Operations & Maintenance PlanC. LoUCKS
Operations & Maintenance Plan
Control Concepts
Chanhassen, MN
Prepared by:
Loucks
CITY OF CHANHASSEN
RECEIVED
JUN 15 2018
CHANHASSEN PLANNING DEPT
PLANNING I CIVIL ENGINEERING I LAND SURVEYING I LANDSCAPE ARCHITECTURE I ENVIRONMENTAL
v .loucksinc.com 1 7200 Hemlock Lane, Suite 300, Maple Grove, MN 55369 1 763.424.5505
CBMH 110
SUMP MANHOLE
CBMH 10
SUMP MANHOLE
CONTECH JELLYFISH
JFPDO806 SYSTEM
CBMH 100
SUMP MANHOLE
CBMH 30
SUMP MANHOLE
CBMH 20
SUMP MANHOLE
CBMH 70 —
SUMP MANHOLE
CBMH 80
CBMH MO SUMP MANHOLE
SUMP MANHOLE
+ {+'+'+/+"++ +
+ + } + + ++++ R + + +
+ + a% ++++
+ + + + + + + + + + 4 + + + +,
++++•,+++++++f++ ++/
+ f + + + +
+/
+,
+ +/
CBMH 40
SUMP MANHOLE
CBMH 50
SUMP MANHOLE
STMH 60
SUMP MANHOLE
cp
HCB
» RIM=976.04INV=a
I_I 9 9.69(NW)
jam
0 50 100
SCALE IN FEET
■■ LOUCKS
PLANNING
CML ENGINEERING
LAND SURVEYING
IANDSCAPEARCHITECTURE
ENVIRONMENTAL
9200 Hemlock Lama, Suitt 300
Maple Grove. MN 55369
763.AM.5505
o,—.leuckainc.ccm
Control Concepts BMP Maintenance and Inspection SDeciiications
CBMH 10
CONCRETE
ADJUSTING RINGS,
MIN. 4• -MAX, 10'
42�
-
y. CBMH 1111
/� BMH 10
SUMPMANHOLE /
b•PRECAST REINFORCED
MI' MANHO
CONCRETE SUB.
-
S"TOP TO BE SET IN
.1 AMORTAREED.
-----------
�P�MAI,
-STEPS ib• O.C. ON DOWNSTREAM SIDE.
ARIA
•W
IXALUMMUM RSTEEL
_
REINFORCED COPOLYaIER PLASTIC.
'1
M
• /x
PRECAST CONCRETE a1ANHOLE SECTIONS
:r '+
WITH •O' -RING RUBBER GASKfiS.
I
•r�• . ^
;ra•Y:Y:e::T:: .«'Y...r«t.u;. Y�r7•{xRFtilJ'+ta.:«rfS#Y
...a'••':":'j •'$":' •!:'t:«.::C•ty..«»
NYLOPLt ST SNOUT STRUCTUREV»
JN
:,t:.y1I«'•.':'t•:CYk::::•"i.N»t'ra
�••R.'.•:••^".:t✓O::«Va ' :!
.«..: :::rx.-:•in..«.. t rw. t:.:...«.
' �'� i{:. •ti.t .....f' anti{.. : '1:•. i• ••.:•• a .. .... :::.. .:._.: .r
".'ri:::«:i.:m _.a .x ....«• :a::•::. .:.. • ar?«..........•. .a�•• u..rirh�:.: '
.^� ORAPPROVED EQUAL.
_
g
'1
•«s _.uaa� r ...xu.« ... .........».7nr..:•i:�:.Y.. . wi.«iarEiti i'h..t ri: i«
.wxu'.'.•t.
.:...7v�yyem•• Vii« ... .. r.:«.....«�.
x'i•�a-K:.�'" ':: • ...rrs a Fw'i R F
z
ovnEr
isr.:acv •hi. i W
FLOW
iii« •. F. .x: ..
FOMENTREV LMRCLEAN1
MUM fY DE TN
INMIM SLAB THICKNESS IS V FOR 14'
't DEPTH. INCREASE THICKNESS 1' FOR 4. Of
DEPTH GREATER THAN 14'.
3'
T
PLAN VIEW
DETAIL/PROFILE VIEW
BMP ID: CBMH 10
Location: Curb line on northwest side of parking lot
Description of Device: 48" Diameter precast manhole with a 3 foot sump. Flow enters the structure through the inlet grate where solids settle
out in the sump with clean flow discharging into a 12" HDPE pipe on the south side of the structure.
Structure Access: Through a standard catch basin inlet grate.
Control Concepts BMP Maintenance and Inspection Specifications
BMP ID: Sump Storm Sewer Structure
CBMH 10 Maintenance and Inspection Report
Inspection Date
Inspector:.
Inspection Activity
Observations/Measurements
Maintenance
Maint.
Actions Required/Date
Required
Completed/Responsible Foreman
Inspection of structure for
Remove any floatables, accumulated
Yes No
trash, debris, floatables
trash or debris with a dip net or vacuum.
and oil
More frequent cleaning is necessary if
floatables regularly exceed a depth of
1 ft.
Vacuum any visible oil prior to
Yes No
pumping permanent pool of water
downstream.
/ /20 Responsible Pa
Measure depth of
Pump out entire structure annually and
Yes No
accumulated sediment
Measured Depth =
remove sediment anytime depth exceeds
12"
Note:
Sediment depths in the sump over 18"
dictate a more frequent cleaning
regiment.
/ /20 Responsible Part
Inspect contributing areas
Notify appropriate maintenance staff or
Yes No
for plugged catch basins,
property owner of need to sweep and/or
erosion, trash, leaves, and
remove litter/debris.
debris. Check ground
surface directly adjacent
Sink holes shall be filled and monitored
Yes No
to the structure for
for further depression.
sinkholes or depression
areas
/ /20 Responsible Party:
Inspect all visible
Repair as able and note observations
Yes No
structural components:
notifying maintenance foremen of any
Manholes, Castings,
observed damage to structure,
Snout Structure, Covers
manholes, casings, snout structure and
and pipe connections.
associated loose or missing bolts,
blockages of inlets/outlets, etc.
/ /20 Responsible Party:
Control Concepts BMP Maintenance and Inspection Specifications
CBMH 20
CONCRETE
ADJUSTING RINGS,
MIN. 4' -MAX. 10 -
'SUMP,MAN1101
1
SUMP MAN 1101r
• PRECAST REINFORCED
CONCRETESUe.
