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Home My WebLink About265 SAN JACINTO RIVER RD_ 06-00003489JOB SITE: DR. PETER KRAKOWAIK DMD LAKESHORE DENTAL 265 SAN JACINTO RIVER RD # 1019102 LAKE ELSINORE, CALIFORNIA 92530 SCOPE OF WORK: INSTALLATION OF ONE OXYGEN / NITROUS OXIDE MANIFOLD. INSTALLATION OF ONE NITROGEN MANIFOLD IN ONE CYLINDER STORAGE ROOM. INSTALLATION OF FIVE OXYGEN, THREE NITROUS OXIDE DISPENSING LOCATIONS IN ONE DENTAL FACILITY. INSTALLATION OF THREE NITROGEN DISPENSING LOCATIONS IN ONE DENTAL FACILITY. INSTALLATION OF THREE VACUUM OUTLETS IN ONE DENTAL. FACILITY. VACUUM PIPING AND VACUUM PUMP BY OTHERS.) INSTALLATION REQUIREMENTS INSTALLATION TO BE INSTALLED PER CODE N.F.P.A. 99 CHAPTER 4 TYPE 3 MEDICAL GAS INSTALLATION AND U.F.0 ARTICLE 74, 2000 EDITION AND ALL LOCAL GOVERNING REQUIREMENTS. MEDICAL GAS SYSTEMS TO BE INSTALLED USING METHODS AND PROCEDURES THAT MAINTAIN THE INTERIOR CLEANLINESS OF THE PIPING SYSTEM, AS-REQUIRED BY THIS STANDARD. BRAZING SHALL BE PERFORMED BY INDIVIDUALS WHO ARE QUALIFIED UNDER THE PROVISIONS OF 4-3.1.2.7.-4-3.1.2.14. PER NFPA 99 (1999) NOTE ALL CYLINDERS IN STORAGE OR SERVICE SHALL BE INDIVIDUALLY SECURED TO PREVENT FALLING OR BEING KNOCKED OVER PER N.F.P.A. 99 GUIGELINES. PIPE TYPE: ALL OXYGEN / NITROUS OXIDE & NITROGEN PIPE SHALL BE COPPER HARD DRAWN TUBE. TYPE L (ASTM B 819) AND BEAR ONE OF THE FOLLOWING MARKINGS OXY -MED, ACR/OXY OR ACR/MED. PIPE SIZE: ALL OXYGEN / NITROUS OXIDE HORIZONTAL AND VERTICAL PIPE SHALL BE % INCH I.D. COPPER TUBING. ALL NITROGEN PIPE HORIZONTAL AND VERTICAL WILL BE INCH I.D. COPPER TUBING. MEDICAL GAS SYMBOLS: OXY = OXYGEN N20 = NITROUS OXIDE NIT= NITROGEN CUBIC FEET OF NON - FLAMMABLE GAS STORED IN CYLINDER STORAGE ROOM: TWO- OXYGEN CYLINDERS =249 CUBIC FEET EACH. TWO- NITROUS OXIDE CYLINDERS =489 CUBIC FEET EACH. THREE - NITROGEN CYLINDERS =229 -CUBIC FEET MEDICAL GAS STORAGE: ( NON FLAMMABLE) NOTE: MEDICAL GAS STORAGE ROOM TO BE ONE -HOUR FIRE RATED CONSTRUCTION. (DONE BY OTHERS' ) NOTE: MEDICAL GAS STORAGE ROOM VENTILATION SYSTEM DONE BY OTHERS) NOTE: MEDICAL GAS STORAGE ROOM FIRE SPRINKLER DONE BY OTHERS) NOTE: ALL ELECTRICAL WORK. DONE BY OTHERS) NOTE: ALL PIPING WILL BE LABELED WITH GAS TYPE, IDENTIFICATION COLOR AND DIRECTION OF FLOW. LABELS- SHALL BE PLACED AT LEAST ONCE EVERY 20 FEET OF LINEAR RUN AND AT ALL CHANGES OF DIRECTION. 24 HOUR PRESSURE TEST NOTE: 24 HOUR PRESSURE TEST AT 150 PSI. USING DRY NITROGEN. REVIEWED BY CITY OF LAKE ELSINORE BUILDING INSPECTOR AND OR RIVERSIDE COUNTY FIRE DEPARTMENT INSPECTOR. FINAL TEST NOTE: THIRD PARTY CERTIFICATION TO BE PROVIDED TO CITY OF LAKE ELSINORE BUILDING INSPECTOR AND OR RIVERSIDE COUNTY FIRE DEPARTMENT INSPECTOR PRIOR TO FINAL INSPECTION. MEDICAL GAS INSTALLATION BY: AIRGAS WEST INC. 10701 VANOWEN STREET NORTH HOLLYWOOD, CALIFORNIA 91605 PHONE 818 506 -2455 FAX 818 506 -2465 CONTACT: CARL MOORE STATE OF CALIFORNIA MEDICAL GAS CONTRACTORS LICENSE # 256141 NOTE VACUUM OUTLETS INSTALLED IN WALL ONLY. VACUUM PIPING, VACUUM PUMP AI*.TD ALL VACUUM CONNECTIONS BY OTHERS. MEDICAL GAS SYSTEM EQUIPMENT SCHEDULE: M 1 = PORTER 4222CXA VANGUARD MANIFOLD SYSTEM-. WITH AUTOMATIC CHANGEOVER FOR 2- OXYGEN & 2- NITROUS OXIDE CYLINDERS. M 2 = PORTER VANGUARD WALL ALARM. HIGH / LOW WARNING (VISUAL and AUDIO) CHANGEOVER WARNING (VISUAL and AUDIO) M 3 = PORTER 8203 - MANUAL NITROGEN MANIFOLD 3 CYLINDER. M 4 = AMICO VBU -M 050507 TRIPLE ZONE VALVE BOX (I /2 x 1/2 x 3/4) OXYGEN '/z , NITROUS OXIDE '/2 NITROGEN 3/4 ) M 5 = AMICO O- QDDENT -U -02V TRIPLE DENTAL OUTLET QUICK CONNECT (OHMEDA STYLE) OXYGEN, NITROUS OXIDE,VACUUM) M 6 = AMICO O- DISCON -E -NIT SINGLE CONSOLE NITROGEN DISS OUTLET. M 7 = NO SMOKING OXYGEN, NITROUS OXIDE, NITROGEN SIGN MOUNTED ON MEDICAL GAS STORAGE ROOM DOOR. M 8 = AMICO O- QDCON -U -OXY SINGLE CONSOLE OXYGEN OUTLET QUICK CONNECT OHMEDA STYLE) P\ F OR Nlq C W CLASSIFICATION U_ D23(C61)/C10/C16 0 LIC. X256141 -_0 EXP. 01/31/2007 Cq / F0' ?R- k A$ s aF; oroval of these plans shall applicable ermit or approve any violation 0, the appo give codes or ordinance. No permit presumed APPROVED ;ty to violate or cancel the provisions of suchautl0r codes shall be valid. M2 M4 M5 M6 S70" 9 R Y00ilL ^r# d 4D14 OOt201aIfALCi)NNt t:tBRCI1BLH ONNECTAb9lIAbtV 8 4 -KA 1 b-040 TV14 CCNWJMR CAQtb \ INSTALL POWER *UPPLY ATANY PINT IN I& CA" j MULTIPLE ZONE VALVE BOX DENTAL OUTLET j ti twn NFPA VERSION' Co oration QUICK DISCONNECT _ CONSOLE OUTLET MO CONSOLE OUTLET Corporation yf A.MIC7 OHMEDA DIAMOND QUICK DISCONNECT 4( x COMPATIBLE Corporation DISS M1 ® OHMEDA B- 1905 -ti02 F _ PDWFRI N ALSAl ir i{ - MIC 0 COMPATIBLE JuNCr1oNAG8$IRStV SPECIFICATIONS: YY `J SPECIFICATIONS: F Zone valve boxes shall be an Amico Alert-1 series. _ r The Dental gas outl -t shall be an Amico Alert -I series. SPECIFICATIONS: 1013 SPE CIFICATIONS: The medical gas outlet shall be an Amico Alert -1 series. Eachrecessedzonevalveboxshallconsistofthefollowing ' Outlets shall be manufactured with a 165 mm [6 -1/2 "] components: A steel valve box which can house two to six > length type "K" 9.5 rrtnl [3/8 "] outside diameter copper The medical gas outlet shall be an Amico Alert-1 series. e222 shut -off ball valves with tube extensions, an aluminum inlet pip, stub, which is silver brazed to the outlet body. Outlets shall be manufactured with an 6 - 1/2" [165 mm] AttTCIMATFC 1 1 frame, and a pull -out removable opaque or clear window. - p Body shall be 33 mrn []- 5/16 "] diameter one piece brass Outlets shall be manufactured with an 6 - 1 /2" [165 mm] ength type "K" 1/2" [12.7 mm] outside diameter (3/8" M 1 len th t e "K" 1/2" 12.7 mm outside diameter nominal) sizecopperinletpipestub which issilverbrazed u IFOtp construcon.Forpositivepressuregasservices,theoutlet g YP [ l (3/8" ' nominal) size copper inlet pipe stub which is silver brazed to the outlet body. Body shall be 1- 5/16" [33 mm] diameterThevalveboxshallbeconstructedof18gaugesteel — shall be equipped vith a primary and secondary check completewith a baked white enamel finish. Affixed tothe valve anf the secondary check valve shall be rated at a to the outlet body. Body shall be 1 - 5/16" [33 mm] one piece brass construction. For positive pressure gas opposing sides of the box will be two adjustable steel maximwn of 1379 kPa [200 psi] in the event the primary _ i diameter one piece brass construction. For positive pres- services, the outlet shall be equipped with a primary and sure as services, the outlet shall be equipped secondary check valve and the secondary check valvebracketsforthepurposeofmountingtheboxtothehaveaminimumpressureratingof600psi [4,137 kPa]. check valve is removed for maintenance. Outlet bodies g equi with a shall be ratedataminimum 200psi [1,379kPa]intheeventPPIspecificbyindexingeachgasservicetoagasprimaryandsecondarycheckvalveandthesecondary the primary check valve is removed for maintenance. t11i1tYVA INPU structural support. The steel brackets shall accommodate shall be ;as FEATURES: check valve shall be rated at a minimum 200 psi 1 379 3 417 WO INPUT various finished wall thicknesses between 3/8" 9.5 mm Valves shall be operated b a lever-type handlerrequiring specific dual pin indexing arrangement on the respective P [ Outlet bodies shall be gas specific by indexing each gas teCt;INOttesgRQROt1MC [ ] P Y YP eq $ t tM OY ELIECTRKMN and 13/16" [30 mm] and shall be field adjustable. only aquartertum froma fully open position toa fully closed identificthonmodult . kPa] in the event the primary check valve is removed for position. Pressure drop of less than 17 kPa [2.5 psi] through the maintenance. Outlet bodies shall be gas specific by index- r: service to a gas specifictlual pin indexing arrangement on outlet 120I/minand345kPa 50 st inlet ressure in each as service to a assspecific dual to indexing the respective identification module. The frame assembly shall be constructed of anodized Alargec3lorcodedfrontplateshallbeusedforeaseofgas @ [ P $)• P g g g ]?ce P g identification and aesthetic appeal. arrangement on the respective identification module. A large color coded front plate shall be used forease of gas aluminumandshallbemountedtothebackboxassembly All valves shall be equipped with type "K" washed and PP ' by standard number 6-3/8" tapping screws as provided. degreased copper pipe stub extensions of sufficient length AcceptsOhmedaDiamondTMgasspecificadapters A The removable front shall consist of an opaque or clear to protrude beyond the sides of the box. A one piece alumin im sub plate shall cover the outlet. A large colorcoded front plate shall be usedfor ease of gas identification and aesthetic appeal. v window with a pull-out ring re- mounted to the centre of With the backbox mounted the outlet shall adjust from 10 100 %hydrostatic testing ofeach outlet and cleaned for identification and aesthetic appeal. FEATURESPgP medical service The latch valve assembly shall accommodate up io 3/4" the window. Each valve shall be supplied with an identification bracket. mm [3/8 "] to 25 mm [1 "] variation in wall thickness. FEATURES: [19 mm] wall thickness. 4 For [he clear window, the identification bracket will be With the back rough -in mounted, the outlet shalladjustup Access to the zone shut -off valves shall be by merely bolted directly onto the valve body, and for the opaque The outlets shall be of modular design and include a gas Indexed to eliminate inttrchangeabilityofgas services to 3/4" [19 mm] variation in mounting plate thickness. Flow rate exceeds the requirements of NFPA and CSA. Flow rate exceeds the requirements of NFPA and CSA. The latch valve assembly shall be Ohmeda DiamondJpullingtheringassemblytoremovethewindowfromthewindow, the identification, bracket will be riveted to the specific :.6 mm [16;1a.] steel mounting plate designed to Quick Disconnect compatible and accept only corre- Accepts only Ohmeda gas specific adapters. frame. The window can be reinstalled without the use of valve box, forthe purpose of applying an approved medical permit or: -site ganging ofmultiple outlets; in any order, on Upto 25 nun [1 "] wall thickness adjustment The latch -valve assembly shall be DISS type and only Accepts only DISS specific adapters. P y accept corresponding DISS type gas specific adapters. P y sponding Ohmeda type gas specific adapters. tools omyafterthe valve handles have been retumedtothe gas identification label. A package of labels shall be 127 mm -5 ") spacing. openposition. 100 %hydrostatic testi ng of eac„ outlet and cleaned forsuppliedwitheachvalveboxassemblyforapplicationby360° swivel inletpipe for 1 4'o hydrostatic testing of each outlet and cleaned for outlets are manufactured m no errous medical gas service. theinstaller. Thelatclimalve assembly shall be Ohmeda Diamond'"f All M.R.I. outlets are manufactured from nonferrous AllM.R.I. fro of medical gas service. material. The window shall be marked to prohibit unauthorized (Ohio Mtxiical) Quick Disconnect compatible and accept Univt;tsalrouglt -in assembly /back -box toaccept Quick material. Indexed to eliminate interchangeability of gas services. personsfromtampering with the valves with the following Amico products comply with NFPA -99. only corresponding Ohmeda type gas specific adapters. Disconnects front adapters (Can interchanged f at an time Indexed to eliminate interchangeability o. gas services._ All outlets shall be cleaned and de eased for medical assilk- screen caution: e Y ) All outlets shall be cleaned and degreased for medical gas g Up to 3/4" [ 19mm) mounting plate thickness adjustment. MEDICAL GAS CONTROL VALVE Outlets are UL Listr:d and CSA approved. L) Outlets are also available forM.R. L use Up to 3/4 " [19 mm] mounting plate thickness adjust- service, factory assembled -and tested. service, factory assembled and tested. CLOSE ONLY IN EMERGENCY" Amico products corr.ply with NFPA -99. The outlet is UL Listed and CSA approved, rnent. The outlet is L: • Listed and CSA approved. 