HomeMy WebLinkAboutGAS PIPING SCHEMATICSCANNED
S
Lu6j6 Count/
BOARD OF
COUNTY
COMMISSIONERS
TANK FLl
SIZE
[.AS PIPIAI
1 2]
[L4]
L31 FL5
1.21
[L6]
[A1]
[A3]
TANK SIZE: S"d
GALS.
APPLICANCE — TYPE/SIZE
Al
e
A2
—fi
A3
A4
A5
A6
[A4]
[L8]
PLANNING & DEVELOPMENT
SERVICES DEPARTMENT
Building and Code Regulation
Division
RECEIVED
MAY 17 2018
[L10]FILE COPY
[A5]
i
BTU
BTU
I BTU
BTU
BTU
j BTU
ST. LUCIE COUNTY
BUILDING DIVISION
REVIEWED
FOR COM �.1A �9CE
REVIEWED BY
DATE -1
PLANS AND PERMIT
MUST BE KEPT ON JOB On
NO INSPECTION WILL BE MAD-
E-t
S as- oY 'rb
PIPING LENGTH & SIZE . (PIPE SIZE WAS TAKEN FROM
L1 FT. 3 INCH DIA. THE 264448C FUEL GAS CODE -
L2 FT. 3 INCH DIA. T49I F 4Cl (_�)
L3
FT.
INCH DIA.
L4
FT.
INCH DIA.
L5
FT.
INCH DIA.
L6
FT.
INCH DIA.
L7
FT.
INCH DIA.
L8
FT.
INCH DIA.
L9
FT.
INCH DIA.
L10
FT.
INCH DIA.
1-11
FT.
INCH DIA.
L12
FT.
INCH DIA.
Revised 7122/14
i7o-oQkCA urc le
Website: www.stiucleco.gov
2300 Virginia Avenue - Fort Pierce, FL. 34982-5652
Phone (772) 462-1553 FAX (772) 462-1578
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SB9' i4' 54' E 40.00'I
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Valley Oo{{eT —
L POI NC 1 ANA COURT SB_•E 612.66' BEfiRlfib_ BASIS
— —7� (FOflNERLY INTEflNATIONAL CIRCLE)
40.00' p. B• 23, PGS. 26 TO 26C
(60' Right -of -Nay)
I
t1re Hydrant
Maximum Capacity of PE Plpe in Thousands of BTU per Hour of Lioue(led Petroleum Gels
With a C-a, Pressure of 11,0 in, WC and a pressure Drop of 0
^-' IS in. WC
�_�� (based on a 1:62 spa6lito gravity aanl
1073
1391
720
934
671
740
484
425
67
383
325
o
1286
1983
131
1054
627
893
786.
370
3663
4724
2391
3247
11394
2608
1605
1412
708
7272
600
1078
528
1946
10063
6755
6351
2232
4535
1978
3989
7792
7534
11359
3592
3044
!2678
129
167
113
147
102
732
8V to
6 76
12 11
66 63
238
427
209
376
788
338
112
140
81
116
12252
642
1207
569
1061
516
287
447 391
7 208
54 3
54 326
956
810 712
642 587 587
Maximum Capacity of PE Pipe In Thousands
with a Gas Pressure of 2,0 psi c
(based an a 1,52 an,
257
236
--
204
10
29
119
26
333
475
306
435
283
264
249
219
152
197
854
781
403
723
376
376
384
311
280
1232
1133
1054
989
938
560
828
504
2411
„°i,
2207
2044
1910
1797
1581
750
1424
58 54. bl 48
I70 63
46
44
42
40
1D6 100
192 180 169 160
60
57
81
54
78
62
76
1544 508 803 285269 255
478
152
244
233
224
216
463
431
417
394
379
)f BTU per Hour of Liquefled petroleum Gas 516BTUh_1CFH
d a Pressure Drop or 1,0
.111rr M-1h. _. psi
11300
14652
758b
6008
5092
//y479
702
69&
23
20877
9836
14014
7790
11100
6602
9408
807
5229
443
4432
3007
25183
19946
16905
8275
14869
7451
}451
�qs3qs88595837514
43429
106963
29848
71131
23969
56339
20516
78182
16474
1136
14100
2
12496
47750
-
42000
37820
32054
2879d
1366
1192
1073 910 WI 125
116
1767
2503
1545
2202
1391 1179 1037 934
855
4498
3956
1983 1680 7478 1331
3563 3019 2656
1218
5903
12705
5232
11176
2391
4740 4067 3596 3288
2189
2997
10063 8829 7602 6765
6182
Maximum
Capciclfy of PE Pipe In Thousands
with a Gas Pressure of
10.0 psi
(based on a 1.62 soe
2707
2478
2296
2144
J71
309
278
3510
6002
3218
4578
2975
4239
2780
2617
2302,
2073
8988
8226
7618
3962
7119
3729
6700
3280
2953
11322
26388
10417
23234
9691
9092
8689
5894
7612
8307
6897
21617
20108
18924
16647
14990
611 571 537
792 740
508
484
62 80
77
443.