T y f y ♦ y
pia y f y 1 ♦( ♦ y
COMH 2O �. 44 �I+j �,4,
SUB TOP TO BE SET IN
AMORTAR BED.
i()Lt SUMP MANHOLE 11 IIy 1r I
III Ir
EXTRUDED ALWIN IORSTTEEE {SIDE.
}•
REINFORCED COPOLYMER PLASTIC.
D'
y'wi+
~
PRECAST CONCRETE MANHOLE SECTIONS
RUBBERW ITH'O'-RING GASKETS.
I
"OPIAST SNOUT STRUCTURE
} ORAPPROVED EQUAL.
—N1
_....
::M. .«•tl.'L:tttiti?t tY:« .L::�t :::yC::A:A::Y:::::j'::::......:LYC':.l1ttLTY:J'iA9l]lA]I:tGY.y. •jC`
.T•'r.'i+i'. ....j},,ss+?:::::m:::•:=vii x. Fi=a vi{': •ye7;•«:::V
/ i
\ �/
..-.}ciui'riyiy;{xu ••••••
»».
t .1VPl! It}.tl•:•::::•••::tt::::l:t'L': istY::::L-.-.::CJLI:::l lt1::'.T.::\::::':'t: :'.::5'Rt«:F!!«jk\:'fTL:'S:' '•'
aFp�..........'t.::::Ata^::::a.Va::.'J:L'!Y.]J...G..............tA^::[{':Nl :....bTYSl :T.t•R::2 LY.: �:]
OUTLET
.. FLOW
1••tYN.tt................................tt«.::LaYJ%51::M1«.»:.»......I L:M]::....»..».»..S :tttt:•
FOMENT LEVEL FOR CLEANING
MINI fY DFITM
•
INLMUM SU8 THICKNESS IS 6' FOR 14'
- DEPTH. INCREASE THICKNESS V FOR 4' OF
DEPTH GREATER THAN 14'.
3'
u
T
PLAN VIEW
DETAIL/PROFILE VIEW
BMP 1D: CBMH 20
Location: Curb line on north side of parking lot
Description of Device: 48" Diameter precast manhole with a 3 foot sump. Flow enters the structure through the inlet grate where solids settle
out in the sump with clean flow discharging into a 12" HDPE pipe on the south side of the structure.
Structure Access: Through a standard catch basin inlet grate.
Control Concepts BMP Maintenance and Inspection Specifications
BMP ID: Sump Storm Sewer Structure
CBMH 20 Maintenance and Inspection Report
Inspection Date
Inspector:
Inspection Activity
Observations/Measurements
Maintenance
Maint.
Actions Required/Date
Required
Completed/Responsible Foreman
Inspection of structure for
Remove any floatables, accumulated
Yes No
trash, debris, floatables
trash or debris with a dip net or vacuum.
and oil
More frequent cleaning is necessary if
floatables regularly exceed a depth of
1 ft.
Vacuum any visible oil prior to
Yes No
pumping permanent pool of water
downstream.
/ /20 Responsible Party:
Measure depth of
Pump out entire structure annually and
Yes No
accumulated sediment
Measured Depth =
remove sediment anytime depth exceeds
12"
Note:
Sediment depths in the sump over 18"
dictate a more frequent cleaning
regiment.
/ /20 Responsible Part
Inspect contributing areas
Notify appropriate maintenance staff or
Yes No
for plugged catch basins,
property owner of need to sweep and/or
erosion, trash, leaves, and
remove litter/debris.
debris. Check ground
surface directly adjacent
Sink holes shall be filled and monitored
Yes No
to the structure for
for further depression.
sinkholes or depression
areas
/ /20 Responsible Party:
Inspect all visible
Repair as able and note observations
Yes No
structural components:
notifying maintenance foremen of any
Manholes, Castings,
observed damage to structure,
Snout Structure, Covers
manholes, casings, snout structure and
and pipe connections.
associated loose or missing bolts,
blockages of inlets/outlets, etc.
/ /20 Responsible Party:
Control Concepts BMP Maintenance and Inspection Specifications
CBMH 30
CONCRETE
ADJUSTING RINGS,
MINA• -MAK. 10'
f
( fantlisn
St:AW MA:�lt(N f
4 . PRECAST REINFORCED
CONCRETE SEAS.
♦ y ! ♦ ♦ y
CBy ♦ ♦ ♦ ♦ 1
CBMI'1 20 (� y+ii+i iiAy
SEASTOPTO BESETIN
�!
E�♦ 1
AMORTAR SED.
-STEPS
♦ y ♦ y
SUMP MANHOLF ♦ ♦ J ♦ y
16. O.C. ON DOWNSTREAM SIDE.
�- EXTRUDED ALUNINLM ORSTEEL
1 i 4 i JYi J
♦ i Jf i
40, REINFORCED COPOLWER PLASTIC.
1
y A1�
:•�
PRECAST CONCRETE MANHOLE SECTIONS
I
------------------
T
WITH•O'-RING RUISERCASKETS.
!
Ily WtOPIAST SNOUT STRUCTURE
^ ORAPPROVED EQUAL.
::i iii:?: : 2:::s;•.v:: �::. �:.j�.y:.:�v.::::�.; ..:: : i:••:t::?»tii«YF.....
••::.:.::.•f•J.:.:.....Y«....... i.. •aVIF•tA'.::::':•:^.. V
K:1flT.•.::�..VAI::.Y.jY:j:::l.':.:::tj':.:::.'lRhLTI::PFJlJ.'J:L'....�..l:......:•»Y'}:::II�'J�.':.�•f.'JJ.'.::Y.:••:
.Y
:•
»T ......
i»}L{:1��:•ii:;
OUTLET
{:e:.«_.y;....x:.::..............:.
.........�.»......::...:.::.::::.:.n:::.�::•.v::::.n......_.........�.: ••Az•r.•^......AT..A ... A..:»x:•rw:e:•m}.:J er:,:•.
.........
FLOW—yr
..:..............................r.:::::w:: �«:..............T::a.':.:L-•'...........::M•J:.•JNYY:.•.£:.t :1x::
......................................................... ... ............. ... ..:::. .......•
"G.
EO MENS LEVEL FOR CLEANING
. Tr
MUM EY DEP
M STAB THICKNESS IS 6' FOR 14'
DEPPTH. INTHAN CREASE THICKNESS S• FOR 4' OE
DEPTH GREATER THAN 14'.
3'
T
DETAIL/PROFILE VIEW
PLAN VIEW
BMP ID: CBMH 30
Location: Curb line on northeast side of parking lot
Description of Device: 48" Diameter precast manhole with a 3 foot sump. Flow enters the structure through the inlet grate where solids settle
out in the sump with clean flow discharging into a 12" HDPE pipe on the south side of the structure.