360° swivel inlet pipe foreasy installation. The Valve shall be 3 piece ball -type design with a bronze Amico products comply with NFPA -99. El 360* swivel ittlet pipe for easy installation. Amico products comply with NFPA -99. Universal rough -in assembly to accept Quick Disconnects body and chrome plated brass ball for sizes 1/2" to 3 ". Universal rough -in assembly to accept Quick Discos- or DISS front adapters. (an be interchanged at y time). fr C an ed an t me . Seats shall be Teflon (TFE) and seals Viton for 1/2 "- 3 ". e Outlets are also available for M.R.I. use. netts or DISS front adapters. (Can be interchanged atPORTERINSTRUMENTAblow -out proof stem shall be used and the valve shall f' anytime). COMPANY, INC. 245 TOWNSHIP LINE RD. P.O. BOX 907 HATFIELD, PA 19440 -0907 USA 215 723-4000 FAX 215 723 -2199 D I M E N S 1 O N S 1 LISTED T O Outlets are also available for M.R.I. use. inch LISTED Lam] LISTED D I M E N S I O N S UL O13W12- inch DIMENSIONS LISTED DIMENSIONST [] inch O 3 ® 9.5 301 5/e / 8' - t 3/16- -- - --- ® OT inch I16] J [mil RIP NEW hl-- _- __' --:i' ,.... TOP VIEW M3 .. :...... P2 I.TJ j 10 127mmrotaDts inal)type 'K' T. -.. I ..' 28112' [S7 s71 - °OPPefPO, deg. 6: .. .. -... I Ir ( T27] 1 I t"Try a^Ya^9k. 112" [127 mm] O.D. (3/8" nominal) type "K" L pp- Pox• rtes 360 deg. 25 Me" :::::, AL4, a... : aai - -.... _ _ ...i :r.. [ 610] [ o p for antcy from any angle. 2t 8,16, _ " 19YI 0 FRONTVIEW FRONT VIEW FRONT VIEW 15* SIDE VIEW W) FRONTVIEW LATCH-VALVE BACK LATCH-I -VALVEi (47h] 10 1 - Ragh•In" ASSEMBLY ASSEMBLY A55EM13LY yl VIEW 1 NITROGEN EQUIPMENT ' . ° r » o ttP 2114- I t a r p aJ 3,1^6' + 1 `[> a Q O v L [OJJ 548] 21' W 0 8.7/8` SIDEVIB4. 8.7/6- SIDE:icWI51 SAMFil M"WAc ( 2251 PORTR o MEaVac E MODEL N U.l'rl B E R S o ° O `— oo° 38/16 © 38/3?' 3 r ElAllva ( 91] o o All valves are full port except the 3" valve which is reduced port. 1911 ° ° 1831 (] _,W6- a 3 j" The 1/2" to I -1/2" valves in a multiple zone valve box will be in a 4" deep box. .,c - The 2",2 -1/2" and 3" valve in a multiple zone valve box will be in a6 -1/2" deep box. o n Am ° ° — 9The1 -1/2" valves and larger will have an empty space above the valve. NOTE: suction inlets at not s„pplied with a secon --y che& vatve. serir Example: A box with a 1/2 ", 3/4" and 1 -1/2 "valve will require a 4 hole box not a 3 hole box. A pstiure ploy is pwvxled for testing putposes> natal at 150 pal [1,034 ]cpa]. Lr P.T I 1•>3+tw n6 2-711,51" St*ies L] ^B 2 -7^6° 2 -7^e M = Monitoring (with gauge) Replace XX with the following to indicate Valve size(s) required. [ 467 [62] [62) (467 [62] (6z] suits 1/z =05 LEKT 1 l N= Non Moniter±+g M O D E L N U hi 8 E R S MADE% 'N= UMBERS AL r,KT -1 3/a" =07 MODEL NU`NIBERS. t r VDU-1 ill =10 The XXX defines the Gas: 0 QO 0 1 -1/4" =12 O- QDDENZ =U -X The XXX defines the Gas: _ 1 -12" =15 Oxygen - OXY The XXX defines the Gas: U =English (Opaque Window) 2„ =20 li (t Oxygen - O The L defines the Language: O- DISCON -L -XXX MedicalAir = AIR The L defrres the Language: O- QDCON -L -XXX OxE= English(CleazWindow) U = E;.grtsh.,S.Colors) Vacuum = V Y - OXY2 -12" =25 S= Spanish (Clear Window) 3 =30 Oxy, N2O and Vac only Nitrous Oxide = 2 U = English (NFPA) Oxy, Air, Vac and WAG onl . MedVac = VAC U = English Medical Air = AIRYYNitrousOxide = N2O g (NFPA) Oxy, Air, Vac and WAG only. Nitrous Oxide AIR E = English (CSA) Nitrogen = NIT E = English (CSA) _ Example: F = French (CSA) _ F = French (CSA) Carbon Dioxide = CO2CarbonDioxia e - CO2 LMedVac = VACEnglishLISA = O- QDDEN7 U -02V S = Spanish (NFPA) Oxy, Air, Vac and WAG only. Caroogen = CAR S = Spanish (NFPA) Oxy, Air, Vac and WAG only. Waste Anesthetic Gas Disposal = WAG (NFPA) F- xanml -e: Waste Anesthetic Gas Disposal = WAG (NFPA) Example: Anesthetic Gas Scavenging System = AGS (CSA) English NFPA - DISS, Oxygen = O- DISCON -U -OXY Anesthetic Gas Scavenging System = AGS (CSA) English NFPA - Ohmeda compatible, Oxygen = O- QDCON -U -OXY M7 8203 Nitrogen Manifold System NO SMOKING Includes three regulators & three 3ft. hose OXYGEN NITROUS OXIDE S E NITROGEN 5OCIA TE S, INC D AI E 6,, t ecn re sewed for adherence to the c:,Ible codes and ordinance. Authorization is by granted to issue a building permit pending l,pruval by all applicable City agencies. The issuance or granting of a permit based on 31- proval of these plans shall not be construed to permit or approve any violation o; the applicable codes or ordinance. No permit presumed to give authority to violate or cancel the provisions of such codes shall be valid. Technical Information Medical Gas Cylinders (Steel) I U) Containers or Cylinder Information D.O.T. Approximate Dimensions Specification (Excluding Valve and Cap) Average Tare Weight Excluding Cap) Water Volume D 3AA2015 4.25" x 17" (10.8 cm x 43.2 cm) 9.5 lb: (4.3 kg,) 0.104 ft' (2.95 L) ED DOT -39 4.25" x 22" (10.8 cm x 55.9 cm) 12 lb. (5.4 kg.) 0.130 ft' (3.68 L) E 3AA2015 4.25" x 28.75" (10.8 cm x 73 cm) 13.5 lb. (6.1 kg.) 0.169 ft' (4.79 L) M 3AA2015 7" x 43" (17.8 cm x 109.2 cm) 74 lb. (33.6 kg.) 0.77 ft' (21.8 L) G 3AA2015 8.5" x 51" (21.6 cm x 129.5 cm) 100 lb. (45.4 kg.) 1.37 ft' (38.8 L) H 3AA2015 9" x 51" (22.9 cm x 129.5 cm) 116 lb. (52.7 kg.) 1.54 ft' (43.6 L) J 3AA2265 9" x 51" (22.9 cm x 129.5 cm) 117 lb. (53.1 kg.) 1.54 ft' (43.6 L) T 3AA2400 9" x 55" (22.9 cm x 139.7 cm) 136 lb. (61.7 kg.) 1.75 ft' (49.6 L) D ED E M n G H or J T ALL CYLINQhRS AID; COLOR COI)LQ. OXYGEN = GREEN NITROUS OXIDE = BLUE NITROGEN = BLACK Cylinder Carbon 1 V P Nitrous V Size Contents Air Dioxide Helium Nitrogen Oxide Oxygen T Cubic Feet (ft3) 311 638 291 304 637 337 Cubic Meters (m3) 8.62 17.68 8.07 8.42 17.66 9.34 Liters (L) 8,620 17,680 8,070 8,420 17,660 9,340 Gallons (gal) 2,277 4,671 2,132 2,225 4,666 2,468 Pounds (lb) 23.30 73.00 3.01 22.01 73.00 27.88 Kilograms (kg) 10.57 33.11 1.37 9.98 33.11 12.65 J Cubic Feet (ft3) 259 559 242 254 558 280 Cubic Meters (m3) 7.19 15.50 6.72 7.03 15.49 7.76 Liters (L) 7,190 15,500 6,720 7,030 15,490 7,760 Gallons (gal) 1,900 4,095 1,775 1,857 4,092 2,050 Pounds (lb) 19.44 64.00 2.51 18.38 64.00 23.16 Kilograms (kg) 8.82 29.03 1.14 8.34 29.03 10.51 OCubic Feet (ft3) 233 559 218 229 558 249 Cubic Meters (m3) 6.46 15.50 6.04 4 15.49 0 Liters (L) 6,460 15,500 6,040 6,340 15,490 6,900 Gallons (gal) 1,707 4,095 1,596 1,675 4,092 1,823 Pounds (lb) 17.46 64.00 2.25 16.56 64.00 20.61 Kilograms (kg) 7.92 29.03 1.02 7.51 29.03 9.35 0 Cubic Feet (ft3) 208 489 194 204 489 222 Cubic Meters (m3) 5.76 13.56 5.38 5.65 13. 6.15 Liters (L) 5,760 13560 5,380 5,650 13,550 6,150 Gallons (gal) 1,522 3,583 1,421 1,493 3,580 1,625 Pounds (lb) 15.55 56.00 2.01 14.76 56.00 18.36 Kilograms (kg) 7.05 25.40 0.91 6.70 25.40 8.33 E Cubic Feet (ft3) 23.5 56.2 22.0 23.0 56.2 24.9 Cubic Meters (m3) 0.65 1.56 0.61 0.64 1.56 0.69 Liters (L) 650 1,560 610 640 1,560 690 Gallons („gal) 172 412 161 169 412 182 Pounds (1b) 1.76 6.44 0.23 1.67 6.44 2.06 Kilograms (kg) 0.80 2.92 0.10 0.76 2.92 0.93 D Cubic Feet (ft3) 14.4 33.9 13.5 14.1 33.9 15.3 Cubic Meters (m3) 0.40 0.94 0.37 0.39 0.94 0.42 Liters (L) 400 940 370 390 940 420 Gallons (gal) 106 248 97.8 103 248 111 Pounds (lb) 1.08 3.88 0.14 1.02 3.88 1.27 Kilograms (kg) 0.49 1.76 0.06 1 0.46 1 1.76 1 0.58 e AP- c,, D FOR Pr`: ..T ISSUANCE SCOTT FAZEi- S' & ASSOCIATES, ING DATE BY -- Qn rev',PVded for adherence to the and ordinance. Authorization is plans nave be . ermit pending Bb!P codes building psuea granted ti° able City agencies. o.a1 by all app of a permit based on or granting construed to c vaj of e plans shall not be the applicable val of these p violation o% to give rn,A or approve any Perm' presumed of such p,;PG or ordinance. No p provisions Jul jr1ty to violate or cancel the rn yr c Shall be valid. GAS AND VACtTU`M SYSTIM6 air compressor supply system as connected in each individual D Gauge PAX Recenver connection I I I I installation. iL- c)* The compressor system shall be permitted to be a Manual. automatic, or drain plug is acceptable. single, duplex, or multicompressor system- F or drain plug is acceptable. d) Each system installation shall include appropriate RMoisture indicator disconnect switch(es), motor-starcing device(s), and motor FmJ Moisture indicator overload protection device(s). For single, duplex, or multi- Nitrogen gas cylinder storage in compressor rooms and also compressor systems, a means for activation/cleactivation of 4 Check v;itve each individual compressor shall be provided by the supplier Automatic drain or contractor. When multiple compressors are used, alterna- Drain tion of units, and a means to activate the additional unit(s) pkig should the in-service unit (3) be incapable of maintaining ade- Figure 4-5.1.1.3 Level 5 qu2te pressure, shall be provided. Manual or automatic switch- 6. Piping systems shall be designed and sized to deliver theovershallbepermitted. f) The nitrogen gas supply system shall be a system of e)* Level 3 compressed air systems shall be equipped with cylinders and necessary supply equipment assembled with that intake filter-muffier(s) of the dry L),pe; receiver(s); shutoff which will permit alternately supplying the required su pply valves, air dryer(s); in-line final particulate filters rated at 5 gas. When the content of one primary cylinder is unable to microns, 98 percent efficiency, with filter status indicator; and supply the normal operating pressures, the secondary cylin- downstream pressure regulator(s) to ensure the delivery of der(s) shall be activated manually. Automatic switchover shall compressed air with a maximum allou-able 0.05 ppm liquid be permitted. oil and 40 percent relative humidity at operating pressure and g) Where nitrogen gas is used as a backup for a Level 3 temperature. compressed air system, a check valve and shutoff valve shall Tbe air urtake shall be from outside Elie building when be located in each supply line prior to the "T" connection practical orshall be located within a room where-no chemical- to the main line. fSee Figure 4-5.1.1.4.1 based material is stored or used. 4-6.1.2 Distribution -or Patients-IA-vel 3 (Manifold, Piping. Me compressor air intake shall be located where no con- Vatving/Controls, Outlets /Terminals, Alarms). tamination from vacuum system discharges or particulate ma GAS AND VACUUM SYSTEMS 99-67 ter is anticipated. The compressor air intake shall be taken 99 from a space other than an operatory and-other than theNFPAroomorspaceinwhichthereisanopenorserni-open di&- Vertical risen, all sizes Every floor, but not to charge from a Level 5 vacuum system. [See 4-5.1.1.3.1 LEVEL3(f) 16. Where a system originally used or constructed for use at large-diameter joints shall be as stated in sections on The system shall be equipped with a pressure relief PATIENT GAS SUPPLY SYSTEM valve, pressure gauge, and receiver with drain plug or a manual drain or an autornaticAram. Recerver(s) shall have the capac- ory-metal couplings having temperature and pressure rat- ity to ensure practical on/off operation of the compressor(s). ings not less than that ofa brazedjoint shall be permitted. Receiver(s) shall comply with Section VIrl, Unfired Pressure Compression-type connections shall be prohibited Vessels, of the ASME Boder and Pressure Vessel Code. throughout the piping system, including connections to g)* An appropriate moisture indicator shall be provided. station outlets, alarm devices, and other components. The moisture indicator shall be located in the active air strearn Unions shall not be permitted in the distribution pipeline prior to or after the receiver but upstream of any system system. pressure regulators. Exception: Threaded cernnec6trnsf- air compressor sets and devices The moisture indicator shall indicate if the relative humidity such as snanfolds, pressure regulators, reWivalm, pressure swaches, of the compressed air exceeds 40 percent at line pressure and and pressure gauges. temperature. 9. Listed or approved metallic gas tube fittings that, when h) An oil indicator sensor per 4-5.1.1.3(c) shall be located made up, provide a permanentjoint having the mechani- downstream of the receiver as shown in Figures 4-5. 1. L3 and cal, thermal, and sealing integrity of a brazed joint shall 4-5.1.1.4. The oil indication device shall be capable of measur- be permitted to be used in lieu of brazed joints. ing an oil concentration of 0.05 ppm with an accuracy of 10. Turns, offsets, and other changes in direction in piping 0.03 ppm in compressed air at 80 to 100 psig (552 to shall be made with fittings complying with 4-5.1.2.10(a)4. 689 kPa). 