DEPARTMENT OF ENVIRONMENTAL QUALITY

                    WASTE AND HAZARDOUS MATERIALS DIVISION

              STORAGE AND HANDLING OF LIQUEFIED PETROLEUM GASES


(By authority conferred on the Michigan Department of  Environmental  Quality 
by Section 3c of 1941 PA 207, MCL 29.3c, and Executive  Reorganization  Order 
No. 1998-2, MCL 29.461)


                      PART 1.  GENERAL PROVISIONS

R 29.6001   Applicability.
  Rule 1. These rules apply to the operation of all liquefied  petroleum  gas 
(LP gas) systems.  A person shall comply with these rules,  other  applicable 
state and federal  statutes,  and   rules   and    regulations    promulgated 
under  the statutes.

  History: 2008 AACS.


R 29.6002   Storage and handling of liquefied  petroleum   gases;    adoption 
of standard by reference.
  Rule 2. The  National  Fire  Protection  Association's   (NFPA)    pamphlet 
entitled "NFPA 58 Liquefied Petroleum  Gas  Code  2004  Edition,"  pertaining
 to  the storage and handling, but  not  transportation,  of    LP-gas,    is 
adopted  by reference as part of these rules.  Copies of the   adopted   code 
are  available for inspection and distribution either at the office  of   the 
Department  of Environmental Quality, Waste and Hazardous Materials Division,
 Storage  Tank Unit, P.O. Box 30241, Lansing, Michigan  48909-7741,  or  from 
the National Fire Protection  Association,   Batterymarch    Park,    Quincy, 
Massachusetts  02269, telephone number 800-344-3555.  The cost of  the  code, 
at  the  time  of  the adoption, is $41.00, plus a $7.95 handling charge, per 
copy.

  History: 2008 AACS.


                    PART 2.  AMENDMENTS TO ADOPTED CODE

R 29.6036  Nonapplication of code.
  Rule 36. Section 1.3.2 of the code is amended as follows:
 1.3.2 Nonapplication of code.  This code shall not apply to the following:
  (a) Frozen  ground  containers  and  underground   storage    in    caverns 
including associated piping and appurtenances used for the storage of LP-gas.
  (b) Deleted.
  (c) LP-gas (including refrigerated storage) at utility gas   plants    (see 
NFPA 59, Utility LP-Gas Plant Code.) (d) Deleted.
  (e) LP-gas used with oxygen.
  (f) The portions  of  LP-gas   systems   covered   by   NFPA    54    (ANSI 
Z223.1), "National Fuel Gas Code," where NFPA 54 (ANSI Z223.1)  is   adopted, 
used,  or enforced.
  (g) Transportation by air, including use in hot air  balloons,   or   water 
under the jurisdiction of the  United  States  Department  of  Transportation 
(DOT).
  (h) Marine fire protection.
  (i) Refrigeration cycle equipment and LP-gas  used  as  a  refrigerant   in 
a closed cycle.
  (j) The manufacturing  requirements  for  recreational    vehicle    LP-gas 
systems that are  addressed  by  NFPA  1192,  "Standard    on    Recreational 
Vehicles."  (k) Propane dispensers located at   multiple    fuel    refueling 
stations   shall comply with NFPA  30A,  Code  for  Motor   Fuel   Dispensing 
Facilities  and  Repair Garages.

  History: 2008 AACS.


R 29.6037  Prohibitions.
  Rule 37. Sections 1.8, 1.8.1, 1.8.2, 1.8.3 of the code are added as follows:
1.8 Prohibitions.  Any LP-gas storage container system or  practice  that  is 
not in compliance with these rules shall be considered to be in violation  of 
these rules.
1.8.1 Upon notification by the department, a person shall not deliver  LP-gas 
to  a storage container system under any circumstances that are prohibited by 
these rules or if a  container  is  not  in  compliance  with  these  rules.
 Such notification may include a  verbal,  written  communication,   or    an 
affixed written notification on the LP gas system.
1.8.2 A person shall not tamper  with,  remove,  or  disregard   a    written 
notification affixed to a storage container system.
1.8.3 An owner or operator shall not continue to use  a   storage   container 
system that is causing a release and shall expeditiously empty,  per  chapter 
7,  the system or the component that is causing the release  per   applicable 
sections of chapter 7, until the system is repaired or replaced.

  History: 2008 AACS.