Structure Access: Through a standard catch basin inlet grate.
Control Concepts BMP Maintenance and Inspection Specifications
BMP ID: Sump Storm Sewer Structure
CBMH 30 Maintenance and Inspection Report
Inspection Date
Inspector:
Inspection Activity
Observations/Measurements
Maintenance
Maint.
Actions Required/Date
Required
Com leted/Res onsible Foreman
Inspection of structure for
Remove any floatables, accumulated
Yes No
trash, debris, floatables
trash or debris with a dip net or vacuum.
and oil
More frequent cleaning is necessary if
floatables regularly exceed a depth of
1 ft.
Vacuum any visible oil prior to
Yes No
pumping permanent pool of water
downstream.
/ /20 Responsible Party:
Measure depth of
Pump out entire structure annually and
Yes No
accumulated sediment
Measured Depth =
remove sediment anytime depth exceeds
12"
Note:
Sediment depths in the sump over 18"
dictate a more frequent cleaning
regiment.
/ /20 Responsible Party:
Inspect contributing areas
Notify appropriate maintenance staff or
Yes No
for plugged catch basins,
property owner of need to sweep and/or
erosion, trash, leaves, and
remove litter/debris.
debris. Check ground
surface directly adjacent
Sink holes shall be filled and monitored
Yes No
to the structure for
for further depression.
sinkholes or depression
areas
/ /20 Responsible Party:
Inspect all visible
Repair as able and note observations
Yes No
structural components:
notifying maintenance foremen of any
Manholes, Castings,
observed damage to structure,
Snout Structure, Covers
manholes, casings, snout structure and
and pipe connections.
associated loose or missing bolts,
blockages of inlets/outlets, etc.
/ /20 Responsible Party:
Control Concepts BMP Maintenance and Inspection Specifications
CBMH 40
CONCRETE
A OIVSTING RfNGS,
MIN. 4' -MAK. 10'
40
CBMH2MA
•
PRECAST REINFORCED
SUMP NHOLE ...1
•.lti
CONCRETES AB.
SLABTOP TO BE SET IN
Sit
A MORTAR BED.
-STEPS 16' O.C. ON DOWNSTREAM SIDE.
EXTRUDED ALUMINUM ORSTEEL
Y0. REINFORCED COPOLYMER PLASTIC.
CBMH iA
PRECAST CONCRETE MANHOLE SECTIONS
WITH '01RING RUBBER GASKETS.
SUM MANHOLE
NYLOPUST SNOUT STRUCTURE
ORAPPROVED EQUAL.
/ \\
_OUTLET FLOW �.
ED ME NT LEVEL FOR CLEANING
AXNLlH11]' DEPTH
INNN.M SLAB THICKNESS IS 6' FOR 14'
DEPTH, INCREASE THICKNESS V FOR 4' OF
DEPTH GREATER THAN IV -
3'
3
T
PLAN VIEW
DETAIL/PROFILE VIEW
BMP ID: CBMH 40
Location: Curb line on east access drive
Description of Device: 48" Diameter precast manhole with a 3 foot sump. Flow enters the structure through the inlet grate where solids settle
out in the sump with clean flow discharging into a 12" HDPE pipe on the west side of the structure.
Structure Access: Through a standard catch basin inlet grate.
Control Concepts BMP Maintenance and Inspection Specifications
BMP ID: Sump Storm Sewer Structure
CBMH 40 Maintenance and Inspection Report
Inspection Date
Inspector:
Inspection Activity
Observations/Measurements
Maintenance
Maint.
Actions Required/Date
Required
Completed/Responsible Foreman
Inspection of structure for
Remove any floatables, accumulated
Yes No
trash, debris, floatables
trash or debris with a dip net or vacuum.
and oil
More frequent cleaning is necessary if
floatables regularly exceed a depth of
1 ft.
Vacuum any visible oil prior to
Yes No
pumping permanent pool of water
downstream.
/ /20 Responsible Party:
Measure depth of
Pump out entire structure annually and
Yes No
accumulated sediment
Measured Depth =
remove sediment anytime depth exceeds
12"
Note:
Sediment depths in the sump over 18"
dictate a more frequent cleaning
regiment.
1 /20 Responsible Party:
Inspect contributing areas
Notify appropriate maintenance staff or
Yes No
for plugged catch basins,
property owner of need to sweep and/or
erosion, trash, leaves, and
remove litter/debris.
debris. Check ground
surface directly adjacent
Sink holes shall be filled and monitored
Yes No
to the structure for
for further depression.
sinkholes or depression
areas
/ /20 Responsible Party:
Inspect all visible
Repair as able and note observations
Yes No
structural components:
notifying maintenance foremen of any
Manholes, Castings,
observed damage to structure,
Snout Structure, Covers
manholes, casings, snout structure and
and pipe connections.
associated loose or missing bolts,
blockages of inlets/outlets, etc.
/ /20 Responsible Party:
Control Concepts BMP Maintenance and Inspection Specifications
CBMH 50
CONCRETE
ADJUSTING RINGS,
jff�� Irk MIN. 4• -MAX. IB'
CBMH s0
SUMP MANHOLE
PRECAST REINFORCED
SfMH 60
CONCRETE 5�5'
' SUB TOY TO BE SET IN
'i
A MORTAR BED.
SUMP MANHOLE y
STEPS I6. O.C. ON DOWNSTREAM SIDE.
S
INTRUDED ALUMIN MA ORSTEEL
11
REINFORCED COPOLYMER PLASTIC.
40,
.1
PRECAST CONCRETE MANHOLE SECTIONS
"�'\~ •R T » .• • _� ... w J.• • ..) .. .P .....
••' 4. P i •••
'yl • •.:
•.I
W ITM'O'-RING RUBBER W SKETS.
�..
N \..i7 y,• ,y Y 4 . •. 'r y •••' L, •,•••
NYLOPUTi STRUCTURP
� 'i.' ••..
\.�. �. �\„'w'^,ryrr 1�•�'6•••••
w ENOUT
z ORAIPROVED EQIAi.
• ” ±. • �:: •:... .. s � •; ..:: ..,. ;:;
:.� .... .......:•:.i.tt:::.:
•' •
< 11
_• R ht: +» .. ;q t:':•i:::.'.•.A• ^:t::A i:p.;..
. :: �.
..;.
't.;':
OUTLET
j•. Y•'+:: .•.YS ��l•.«t:'`'w::' It ::l:h.
