Page 1

ANDROPOGONiS ONLY COpy PLEASE RETURN

FILE COpy

EAST SEVENTH STREET PARK WILMINGTON DELAWARE

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SHORELINE STABILIZATION AND VEGETATION ESTABLISHMENT FOR A PORTION OF EAST SEVENTH STREET PARK, WILMINGTON, DELAWARE, FOR THE CITV OF WILMINGTON, DEPARTMENT OF PARKS AND RECREATION

ANDROPOGON ASSOC I ATES LTO ECOLOGICAL PLANNING AND DESIGN PHILADELPHIA PA

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DESCRIPTION OF THE PROJECT

East Seventh Street Park is part of a multi-phased hlstorlcal waterfront park development being undertaken by the Parks and Recreation Department of the City of Wilmington. The goal of this particular project Is to reclaim an existing hazardous and unsightly shoreline that was created In the past by fill material that included many large concrete sect ions and other debris. The intent of the proposed design is to create a natural riverbank by regrading back from the current mean high tide line, and stabilizing both the new bank and the intertidal zone with approprlate native vegetation, Where possible, the concrete sect ions are to be moved together and enc losed within a new wooden bulkhead, which will also provlde closer access to the water, BloCkS too large to move are to be covered within the contour of the new bank. The planting is designed to provide new aquatlc and terrestrial habitats at the river edge, with plants

ranging from herbai US aquatfcs, to grasses, Shr"b;,and trees.

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EAST SEVENTH STREET PARK

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SECT! ON 02150

TEl"lPORARY EROSION AND

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EDiMENT CONTROLS

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Schedulinn of the Work: The work as snecHied as ... ... .. _... _.,_",_,_.herein __ .... _.•and __ shown on the drawirv's involves sitew()rk abutUrw 2l tidal w2lterw2l. All work thai done or nNW ........... .............'1. . ............ . . ~ ..-............ ~ .....~.....is --~ . . . to ~-.~~be . -..--...... ~_~..at ___ ._~._._. . . __ the ~-~ ...water's -.~.-.~ ....... .

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The Contractor shall review the 'H'o"osed schedule of IiY.QLL?lHtJQLi'iLtL(t(Lti'iJ!J?~LW i tl1JhecGltYJtLWiJm iJlqtQI) ~"'_~"~"~_~ _ _ _ "'_' __~~""_""".~."'_"~ ___ '~"'.~_"_~~",_"~ ______ ~_,"_J_~,_._J!E,_"_,.~ ..,,._.. "__ ".,, ... _".,~, ___ ._,_,_.,.,..... _.,_

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SECT ION 02200

EARTHWORK PART I - GENERAL

RELATED DOCUMENTS

Drawings and general provisIOns of Contract. including General and Supplementary Conditions and Division-I Specification sections, apply to work of this Section. DESCRIPTION OF WORK Extent of earthwork IS shown on the drawings and includes, but is not limited to, the following: All earthwork and related and incidental operations Site protections and temporary erosion and sediment controls Excavation, filling, and backfilling Com pac t ion Rough Grading RELATED WORK SPECIFIED ELSEWHERE. Temporary ErOSIOn and Sediment Contro Is, Sec t ion 02150 Topsolling and Seeding, Section 02800 Landscape Plant ing, Sect ion 02900 BASIS OF CONTRACT: ExcavatIOn under this contract is unclassified. and includes (without limitation thereto) the excavation and removal of all soil, rock boulders, fill, and every kind of subsurface conditIOn encountered in the contract area. No extl-a or additional compensation for excavation will be paid under thiS contract. QUALITY ASSURANCE Codes and Standards. Perform work In compliance wJtrl appllcaole requirements of governing authorities j~aving JurisdictIOn. Applicable EAST 7TH STREET PARK

