HomeMy WebLinkAboutS-345906W *3,/4" SQUARES SPACED - 3/4" CONCRETE BLOCKING SIZING PROCEDURE
NDICATED - HT. 1/8" CONCRETE A. GENERAL - Go to Table 2: Table 2 gives the safe bearir load for
N y 5 CLASS 3000 THE AMOUNT OF CONCRETE REQUIRED TO ANCHOR HORIZONTAL BENDS, g 9
° TEES, AND DEAD ENDS DEPENDS ON THE STRENGTH OF THE SOIL. THE sand and gravel: 3,000 lbs. /sq. ft.
N .: - Go to figure 1: figure 1 indicates the position
s o A 1 0 METHODS OF PLACING CONCRETE TO KEEP THE JOINT ACCESSIBLE IS
1/2° SHOWN IN FIGURE 1. THE AREA IN SQUARE FEET OF CONCRETE WHICH of the concrete for blocking the 90' bend
"'- MUST BEAR AGAINST THE SIDE OF THE TRENCH IS FOUND BY DMDING - Go to the specifications of the project and find
° - THE THRUST IN POUNDS SHOWN IN TABLE t BY THE S4fE BFARING LOAD depth of trench (h) = 4 feet
� � c,i � 4-3/4" OF THE SOIL AS SHOWN IN TABLE 2. -Width of trench (W) = 3 feet
IW- Oz ¢ 12 "0 8. CRITERWith the above assembled information,
z 1 -x 1. THE SIZING PROCEDURE IS FOR HORIZONTAL OR DOWNWARD
WO c COVER TO READ °SEWER° THRUST ONLY. we proceed to the final calculations:
IN RAISED LETTERS RAISE -1/2 FIBER JOINT PACKING 2. HEIGHT OF THE THRUST BLOCK MUST BE EQUAL TO OR LESS
p O N GO NOTES. WIDE BORDER THAN 1 2 THE DEPTH FROM THE GROUND SURFACE TO THE BLOCK Thrust 21 60_ O F -C C.D / -Area of Concrete (A) _ _ 000 7.12 sq ft.
BASE Safe Bearing Load 3,000 1. IN UNIMPROVED AREAS POUR 1' -0° THICK 2' -0° SQUARE 3. THE THRUST BLOCK BEARING FACE IS APPROXIMATELY
on z
1"- O CONCRETE, CLASS 3000, PAD AROUND RING AND COVER. 10" RECTANGULAR. Depth of Trench in Feet
4. THE CONCRETE BLOCKING SHALL BE AS PER APWA _ 2
O an o PIPE MATERIAL =PVC SDR 35 45' (1 /8) BEND - Maximum Height of Thrust Block Hm
z z 0 2. IN ASPHALT ROADWAYS RESTORE AROUND CLEANOUr RING g" SPECIFICATION 74 -2.14. 9 ( ) _� =-4= 2.0 ft.
O AND COVER AS REQUIRED BY STANDARD DETAIL DRAWING BR36. C. SYMBOLS 2
D = OUTSIDE DIAMETER OF PIPE IN FEET -
T = THRUST IN POUNDS AT THE FfRTNG (TABLE 1) - Depth of Concrete Thrust Block (Dc)
1 -1/4'• 1/2' 2" 5J8" SBL = SAFE BEARING LOAD IN POUNDS /SQ. FT. (TABLE 2)
88 r� H = DEPTH OF TRENCH IN FEET _Width of Trench in Feet (W) - Outside Diameter of Pipe (d)
Z 3 2 -7 8' 4' m A =AREA OFFCONRCEtE WHICH MUST BEAR AGAINST = 3 - 0'2 = 1.13 ft. 2
W Amo of Concrete
WQ a 7 `a - Maximum Length of Thrust Block (Lm) -Height of Concrete
S THE SIDE OF THE TRENCH IN SQ. FT.
y ,,,;,c HM = MAXIMUM HEIGHT OF THE THRUST BLOCK IN FEET =A-=! .2 _ 3.56 ft.
p DC = DEPTH OF THE CONCRETE THRUST BLOCK TO Hm 2.0
BEARING SURFACE IN FEET
7 -3 4 - - Required Amount of Concrete = (Height x Depth x Length) x 0.03704
UA = MAXIMUM LENGTH OF THE THRUST BLOCK IN FEET
_ (Hm x Lm x Dc) x 0.03704
B II PLUG TO BE SEALED ((
O ; --� -T- IN SAME MANNER AS = 3 Y 0 cu. 56d z 1.13) x 0.03704
Z N 15" - - _ _ MAIN SEWER JOINTS. ,,,,,1 NTS
a' CAST IRON RING AND COVER Sudary Sewer Cleanout b GROUND SURFACE TABLE 1
S 2�
V = TOP ELEVATION= SEE TABLE
OIL /WATER SEPARATOR NOTE h d
• `o HOLD -DOWN "? THE OIL WATER SEPARATOR SHALL BE UTILITY VAULT 577 CPS APPROVED EQUAL Hm h
m o ° FOR COALESCING MEDN
o.- WITH THE FOLLOWING SPECIFICATIONS: 2 '
wz 9 _
�'E DESIGN FLOW 0.363 CFS BLOCK BASE \�
3 a RISERS PROJECTED PLATE AREA 590 SQ FT Dc
(SEE TABLE) DESIGN TEMPERATURE 39' F W
SPECIFIC GRAVITY OF OIL 85 gm /cc
►-ti W a a o o MINIMUM OIL PARTICLE SIZE REMOVED 60 MICRONS
c 6° INLET _ _ _ _ o / o _ Q 6° OUTLET DO NOT PAVE OR GO UNTIL AFTER SEPARATOR MODULE HAS BEEN INSTALLED. D. CALCULATION EQUATION
IE= (SEE TABLE) = IE= (SEE TABLE) FILL WITH CLEAN WATER PRIOR TO START UP.