PEMV;
A... .. A� : S. • SJa.',{'A`:1..:.•.t is
J. .. q•'Y • t' Sl"• ::.::'(t:" :�Y p t.Y:. •t'J
:Y.'•t:::Yr3:.':Y::.L':'Y.l't».l'�JJ.:SL•.:•t: '^
«:J•
{
y S ENV.,Jf SV'G!t'•'•
tl• jlt,
{Nt,{'•
-PEDIMENT IEVEt FOR CLEANING
f1}rti•'l.•'' Th'SY �•..........
.
» -IN OF ::1:• 'tt•• •tStXL•.Tt.YCt:JE. '«t•
t.•.'lt
IMUN 12' DEITY
t.ti„S::I:•t:��j�l' �t::•.l�t%F}' :f: L•: ty'•: "f•:'•f• •tt'titu„'t:jS.•'Sy.', •11t
=Z4=6 M. »�:'ti 't.• •F�:t..t'SSG.tY.«• ••
:l�«
.«
-
.5'J:ALG ....
........q^,.:L»,».,"yY7S:««l iy'�^tt»,y;:C• AY.�'tt1t•�«:.tf x'fyGT tS
•J
.:.»::Y
'•••t.•
INMUM SUBTMI[KNE55156'FOR 1T
•Y•f:t.t .... ::y: Alt:yt/.{ :�xT.ASa; YA :Wtt.::a:,.
•:ti..rr.:.tt.:a:u::x.•ruA•s.::.
ar.:v
-�
-FOR
.:::......:..:.. .. .....:.............t�:•:i:^•r
;. �.
DEPTN, I Of
1X.4.
I V.
DEPTN GRMTER THAN 14'.
GREATER
'
:Tll»t{t {({'.a f l.':«}•::YV. S1 :•:':: N!)a}•:::.]SJ ::: :::.•.............womb
1• R•
3•
T
DETAIL/PROFILE VIEW
PLAN VIEW
BMP ID: CBMH 50
Location: Curb line on southeast corner of loading dock area
Description of Device: 48" Diameter precast manhole with a 3 foot sump. Flow enters the structure through the inlet grate where solids settle
out in the sump with clean flow discharging into a 12" HDPE pipe on the north side of the structure.
Structure Access: Through a standard catch basin inlet grate.
Control Concepts BMP Maintenance and Inspection Specifications
BMP ID: Sump Storm Sewer Structure
CBMH 50 Maintenance and Inspection Report
Inspection Date
Inspector:
Inspection Activity
Observations/Measurements
Maintenance
Maint.
Actions Required/Date
Required
Completed/Responsible Foreman
Inspection of structure for
Remove any floatables, accumulated
Yes No
trash, debris, floatables
trash or debris with a dip net or vacuum.
and oil
More frequent cleaning is necessary if
floatables regularly exceed a depth of
1 ft.
Vacuum any visible oil prior to
Yes No
pumping permanent pool of water
downstream.
/ /20 Responsible Party:
Measure depth of
Pump out entire structure annually and
Yes No
accumulated sediment
Measured Depth =
remove sediment anytime depth exceeds
12"
Note:
Sediment depths in the sump over 18"
dictate a more frequent cleaning
regiment.
/ /20 Responsible Party:
Inspect contributing areas
Notify appropriate maintenance staff or
Yes No
for plugged catch basins,
property owner of need to sweep and/or
erosion, trash, leaves, and
remove litter/debris.
debris. Check ground
surface directly adjacent
Sink holes shall be filled and monitored
Yes No
to the structure for
for further depression.
sinkholes or depression
areas
/ /20 Responsible Party:
Inspect all visible
Repair as able and note observations
Yes No
structural components:
notifying maintenance foremen of any
Manholes, Castings,
observed damage to structure,
Snout Structure, Covers
manholes, casings, snout structure and
and pipe connections.
associated loose or missing bolts,
blockages of inlets/outlets, etc.
/ /20 Responsible Party:
Control Concepts BMP Maintenance and Inspection Specifications
STMH 60
Co" CRETE
STING RINGS,
8•
MIN. - MA%. 10 -
CBMH SO
SUMP MANHOLE
j;A0J,U
o • PRECAST REINFORCED
STMH 60
I ONCRETE SLAB.
LAB TOP TO BE SET IN
SUMP MANHOLE
MORTARBED.
S 16.O.C. ON DOWNSTREAM SIDE.
E%RUDED ALUMINUM OR STEEL
1
40' REINFORCED COPOLMIERPLASTIC.
•5
}.' ::
PRECAST CONCRETE MANHOLE SECTIONS
P
q~• P , .•
�... ' .♦ 4
£' •••t. _•iu�'L' 'yE'•i V' •,•�,•\[♦ •a•f •• gip•: `•••:«N
+!
}:tiV.'
:
�^ WITH •O' -RING RUBBER GSKETS.
•• NACIPIAST SNOUT STRUCTURE
i �. L;:t YR" f A .` ,S •
r
_ ORAPPROVEO EQUAL
Wt
•'h•�^
••'� •
• .`• .' : •r,.;«xt:�;iii....::•rYititi:" �
ounEr
ja ~f Y.t ��t »... »»:. �:?�::: �h
•••., r
••'\•
_______ �___ FLOW—r
„::::a:: tit: :.. • • '::: :K .^•y.l. .. H.—
'
•u:; i• •: ii't!»•r.:•.het,..••
.
wti5iik%=tiff:
�'•rtiiviti••• • ��iei:.. .. •ri
::r'1iftis?tisit
' s .. vrr.}{;x«.»tii•:iia:i:X:,C❖vlra:t
:,,•�'
•.. .. »..:»moi{YG :':':: t: ...•.... ........... tiµt
•�h:7S55^•:rtt:i
s;�•.•^ ;•»t1•«ly
»titi':httiti«:.gq.:At:.•t.:ttVt
FOMENT LEVEL iOR CLBSNING
�-. }f.••pp5{:•5i�5Y::" t:t l V:MIMTI'DEPTM
j ::r.»lr .. .. }.t •tlf »:.'.'.'{• h
••"
515
• G;r 1
:i. ti unrt .�m rt :::irxwi;Yr i i?}
»:r
_
' lt:ti' :R:.:F:.i: w«:«:.lett •» rS:S:i;:CLr^'C:y:r ti.0•tl.,SR»
t l':•l::t•r::Fl::: •5 ' :•:;;5 ':::: :55•L•::: t•: «' .«:.:..A:..:'
•SJM1t:lt.........t....:......
r
'r
INMLWISUBTMICKNFSS IS 6'fOR i4'
DEPTH, INCREASE THICKNESS i' FOR 4' OF
h: :}::f''Lti�:•: :5`t :. .. Stiti'Y:
• •••••••••....