74
428
696
1128 7054' 992
659
939
627
893
599
574
551
!027 .1894 178818 3
!788 2616
1688
1605
883
1533
1469
71
2471
726 6350 5036
2347
4767
2239
4535
2744
2060
1985
4331
4150
.3988
f BTU per Hour of Ltquefled Petroleum Gas5168TUh;1CFH
f a Pressure Drop of 1.0 psi
c gravity goa)
14234
9556
7568
' ' V
6414.
vol
6642
U64
749
6�` 5g
43
°
°
6153
8496
26296
17652
17652
9812
13981
8316
7315
6080
6687
4306
6683-
3787
4910
3410
4422
3121
2840
2701
2542
2236
350
2614
47252
31720
25123
11849
21293
10423
18729
9385
16865
7954
6997
6300
4047
.6766
3747
3747
3502
3502
3
32�6
223
2611
53960
133476
37087
89601
29782
70967
25489
60148
22591
20469
14294
17619
12672
12522
11321
11321
70361
9640
8967
06
4697
413 1
71
23
3720
82905
47640
40376
3-6514
31980
12943
29267
12041
]1297
10671
94 588569
6b85
27104
26329
238g0
20970
1882
1601
1352
1146
1008
907
2273
213
3163
1946
2773
1753
1485
1306
1176
830
1077
8665
4983
2497
4487
2116
3803
1862
1676
1534
7334
6500
6890
5041
3345
4468
3012'
2757
76004
14077
12676
10743
9449
4048
8509
3724
7787
Ph: 1-800.662,0208 Fc1x; 615,326,9407 a Web: WWwgastlte.com
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769
125
719
118
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932
676
877
640
609
0
682
557
536
'1421
7328
1250
1883
11
1� 5
723
695
2853
7212
2386
3251
2246
3077
2126
2022
1931
030
185,
990
779
7212
6739
6343
2916
6005
2782
5712
2664
2560
2466
545.5
6227
5024
25168TUh=1CP141
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rorProlooftCoaftsappliad 2'•71
•' ;., an Underground PropmraTanks
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r,:,.CL�'�✓ryi.'YSd.L 4 rv' y...'l �" ' UE U tl Wl § l! - IJ lJ §LLLtllr"111i 15't7�6
8"-dome•in,black plastic or white
gplVanized stebl;
i
{ IPiU:Il W RM- - O:ne .;k1t6ftsa fil Durable Topcoaf.
;uvthlZinc`Rich+tPrimer{an�Aovegrtound+
iPOWD:URA'l&LE Curen� Two�eoatl.sys#e im+;properties�inelucie:
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' '.':� Superiorteor+:ositin�5nilketlgeiproteeton. • .
' �•;Patenivtie+�dri"c�;:formulai'edrprimer antl�+fopca�l
• Dual service options for above or underground applications
• Option #1 Ready -to -bury red oxide durable powder coating with black
• polyethylene AGUG dome*
• Option #2i Aboveground option with steel 8" AGUG dome
• All valves and float gauges are centered under dome
• Fabricated to the latest A.S.M.E. Code, Section Vill, Division 1
• Registered with the National Board
• tt72 liquid -level outage valve orifice reduces refueling emissions
• Vacuum pre -purged to save time, money and product
'Applicable federal, state, or local'regula lions may contain specific requirements for
protective coatings and cathodic protection. The purchaser and installer are responsible
for compliance with all federal, state, local and NFPA industry regulations. Cathodic
protection isirequired and coating must be continuous and uninterrupted and must
comply with,an local, state or national code.
www.ToiiityContainers.com Call Toll Free: 688-558-8265
-A �' TRINITY
Co»fairting OurWeiJd's�eY ,
VVILJ I n
General Specifications
Conforms to thtest editio
e lan of the ASME code for
Pressure Vessels, Section Vlll, Division I. Complies with
NFPA 58.