4-5.1.1.3- Level 3 Patient Gas Supply systems. (Sw FWm i) The service outlet shall not be interchangeable with the 4-5.1.1.3.) Compressed air shall be provided by a Level 3 com- medical air station outlet. pressed air system as defined in Chapter 2- shall be brazed using an appropriate flux with a silver Buried piping that will be subject to surface loads shall A. 1.4 Level 3 Gas-Powered Devices Supply Systems. See a) Level 3 compressed air shall be permitted to be used Figure 4-5.1.1 4 to power air-powered devices for evacuation only if the exhaust preparation, assembly, heating, filler application, cooling, of the evacuation device is a closed vent to the outside of the a)* The nitrogen operating pressure shall be designed for building. operating pressures below 160 psig (1103 kPa) for consider- b) Equipment shall be obtained from and be installed ation as Level 3. under the supervision of a manufacturer(s) or supplier(s) b) Supply systems providing nitrogen gas to power devices familiar with proper practices for its construction and use. shall use nitrogen oil4ee, dry as defined in Chapter 2. Maintenance programs, in accordance with the recommenda- c) Level 3 nitrogen systems shall either have regulator(s) tions of manufacturer(s), shall be established for the dental mounted on the individual cylinder(s) or the cylincler(s) can 99-66 HEALTH CARE FACILMES to the valve and attached equipment. installed- n\ Nitrogen manifold 3. On-Size Cleaning. On-site cleaning of the interior surfaces threaded or noninterchangeable quick-coupler, shall be gas. system specific and shall consist of a primary and a secondary valve Om_; Lurn: Pacerver, pressure relief valve S_: Such surfaces shall be cleaned by washing in a clean, hot valve (or unit) is removed. Each outlet shall be legibly identi. ZE-iS fled with the name or chemical symbol of the gas contained. dium phosphate (I lb to 3 gal of potable water). Interior Where chemical symbols are used, they shall be in accordance surfaces shall be thoroughly scrubbed and rinsed with o: ua Compressor head ofMadical Gases. Where supj hmentary color identification is 4-5.1.2.11 Gas Shmoff Valves. used, it shall be in accordance with CGA Pamphlet C-9, Stan- pressure relief :F; a) Non-Emergenzy Shutoff Valtin. Systems operating at vary, cal Use. (Sw Tabk 4-3. 1. Z 12.) ing operating pressures from 0-200 psig (1380 kPa), and not d) Threaded outlets shall be noninterchangeable connec- valve tions complying with CGA Pamphlet V-5, Diameter-Index Safety a-manual shutoff valve within the facility between the source SysLm Q Non-Inteinchurrigrable Low Pressure Connections for Medwal and all service outlets. Gas Apphoaums. Ai, e) Each station outlet, including those mounted in col- I.* Where the central supply is remote from the medical gas umns, hose reeL% ceiling tracks, or other special installations, shall be designed so that parts or components that are re- system use points, the main supply line shall be provided OL- with a shutoff valve so located in the single treatment D Gauge PAX Recenver connection I I I I Shown with regulators --- pigitails arid inn pressure manifold acceptable) Receiver, pressure relief valve Compressoirrd pressure re4i valve Inlet Flex 1 1, 1 1 %ceive, Gas outlet station iL- Automatic drain Shutoff valve Manual. automatic, or drain plug is acceptable. Z Air F or drain plug is acceptable. compressor RMoisture indicator Note: Dotted Imes indicalai optional rtwm FmJ Moisture indicator Eg Uft --le' @riction boxI.I-booe) Nitrogen gas cylinder storage in compressor rooms and also Oil monitor, FoR system test location 4 Check v;itve shall clearly identify the pipeline by specific name. In Automatic drain Fs] Service outlet Drain Shutoff valve pkig connection of cylinders containing the proper gas to the pip- Figure 4-5.1.1.3 Level 5 patient gas systern (typical)- Shown with regulators --- pigitails arid inn pressure manifold acceptable) Receiver, pressure relief valve Compressoirrd pressure re4i valve Inlet Flex 1 1, 1 1 %ceive, be connected to a manifold via pigtail and pressure regulated Gas outlet station iL- Automatic drain Shutoff valve Manual, automatic, Air F or drain plug is acceptable. opbum; Note: Dotted lines indicate optional items- RMoisture indicator P-1 utility center 1E Fifter(s) 4 Check valve Oil monitor. systern test location Servioe outlet be connected to a manifold via pigtail and pressure regulated Gas outlet station at the manifold- The cylinder(s) shall be individually secured Automatic drain Shutoff valve to prevent falling. uous enclosure to protect the pipe from damage while d)* The nitrogen cylinder gas supply shall be permitted Drain plug to be-independent of the 3000 ft" (85 in') consideration for vide access at the joints during visital inspection and leak testirig. Backfill shall be clean and compacted so as to Level 3 patient nonflammable medical gases classification. Figure 4-5.1.1A Level 3 ga&powered devices supply sy Nitrogen gas cylinder storage in compressor rooms and also tape or marker placed immediately above the enclosure in the same storage area with nonflammable medical gases shall clearly identify the pipeline by specific name. In shall be permitted. addition, a continuous warning means shall be provided e) Cylinder stor-age shall avoid direct heating from steam, 4-5.1.2.1 Mechanical means shall be provided to ensure the hot water, or other indirect means. Cylinder temperatures connection of cylinders containing the proper gas to the pip- shall not exceed 1307 (54*C). ing system. Cylinder valve outlets for nonflammable gases and 6. Piping systems shall be designed and sized to deliver the gas mixtures for medical purposes shall comply with CGA f) The nitrogen gas supply system shall be a system of Pamphlet V-1, Standardfor G7"ipressad Gas Cylinder Valtie Oulid cylinders and necessary supply equipment assembled with that and Inki Cannectums (ANSI B57.1; CSA B96). which will permit alternately supplying the required su pply 12. Medical gas risers shall be permitted to be installed in gas. When the content of one primary cylinder is unable to 4-5.1.2.2 Threaded connections between the regulators and supply the normal operating pressures, the secondary cylin- the piping system "I comply with CGA Pamphlet V-5, Diarne- der(s) shall be activated manually. Automatic switchover shall ter-Index Safety *-- be permitted. 4-5.1.2.3 Flexible connectors of other than all-metal con- g) Where nitrogen gas is used as a backup for a Level 3 struction used to connect outlets of pressure regulators to compressed air system, a check valve and shutoff valve shall fixed piping shall not exceed 5 ft (1.5 m) in length and shall be located in each supply line prior to the "T" connection not penetrate walls, floors, ceilings.or partitions. Flexible con- to the main line. fSee Figure 4-5.1.1.4.1 nectors shaft comply with the provisions of 4-5.1.2.2. 4-6.1.2 Distribution -or Patients-IA-vel 3 (Manifold, Piping. 4-5.1.2.4 A shutoff valve or check valve shall be installed Vatving/Controls, Outlets /Terminals, Alarms). downstream of each pressure regulator. GAS AND VACUUM SYSTEMS 99-67 4-5.1.2.5 A pressure relief valve set at 50 percent above nor- mal line pressure shall be installed downstream of the shutoff or check valve required in 4-5.1.2.4. Pressure reliefvalves shall be of brass or bronze and designed for oxygen service. 4-5.1.2.6* Supply systems supplying a single treatment faci)- icy as outlined-in 4-5.5.2,3(a)3 shall contain as a minimum the following-. a) Two cylinders of oxygen and two cylinders of nitrous oxide (if used) if storage is remote, or two cylinders of oxygen and one cylinder of nitrous oxide (if used) if storage is not remote. b) The cylinders for each gas service shall be manifolded so that the cylinders can alternately supply the piping system. Each bank shall contain at team an average day's supply. When the content ofthe primary bank is unable to supply thesystem, the secondary bank shall be capable of being manually switched to supply the system. Automatic switchover shall be permitted. c) When the supply system is remote, the switchover shall be automatic. 4-5.l-L7* Supply systems supplying two single treatment facilities as outlined in 4m5.5.2.3(a)4 shall contain as a mini- mum a) Two cylinders of oxygen and two cylinders of nitrous oxide (if used) - b) The cylinders for each gas service shall be manifolded so that the cylinders can alternately supply the piping system. Each bank shall contain at least an average day's supply. When the content of the primary bank is unable to supply the piping system, the secondary bank shall automatically operate to sup- ply the piping system. 4-5.1.2-8 Win ning Systems for Gases. a) An automatic pressure switch, which will actuate avisttal and-audible alarm when the line pressure drops below or increases above normal line pressure, shall be connected to each main supply line within-a single treatment facility. [SOS 4-5.4.1.3(fi.] The automatic pressure switch shall be installed downstream of any main supply line shutoff valve chat may be required by the provisions of 4-5.1.2.11 (b) 2 and 3. b) A warning system as required in 4-5.1.2.8 (a) shalt be installed in each singlc treatment facility served by the supply system. The warning system shall be comprised of an audible and noricancellable visual signal and shall be installed to be heard and seen at a continuously attended location during the time of operation of the facility. c) A warning system as outlined in 4-5.1.2.8(b) shall be installed to indicate whenever automatic changeover occurs or is about to occur. The signal shall remain uncancellabte until the reserve supply bank has been replenished. The sen- sor alarm shall be independent of the sensor actuator of 4-5.1.2.8(a). When two treatment facilities are served by a common supply system, the automatic changeover alarm shall indicate in both facilities, d) A signal shall be indicated separately for each medical gas piping system when the pressure in the main line increases 20 percent or decreases 20 percen t from the normal operating pressure. The actuating switch for these signals shall be in- stalled in the main line immediately downstream (on the pip- ing distribution side) of the main line shutoff valve or the source valve if the main line shutoff valve is not required. (See C-4. 1.) e) A pressure gauge shall be installed in the main line adjacent to the actuating switch. It shall be appropriately la- beled and be readily visible from a standing position. (See G4.2.5) 4-5.1.Z9 Pressure Gauges for Gas Systems. a) Pressure gauges and manometers for medical gas pip- ing systems shall be cleaned for oxygen service. b) Pressure gauges and manometers for medical piping systems shall be identified: NAME OF GAS) USE NO OIL! 4-5.1.2.10* Gas Piping a) Gas Piping. The provisions of this section apply to field- installed piping for the distribution of nonflammable medical piped gases- 1. Tubes, valves, fittings, station outlets, and other piping components in medical gas systems shall have been cleaned for oxygen service prior to installation. 2. Piping for nonflammable medical gas systems shall be suit- able for oxygen service in accordance with 4-5.1.2.10(a)3. Each length of tube shall be permanently labeled and delivered plugged or capped- Fittings, valves, and other devices shall be scaled and marked. The installer shall furnish documentation certifying that all installed piping materials comply with the requirements of this paragraph. 3. Piping shall be ASTM B 8 19 specification hard drawn seam- less medical gas tubing; ASTM B 819 tubing is identified by the markings "OXY;" "MIED,- "OXY/MED," -OXY/ ACI?,- or -ACR/MED- in green (Type K) or blue (Type L). Main and branches shall be not less thin 4 in. nominal size. Factory-installed tube on station outlets extending no farther than 8 in. from the outlet body shall be permitted to be % in. O.D. (!/4 in- nominal) size. Connection to gauges and alarm switches and runouts to alarm panels shall be permitted to be V4 in. O.D. (14 in. nominal) size. Exception: For systrins operated at pressures between 200 and 300 psig (1380 and 20 70 kPa, respeaftely), ASTM B 819, Tybe K copper shall! be used. Copper tube shall, wherever possible, be installed overhead or below floor level. Only where Elie installation requires lntt, ling in a slab, exceptions below are permitted to apply- a- Annealed (soft temper) ASTM B88 (Type K or L) cop- per tube that has been prepared for oxygen service according to CGA Pamphlet G-4. 