2011-01-13_PERMIT FILE - C1981038 ‎(3)‎

• Permit No: C1981038
• IBM Index Class Name: Permit File
• Doc Date: 1/13/2011
• Section_Exhibit Name: VOLUME 3 - Structures
• Media Type: D
• Archive: No

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NOTE: Degree of deflection measured between pipes,
giving 2Ys° at each titling.
CERTAIN-TEED
POTABLE WATER PIPE' L
ALLOWABLE BEND
• CALCULATIONS MADE AT 73.4°F ' ~~ 90° ,
i
EQUATIONS USED ~ ~
R=300 ~` = \ '
L=Re" R ~S ~f
180 ~ .
d=Rcos°r/2 GIVEN DATA d
d=PIPE
S=2RsinW2 ACTUAL OD(in.)
A= S sin «/2
«=180L
Rr - «"
1

RADIUS BENDS
The FLUID-TITE couplings IVs" through 8" permit up to
5 degrees deflection. The accompanying table shows
the amount of off set In inches and the radius of the
curve th_t will be made.
OFFSET OF PIPE AND
RADIUS OF PERMISSIBLE CURVE
Length of Plpe In Feet
Degree of ~. 40'
peflectlon
Oflsetln. Radius FL Off~etln. RadluaFt.
1 4.2 1,150 8.4 2,300
2 8.3 572 16.6 1,144
3 12.3 381 24.6 762
/~--~--- ~ '~ 4 16.6 286 33.2 572
~- 2'/z• . 2'/z' ~ 5 20.9 228 41.8 456
20' Joint 40' Joint
Pipe Slxe g R « A or A
tnches ODIn. feet degrees feet degrees feet
1 Yz 1.900 47.5D 24.124 4.15 46.248 15.87
2 2.375 59.38 19.298 3.33 38.596 12.97
2'/z 2.875 71.88 15.942 2.76 31.884 10.83
3 3.500 87.50 13.096 2.27 26.192 8.99
3'/z 4.000 100.00 11.459 1.99 22.918 7.90
4 4.500 112.50 13.184 1.77 20.368 7,03
5 5.563 139.07 8.238 1.44 16.476 5.71
6 6.625 165.63 6.918 1.21 13.836 4.80
6 8.625 215.63 5.314 .93 -
.74 - -
12 12.750 318.75 3.594 .62 - -
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