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REPORT NO. 2
ULTIMATE HEAT SINK SEDIMENTATIONMONITORING PROGRAM -
Illinois Power Co.Clinton Power Station
Clinton, Illinois
Preparedby
Homer L. Chastain & AssociatesDecatur, Illinois
October 1980
0108250646 810821'PDR ADOCK 05000461
~A PDR____
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Ultimate Heat Sink Sedimentation Monitoring Program
Abstract:
Illinois Power Company has established a program to monitor
the amount of sediment build-up on the bottom of the .
Ultimate Heat Sink (UHS) at the Clinton Power Station.
This program calls for annual surveys to measure the
sediment build-up. The first such survey was made during
November 1979. A detailed outline of the procedures used
in conducting this program has been outlined in report
Number 1. The second annual survey was made during
October 1980. Copies of the field notes and calculations
for the October 1980 survey are included in the following
pages of this report.
.
Summary of Findings:
Report No. 1 concluded that no significant measurable
amount of silt build-up had occurred in the Ultimate Heat
Sink from the date of impoundment to November 1979. The
data from the October 1980 survey show that an average
of approximately 0.2 feet of silt build-up has occurred
between November 1979 and October 1980.:
The average bottom elevation for the 30 survey locations
being monitored was 667.7 feet for both the initial and
November 1979 surveys. The average bottom elevation for
the October 1980 survey was 667.9 feet. Based on a top
of pool elevation of 675.0 feet for the UHS, this
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I 0.2 foot difference constitutes a silt volume equal to
2.7% of the total initial volume of the UHS.
675.0' - 667.7' = 7.3' Ave. Depth0.2' + 7.3' = 2.7%
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SUBJECT g.
HOMER L. CHASTAIN & ASSOCIATESygCON 50LilNG ENGINEERS
5 North Country Clab Road Decatur. Illinois 62521 [L is To t Powen +moa\ OF }Pb 7 SHEETd b- ' CHKO.BYI- bb-W PREP.SYOATE
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TABUL ATION OF BOTTOM OF UH6 E-t._.e=vKr i Otw
inmAL Et E.v. Etev.I to-eo. to-eo
PolMT ELEV. FRot4 FRoK ELEv. EL Ev.
N2 FKoM i \ l' 1 1o-80 tilNu+ Mse4us serqAvs6
AERIAL 4 GuRV EY 6uRVEY IN IT I AL. I l ~1 'lELE = V. Et 5V.
| 667 9 66 l. I GG6.8 -O. 1 -O.S
2 668.6 GG S. 4- C G 8.Z -o.G -O.2
3 669.B 467 9 461.4 -Z. 4 -O,t
4 6 G8. 9 6 6 5 .*> G66. 0 - 0. 3 - 0. *=>
9 667.57- 6G~i . B GG7.4 - O.1 - D. 4
6 G7 o. t 6 G l.cl 6679 -E.Z -e
7 6 GS.o 661.8 GG I.9 -O . I +O.'I
6 6G7.9 6 ' . .O 667.| - 0. 8 + 0. I
9 666.O G G S.O 6G7. | - o. 9 - 0. Cl
to GG7.6 G68 3 608.4- + o. 6 + 0. I
ti 640.2 & & S.O C,G S . 4 + 0. 7.- + 0 .4-
12 GG 7. 8 667.6 GG7.8 -G- + 0. 2.
\& 668.2 466.O && b.1 - o. \ +O. \
14 646 9 667.'i 6 G 1.ci -O ,4 G
| t9 4 6 B.O CG7. c1 668.0 0 + o. I
\G G& B.8 646.O &&B. 3 - 0. 6 + 0. 2
l '1 G G 9.O &&B.A G66.9 + 0 .'3 + 0. 9
I9 G G 9. 4- && 1.8:p CG 1.3 + 1, 6 - O, 3
19 &&'T.O &&6. \ &&&.1 4. l . T + 0. 4
20 G A 7. D 4 71.9 4G7-8 o- + 0.P
21 Gb8. 0 6 & 't. 4- 601.1 -o.3 + 0.'9;
22 0 6 4.B 6 GP. 8 6659 + l.1 +0 I'
29 666.7 6G 19 6 0 1. G + 0. Cl +o.9
24 6 6 7.4- 667.9 666.4 +t.O + 0. 9
29 6 G 1.''7 6680 GG8.7 +06 + 0. >
26 #G ~7, 7 C G 6.Z 6 6 7. cr + o . z. -0.3;' 21 46'7.6 &&8. 0 668.0 +o. L c
28 C&8.4 GG6.9 G68.9 +0 . '> + 0. 4
Ecl 6 G O.Z 6 G4,6 C G 1.) &l. 9 + 2. 9
30 && 7.'Z 6 & f5. 9 666.8 + 1. 6 + 0. 9
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__ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _ _
ph* j) DEPARTMENT OF THE ARMY% j ROCK ISLAND DISTRICT, CORPS OF ENGINEERS
l w CLOCK TOWER BUILDING, ,
~ ROCK ISLAND. ILLINOIS 612o1
jggQNT N OP:
. NCROD-S-070-0X6-1-08220Z 1
Mr. Jene L. RobinsonIllinois Power Company500 South 27th StreetDecatur, Illinois 62525
Dear Mr. Robinson:
Inclosed is a Department of the Army permit authorizing work in conjunctionwith the placement of a revetment mat along the Nore.h Fork of Salt Creek nearClinton, Illinois.
Also inclosed is a "Untice of Authorization" which must be posted at the
project sice.
If any material change in the plans or the work authorized herein is foend to
C.-be necessary,_ revised plans most be submitted to this ef fice for the DistitetEngineer's approval before work thereon is begun. A representative of this
office will make periodic inspections of the work.
The cooperatior, you have shown during the processing of your permit isappreciated.
w.Should you have any questions pertaining to your permit or if we can be ofassistance in any of your future projects, please contact our Pegulatory
,
j Functions Branch by lecter, or telephone Mr. Cecil Deitrich, 309/788-6361, ,
"
I extension 213.
Sincerely, jw,;
/
| 2 Inc1 HENRY C. FIESTER, P.E.1. Permit No. 08220Z Chief, Operations Divisionl ..
