WATER FLOWING THROUGH THE WORK AREA. AREA AND PRIOR TO THE INITIATION OF WORK ON ANOTHER SECTION, THE SILT 3. ALL EXCAVATED MATERIAL SHALL BE STOCKPILED WITHIN THE LIMITS OF FENCE SHALL BE REINSTALLED AT ITS ORIGINAL LOCATION. SILT FENCE SHALL BE DISTURBANCE FOR LATER REUSE OR DISPOSAL. THE CONTRACTOR IS MAINTAINED HEREAFTER AND SHALL NOT BE REMOVED UNTIL GROUND COVER RESPONSIBLE FOR INSTALLING APPROPRIATE STABILIZATION MEASURES HAS BEEN FULL ESTABLISHED WITHIN THE LIMITS OF DISTURBANCE. SILT FENCE AROUND THE STOCKPILE AREA(S) AND ANY TEMPORARY OR PERMANENT SHALL ALSO BE INSTALLED ON THE LOW SIDE OF ANY TEMPORARY STOCKPILES OF SPOIL AND TOPSOIL PILES TO PREVENT EROSION AND SEDIMENTATION. ALL EXCAVATED MATERIAL. PERMANENT OR TEMPORARY SPOIL PILES SHALL HAVE SILT FENCE INSTALLED 7. ALL DISTURBED SOILS WILL BE SEEDED FOR VEGETATIVE STABILIZATION ON THE LOW SIDE OF THE SPOIL PILES. FOLLOWING THE GUIDELINES DESCRIBED ON THIS SHEET AND ACCORDING 4. A TEMPORARY PUMP-AROUND SHALL BE UTILIZED BY THE CONTRACTOR TO THE FOLLOWING SCHEDULE: TEMPORARY OR PERMANENT SEEDING DURING WORK ON THE STREAM TO DIVERT FLOW FROM AND DEWATER MUST BE APPLIED ON ALL GRADED SLOPES AND FILL WITHIN 7 CALENDAR THE DESIGNATED AREA IN ORDER TO WORK. THE TEMPORARY DAYS, PERMANENT SEEDING MUST BE APPLIED TO ALL DISTURBED AREAS PUMP-AROUND USED BY THE CONTRACTOR SHALL MEET ALL REQUIREMENTS WITHIN 15 WORKING DAYS OR 90 CALENDER DAYS. SPECIFIED IN THESE PLANS. THE TEMPORARY PUMP-AROUND SHALL BE 8. ALL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CHECKED FOR INSTALLED AND REMOVED IN ACCORDANCE WITH THE MANUFACTURER'S STABILITY AND FUNCTIONAL OPERATION FOLLOWING EVERY RUNOFF GUIDELINES. TWENTY-FOUR (24) HOURS PRIOR TO THE INITIATION OF PUMP-AROUND PRODUCING RAIN EVENT AND/OR AT LEAST ONCE PER WEEK. ANY NEEDED ACTIVITIES, THE CONTRACTOR SHALL MEASURE THE APPROXIMATE FLOW MAINTENANCE OR REPAIRS SHALL BE MADE IMMEDIATELY TO MAINTAIN ALL RATE AT THE PUMP-AROUND LOCATION. THE FLOW RATE SHALL BE SUBMITTED MEASURES AS DESIGNED. ACCUMULATED SEDIMENT SHALL BE REMOVED FROM TO THE DESIGNER FOR APPROVAL. THE CONTRACTOR SHALL, THEREAFTER, CONTROL MEASURES WHEN THEY REACH APPROXIMATELY 50% OF THEIR UTILIZE A PUMP(S) SUFFICIENT TO ACCOMODATE 120% (1.2 TIMES) THE APPROVED FUNCTIONAL CAPACITY. THESE MEASURES SHALL BE REPAIRED IF DISTURBED FLOW RATE. DURING MAINTENANCE. ALL SEEDED AREAS SHALL BE FERTILIZED, RESEEDED 5. IN THE EVENT OF A STORM, THE CONTRACTOR WILL BE RESPONSIBLE FOR THE AND MULCHED, AS NECESSARY, TO PROMOTE THE ESTABLISHMENT OF REMOVAL OR PROTECTION OF ANY EQUIPMENT, TOOLS, MATERIALS OR VEGETATION COVER. OTHER ITEMS NEEDED TO COMPLETE THE WORK THAT COULD BE AFFECTED BY STORM FLOWS. CONSTRUCTION SEQUENCE: THE CONTRACTOR IS RESPONSIBLE FOR FOLLOWING THE SEQUENCE OF CONSTRUCTION IN ACCORDANCE WITH THE PLANS, AS DIRECTED BY THE