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Home My WebLink AboutGAS PIPING SCHEMATICSCANNED BY BOARD OF COUNTY COMMISSIONERS TANK - L1 SIZE PLANNING & DEVELOPMENT SERVICES DEPARTMENT Building and Code Regulation Division GAS PIPING SCHEMATIC [A2] [A4] [A6] [L4] [1.8] [1.12] 3l__ ___[L5] [L71 f L91 f L111 1.2] [L6] [A1] [A3] ANK SIZE: 5'00 GALS. ,PPLICANCE — TYPE/SIZE 1.10] [A5] ar q ST LUCIE COUNTY BUILDING DIVISION REVIEWFmD FOR COMP CE "W16"W9D BY Wt PLANS AP u PEWAIT MUST 13E KEPT 010 «IQB OR N0 9N5PECTjot4104I L BE Ai AD14 47,f)Dv BTU BTU BTU Fli LL BTU - BTU '6 BTU (PING LENGTH & SIZE (PIPE SIZE WAS TAKEN FROM 1 FT. INCH DIA. THE 2014 FBC FUEL GAS CODE- 2 FT. INCH DIA. TABLE 402 (J� 3 4 FT. FT. INCH DIA. INCH DIA. ��((iG 5 FT. INCH DIA. Poe 6,5-.5 606�)e_ 3 T FT. FT. INCH DIA. INCH DIA. t ///��)14nL)�U(- v. -5 3 FT. INCH DIA. 3 FT. INCH DIA. 10 FT. INCH DIA. 11 FT. INCH DIA. 12 FT. INCH DIA. Website: www.stiucieco.00v 2300 Virginia Avenue - Fort Pierce, FL. 34982-5652 Phone (772) 462-1553 FAX (772) 462-1578 vised 7/22/14 I Maximum Capacity of PE Pipe in Thousands of BTU per Hour of Liquefied Petroleum Gas with a Gas Pressure of 11.0 in. WC and a Pressure Drop of 0.5 in. WC (based on a 1.52 specific gravity gas) _ _�. .e 99 84 74 67 56 50 45 41 38 35 33 29 26 1073 720 571 484 425 383 325 286 257 235 218 204 192 169 152 1391 934 740 627 551 497 421 370 333 305 283 264 249 219 197 1983 1331 1054 893 786 708 600 528 475 435 403 376 354 311 280 3563 2391 1894 1605 1412 1272 1078 948 854 781 723 676 636 560 504 4724 3247 2608 2232 1978 1792 1534 .1359 1232 1133 1054 989 934 828 750 10063 6755 5351 4535 3989 3592 3044 2678 2411 2207 2044 1910 1797 1581 1424 o _ ae o ea yea oo .00 eo :oe •ee oee ae oe ae gee ae 22 20 18 15 13 12 11 10 9 9 8 8 8 7 7 129 113 102 86 76 68 63 58 54 51 48 46 44 42 40 167 147 132 112 99 89 81 75 70 66 63 60 57 54 52 238 209 188 160 140 126 116 107 100 94 89 85 81 78 75 427 376 338 287 252 227 208 192 180 169 160 152 146 140 134 642 569 516 441 391 354 326 303 285 269 255 244 233 224 216 1207 1061 956 810 712 642 587 544 508 478 453 431 411 394 379 2516BTU =1CFH Maximum Capacity of PE Pipe in Thousands of BTU per Flour of Liquefied Petroleum Gas with a Gas Pressure of 2.0 psi and a Pressure Drop of 1.0 psi (based on a 1.52 specific gravity gas) a e a j o .o c :o •o 0o era 1966 1319 1045 886 779 702 595 523 471 431 399 373 351 309 278 11300 7586 6008 5092 4479 4033 3418 3007 2707 2478 2295 2144 2018 1775 1599 14652 9835 7790 6602 5807 5229 4432 :3898 3510 3213 2975 2780 2617 2302 2073 20877 14014 11100 9408 8276 7451 6315 .5555 5002 4578 4239 3962 3729 3280 2953 37514 25183 19946 16905 14869 13389 11348 '9982 8988 8226 7618 7119 6700 5894 5307 43429 29848 23969 20515 18182 16474 14100 j12496 11322 10417 9691 9092 8589 7612 6897 105963� 71131 56339 47750 42000 37820 32054 128194 25388 23234 21517 20108 18926 16647, 14990 236 207 187 158 139 125 115 006 -99� 93 88 84 gp 77 r1 74 1355 1192 1073 910 800 720 659 611 571 537 508 484 462 443 425 1757 1545 1391 1179 1037 934 855 i 792 740 696 659 627 599 574 551 2503 2202 1983 1680 1478 1331 1218 11128 1054 992 939 893 853 818 786 4498 3956 3563 3019 2656 2391 2189 i2027 1894 1783 1688 1605 1533 1469 1412 5903 5232 