......
....•.
.:
'i •.
DEPTH GREATER THAN I4'.
----- •%w•�t
--...__..•1.�.�•,-•...-.__.
--
DETAIL/PROFILE VIEW
PLAN VIEW
BMP ID: STMH 60
Location: East loading dock area
Description of Device: 48" Diameter precast manhole with a
3 foot sump. Flow enters the structure through a 12" HDPE pipe on the northwest
side of the structure where solids settle out in the sump with clean
flow discharging into a 12" HDPE pipe on the south side of the structure.
Structure Access: Through a standard catch basin inlet grate.
Control Concepts BMP Maintenance and Inspection Specifications
BMP ID: Sump Storm Sewer Structure
STMH 60 Maintenance and Inspection Report
Inspection Date
Inspector:
Inspection Activity
Observations/Measurements
Maintenance
Maint.
Actions Required/Date
Required
Completed/Responsible Foreman
Inspection of structure for
Remove any floatables, accumulated
Yes No
trash, debris, floatables
trash or debris with a dip net or vacuum.
and oil
More frequent cleaning is necessary if
floatables regularly exceed a depth of
1 ft.
Vacuum any visible oil prior to
Yes No
pumping permanent pool of water
downstream.
/ /20 Responsible Party:
Measure depth of
Pump out entire structure annually and
Yes No
accumulated sediment
Measured Depth =
remove sediment anytime depth exceeds
12"
Note:
Sediment depths in the sump over 18"
dictate a more frequent cleaning
regiment.
/ /20 Responsible Part
Inspect contributing areas
Notify appropriate maintenance staff or
Yes No
for plugged catch basins,
property owner of need to sweep and/or
erosion, trash, leaves, and
remove litter/debris.
debris. Check ground
surface directly adjacent
Sink holes shall be filled and monitored
Yes No
to the structure for
for further depression.
sinkholes or depression
areas
/ /20 Responsible Party:
Inspect all visible
Repair as able and note observations
Yes No
structural components:
notifying maintenance foremen of any
Manholes, Castings,
observed damage to structure,
Snout Structure, Covers
manholes, casings, snout structure and
and pipe connections.
associated loose or missing bolts,
blockages of inlets/outlets, etc.
/ /20 Responsible Party:
Control Concepts BMP Maintenance and Inspection Specifications
CBMH 70
ONCRETE
A OJUSTING RINGS,
MIN. 6• -MAX. 10'
u
PRECAST REINFORCED
I CONCRETE SIAB.
SLPubl'.%AAVH( SUMPMA
SUBTOP TOBFSET IN
A MORTAR BED.
C EU
i �'l,l�
TIES 16- O.C.ON DOWNSTREAM SIDE.
EXTRUDED ALUMINW ORSTEEL
SIDSIP S1AVIiOLF
REINFORCED COPOLYMERPIASTiC.
4.0'
,T -
'6
. .. i •y •P
••
•• "•'�:.E, 1••'y.• • �"
PRECAST CONCRETE MANHOLE SECTIONS
• T
y: { Z ! S'", .,..
WITH •O' -RING RUBBER GSKETS.
,.r ;, `
:':
,...
�• `�,'' •iti•. .1 .
NYLOPLAST SNOUT STRUfTURE
�•
••• •
! r T YN : � yl'•,,•
�
•. ORAPPROVtO EQUAL.
f,
F'.4} .. ....'` T.".tr e _ • f.A. .in..:a:
.. o. 1 .•:.:•s"
OUTLET
FLOW—�
. ti;4.:w.r C�i��f•:.4 .� •i�if:., :i..•
..'r•.tl:i
t
fu
h.1^1.'..:«•{kS.:(.»Ti.I5.LS{fi:¢:':•
«x•':ti.»lI.Tll..,al'.1':J.:T:.r^.'«v.::•.r::..i::.,�::l:i.w1':.{.:::�GG:::.:{'i.:::'.:::.:'::.:..�.:
G::.::.Y»TF:.Si:+:']a::SG:J:Ji••::^l::Y:iuKl.S
S:.:.'GLTT:.Ta
:::.�Y{Y{y�'G.•:••:{T«L5•:
• :.Tk.a..:f.:T1......J:M'}S::«iti�::Ya1..«•f.G{%.. G'
}:'.::'.i.t ::«:it
P2W:'.l:.:.G'«.• A' Gt.i'.•.r.:
EOMENiWH2.FOR CLUNING
ftTH
.S:'.:::.:Sx•'.G«.t«'.:.:::i.::g:.:•a:i.:•:i:.•:.•..'::�..i'R^.:i.:::.:::'.:::.:::{.:::•...::.:•.:+:.«..•..•...:'G.1.f:'Gc:.::.::....
...6
"�. MM
^.
Rl:{. K:GY:«.'Y.•$W:Ai G:«:GSNT:B::::::::a:S:::.9:F:.:.::::G'.'{S{SS•»:G'•r::'.'::ITC.«:L:'YIV.53Y.L.�......r......L...3'M.:S«.y
.
INM WISL" THICKNESS IS 6- FOR Y9'
•
•.
DEPTH. INCREASE THICKNESS V MR V Of
_ _ ___
DE PTH GREATER THAN I4'.
T
PLAN VIEW
DETAIL/PROFILE VIEW
BMP ID: CBMH 70 Location: Middle loading dock area in
Description of Device: 48" Diameter precast manhole with a 3 foot sump. Flow enters the structure through the inlet grate and a 12" HDPE
pipe on the northwest side of the structure where solids settle out in the sump with clean flow discharging into a 12" HDPE pipe on the south
side of the structure.
Structure Access: Through a standard catch basin inlet grate.
Control Concepts BMP Maintenance and Inspection Specifications
RMP ID: Sump Storm Sewer Structure
CBMH 70 Maintenance and Inspection Report
Inspection Date
Inspector:
Inspection Activity
Observations/Measurements
Maintenance
Maint.
Actions Required/Date
Required
Completed/Responsible Foreman
Inspection of structure for
Remove any floatables, accumulated
Yes No
trash, debris, floatables
trash or debris with a dip net or vacuum.
and oil
More frequent cleaning is necessary if
floatables regularly exceed a depth of
1 ft.
Vacuum any visible oil prior to
Yes No
pumping permanent pool of water
downstream.
/ /20 Responsible Party:
Measure depth of
Pump out entire structure annually and
Yes No
accumulated sediment
Measured Depth =
remove sediment anytime depth exceeds
12"
Note:
Sediment depths in the sump over 18"
dictate a more frequent cleaning
regiment.