Rated at 250 psig from -200 F. to 125' F. All tanks may be
evacuated to a full (14,7 psi) vacuum,
Vessel Finish; Coated with epoxy red powder, ( Tanks coated
with the epoxy powder must be buried). For Aboveground use,
tanks may be coated with TGIC powder.
Applicable federal, state or local regulations may contain
specific requirements for protective coatings and cathodic
protection, The purchaser and installer are responsible for
compliance with all federal, state or local regulations,
- - WITHDRAWAL
FLOAT ,' NOTICEVALVE
GAUGE I ANODE
CONNECTION
'L,,-FILLER
O OVALVE
MULRVICE / '
TIVALVE NAME
__-�- PLATE
RELIEF
VALVE
FITTINGS LAYOUT UNDER DOME
AGUG VESSEL DIMENSIONAL INFORMATION
All Vessels dimensions are approximate
WATER
CAPACITY
OUTSIDE
DIAMETER
HEAD
TYPE
OVERALL
LENGTH
OVERALL
LEG
LEG
WEIGHT
QUANTITY
120 w
HEIGHT
WIDTH
SPACING
FULL PER
.
454.2E
24
609.6 mm
Ellip
5,- 5 13/16"
1671.3mm
3' - 0°
10 1/8"
3' - 0"
245 Ibs.
LOAD STAC
250 wg,
31,5"
Heml
7' - 2 1/2"
911,4 mm
257,2 mm
914.4 mm
111.1 kg,
96 12
L
800.1 mm
2197.1 mm
3 - 7 1/2I'
1104.9 mm
12 3/4
� _ „
72Ibs.
63 g
20 w.
3g.
31,5"
Heml
8' -11 3/4"
3' - 7 1/2"
323.9 mm
1066,8 mm
2 1g
1211,2 L
800.1 mm
2736 ,9 m" m
1104,9 mm
12 314"
4' - 0 114"
588 Ibs.
45 g
500 w9•
37.42"
Heml
9' -10
323.9 mm
1225.6 mm
266.7 kg,
1892.5 L
950.5 mm
2997.2 mm
4' -1 7/16"
1255.7 mm
15"
381.0 mm
5' - Oil
871 Ibs.
30 .6
1000 wg,
3785.0 L
40.96"
Hemi
15' -10 13/16"
4' - 4 5/16"
16 1/4"
1524.0 mm
395.1 kg
1040.4 mm
4846.E mm
1344.E mm
412,8 rnm
9' - 0"
2743.2
1729 Ibs.
15 5
mm
784.3 ka
Rev; Jan, 27, 2016
1
Why Tanks Corrode
Underground steel tanks corrode due to an electrochemical reaction
between the tank and the surrounding soil. The process of corrosion
occurs due to small voltage differences on the steel. surface that result
in the flow of DC current from one location to another. Where current
flows from the tank into the soil corrosion occurs. This location is called
the anode in a corrosion circuit. Where current flows from the soil to the
tank, no corrosion occurs. The progress of corrosion Is determined by
the amount of current flowing between the anode and the cathode and
whether the locations of the anode/ cathode remain constant over time.
Corrosion rates are generally higher in wet soil environments since the
conductivit
circuit. y of the soil promotes the flow of DC current in the corrosion
Corrosion generally exhibits itself on underground tanks in either a
general overall rusting or more commonly, a pitting attack. Pit locations
may result from metallurgical conditions of the steel surface or soil
variations such as rocks, salts, fertilizer, moisture concentration, oxygen
concentration, etc.
Preventing Corrosion
r1' Protecting underground
tanks from corrosion is
easily achieved by the use
of two commonly applied
protection . methods:
external coating and
cathodic
protection.
These two methods
are complementary
and should be used in
conjunction with the
other. An effective
external protective
coating insulates the steel from the soil environment, thus preventing
the flow of corrosion,current from the anode to the cathode. An effective
external coating can protect over 99% of the tank surface area. However,
no coating is perfect. Damage from construction or soil stresses create
tiny defects, which may result in accelerated corrosion at the defect..
Cathodic protection prevents corrosion at those defects by applying
DC current from an external source, forcing the tank to become
cathode. Application of sufficient DC current to the tank will prevent any
corrosion from occurring. The two general types of cathodic protection
systems are sacrificial and impressed current. Sacrificial systems are
used when the amount of current required for the protection is small,
such as in underground propane tanks. Impressed current systems
are more commonly used for large structures such as large diameter
pipelines. Electrical isolation of the tank from metallic piping systems
and electrical grounds is critical for the cathodic protection system's
effectiveness.