4740 4057 3596 3258 2997 12788 2616 2471 2347 2239 2144 2060 1985 12705 11178 10063 8529 7502 6755 6182 5725 5350 5036 4767 4535 4331 4150 3988 2516BTUh=1CFH Maximum Capacity of PE Pipe in Thousandsiof BTU per Hour of Liquefied Petroleum Gas with a Gas Pressure of 10.0 psi and a Pressure Drop of 1.0 psi (based on a 1.52 specific gravity gas) 24/0 1662 1316 1116 981 864 749 659 593 — _ 543 503 470 " _e...', 442 389 i 350 14234 18465 9555 7568 6414 8642 5080 4306 3787 3410 3121 2890 2701 2542 2236 2014 12388 9812 8316 7315 6587 5583 4910 4422 4047 3747 3502 3296 2899 2611 26296 17652 13981 11849 10423 9385 7954 '6997 6300 5766 5340 4990 4697 4131 3720 47252 31720 25123 21293 18729 16866 14294 12572 11321 10361 9595 8967 8440 7423 6685 53960 37087 29782 25489 22591 20469 17619 15527 14068 12943 12041 11297 10671 9458 8569 133476 89601 70967 60148 52905 47640 40376 35514 31980 29267 27104 25329 23840 20970118882 297 261 235 199 175 158 144 134 125125 11®18� l 106 101 97�.u93• 1707 15D1 1352 1146 1008 907 830 :769 719 676 640 609 682 557 536 2213 1946 1753 1485 1306 1176 1077 997 932 877 830 790 754 723 695 3153 2773 2497 2116 1862 1676 1534 1421 1328 1250 1183 1125 1075 1030 990 5665 4983 4487 3803 3345 3012 2757 2553 2386 2246 2126 2022 1931 1851 1779 7334 16004 6500 14077 5890 12676 5041 10743 4468 9449 4048 8509 3724 7787 3465 3251 3071 2916 2782 2664 2560! 2466 7212 6739 6343 6005 5712 5466 5227 I 5024 2516BTUh=1CFH Ph: 1 00.662.0208 o Fax: 615.325.9407 a Web: www.gastite.corr 7 i i • i 1 •�7 Ni ,.�4 , s., io• .r��G�. l0-90 li AF \O • purllZ D� e� SEPiIC. "'``F1I 7�' O! o •F _ 5xo %D 6C aT. �y .�.._7` 37 t \ ater'114 _ _ `\ - INA KJ l II? .. in r to G16L.C.� ,��D � � 5 �` qj 00 YOklG �� 0� -,�'.' `fl - o iJ ,;•` _ .. err {G f J I I r ,Tj r I - a t 4:� •SURVEYOWS CrEll-"hTAMCA G ,t LEGEND: ---'I I HEFEBY CERTIFY 'THAT THIS SURVEY MAP IS PER RECORD DESCRIPTION: Q FOUND IRON ROD AND IS TRUE AND CORRECT -TO THE BEST OF `•!Y KNOWLEDGE AND BELIEF C SET IB N ROD AND AS SURVEYED IH THE FIELD. I FURTHER CERTIFY THAT THIS SURVEY NU,SBER! 4572 COMPLIES WITH THE MINIMUM TECHINTICAL STANDARDS SET FOURTH IN CHAPTER CENTER LINE 21HH-5 F -A.C. BY'THE FLOR.T�1r A BOARD -OF'LAND SURVEYORS PURSi.ANT TO F.rL.EI. FINISH FLOOR T1`. R SECTION rc72.027 �' F PIiTUTES, AND THAT THERE ARE NO 180!'E TNEFLOr11DA \' LEVAT ON ;ROUND r�rrz!OAr •� .��HER TH N Slr T.rpT• @ c:a � TYPIC4 ELEVATIOn 3Y '`''S, SUOFES TONAL LAND DATE _ 11. �j� �+;..��:u-.er_v� $ E 1 K/I, RIGHT F WAY S FLORIDA t POINT F CURVE SURVEYOR REGISTRA'":ON:4F4572 DELTA NGLT :r' ---i - Ll TRIM ® Y Containing OurWorld's Energy`s p i � O Of co W O u- rOUTSIDE O DIAMETER a O t- O WIDTH General Specifications rms to the latest edition of the ASME code for ire Vessels, Section Vill, Division 1. Complies with 58. ed at 250 psig from -200 F. to 125' F. All tanks may be coated to a full (14,7 psi) vacuum, sel Finish: Coated with epoxy red powder, ( Tanks coated the epoxy powder must be buried). For Aboveground use, ;s may be coated with TGIC powder. licable federal, state or local regulations may contain ;ific requirements for protective coatings and cathodic action, The purchaser and installer are responsible for pliance with all federal, state or local regulations, FLOAT ��/''-- N TI E` VALVE GAUGE LP' GAS ANODE CONNECTION '�J ® ' FILLER O O!