1. Area of Concrete (A) = Thrust In Pounds =1
Size
Pressure
PSI
Thrust at Fittings in Pounds
Tees
90'
45'
22 -1/2"
11 -1/4°
INLET IE
29.72
Dead Ends
Bend'.
Bend
Bend
Bend
3°
300
2,120
31000
1,630
830
430
4°
300
3,780
5,370
2,910
1,470
750
6°
300
8,500
12,001)
6,510
3,320
1,700
8"
300
15,100
21,360
11,550
5,880
3,020
10"
275
21,620
30,570
16,540
8,430
4,330
12"
250
33,930
48,000
25,950
13,260
6,780
14°
250
46,200
65,370
35,340
18,030
9,240
16"
225
45,250
64,0 0
34,620
17,650
9,050
18"
200
50,900
72,0gqO
38,940
19,860
10,180
20"
200
62,840
88,900
48,080
24,520
12,560
24°
200
90,480
127,9j30
69,200
35,320
18,100
30"
200
141,370
199,9130
108,150
55,140
28,280
36°
200
203,580
287,950
155,740
79,400
40,720
j Safe Bearing Load In Pounds / SBL
7C - OUTLET PIPE NOTE:
WITH SAMPLING TEE OIL WATER SEPARATOR SHALL BE UTLIIY VAULT 577 CPS COALESCING PLATE STORM 2. Maximum Height of Thrust Block (Hm) = Depth of Trench in Feet -h TABLE 2
WATER SEPARATOR MODEL 577 -SA OR APPROVED EQUAL
INLET PIPE BY OTHERS 2 2 TSaafe Bearing Loads iinn Lb. /Sa. Fth f II t 61 f
o m WITH SAMPLING TEE 'J
(Width of Trench in Feet) - e s e eanng oa s given In e o owing o e are or
(Outside Diameter of Pipe in Feet) horizontal thrusts when the depth of cover over the pipe
3. Depth of Concrete Thrust Black = 2 2 exceeds 2 feet.
4. Maximum Length of Thrust Block (Lm) = Area of Concrete = A SOIL �e per Siii. Load
Maximum Height Hm •Muck, peat, etc. 0� f
5. Required Amount of Concrete (Cu. Yd.)= (Height x Depth )x Length) x 0.03704 Sa dCI% 2,000
= Hm x Lm z Dc x 0.03704 Sand and Gravel 3,000
E. EXAMPLE Sand and Gravel Cemented with Clay 4,000
1. Proe Hard Shale 10;000
:
Calculation of the amount of concrete required to block a 90' bend in an 8°
' • ,
VAULT p C.I. water main; the normal operating pressure in the pipe will be 65 psi *In muck or peat, all thrusts shall be restrained: by piles or
577-CPS
and the soil condition in the area indicates sand and gravel. tie rods to solid foundations or by removal of amuck
wa z 6 SEDIMENT WEIR-/ �- -COALESCING MEDIA qL RETAININ4 -1/2° NTS or peat and replacement with ballast of sufficient
BAFFLE Sand 1 Oil Separator - 2' '�' stability to resist thrusts.
Maximum testing pressure (See Table 1) = 300 psi.
- Outside diameter of 8° pipe = 9.05 in. = 9.05/12
- Go to Table 1: The testing pressure of 300 psi, we see
a that the thrust on a 90' bend is 21,360 pounds.
s a 8 °x8° VERTICAL CROSSING (WxFL)
((1)) 8" BLIND FLANGE
a (1) 8° BLIND FLANGE W/ 2° TAP & 2° PLUG \
o. 1 8° PLUG (MJ) W/ 2" TAP & BLOW OFF 11 -1/4'
a W/ TEMP BLOCKING 90' BEND
w
REMOVE CLEANING 'POLY-PIG" CAP
a
0 22 -1/2'
FIGURE 1 '..
EXISTING 12" DI WATER EXISTING 12° DI WATER
M NOTE: FOR CONVEX VERTICAL BENDS BLOCKING
.�{ tp• It- SEE APWA STANDARD PLAN NO. 73.