EARTHWORK

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LANDSCAPE PLANTING

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shown on the drawin"s involves sitework al.mlUrw a ..Udal .. ..----.. ... .. .... .. -..-.. v walcrwa AI! work that is to be done at or near Uw water's edne.. -.,.. ... ..-.--".-... ..,,.-'-,-.---"'''-.-,-.----.-...-.. ... .. .. SIlQlil(tt~g_g{;tl~q!L!f(tJ()Q(,:<:;m:d(JrJ.ngQmjQ(i~:UIr.. JgWJJ(1!?lLI1lU}{1 Contractor's resrHlnsibHitl! to ....................................... consult local tables.......................... and adiust .........................._ ....... '!JL.................... .....$.... _ . . .tide . . . . .....•....•... J ............... ttte.J'{()r!::.q@¥..LQJ@KLmi!~jJJBlmj~Q.!'~ItL~g!ULL I ow_Uges.. li!J[ j fl9. dalilipht further advised that such work .-...-..,;.... .... ..."..,..hours. __ ... __ .. __The ..........,...."... Contractor' ..... ... __ ....."".. .. ..... __ ..,,_is .. _.. _... __ .... ....... .."... _._" ___ __ "... m e tel a tJ !.'I-;;.bJ!.lJl!t..Q~;.;;!.:.!l~QIJJ~d a t t hJ)j?~tLm~!;1!tYrjJ19..U)!Lm(lfllh w.tHmJJH~.Jjd.1!jJJJ1<:;JlI@tj\l.fLt!;1 aL~lItUltm\lmJj· (L.i'!tJ1~j1J1.1 i qgj?,t .Ltm!:t!;1.QLHI a~.ml!mJj!1i!LtJ1KtjH1UQJL(l<:;.<:;Yf.Ci..f)9..Qt...QL2tt(lf.t.ty.i!Ltgf ne.W.QLf.!JJl . JIH!QJI!;1.1j,.L511fiJl9. t il1.!:dl,!;1hQYJ~U.)~!!v.Qlg~!.Lltl.~ ~->,--,.-.----.----".-,-".,~-,~- -,-~,~~-.~-~-~ -.~".-,~-,.,-" -.-~~~"

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,1=

T

erious rnaterial3 Cjtyof le for

I

lrninqton

-

7


\f./e i i -(O()

in 01 51ze

or

fj~;

'i {" ': : :

1;

vile t

\ c:

jc Dlant

110'1/'-路,/ j

v,

t.

!


, t \tv \ t

O(

uni fo!"rn co ]or""

pl:a::::,tic

t"(la

W1r""C'5. ForIn]

j a 1 t\!

ni, ~..

:,


it ions

Dian'll

VIi

fjci

eel pr

tce

1\1 to

in the locality

is f('Glen. or \A/i lrn inqton reor'e::;entat j\/e Drio( to fol)o\Njnq clur i nq OU(1cJ

1i be or level of final 9rades fo(' PI Vv'j on-51 jtj0l'"15. A.il ~

of top':iojl.

T

FOi~

L

ar'eE1':;

"-,

- 1()


on,

a'"v\

0 1. ;j

t\vo-i


:1

j \ie

a rnucidv

rl~vjev'/

ene

\vi

soil conciition.

Citvof , f j j jane) corrlpactecl, fr'orn aroun() stc:,rns a(1(1 t

cut or

C1

"-' .

tt t.o

deterrnine if tr18Y

are

t

forrnatii.)n

pot bound.

air

rul plant 50

roots elrv, out..

not let

;:::e ttl C:fl!

