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BEDDING FOR RIGID PIPE IN TRENCHES
W <Alteirnato Laid -be" TrsMch
__11.41 .1 Pipe Zone
own
01MONSION
Coo" A
Cl... 9 1 class C
Co... D
A
4-ffJtL
1/4 ID
.27"Aunder
.
zoro
12
6 n. over 27 LD -
1/40.0.
kM 0.0
10/8 0-0-
Z-1r.
C
O.D.
1/2 O.D.
WS 0. 0.
1 O.D.
Notes:
, Provide uniform support under bWrWl-
2, Hand tamp under hounches.
3. Compact bagiding matorlal to 95% MOK.
donsity "capt directly over pipe. hand
tamp *my.
4. Make surface of bedding 10161. Or 316PO
up away from pipe. . W
5, Ses Sao. 61- 3.01 for tronch width
and trO&Ck" options. The PIP41 &On*
will bo The *Of" tr4loch WW§h - OUCOP'
that for Class A bedding, t%O sake.
*operate wwth oball be I 1A ID418
6. 9" $00. Sl - 2.04 for be"Ing gradertion.
7. 31defid motorist 111041111 41000fsa to 806'
61-0. adakfil. except that rocks or
lumps larger tbdm I" per toot Of Pips
dismoter "ON not b0 6101041-
TYPE 'F' BEDDING FOR FLEXIBLE PIPE IN TRENCHES
W
Alter**#* laid-back french
6 Notes:
1. Provide uniform support under barrel-
6 2. Work bodding under hounchs4.
3. see Sec. 61- 3 for a a h width 'W'
and trenching options.
O.D.
I A
I STANDAM PL-A NO- 64