�A
�e
4
AFTER ALL TESTING, CLEANING, 1 12 °x8° TEE (FLxFL) S
AND DISINFECTING REMOVE TEMP 2 12° GATE VALVES (FLxMJ) �.�6 ",>3'�`'�•a�'
BLOCKING & BLOW OFF AND CONNECT 1 8° GATE VALVE (FLxMJ)
WITH 8" SLEEVE (MJ) & 8° SPOOL 2 12° SLEEVES (MJ)
zo 2 8° SPOOLS (MJ)�Q
N FPJAL WTI DEAL TESTM DUAL 1 8° PLUG (MJ 45' BEND
W/ 2" TAP & TEMP BLOW OFF TEE `+
W/ THRUST BLOCKING
NITS �/�
DETAL A Concrete Blocking Sizing Procedure L
,�tir�
C.
Ao Renton School District SHEET
COUGHLIN PORTERL EE 444 w°fw�s �� Transportation Center
A CONSULTING STRUCTURAL AND CIVIL ENGINEERING CORPORATION y er a" °®
IFMZO 413 STREET A 981 SUITE 300 P: 206/343 -5691 A�8 '�'Y (015 1NTS SEATTLE, WA 98101 F: 206/343 -5691 0 °v@g$T /�Q° „/ � 1 Water Testing and Correction Detail 1® sIONAL 1islio DE'T
STORMWATER
0/W SEP
BUS WASH
0/W SEP
SERVICE BLDG
01W SEP
TOP EL
34.85
37.27
35.90.
INLET IE
29.72
28.64
30.27
OUTLET IE
29.72
28.64
30.27
RISERS
(1) 12°
(1) 18°
(3) 24°
(1) 12"
(1) 24°
(Width of Trench in Feet) - e s e eanng oa s given In e o owing o e are or
(Outside Diameter of Pipe in Feet) horizontal thrusts when the depth of cover over the pipe
3. Depth of Concrete Thrust Black = 2 2 exceeds 2 feet.
4. Maximum Length of Thrust Block (Lm) = Area of Concrete = A SOIL �e per Siii. Load
Maximum Height Hm •Muck, peat, etc. 0� f
5. Required Amount of Concrete (Cu. Yd.)= (Height x Depth )x Length) x 0.03704 Sa dCI% 2,000
= Hm x Lm z Dc x 0.03704 Sand and Gravel 3,000
E. EXAMPLE Sand and Gravel Cemented with Clay 4,000
1. Proe Hard Shale 10;000
:
Calculation of the amount of concrete required to block a 90' bend in an 8°
' • ,
VAULT p C.I. water main; the normal operating pressure in the pipe will be 65 psi *In muck or peat, all thrusts shall be restrained: by piles or
577-CPS
and the soil condition in the area indicates sand and gravel. tie rods to solid foundations or by removal of amuck
wa z 6 SEDIMENT WEIR-/ �- -COALESCING MEDIA qL RETAININ4 -1/2° NTS or peat and replacement with ballast of sufficient
BAFFLE Sand 1 Oil Separator - 2' '�' stability to resist thrusts.
Maximum testing pressure (See Table 1) = 300 psi.
- Outside diameter of 8° pipe = 9.05 in. = 9.05/12
- Go to Table 1: The testing pressure of 300 psi, we see
a that the thrust on a 90' bend is 21,360 pounds.
s a 8 °x8° VERTICAL CROSSING (WxFL)
((1)) 8" BLIND FLANGE
a (1) 8° BLIND FLANGE W/ 2° TAP & 2° PLUG \
o. 1 8° PLUG (MJ) W/ 2" TAP & BLOW OFF 11 -1/4'
a W/ TEMP BLOCKING 90' BEND
w
REMOVE CLEANING 'POLY-PIG" CAP
a
0 22 -1/2'
FIGURE 1 '..
EXISTING 12" DI WATER EXISTING 12° DI WATER
M NOTE: FOR CONVEX VERTICAL BENDS BLOCKING
.�{ tp• It- SEE APWA STANDARD PLAN NO. 73.
�A
�e
4
AFTER ALL TESTING, CLEANING, 1 12 °x8° TEE (FLxFL) S
AND DISINFECTING REMOVE TEMP 2 12° GATE VALVES (FLxMJ) �.�6 ",>3'�`'�•a�'
BLOCKING & BLOW OFF AND CONNECT 1 8° GATE VALVE (FLxMJ)
WITH 8" SLEEVE (MJ) & 8° SPOOL 2 12° SLEEVES (MJ)
zo 2 8° SPOOLS (MJ)�Q
N FPJAL WTI DEAL TESTM DUAL 1 8° PLUG (MJ 45' BEND
W/ 2" TAP & TEMP BLOW OFF TEE `+
W/ THRUST BLOCKING
NITS �/�
DETAL A Concrete Blocking Sizing Procedure L
,�tir�
C.
Ao Renton School District SHEET
COUGHLIN PORTERL EE 444 w°fw�s �� Transportation Center
A CONSULTING STRUCTURAL AND CIVIL ENGINEERING CORPORATION y er a" °®
IFMZO 413 STREET A 981 SUITE 300 P: 206/343 -5691 A�8 '�'Y (015 1NTS SEATTLE, WA 98101 F: 206/343 -5691 0 °v@g$T /�Q° „/ � 1 Water Testing and Correction Detail 1® sIONAL 1islio DE'T