anej

plant. bed5 I"j1l to , add rnore 11 (I-'own of plant r)0 low {"in! ent.jr~路e

ar"ea

fill

no

\!,/

i

cove( tile 11, slope frorn

?lccurn jl f

EAST

the

L

o ~:;aucer

'32UCer to t

piar'iLj oj

11\ 1


ifi

Ol~

in T

Ii I

l

Ci

the

iral':y ,oottO((1,

i'

t.\!\iO~f'oot

In

trunk

\N'i

cord

Lei" or

detajl~3

on planti

on dra\/v"j

tve to 5ee if j5 ('('CUI

.. i...l.(.i 0' '.:'1, 'I('.~l.:路 r-"pr-c,c "\t"'10t'~1 t" i (",nc::'~)C[' !". . , ('.) c.'.: I' 'I.. i. i.路..'.".'.', ~l ~"', I - , ' ' ' ' \ . ' ',-) ' ':ril~\! : ) o ! \J\ .. I:::.\ (~" .1\1,.1 (~,)

oj

:::i

in a

(.')') '...:\,,' I riMO '"tV \ ""

P\iDC'<J

E r

1 j\/(~

'~if;:'DL..

and

cvv",\:;;,-..,)

1t(l1'

(~'II''''i d\,,)

,

cj('()\l/ing

1riC)

condition. sea:30n.

to Ii

De Ch)ll(:'


is

ible for r-najn

6 " .•" "

ar-ea

clean t

(. . . " (JI.'I(j .• f'.. I.' (l,__ 1.-'\... [.)r,"\) '=1["! C'J' ,.", ':;'C"A()' ._ 1 " -l·.'~, " ,r. " _ j,,-_ u!. (,"

'N '" (')f'k . , '.

'~llv-f (, .\,'

(I'-r :.~\ t 61~-;1,,-1, ;.~ l" t " " ' " \." ~')

cieter'rrfine lnq antic!

COrYrpl

Ci

an

j

c:ornpl

ion

c);'::lte

,inc1udi

of V,/j)rnj

rejected plan a1j ve,

urKJan'~! aClecJ! fjn\c:hp(l forthp i"'ll?nj'jqci t() - ", '-'. ,.,' , '" ,', ,,' I"" ,<. , ' j war'k ~, " .- ...

ane} 2i 11 c r

I~'e lateeJ

'vvork rnust

or

inspect jon" t.he L,(.1ndsCBpe Jrninoton lve in vvr-it,inu or t .' o,«'ontance, 1 i';

fOf'

(

':3o(ne (-eaSO!'I: City- of" \Vilcnjnqton a portion ot

pl

e

to rern2;ip aj

cornpl

T

ion

"'rr'po4-'-'r-'re '-·f ,j'~\~'--" 1..(") 1..., ' U,

al j

14


\" on t

jj

lr"!'!)

j

11

i)e

ur)le~.3s

or

L

1,

ins;

1, renL;II-'P i" . - , .. ,,'

Cit.y of \A/i irnj ]Y CCf!"lci j t j on and/ Or" , eyce~:;sj\!e prunl f'O(

rnade

t(ley

:.7ll"\\/ r)l"Jl~l"I"':; '.." , 7 1"" '- . . - ,,,

an

the

a('(;

allve

al"lci

tt"I21T" (l(-=>;:')ti 0(' the '" -- .. ;~'~'O I \" ,.I • . ,-< .. J in ' , '",. ~'"

or lost t

plants clarnaQeci by

of

lr or improper-' Ot!'·)0(,'S.

saffle

oriQjnailv soecj(i

kincJ\

sjXE';

pi

2r::

]j

nV.Jl

:::;arne pr-"(lceduf e for ;;) c. '-'-I~' i'.J\ ("1 i 1-- 1 .:~~) '~"1-1".\ j- i 1-'(' ,~'J '--' .1, 1-) ,. 'I <J 'J

tion,

END OF SECTION 02900

"1'''\ ,-, (-) P j'"l

... ,


PLANT SCHEDULE Symbol

Oty,

Piant i'Jarne

Size

Condt.

