SW5210201_Essex Village - Revised Pond Detail Sheet_20210623

SEEDING SPECIFICATIONS PERMANENT SODDING
COMPLETE GRADING BEFORE PREPARING SEEDBEDS, AND INSTALL ALL ALL SOD SHOULD BE PLACED IN ACCORDANCE WITH SECTION 6.12 OF THE NC
NECESSARY EROSION CONTROL PRACTICES SUCH AS, DIKES, WATERWAYS, DENR EROSION CONTROL MANUAL. ~
AND BASINS. MINIMIZE STEEP SLOPES BECAUSE THEY MAKE SEEDBED Lo
PREPARATION DIFFICULT AND INCREASE THE EROSION HAZARD. IF SOILS SPECIES: co � N
BECOME COMPACTED DURING GRADING, LOOSEN THEM TO A DEPTH OF HYBRID BERMUDAGRASS
6-8 INCHES USING A RIPPER, HARROW, OR CHISEL PLOW. .0 V
SOIL PREPARATION: UJ� z r-I
�Qo SEEDBED PREPARATION APPLY LIME AT A RATE OF 100 LB PER 1,000 SF. APPLY FERTILIZER AT A RATE O w
3X PIPE O.D. ` , GOOD SEEDBED PREPARATION IS ESSENTIAL TO SUCCESSFUL PLANT OF 25 LB PER 1,000 SF OF 10-10-10 IN FALL OR 5-10-10 IN SPRING. t , _ _ ti
.0.
NORTH STORM WATER \ ESTABLISHMENT. A GOOD SEEDBED IS WELL -PULVERIZED, LOOSE, AND v > '> �
\ \ \ \ 1 I CONTOL MEASURE UNIFORM. WHERE HYDROSEEDING METHODS ARE USED, THE SURFACE SOD INSTALLATION: V a
\ \ \ \ I 1 W MAY BE LEFT WITH A MORE IRREGULAR SURFACE OF LARGE CLODS AND 1. PRIOR TO LAYING SOD, CLEAR SURFACE OF SOIL OF ALL TRASH AND CC _O O
` ^ STONES. DEBRIS. FILL ALL LOW SPOTS TO AVOID STANDING WATER. a O IS)
\ EDGE OF SCM \ l \ I LITTORAL SHELF FOR PLANTINGS LIMING -APPLY LIME ACCORDING TO SOIL TEST RECOMMENDATIONS. 2. PRIOR TO INSTALLATION, STORE ALL SOD IN SHADE AND MOISTEN TO Z , = a) O
\ �\ ACCESS EASEMENT ` MIN. 6' WIDE IF THE PH (ACIDITY) OF THE SOIL IS NOT KNOWN, AN APPLICATION OF MAINTAIN VIABILITY. DELIVERY AND INSTALLATION OF SOD SHOULD M O
6H:1V MAX SLOPE 3X PIPE O.D. 6 O J
\ 1 I GROUND AGRICULTURAL LIMESTONE AT THE RATE OF 1 TO 1 1/2 TAKE PLACE WITHIN A PERIOD OF 36 HOURS.
TONS/ACRE ON COARSE -TEXTURED SOILS AND 2-3 TONS/ACRE ON 3. DURING SUMMER, LIGHTLY IRRIGATE SOIL IMMEDIATELY BEFORE LAYING O 00 Lo
w FINETEXTURED SOILS IS USUALLY SUFFICIENT. APPLY LIMESTONE SOD. pi- V x cv) J
UNIFORMLY AND INCORPORATE INTO THE TOP 4-6 INCHES OF SOIL. 4. LAY FIRST ROW OF SOD IN A STRAIGHT LINE WITH SUBSEQUENT ROWS p w
l SOILS WITH A PH OF 6 OR HIGHER NEED NOT BE LIMED. PLACED PARALLEL TO AND BUTTING TIGHTLY AGAINST EACH OTHER. m �'�
\ , ANTI -SEEPAGE COLLAR FERTILIZER -BASE APPLICATION RATES ON SOILTESTS. WHEN THESE STAGGER STRIPS IN A BRICK -LIKE PATTERN. ENSURE THAT THE SOD IS a � z
ARE NOT POSSIBLE, APPLY A 10-10-10 GRADE FERTILIZER AT 700-1,000 NOT STRETCHED OR OVERLAPPED. TRIM AND FIT IRREGULARY AREAS
370 ( NOT TO SCALE WITH A KNIFE OR SHARP SPADE.
