HomeMy WebLinkAbout09_D2_STORMWATER CHAMBER DETAILS_05082021.pdf g Infiltration Systems-CMP Infiltration&CMP Perforated Drainage Pipe
7 Material Location Description Material Designation 2'-6"
0 0 0 0 0 0 0 0 0 0 0 o Designation W W
A Rigid or Flexible Pavement a a
o O O O O O O O O O O O O (if applicable) S
Q Road Base(if applicable
O O O O O O O O O O O
0 0 0 0 0 0 0 0 0 0 0 0 0
Geotextile Layer Non-Woven Geotextile CONTECH C40 Engineer Decision for consideration to prevent soil
O O O O O O O O A or C45 migration into varying soil types.Wrap the trench only.
6 0 0 0 0 0 0 o Backfill Infiltration pipe systems have AASHTO M 145- Material shall be worked into the pipe haunches by FRONT
a pipe perforation sized of A-1 or AASHTO means of shovel-slicing,rodding,air-tamper,vibratory
0 o O O O O rn 3/8"diameter.An open M 43-3,4 rod,or other effective methods. Compaction of all 2-6
W graded,free draining stone, placed fill material is necessary and shall be IXNOTE:
with a particle size of%"—2 considered adequate when no further yielding of the I OR CMP
4 CMP > %"diameter is recommended. material is observed under the compactor,or under F� PIPE SYSTEMS WITH DIAMETERS MANWAY DETAIL APPLICABLE F AND
O O * foot,and the Project Engineer or his representative is
0 o satisfied with the level of compaction" PLAN LARGER.MANWAYS MAY BE REQUIRED
Bedding Stone Well graded granular bedding AASHTO M43- For soil aggregates larger than 3/8"a dedicated ON SMALLER SYSTEMS DEPENDING ON
O O material w/maximum particle 3,357,4,467,5, bedding layer is not required for CMP.Pipe may be TYPICAL MANWAY DETAIL ACTUAL SITE SPECIFIC CONDITIONS.
size of 3" 56,57 placed on the trench bottom comprised of native
O O suitable well graded&granular material.For Arch
HAUNCH ZONE pipes it is recommended to be shaped to a relatively SCALE: N.T.S.
O O flat bottom or fine-grade the foundation to a slight RISER(TYR)
0 0 0 0 0 o v-shape.Soil aggregates less than 3/8"and unsuitable SEE DETAIL
material should be over-excavated and re-placed with
a 4"-6"layer of well graded&granular stone per the
material designation.
Geotextile Layer None None Contech does not recommend geotextiles be placed
3 �q under the invert of Infilitration systems due to the
propensity for geotextiles to clog over time.
A 2 //\/\ / / Note:The listed AASHTO designations are for gradation only. The stone must also be angular and clean.
INITIAL FILL ENVELOPE ——
2 2/3"x 1/2" o o 0 o o 0 0
CORRUGATION-STEEL o ti
0 0 0 0 0 0 0
MINIMUM WIDTH DEPENDS ON SITE CONDITIONS AND ENGINEERING JUDGEMENT. AND ALUMINUM CMP EDGE
0 0 0 0 0 0 0 0
EDGE SPACING EQUAL ,—
0
FOUNDATION/BEDDING PREPARATION ON BOTH SIDES 2 8"
COILWIDTH ELEVATION END
PRIOR TO PLACING THE BEDDING,THE FOUNDATION MUST BE CONSTRUCTED TO OPEN AREA=3.76 SQ IN/SQ FT NOTE:
2 A UNIFORM AND STABLE GRADE. IN THE EVENT THAT UNSUITABLE FOUNDATION TYPICAL RISER DETAIL LADDERS ARE OPTIONALAND ARE NOT
MATERIALS ARE ENCOUNTERED DURING EXCAVATION,THEY SHALL BE REMOVED REQUIRED FOR ALL SYSTEMS.
AND BROUGHT BACK TO THE GRADE WITH A FILL MATERIALAS APPROVED BY SCALE: N.T.S.
THE ENGINEER. 20 MIL HDPE MEMBRANE
3"x 1"CORRUGATION- LINER OVER TOP OF PIPE
HAUNCH ZONE MATERIAL SHALL BE PLACED AND UNIFORMLY COMPACTED WITHOUT STEEL AND ALUMINUM 0 o o o cjs f o o o (IF REQUIRED)
SOFT SPOTS. CMP o o o 0 o
(COIL PROVIDED FROM c.