�_VALVE r SERVICE MULTIVALVE NAME -_,- PLATE RELIEF VALVE FITTINGS LAYOUT UNDER DOME it AGUG VESSEL DIMENSIONAL INFORMATION All vessels dimensions are approximate CA ATER ACITY OUTSIDE DIAMETER HEAD TYPE OVERALL LENGTH OVERALL LEG LEG WEIGHT QUANTITY �I HEIGHT WIDTH SPACING FULL PER 1 4 0 wg. 4.2 L 24" 609.6 Ellie 5' - 5 13/16" 31.011 0" 10 1/8" T - 0" 245 LOAD STAC 2.0 wg. mm 31.5" 1671.3mm 911.4 mm 257.2 mm 914.4 mm lbs. 111.1 kg. 96 12 9- -,6.3 L 800.1 mm Hem! 7' - 2 1 /2" 3' - 7 112" 12 314 bs 63 3 0 Wg. 31.5" 2197.1 mm 1104.9 mm 323.9 mm 1066.8 mm � 2141 g, g 12 1.2 L 800.1 mm Hem 8' -11 3/4" 3' - 7 1/2" 12 3/4" 4' - 0 1/4" 588 lbs. 45 5 b wg. 37.42" 2736.9 mm 1104.9 mm 323.9 mm 1225.E mm 266,7 kg. g 18 �2.5 L 950.5 mm Hemi 9' .10" 2997.2 mm 4' -1 7/16" 15" 5' - Of' 871 lbs. 30 .6 10 1255.7 mm 381.0 mm 1524.0 mm 395.1 kg ,i0 37 Wg. 5.0 L 40.96" 1040.4 mm Hem! 15' -10 13/16" 4' - 4 5116" 16 114lf Oil 1729 lbs. 15 5 .I 4846.6 mm 1344.6 mm 412.8 mm 27437mm784.3 ka Rev: Jan. 27, 2016 Wh inks Corrode Under round steel tanks corrode due to an electrochemical reaction betwe 'n the tank and the surrounding soil. The process of corrosion occurslidue to small voltage differences on the steel surface that result in the ,ow of DC current from one location to another. Where current flows from the tank into the soil corrosion occurs. This location is called the an ;de in a corrosion circuit. Where current flows from the soil to the tank, n;i corrosion occurs. The progress of corrosion is determined by the am unt of current flowing between the anode and the cathode and whethelr the locations of the anode/ cathode remain constant over time. Corrosi n rates are generally higher in wet soil environments since the conduc ivity of the soil promotes the flow of DC current in the corrosion circuit. II Gorrosi n generally exhibits itself on underground tanks in either a general perall rusting or more commonly, a pitting attack. Pit locations may re ult from metallurgical conditions of the steel surface or soil variatio ��s such as rocks, salts, fertilizer, moisture concentration, oxygen concentration, etc. Preventing Corrosion Protecting underground tanks from corrosion is easily achieved by the use of two commonly applied t "t protection methods: external coating and i' cathodic protection. These two methods are complementary and should be used in conjunction with the other. An effective external protective coating lilsulates the steel from the soil environment, thus preventing the flow 'f corrosion currentfrom the anode to the cathode. An effective external oatingcan protect over 99%ofthe tank surface area. However, no coatis";i is perfect. Damage from construction or soil stresses create tiny defects, which may result in accelerated corrosion at the defect. 11 Cathodic !protection prevents corrosion at those defects by applying DC curre'; t from an external source, .forcing the tank to become cathode. I pplication of sufficient DC current to the tank will prevent any corrosion rom occurring. The two general types of cathodic protection systems .