2. Notice of Authorization ,/'# *,
|/4 4
| Copy Furnished: .
US Army Corps of Engineers ggE
g gQ f ~3_Peoria Project Office p-Foot of Crant Street 2
,
|Peoria, Illinois 61603 (w/ incl 1)
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< - NCP.0D-S-070-0X6-1-09220Z~
19 NOV 1980Mr. Jene L. Robinson
, j Copies Furnished: (Continued)'
Mr. Jay C. HenrySopervisor, Biological Programsi
; 500 South 27th Street'Decatur, Illinois 62525 (w/inel 1)
Mr. David R. Boyce, P.E.! Chief Floodplain Ihnagement Et gineer: Division of Water Resources'; Illinois Department of Transportation ~-
2300 South Di ~ *n Parkway ,
; Springfield, Illinois 62703.
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DEPARTMENT OF THE ARMY
CORPS OF ENGINEERSr
.
! NOIlCE Of AUTHORIZATION.
,
19 November 1980.
- A PERMIT TOperform work in conjunction with the ,1acement of a revetmentmat along the shoreline of the North ><ck of Salt Creek ,
(Clinton Lake) near Clinton, Illinois. :
ATSection 22, Township 20 North, Range 3 East in DeWitt Ccunty !
, IL.i( HAS BEEN ISSUED TO
ILLINOIS PO'n'ER COMPMW ON 19 Nov. 1980ADDRESS OF PERMITTEE 500 South 27th Street, Decatur, Illinois
;
|62525
PERMIT NUMBER NCROD-S-070-0X6-1-082202PERMIT EXPIRES: 31 December 1983 _
for ti. !"ct Enfam '_
Ed'"" '"'4
THIS NOTICE MUST BE CONSPlCUDUSLY DISPLAYED AT THE SITE OF WORK.:. _ _ _
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Ap' lication No.*
p
Name of Applicant i1Iinois Power Company
19 N vember 1980Effective Date
Expiration Date (tf applicablel 31 December 1983
DEPARTMENT OF THE ARMYPERMIT
Referring to written request dated for a perrnit to;
)(X) Perform work in or affecting navigable waters of the United States.upon the recommendation of the Chief of Engineers, pursuantto Section 10 of the Rivers and Harbors Act of March 3,1899 (33 U.S.C. 403);
hl Descharge dredged of fell rnaterial into waters of the United States upon the issuance of a permit from the Secretary of the Armya4fing through the Chief of Eng.neers pursuant to Section 404 of the Federal Water Po!!ution Cor- 58 ut (86 Stal.816, P.L.92-500);
I ) Transport dredged material for the pur. ose of dumping it into ocean waters upon the issuance of a permit from the Secretary of theArmy acting through the Chief of Engineers pursuant to Section 103 of the Marine Protection, Research and Sanctuaries Act of 1972(86 Stat.1052, P.L. 92 532);
II1inois Power Company500 South 27th StreetDecatur, lilinois 62525
h hereby authorised by the 5estetary of the Arr9y:perform work in conjunction with the placement of a revetment mat. An 800-to
foot-long by 36-foot wide section of shoreline will be shaped to a 3: 1 slopeand covered with a nylon fabriform mat filled with sand-cement mortar 4 inchesthick. The area, from elevation 686 to 695 above m.s.l., will require approxi-mately 330 cubic yarc's of fill material, slightly over half of which will be
{below the ordinary high water mark,
along the shoreline of the North Fork of Sult Creek (Clinton Lake)in
Section 22, Township 20 North, Range 3 East, near Clinton, DeWit't County, Ill.at~
s
in accurdante with the plans anJ Jrawings attatheJ hereto which are incorporated in and made a part of this permit (on drawings: giveI fate number ur other definite iJentifiution markt)!
|
tiaps No. 08220Z: Proposed revetment mat south of screenhouse at Clinton PowerStation, Sheets 1 through 3
subjett to the following sondations
1. General Conditions-
a. That ait activities ident.f ed and authorized herein shall be consistent witF the terms and conditions of this permet; and that anyactivities not specifically iden Pd and authoriled herein shall Coristitute a woolation of the terms and conditions of this permit whichmay result in the modifsCa Jr'. sJ5 pension of revocation of this permit, in whole or in part, as set forth more specifically in GeneralConditions or k hereto, e id in the institution of such regal proceedings as the United States Government may consider appropriate,whether or not this permit has been previously modified, suspended of revoked in whote or en part
i
[ 1721 EDITION OF 1 APR 7a IS OBSOLETE lER 1945 2 303)ENG,
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b. That att activities authocered herein shall, if they envolve, during their construction or operation, any d.scharge of pollutants into| waters of the United States or ocean waters, be at all times consistent with appbcable water quataty standards effluent limitations and!
standards of performance, prohibitions, pretreatment standards and rr anagement practices estableshed pursuant to the Federal Water -- Potiution Conteof Act of 1972 (P.L. 92 500. 86 Stat. 816), the Marme Protection, Research and Sanctuaries Act of 1972 (P.L.92-532,
86 Stat.1052), or pursuant to applicable State and locallaw.
c. That when the activity authorized herein involves a discharge during its construction or operation, of any pollutant (includingdred fd or fill materiali. mto waters of the Uneted States, the suthorered activity shall. if applicable water quahty standards are revisedce mod 8 ed daring the term os this permit. be mcdified. if necessa*y to conform with such revised or modified water quatity standardse
within 6 months of the ef fective date of any revision or modification of water quahty sta9dards, or as directed by an implementat onpian contamed in such revised of modified standards, or withm such longer period of time as the District Engineer. in consultation withthe Regional Administrator of the Environmental Protection Agency, may determine to be reasonable under the circumstances.
d. That the discharge weit not Astroy a threatened or endang-red species as identified under the Endangered Species Act, or6ndanger the critical habitat of such ss,u es.
e. That the permittee agrees to make every reasonable ef fort to prosecute the construction or operation of the work authoritJherem m a manner so as to mmemite ans adverse empact on fssh, wildlife, and naturst environmentaf values.