1, Cleaning E?uipment for Oxygen Srrt, shall be permitted to be used up to 1h in. O.D. (% in. nominal) size. b. The tube shall be installed in conduit sufficiently large to accept the following gases (if used) 02, N,O, N2, MA. DA, Level 3 vacuum. c. ThelApe shall be a continuous run from entry to ex-ft of the conduit- PVC conduit shall be permitted for Level 3 vacuum only. d. All station outlets (inlets) shall be permitted to be com- pleted after the slab is complete. c. All tests shall be completed per 4-5.4.1.2- 4. Except as provided under 4-5.1.2.10(a)8 and 9, joints in copper tubes shall be brazed using capillary fittings comply- ingwithANSI B16.22, Wrought Copperand QpperAlloy Solder- 99-68 HEALTH CARE FACILrM joint prnsureFiuings, or brazingfittings complyingwith MSS substantially continuous bearing on the bottom of the SP-73, Braz2ngjo:nLs for Wroughs mid Cast C4*per A" Solder trench. Underground piping shall be installed in a contin- joint Pressure Fithng:i. Cast fittings shall not be used for uous enclosure to protect the pipe from damage while brazed joints. backfilling. The enclosure shall be split or otherwise pro- Excephow Rared wrinections; shaU be permitted where exposed at vide access at the joints during visital inspection and leak testirig. Backfill shall be clean and compacted so as to station ouddi and mamfW conneatons protect and unifo, mly support the piping. A continuous 5. Valves, fittings, and other piping components shall be tape or marker placed immediately above the enclosure clearied for oxygen service by the manufacturer in accor- shall clearly identify the pipeline by specific name. In dance with CGA Pamphlet G-4.1, C&ianifng F4utipiment for addition, a continuous warning means shall be provided Oxygen Ser-ma, except that fittings shall be permitted to be above the pipeline at approximately one-half the depth cleaned by a supplier or agency other than the manufac- of bury. Where underground piping is installed through turer. a wall sleeve, the ends of the sleeve shall be sealed to 6. Piping systems shall be designed and sized to deliver the prevent the entrance of ground water. Piping under- required flow rates at the utilization pressures. ground within buildings or imbedded in concrete floors 7. Piping shall be supported from the building structure in or walls shall be installed in a continuous conduit. accordance with MSS Standard Practice SP-69, PipingHang- 12. Medical gas risers shall be permitted to be installed in en and Supports Sdoction and Application. Hangers and sup- pipe shafts if protected from physical damage, effects of ports shall comply with MSS Standard Practice SP-58, Pipe excessive heat, corrosion, or contact with oil. Hangers and Supports Al-, Design and Manufacture. 13. Piping shall not be installed in kitchens or electrical Hangers for copper tube shall have a copper finish. In switchgear rooms. potentially damp locations, copper tube hangers or sup- 14- Medical gas piping shall be permitted to be located in ports shall be plastic-coated or otherwise insulated from the same service trench or tunnel with fuel gas lines, fuel the tabc. Maximum support spacing shall be as follows: oil lines, electrical lines, steam lines, and similar utilities 1/4 in. (0.635 cm) nominal 5 ft (1.52 m) provided that the space is ventilated (naturaRyormechan- ically) and the ambient temperature around the medicalin. (0.953 cm) nominal 6 ft (1.83 m) 1h in. (1.27 cm) nominal 6 ft (1.83 M) gas piping is limited to 130*F (54*C) maximum. Medical 3/4 in. (1.91 cm) nominal 7 Ift (2.13 m) gas piping shall not be located where subject to contact with oiL including flooding in the case of a major oil leak. I in. (2-54 cm) nominal 8 ft (2.44 m) 1% in. (3.175 cm) nominal 9 ft (2.74 in) 15. Piping exposed in corridors and other area wheresubject 14 in. (3.81 cm) nominal 10 ft (3.055 M) to physical damage from the movement of carts, stretch- and larger ers, portable equipment, or vehicles shall be suitably pro- Vertical risen, all sizes Every floor, but not to tected. exceed 1Z ft (4.57 m) 16. Where a system originally used or constructed for use at large-diameter joints shall be as stated in sections on one pressure and for a gas is converted for operation at 8. joints in medical gas tube shall be brazed except thiat merr, another pressure or for another gas all provisions of ory-metal couplings having temperature and pressure rat- 4-5.1.2.12, 4-5.1.2.10(b), 4-5.4, and the exception to ings not less than that ofa brazedjoint shall be permitted. 4-5.1.2.10(a)3 shall apply as if the system were new. Vac- Compression-type connections shall be prohibited uum systems shall never be converted for use as gas sys- throughout the piping system, including connections to tems. station outlets, alarm devices, and other components. b) BrazedJaints. Unions shall not be permitted in the distribution pipeline ing systems shall not be interconnected for testing or for any system. 1. Brazed tube joints shall be the socket type. Filler metals Exception: Threaded cernnec6trnsf- air compressor sets and devices shall bond with and be metallurgically compatible with such as snanfolds, pressure regulators, reWivalm, pressure swaches, the base metals beingjoined. Flux shall not be used except and pressure gauges. where permitted under 4-5.1.2.10(b)lb. Brazing filler 9. Listed or approved metallic gas tube fittings that, when metals shall' comply with ANSI/AWS A5.8, Specification for Brating Fille, Metal, except that filler metals . having made up, provide a permanentjoint having the mechani- compositions not conforming to the exact ANSI/AWS cal, thermal, and sealing integrity of a brazed joint shall A5.8 classifications shall be permitted when used ac- be permitted to be used in lieu of brazed joints. cording to the manufacturer's instructions. 10. Turns, offsets, and other changes in direction in piping a. Copper-to-copper joints shall be brazed using a cop- shall be made with fittings complying with 4-5.1.2.10(a)4. per-phosphortis or coppei phosphorus-silver brazing 11. Piping shall be protected against freezing, corrosion, and filler metal (BCuP series) without flux. physical damage. Buried piping outside of buildings shall b. Dissimilar metals, such as copper and bronze or brass, be installed below the local level of frost penetration. shall be brazed using an appropriate flux with a silver Buried piping that will be subject to surface loads shall BAg series) brazing filler metal- be buried-at a sufficient depth to protect the piping from excessive stresses. The minimum backfilled cover above 2. joints to be brazed in place shall be accessible for proper the top of buried piping outside of buildings shall be preparation, assembly, heating, filler application, cooling, 36 in (91.4 cm), except that the minimum cover shall cleaning, and inspection. be permitted to be reduced to 18 in. (45.7 cm) where 3. Tube ends &'all be cut square using a sharp tubing cutter physical damage to the piping is not likely to occur. to avoid deforming the tube. The cutting wheel shall be Trenches shall be excavated so that the pipe has a firm, free from grease, oil, or other lubricant not suitable for GAS AND VACUUM SYSTEMS 99-69 oxygen service. The cut ends of rube and pipe shall be 10. Each brazedjoint shall be visually examined after cleaning deburred with a sharp, clean deburring tool, taking care of the outside of thejoint. The following conditions shall to prevent chips from entering the tube or pipe. be considered unacceptable: 4. The surfaces to be brazed shall be mechanically cleaned a. Flux or flux residue using a clean stainless steel wire brush or equivalent- The b. Excessive oxidation of the joint use of steel wool shall be prohibited due to the possible c. Presence of unmelted filler metal presence of oil. Mechanical cleartirig shall not result in grooving of d- Failure of the filler metal to be clearly visible all the the surfaces to be joined. After mechanical cleaning, the way around the joint at the interface between the surfaces shall be wiped using a clean, hin t-free white cloth. socket and the tube During this cleaning, care shaill be taken to avoid contami- e. Cracks in the tubc or component nation of the cleaned item for oxygen mternal surfaces f. Cracks in the brazie filler metal of the tube and components- joints shall be recleaned if g. Failure of the joint to hold the test pressure under contaminated prior to brazing. joints shall be brazed 4-5.4.1.2 within 1 hour of being cleaned. it. Brazed joints that are found to be defective under 5. Where dissimilar metals such as copper and bronze or 4-5.1.2.10(b) 10 conditions a, c, d, f, or g, shall be permit- brass, are being brazed, flux shall be applied sparingly to ted to be repaired, except that no joint shall be repaired minimize contamination of the inside of the tube with more than once. Brazed joints that are found to be defec- flux. Ile flux shall be applied and worked over the sur- tive under 4-5.1.2.10(b)IO, conditions b and e, shall be faces to be brazed using a stiff stainless steel bristle brush replaced- to ensure adequate coverage and wetting of the surfaces Dental vacuum White with flux. Where possible, short sections of copper tube c)" 77triss"Joints. shall be brazed to the noncopper component and the 1. Threaded joints in medical gas distribution piping shall interior of the subassembly shall be cleaned of flux prior be limited to the connection of pressure gauges, alarm to installation in the piping system- Flux-coated brazing pressure switches, and similar devices. rods shall be permitted to be used in lieu of the applica- 2. Threads on pipe and fittings shall be tapered pipe threads tion of flux to the surfaces to be joined on tithe V4 in- complyingwith ANSI B1.20.1, Pipe 77irread4 GeneralPurpose. nominal-size and smaller. 6. Tube ends shall be inserted fully into the socket of the 3. Threaded joints in piping systems shall be made up with fitting. Where flux is permitted, the joint shall be heated polytetrafluciroethryiene (such as Teflon's) tape or other thread seat- t Ycitable for oxygen service. Sealants shall slowly until the flux has liquefied. Once this has occurred, or where flux is not used, thejoint shall be heated quickly be applied to the male threads only. to the brazing temperature, taking care not to overheat d) M-n facftrrrd Equip- -d C-P- I-aftalturn- the joint. Techniques for heating the joint, applying the brazing filler metal, and making horizontal, vertical, and 1. The installation of individual components shall be made large-diameter joints shall be as stated in sections on in accordance with the instructions of the manufacturer. Such instructions shall include directions and information Iwlrng Heat and Brazing"and "Horizontal and Verum cal joints" in the chapter on "Joining and Bending" in deemed by the manufacturer to be adequate for attaining the CDA Giipper Tube Handbook. proper installation, testing, maintenance, and operation of the medical gas systems. These instructions shall be left 7.