/ /20 Responsible Party:
Inspect contributing areas
Notify appropriate maintenance staff or
Yes No
for plugged catch basins,
property owner of need to sweep and/or
erosion, trash, leaves, and
remove litter/debris.
debris. Check ground
surface directly adjacent
Sink holes shall be filled and monitored
Yes No
to the structure for
for further depression.
sinkholes or depression
areas
/ /20 Responsible Party:
Inspect all visible
Repair as able and note observations
Yes No
structural components:
notifying maintenance foremen of any
Manholes, Castings,
observed damage to structure,
Snout Structure, Covers
manholes, casings, snout structure and
and pipe connections.
associated loose or missing bolts,
blockages of inlets/outlets, etc.
/ /20 Responsible Party:
Control Concepts BMP Maintenance and Inspection Specifications
CBMH 80
CONCRETE
ADJUSTING RINGS,
MIN. 4• - MAX. 10'
CBMH 70 5
PRECAST REINFORCED
CONCRETE SLAB.
SUMP.MANHOLE SI.MPMA
- SUB TOP TO BE SET IN
,t AMORTARBED.
CBMH 80TEPS16'O.Cn
.ONDOWNSTREAMSIDE.
Al
SUMP MANHOLE ?�•
REINFFORCE REINFORCED PLASTIC.
6,
': i•�� '�•}•;
•`aI
CONCRETE MANHOLE SECTiONS
c;•'••
•�' "�•:.
WITH'O'-RING RUBER CASKETS.
r. •l, •,''./ - ,:`:�`" ;
.cf. ,/.•._•..
NLOPIA6T SNOUT STRUCTURE
••i. R �• •a �,µ..l. as •�• Ntt < ti a:::,
_ OR APPROVED EQUAL.
_ f •`?
Tal••
� f� SII
.t .;.••'t•. 'i�:
OUTLET
•N ;r • j. �: �.: r ' .»::^.. •': �aT t ic»
FLOW
•a • e;"� µ
_
...i•. •. ... A, u4t»rr.•.:tixd'»itsiiu .::L•. i:•»k.':
......««. ...
ur.•n••.....«w: rrux.•r..:r« :::::::::::::cra-:::::::::::::: iiir •• .......... rm»:::.::.....
"••..•rpSk.':x:=.-2u.':':':•:':':::.-:'%•:`.:YLJ:'..'}:.......
....:{,{:J�:.C.tttYJF«.CU.'a ::.......:...........y......:•: C:.; .;...j:: (:.^ •..J........ �iit:V:Y«::«.A'a::•X:•f:
•••:••« :•:•:•:':!'
:.rY:'A::::::::::R:::J:A66.:.:d::✓::.::5: 0..« ....... a«....:.
�....0
`.
..EDMENT LEVEL R CLFAN WG
..». .._...:.x: .... ................ r:: n:�.�:.�:n r:::::::::.
'.. M 12' DEPFOTH
1« ...:: ..:.... .......................................................
:C:'«aai:FCLZ•LC2:4L•.•:.•:a::a:.r.'«:« :•CLA.•a:::U:::t.::rJ.::aF.•.•.'.'1Rl':':i'l�'t::^..rliil::.Yii}:'J��•.•.':>r•'•:.r:::::T:a:N :i :•t:'a::.
'.
INNS UIf SLAB THICKNF55156'fOR 14'
DEPTH. INCRW E THICKNESS V FOR 4' Of
DEPTH GREATER THAN 14'-
3'
PLAN VIEW
DETAIL/PROFILE VIEW
BMP ID: CBMH 80 Location: West loading dock area
Description of Device: 48" Diameter precast manhole with a 3 foot sump. Flow enters the structure through the inlet grate and a 12" HDPE
pipe on the northwest side of the structure where solids settle out in the sump with clean flow discharging into a 12" HDPE pipe on the south
side of the structure.
Structure Access: Through a standard catch basin inlet grate.
Control Concepts BMP Maintenance and Inspection Specifications
BMP ID: Sump Storm Sewer Structure
CBMH 80 Maintenance and Inspection Report
Inspection Date
Inspector:
Inspection Activity
Observations/Measurements
Maintenance
Maint.
Actions Required/Date
Required
Completed/Responsible Foreman
Inspection of structure for
Remove any floatables, accumulated
Yes No
trash, debris, floatables
trash or debris with a dip net or vacuum.
and oil
More frequent cleaning is necessary if
floatables regularly exceed a depth of
1 ft.
Vacuum any visible oil prior to
Yes No
pumping permanent pool of water
downstream.
/ /20 Responsible Pa
Measure depth of
Pump out entire structure annually and
Yes No
accumulated sediment
Measured Depth =
remove sediment anytime depth exceeds
12"
Note:
Sediment depths in the sump over 18"
dictate a more frequent cleaning
regiment.
/ - /20 Responsible Party:
Inspect contributing areas
Notify appropriate maintenance staff or
Yes No
for plugged catch basins,
property owner of need to sweep and/or
erosion, trash, leaves, and
remove litter/debris.
debris. Check ground
surface directly adjacent
Sink holes shall be filled and monitored
Yes No
to the structure for
for further depression.
sinkholes or depression
areas
/ /20 Responsible Part :
Inspect all visible
Repair as able and note observations
Yes No
structural components:
notifying maintenance foremen of any
Manholes, Castings,
observed damage to structure,
Snout Structure, Covers
manholes, casings, snout structure and
and pipe connections.
associated loose or missing bolts,
blockages of inlets/outlets, etc.
/ /20 Responsible Party:
Control Concepts BMP Maintenance and Inspection Specifications
CBMH 90
CONCRETE
ADJUSTING RINGS,
MIN, 9• - MA%. 10'
}}
'A.
.... *4.Y'A .
{t
CBMH 100
y ' PRECASTREINFORCED -
�...........
SUMP MANHOLE
ONCRTE SAB.
ETIN
,1 AMORTAR BED.
TEPS 16. O.C. ON DOWNSTREMI SIDE.
�t;�:';:; f•;
E TRUDED ALLMMIM ORSTEEL
40• RONFORCED COPOLYMER PLISTIC.
h`{YTY 5Y7•• i�
"i
PRECAST CONCRETE MANHOLE SECTIONS
J:.Y••
WITH •O'-RMG RUBBER CASKETS.
' �' [ NA H 90 t 1!11
OP CTURE
:'7•l:
APPROVED UAL.
S .++ OR APPROVCD EQUAL.
UMP)AAN11
>1
OUTLET
FLOW-'.