I
f. That he permittee agrees that he will prosecute the construction or work s sthorized herein in a manner so a :o minimize anydegradation of water cuarity.
g. That the permittee shall permit the District Eng neer or his authorized representative (s) or designeets) to make periodicinspections at any time deemed necessary m order to assure that the activity being performed under authority of this permit is inaccordance with the terrns and conditions prescribed herem.
h. That the permittee shalt maintam the structure or work authorized herein in good condition and in accordance with the plans anddrawings attac%d hereto.
6. That this permit does not convey any property rights, either in real estate of material,or any enclusive privileges;and that it doesnot a;thorire any mjury to p operty or mvasion of rights or any mfringement of Federal, State or local laws or regulations nor does itcbviate the requirement to obtain State or tocal assent certuired by law for the activity authorized herein.
j. That this perrvet may be summarily suspended, m who'e or m part, upon a finding by the District Engineer that immediatesunension of the activity authorsted hereen wculd be in the general pubbe interest. Such suspension shall be effective upon receipt bythe permittee c.f a written notice thereof which shall endicate (1) the extent of the suspension. (2) the reasons for this action, and
C imminent hazards to the generat pub'ic meerest. The permittee shaf t take immediate action to ca.mpty with the provisions of this notice.(31 any corre:tive or preventative measures to be taken by the permittee which are deemed necessary by the District Engineer to abate
Within ten days following receipt of this not.Ce of suspension, the permittee rnay request a hearmg in order to present informationrelevant to a decision as to whether his permit should be reinstated, modified or revoked. If a hearmg is requested.it shall be conducted
; pursuant to procedures rarescribed by the Chief of Engmeers. Af ter completion of the hearmg. or within a reasonable tirne af ter issuancei of the suspension notice to the permittee of t'o hearmg is requested, the permit will either be remstated, modified or revoked,
k. That this permit may be either moddied, suspended or revoked m whole or in part if the Secretary of the Army or his authorizedrepresentative determmes that there has been a violation of any of the terms or to .ditions of this permit or that such action would
' etherwise be in the public interest. Any such mod hcation, suspension, or revocation shall become eifective 30 days af ter receipt by thepermittee of written notice of sach action which shall specify the f acts or conduct warranting same unless (1) within the 304ay periodthe permittee is able to satrsfactordy dernonstrate that (a) the alleged violation of the terms and the conditions of this permit did not, mf act, occur or ibl the a:leged violatioe was accidental, and the perm:ttee has been operatmg in cornpfiance with the terms and conditrons
| of the permit and is abie to provide satisfactory assurances that future operations shall be m full comphance with the terms andconditicns of this permit, or (2) withm the aforesaid 30 day period, the permettee requests that a public hearing be held to present oraland written evidence concernmg the proposed modification, suspension or revocation. The conduct of this hearing and the proceduresfor makmg a fmai decision either to modif y, suspend or revoke this permit in whole or m part shall be pursuant to procedu es prescribedr
by the Chief of Engmeers
f f. That m issuing this permit, the Government has relied on the information and data which the permittee has provided in conneCleonI with his permit application. If. Subsequent to the issuance of this permit, such information and data prove to be false, incomplete ori maccurate, this permit rrav be modified, suspended or revoked, in whole or m part, and/or the Government may,in addition. institute
appropriate legal proceedings.
m. That any modification, suspension, or revocation of this permit shall not be the basis for any claim for damages against the
| United StatesI
[n. That the permittee shall notefy the District Engmeer at what time the activity authorized herein will be commenced, as %r in
' advance of the time of commencement at the District Engmeer may specify,and of any suspension of work,il for a period of raore than,
one mek, resumption of work and its completion.
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Farmer CityNce tit //,Fork*
/ Co:inty Reut: 10 Bridge '/
Pabnell ge
'
Proposed Erosion er geControl 4h 3
L \ !
, } } Route SB ' \/
01:cnary - -. . ,
J , ,' V' f 'Clinton ou e 48..,, _
intakc[Ib dTenmileCreek County
t g, Route 14m1,
C N3k*/ state Reute 10 -
reek .
salt Cree Ncauging Key.l
-
*
stationPlant Site Boundary 0 1 2
Kenney ' - * Discharge Canal 3c,'3, ,,'g,3,3,|
7Rowell
PROPOSED REVETMENT M AT SOUTHOF SCREENHOUSE AT CLINTON
vicinity Map POWER STATIONClinton Lake, Illinois C LIN TO N , IL L INOlS.
DEWITT COUNTYAPPLICATION BY ILLINOIS POWER'
CO MPAN Y
SHEET I of 3 D ATE : 8 /18 / 80,
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11 0 ' 800'p___
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PROPOSED REVETMENT MAT 3
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b .H.W. E L . 69 2'- 0" 'f'h O- -
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I EXISTING SHORE LINE NORM AL POO,L EXISTINGEL. G 9 0'- O s
web_ g TREELINE- -
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TOE OF SLOPE S68'-0"
CLINTON LAKE s'- sSCREENHOUSE v w %
v.<-NOTES. l.9 LOPES SHALL BE SHAPED TO AN
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h COMMON CONSTRUCTION EQUIPMENTr 'S 2odoIg] (DOZER ,8-FRONT ENDLOADER ) .m
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9. g o @j= p A U 2. APPROXIMATELT 330 CU. YDS. S AND -'
W Z zrHID CEMENT MORTER WILL BE USED IN <gomjEd@) ALL REVETMENT WORK.02> -< mm
ep mj 3. DATUM IS N.G.V.D. of 1929m
r >mh k 4. PURPOSE IS TO ELIMIN ATE Soll
0 EROSION AND PROVIDE SURFACEC 5 gy E> FOR WAV E ACTION
T H". o $ PLANm E z$s m 0 40 80 120 240 -
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* 7dO- 3 HEAT SINK SLOPE O.H.W. E L. 6 9 2'- O"
O. L.W. E L . 6 8 9 '- O"g
EROSION NORMAL POOL EL. 690'-O"695 - /A)j,
690- Vgypas~ ~ ~ ~ ~ .