* While being brazed, joints shall be continuously purged with the owner with oil-free dry nitrogen to prevent the formation of copper oxide on the inside surface of the joinL The flow 2. The installation shall be made by qualified, competent of purge gas shall be maintained until the joint is cool technicians experienced in making such installations. to the touch- e) Prohibited Interr-onnections. Two or more medical gas pip- Exapdon: Afinalconnea*wntoanezubngpipeltneshaIJbepffmtf- ing systems shall not be interconnected for testing or for any ted to be made withotit the use of a ni&Wn purge. Afterfind connec- other reason. Leak testing shall be accomplished by separately ition, the affeand doumstremn porhans of the pipdrite shall be lested charging and testing the individual piping system. in accordance with 4-5.4.1.3 with the gas of system derignaliern. f)* Falings. Fittings shall be manufactured from metallic 8. During and after installation, openings in the piping sys- corrosion-resistarit materials suitable for the system pressures tern shall be kept capped or plugged to avoid unnecessary not to exceed 160 psig (1103 kPa)]. loss of purge gas while brazing and to prevent debris or g) Connectors and joints. Connectors and joints shall be other contaminants from entering the system; except that brazed or threaded NPT. during brazing, a discharge opening shall be provided h) Genend Paqurrinnents. on the opposite side of the joint from where the purge gas is being introduced. During brazing, the purge gas 1. Oxygen Cmipadbihty. Components in nonflammable medi- flow rate shall be maintained at a level that will not pro- cal gas systems shall be of materials that are suitable for duce a positive pressure in the piping system. After braz- oxygen service. (So 4-3.1.1.3, hfawiial- Conipatibil- ing, the discharge opening shall be plugged or capped ity) Pipe (tube). fittings, valves. and other components to prevent contamination of the inside of the tube. shall have been thoroughly cleaned internally to remove 9. After brazing, the outside of all joints shall be cleaned by oil, grease, and other readily oxidizable materials, as if for washing with water and a stainless steel wire brush to oxygen service. remove any residue and permit clear visual inspection of 2. Cleankness. Materials that have been cleaned for use in thejoint- Where flux has been permitted, hot water shall medical gas piping systems shall be plugged, capped, or be used. otherwise scaled until installed. Particular care shall be 99-70 HEALTH CARE FACILITIES not be required to have an alarm system. taken in the storage and handling of such material to Floor mounts for Level 3 gas systems shall not be recessed maintain its clean condition. Immediately before final as- and shall be permitted to be mounted in or on the dental sembly, such material shall be visually examined internally junction box, when mounted to the floor. for contamination. Material that has become contaminated b) Station outlets shall be located to avoid physical damage and is no longer suitable for oxygen service shall not be to the valve and attached equipment. installed- c)' Each station outlet for medical gases, whether 3. On-Size Cleaning. On-site cleaning of the interior surfaces threaded or noninterchangeable quick-coupler, shall be gas. of tubes, valves, fittings, and other components shall be specific and shall consist of a primary and a secondary valve limited to recleaning surfaces in the immediate vicinity of or assembly). The secondary valve (or unit) shall close auto- thejoints that have become contaminated prior to brazing. matically to stop the flow of medical gas when the primary Such surfaces shall be cleaned by washing in a clean, hot valve (or unit) is removed. Each outlet shall be legibly identi. water/ alluhne solution, such as sodium carbonate or triso- fled with the name or chemical symbol of the gas contained. dium phosphate (I lb to 3 gal of potable water). Interior Where chemical symbols are used, they shall be in accordance surfaces shall be thoroughly scrubbed and rinsed with with the CGA Pamphlet P-2, Characteristics and Safe Handling, clean, hot potable water. ofMadical Gases. Where supj hmentary color identification is 4-5.1.2.11 Gas Shmoff Valves. used, it shall be in accordance with CGA Pamphlet C-9, Stan- persons. 7. An oxygen cylinder shall never be draped with any mate- dard Golor-Marking of C-pretred Gas Cyknders Intended Jar Medi- a) Non-Emergenzy Shutoff Valtin. Systems operating at vary, cal Use. (Sw Tabk 4-3. 1. Z 12.) ing operating pressures from 0-200 psig (1380 kPa), and not d) Threaded outlets shall be noninterchangeable connec- operating at a constant regulated 50 psig (345 kPa), shall have tions complying with CGA Pamphlet V-5, Diameter-Index Safety a-manual shutoff valve within the facility between the source SysLm Q Non-Inteinchurrigrable Low Pressure Connections for Medwal and all service outlets. Gas Apphoaums. b) Eknery-cy Sh-ff Valzies. e) Each station outlet, including those mounted in col- I.* Where the central supply is remote from the medical gas umns, hose reeL% ceiling tracks, or other special installations, shall be designed so that parts or components that are re- system use points, the main supply line shall be provided qwred to be ga&specific for compliance with 4-5.1.2.12(c) with a shutoff valve so located in the single treatment cannot be interchanged between station outlets for d ifferent facility as to be accessible from use-point locations in an gaseL emergency. 2. Where the supply is remote from A single treatment faci],- 1. The use of common parts such as springs, 0-rings, fasten- ity the main supply line shall be provided with a shutoff ers, seals. and shutoff poppets shall be perimitted. valve so located in the single treatment facility as to be f) When multiple wall outlets are instalted, including those accessible from use-point locations in an emergency. Such for vacuum, there must be sufficient spacing between outlets valves shall be labeled to indicate the gas controlled-and to permit the simultaneous use of adjacent outlets with any hall shut off only the gas to that single treatment facihty of the various types of required equipment. A remotely activated shutoff at the supply cylinder shall g) Outlets intended for the connection of manufacturednotbeusedforemergencyshutoff. For clinical purposes, assemblies shall be D.L.S.S. connectors, or noninterchangeable stich a remote actuator shall not faiklosed in the event gas-specific, semi-perimarient connectocs. of a loss of electric power. If remote actuators are the type that fad-open, it shall be mandatory that cylinder 4-5.1.3 Distribution for Gas-Powered Devke&--IAVd 3. shutoff valves be closed whenever the system is not in use. 4-5.1.3.1 The provisions of this section apply to field-installed See 4-5.3.2.3(b.] piping for the distribution of gases to power devices. 3. Where the central supply system supplies two single treat- ment facilities, each facility shall be provided with a shut- a) Piping shall be Type K or L copper (hard drawn or off valve so located in each treatment facility as to be annealed) or brass (schedule 40 or 80). If Level 3 system accessible from the use-point locations in an emergency. dynamic gas piping is butalled simultaneously with other pa- tient gas piping systems, either the Level 3 system piping shallSuchvalvesshallbelabeledtoindicatethegascontrolled and shall shut off only the gas to that single treatment be labeled or otherwise identified prior to installation in order facility A remotely wtivated shutoff at the supply mani - to preclude inadvertent inchusion in a nonflammable medical fold shall not be used for emergency shutoff valves for gas piping system, or the Level S system piping shall be cleaned dual treatment facility installations. For clinical purposes, and clegreased in accordance with 4-5.4.1. such a remote actuator shall not faiklosed in Elie event b)* Fittings shall be manufactured from corrosion- of a loss of electric power. If remote actuators are the resistant materials suitable for the system pressures [not to type that fail-open, it shall be mandatory that cylinder exceed 160 psig (1103 kPa) ]. shutoffvalves be closed-whenever the system is not in use. c) Connectors andjoints shall be brazed, or threaded NPT. Set 4-5.5.Z3(0.1 d) Piping shall be supported from the building structure 4. Each riser supplied from the main line shall be provided in accordance with MSS Standard Practice SP-69, PipmgHant with a shutoffvalve adjacent to the riser connection. Riser ers and Supports-Seliclient and Appkcation. Hangers and sup- valves shall remain accessible and shall not be obstructed. ports shall comply with MSS Standard Practice SP-58, Pipe 4-5.1.2.12 Gas Station Outlets. See C-4.2. Hangers et"d Support--hfaterials, Design and Manufacture. e) Piping shall be protected against freezing, corrosion, a)* Station outlets shall be located at an appropriate and physical damage. Buried piping outside of buildings shall height above the floor to prevent physical darnage to equip- be installed below the local level of frost penetration. Buried ment attached to the outlet. piping that will be subject to surface loads shall be buried at 1999 Edition GAS AND VACUUM SYSTEMS 99-71 Table 4-5.1.2.12 Standard Designation Coicins and Operating Prenum for Level 3 Gas and Vacuum Systems Gas Service Abbreviated Name Colors (Background/7ext) Staridard Pressuire Medical air McclAir Yellow/black 50 psii; +5/-0 Check valve 345 kN +35/-0 Carbon dioxide CO, Grey/black or grey/white 50 pk +5/-0 Pipe isolators 5 kPi +35/-0 Helium He Brown/white 50 psig +5//-0 Vacuum gauge 345 kP2 +35/-0 Nitrogen N2 or HFN2 Black/white 160 psig +25/-0 4-5.4.1.3 System Verification and-Final Testing. The follow- 1.145 kPa +173/-0 Nitrogen oxide N20 Blue/white 50 ps* +5/-0 S45 kPa +35/-0 Oxygen 02 Green/white or white/green 50 Psig +5/-0 and experienced in the field of Level 3 medical gas, Level 3 Se kPa +35/-0 Oxygm/carbon dioxick- O,/CO, a% Green/gmy, 50 psig +5/-G mixtures (M is % of Cot) W M +35/-0 Medicakurg" vacuum McdVac White/litack 15 inlig to 30 in.Hg pressure [50 psig (345 kPa)). The source shutoff valve shall SW mmHg to 760 mmHg Waste anesthetic gas WAGD, Viollet/white Vanes with system type disposal Dra rzige sys1tem Other mixtures Gas A %/Gas B% Colors as above Major gats for background/ N one Optional separvlor minor gas for text Dental air Yellow and white diagonal stripe/black No" Dental vacuum White and black diagonal swipe/black None Laboratory air I AA r Yellow and white Checkerboard/biack None Laboratory acuurn Iabvac White and black Checkerboard/black boxed None Note: Colors used should approximate standard colors such as process green for oxygen or process blue for nitrous oxide blue. outside a sufficient depth to protect the piping from excessive stresses. Jstretchers, portable equipment, or vehicles shall be suitably, The minimum backfilled cover above the top of buried piping of 5 psig (35 kPa). Leaks, if any, shall be located, repaired, protected. outside of buildings shall be 36 in. (91.4 cm), except that the mance testing shall be conducted as recommended by the h) Hoses and flexible connectors, both metallic and non- minimum cover shall be permitted to be reduced to 18 in. lets and all other gas system components (e-g., pressure- metallic, shall be no longer than necessary and shall not pene- 45.7 cm) where physical damage to the piping is not likely ity. trate or be concealed in walls, floors, ceilings, ar partitions. to occur. Trenches shall be excavated so that the pipe has a shutoff valve shall be closed. Flexible connectors, metallic or nonmetallic, shall have a min firm, substantially continuous bearing on the bottom of the Ew! mum burst pressure of 1000 psig (6900 kPa gauge). [See 4- trench. Underground piping shall be installed in a continuous making the standing pressure test, the only allowable pressure minimum of 24 hours. The pressure drop sluall not exceed-5 enclosure to protect the pipe from damage white backfilling. psig (35 kPa). The enclosure shall be split or otherwise provide access at the 4-5.i.3.2 Gas Sbutoff Valves. joints during visual inspection and leak testing. Backfill shall a) Emergency gas shutoff valves shall not be required. be clean and compacted so as to protect and uniformly support Shutoff valves for isolation of a duplex system operation com- the piping. A continuous tape or marker placed immediately ponents shall be provided as recommended by Lhe manufac- above the enclosure shall clearly identify the pipeline boy spe- iurer. cific ruime. In addition, a continuous warning means shall be b) Where nitrogen gas is used as a backup for a Level Sprovidedabovethepipelineatapproximatelyone-half the compressed air system, a check valve and shut*ff valve shall depth of bury Where underground piping is installed through be located in each supply line prior to the tee connection inawallsleeve, the ends of the sleeve shall be scaled to prevent the main line. JSce Figure 4-3.1.1.4.1 the entrance of ground water. Piping underground within 4-5.5.2.1 Policies for gases in cylinders and liquefied gases buildings or imbedded in concrete floors or walls shall be 4-5.1.3.3 Service Ouilkets. installed in a continuous concluit- a) Outlets from Level 3 piping systems shall be either af) Gas piping shall be permitted to be located in the same- shutoffvalve with a threaded female pipe connect, or a quick- service trench or tunnel with fuel gas lines, fuel oil lines, connect fitting with a single check valve. electrical lines, steam lines, and similar utilities provided that the space is ventilated (naturally or mechanically) and the b) Seir7e outlets shall be located to avoid physical dam- ambient temperature around the medical gas piping is limited age. to 1307 (54'C) maximum. Gas piping shall not be located 1.3.4 Alarms. where subject to contact with oil, including flooding in the thawed with warm-not boiling-water. case of a major oil leak- a) Gases used to power devices, such as in a compressed g) Piping exposed in corridors and other areas where air or nitrogen system, as well as Level 3 vacuum systems, shall subject to physical damage from the movement of carts, not be required to have an alarm system. 