DESIGNER. CONSTRUCTION SHALL PROCEED IN THE SPECIFIED MANNER UNLESS OTHERWISE DIRECTED OR APPROVED BY THE DESIGNER. THE FOLLOWING PROVISIONS, ALONG WITH THE INSTRUCTIONS CONTAINED IN THE PLANS, CONSTITUTE THE SEQUENCE OF CONSTRUCTION. GENERAL SITE NOTES: - ALL PUMP AROUND OPERATIONS SHALL BE INSTALLED IN A MANNER THAT IT WILL BE ALLOWED TO RUN 24 HOURS A DAY UNLESS CHANNEL WITHIN THE PUMP AROUND LOCATION CAN BE STABILIZED WITHIN THE WORK DAY. - UPON APPROVAL FROM THE DESIGNER, PHASES 2 THROUGH 4 MAY BE CONSTRUCTED IN A DIFFERENT SEQUENCE THAN INDICATED BELOW OR CONCURRENTLY. PHASE 1: INITIAL SITE PREPARATION. 1. INSTALL EROSION CONTROL DEVICES IN ACCORDANCE WITH THE SITE STABILIZATION PLAN AND AS DIRECTED BY THE DESIGNER. PHASE 2: COMPLETE STREAM RESTORATION OF SITE 3A - STA 10+00 TO 13+50 2. BEFORE CONSTRUCTION ACTIVITIES START, INSTALL PUMP AROUND OPERATIONS AS DESCRIBED IN THESE PLANS. 3. BUILD CHANNEL AS DEPICTED IN THESE PLANS, BEGINNING AT THE MOST UPSTREAM POINT. 4. ONCE DISTURBED AREAS AND EXPOSED SLOPES ARE STABILIZED, REMOVE PUMP AROUND SYSTEM. PHASE 3: COMPLETE STREAM RESTORATION OF SITE 3B 5. BUILD CHANNEL AS DEPICTED IN THESE PLANS, BEGINNING AT THE MOST UPSTREAM POINT. 6. ONCE DISTURBED AREAS AND EXPOSED SLOPES ARE STABILIZED, REMOVE PUMP AROUND SYSTEM. PHASE 4: COMPLETE STREAM RESTORATION OF SITE 3A - STA 13+50 TO 14+00 7. BEFORE CONSTRUCTION ACTIVITIES START, INSTALL PUMP AROUND OPERATIONS AS DESCRIBED IN THESE PLANS. THIS MAY REQUIRE SIMULTANEOUSLY PUMPING AROUND THE UPSTREAM PORTION OF SITE 3A AND SITE 3B. 8. BUILD CHANNEL AS DEPICTED IN THESE PLANS, BEGINNING AT THE MOST UPSTREAM POINT. 9. ONCE DISTURBED AREAS AND EXPOSED SLOPES ARE STABILIZED, REMOVE PUMP AROUND SYSTEM(S). PHASE 5: PLANTING 10. INSTALLING LIVE STAKES AND BARE ROOT TREES CAN BE INITIATED PRIOR TO, AFTER, OR CONCURRENTLY AS PHASES 2-4 ARE COMPLETED, AS LONG AS THE PLANTING OCCURS AFTER DISTRUBANCE IS COMPLETE AND STABILIZATION IS INITIATED. LIVE STAKES AND BARE ROOT TREES SHALL BE INSTALLED DURING THE DORMANT SEASON (NOVEMBER 6- MARCH 24). PREPARE AND INSTALL LIVE STAKES AND BARE ROOT TREES IN ACCORDANCE WITH THESE PLANS AND AS DIRECTED BY THE DESIGNER. *'* IF CONSTRUCTION OCCURS OUTSIDE OF THE DORMANT SEASON, UPON APPROVAL OF THE DESIGNER, PHASE 5 SHALL BE COMPLETED IN THE DORMANT SEASON, AFTER PHASE 6. PHASE 6: COMPLETION OF PROJECT SITE 11. REMOVE ALL REMAINING WASTE MATERIALS AND RESTORE THE REMAINING DISTURBED AREAS TO THEIR PRIOR CONDITION. SEED AND MULCH ALL DISTURBED AREAS UTILIZING THE SEED AND MULCH MIXES SPECIFIED IN THE PLANS. a h � � 0 � a c� a oc � N H �= w ' `o U : V _ �, �¢ � w Z Z �� z w Q M J C� � m � H Z N � � j Z _ � � H � W � z O O � � N W J � �' Z � W U � z � Z � N � w� � sZ �� 00 a� OU �_ Y ~ �� oZ x= � c� �J a� Q z O � Q U 2 � � 0 z � � O U x � � � � O � SCALE: SITE STABILIZATION PLAN SHEET 8 OF 8