HEAT SINK SLOPE *-''.%685- BELOW NORM AL POOL I ',,
5680 -
TYPICAL EXISTING CONDITION SECTION |0 10 20u d ,_ k u m m w
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690 - 2'-O" ANC HORTRENCH BACKFILLED ._
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AFTER INS TA L L ATION'
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TYPICAL PROPOSED REVETMENT MAT SECTION- 0 10 20
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SCALE: 1 "= 10 *- O ".
i PROPOSED REVETMENT MAT SOUTHOF SCREENHOUSE AT CLIN TONPOWER STATION
[. - CLINTON , IL LINOISDEWITT COUNTY .-
APPLICATION BY ILLINOIS POWERCOMPANY
SHEET 3 of 3 DATE .' 8 /18 /80
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1111NOIS Ehvironmental Pfatection Agency~
% D.Eih 3Wewse 1 2200 Churchill Road, Springfield, Illinois 62706iSZila d i
217/782-2909
Illinois Power Company (DeWitt County)Shoreline Revetment - Clinton LakeLog #C-488-80
2#October 3,1980 g93
Department of the ArmyRock Island DistrictCorps of EngineersClock Tower BuildingRock Island, Illinois 61201
Gentlemen:
This Agency received the attached on September 29, 1980, from theIllinois Power Company requesting the necessary cornnents on environmentalconsiderations for the construction of an 800 foot long shorelinerevetment, involving the regrading of a Clinton Lake bank segment to a3:1 slope, and the installation of a f abri-ferm mat using approximately330 cubic yards of sand and cement. We offer the following comments.
Based on the information included in this submittal, it is our
C engineering judgment that the proposed project may be completed withoutcausing water pollution as defined in the Illinois EnvironmentalProtection Act, provided the project is carefully planned and supervised.
These comments are directed at the effect on water quality of theccnstruction procedures involved in the above described project and isnot an approval of any discharge resulting from the completed f acility,nor an approval of the design of the f acility. These cornnents do not~supplant any permit responsibilities of the applicant towards this Agency.
This Agency hereby waives certification under Section 401 of the CleanWater Act (PL 95-217), subject to the applicant's compliance with the ,
"'-following conditions:
1. The applicant shall not cause:
violation of applicable water quality standards of the Illinoisa.Pollution Control Board, Chapter 3, Water Pollution Regulations;
b. water pollution as defined and prohibited by the IllinoisEnvironmental Protection Act; and
c. interference with water use practices near public recreationareas or water supply intakes.
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k- 2. The applicant shall institute, as appropriate, those constructionprocedures set forth in EPA #430/9-73-007 entitled, Processes.Procedures and Methods to Control Pollution Resulting from allConstruction Activities, dated October,1973, and any otherprocedures necessary to prevent water pollution in the stream due tothe activity during the project construction period.
3. Any spoil material excavated, dredged or otherwise produced must notbe returned to the river or stream but must be deposited in aself-contained area in compliance with all State statutes,regulations and permit requirements with no discharge to the watersof the State unless a permit has been issued by this Agency. Anyback filling must be done with clean material and placed in a mannerto prevent violation of stream water quality standards.
4. This waiver becomes effective when the Department of the Army, Corpsof Engineers, includes the above conditions #1 through 3 asconditions of the requested permit issued pursuant to Section 404 ofPL 95-217.
This waiver of certification does not grant irm: unity from any enforcementaction found necessary by this Agency to meet its responsibilities inprevention,' abatement, and control of water pollution.
( Very truly yours,'
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O% fThomas G. McSwiggin, P.E.Manager, Permit Section ,.
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Division of Water Pollution Con
TGM:BY:mgg4346b/3--
Attachmen t
cc: IEPA, DWPC, Records Unit , _ . _ ,DWPC, Field Operations Section, Region 4100T, Division of Water Resources, SpringfieldUSEPA, Region VIllinois Power Company
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1st October 83o. That if the activity authorited herem is not started on or before d3y of 19fone year from the date of issusace of th s permit unless otherwise specifiedi and is not completed on or before 3ISIdJy of Decembe ** 19 d3 _ f three years from the date of issuance of this perm t unless otherwise specified) this permit. ifi
not previously revoked or speCifsCally enterided, sheet automatically espere.
1 p. That this permit does not authorize or approve the Construction of partsCuter structures, the authorization or approval of whsChmay require authorization by the Congress or other agenc es of the Federal Government.4
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j q. That if and when the permettee desires to abandon the activity authorized herein. unless such abandonment is part of a trans'er1 procedure by which the permittee is transferrmg his interests herein to a third party pursuant to General Condition t hereof, he musti restore the area to a condition satisfactory to the District Engineer.
r. That if the recording of this permet es possibie under appl cabte State or local law, the permittee shalt take such action as may b.necessary to recoed this permit with ISe Reg. ster of Deeds or other app *opriate official charged with the responsibility fo* mairita ninga
.records of title to and interests an real property.
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s. That there shalt be no unreasonable interference with navigat.on by the existence or use of the activity authorised herein..
i. That this permit may not be transferred to a th.rd party without prior written notice to the District Engineer, either by the, . transfe++e s we iten agreement to comply with all terms and conditions of this permit or by the transferee subscribing to this permit in
the space peuvnfett IFlow and thcetby agreeeng to comply with all terms arg onditions of this l'ermit. In addition. if the permittee,
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transfers the interests authoritect herein by Conveyance of really, the deed s au .Urence that permit and the terms and Conditionsspecified herein and this permet shall be recorded along with the deed with the Register of Deeds or other appropriate of ficial.
. If Specal Conditions: (Here list conditions relating specifically to the proposeil structure or worlt authorized by thes permsth(
) Conditions 1 through 3 listed in the attached letter from the Illinois Environ-mental Protection Agency, Log #C-488-80 dated 3 October 1980, are considered tobe a part of this permit.
