Upload
others
View
8
Download
0
Embed Size (px)
Citation preview
NOTES J J w 1 See Standard Specifications Section 7-083(3) 0 0 for Pipe Zone Backfill i z 0 w 2 See Standard Specifications Section 9-0312(3) u
for Gravel Backfill for Pipe Zone Bedding
middot (TYP) 12 GRAVEL BACKFILL FOR
~
PIPE ZONE BEDDING 3 See Standard Specifications Section 2-094 for Measurement of Trench Width
0
4 For sanitary sewer installation concrete pipe shall 6 J be imbedded to spring line SEPARATE BASE (TYP) INTEGRAL BASE
PRECAST PRECAST WITH RISER (48 (IN) - 72 (IN) ONLY)
CONCRETE AND DUCTILE IRON PIPE TYPICAL CONDITION FOR DRAINAGE STRUCTURE THIS DETAIL APPLIES TO STANDARD PLANS B-520
B-540 B-560 B-1020 B-10-40 B-15208-1540 B-1560 B-2520 B-2560 B-3520 AND B-3540
TRENCH WIDTH
(SEE NOTE 3)1~ ~1
PIPE ZONE BACKFILL (SEE NOTE 1)
GRAVEL BACKFILL FOR PIPE ZONE BEDDING
(SEE NOTE 2)
TRENCH WIDTH
(SEE NOTE 3)
85 OD (SEE NOTE 4)
15 OD
w z 0 N w Q a
GRAVEL BACKFILL FOR PIPE ZONE BEDDING
(SEE NOTE 2)
TRENCH WIDTH
(SEE NOTE 3)
ltD
ci 0
k
w z 0 N w Qa
PIPE ZONE BACKFILL (SEE NOTE 1)
GRAVEL BACKFILL FOR PIPE ZONE BEDDING
(SEE NOTE 2)
w z 0 N w Q a
15 RISE
PIPE ARCHES THERMOPLASTIC PIPE
TRENCH WIDTH bull
(SEE NOTE 3)
PIPE ZONE BACKFILL (SEE NOTE 1)
GRAVEL BACKFILL FOR PIPE ZONE BEDDING
(SEE NOTE 2)
FOUNDATION LEVEL l_
k
~ ci w0 0 z LO 0 0
N w ~ 0 ci Q
0 0 aLO
ltD
CLEARANCE BETWEEN PIPES FOR MULTIPLE INSTALLATIONS
PIPE SIZE
MINIMUM DISTANCE BETWEEN BARRELS
CIRCULAR PIPE (DIAMETER)
UP TO 48 24
METAL PIPE ARCH
(SPAN)
48 AND LARGER
DIAMETER2 OR36
WHICHEVER IS LESS
Aug 17 2021
PIPE ZONE BEDDING AND BACKFILL
STANDARD PLAN B-5520-03 SHEET 1 OF 1 SHEET
APPROVED FOR PUBLICATION
~ Aug 17 2021 STATE DESIGN ENGINEER METAL AND STEEL RIB
Washington Stole Department of TransportationREINFORCED POLYETHYLENE PIPE