�e sacrificial and impressed current. Sacrificial systems are used wheh the amount of current required for the protection is small, such as iiil 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 How Sacrificial Cathodic Protection Works Sacrificial pstems 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 -0.50 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 is well 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 9 lb. 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 lb. and 45 lb. Application Recommendations Magnesium anodes can protect underground tanks in most soil conditions. The H-1 alloy is generallyvery effective. The following chart provides size and quantity recommendations forvarious sizetanks 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 corrosion of the steel tank when directly connected to copper piping. Generally, copper piping does not require cathodic protection. Soil Type Fertile Soils; Clay, y 1r i Sandy Loam: ` 'Sand, Gravel, Rocky `- -" Areas Tank Cap. , 5 to 501)0 ohm cm. (gal.) 5000 to 10000 ohm -cm Size aty Alloy: 120 i `_ Size (iry. Alloy 9#:. � `i. , .: ; H.-1, I� 150 9# 1 H-1 9# 1 250 325 H-1 9# 2 500 1:7#..... y: `.; :.._ HI . 1000 l# H-1 9# 2 H-1 2 H=1 1500 =17#....:..' :2:. .: Hal 9# 4 H-1 9# 4 2000 17 9 H-1 9# 6 H-1 Based ;n 90% effective extema! coating, 2 yearAnc' a Nfe. ma/ft2 current density, and 30- Anode I n stallation 1. Det "rmine size and quantity of anodes from application chart. 2. Wh h a single anode is installed, it should be located near the tan licenter on either side of tank. 3. When multiple anodes are installed, the tllnk. See examples below. space them evenly around 1 a 'lode 2 anodes 2!! des h, A %A11011are shipped in either cardboard boxes or multi -wall paper :S acks. Remove outer container and bury the cloth bagged anode I if anode is supplied in plastic bag, remove plastic bag before nstalling. 5. Install nodes approximately two to three feet from the tank and at leas ',has deep as the center line of the tank. Anodes work best in loca eons with permanent moisture, so generally the deeper the be er. 6-After piecing the anode, stretch out the anode connection wire and ext nd over to a connection point on the tank fill pipe. 7. Cover t pie anode with approximately six Inches of backfil( and pour 5 'allons of water on the anode to saturate the prepared backfill. Water is necessary to activate the anode. 8. Connect, the anode wire to the tank with a low electrical resistan 'e connection. Examples are threaded stud on the tank fill ipe or any accessible metallic connection point to the tank. All connections should be coated with a moisture -proof material. 9. Ideally, t tank connection is made in the area of the tank fill Pipe withrn the covered dome. With access to the anode wire, subseque it testing of the tank can include measurement of anode out 1 ut and verification of performance. 10.Verify pe ormance of the anode using an appropriate test procedure, �anical 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. (DO 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 ch electrode (/ cell). arged reference 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 %z 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 deionized 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 frep,,.