Correspondence (429) 09/07/2000 10: 04 4253925734 JEFF BECK — ADS PAGE 01
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FAX TRANSMISSION
TO Gary Campella
FAX:
FROM Jeff Beck
FAX: 425- 392 -5734
RE: Tigard Lowes/Eagle Hardware
BATE: September 7, 2000
PAGES 3
0 Urgent For Review El Please Comment Please Reply 0 Recycle
John Harper with Continental Dirt asked me to copy you in on this letter. If you have
any questions please feel free to contact me.
Thanks,
Jeff Beck
ADVANCED DRAINAGE SYSTEMS, INC. PO Sows 2081 ISSAQUAH. WA 98027 TEL 425- 392 -5757 FAN: 425- 382 -5734
HTWJII WWADS -PME COM
09/07/2000 10:04 4253925734 JEFF BECK - ADS PAGE 02
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THE MOST %1'4)``finr';2' NAME IN DRAINAGE SYSTEMS
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`ILLOW
September 7, 2000
Continentai Dirt and Aggregate
1340 M Street SE, Suite A
Auburn, WA 98002
Attn: John Harper
Re: Tigard LoweslEagle Hardware
ADS N -12® Corrugated Polyethylene Pips
Dear John:
ft is very common for contractors to install our material directly into manholes and grouting around
the pipe. in fact I have attached a typical detail from ADS showing our recommended grouted
manhole +connection. Additionally, we do not require or recommend that the pipe have a joint
within one toot of the male. We have thousands of stressful installations installed per this
detail.
Crated polyethylene pipe, along with PVC and corrugated metal pipe, are considered
"flexible" pipe, mewling that they have the unique ability to slightly deflect during installation to
shed the load to the surrounding soil. This ability also allows the material to better handle minor
movements of the culvert or storm sewer system without jeopardizing the integrity of the pipe or
the complete system.
I hope this information helps darify ADS' recommended procedures to connecting our material to
concnste manholes. Please do not hesitate to contact me if you have any additional questions.
Sincerely,
7 re Bede, P.E.
NW Regional Engineer
Cc: Gary Campella — Building Official — City of Tigard
Bcc: Mike Whaley
Jim ficker
ADVANCED DRAINADE SYSTEMS, INC. 9.0. DOX 2001 I$$AOUAI, WA 99027-0093 TFI. 425 / 392-5757 FAX: 4 25 / 392 -5734
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THE MOST ADVANCED NAME IN DRAINAGE SYSTEMS
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FAX TRANSMISSION
TO: Gary Campella
FAX: 503- 684 -7297
FROM: Jeff Beck
FAX: 425- 392 -5734
RE: AASHTOM294
DATE: September 7, 2000
PAGES:
O Urgent 0 For Review ❑ Please Comment ❑ Please Reply 0 Recycle
ADVANCED DRAINAGE SYSTEMS, INC. 3300 RIVERSIDE DRIVE COLUMBUS, 01143221 TEL: 614 -457 -3051 FAX:614- 459 -0169
HTTP://WWW.AOS- PIPE.COM