FOMENT LEVE MR CURNINO
A%MUSI 12• DEPT
•;
11NNIUM SUB THICKNESS IS 6• FOR 14'
DEPTH. INCREASE THICKNESS I- MR Y OF
DEPTH GREATER THAN 14'.
3•
I
DETAIL/PROFILE VIEW
PLAN VIEW
BMP ID: CBMH 90 F
Location: Curb line in southwest corner of parking lot
Description of Device: 48" Diameter precast manhole with a 3 foot sump. Flow enters the structure through the inlet grate and a 12" HDPE
pipe on the southeast side of the structure where solids settle out in the sump with clean flow discharging into a 12" HDPE pipe on the west
side of the structure.
Structure Access: Through a standard catch basin inlet grate.
Control Concepts BMP Maintenance and Inspection Specifications
BMP ID: Sump Storm Sewer Structure
CBMH 90 Maintenance and Inspection Report
Inspection Date
Inspector:
Inspection Activity
Observations/Measurements
Maintenance
Maint.
Actions Required/Date
Required
Completed/Responsible Foreman
Inspection of structure for
Remove any floatables, accumulated
Yes No
trash, debris, floatables
trash or debris with a dip net or vacuum,
and oil
More frequent cleaning is necessary if
floatables regularly exceed a depth of
1 ft.
Vacuum any visible oil prior to
Yes No
pumping permanent pool of water
downstream.
/ /20 Responsible Party:
Measure depth of
Pump out entire structure annually and
Yes No
accumulated sediment
Measured Depth =
remove sediment anytime depth exceeds
12"
Note:
Sediment depths in the sump over 18"
dictate a more frequent cleaning
regiment.
/ /20 Responsible Party.
Inspect contributing areas
Notify appropriate maintenance staff or
Yes No
for plugged catch basins,
property owner of need to sweep and/or
erosion, trash, leaves, and
remove litter/debris.
debris. Check ground
surface directly adjacent
Sink holes shall be filled and monitored
Yes No
to the structure for
for further depression.
sinkholes or depression
areas
/ /20 Responsible Party:
Inspect all visible
Repair as able and note observations
Yes No
structural components:
notifying maintenance foremen of any
Manholes, Castings,
observed damage to structure,
Snout Structure, Covers
manholes, casings, snout structure and
and pipe connections.
associated loose or missing bolts,
blockages of inlets/outlets, etc.
/ /20 Responsible Party7
Control Concepts BMP Maintenance and Inspection Specifications
CBMH 100
CONCRETE
ADJUSTING RINGS,
,6
r r CBI►4N 100
ASS
»7 :' P A N t I O L E
' PRECAST REINFORCED
L�•7yyYtt .71J.ti1 iM
y ^tj(}•tt.�`i�,
_
_ CONCRETE SUB.
SUBTOP TO BE SET IN
.{S7Ay{{L jfit
.1 AMORTAKIRD.
TIPS 16- OC. ON DOWNSTREV I SIDE.
EKTRVOED ALU INL ORSTEEL
REINFORCED COPOLYMER PLASTIC.
J 15'y.Y•l:
TAYL717Y � r.y�
{l�N� COW
PRECAST
WITH'OCONCRETOWNIANHOLE
WITH •O'
: ., s p
KESFCi10NT
-RING RU BEER GASKETS.
SUMP MANHt)iE aiV
�•«• 1 •
NVtOP1AST TNDUT STRUfTURE
�.•:+hS Rlt S.
� /?�\\ OR APPROVED EQUAL.
+�' F1
j a i�
•
.aA:V.:
\
Yw{51+'hV E 6 :•••7 .
•
'/,
,'.'•••'7 +� .,Si
OVTLET
FLOWS
,aaa y'
'! �� •P••�• +�, •F n. F •
EDMENTLEVa FORCLEANING
A% MlM iS D P H
M%iI $IAB THICKNESS IS 6- FOR 1,P
DEPTH. INCREASE THICKNESS V FOR4' OF
DEPTH GREATER THAN 14'.
X
4+.
I
T
PLAN VIEW
DETAIL/PROFILE VIEW
BMP ID: CBMH 100
Location: Curb line on west side of parking lot
Description of Device: 48" Diameter precast manhole with a 3 foot sump. Flow enters the structure through the inlet grate where solids settle
out in the sump with clean flow discharging into a 12" HDPE pipe on the west side of the structure.
Structure Access: Through a standard catch basin inlet grate.
Control Concepts BMP Maintenance and Inspection Specifications
BMP ID: Sump Storm Sewer Structure
CBMH 100 Maintenance and Inspection Report
Inspection Date
Inspector:
Inspection Activity
Observations/Measurements
Maintenance
Maint.
Actions Required/Date
Required
Completed/Responsible Foreman
Inspection of structure for
Remove any floatables, accumulated
Yes No
trash, debris, floatables
trash or debris with a dip net or vacuum.
and oil
More frequent cleaning is necessary if
floatables regularly exceed a depth of
1 ft.
Vacuum any visible oil prior to
Yes No
pumping permanent pool of water
downstream.
/ /20 Responsible Party:
Measure depth of
Pump out entire structure annually and
Yes No
accumulated sediment
Measured Depth =
remove sediment anytime depth exceeds
12"
Note:
Sediment depths in the sump over 18"
dictate a more frequent cleaning
regiment.
/ /20 Responsible Party:
Inspect contributing areas
Notify appropriate maintenance staff or
Yes No
for plugged catch basins,
property owner of need to sweep and/or
erosion, trash, leaves, and
remove litter/debris.
debris. Check ground
surface directly adjacent
Sink holes shall be filled and monitored
Yes No
to the structure for
for further depression.
sinkholes or depression
areas
/ /20 Responsible Party:
Inspect all visible
Repair as able and note observations
Yes No
structural components:
notifying maintenance foremen of any
Manholes, Castings,
observed damage to structure,
Snout Structure, Covers
manholes, casings, snout structure and
and pipe connections.
associated loose or missing bolts,
blockages of inlets/outlets, etc.
/ /20 Responsible Party:
Control Concepts BMP Maintenance and Inspection Specifications
CBMH 110
CONCRETE
ADIUSTINGRINGS,
MIN, 4- -MAX. 10'
{th CBMH 110 CBMH 10
SUMP .MANHOLE ,
SUMP MANHOLE
q
PRECAST REINFORCED
CONCRETE
e ET IN
.i AMORT.ARISED.
TEFS 16. O.C. ON DOWNSTREAM SIDE.