Now Sacrificial Cathodic Protection Works
Sacrificial systems work by creating a galvanic connection between two
different metals. The most common anode material is magnesium,
which when coupled to steel results in DC current flow from the
magnesium to the steel. The open circuit potential of steel is about
-0,150 volts referenced to -a copper sulfate electrode. The open circuit
potential of magnesium is about -1.55V to-1,80V. By connecting the
two metals together, the difference of 1 to 1.25V volts results in current
flow to the tank that overcomes the natural corrosion cells that exist on
the tank. With this current available to the tank, no corrosion occurs.
Magnesium.Anodes
There are a variety of anode sizes and alloys used for cathodic
protection. The two primary alloys are designed as H-1 (or AZ63) and
High Potential. The H-1 alloy is produced from recycled magnesium
and has an open circuit potential of approximately—1.55V. This alloy
islwell suited for protection of underground propane tanks. The High
Potential alloy is 99% pure magnesium having an open circuit potential
up to -1.8V. This alloy should be used for soil applications over 10,000
ohm -cm resistivity.
The two most common anode sizes used for underground propane
tanks are 9lb. and 171b. The size designation relates to the metal weight.
10' of #12 TW insulated wire is attached to the anodes. Anodes are
then backfilled in a mixture of gypsum, bentonite, and sodium sulfate
to lower the electrical resistance of the anode to soil. The mixture is a
low cost, nonhazardous, electrically conductive backfill. The anode and
backfill is then packaged In a cotton bag and either a cardboard box or
paper bag. Actual shipping weight of these anodes with backfill is.27
Ib. and 45 lb.
Application Recommendations
Magnesium anodes can protect underground tanks in. most soil
conditions. The H-1 alloy. is generally very effective. The following chart
provides size and quantityrecommendations forvarious size tanks based
on conservative design assumptions. This chart covers soil conditions
UP to 10,000 ohm -centimeter resistivity. Resistivities higher than
10,000 ohm -centimeter generally represent very dry soils: Verification
of soil resistivity can be performed through soil analysis. Contact us
for design recommendations in locations where soil resistivities exceed
10,000 ohm -cm, or if there is no effective external coating on the tank.
The propane service line from the tank to the house also must be
considered in the cathodic protection design, unless the service line
Is plastic. All underground steel pipe should be externally coated with
a corrosion resistant material. The service line should be electrically
isolated at the house with an insulating fitting or union. if service pipe
is less than 50' in length, the tank anodes will provide sufficient current
to protect both tank and pipe. For longer lengths of pipe, an additional
anode may be required at the house connections.
If another metallic material such as copper is used for service piping,
the pipe should be electrically isolated from the tank at the fill pipe
connection. Copper and steel create a galvanic couple that will accelerate
�corrosfon of the steel tank when directly connected to copper piping.
'Generally, copper piping does not require cathodic protection.
I
Mechanical Connection Under Dome
Cathodic protection Testing Procedure
Equipment Needed: Digital Voltmeter, Red Test Lead Min.12' Long
& Black Lead Min. 2' Long; Reference Electrode. (Copper/Copper
Sulphate Half -Cell)
STEP 1: Using a digital voltmeter insert the red test lead into the .Volt
jack of the meter and, select the 2 or.20 volt DC scale. Clip red test
lead connector to an uncoated metallic area of the tank, preferably
to the fill pipe multivalve. A good solid connection is very important.
(i)0 NOT connect to shroud). .
STEP 2:, Insert the black test lead into the Common jack on the meter, and connect the opposite end of the lead to a charged reference electrode (Y cell).
STEP 3: Remove protective cap from the porous plug at bottom end
of electrode. Place porous plug end Into native soil (remove grass if
necessary) at four locations around the tank (one on each side of the
tank, and one at each end of the tank). If difficulty is encountered
Obtaining readings, moisten soil with water or dig Yz cell deeper -Into
the soil.
STEP 4: Record all four meter readings on an appropriate form. The
least of all four readings should be a minimum of-0.850v or more
negative. {Note: If any of the four readings are below (less negative)
-0.850v then the tank is not fully protected).
Charging Reference Electrode
STEP 1:.Unscrew and remove porous plug end of new reference
electrode. Add delonized or distilled water to the copper sulfate
crystals, filling electrode completely. The solution will turn blue in
color and there should always be excess crystals at the bottom of
the tube. DO NOT USE TAP WATER.