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The following Special Conditions will be applicable whsn appropriata:
STRUCTURES IN OR AFFECTING NAVIG ABLE WATERS OF NE UNITED STATES:a. That this permit does not authorite the interfeeence with any esisting or proposed Federal project and that the permittee shall not
be entitled to compensation for damage or injury to the structures or work authorized hetern which snay be caused by or result from~ esistmg or future operations undertaken by the United States in the public interest.
b. That no attempt sha'l be made by the permettee to prevent the full and free use by the public of all navigable waters at or adjacentto the activity authorized by this permit.
c. That if the display of fights and signals on any structure or work authorized herein is not otherwise provided for by taiv, suchlights and signals as may be prescribed by the United States Coast Guard shall be instatted and maintamed by and at the expense of thepermitt ee.
d. That the permittee upon receipt of a notice of revocation of this permit or upon its expiration before completion of theauthorized structure or work, shalf, without expense to the UniteJ States and in such time and manner as the Secretary of the Army orhis authorized representatsve may direct, restore the waterway to its former conditions. If the permittee fails to comply with thedirection of the Secretary of the Army or his authorized representative, the Secretary or his designee may restore the waterway to itsformer condition, by contract or otherwise, and recover the cost thereof from the permittee.
e. Structures for Emait Boats. That permittee hereby recognizes the possibility that the structure permetted herein may be subject todamage by wave wash * rom passm; vessets. The issuance of this permet does not seheve the permittee from talimg all proper steps toinsure the integrity of the' structure permitted herem and the safety of boats moored thereto from damage by wave wash and thepermittee shall not hold the United States hable for any such damage.
MAINTENANCE DREDGING-a. That when the work authorized herein includes periodic maintenance dredging. it may be performed under this permit br
O years from the date of issuance of this permit f ten years unless otherwise indicated);
b. That the permittee well advise the District Engmeer in writmg at least two weeks before he intends is undertake any maintenancedredgmg.
VISCHARGES OF DREDGED OR FILt. M ATERI AL INTO WATERS OF THE UNITED ST ATES.a. That the discharge will be carried out in conformity with the goals and objectives of the EPA Guidehnes established pursuar's to
Section 404(b) of the FViPCA and pubbshed in 40 CFFt 230,
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b. That the discha ge witt consist of suitabfe materiat free from toxic pollutants in other than trace quantities:
( c. That the fett created by the discharge will be pecperty maintained to prevent erosion and other non pomt sources of pottution; and
d. That the discharge will nat occur in a component of the National Wi d and Scenic Rever System or in a component of a State wildland scenic river system.
DUMP!NG OF DREDGED MATERI AL INTO OCEAN WATERS;a. That the durnomg witi be carried out in conformity with the goats, ob ectives, and requirements of the EPA criteria estabbshedi
pursuant to Section 102 of the f.*arir e Protection Research and Sanctuaries Act of 1972, putJeshed m 40 CFR 220-228.
b. That the perm.etce shall place a copy of this permit in a conspicuous place in the vesset to be used for the transportation and/ordumping of the dredged material as authorized herein.
This permit shalt become eff ective on the date of the District Engmeer's signature.
Permittee hereby accepts at d agrees to compty with the terms and *onditions of this permit.
I , gp) f, November 18, 1980, ,
PERMITTEE DATEt
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BY AUTHORITY OF THE SECRETARY OF THE ARMY;
||- / Whi r
DATE
F. W. MUELLER, Jr., Colonel -
DISTRICT ENGINEER,U.S. ARMY, CORPS OF ENGINE E RS
; Transferee hereby ag ees to compsy with the terms and conditions of this permit.
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TR ANSF E R E E DATE
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THE PREPAMT CONCnETE CO.,
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$USSaDIAR1r OF 6221 THATCHER HOAO'
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INTRUS10N PREPAKT. INC. DOWNER $ GROVE ,6 8, 41 $
PMONE: 312.h41oo,
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A double layer form of industrial grade, /* ,h-. nylon fabric, much like an immense
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- .' .g UN Qjy envelope, is shop assembled to fit your' '
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,Ac' s.\ 2 $) h g.. J % topography and delivered to you ready tol'
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.-J.g.KQy .3 g.:-3 be filled with pumpable sand /cernent
' %@dQ4 SM,?-] mort ~ar to provide economical and reli-' ~ '' 'pc , . , . - ":.. .
@' ". ,y .h..a.. -QT - )) able slope protection. As easily installed
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M , ) . ! * c' ' ''.' soiland water meet, Fabriform is the'
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Econo mical. Faoriform reveiments are ic 7 m.6 |, yconstructed by injecting mortar into preassembled , - g p*%
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forms of double layer fabric which has been /
g[A['N f *. 1 ' 5,h. 3% . %' ,spread out on the slope to be protected. Under ' *
water or in-the-dry, material cost is predictable, ,- < it - . qq,4.'
labor cost is low, and no dewatering is needed. 4 % & D ./- |
For most applications, the two layers of fabric ~
ft'.r Po c1ng r.%; ,, s Tare woven together at spaced filter points. When o..cp f,
filled with concrete the textured surface has a7{y.k'..D.. d,
cobblestone appearance with filter points, ,. , :j .[~
| functioning to relieve hydrostatic uplif t. . . ' . . , .,7'.,
Where low permeability and low hydraulic,
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friction are required, the two f abric layers are held ,\:. N . , #9_
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In a parallel relationship by a grid of spacer - M, l.:. [,- k$p hD Jp-
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ties on 1" centers to form a revetment of " uniformbh'~ v.'. /N.W
Uniform cross f' secut nw
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('[rk N.h %.;.cross section:' section style - 4- f* '
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' ( . - . , ' -3,9;'iy'.4 .g4double layer fabric woven of bulk textured DuPont i (. 4
- M' . .Cordura* nylon fiber in a warp of tire cord for I8 FA8RIFORM.
** "Mh"}'O' N(4/;%; . ' ' -
optimum strength, stability, adhesion, and 5 [ ,'-[ . hh[ ~
m8filtering characteristics. E\ Controlled bleeding of excess mixing water {h
f[couthii0Nuthrough the fabric produces all the desirable "jd h 8 , ' t.rg
, features of low water / cement ratio mortar,g,.. 5o eM-Qx .1|/'-%
rapid stif fening, durability, high strength, and E$'
, vhabrasion resistance. Curves show actual test 5 - --K"Q' .'Y ,q
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, , values from ten widely separated jobs compared ~
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with tests on companion specimens cast with 7 - 2g a. The discharge canat or'
identicalmortarin conventionalmolds. - AGE IN DAYS VEPCO's nuclear power ;.
at surry VA as protected t'- n Lg 384.250 f t.'of 8" FP Fabr.UUI8Ule.Fabriform revetments pr' tect the -oshoreline of Allegheny reservoir above Kinzua kx.y ,
- --r ., revetment.
dam alongside a highwayin southwestern New * hr '% 1aN"O ?/: b. The 1 % :1 banks of the M"P NoVEMB ER 1968'
dam reservoir near Tokyo.
