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A
R
E
N
O
T
R
E
C
O
M
M
E
N
D
E
D
F
O
R
P
I
P
E
S
I
Z
E
S
G
R
E
A
T
E
R
T
H
A
N
1
0
"
(
2
5
0
m
m
)
.
T
H
E
I
N
V
E
R
T
L
O
C
A
T
I
O
N
I
N
C
O
L
U
M
N
'
B
'
A
R
E
T
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E
H
I
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T
P
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S
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E
.
U
P
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O
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A
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W
E
B
C
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I
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R
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A
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B
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F
O
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IMPORTANT - NOTES FOR THE B
I
D
D
I
N
G
A
N
D
I
N
S
T
A
L
L
A
T
I
O
N
O
F
M
C
-
4
5
0
0
CHAMBER SYSTEM1.STORMTECH MC-4500 CHAMBERS SHALL N
O
T
B
E
I
N
S
T
A
L
L
E
D
U
N
T
I
L
T
H
E
M
A
N
U
F
A
C
T
U
R
E
R
'
S
REPRESENTATIVE HAS COMPLETED A PRE
-
C
O
N
S
T
R
U
C
T
I
O
N
M
E
E
T
I
N
G
W
I
T
H
T
H
E
I
N
S
T
A
L
L
E
R
S
.
2.STORMTECH MC-4500 CHAMBERS SHALL B
E
I
N
S
T
A
L
L
E
D
I
N
A
C
C
O
R
D
A
N
C
E
W
I
T
H
T
H
E
"
S
T
O
R
M
T
E
C
H
MC-3500/MC-4500 CONSTRUCTION GUIDE".3.CHAMBERS ARE NOT TO BE BACKFILLED
W
I
T
H
A
D
O
Z
E
R
O
R
E
X
C
A
V
A
T
O
R
S
I
T
U
A
T
E
D
O
V
E
R
T
H
E
C
H
A
M
B
E
R
S
.
STORMTECH RECOMMENDS 3 BACKFILL M
E
T
H
O
D
S
:
·STONESHOOTER LOCATED OFF THE
C
H
A
M
B
E
R
B
E
D
.
·BACKFILL AS ROWS ARE BUILT USIN
G
A
N
E
X
C
A
V
A
T
O
R
O
N
T
H
E
F
O
U
N
D
A
T
I
O
N
S
T
O
N
E
O
R
S
U
B
G
R
A
D
E
.
·BACKFILL FROM OUTSIDE THE EXCA
V
A
T
I
O
N
U
S
I
N
G
A
L
O
N
G
B
O
O
M
H
O
E
O
R
E
X
C
A
V
A
T
O
R
.
4.THE FOUNDATION STONE SHALL BE LEVEL
E
D
A
N
D
C
O
M
P
A
C
T
E
D
P
R
I
O
R
T
O
P
L
A
C
I
N
G
C
H
A
M
B
E
R
S
.
5.JOINTS BETWEEN CHAMBERS SHALL BE P
R
O
P
E
R
L
Y
S
E
A
T
E
D
P
R
I
O
R
T
O
P
L
A
C
I
N
G
S
T
O
N
E
.
6.MAINTAIN MINIMUM - 9" (230 mm) SPACING
B
E
T
W
E
E
N
T
H
E
C
H
A
M
B
E
R
R
O
W
S
.
7.INLET AND OUTLET MANIFOLDS MUST BE I
N
S
E
R
T
E
D
A
M
I
N
I
M
U
M
O
F
1
2
"
(
3
0
0
m
m
)
I
N
T
O
C
H
A
M
B
E
R
E
N
D
C
A
P
S
.
8.EMBEDMENT STONE SURROUNDING CHA
M
B
E
R
S
M
U
S
T
B
E
A
C
L
E
A
N
,
C
R
U
S
H
E
D
,
A
N
G
U
L
A
R
S
T
O
N
E
M
E
E
T
I
N
G
THE AASHTO M43 DESIGNATION OF #3 OR
#
4
.