4" .. ,4.5" .5'

B8<f) [3&6

CANOPY TREES

2 2

Platanus occidental is P"'I' (".,~l!J}~.,UII 0'1' C;, I; "O<'Y'I O,'t' AI '1';Iv! I,

cal. SMALL TREES

2 4 3

Jlmipel'us viri9ini,ma Red Cedar

8' .. 10'

6,<0,J3

4'--6' 2'--3'

6M3 BfxB

hi(jh

sl路muss 16 20 16

CletiJraalnifolia 5weetpeppei' Bush Hibiscus nlosheutos i'1al'sll Hibiscus Vacciniurn coryrnbosum

Higrlbush Blueberry 16

Viburnurn dentaturn Arrowwood

~,

,,~

B8.JJ

hiflrl 2'--3'

BExB

rli gi\ 2'-3' 1\ i fill

6&l3

2'--3'

EI;:),B

hioh "

HERBACEOUS

800 25

Panicurn vir(jaturn Switchorass " r~udbeck ia 'Go illstrurn'

17':''' 4plu\lS peat POL3 per' pot 2 yr oie! 1 qt PJants

pots


AQUATICS

300

Saqittaria iatifollil

300

Sc II'pUS va I i (Ius Soft Stem F3uirus!; Spargan i urn eur'ycarpun fJur-reecl Typlvl auguslilolia NalTow-j eaveej Cat ta i i

300 360

large

sprouted

('oot laroe v larGe -'

sections I'Got stock root stock

GROUNDCOVER 19,800

Sq. ft

Paniclirfl virgatulTI

50 Jbs/

seed

Swltc!!grass aeTe SEE SECTIO~6 02800 & 02900 19,800 Agrostis alba ~)O 11)5/ seed Sq, FL Red Top acre SEE SECTIOI\lS 02800 & 02900 4300 Lalf/ll seed 5EE. SECTION SQ, FT. 02800


ADIJ. At lERNA IE SYlllbol

Oty.

Plant Narne

Condt.

CANOPY HIEES

Platanus occident.al js l\ll"el"'i ('an C~ycal'I-II"l~-C\ . \.h , .'. '.1"

I ,.,-

I \

~J . .,

I. ..

4"--4,5"

BEd3

[-2.5'

[',M3

1S' cal.

[',Stl

[i-',O' 4'-,6' Z路- 3'

[',&6 B&B [',&6

SMALL THEES

7 g

,Juniperus vlriginlana Ped Cedar

7

1,lgl-1 SHRUBS 34 40 34 34

Cietlira alnifolliJ Sv/eet Peppel'i)ush HitJiscus rnosheutos Marl)I-1 Hil)iscuS Vacclniurn spp Hi giibusr) 6 i ueberry ViI.lurnum dentatum AITowwood

2'-3' 1,lgr) ...,' -5' L:

6&[', [',&[',

, . h I,lg, ?',,' "-'-';

B6~B

hig" ) ~; i !

..,' L.

PZR U\l~!,J

(liqh

HEH5ACEOUS

75

Rudl)ecl<ia 'Gollisti'um'

2 y!" old qt. plants pots 11


ADD Al TERNA TE: WOOD DECK

or

cc/\

lC

\/J .

\.V;i路

h


---.

..

OF DISTURBANCE

CEDAR 95 MHWL

LSWITCHGRASS PLUGS PLANT POTS HI路' O.L

---------JlI\~::::;;c '\ SILT FENCE.-----7~

J

r

LCATTAIL & BURREED

~HARD STEM BULRUSH ARROWWOOD

8'路0"

PLANT IN 10" TO 12'" OF WATER PLANT IN 12'" TO 18" OF WATER PLANT IN IT TO 18" OF WATER

j f

. DIAGRAMMATIC CROSS SECTION 4: 1 SLOPE N.T.S.

BLUEBE~RY

tBANDS OF HIGHBUSH ARROWWOOD & CLETHRA


r-----Piarrow-Ieaved Cattail S plants per clump 2 clumps per 20 rt. or bank

f *

8'-0"

II

•I. • I

11·1 •

~,~"',~,~-t--_--t711o

61TIArroutlliwhe:ili!ad s' plants per clu'mp

, clunips per 20 rt. or

bank~

10

pi

1

0

II

0

1

Burree!! ", , S plants per clump 2 clumps per 20 rt. or blank

,J

,I 11*

t+++ "I t + jl

'

*· * I. •· I

II. I.

'

~Marsh Hibiscus

Place in groups of 4-6 locate groups as shown on Planting Plan SP-2 .