BACKFILL CONTECH LANTANA,FL o 0 0 0 0 0 0 0
LIMITS OF
MATERIAL SHALL BE PLACED IN 8"-10"MAXIMUM LIFTS.INADEQUATE COMPACTION CAN PLANT) 3 `bIL WIDTH REQUIRED
LEAD TO EXCESSIVE DEFLECTIONS WITHIN THE SYSTEM AND SETTLEMENT OF THE BACKFILL
SOILS OVER THE SYSTEM. BACKFILL SHALL BE PLACED SUCH THAT THERE IS NO MORE OPEN AREA=4.16 SQ IN/SQ FT O O O O
THAN A TWO-LIFT DIFFERENTIAL BETWEEN THE SIDES OF ANY PIPE IN THE SYSTEM AT o o SYSTEM o 0
ALL TIMES DURING THE BACKFILL PROCESS. BACKFILL SHALL BE ADVANCED ALONG DIAMETER VARIES VARIES
THE LENGTH OF THE SYSTEM AT THE SAME RATE TO AVOID DIFFERENTIAL LOADING 5"x 1"CORRUGATION-STEEL ONLY o
ON ANY PIPES IN THE SYSTEM. EDGE SPACING EQUAL ON BOTH SIDES
U O O O O
EQUIPMENT USED TO PLACE AND COMPACT THE BACKFILL SHALL BE OF A SIZE AND U d 0 0 0 0 0 0 o 0 0 0 0 0 0 0 0 0 0
TYPE SO AS NOT TO DISTORT,DAMAGE,OR DISPLACE THE PIPE. ATTENTION MUST r o 0 0 o o 0 0 0 o o o
BE GIVEN TO PROVIDING ADEQUATE MINIMUM COVER FOR SUCH EQUIPMENT.
0 0 0 0 0 0 0 0 0 0 0
MAINTAIN BALANCED LOADING ON ALL PIPES IN THE SYSTEM DURING ALL
SUCH OPERATIONS. __—] 9@2.711"=24.399"
"
OTHERALTERNATE BACKFILL MATERIAL MAY BE ALLOWED DEPENDING ON SITE 2.711 COILWIDTH TYPICAL SECTION VIEW
SPECIFIC CONDITIONS. REFER TO TYPICAL BACKFILL DETAIL FOR MATERIAL OPEN AREA=3.33 SQ IN/SQ FT LINER OVER ROWS
REQUIRED. NOTES: SCALE: N.T.S.
1. PERFORATIONS MEET AASHTO AND ASTM SPECIFICATIONS. NOTE:IF SALTING AGENTS FOR SNOW AND ICE REMOVAL ARE USED ON OR NEAR
2. PERFORATION OPEN AREA PER SQUARE FOOT OF PIPE IS BASED ON THE PROJECT,AN HDPE MEMBRANE LINER IS RECOMMENDED WITH THE SYSTEM.
THE NOMINAL DIAMETER AND LENGTH OF PIPE. THE IMPERMEABLE LINER IS INTENDED TO HELP PROTECT THE SYSTEM FROM THE
3. ALL DIMENSIONS ARE SUBJECT TO MANUFACTURING TOLERANCES. POTENTIAL ADVERSE EFFECTS THAT MAY RESULT FROM A CHANGE IN THE
4. ALL HOLES 03/8". SURROUNDING ENVIRONMENT OVER A PERIOD OF TIME.PLEASE REFER TO THE
CORRUGATED METAL PIPE DETENTION DESIGN GUIDE FOR ADDITIONAL
TYPICAL PERFORATION DETAIL INFORMATION.
3 SCALE: N.T.S.
0
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d The design and Information shown on thls drawing Is provided PROJECT No.: SEQ.No.: DATE:
as a service to the project owner,engineer and contractor by
toContech Enginsered Solutions LLC r"Contech').Neither this A� �_\ITCAIJ 4611 7357 5/3/2021
F drawing,noranypartthereof,may be used,reproduced or \\� �� DY07387 NORTH 3RD AVENUE DUPLEXES
g modified In any manner without the poor written consent of Ceil"I"PNTECH"
��.,��` Illllr�r! DESIGNED: DRAWN:
Contech.Failure to comply is done at the user's own risk and INFILTRATION CHAMBER Contech expressly tlisclaims any liability or responsibility for ENGINEERED SOLUTIONS LLC CMP DETENTION SYSTEMS
DYO DYO
Fsu n use.
r If discre cies between thesu lied information which www.ContechES.com Bozeman, MT CHECKED:DYO APPROVED:DVO
Pan PP Pon
CONTECH
the drewin iabasedandactual fie,d cenditi—meencounlered DYODS
g 9025 Centre Pointe Dr.,Suite 400, West Chester,OH 45069 DETENTION SYSTEM SHEET NO.: D2
d as site work progresses,these discrepancies must be reported L
X to Contech immediately for reevaluation ofthedesign.Contech
W accepts no liability for tlesigns based on missing,incomplete or 800-338-1122 513-645-7000 513-645-7993 FAX DRAWING
inaccunee information supplied!b ethers. DATE REVISION DESCRIPTION BY