72 HEALTH CARE FA--IXM 4-5.2 Piped Vactrurn Syst (Souirce and Datnbufton- Level S. 4-5.2.1* Source--Level 3. 4-5.2.1.1 Service inlets shall be either a shutoff valve with a threaded female pipe connector, or a quick-connect fitting with a single check valve. 4-5.2.1.2 Level 3 vacuum pumps shall be sqm'ble for the intended purpose. Wet vacuum piping Mtek shall have a liquid/air separator in the system. [See Figures 4-5.2.1.2(a) through A-1 Equipment shall be obtained from and be installed under the supervision of a manufacturer(s) or supplier(s) familiar with proper practices for its construction and use. Mainte- nance prograrm, in accordance with the recommendations of manufacturer(s), shall be established for the dental air compressor supply system as connected in each individual installation. 4-5.2.1.3 Liquids from a Level 3 vacuum system, per 4-5.2.2, shall be directly connected to the sanitary drainage system through an appropriately trapped and vented drain. [Sw Ft unts 4-5.2-1.3(a) and (b).] 4.5.2.1.4* The gas discharge from a Level 3 v2cuum system shall be piped to the outside. The gas shall be discharged outdoors in a manner that will minimize the hazards of noise and contamination to the facility and to the environment. 4-5.2.1-5 The exhaust shall be located remote from any door, window, air intake, or other openings in the building with particular attention given to separate levels of intake or dis- charge. Care shall also be exercised.to avoid discharge locations contraindicated by prevailing winds, adjacent buildings, topography and other influences. 4-5.Ll.6 Exhaust to the outdoors shall be protected against the entry ofinsects, vermin, debt* and precipitation. Exhaust lines shall be sized to minimize back pressure. 4-5.2.1.7 Discharge of the vacuum systems utilEzing common exhaust pipes shall be fitted with a check val,,e, a manual valve, or arranged to permit capping of the active pipe when removing and servicing a vacuum pump or components. 4-5.2.1.8$ Vacuum exhaust from separate pumps shall follow the manufacturer's recommendations. Lkluid [CA To draft' Refer 10 r Options Figure 4-5.2.1 _V). Ta, Note 1: Does not have to be below floor. NOW k Dotted fines Indicate Optional it-= Figure 4,&2.1.2(a) Typical Level 3 wet or dry piping system with single Air/liquid ssl or 0 S V cuum Options H20 vacuum relief valve Check valve Solids separator no Inlet station Pipe isolators HO Water supply Service intet Q Vacuum gauge 9 Mfity center Note V Does not havelo be belOwffOOf. Note 2: Dotted lines indicate optional items. Figure 4-5.2.1.2(b) Typical Level 5 wet or dry piping system with duplex vacumn source. GAS AND VACUUM SYSTW F7 separator 1 1 0-h GaugeCW -6-.: device vent to outside 1 waste 1 hodng tank Flexible connectors r is Isolators L To drain:* Refeir to Figure 4-5.2.1.3(a). Utility center fo Intel station Z4 Check valve Pipe isolators Vacuum rebefnalive E Service inlet P Vacutim gauge Note 1: Does not ham to be below floor. Not- 2: Dotted lines inickate optional items. Fgurr4-&Ll.2(c) Typical Level 3 -or dry piping systrin with single vacuum source. 17 Separator I flush device CW --JKT Vent(s) to outside Waste valon hokling tank Flexible rsVconnect is Vacuum um To drain:* Refer to Figure 4-5.2.1.3(a). fuc varty, carrier Inlet slaition Z4 Check valve Pipe isolators L Service inset Q Vacuum gaugeEJVacuumreliefvalver- ?i Note 1: Does not have to be below floor. Note 2 Dotted fines indicate optional terns. FVwe46.Ll.2(d) Typical Level 33 wet or dry piping sysitem with duplex vacumn source. 4-5.2.2 Distribution--Level 3. 4-5.2.2.1 Piping mateTials shall be corrosion-resistant mate- rial having a smooth interior surface. Piping shall be sized according to the manufacturer's recommendations. All piping shall be provided with adequate and accessible clean-out bcili- ties on mains and branches and shall be accessible for inspec- tions, maintenance, and replacement 4-5.2.2.2 Nonflammable waste gases " be permitted to be disposed of through a Level 3 vacuum system provided that its inclusion in the system does not affect the overall performance of die other parts of the vacuum system. 4-5.2." Piping materials shall be PVC schedule 40, copper or other corrosion-resistant material. Piping shall be sized in accordance with the manufacturer's recommendations. All pipmg shall be provided with adequate and accessible cleanouts" per the manufacturer's or design engineers'spec- ifications. 1-75 4-5.2.2.4 All piping shall have smooth interior mills to avoid debris buildup. 4-5.2.2-5 Piping shall be sloped a minimum of i in. per 10 ft (0.65 cin per 30 in) toward the vacuum pump or a single location before the vacuum pump. Systems shall be free of local low sections that can collea liquids or debris Pipe hang- ers shall be used per the manufacturer's recommendations. 4-5.2.L6 Where any other vacuum systems or piping systems are used, pipe shall be labeled as to type and gas/vacuum being used. 4-5.2.2.7 Lewl 3 vacuum systems shall not be required- to have an alarm system. 4-5.3 Piped WAGD Systems-- S. 4.5.3.1 Source-Level 3. (Reserved) 4-5.3.2 Distribution-Level S. (Reserved) 74 HEALTH CARE FACZXM To the vacuum Vacuum relief valve Check valve g Solids separator Tank fluWaw-19 Intel station Pipe isolators HzO Water supply ted after the tests in this section have been completed. Addi- Service inlet Vacuum gauge S Utility center Note 1: Does not have to be below floor. NOW k Dotted fines Indicate Optional it-= Figure 4,&2.1.2(a) Typical Level 3 wet or dry piping system with single Air/liquid ssl or 0 S V cuum Options H20 vacuum relief valve Check valve Solids separator no Inlet station Pipe isolators HO Water supply Service intet Q Vacuum gauge 9 Mfity center Note V Does not havelo be belOwffOOf. Note 2: Dotted lines indicate optional items. Figure 4-5.2.1.2(b) Typical Level 5 wet or dry piping system with duplex vacumn source. GAS AND VACUUM SYSTW F7 separator 1 1 0-h GaugeCW -6-.: device vent to outside 1 waste 1 hodng tank Flexible connectors r is Isolators L To drain:* Refeir to Figure 4-5.2.1.3(a). Utility center fo Intel station Z4 Check valve Pipe isolators Vacuum rebefnalive E Service inlet P Vacutim gauge Note 1: Does not ham to be below floor. Not- 2: Dotted lines inickate optional items. Fgurr4-&Ll.2(c) Typical Level 3 -or dry piping systrin with single vacuum source. 17 Separator I flush device CW --JKT Vent(s) to outside Waste valon hokling tank Flexible rsVconnect is Vacuum um To drain:* Refer to Figure 4-5.2.1.3(a). fuc varty, carrier Inlet slaition Z4 Check valve Pipe isolators L Service inset Q Vacuum gaugeEJVacuumreliefvalver- ?i Note 1: Does not have to be below floor. Note 2 Dotted fines indicate optional terns. FVwe46.Ll.2(d) Typical Level 33 wet or dry piping sysitem with duplex vacumn source. 4-5.2.2 Distribution--Level 3. 4-5.2.2.1 Piping mateTials shall be corrosion-resistant mate- rial having a smooth interior surface. Piping shall be sized according to the manufacturer's recommendations. All piping shall be provided with adequate and accessible clean-out bcili- ties on mains and branches and shall be accessible for inspec- tions, maintenance, and replacement 4-5.2.2.2 Nonflammable waste gases " be permitted to be disposed of through a Level 3 vacuum system provided that its inclusion in the system does not affect the overall performance of die other parts of the vacuum system. 4-5.2." Piping materials shall be PVC schedule 40, copper or other corrosion-resistant material. Piping shall be sized in accordance with the manufacturer's recommendations. All pipmg shall be provided with adequate and accessible cleanouts" per the manufacturer's or design engineers'spec- ifications. 1-75 4-5.2.2.4 All piping shall have smooth interior mills to avoid debris buildup. 4-5.2.2-5 Piping shall be sloped a minimum of i in. per 10 ft (0.65 cin per 30 in) toward the vacuum pump or a single location before the vacuum pump. Systems shall be free of local low sections that can collea liquids or debris Pipe hang- ers shall be used per the manufacturer's recommendations. 4-5.2.L6 Where any other vacuum systems or piping systems are used, pipe shall be labeled as to type and gas/vacuum being used. 4-5.2.2.7 Lewl 3 vacuum systems shall not be required- to have an alarm system. 4-5.3 Piped WAGD Systems-- S. 4.5.3.1 Source-Level 3. (Reserved) 4-5.3.2 Distribution-Level S. (Reserved) 74 HEALTH CARE FACZXM To the vacuum e) Cross Ctnineciton Tea. The oxygen system only "I be activated and all other gases shall be at zero (0) psig (0 kPa) - pump($) All service outlets including vacuum shall be tested using appropriate secondary connectom Only oxygen shall flow Tank fluWaw-19 from the oxygen station outlet and all other outlets shall have testing. d) No further brazing to the Piping system shall be Permit- device ted after the tests in this section have been completed. Addi- Vent to the plumbing system Water 1. The test of ".4.1.3(e) shall be repeated for each gas and operating components of the system. inlet 4-5.4.1.3 System Verification and-Final Testing. The follow- f) Alam Testringfor Gas Systems. The automatic pressure From the switch connected to each maim supply line within a single testing shall be conducted by a party technically competent op-tortes go and experienced in the field of Level 3 medical gas, Level 3 the line pressure drops approximately 20 percent below or go increases approximately 20 percent above normal tine pres- Waste holding sure. All fitrictions shall be tested. (Sar 4-5.1.28.) gas" (i.e., oxygen, nitrous oxide, etc.) at Elie normal operating tank pressure [50 psig (345 kPa)). The source shutoff valve shall be conducted on the piping system with die intended second- then be closed. The test shall remain static for a period of 24 Optional locations; hours with a maximurn allowable pressure loss of 5 psig (35 Dra rzige sys1tem Drain check valve the manufacturer or supplier of secondary equipment shall it Optional separvlor be followed for any additional recommended tests of the pip- Ag. 4-5.2.1.3(a) Drainage from a gr-hydrained, liqluid collector tank. tion completed, 4-5.4 2 piped Gapowered Devices Syrtems.--IA-vel Exhaust to 4-6.4.2.1 Level 3 piping systems" be static pressure tested final testing. c) Static Pressure Test. The pressure test below shall be con- The be outside ducted at normal operating pressure. test gas shall the intended service gas. The test shall remain static for a J period of 24 hours with a maximum allowable pressure loss compressor system is connected. of 5 psig (35 kPa). Leaks, if any, shall be located, repaired, Vent to the and retested in accordance with this paragraph. After testing of each individual medical gas system in accor- mance testing shall be conducted as recommended by the plumbing syst- Typ_ lets and all other gas system components (e-g., pressure- 4-5.4.2-3 Records of all tests shall be maintained in the facil- Exhaustfrom ity. pressure pressure test at normal operating line pressure. The source vacuum pump shutoff valve shall be closed. 