N+----~II·1 • 1:1:* I.

J!rush _ _

S plants per clump

110

F

Itt 'I

I

4+---+-1I

Switchgrass plugs Double row 18" O. C.

I

3

"SILT FENCE L1NE/

1+

---------'''''~''-=::::2~:::::::".!:.M£AH

DIAGRAMMATIC PLANTING PLAN TYPICAL 4: 1 BANK N.T.S.

HIGH WATER LINE


AMERICAN SYCAMORE

LIMIT OF DISTURBANCE

SWITCHGRASS PLUGS PLANTPOTS Hr' O.c.

I \I~~ HIBISCUS - PLANT AT CREST OF BANK IN POCKETS BETWEEN CONCRETE BLOCKS PLANT IN 10" TO IT OF WATER PLANT IN I T TO IS" OF WATER PLANT IN 12" TO IS"" OF WATER

j

r

8'-0"

J '

DIAGRAMMATIC CROSS SECTION 2: 1 SLOPE N.T.S.

SEEDED SWITCH GRASS

& RED TOP MIX

BANDS OF HIGHBUSH BLUEBERRY ARROwwbciD &CLETHRA


Narrow-leaved Cattail 6 plants per clump . 2 clumps per 20 feeL BUrreed

5 p larlis per. c lum p 2 clumps per 20 feel.

8'-0"

I •~ • I -I·

~.._~-,---~II cDI 0

. Arrowhead =-ce ....

5 planfs per clump feet. 2 clumps per 20

II

~

1

0

I'

/*:* *1: *1: I I

I

Switcho[1l...§2JlluQs Double row 18" 0, C,

lIt'll.I

tt',

I I I I

_I

110 I 0 IfuW:lilll~_N:-+------li->11 • I • II 1** I .. I 1* ~ · I I •I • I I 0 L 0 * 1-: I 110 r 0 +++: I· \:

I

1

5 plants per clump

I I

2 clumps per 20 feet.

i\ :

/j\ ,_.

-f----- Marsh Hibiscus Place in groups of 4-6 locate g IOUPS as shown on Plim inq Plan SP-2.

1

l

2.

7 APPROXiMATE CONTOUR LINES

SILT FENCE LINE

' \ !.11[1,N 111811 WATER LINE

BANK SECTION

DIAGRAMMATIC PLANTING PLAN TYPICAL 2: 1 BANK


~ '('

ARROWWOOD

~(

TYPICAL LOCATION FOR . PERENNIAL RUDBECKIA 5 PLANTS PER CLUMP

~ ~)~CLETHRA

--'

< u

~~

Cl.

>-

f-

-HIGH BUSH BLUEBERRY

o I

o

N

~,

I

HI GH BUSH BLUEBERRY

...... +

I TYPICAL LOCATION FOR--7(~0

j

! PERENNIAL

RUDBECKIA

5 PLANTS PER CLUMP

I

n

ARROWWOOD

~~

CLETHRA NOTE: SHRUBS TO BE GROUPED IN I RREGULAR CLUMPS OF 3-5 PLANTS . MIX SPECIES AS SHOWN

SHRUB MASS PLANTING DETAIL ~ N.T.S.

1987 Shoreline Stabilization and Vegetation Establishment- Wilmington DE  

The goal of this particular project is to reclaim an existing hazardous and unsightly shoreline that was created In the past by fill materia...

1987 Shoreline Stabilization and Vegetation Establishment- Wilmington DE  

The goal of this particular project is to reclaim an existing hazardous and unsightly shoreline that was created In the past by fill materia...