9.STONE SHALL BE BROUGHT UP EVENLY A
R
O
U
N
D
C
H
A
M
B
E
R
S
S
O
A
S
N
O
T
T
O
D
I
S
T
O
R
T
T
H
E
C
H
A
M
B
E
R
SHAPE. STONE DEPTHS SHOULD NEVER D
I
F
F
E
R
B
Y
M
O
R
E
T
H
A
N
1
2
"
(
3
0
0
m
m
)
B
E
T
W
E
E
N
A
D
J
A
C
E
N
T
CHAMBER ROWS.10.STONE MUST BE PLACED ON THE TOP CE
N
T
E
R
O
F
T
H
E
C
H
A
M
B
E
R
T
O
A
N
C
H
O
R
T
H
E
C
H
A
M
B
E
R
S
I
N
P
L
A
C
E
AND PRESERVE ROW SPACING.11.THE CONTRACTOR MUST REPORT ANY DI
S
C
R
E
P
A
N
C
I
E
S
W
I
T
H
C
H
A
M
B
E
R
F
O
U
N
D
A
T
I
O
N
M
A
T
E
R
I
A
L
B
E
A
R
I
N
G
CAPACITIES TO THE SITE DESIGN ENGINE
E
R
.
12.ADS RECOMMENDS THE USE OF "FLEXST
O
R
M
C
A
T
C
H
I
T
"
I
N
S
E
R
T
S
D
U
R
I
N
G
C
O
N
S
T
R
U
C
T
I
O
N
F
O
R
A
L
L
I
N
L
E
T
S
TO PROTECT THE SUBSURFACE STORMW
A
T
E
R
M
A
N
A
G
E
M
E
N
T
S
Y
S
T
E
M
F
R
O
M
C
O
N
S
T
R
U
C
T
I
O
N
S
I
T
E
RUNOFF.NOTES FOR CONSTRUCTION EQ
U
I
P
M
E
N
T
1.STORMTECH MC-4500 CHAMBERS SHALL B
E
I
N
S
T
A
L
L
E
D
I
N
A
C
C
O
R
D
A
N
C
E
W
I
T
H
T
H
E
"
S
T
O
R
M
T
E
C
H
MC-3500/MC-4500 CONSTRUCTION GUIDE".2.THE USE OF EQUIPMENT OVER MC-4500 C
H
A
M
B
E
R
S
I
S
L
I
M
I
T
E
D
:
·NO EQUIPMENT IS ALLOWED ON BAR
E
C
H
A
M
B
E
R
S
.
·NO RUBBER TIRED LOADER, DUMP T
R
U
C
K
,
O
R
E
X
C
A
V
A
T
O
R
S
A
R
E
A
L
L
O
W
E
D
U
N
T
I
L
P
R
O
P
E
R
F
I
L
L
DEPTHS ARE REACHED IN ACCORDA
N
C
E
W
I
T
H
T
H
E
"
S
T
O
R
M
T
E
C
H
M
C
-
3
5
0
0
/
M
C
-
4
5
0
0
C
O
N
S
T
R
U
C
T
I
O
N
GUIDE".·WEIGHT LIMITS FOR CONSTRUCTIO
N
E
Q
U
I
P
M
E
N
T
C
A
N
B
E
F
O
U
N
D
I
N
T
H
E
"
S
T
O
R
M
T
E
C
H
MC-3500/MC-4500 CONSTRUCTION G
U
I
D
E
"
.
3.FULL 36" (900 mm) OF STABILIZED COVER
M
A
T
E
R
I
A
L
S
O
V
E
R
T
H
E
C
H
A
M
B
E
R
S
I
S
R
E
Q
U
I
R
E
D
F
O
R
D
U
M
P
TRUCK TRAVEL OR DUMPING.USE OF A DOZER TO PUSH EMBEDMENT STONE
B
E
T
W
E
E
N
T
H
E
R
O
W
S
O
F
C
H
A
M
B
E
R
S
M
A
Y
C
A
U
S
E
D
A
M
A
G
E
T
O
CHAMBERS AND IS NOT AN ACCEPTABLE BACK
F
I
L
L
M
E
T
H
O
D
.
A
N
Y
C
H
A
M
B
E
R
S
D
A
M
A
G
E
D
B
Y
U
S
I
N
G
T
H
E
"
D
U
M
P
AND PUSH" METHOD ARE NOT COVERED UNDE
R
T
H
E
S
T
O
R
M
T
E
C
H
S
T
A
N
D
A
R
D
W
A
R
R
A
N
T
Y
.