4-6.4.3.1 The piping system shall be pressurized to 15 psig After the piping system is filled with gas, the supply valve Ew! and all outlets shall be closed and the source ofgas disconnect. The piping system shall remain leak-frec for 24 hours. When aste, making the standing pressure test, the only allowable pressure minimum of 24 hours. The pressure drop sluall not exceed-5 changes during the 24-hour test period shall be those caused 4-5.4.1.1 General. Inspection and testing shall be per- formed on all new piped gas systems (including oxygen, ni- trous oxide, nitrogen, Level 3 compressed air and Level 3 vacuum), additions, renovations, or repaired systems to assure the facility that all applicable provisions ofthis document have been adhered to and all system integrity has been achieved or maintained. This inspection and testing shall include all components of the system or portions thereof including, but not limited to, cylinder room equipment, compressed air source systems, vac- uum system, alarms, pipelines, shutoff walmes, station outleM and terminal service outlets/inlets. An existing system diat is not in strict compliance with the provisions of this standard shall be permilteci to be continued in use as long as the authority having jurisdiction has deter- mined that such use does not constitute a distinct1azard. to life. All systems that are breached and components that are subject to additions, renovations, or replacement shall be ap- propriately tested. Systems shall be deemed breached at the point of pipeline intrusion by physical separation or by system component re- moval, replacement, or addition. The breached portions of the systems subject to inspection and testing shall be all the new and existing components in the immediate zone or area that is located upstream for vacuum systems and downstream for pressure gases at the point or area of intrusion. The responsible facility authority shall review all inspection and testing prior to the use of all systems covered by this document- The responsible authority shall ensure that all find- ings and results of the inspection and testing have been com- pleted and all documentation pertaining thereto shall be maintained on-site, within the facility. 4-5.4.1.2 Piping Integrity Test. The following test shall be conducted by the installer, representative of the supplim or representative of the manufacturer The test gas shall be-oil- free, dry nitrogen. a) Blow Down After installation of the piping, the terminal outlets, or station outlets, and all brazing ofjoints, but before installation of other components (e.g., pressure-actuating switches for alarms, manifolds, pressure gauges, or pressure relief valves), the line shall be blown clear by means of oil- free, dry nitrogen (see Seaton 2-2, Definstions). b) InstialPh"m Test. Before attachment of3ystem compo- nents (e.g., pressure activating switches for alarms, manifolds, pressure gauges, or pressure reliefvalves), but after installation of the station outlets, with test caps (if supplied) in place e.g., rough-in assembly), and before closing of the walls, each section ofthe piping system shutu suny- to a - P- of 1.5 times the working pressure [rninirriurn 150 psig (I M?a44- Check valve gauge) I with oil-fi-ec, dry nitrogen. 0- Optional drain plug 1. The test pressure shall be maintained until each joint has W Optional separator been examined for leakage by means of soapy water or N Drainage system other equally effective means of leak detection safe for use Note: Dotted lines inclicate optional flarm with oxygen. Leaks, if any, shall be located, repaired, and retested in accordance with this paragraph. Fg=e4_5.L1.3(b) Drainage from a positive dischaige vactrum pump 2. The source shutoff valve shall then be closed. The test hq-d separator shall remain staricibir aperiod of24 hours with a maximum allowable pressure loss of 5 psig (35 kPa). Leaks, if any, shall be located, repaired, and retested in accordance with A peTformance Criteria and Tesfing-4,evel 3 (Gas, Vac- this paragraph. urna, WAGD). (c) Piping Purge, In order to remove particulate matter in 4-5.4.1 Piped Patient Gas Systems-Level 9. the pipelines, a heav) intermittent purging of the pipeline G&S AND VACUUM SYSTEMS "-75 shall be done. The appropriate adapter shall be obtained, and a high4low purge shall be put on each outlet. The outlet e) Cross Ctnineciton Tea. The oxygen system only "I be activated and all other gases shall be at zero (0) psig (0 kPa) - I be allowed to flow fully until the purge produces no Piping "I be capped after All service outlets including vacuum shall be tested using appropriate secondary connectom Only oxygen shall flowdiscolorationinawhitecloth. from the oxygen station outlet and all other outlets shall have testing. d) No further brazing to the Piping system shall be Permit- no gas flow. The oxygen outlet shall be purged until a white cloth does not show any particulate or discoloration. ted after the tests in this section have been completed. Addi- tionad assembly shall be limited to installing the manifold and 1. The test of ".4.1.3(e) shall be repeated for each gas and operating components of the system. piping m-- 4-5.4.1.3 System Verification and-Final Testing. The follow- f) Alam Testringfor Gas Systems. The automatic pressure ing test shall be performed after those listed in 4-S.C1.2. This switch connected to each maim supply line within a single testing shall be conducted by a party technically competent treatment facility shall actuate a visual and audible alarm when and experienced in the field of Level 3 medical gas, Level 3 the line pressure drops approximately 20 percent below or compressed air and Level 5 vacuum systems and testing. increases approximately 20 percent above normal tine pres- a) All systems shall be activated with the intended -use sure. All fitrictions shall be tested. (Sar 4-5.1.28.) gas" (i.e., oxygen, nitrous oxide, etc.) at Elie normal operating g) * Additional Test of&4mdary Equiprrnent Testing also shaIll pressure [50 psig (345 kPa)). The source shutoff valve shall be conducted on the piping system with die intended second- then be closed. The test shall remain static for a period of 24 ary equipment to make sure the safety alarms and provisions hours with a maximurn allowable pressure loss of 5 psig (35 of the secondary equipment are verified. The instructions of kPa). Leaks, if any, shall be located, repaired, and retested in the manufacturer or supplier of secondary equipment shall it accordance with this paragraph. be followed for any additional recommended tests of the pip- b) After walls have been closed in, and all brazing fabrica- completion of the system shall be made. Mani- ing and or seconclary equipment- Gas 3. tion completed, 4-5.4 2 piped Gapowered Devices Syrtems.--IA-vel folds, regulators, hoses, alarms, compressors, vacuum pumps, and all accessories to the system shall be assembled before 4-6.4.2.1 Level 3 piping systems" be static pressure tested final testing. c) Static Pressure Test. The pressure test below shall be con- The be to 150 psig (1034 kPa) or 150 percent of maximum pressure whichever is greater, for 24 hours. The pressure loss shall not 5 kPa) drop in This test shall be ducted at normal operating pressure. test gas shall the intended service gas. The test shall remain static for a exceed a psig (35 pressure. conducted after all service outlets are installed and before the It period of 24 hours with a maximum allowable pressure loss compressor system is connected. of 5 psig (35 kPa). Leaks, if any, shall be located, repaired, 4-5.4-L2 After a system has been installed, other perfor- and retested in accordance with this paragraph. After testing of each individual medical gas system in accor- mance testing shall be conducted as recommended by the dance with 4-5.4.1.2(b), the completely assembled station out- manufacturer lets and all other gas system components (e-g., pressure- 4-5.4.2-3 Records of all tests shall be maintained in the facil- actuating switches for alarms, manifolds, pressure gauges, of relief valves) shall be subjected to a 24-hour standing ity. pressure pressure test at normal operating line pressure. The source 4-5.4.3 Piped Vacuum System"Arvel 3. shutoff valve shall be closed. 4-6.4.3.1 The piping system shall be pressurized to 15 psig After the piping system is filled with gas, the supply valve 103 kPa). and all outlets shall be closed and the source ofgas disconnect. The piping system shall remain leak-frec for 24 hours. When 4.3.2 The system shall maintain the, static pressure for a making the standing pressure test, the only allowable pressure minimum of 24 hours. The pressure drop sluall not exceed-5 changes during the 24-hour test period shall be those caused psig (35 kPa). by variations in the ambient temperature around the piping 4-5.4.3.3 The test shall be performed before the vacuumsystem. Such changes shall be permitted to be checked by pump is installed- means of the following pressure-temperature relationship: the calculated final absolute pressure (absolute pressure is gauge 4-5.4.3.4 All recorded test information shall be retained at pressure plus 14.7 psig ifgauge is calibrated in psig) equals the the facility. initial absolute pressure. times the final absolute temperature absolute temperature is temperature reading plus 460*F if 4-5 AA piped wAGD Systems.-4A-vel 3. (Reserved) thermometer is calibrated in Fahrenheit degrees, divided by 4-5-5 Adminiistration--Level 3. the initial absolute temperature. 4-5.5.1 Responsibility of Governing Body. (Reserved) P X Pf = 4-5.5.2 Gas system Poficies--level 3. 4-5.5.2.1 Policies for gases in cylinders and liquefied gases d) Pressure W Test Each gas pressure relief valve in the in containers for Level 3 piped gas systems. piping system shall be tested to ensure the pressure relief actuate at less than 50 percent over pressure from their a)" Handling ofGates. Administrative authorities shall pro- valves maximum operating pressure. The pressure relief valve spe& vide regulations to ensure that standards for safe practice in i the specification for cylinders; marking of cylinders, regula- fied in 4-5.1.2.5 shall close automatically when the excess pres tors, and valves; and cylinder connections have been met bysurehasbeenreleased. 99--76 HEALTH CARE FACMIrIES vendors of cylinders contairting compressed gases supplied to any circumstances to come in contact with cylinder valves the ficifity. or safety devices. Valve outlets clogged with ice shall be b) Specuil prerautjo n Cy&nd- and Manolds_ thawed with warm-not boiling-water. Grea care shall be exercised in handling oxygen to prevent 21. The markings stamped on cylinders shall not be tam- contact of oxygen under pressure with oils, greases, organic pered with. It is against federal statutes to change these lubricants, rubber; or other materials of an organic nature. markings without written authority from the Bureau of The following regulations, based on those of the OGA Pam- Explosmes. phlet G-4, Oxygen, shall be observed; 22. Markings used for the identification of contents of cyhn- 1. Oil, grease, or readily flammable materials shall never ders shall not be defaced or removed, including decals, tags, stenciled marks, and upper half of shipping tag. be permitted to come in contact with oxygen cylinders, valves, regulators, gauges, or fittings. 23. The owner of the cylinder shall be notified if any condi- 2. Regulators, fittings, or gauges shall never be lubricated tion has occurred that might permit any foreign sub- with oil or any other flammable substance stance to enter a cylind I er,or valve, giving details and 3. Oxygen cylinders or apparatus shall never be handled cylinder number. with oily or greasy hands, gloves, or rags. 24. Even if they are considered to be empty, cylinders shall 4. Particles of dust and dirt shall be cleared from cylinder never be used as rollers, supports, or for arry purpose other than that for whach they are intended by the sup. valve openings by slightly opening and dosing the valve plier. before applying any fitting to the cylinder. 5. The high-pressure valve on the oxygen cylinder shall be 25. When small-size (A, B, D, or E) cylinders are in use, they shall be attached to a cylinder stand or to therapyopenedbeforebringingtheapparatustothepatientor the patient to the apparatus. apparatus of sufficient size to render the entire assembly 6. The cylinder valve shall be opened slowly, with the face stable. Individual cylinder storage associated with patient care areas and not required to be stored in enclosures. of the gauge on the regulator pointed away from all 26. Cylinders and containers shall not be dropped, dragged, persons. 