\ I LB/ACRE. BOTH FERTILIZER AND LIME SHOULD BE INCORPORATED INTO
`X � gg£ \ / THE TOP 4-6 INCHES OF SOIL. IF A HYDRAULIC SEEDER IS USED, DO NOT
5. INSTALL STRIPS OF SOD WITH THEIR LONGEST DIMENSION
I rn t� I / NOTES MIX SEED AND FERTILIZER MORE THAN 30 MINUTES BEFORE PERPENDICULAR TO THE SLOPE. ON SLOPES 3:1 OR GREATER, OR
1 \ \ 1. THE CONCRETE COLLAR SHALL HAVE A MINIMUM 28-DAY STRENGTH OF APPLICATION. WHEREVER EROSION MAY BE A PROBLEM,
3000 PSI. SURFACE ROUGHENING -IF RECENT TILLAGE OPERATIONS HAVE SECURE SOD WITH PEGS OR STAPLES.
A 2. ANTI -SEEPAGE COLLARS SHALL BE CONNECTED TO THE BARREL PIPE
RESULTED IN A LOOSE SURFACE, ADDITIONAL ROUGHENING MAY NOT
Q WITH A WATERTIGHT JOINT. BE REQUIRED, EXCEPT TO BREAKUP LARGE CLODS. IF RAINFALL 6. AFTER SODDING OF AREAS IS COMPLETE, ROLL SOD TO PROVIDE FIRM
N 3j0 CONTACT BETWEEN ROOTS AND SOIL.
1 \ 380 J / 3. INSTALL ANTI -SEEPAGE COLLAR AT THE CENTER OF THE EMBANKMENT. CAUSES THE SURFACE TO BECOME SEALED OR CRUSTED, LOOSEN IT 7. IRRIGATE UNTIL THE SOIL IS WET 4 INCHES BELOW THE SOD. KEEP
\ / SODDED AREAS MOIST TO A DEPTH OF 4 INCHES UNTIL GRASS TAKES U
4. ANTI -SEEPAGE COLLARS SHALL BE INSTALLED AT LEAST 2 FEET FROM ANY JUST PRIOR TO SEEDING BY DISKING, RAKING, HARROWING, OR OTHER ROOT. J r\
\ PIPE JOINT. SUITABLE METHODS. GROOVE OR FURROW SLOPES STEEPER THAN 3:1
3g0 / / f ON THE CONTOUR BEFORE SEEDING (PRACTICE 6.03, SURFACE 8• NO MOWING SHOULD OCCUR UNTIL THE SOD IS FIRMLY ROOTED, vi w �
USUALLY 2-3 WEEKS. Z Z n
ROUGHENING). O Q cv
-ego - w
�• I \ 1 ��� MAINTENANCE: I_7 Z
1 PLANT SELECTION F w
to , l ��� / WATER AS NECESSARY TO MAINTAIN ADEQUATE MOISTURE. GRASS HEIGHT z - a H
' ss ) \ \ AINSLEY ROA - - oo - o 50 <�o+oo
25*00 24 0 -�00 22+50 ��22+0060' R/W 31
+ - - M
` 24+00 2 23+00 �° �- M
i M
M M
AQUATIC SHELF PLANTINGS
SYMBOL
TOTAL
BOTANICAL NAME
COMMON NAME
(D
218
PONTEDERIA CORDATA
PICKERELWEED
r (
254
IRIS VIRGINICA
BLUE FLAG IRIS
218
JUNCUS EFFUSUS var
SOFT RUSH
SOLUTUS
218
HIBISCUS COCCINEUS
SCARLET ROSE MALLOW
NOTES
SELECT AN APPROPRIATE SPECIES OR SPECIES MIXTURE FROM TABLE 6.10A
FOR SEEDING IN LATE WINTER AND EARLY SPRING, TABLE 6.10B FOR
SHOULD BE MAINTAINED BETWEEN 1 AND 2 INCHES. APPLY FERTILIZER
J
,
O w
SUMMER, AND TABLE 6.10C FOR FALL. IN THE MOUNTAINS, DECEMBER
AAT A RATE OF 5 6 LB
or
Q O O
AND JANUARY SEEDINGS HAVE POOR CHANCES OF SUCCESS. WHEN IT IS
NITROGETROGEN PER 1,000 SF.