Mig " * [," **" ' * ,'apan are r d,9rm c$York.The U.S. Army Corps of Engineers in gyg{3)'a * '"
, n, ,,, ,n ,cooperation with the N.Y. State DOT installed g. ( ' ,, instanation as the locally woven f abric.130,000 it.8 of 8" Filter Point style Fabriform on a mp g, poonevenecedesQ '#gp ' I ,hof s f)
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81s fah c. F P '. 53 f t. embankment sloping 1 % : 1 from 7'above ' '-
andhigh water to low pool. Much of the revetment ,
discharge canais of a fostwas installed at high pool under 20'or more of . g ,' fueled power plant in Flori
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water.Through more than ten tough winters,'with Eice up to 24" thick, high winds and wat 3, ~* 2 "P*
ToDAY * p,,- p ,', Q .['~,u. weather, and rapidly fluctuating po.ollevels, slope Fabriform is stm . , -| , ~1,. ,
protection remains fully elfective and completely # Ni7n,)9
?g" h. ;y"j -smaintenance free. elfectively as the* p
day it was M'd.* i '- -' p.N5'
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TECHNICAL DATA- -
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Tha fabric used in Fabriform construction has been designed to serve as a 5g [filt:r es well as a form. The highly fluid mortar pumped into the fabric forms =o f
till typically be mixed at a water / cement ratio in the 0.70 to 0.75 range. Excess t"mixing water is squeezed through the water permeable fabric causing a pro- 3nounced reduction in the water / cement ratio. Curves show actual compressivestrength of Fabriform test specimens, averaged from ten widely separated jobs y ycompared with tests on companion specimens cast with identical mortar in
AM IN DAYScony ntional molds..
HYDRAULIC FRICTIONCarafully controlled tests conducted in England in 1972 indicated that, for 8" Filter Point reve'tment, the ~
coefficient of hydraulic friction "n" as used in the Manning Formula varied from 0 023 to 0.030. dependingon depth and velocity in a straight reach of trapezoidal channel. A value of 0.025 is suggested for designpurposts.The "n"value of UCS revetment has not been determined experimentally. A value of 0.012 issugg:sted. -, ,
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DURABILITY OF NYLON _,
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Nylon is immune to attack by mild acids, alkalis, organic solvents, and biological organisms. While the upperlay r of nylon fabric may p_a_ffected by stro 1 sunlignt and by abrasion, the utility of a Fabriform installation
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will not be impaireJ as evideaced by 10-year service fecords. Sdl which accumulates in the saddles bet-w cn nodules in the deeply textured Filter Points will protect the. s areas. Where appearance is an importantconsideratiort; the revetment may be spray coated with dilute co ored acrylic emulsion to protect the fabricOn th3 crowns of the nodules against ultraviolet light. -,
STREAM VELOdlTY [Wit:r velocity over 8" Filter Point revetments at an installation in Columbia. Md., based on data from streamgauging stations, was determined to be about 13 ftJsec. An installation near Bedford. Iowa, was designedfor a maximum velocity of 20 ft. per second. Documentpd measurements during flood conditions at thissits indicate a maximurn flow of 7640 cu. ft/sec. and d spcity estimated to be in the range of 15 to 18 ft1sec.
1 /WAVES AND CUFIRENTS IN SHIP CHhNNELS '"En*s'h7c"a'nS"*""Wave' and currents generated by the piston effect of large vessels moving site H Vs
, through ship channels represents one of the most severe challenges to the $* fFabriform erosion control system. Values shown here for an installation on the
8'"""'"" ' 'Savannah River were estimated by observers at the site. Wave and current data names a. ' 2 24at ths Thames River installation near Chatham, Ontario, are measured values. .
''
.8 Esumated Man. Wave on Lakes. .
LAKE WAVES ' I sn. v. r s,
! Actual measured maximum height of lake waves is rarely available and reported $"g Fgtch Wged
observations are of ten misleading. Values shown here are based on the Molitor**8''" sformula using measured fetch and assumed maximum wind velocity. ].,
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*n = o.sTWi + 2.s -WEFFECT ON pH OF SURROUNDING WATER| Laboratory tests have demonstrated that cement lost through fabric will average about X% of cement; content with a maximum of %, equivalent to about 3000 gm of cement per cu. m. of mortar pumped. Tests
have likewise demonstrate that the addition of 50 cms of cement to a cubic meter of mortar will raise the'
pH value about 1.0, well wit in the normal rqnge of pH variation in potablo water-typically 7.0 to 9.5. Fromthis3 facts it may be demonstrated that raise in pH will be limited to no more than 1.0 provided that:
1. In stagnant water-total volume is at least 60 times the volume of concrete pur.'oed.2. In moving water-the rate of concrete injection in cu. yds /hr. does not exceed tne rate of water flow
in cu. yds / min. .I.
- - - -:~' See other side for additionalinformation.*.
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Economy for the client Sixsteps to a fast andeasy I
installation !g' '0 Fabriform can be placed on steepslo 3es to give more useable land '
-| -Determine rromwit l iess slope to protect. .
Topograpnic data-
o No filter underlayment necessary on the area or tabric '3 --'
bri '?9ui'ed. conteen wiiiw
most s.o.ils. Fa.lt . form has filterinO submit f abric as-capability bui in. /,emni,o,,,,ngsio, t
c No need to revet an entire slope j"st You' *pp'oa8- ( Yb cause rocks roll down hill. Protect
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'*'only the area subject to erosion. \ , .y.y googn g,,ac in,, . . N ,',.k,z
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surface to be pro. '
C ,. ' ,3 'g lected. An ancnor.
Economy for the contractor %.q 8ti.QW Ye'|u "e':t ,"n Lwnc ''
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of ine siope.
oThe big risk on any job is the cost of - - - - -
labor. Material cost is a known- p n. ~4 g''kg'.