7. An oxygen cylinder shall never be draped with any mate- Or rolled. rials such as hospital gowns, ma" or caps. 27. Freestanding cylinders shall be property chained or sup- 8. 0xygen fittings, valves, regulators, or gauges shall never ported in a proper cylinder stand or cart and comply be used for any service other than that of oxygen. with 4-5.1.1.1. 9. Cases of any type shall never be mixed in-an oxygen 28. Cylinders shall not be chained to portable or movable cylinder or any other cylinder. apparatus such as mobile carts, cabinets, or dental units. 10. Oxygen shall always be dispensed from a cylinder 29.* Cylinders shall not be supported by and neither cylin- through a pressure regulator. ders nor containers shall be placed in prordmity of, radia- 11. Regulators that are in need of repair or cylinders having tors, steam pipes, or heat ducts. valves that do not operate property shall never be used. 30. Very cold cylinders or containers shall be handled with 12- Oxygen equipment that is defective shall not be used care to avoid injury. until it has been repaired by competent personnel. if 31. Cylinders and containers shall not be handled with competent in-house repairs cannot be made, such equip- hands, gloves, or other materials contaminated with oil ment shall be repaired by the manufacturer or his or or grease. her authorized agent; or it shall be replaced. 13. Oxygen cylinders shall be protected from abnormal me- c) Makring Cylinder and Contarner Connections- chamical shock, which is liable to damage the cyhndm valve, or safety device. Such cylinders shall not be stored L* Wrenches used to connectlevel 3 System equipment shall near elevators, gangways, or in locations where heavy be manufactured of steel or other suitable material of moving objects will strike them or fall on them. adequate strength. 14. Cylinderwalve protection caps, where provided, shall be 2. Cylinder valves shall be opened and connected m accor- dance with the following procedure: kept m place and be hand tightenec], except when cyhn- ders are in use or connected for use. a. Make certain dwapparatus andclitindervalve connec- 15. Cylinders shall be protected from the tampering ofunau- tions and cylinder wrenches are free offbireign materi- thorized individuals. als. 16. Valves shall be closed on all empty cylinders in storage. b. Turn the cylinder valve outlet away from personnet. 17. Oxygen shall be referred to by its proper name, oxygm Stand to the side, not in front and not in back. Before connecting the apparatus to cylinder valve, momen- not air Liquid oxygen shag be referred to by its proper tarily open cylinder valve to eliminate dusLname, not liquid air 18. Oxygen shall never be used as a substitute for coin- c. Make connection of apparatus to cylinder valve. pressed air. Tighten connection nut securely with an appropriate 19. Cylinders or cylinder valves shall not be repaired, wrench [sw 4.5.5.2. 1(c) 1]. painted, or altered. d. Release the low-pressure adjustment screw of the regu- 20. Safety relief devices in valves or cylinders shall never be lator completely if adjustable style regulator, consult with instructions if a preset style regulator. tampered with. Sparks and flame shall be kept away from- cylinders; a torch flame shall never be permitted under e. Slowly open cylinder valve to full open position. GAS AND-VACUUM S15IT-46 99-77 f Slowly turn in the low-pressure adjustment screw on and interconnecting equipment including hoses, shall the regulator until Elie proper working pressure is ob- haveadequat compatibility with oxygen under the condi- tained. [See 4-5-5.2 1(41d] tions of temperature and pressure to which Elie compo- g. Open the valve to the urilintion apparatus or system. nents may be exposed in Elie containment and use of 3. Connections for containers shall be made in accordance oxygen. Easily ignitable materials shall be avoided unless with the container man ufaccurer's operating instructions. they are parts ofequipmentor systems that are approved, fisted, or proved suitable by tests or by past experience. d) Care of Safety Mechani5ins. 2. The provisions of 4w5.5.2.3 (b) I also apply to nitrous oxide, I . Personnel using cylinders and containers and other equip- oxygen-nifincititi oxide mixtures, and to other medical gas ment covered in this chapter shall be familiar with the Pin- mixtures containing more dw 23-5 percent oxygen. Index Safety System (see 8-3.1.2) and the Diameter-Index 3. Manufactured assemblies in which are intended to be Safety System (see 8-3.1.3), both designed ito prevent udliz;a- piped nitrous oxide or oxygen shall be (a) constructed tion of the wrong gas. of metal, or (b) tested to pass a minimum 200 flame 2. Safety relief mechanisms, noninterchangeable connectors, spread rating and 200 smoke developed index in accor- and other safety features shall not be removed, altered, or dance with NFFA 255, Standard Method of Test of Surface replaced. Burning Charadenstics of Btaldting Materials, or, if con- structed of polymers (plastic, fiberglass, etc.), a rating of e) Laboratory Gases. 94 VO or better. 1. Use of Gases. Cases shall be handled and used with care (c) Maintenance programs in accordance with the manut- and with knowledge of their hazardous properties, both facturff's recommendations shall be established for the medi- individually and in combination with other materials with cal air compressor supply system as connected in each which they can come in contact. (See MPA 49, Hazardous individual installation. ChenuicalsData, and A"A 491, Manual ofHazandous CAeintcal (d) Medical gas systems not specifically provided for in Reactions.) 4-5.5.2.5(a), such as systems within a hospital served by a 4-5.5." Storage of Cytinders and Containers Level 3. central supply system, or systems serving three or more treat- a) Facility authorities, in consultation with facility staff and ment facilities, as might be found in a medical or dental office other trained personnel, shall provide and enforce regulations building, shall comply in all respects with Level 1 system& for the storage and handling of cylinders and containers of ( e) Equipment shall be obtained &om and be installed oxygen and nitrous oxide in storage rooms of approved con- under the supervision of a manufacturer or supplier familiar struction, and for the safe handling of these agents in treat- with proper practices for its construction and use. f) Every fadlity shall establish a procedure for manuallymentlocations. turning off the gas supply at the cylinder valves at the end ofb) Narfarnmable Gasm the work day, or when the Eicility is not m use. No other 1. Storage shall be planned so that cylinders can be used in method such as Emergency ShutoffValves or remote actuators the order in which they are received from the supplier [4-5.1.2.11 (b) I shall be used to turn off the gas supply. 2. If stored within the sa e enclosure, empty cylinders shall 4-S.s-3 Gas System Recordkeeping-4,evel 3. (Reserved) be segregated from ftffl cylinders. Empty cylinders shall be marked to avoid confusion and delay if a full cylinder is 4-5.5.4 Gas System Information and Warning Signs— needed hurriedly. L&vel3. The shuEoff valves of 4-5.1.2.11 shall be labeled to indicate the gas controlled and to indicate that they are to 5.2.3 Padent Gas Systems--Level 3. be closed only in an emergency a)* Level 3 nonflammable medical gas systems cover instal- 4-5-5.5 policies for gas "cin transport and delivery (Level lations that: 5) shall comply with the following. 1. Have not more than 3000 fts (85 m3) total capacity of all 4-5-5-5.1 Personnel concerned with use and transport of gases (excluding nitrogen and medical air in cylinder for equipment shall be trained in proper handling of cylinders, powered devices) connected and in storage at one time, containers, hand trucks supports, and valve protection caps. except that the total capacity of all ga_ses shall be permitted to be increased to 5000 fts (143 tins) excluding nitrogen 4-5-S-5.2 Large cylinders (exceeding size E) and containers and medical air for powered devices) if oxy - ansported on agertisusedinlargerthan100lb (45.4 kg) weight shall be tr a DOT Specification 4L (liquid) cylinder, and proper hand truck or cart complying with 8-5.2. 2. Have a fisted pressure regulator directly connected to each 4-6-5.6 Vacuum System Pollicies--Level S. (Reserved) cylinder, and 4-S.5.7 Vacuum System RecordkeePm S- (Re- 3. Supply only a single treatment facility and also as a mini- served) mum comply with the specific requirements of 4-5.1.2.6, or 4,5.5.8 Vacuum System Information and Warning Signis- 4. Supply a maximum of two adjoining single treatment &cdi- Level 3. (Reserved) ties and also as a minimum comply with the specific require- 4-5.5.9 wAGD Sysitent Policies-Level 3. (Reserved) ments of 4-5.1.2.7. b) Material Ovygrn C-npaftbt4t)t 4-6 Level 4 Piped Systems. 1.* Oxygen system components including, but not limited to, 4-6.1 Piped Gas Systems (Source and Dxstrtbuition- containers, valves, valve seats, lubricants, fittings, gaskets, Level 4. 1999 Edition 2000 UNIFORM FIRE CODE 7404.2.1.1-7404-2.3 mit amount are located jaside buildings, they shall be irtaone-hour exterior rioorn a one-hour inte- rior room or a m cabinet in accordance with Sections 7404.2.1.2, 7404.2.1.3 or 7404.2. 1 A. 7404.2.1.2 One-hour exterior rooms. A one-hour exterior room shall be a room or enclosure separated from the rest of the building by not less than one-hour-rated fire-resistive construction. Openings between the room or enclosure and interior spaces shall be self-closing smoke- and draft- control assemblies having a fire-protection rating of not less than one hour. Rooms shall have at least one exterior wall which is provided with at least two vents. Each vent shall not be less than 36 square inches (0.023 m2) in area. One vent shall be within 6 inches (152.4 mm) of the floor and one shallbe within 6 inches (152.4 mm) of the ceiling. Containers of medical gases shall be pro- vided with at least one fire sprinkler to provide container cooling in case of fire. 7404.2.1.3 One-hour interior room. When an exterior-wall cannot be provided for the room, automatic sprinklers shall be installed within the room. Ile room shall be exhausted through a-duct to the exterior. Makeup air to the room shall be taken from the exterior. Both separate air streams shall be enclosed in a one-hour-rated shaft enclosure from the room to the exterior. Approved mechanical ventilation shall be in accordance with the Mechanical Code and provided at a mini- mum rate of I cubic foot per minute per square foot (5.1 Li's per m') of the area of the room. 7404.2.1.4 Gas cabinets. Gas cabinets shall be in accordance with the following: 1. Operated at a negative pressure in relation to surrounding area, 2. Provided with self-closing limited-access ports or noncombustibie windows toSive access to equipment controls. The average velocity of ventilation at the face of access ports or windows shaU not be less than 200 feet per minute (61 nVmin.) with a minimum of 150 feet per minute (45.7 m/min.) at any point of the access port or window, 3. Connected to an exhaust system, 4. Provided with a self-closing door. 5. Constructed of not less than 0.097-inch (2.46 Trim) (12 gage) steel, d g an 6. Internally sprinklered. 7404.2-2 Exterior supply locations. Oxidizer medical gas systems located on the exte:rior of-a building with quantities greater than the permit amount shall be located in accordance with Section 8004. 7404.23 Medical gas systems. Medical gas systems including, but not limited to, distribution piping, supply manifolds, connecitions, pressure regulators, and relief devices and valves, shaH be in accordance with U.FC. Standard 74-2 and the general provisions of Article 74. 111 ")VED F ()q FF_ ' ',; T ISSUANCE SCOTT FAZEKA6 & ASSOCIATES, ING DATE awe been iev ewed for a-dherence to the cc-des ard ordinance. Authorization Is inlpd to issje a building permit pending i-,y all applicable City agencies. oance or granflng of a permitt based oin of these plans shall not be construed to or anprove any violation 0'. the applicabla or ordinance. No permit presumed to give iily to violate or cancel the provisions of such q hall be valid.