Z p LL
NECESSARY TO PLANT AT THESE TIMES, USE RECOMMENDATIONS FOR FALL
J O w
AND A SECURELY TACKED MULCH.
z m Q
PERMANENT SEEDING
SEEDING
EVENLY APPLY SEED USING A CYCLONE SEEDER (BROADCAST), DRILL,
FOR GENTLE SLOPES, SUN OR SEMI -SHADE, HIGH -MAINTENANCE, MINIMUM
LL
CULTIPACKER SEEDER, OR HYDROSEEDER. USE SEEDING RATES GIVEN IN
CARE LAWNS
TABLES 6.10A-6.10C. BROADCAST SEEDING AND HYDROSEEDING ARE
SEEDING MIXTURE
APPROPRIATE FOR STEEP SLOPES WHERE EQUIPMENT CANNOT BE DRIVEN.
HAND BROADCASTING IS NOT RECOMMENDED BECAUSE OF THE SPECIES RATE (LB/ACRE)
DIFFICULTY IN ACHIEVING A UNIFORM DISTRIBUTION. SMALL GRAINS
TALL FESCUE BLEND (EQUAL PARTS
SHOULD BE PLANTED NO MORE THAN 1 INCH DEEP, AND GRASSES AND
z
LEGUMES NO MORE THAN 1/2 INCH. BROADCAST SEED MUST BE COVERED
OF TWO OR PREFERABLY THREE
r
BY RAKING OR CHAIN DRAGGING, AND THEN LIGHTLY FIRMED WITH A
TURF -TYPE TALL FESCUES) 200 500
0
w
w
ROLLER OR CULTIPACKER. HYDROSEEDED MIXTURES SHOULD INCLUDE A
z
o
WOOD FIBER (CELLULOSE) MULCH.
SEEDING DATES
o
~
a
m
a
H
a
n
K
AREA OF SHELF
3,620 SF
REQUIRED PLANTING RATE
50 PER 200 SF OF SHELF AREA
PLANTINGS REQUIRED
905
PLANTINGS PROVIDED
908
BEST POSSIBLE
MULCHING
O
g
a
w
a
a
BELOW 2,500 FT AUG 15 - SEPT 1 JULY 25 - SEPT 15
THE USE OF AN APPROPRIATE MULCH WILL HELP ENSURE ESTABLISHMENT MAR 1 APR 1 MAR 1 MAY10
z
o
w
UNDER NORMAL CONDITIONS, AND IS ESSENTIAL TO SEEDING SUCCESS
3 w
z
z
z
UNDER HARSH SITE CONDITIONS (PRACTICE 6.14, MULCHING). HARSH SITE ABOVE 2,500 FT DULY 25 AUG 15 JULY 15 AUG 30
MAR 20 - APR 20 MAR 5 - MAY 15
w z
z
o
CONDITIONS INCLUDE:
o
0
0
3
a
o
SEEDING IN FALL FOR WINTER COVER (WOOD FIBER MULCHES ARE SOILAMMENDMENTS
z
O
z a
a
Z
a
o
o
a
NOT CONSIDERED ADEQUATE FOR THIS USE), APPLY LIME AND FERTILIZER ACCORDING TO SOIL TESTS, OR APPLY 4,000
"
o u
O
u
u
o
z
a
1. BLUE FLAG IRIS AND SOFT RUSH PERFORM BEST SLOPES STEEPER THAN 3:1, LB/ACRE GROUND AGRICULTURAL LIMESTONE AND 4,000 LB/ACRE 10-10-10 w z w w w w z w
WHEN PLANTED IN 0" TO 2" OF WATER. THEREFORE EXCESSIVELY HOT OR DRY WEATHER, FERTILIZER. o a
THESE TWO VARIETIES SHOULD BE PLANTED CLOSE ADVERSE SOILS (SHALLOW, ROCKY, OR HIGH IN CLAY OR SAND), AND Y o 0 0 0 o
TO THE NORMAL POOL ELEVATION BUT STILL BELOW AREAS RECEIVING CONCENTRATED FLOW. MULCH < w w w w a w
THE NORMAL POOL ELEVATION. TOP OF AQUATIC IF THE AREA TO BE MULCHED IS SUBJECT TO CONCENTRATED WATERFLOW, APPLY 4,000 LB/ACRE GRAIN STRAW OR EQUIVALENT COVER OF ANOTHER