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factor.On a typical Fabriform job, Join ne radric paneis 3 *' smaterial represents about 80% of la the lield *'th * .i\ ? '
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cost. Labor, equipment, and field - " '''$',$n*2 ig* (' ' sb.
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m cn!Overhead together account for only panels win range up s
about 20%. to SMo n.' ea'n- ~ '-
o Production rate is very high. A 5 or 6:'
x" |/ Pumptransitmixed-
man crew will average about 5000 N '' ift.2.per shif t on routine jobs. i -- - -
- r, sanoicemeni mortar| o Mobilization cost is low - a pick up " hC__h |' , c',h* '^gi'.d"a 'f p,c
P,truck, a grout pump with some hose, _
gtp ;- be io to 12 cu yos. t~. ..
and a small portable sewing ma- % M.y gheaz -~ ~ ''
g.per hour.chine and you're ready to go to work. f
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Filline fabric in tne. w 3*
ancnor trencn first. ,(p ' Q,
for Case histories use ay,igunytne y , 7,
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Technical data laseri pipe to make a do .
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'''''"'' 'S"''''' i l- .W h-Fabric ordering information -
Detailed field instructions . . .w , .m - C compieie rining tne,. . . .
' QTIM- U rabric ey working de ~ . - -
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CONSTRUCTION TECHNIQUES,INC. '
'11900 Shaker Boulevard . Cleveland, Ohio 44120Phone:216 623-0679 * Telex 98 5674
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TECHNICAL MEMOFIANDUM - INSTALLATION.=
of pozzolanicqualityflyashforupto35%of the*
Order.ing Fabric. cement is particuiarty recommended as an aid to-.
1. Fabric panels are assembled to order in .- pumpability. -
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cccordance with shop drawinOs prepared by the 2. Excess mixiag water expelled through the ,
installer. Prepare a sketch of each dallerent panel permeable Fabriform f abric will reduce th? volumesiza that will be required. instructions for of 27 cu. f t. of wet mortar to about 23-1/2 cu. f t.pr paration of fabric shop drawings are available of hardened mortar as illustrated by the followingcn request. Alternatively. Contech will prepare typical mixes,shop drawings at nominal cost from topographicdata furnished Rango of Quantitles - In Pounds Per Cu. Yd.
2.In making a preliminary estimate of the quantity Material As Delivered in Placeof fabric required. allow 20% for fabric assembly ' Cement 700-900 800-1000 Icontraction which occurs as a result of filling with Sand 2200-1800 2500-2000
520-630 400-500mortarand for surIaceirregularities. ' Water -
3. A firm ouotation for assembled fabric wit! be3. Mortar consistency should be in the 9-11 second
range through the 3/4" orifice of the standardsubmitted upon receipt of shop drawings. -
4. A minimum f abric inventory of 500.000 sq. ft. is $p$cYc t oni C9normally maintained. Normal production is 25.000sq. ft. per day with delivery to start ten days from Mortar Pumpingreceipt of assemblydrawings. 1. Insert the injection pipe through a small slit cut in
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Slope Preparation the upperlayerof fabnc.wra,a mece of burlap ,
h $ act as a packer. Use care to1. For the sake of appearance, revetments shoufp be p h0yd out spi la .
placed over relatively smooth surfaces. Minor. 1Irregularition are tolerable for the Filter Po6nt . 2. First Dump the upper edge of the mat which hasconfiguratic .i. Since their eflect on appearance will been placed in the anchor trench, followed bybe obscured by the deeply textured surf ace of injection into the lower edge, working back upthe mat. ' .
the slope. Avoid cver pressuring of the fabric.
2.The upper anchor trench is most conveniently 3. In flowing water, pump the'upsiream edge of theplaced at the crown of the slope. mat first. Maximum allowable water velocity using
'outin nstallation procedures. is about 3 ft.3[ Place fabric immediately fol'owing grading and
_ pg,slope preparation. , - ,
. Do not walk od the mat for about one hour af ter j
4. lf backfilling is necessary, use compacted granular pumping or when footprints willleave indentations. ,
material. If silt content is over 20%. place a spun-- bonded filter cloth underlayment. . .
C. Remove burlap from insert holes and smooth i, mortar by hand.
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C Demd 6. Clean up mortar spilled by hand. Do not wash(a1. Position fabriclooselyalong the bank before . - down mat with a water hose.grout injection. Stake f abric at predetermined 7. A typical crew consists of a foreman, pumplocations to allow for fabric contraction. Do not =
approximate f abric locations. Measure dimensions *, operator. and three or four laborers. A diver may-
be necessary for injecting mortar under water.on the ba~nk and stake at about 20-It. centers. j. ' Pumping rate will vary depending on site
| Ssams should be generally perpendicular to the j- conditions. On large jobs, placement rates up toshoreline for best appearance. -' ,. 6.000 sQ f t. per 8 hour shifI are regularly
2. Fabric panels are joined in the field with a bag achieved. '
Closer (portable sewing machine). Lay out the first .
4panel and f old .back the leading edge. Invert the Equipment gadlacent abutting panel. Join the top layers of 1. Pumping capacity should be about 12 cu. yds. per .
fabric. Join the bottom layers of fabnc. Fold the hour. Equipment which has been successfully |joined panels back on the bank with the seams '
used includes the Thomsen Model 4.5 Mayco, **' down. c Model C-30. Moyno No. 6 frame or larger, or,
3.To avo.d field sewing as much as possible, prepare similar equipment. Use minimum 2 in. pipe ori
Lf;bric assembly sketches in such detail that the hose from the pump to a wye fitting and two 1-1/2,,
great majonty of the sewing can be done prior in. hoses f rom the wye to the fabric.,
.t3 delivery. -
2. For field sewing. Sac-Up machines are suggested.|
I4. Provide each job with a small quantity of uncut. either the ciectric model BB or the air operated| .
unassembled f abric for special field tailoring. * model DBZ. Machines take 1/4 lb. spools of No.d
T 138 BST white nylon thread.: L. Mortar Preparation .-
1.Very fluid sand coment mortar is used in all ! .
Fabriform revetment work. Air content of 5 to 8%| willimprove pumpability of the fluid mortar and
freeze / thaw resistance of hardened mortar. Use a f'r2tarding admixture in hot weather. Substitution .
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tGUIDE SPECIFICATIONS.