EXTRUDED ALLNIINOM ORSTEEL
IMIMMIEErYtl R�
~�• --------------------
4.0• REINFORCED COPOLMIERPLASTIC.
_ _
`; �n M
PRECAST CONCRETE MANHOLE SECTIONS
%
WFTH'O'-RINGRU88ERGASMTS.
rt (
.. t' Yxi� '1F.1a. : tt ,:}y' ••{t'!:•ES::: T.:•y��Vt.S•i2^..V:..5:'65tttt V: M:^..L:.VG..A
t M•.iY..:.:_::A'Id'»}»:: �.':. RS•i.:t At.;Sv.
w
�ORAPPPIRAOSTa U[TIIRf
:.f. l y .....nd.:.5..l a�t'l.l.t:«.•• Vyyi. st .:.:.K..:.t..•..'..t...:.�..:'.a. :1: ^fA'a v .
.....
S..
FSDN
_ EQUAL.
ivavm.•^rFRivi'rim} .... :
•••
yrtaM,u9ir; :::
•...xa}ggyt;•I;g}^y:
OUTLET
•,; _ va 5
.Y T-7-,
FLOW—r
{ w xt{f
If 4J.:i
YQti4
.14:'::•.'.•nVCi�y'. ,•I'
6L
••:•••...•.•
CLMNG
EDMENT LEVEL FOR IN
AKMUM 13' DEPTH
11NMUM SLAB THICKNESS IS 6- FOR 14'
DEPTH. INCREASE THICKNESS t• FOR 4' Of
Df PTH OREATER THAN 14'.
4.:
PLAN VIEW
DETAIL/PROFILE VIEW
BMP ID: CBMH 110
Location: Curb line in north driveway entrance
Description of Device: 48" Diameter precast manhole with a 3 foot sump. Flow enters the structure through the inlet grate where solids settle
out in the sump with clean flow discharging into a 12" HDPE pipe on the southeast side of the structure.
Structure Access: Through a standard catch basin inlet grate.
Control Concepts BMP Maintenance and Inspection Specifications
BMP ID: Sump Storm Sewer Structure
CBMH 110 Maintenance and Inspection Report
Inspection Date
Inspector:
Inspection Activity
Observations/Measurements
Maintenance
Maint.
Actions Required/Date
Required
Completed/Responsible Foreman
Inspection of structure for
Remove any floatables, accumulated
Yes No
trash, debris, floatables
trash or debris with a dip net or vacuum.
and oil
More frequent cleaning is necessary if
floatables regularly exceed a depth of
1 ft.
Vacuum any visible oil prior to
Yes No
pumping permanent pool of water
downstream.
/ /20 Responsible Party:
Measure depth of
Pump out entire structure annually and
Yes No
accumulated sediment
Measured Depth =
remove sediment anytime depth exceeds
12"
Note:
Sediment depths in the sump over 18"
dictate a more frequent cleaning
regiment.
/ /20 Responsible Party:
Inspect contributing areas
Notify appropriate maintenance staff or
Yes No
for plugged catch basins,
property owner of need to sweep and/or
erosion, trash, leaves, and
remove litter/debris.
debris. Check ground
surface directly adjacent
Sink holes shall be filled and monitored
Yes No
to the structure for
for further depression.
sinkholes or depression
areas
/ /20 Responsible Party:
Inspect all visible
Repair as able and note observations
Yes No
structural components:
notifying maintenance foremen of any
Manholes, Castings,
observed damage to structure,
Snout Structure, Covers
manholes, casings, snout structure and
and pipe connections.
associated loose or missing bolts,
blockages of inlets/outlets, etc.
/ /20 Responsible Pa
Thrivent Corporate Headquarters BMP Maintenance and Inspection Specifications
Jellyfish JFPD0806 Filter System
waia-------------
------------ roiuuu+s�nre►nnsa
II �
t
JXLLVFlSX E93 NOIEB
v • m
a::. . ...........
••� •
r. T�
lip:
'•if«Yf
••y•
of
6 1
�•� x t. a: g f t E 1
{
L + I
•I+
i. I 1 J5]
,
s I
�
♦
♦ %r:#.
CON l Kf♦'\." Y\'J'
JELLYF9X JfPNON
• 1!
wnyry FiM
p NL
1
jFVD0130eFr'' V SYSIFM
DETAIL/PROFILE VIEW
PLAN VIEW
BMP ID: Jellyfish JFPD0806 Filter System
Location: Driveway on northwest side of property
Description of Device: Jellyfish JFPD0806 Filter System consisting
of an 8'x6' precast structure with a 2' sump, seven 40" Jellyfish
cartridges, and a bypass weir. Flow enters the structure through a 12"
HDPE pipe from the east where solids settle out in the sump prior to
entering the filter cartridges with clean flow discharging into a 18"
RCP pipe on the west side of the structure.
Structure Access: Through two maintenance access manholes.
Thrivent Corporate Headquarters BMP Maintenance and Inspection Specifications
BMP ID: Jellyfish JFPD0806 Filter System
Jellyfish JFPD0806 Filter System 4 Maintenance and Inspection Report
Inspection Date
Inspector:
Inspection Activity
Observations/Measurements
Maintenance
Maint.
Actions Required/Date
Required
Completed/Responsible Foreman
Inspection of structure for
Standing water in backwash pool
Yes No
standing water, trash,
indicates filter cartridges require
debris, floatables and oil
rinsing.
Remove any floatables, accumulated
trash or debris with a dip net or vacuum.
More frequent cleaning is necessary if
Yes No
floatables regularly exceed a depth of
I ft.
Vacuum any visible oil prior to
pumping permanent pool of water
downstream.
/ /20 Responsible Party:
Measure depth of
Pump out entire structure annually and
Yes No
accumulated sediment
Measured Depth =
remove sediment anytime depth exceeds
12"
/ /20 Responsible Party:
Inspect contributing areas
Notify appropriate maintenance staff or
Yes No
for plugged catch basins,
property owner of need to sweep and/or
erosion, trash, leaves, and
remove litter/debris.
debris. Check ground
surface directly adjacent
Sink holes shall be filled and monitored
Yes No
to the structure for
for further depression.
sinkholes or depression
/ /20 Responsible Party:
areas
Inspect all visible
Repair as able and note observations
Yes No
structural components:
notifying maintenance foremen of any
manhole, maintenance
observed damage to the structure.
access wall, backwash
pool weir, cartridges, and
Rinse filter cartridges as required by
pipe connections.
most recent inspection results, or within
12 months of most recent rinsing,
whichever occurs sooner. Replace filter
cartridges as needed.
/ /20 Responsible Part