SHELF (AT NORMAL AS IN CHANNELS, ANCHOR MULCH WITH NETTING (PRACTICE 6.14, SUITABLE MULCH. ANCHOR STRAW BY TACKING WITH ASPHALT AT 400
POOL ELEVATION) MULCHING). GAL/ACRE, NETTING, OR ROVING OR BY ROLLING AND WATERING
1.0 N 1.0 O 1.0 M .--I
MIDDLE OF AQUATIC FROM: DEMLR EC MANUAL SECTION 6.10 REVISED 5113 MAINTENANCE o 0 0 0 0 0 0
SHELF (6" BELOW THE BUNCH -TYPE HABIT OF TALL FESCUE RESTRICTS ITS SPREAD INTO No No No No No No No
NORMAL POOL) DAMAGED AREAS. RESEED BARE SPOTS IN THE FALL. REFERTILIZE ANNUALLY N N N N N N N
IN LATE WINTER AND AGAIN IN FALL. RESEED, FERTILIZE, AND MULCH
BOTTOM 2 OF
AQUATICDAMAGED AREAS IMMEDIATELY.SHEN m a
NORMAL POOL) NOTE: PERMANENT SEEDING NOTED ABOVE IS ONLY FOR AREAS NOT
COVERED WITH SOD
TYPICAL 200 SQUARE FOOT AQUATIC SHELF PLANTINGS 750PSI Ln
POND GRADING NOT TO SCALE PLOWABLE FILL / z Lu
w
SCALE: 1"=50' \ 18" (TYP)
LU
CONSTRUCTION DESIGN DATA
DESIGN PARAMETER
DESIGN VALUE
AS -BUILT VALUE
TOP OF DAM ELEVATION
384.0
XXX
SEDIMENT CLEANOUT ELEV.
368.0
XXX
BOTTOM OF POND ELEVATION
366.0
XXX
RISER CREST ELEV.
381.0
XXX
RISER SIZE
48"x48" LD SQUARE
XXX
NORMAL POOL ELEVATION
373.0
XXX
ORIFICE ELEVATION
373.0
XXX
ORIFICE DIAMETER
3.0 INCHES
XXX
BARREL DIAMETER
24 IN
XXX
BARREL UPSTREAM INV.
368.0
XXX
BARREL DOWNSTREAM INV.
366.0
XXX
BARREL LENGTH
140 FT
XXX
ANTI -FLOTATION BLOCK SIZE
8'x8'x2.5'
XXX
ANTI -SEEPAGE COLLAR SIZE 7.5'x7.5' XXX
CALCULATED POND DATA
SURFACE AREA REQUIRED
15,393 SF
XXX
SURFACE AREA PROVIDED
17,462 SF
XXX
WQ RAINFALL VOLUME
36,039 CF
XXX
ELEV. AT WQ VOLUME
374.80
XXX
Q(1) DISCHARGE
0.7 CFS
XXX
Q(1) ELEV.
375.6
XXX
Q(2) DISCHARGE
0.8 CFS
XXX
Q(2) ELEV.
376.6
XXX
Q(10) DISCHARGE
1.0 CFS
XXX
Q(10) ELEV.
379.2
XXX
Q(25) DISCHARGE
1.2 CFS
XXX
Q(25) ELEV.
380.7
XXX
Q(100) DISCHARGE
7.6 CFS
XXX
Q(100) ELEV.
381.2
XXX
CONTOUR
DATA
CONTOUR ELEV
DESIGN AREA
AS -BUILT AREA
373
17,462 SF
XXX
374
19,357 SF
XXX
376
23,316 SF
XXX
378
27,502 SF
XXX
380
31,914 SF
XXX
382
36,552 SF
XXX
384
41,417 SF
XXX
/\\ J z ONx
0 Q
z z
HANDWHEELTO BE EXTENDED j Lu U < O
1' AB VE TOP OF ILL
RASH RACK 2 \ /�\ w
TRASH TRACK
T 12" IN.
j 1' (TYP) Ln
TURN DOWN PIPE WITH 6H:1V SHELF
6' W DE 3N.ti`� � 0
ATTENUATION ORIFICE
CONCRETE CRADLE DETAIL O z
RISER TRASH RACK DETAIL NOT TO SCALE U
NORMAL POOL 3 NOT TO SCALE
ELEVATION iy1� CONCRETE CRADLE NOTES
1. EXCAVATE TRENCH FOR THE CONCRETE CRADLE AND BARREL PER THE
2N.ti� 1VOTHE ETRASH RACK SHALL BE CONSTRUCTED OF #4 REBAR DIMENSIONS ON THE CONCRETE CRADLE DETAIL.