CONTACT STORMTECH AT 1-888-892-2694 WITH
A
N
Y
Q
U
E
S
T
I
O
N
S
O
N
I
N
S
T
A
L
L
A
T
I
O
N
R
E
Q
U
I
R
E
M
E
N
T
S
O
R
W
E
I
G
H
T
LIMITS FOR CONSTRUCTION EQUIPMENT.MC-4500 STORMTECH CHAMBER SPECIFICATIONS1.CHAMBERS SHALL BE STORMTECH MC-4500.2.CHAMBERS SHALL BE ARCH-SHAPED AND SHALL BE MANUFACTURED FROM VIRGIN, IMPACT-MODIFIEDPOLYPROPYLENE COPOLYMERS.3.CHAMBERS SHALL MEET THE REQUIREMENTS OF ASTM F2418-16a, "STANDARD SPECIFICATION FORPOLYPROPYLENE (PP) CORRUGATED WALL STORMWATER COLLECTION CHAMBERS" CHAMBERCLASSIFICATION 60x101.4.CHAMBER ROWS SHALL PROVIDE CONTINUOUS, UNOBSTRUCTED INTERNAL SPACE WITH NO INTERNALSUPPORTS THAT WOULD IMPEDE FLOW OR LIMIT ACCESS FOR INSPECTION.5.THE STRUCTURAL DESIGN OF THE CHAMBERS, THE STRUCTURAL BACKFILL, AND THE INSTALLATIONREQUIREMENTS SHALL ENSURE THAT THE LOAD FACTORS SPECIFIED IN THE AASHTO LRFD BRIDGEDESIGN SPECIFICATIONS, SECTION 12.12, ARE MET FOR: 1) LONG-DURATION DEAD LOADS AND 2)SHORT-DURATION LIVE LOADS, BASED ON THE AASHTO DESIGN TRUCK WITH CONSIDERATION FOR IMPACTAND MULTIPLE VEHICLE PRESENCES.6.CHAMBERS SHALL BE DESIGNED, TESTED AND ALLOWABLE LOAD CONFIGURATIONS DETERMINED INACCORDANCE WITH ASTM F2787, "STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTICCORRUGATED WALL STORMWATER COLLECTION CHAMBERS". LOAD CONFIGURATIONS SHALL INCLUDE: 1)INSTANTANEOUS (<1 MIN) AASHTO DESIGN TRUCK LIVE LOAD ON MINIMUM COVER 2) MAXIMUMPERMANENT (75-YR) COVER LOAD AND 3) ALLOWABLE COVER WITH PARKED (1-WEEK) AASHTO DESIGNTRUCK.7.REQUIREMENTS FOR HANDLING AND INSTALLATION:·TO MAINTAIN THE WIDTH OF CHAMBERS DURING SHIPPING AND HANDLING, CHAMBERS SHALL HAVEINTEGRAL, INTERLOCKING STACKING LUGS.·TO ENSURE A SECURE JOINT DURING INSTALLATION AND BACKFILL, THE HEIGHT OF THE CHAMBERJOINT SHALL NOT BE LESS THAN 3”.·TO ENSURE THE INTEGRITY OF THE ARCH SHAPE DURING INSTALLATION, a) THE ARCH STIFFNESSCONSTANT AS DEFINED IN SECTION 6.2.8 OF ASTM F2418 SHALL BE GREATER THAN OR EQUAL TO 500LBS/IN/IN. AND b) TO RESIST CHAMBER DEFORMATION DURING INSTALLATION AT ELEVATEDTEMPERATURES (ABOVE 73° F / 23° C), CHAMBERS SHALL BE PRODUCED FROM REFLECTIVE GOLDOR YELLOW COLORS.8.ONLY CHAMBERS THAT ARE APPROVED BY THE SITE DESIGN ENGINEER WILL BE ALLOWED. UPONREQUEST BY THE SITE DESIGN ENGINEER OR OWNER, THE CHAMBER MANUFACTURER SHALL SUBMIT ASTRUCTURAL EVALUATION FOR APPROVAL BEFORE DELIVERING CHAMBERS TO THE PROJECT SITE ASFOLLOWS:·THE STRUCTURAL EVALUATION SHALL BE SEALED BY A REGISTERED PROFESSIONAL ENGINEER.