EXTERIOR GROUTING

OF FRAME

RISER RINGS-MAX. 6"18" to 24"

BOND ALL JOINTS WITH

MASTIC SEAL WITH KEY-

BASE SECTION

1’ to 4’

SECTION

ECCENTRIC

CONE SECTION

36"

CAST IRON

FRAME AND COVER

206

NOTES

1. STANDARD MANHOLE TO BE USED

FOR PIPES 24" AND LESS.

2. PRECAST CONCRETE STRUCTURES

SHALL HAVE STRENGTH OF 4000 PSI.

3. STANDARD MANHOLE DEPTH = 8’

TOP OF FRAME TO INVERT.

4. LATERAL LINES TO MATCH TOP OF

INLET PIPE AT MANHOLE.

5. ALL INTERIOR JOINTS AND CONNECT-

IONS SHALL BE WATER TIGHT,

AND GROUTED WITH NON-SHRINK

GROUT.

6. ALL MANHOLES SHALL BE VACUUM

TESTED PRIOR TO ACCEPTANCE.

7. BOND ALL MANHOLE SECTION

GROOVES WITH MASTIC SEAL.

INSIDEDROP MANHOLE

MANHOLE BASE

SEE STD.

DRAWING 203

RELINER DROP BOWL

OR EQUIVALENT

SECURE TO MANHOLE

WITH STAINLESS STEEL

FASTENERS

PIPE COUPLER

CHANNEL MANHOLE

TO DIRECT FLOW AS

REQUIRED

2’ to 4’

PLACE STEPS UPSTREAM

ON MAIN CHANNEL

LOCK JOINTS

SEE STD. DWG. 209

8. IF END OF LINE MANHOLE, STEPS SHALL

BE LOCATED ON DOWNSTREAM SIDE AND

CHANNEL SHALL BE CONSTRUCTED FULL

WIDTH OF INTERIOR.

FASTENER CONNECTIONS TO MANHOLE

TO BE A MIN OF 6" FROM ANY JOINT

6" MAX DIA. PVC PIPE SECURED TO

STRUCTUREWITH STAINLESS STEEL

FASTENERSAT 4’ INTERVALS (MIN. OF 2)

Newberg

City of

APPROVED

BY:

DATE:

SCALE: N.T.S.

D. Danicic

STANDARD

DRAWING

REVISIONS:

PUBLIC WORKS ENGINEERING DIVISION

414 E. FIRST STREET NEWBERG, OREGON 97132

PHONE 503-537-1240 - FAX 503-537-1277

May 2007