2. PLACE BARREL PIPE ON CONCRETE BLOCKS TO ACHIEVE SLOPE AND
8" EMERGENCY 2. THE TRASH RACK SHALL BE ATTACHED TO THE RISER WITH FOUR INVERTS NOTED ON THE POND DETAIL SHEET.
DRAWDOWN PIPE FLARED END TTRASH RACK WILL EQUALLY HOT -DIPPED P DN1 THA H GAL ADEEL CLAMPS.
ACCESS HATCH 3. PLACE 2 FOOT WIDE STRIPS OF FILTER FABRIC OVER PIPE JOINTS BEFORE `,`
3. HE C/1
SECTION PLACING FLOWABLE FILL �. N Rp .,
\ PROVIDED BY THE FABRICATOR. 4. PLACE FLOWABLE FILL AS ONE LIFT UP TO THE SPRINGLINE OF THE PIPE. �� "••�"c"""i • •� / �:�
5. ALLOW CRADLE TO CURE FOR AT LEAST 7 DAY SBEFORE USING ANY ?fie a�9
BARREL PIPE I I VIBRATING EQUIPMENT IN THE VECINITY OF THE PIPE. 'Q
SEDIMENT CLEAN -OUT ELEVATION I I = SEAL
II CONCRETE CRADLE ALTERNATE = `'04
\ \ THE CONTRACTOR MAY CHOOSE TO ELIMINATE THE CONCRETE CRADLE AND
USE COMPACTED BACKFILL. IF THE CONCRETE CRADLE IS NOT USED THE 'A
1 COMPACTED BACKFILL MUST BE PLACED PER THE GEOTECHNICAL ENGINER'S
8" GATE VALVE 1 \ 5' (MIN) RECOMMENDATIONS.
BOTTOM OF POND O-RING RCP 06 21 2021
CONCRETE ANTI -FLOTATION BLOCK PROJECT NO:
ANTI -SEEPAGE POND CERTIFICATION REQUIREMENTS ---
REFER TO THE STORMWATER CONTROL COLLAR THE CONTRACTOR SHALL NOTE THAT THE FOLLOWING DOCUMENTATION IS
MEASURE DATA BLOCK ON THIS SHEET FOR REQUIRED FOR CERTIFICATION OF THIS POND. ADDITIONAL ITEMS MAY BE DESIGN BY:
ELEVATIONS, SIZES AND DIMENSIONS OF THE KEYTRENCH REQUIRED DEPENDING ON THE REVIEWING AUTHORITY. JPE
ELEMENTS SHOWN ON THIS SECTION 1. AN AS -BUILT SURVEY WITH BARREL PIPE INVERTS AND DIAMETER, RISER
TYPICAL DAM CROSS SECTION DIMENSIONS AND CREST ELEVATION, ORIFICE ELEVATION(S) AND DRAWN BY:
NOT TO SCALE DIAMETER(S) JPE
2. AN AS -BUILT TOPOGRAPHIC SURVEY OF THE POND AT ONE FOOT
CONTOUR INTERVALS, INCLUDING THE TOP OF EMBANKMENT AND
DOWNSTREAM SLOPE(S) OF THE EMBANKMENT SCALE:
3. COMPACTION TESTS PERFORMED PER THE GEOTECHNICAL ENGINEER'S 1"=50'
RECOMMENDATIONS. THIS SHOULD INCLUDE COMPACTION TESTS OF
SOIL UNDER THE BARREL PIPE IF THE CONCRETE CRADLE WAS NOT USED.
4. VERIFICATION OF ANTI -SEEPAGE COLLAR SIZE AND INSTALLATION DATE:
5. VERIFICATION OF ANTI -FLOTATION BLOCK DIMENSIONS AND 50 0 25 50 100 01/26/2021
INSTALLATION
SCALE: 1"=50' SHEET NO:
PD1.1
PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION