HomeMy WebLinkAboutWTR2702165.8SECTION 18, TWP 23 N, RGE 5 E, W.M.
CONCRETE BLOCKING SIZING PROCEDURE - Go to Table 2: Table 2 gives the safe bearing load for
A. GENERAL sand and gravel: 3,000 lbs./s.f.
The amo n of concrete required }o anchor hori o tal binds, Go to Figure 1: figure 1 indicates the position
t es, ang (ead ends, depends on the stren th o �%ie soI 9 g °
The methods of placin concrete to keep t�e joint accessible of the concrete for blocking the 90 bend.
is shown in Figure 1. T�1e area in square feet of concrete, which - Go to the specifications of the project and find
must bea against the side Qf #IhIt tre�n�h i founfd I�y dividingdepth of trench h 4 feet
the thrust. in pounds �h n in ale y tie sa a eanng lad P ( )
of the soil as shown in °Twable 2. -- Width of trench (W)= 3 feet COREY TYPE FIRE HYDRANT EQUAL 1'0 IOWA F-5110
B. CRITERIA _ ..Y. AS SHOWN OR APPROVED EQUAL. 6 MECHANICAL
1. The sizingprocedure is for horizontal or downward thrust onl the the abov ssembled information, we proceed to ,
e th ust block must be al o or less than 1 y2 one final calcu�a�ions: ---� JOINT INLET WITH LUGS. 5--1 �4 MAIN VALVE OPENING.
2. Heighht q / _ Thrust = 21,360 _- TWO 2-1 2" HOSE CONNECTAS NAT'L STD. THREADS.
the dep?h Pro ground surface to he lock base. - Area of Concrete (A)- Load - 7.12 s.f. „ %
3. The thrust block bearing face is approximately rectangular. Safe Bearing L 3,000 CAP 4 PUMPER CONNECTION CITY OF SEATTLE THREADS.
4. The concrete blocking shall be as per APWA Spec. 74--2.14. De th of Trench in Ft. 22-1/2° 1-1 4" PENTAGON OPERATING NUT. FIRE HYDRANT TO BE
-- Max. Height of Thrust Block (Hm)=--� /
C. SYMBOLS h 4 2 PAINTED WITH 2 COATS OF PAINT. PRESERVATIVE
d =Outside Diameter of Pipe in Feet = 2 = 2 = 2.0 ft. PAINT No. 43-655 SAFETY YELLOW OR APPROVED
T =Thrust in Pounds at the Fittingg (Table 1) !- Depth of Concrete Thrust Block (Dc)= ':;°:: •I'': EQUAL. PUMPER CONNECTION TO FACE ROADWAY
SBL = Safe Bearing Load in Pounds/Sq. Ft. (Table 2) Width of Trench in Ft. (W)- O.D. of Pipe (d) =3-0.75 _ ASSEMBLY FOR 4--1 /2' TRENCH. FIRE: HYDRANT 18" TO 20"
h == Depth of Trench in Feet ®- 2 - 2 -1.13 ft. EXTENSION TO BE USED, IF REQUIRED. RAISED PAVEMENT MARKER TYPE 88 A8
W = Width of Trench in Feet - Maxx Length of Thrust Block Lm = Area of Concrete MAX 4", MIN 2"�' �-STIMSONITE TWO-WAY BLUE.
A = Area of Concrete which must bear against the g ( ) Height of Concrete
Side of the Trench in Sq. Ft. = A = 7.12 -_ 3,56 ft. 45° BEND _ _� TWO-PIECE CAST IRON VALVE BOX. EQUAL TO OLYMPIC
Hm = Maximum Hei ht of the Thrust Block in feet Hm 2.0 = (Height x Depth x Len th x 0.03704 TEE FOUNDRY CO. STANDARD 8' TOP SECTION WITH REGULAR
Dc = Depth of the ?oncrete Thrust Block - Required Amount of Concrete _ HmxLmxDc x 0.03704g ) CONCRETE: BLOCKING- BASE SECTION LENGTH TO FIT.
to Bearing Surface in Feet -
Lm Maximum Length of the Thrust Block in Feet: = 2.Ox3.56x1.13)x 0.03704 Q ---CONCRETE BLOCKING
GROUND SURFACE TABLE 1 - .30 cu. yd. �.,
CAST I RON TEE WITH 6" FLANGE SIDE OU TLFT`
h „ , v�d
1Hm .
BLOCK BASE Wp
D. CALCULATION EQUATIONS Thrust (In lbs. _ T
1. Area of Concrete (A)= Safe Bearing Load In lbs. S.F. -SBL
Depth of Trench in Ft. __ .h
2 - 6" GATE VALVE (FLxMJ) EQUAL TO MUELLER CO. A�-2380-16
ECI& 6" D.I. PIPE, CLASS 52 CEMENT LINED, LENGTH TO FIT TWO 3/4"
° rQnEND 16" x 8" x 4" MIN. STEEL_ TIE RODS. SEE STD DETAIL FOR TIE„ RODS.
11-1 /4 CONCRETE BLOCK -7 CU. FT, MIN. WASHED GRAVEL PASSING 1-1/2" AND RETAiNED ON 1 /4 MESH FOR DRAIN.
FIGURE 1 FIRE HYDRANT ASSEMBLY
NOTE: FOR CONVEX VERTICAL. BENDS BLOCKING
SEE APWA STANDARD PLAN NO. 73.
LEVEL. ALL GROUND
2. Max. Height of Thrust BLOCK (Hm)= 2 _ 2 TABLE 2 MIN 3' RADIUS
LEVEL ALL GROUND
Width of Trench in Ft.) - Safe Bearing Loads in Lb./S.F. MIN 3' RADIUS
3. Depth of Concrete Thrust Block=Outside Dia. of Pipe in Ft.) _ W-d The safe bearing loads iven in the following table are for 1
2 - 2 horizontal thrusts when -the depth of cover over the pipe ONE MAN ROCA6.r_�
Area of Concrete.- A exceeds 2 feet. Safe Bearing Load 4. Max. Length of Thrust: Block (Lm)= Max. eig t _Hm SOIL Lbs. S.F.
oft , eat, etc. 1,000 - - - e FIRE HYDRANT ASSEMBLY DETAIL
Height x Depth x Length)x 0.03704 Y 2
5. Req'd Amount of Concrete (C.Y.)= and ,000
�HmxLmxDc)x 0.03704 33 and and Gravel with Clay 4,000 FILL CUT ADOPTED
concrete.reRuired to blo k c�590?.bend i an T Sand and Gravel Cemented w y -- E. EXAMPLE in e pipe will Se psi an iRe Sol Hard Shale 10,000 ` CPPY OF RENTON
HYDRANT LOCATION IN CUT OR FILL Stands plans
1. Problem: *In ruck or eat II thrus s shall be restrainedP�,Eilp CONCRETE BLOCKING SIZING PROCEDURE ---- -- ---Y- - Is'r DATE: 12/15/92
Calculation of the amount. of concrete required to block a P
° » o r l e rods t o so l I f o u n d a Ions or by removal oc 12/16/9 Corrected text + c Petit robr KTM DT ,
90 bend in an 8 C.I. water main; the normal operating or peat and replacement with ballast of sufficient ADOPTED - - I'°"�°d -- ,I DWG. NAME: BR24 SP PAGE: B102
pressure in the pipe will be 65 psi and the soil condition stability to resist thrusts. AD OF rtENTON DATE REVISION BY APPR
in the area indicates sand and gravel.
2. Solution: ` `
- Maximum testing pressure (See Table 1) 300 .. IMStandard DAATplans
=075 ftL4T E: 12/15/91
- Outside diameter of 8 pipe = 9.05 in. = 9.05/12 -
- Go t0 Table 1: The testln� pressure of 300 psi, we see DATE REVISION QY PPR' DWG. NAME: BR26 SP PAGE: B085
that the thrust on a 90 bend is 21,360 pounds.-_--Y---�-
Where shown on the plans or in the specifications or required by the Engineer, joint restraint system (shackle rods) shall be used. All joints restraint materials used shall be those
manufactured by Star National Products, 1323 Holly Avenue, PO Box 258, Columbus, Ohio 432.16, unless an equal alternate is approved in writing by the Engineer.
_Materials
Steel Types: Galvanized:
High strength low --alloy steel (cor-ten), ASTM A153 for galvanizing iron and steel hardware
ASTM A242 heat -treated; Superstar "SST" series ASTM A123 for galvanizing rolled, pressed and forged steel shapes.
High strength low -- alloy steel (cor-ten), Joint Restrainer System Components
ASTM A242, Superstar "SS" series
2 - 12" x 2" TAPPED TErE
1. Tiebolt:
2 BRONZED PIPE
ASTM A242, Type 2, hot -dipped galvanized. SST 7:5/8 for 2 and 3 mechanical joints, 3/4 for 4 to 12 mechanical joints ASTM a324, Type 3D, except tensile strength of full -body 2 - 2" BRONZE 90° BEND
threaded section shall be increased to 40,000 lbs. min. for 5/8 and 60,000 lbs. min. for 3/4: by heat treating (quenching and tempering) to Manufacturers reheat and hardness ® 2" GATE VALVE' WITH 2" SQ. OPERATOR NUT
specifications. SST 756: 3/4" for 14" t0 24" mechanical joints. Same ASTM specification as SST 7. SST 747: 3/4" some as SST 7, except 1" eye for 7/8" rod. 2" BRONZE UNION COUPLING
Some ASTM specification as SST 7. 2 - CAST IRON VALVE BOXES
1 -- 12" GATE VALVE WITH 2" SQ.
2. Tienut: OPERATOR NUT
Heavy Hex Nut for Each Tiebolt. SS8: 5/8" and 3/4", ASTM A563, Grade C3, hot --dip galvanized.
3. Tiecoupling:
Used to extend continuous threaded rods and are provided with center stop to aid installation, hot -dip galvanized. SS 10: for 5/8" and 3/4" tierods, ASTM A563, Grade C3.
4. Tierod:
Continuous threaded rod for cutting to desired lengths, hot -dip galvanized. SS 12.: 5/8' and 3/4" diameter, ASTM A242, Type 1 or Type 2; ANSI B1.1.
5. Tiewasher:
Round flat washers, hot -dip galvanized. SS 17: ASTM A242, F436. THIS TYPE OF BYPASS MAY BE USED IN LIEU OF
THE VAULT WHEN THE MAIN IS SHALLOW OR THERE
Installation ISN'T ROOM FOR THE VAULT. USE MUST BE: APPROVED
Install the joint restraint system in accordance with the Manufacturer's instructions so all joints are mechanically locked together to prevent joint separation. Tiebolts shall be installed to pull BY ENGINEER PRIOR TO INSTALLATION.
against the mechanical joint, body and not the M.J. follower. Torque nuts at 75-90 foot lbs. for 3/4 nuts. Install tiecouplings with both rods threaded equal distance into tiecouplings. Arrange 12" GATE VALVE WITH BY-PASS
tierods symmetrically around the pipe. Where a Manufacturers mechanical joint valve or fitting is supplied with slots for T bolts instead of holes, a flanged valve with a flange by mechanical
joint adaptor shall be used instead, so as to provide adequate space for locating tiebolt. Where a continuous run of pipe is required to be restrained, no run of restrained pipe shall be greater
than 60 feet in length between fittings. Insert long body solid sleeves as required on longer runs to keep tierod lengths to the 60 foot maximum. Pipe used in continuously restrained runs ADOPTED
shall be mechanical joint pipe and tiebolts shall be installed as rod guides at each joint. Where poly wrapping is not required, all tiebolts, tienuts, tiecouplings, tierods shall be galvanized. + ♦ CM OF RWMN
All disturbed sections will be pointed, to the inspectors satisfaction, with ATCO #2221, or approved equal. Where poly wrapping is not required, all tiebolts, tienuts, tiecouplings, tierods, and standard plans
tiewashers may be galvanized, as specified above, or plain and painted in their entirety with ATCO #2221, or approved equal. I= DATE:12/15/91
DATE REVISION_I BY APPR' DWG. NAME: BR47 SP PAGE: B093
Pressure Force
Size
PSI
Pounds 2
3 4 6 8 - 10
12 14 16 24
3"
300
2,120 2-3/8"
4"
300
3,780 3/8"
6"
300 8,500 5/8"
1 2" 3/8"
8"
300
15,100
3/4" 5/8" 1 /2"
10"
275
21,62
3/4" 5/8" 1 2"
12"
250
33,930
3/4" 5/8"
14"
250
46,200
3 4"
16"
225
45,250
3 4"
5/8"
18"
200
50,900
3 4"
5/8"
20"
200
62,840
_
3/4"
5/8"
24"
200
90,480
3/4"
30"
200
141,370
7/8
36"
200
203,580
Size
Pressure
PSI
Thrust at Fittings in Pounds
Tees
450
ge
22-1/2
11-1/4
Dead Ends
Bend
Bend
Bend
Bend
3"
300
2,120
3,000
1,630
830
430
4"
300
3,780
5,370
2,910
1,470
750
6"
300
8,500
12,000
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
64,000
34,620
17,650
9,050
18"
200
50,900
72,000
38,940
19,860
10,180
20
200
62,840
88,900
48,080
24,520
12,560
24"
200
90,480
127,980
69,200
35,320
18,100
30"
200
141,370
199,960
108,150
55,140
28,280
36"
200
203,580
287,950
155,740
79,400
40,720
C C
EC: I
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-- 2 5 ! CITY OF RENTON
Leonard, Boudinot & Skod a Inc.
,3 04-/ E7� ( DEPARTMENT OF PUBLIC WORKS
PROFESSIONAL ENGINEERS & LAND SURVEYORS
a 603 South First Street; P.O. E3ox 1228 FRED MEYER
SHACKLE RODDING AND TIE BOLTS
€: ;..,,.., Mount Vernon, wa, 98273 RENTON CENTER
'a-`•-i---- Tel: 206--336-5751 Fax: 206-336-3981 DETAILS
ADOPTED _
CITY OF RENTON -�
� ♦ � DESIGNED: � DATE: 8/8/94 FILE NAME: 94058
S DAATTE:p12/15/91 2 PER CITY/ARCHITECT COMMENTS DEL HAF 8/12/94 DRAWN: SBK
_ r CHECKED' HAF SCALE: AS NOTED FIELD BOOK: PAGE:
DATE REVISION - BY ' DWG. NAME: BR27 SP PAGE.: BO89 1 REVISIONS PER CITY COMMENTS DEL HAF �14 94
APPRNO. REVISION BY APPR. DATE APPROVED: SHEET.C-�jD OF: 3C,
DIRCGTOR f' PUCLIG WORKS