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High Capacity H-20 Chamber: AASHTO H-20 Wheel Load Cross Section
Typical (not to scale)
Rating size per 310 CMR 15.242
WELL-GRADED GRANULAR SOIL BACKFILL,
PAVEMENT COMPACTED TO 95%OF THE
GEOGRID(ISI 14,000 OR TENSAR BX1100) STANDARD PROCTOR DENSITY.
THE BACKFILL SHALL CONTAIN
4 OZ.FILTER FABRIC NO MORE THAN 10%FINES
/PASSINGG THE#200 SIEVE.
GEOGRID MUST a��������I���II�I��������il //! <✓ 7,
EXTEND 5'BEYOND ' ',` kc,. !< AA! ' l ^`ll
THE FOOTPRINT i\\/\//\/\/\'rf.4 ? �t� ;�?., "'.\'i: .,.\ , ',h, ✓rA;/ 12.E
OF THE CHAMBERS �, ,_, -:,ham w-r•N,: n;t 't x°.';, 24" 96"
5'MIN. d I r ,,�‘ • k `` X•y 6" MIN. MAX.
\\
1"-2"WASHED,CRUSHED STONE � i���•ri \-.1- ���. - 16,.
1'(TYP.)
INFILTRATOR HIGH CAPACITY
NOTES: CHAMBER(H-20 RATED)
1.Due to stone on the bottom of trench,these applications must be sized similarly to stone beds.
2.The MassDEP approval allows the use of the High Capacity H-20 Chamber but makes no determination as
to the chambers meeting the H-20 loading requirements.
3050 Chamber: AASHTO H-20 Wheel Load Cross Section
Typical(not to scale)
Rating size per 310 CMR 15.242
WELL GRADED GRANULAR BACKFILL WHICH CONTAIN AN
3050 END CAP EVEN DISTRIBUTION OF PARTICLE SIZES WITH NO MORE
THAN 12%PASSING THE#200 SIEVE COMPACTED TO A
3050 CHAMBER MINIMUM OF 95%OF THE STANDARD PROCTOR DENSITY.
SEE THE TABLE OF ACCEPTABLE FILL MATERIALS IN
1-2-INCH WASHED, STORMTECH'S DESIGN MANUAL,INSTALLATION MANUAL,
CRUSHED,ANGULAR STONE OR WWWSTORMTECH.COM.
AASHTO M288 CLASS 2 PAVEMENT
NON-WOVEN GEOTEXTILE
-:' AW
_ :FOR UNPAVED INSTALLATION WHERE
—III—III ' * ":.ROTTING FROM VEHICLES MAY OCCUR, 6"MIN. 18„ 96"
1=I I I—I I ' • INCREASE COVER TO 24 INCHES MIN. MAX.
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rt vfi• .fit- �L, it . n .,r ,L,_,
�Ir.• 1 1�•�Ir v • Ir• 1r, i Ir: 30
—III ire�I 1;, �'i�i•K� •ortki� *Otis*
i4..,•, i4 i1 •
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-III •if,, •1; �� ,r, •�1.-ti•
III—I 9(P.Ir P�}Q" 1. `1'�t 1.i 1�.�yl'�i�41:04; �1.�•It1 �,.•LYElit- i'let.a-:�1'�� ti'''� DEPTH OF STONE
— _ _ TO BE DETERMINED
-I�I—I�I—I�I—III—III—III—III—III—III=III—III—III —III III III—III—IIIIII—III I C I
—I 1 I=I 1 I—I 1 I—III—I I I—I I 1E111-1-111E111E71 LEW III—I I I I—IIIIII—III—III—III- BY DESIGN
1 11TIII\IIII IIII 1 I� \ 1 I I IIIIII=111=11 111-1 11=111 111 111=111—III=III=III- ENGINEER`
6" 51" 12"MIN.TYP.
MIN.
DESIGN ENGINEER IS
RESPONSIBLE FOR ENSURING
SUITABILITY OF SUBGRADE SOILS*
NOTE:The MassDEP approval allows the use of the 3050 Chamber but makes no determination as to the chambers meeting the H-20 loading requirements.
Contact Infiltrator Water Technologies 1-800-221-4436 for additional technical and product information. IIM