STEP 2: Replace porous plug end of electrode and place in an upright
position so that the porous plug end is, facing In the down position
and let stand for 1 hour before use. This will allow the porous plug
to :become completely saturated before use.
Caution: Do not allow electrode to contact oil, road salts, or other
substances that may contaminate the solution by absorption
through porous plug. Do not allow electrode to freeze_
Soil Type „77!1esolls;;:Clay
San(!Vlbam� ,
Tank Cap. 5 to 5000 o(im-cm
(gal.) Size Qty. Alloy
120 9#
150 9#
250 9#
325 9#
500 17#
1600 17#
1500 17#
2000 17#
1 I . H-1
Sand, Gravel, Rocky
Areas
5000 to 10000 ohm -cm
-1
-1
-1-11111
§SlzeAloy
'Based on 90% effective external coating, 2 ma/ft2 current density, and 30-
yearAnode 11fe.
Anode Installation
1. Determine size and quantity of anodes from application chart. 2. When a single anode is installed, it should be located near the
tank center on either side of tank.
3. When multiple anodes are installed, space them evenly around
the tank. See examples below.
1 anode 2 anodes 4 anodes
4.Anodes: are shipped in either cardboard boxes or multi -wall
papersacks. Remove outer container and bury the cloth bagged
anode. if anode is supplied In plastic bag, remove plastic bag
before installing.
5. Install anodes approximately two.to three feet from the tank and
at least as deep as the center line of the tank. Anodes.work best
in locations with permanent moisture, so generally the deeper
the better.
6.After placing the anode, stretch out the anode connection wire
and extend over to a connection point on the tank fill pipe.
7. Cover the anode with approximately six Inches of backfill and
pour 5 gallons of water on the anode, to, saturate the prepared
backfill. Water is necessary to activate the anode.
B.Connect the anode wire to the, tank with a low electrical
resistance connection. Examples are threaded stud on the
tank fill pipe or any accessible metallic connection point to the
tank. All connections should becoated with a moisture -proof
material,
9. Ideally, the tank connection Is made in the. area of the tank fill
Pipe within the covered dome. With access to the anode wire,
subsequent testing of the tank can Include measurement of
anode output and verification of performance.
10.Verify performance of the anode' using an appropriate test
procedure.
ideal for use as a first stage regulator on any domestic size A
installations requiring up to 1.500,000 BTU's per hour. The reg
Pressure to an intermediate pressure of approximately 10 PSIG.
is factory set to r- propane gas
educe container
�" FNPT YV RNPT
• t,Vsgoa�'t;vg /3x" 10 PSIG Over Outlet
Maximum Dow based ur iNet pressure 20 Pete higher than the regulator selling and del 9:00 , 1,500,000
sailing end delivery pressure 20 Pressure
lower than the selling. ry pressure 20% lower than the regulalar
Provides accurate first stage regulation In two -stage bulk tank systems. Reduce tank pressure to an
Intermediate pressure of 5 to 10 PSIG. Also used to supply i high pressu`re burners for applications like
Industrial furnaces or boilers. Also Incorporated In multiple cylinder Installations.
When used for final stage pressure contrcl
With NFPA Pamphlet 88. , must either Incorporate integral renervalve or separate relief valve should be specified in accordance
" Maximum flow based on inlet pressure 20 PSIG higher then the regulator selling and delivery e
9 8 9 ry pressure 20% lower than the selling.
Designed to reduce first stage pressure of 5 to 20 PS1G down to burner pressure, normally 11" wc.
Ideal for medium commercial installations, multiple cylinder Installations and normal domestic loads.
11'aIceRlt� ��ii��li'a�tt�il«rn
an 10 PSIG Inlet and 9° txc. delivery pressure.
The LV34036R Back Mount Regulator is de
burner pressure normally signed to reduce first stage pressure of 6-10 PSIG down to
11" w.c. Designed as a second stage regulator for smaller applications with flow
requirements up to 450,000 BTU/hr, and are ideal for homes, mobile homes, and cottages.
��'�Qilrglln� i>Im�mrrri;�t�su®r�
'/z" F NPT " I -AFT I 11" W.C. At 10
L\!�403$ri6R s/e'� l= AIp7 7/3a„
PSIG Inlet
Maximum now 16 based on-10 PSIG inlet and 9" W.C. delivery pressure.
9° to W.C. I Over inlet