·THE STRUCTURAL EVALUATION SHALL DEMONSTRATE THAT THE SAFETY FACTORS ARE GREATERTHAN OR EQUAL TO 1.95 FOR DEAD LOAD AND 1.75 FOR LIVE LOAD, THE MINIMUM REQUIRED BYASTM F2787 AND BY SECTIONS 3 AND 12.12 OF THE AASHTO LRFD BRIDGE DESIGN SPECIFICATIONSFOR THERMOPLASTIC PIPE.·THE TEST DERIVED CREEP MODULUS AS SPECIFIED IN ASTM F2418 SHALL BE USED FOR PERMANENTDEAD LOAD DESIGN EXCEPT THAT IT SHALL BE THE 75-YEAR MODULUS USED FOR DESIGN.9.CHAMBERS AND END CAPS SHALL BE PRODUCED AT AN ISO 9001 CERTIFIED MANUFACTURING FACILITY.INSPECTION & MAINT
E
N
A
N
C
E
STEP 1)INSPECT ISOLATOR
R
O
W
P
L
U
S
F
O
R
S
E
D
I
M
E
N
T
A.INSPECTION PO
R
T
S
(
I
F
P
R
E
S
E
N
T
)
A.1.REMOVE/OP
E
N
L
I
D
O
N
N
Y
L
O
P
L
A
S
T
I
N
L
I
N
E
D
R
A
I
N
A.2.REMOVE AN
D
C
L
E
A
N
F
L
E
X
S
T
O
R
M
F
I
L
T
E
R
I
F
I
N
S
T
A
L
L
E
D
A.3.USING A FLA
S
H
L
I
G
H
T
A
N
D
S
T
A
D
I
A
R
O
D
,
M
E
A
S
U
R
E
D
E
P
T
H
O
F
S
E
D
I
M
E
N
T
A
N
D
R
E
C
O
R
D
O
N
MAINTENAN
C
E
L
O
G
A.4.LOWER A CA
M
E
R
A
I
N
T
O
I
S
O
L
A
T
O
R
R
O
W
P
L
U
S
F
O
R
V
I
S
U
A
L
I
N
S
P
E
C
T
I
O
N
O
F
S
E
D
I
M
E
N
T
L
E
V
E
L
S
(OPTIONAL)A.5.IF SEDIMENT
I
S
A
T
,
O
R
A
B
O
V
E
,
3
"
(
8
0
m
m
)
P
R
O
C
E
E
D
T
O
S
T
E
P
2
.
I
F
N
O
T
,
P
R
O
C
E
E
D
T
O
S
T
E
P
3
.
B.ALL ISOLATOR P
L
U
S
R
O
W
S
B.1.REMOVE CO
V
E
R
F
R
O
M
S
T
R
U
C
T
U
R
E
A
T
U
P
S
T
R
E
A
M
E
N
D
O
F
I
S
O
L
A
T
O
R
R
O
W
P
L
U
S
B.2.USING A FLA
S
H
L
I
G
H
T
,
I
N
S
P
E
C
T
D
O
W
N
T
H
E
I
S
O
L
A
T
O
R
R
O
W
P
L
U
S
T
H
R
O
U
G
H
O
U
T
L
E
T
P
I
P
E
i)MIRRORS
O
N
P
O
L
E
S
O
R
C
A
M
E
R
A
S
M
A
Y
B
E
U
S
E
D
T
O
A
V
O
I
D
A
C
O
N
F
I
N
E
D
S
P
A
C
E
E
N
T
R
Y
ii)FOLLOW
O
S
H
A
R
E
G
U
L
A
T
I
O
N
S
F
O
R
C
O
N
F
I
N
E
D
S
P
A
C
E
E
N
T
R
Y
I
F
E
N
T
E
R
I
N
G
M
A
N
H
O
L
E
B.3.IF SEDIMENT
I
S
A
T
,
O
R
A
B
O
V
E
,
3
"
(
8
0
m
m
)
P
R
O
C
E
E
D
T
O
S
T
E
P
2
.
I
F
N
O
T
,
P
R
O
C
E
E
D
T
O
S
T
E
P
3
.
STEP 2)CLEAN OUT ISOLATO
R
R
O
W
P
L
U
S
U
S
I
N
G
T
H
E
J
E
T
V
A
C
P
R
O
C
E
S
S
A.A FIXED CULVER
T
C
L
E
A
N
I
N
G
N
O
Z
Z
L
E
W
I
T
H
R
E
A
R
F
A
C
I
N
G
S
P
R
E
A
D
O
F
4
5
"
(
1
.
1
m
)
O
R
M
O
R
E
I
S
PREFERREDB.APPLY MULTIPLE
P
A
S
S
E
S
O
F
J
E
T
V
A
C
U
N
T
I
L
B
A
C
K
F
L
U
S
H
W
A
T
E
R
I
S
C
L
E
A
N
C.VACUUM STRUC
T
U
R
E
S
U
M
P
A
S
R
E
Q
U
I
R
E
D
STEP 3)REPLACE ALL COVER
S
,
G
R
A
T
E
S
,
F
I
L
T
E
R
S
,
A
N
D
L
I
D
S
;
R
E
C
O
R
D
O
B
S
E
R
V
A
T
I
O
N
S
A
N
D
A
C
T
I
O
N
S
.
STEP 4)INSPECT AND CLEAN
B
A
S
I
N
S
A
N
D
M
A
N
H
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