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1. GENERAL* ~
The surfaces to be protected shall be prepared and graded to such an extent that they are normally stable in.
the absence of erosive forces. A fabric envelope in a mat configuration shall be p -sitioned over these surfacesand f4!!ed with a pumpaD!e sand / cement grout in such a way as to form a stable mat of suitable weight andConfiguration.
The Contractor shall furnish records cf past success'ul experience in performing this type of work. The Con-invention in the performance of this work. tractor shall save the Owner harmless from liabihty of any kind arising from the use of any patent or unpatented
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II. MATERIALS
A. Grout shall consist.of a mixture of portland cement, fine aggregate, and water i.o proportioned and mixed asto provide a pumpable slurry. Pozzolan and grout fluidifier conforming to these specifications may be used atthe option of the Contractor. The mix shall exhibit a compressive strength of 2000 psi at 28 days when madeand tested in accordance with ASTM C-31 and C-39. ~
B. Fabric forming material shall consist of multiple panem of double-layer. open selvage fabric joined in a matnylon. of which at least 50% by weight shall be bulked continuous multifilament tire cord nylon. configuration. The two fabric laycrs shall each be no honter than 20 x 20 count /inen. 840 denier tire cord1. Filter Point fabric (designated as FP on drawings) 9.all cc9sist of multiple panels of doubla-layer fabric
static uplift pressure. Fi!!er Points shal! be spaced as indicated on drawing. woven together on spaced centers in such a manner as to provide Filter Points for the relief of hydro-2. Uniform Cross Section fabric (designated as UCS on drawings) shall consist of multiple panels of double-
layer fabric joined !cgether by interwoven ties of a uniform length spaced on 1" centers. Hydrostaticuplift relief. where required. shall be provided by sewing together the two fabnc layers at locations andin the ma .ner indicated on the drawings.
3. Individual mill width panels shall be cut tn suitable length and the two layers of fabric separately joinededge to edge by means of nylon thread. The tensile strength of stitched joints shall be not less than 100, lbs. per inch.[
4. Fabric porosity is essential for the successful execution of this work. At the direction of the engineer theContractor shall demonstrate the suitabihty of fabnc design byinjecting the proposed grcut into 6" diametersleeves under a pressure of 10 to 15 psi which shall be maintained by means of air pressure or a stand-
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pipe for 10 minutes. The sleeves shall be constructed of the same fabric used in the indsvidual lavers offabric. 6" x 12" test cylinders shall be cut from eacn specimen and tested in accordance with ASTM C-39.
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The average compressive strength of the FABRIFORM test cylinders shall be at Icat 20% higher at sevendathan that of companion test cylinders made in accordance with ASTM C-31, and not less than 2500ps at 28 days.
Ill. PLACEMENT OF GROUT IN MAT FABRIC.
drior to grout injection. the fabnc shall be positioned at its design location. Grout shall be introduced into theace between the layers of fabric. Where convenient, a .!!acent fabnc panels shall be joined. before grout
injection. by field sewing the two layers of fabric separateiy. edge to edge, except that with the approval ofthe Engineer or where called for by plans, adjacent par ee mc/ be tapped a minimum of two feet In no casewill simplo butt joints be permitted.
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TRADEMARK NOTICE:The word "Fabriform"is a registered trademark of Construction Techniques Inc.(CONTECH). This word is to be capitai.ied or enclosed in quotation marks. or both whenever used in connoction with processes and products described in thosu specifications.
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FABRIC DESCRIPTION .
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FF UCS FiberWarp-Top & Bottom. Ends /in. 22 '' 22 850 den. Nylon 66'
Fill-Top & Bottom. Picks /in. 22 22 965 den. CorduraDrop Stitches 8,- 1300 den. Nylon 66-
Approx. Wt oz/yd.' .{11.7 22.2_ Ship Wt. Ibs/1000 f t.8 '82 157
. Ship Vol. It.8/1000 f t.'_ 5.2 12.1
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FABRIC TEST DATATensito Strength-Warp & Fall
Min. 200 s/in. ASTM D-1682-75PorosityMin.100 Ft.2/ Min. ASTM D-737-75
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TECHNICAL DATA./. e11PICAllhttALLAtiCII
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Installati~ n go -
- )2ABRIFORM is a double:larer fabric woven of textured nylon in a tough, 3 ,
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multifilament warp for optimum strength, stability. adhesion, and f alteringcharacteristics. Af ter being placec on the slope to be protected, either M. _A __ ,
und:r water or in-the-dry, this fabric envelope is filled by pumping into it Mil'."/c highly fluid sand / cement mortar. The upper edge o" *he revetment is rJf!>.
4i'O'Usually placed in an anchor trench to prevent underr c.ing by groundwater 7run-off. !! should extend from a point well below minimum low water to apoint Cbove maximum anticipated wave run-up. ,
,' Available Fabriform Fabric Styles--
hLitt PosMt lit 68 ,* .
y7, i 4 ' M hLitt PCMNT e' #
N& 10" Filter Pointc ' '
E EL N //"*h /* , Where unusually severe aF asion is anticipated or wheree
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N '1"' 8" Filtor PointThe majority of all Fabriform installations to date have been made,
6} ~ ,* #-*- with 8" Filter Point fabric. As sketches illustrate, the pattera of D,%
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ggEg;c % //,% p% ,' filter points is oriented at about 30 to the shoreline to presentL1, == c pcm an attractive checkerboard appearance. The cobbled surface of
[[. 'd d d ,- s d N #~~ Filter Point revetments provides excellent attenuation of(U- v
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O- ## * #ce 2 5" Filter Point
y $8$5K, * > * [F* For low velocity flows or for light wave action characteristic ofj smtitt recreational ponds,5" Filter Point fabric provides reliable(-ddedW 2 ' protection at minimum cost.-
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O wE .E ' .?:s..;id Used where low permeability and low hydraulic friction isI on6 $*g
- required. Filter Points'.may be installed for relief of uplif t pressure.,
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StorMats protecting shorelines withs' cod typhoons from the2 gggad '- w, p . .s ) East China Sea. Custom assembled up to 24" thick, they may-:=cc- q - be of varying thickness or tapered configuration suitable for
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