R 29.6038  Notification of installation.
  Rule 38. Sections  1.9,  1.9.1,  1.9.1.1,  1.9.1.2,    1.9.1.3,    1.9.1.4, 
1.9.1.5, 1.9.1.6, 1.9.2, 1.9.2.1 of the code are added as follows:
1.9 Notification of Installation.
1.9.1  An  applicant  shall  submit  an  installation  application  to    the 
department  before  beginning  construction  of  any  new  installation,   or 
additional storage capacity to an existing installation, involving any of the 
following:
  (a) Installations where  individual  storage   capacity    exceeds    2,000 
gallons (7.6 cubic meters) water capacity.
  (b) Installations where the  aggregate  storage  capacity   exceeds   4,000 
gallons (15.2 cubic meters) water capacity.
  (c) A LP-gas container filling location.
1.9.1.1 The installation application required by  section  1.9.1    of    the 
LP-gas  code shall include all of the following information:
a plot map showing all of the following:
  (i) The location of all of the following:
  (A) Buildings.
  (B) Public roadways.
  (C) Railroad mainlines.
  (D) Public sidewalks.
  (E) Overhead electric power lines.
  (ii)The proposed location of the container.
  (iii)The location of adjacent and existing containers.
  (iv)The location of  existing  flammable  and  combustible  liquid  (FL/CL) 
aboveground storage tanks (ASTs).
  (v)The location of the  point  of  transfer  in  relation  to  all  of  the 
following:
  (A) The container.
  (B) Buildings.
  (C) Public ways.
  (D) Outdoor places of public assembly.
  (E) Driveways.
  (F) Mainline railroad track centerlines.
  (G)FL/CL dispensers.
  (H)ASTs and underground storage tanks (USTs).
  (I)The lines of adjoining property that is or may be built upon.
  (J)Drains and utility openings.
  (a)The material of construction.
  (b)The dimension and capacity of each container.
  (c) Conntainer appurtenances.
  (d)A piping diagram showing all of the following:
  (i)Sizes.
  (ii)Valves.
  (iii)Pressure relief devices.
  (iv)Fittings.
  (v)The manufacturer and part number of all components on LP-gas system.
The department may accept materials and equipment if it  is  demonstrated  to 
the department's satisfaction that the proposed material or equipment  is  of 
an equivalent rating or higher.
1.9.1.2 Upon acknowledged receipt of  the  installation    application    the 
department shall issue a plan review report within 30 days.  If a plan review 
report  is not issued within 30 days, then the applicant may  construct   the 
installation according to the submitted installation application  and   shall 
comply  with these rules.
1.9.1.3 The applicant shall notify the department after the plan  review   is 
approved to schedule a preliminary inspection prior  to  site  construction.
 If  the preliminary inspection is not made within 2 working days  then   the 
applicant may commence construction.
1.9.1.4 An applicant shall notify the department  upon  completion   of   the 
installation before the installation is placed into service.  The  department 
shall inspect the  installation  after  receiving  notification   and   shall 
certify   the installation if the requirements of these rules are  met.    If 
the  inspection is not made  within  2  working  days,  then  the   applicant 
may   place   the  installation  into  service,  or  if  intended    to    be 
underground,  mounded,  or partially underground, may cover the  installation
 from  sight.   In  either case, an applicant shall notify   the   department 
and  shall  submit  a  signed affidavit to the department attesting  to   the 
fact  that  the  installation  complies  with  the  installation  application 
submitted and the applicable rules.
1.9.1.5 Upon  request,  the  department   shall   return   all   installation 
applications submitted to the department for review after the department  has 
certified the installation  or  within  30  days  from  notification  of  the 
completion of the installation.
1.9.1.6 If the construction of the storage system is not commenced  within  1 
year after the date  of  the  installation  application  approval,  then  the 
applicant shall resubmit an installation application in accordance with  this 
section.  An applicant shall submit the fees required under the act with  the 
resubmitted application.
1.9.2 Owners and operators shall register any  underground,    mounded,    or 
partially underground LP-gas storage location having a container that has  an 
individual water capacity of  more  than  2,000  gallons,  where  2  or  more 
containers  having an aggregate capacity of more  than  4,000   gallons,   or 
which  is  a  container filling location.  Registration shall be  on  a  form 
provided by the department.
1.9.2.1 A  propane   gas   supplier   shall   maintain   records    of    the 
locations  where underground, mounded, or  partially    underground    LP-gas 
storage  containers other than containers specified in section 1.9.3  of  the 
rules were filled.

  History: 2008 AACS.


R 29.6039  Referenced publications.
  Rule 39. Section 2.3.10 of the code is added as follows:
2.3.10 NACE International Publications.  National  association  of  corrosion 
engineers international, P.O. Box 218340, Houston, Texas 77218.
NACE RP0285,  Corrosion  Control  of  Underground  Storage  Tank  Systems  by 
Cathodic Protection, 2002 edition, $37.00.
NACE RP0169, Control  of  External  Corrosion  of  Underground  or  Submerged 
Metallic Piping Systems, 2002 edition, $42.00.

  History: 2008 AACS.


R 29.6040  Official definitions.
  Rule 40. Sections 3.2.1, 3.2.2, 3.2.3,  3.2.4,  3.2.5  of  the   code   are 
amended, and sections 3.2.3(a) and 3.2.3(b) of the code are added as follows:
3.2.1 "Approved" means acceptable to the department.
3.2.2 "Authority having jurisdiction" means the department.
3.2.3 "Code" means the storage and handling of liquefied petroleum gases.
3.2.3(a) "Department" means the department of environmental quality.
3.2.3(b) "Director" means the director of the department.
3.2.4 "Labeled" means equipment or materials to which  has  been  attached  a 
label,  symbol,  or  other  identifying  mark  of  an  organization  that  is 
acceptable to the department and  concerned  with  product  evaluation,  that 
maintains  periodic  inspection  of  production  of  labeled   equipment   or 
materials, and by whose labeling the manufacturer indicates  compliance  with 
accepted or approved standards of construction and or performance.
3.2.5 "Listed" means equipment, materials, or services  included  in  a  list 
published by an  organization  that  is  acceptable  to  the  department  and 
concerned with evaluation of products or services,  that  maintains  periodic 
inspection of production listed equipment or materials or periodic evaluation 
of services, and whose listing states that either the equipment, material, or 
service meets appropriate designated standards or has been tested  and  found 
suitable for a specified purpose.

  History: 2008 AACS.


R 29.6041  General definitions.
  Rule  41.   Sections   3.3.1(a),    3.3.11(a),    3.3.11(b),     3.3.16(a), 
3.3.16(b), 3.3.16(c), 3.3.16(d), 3.3.47(a) and 3. 3.69(a)  of  the  code  are
 added  as follows:
3.3.1(a) "Aggregate" means total  capacity  of  LP-gas  containers  that  are 
manifolded or grouped together and includes all LP-gas  containers  that  are 
located within 50 feet (15 meters) of each other.
Exception:  Cylinders  waiting  use,  resale,  or  exchange  when  stored  in 
accordance with chapter 8.
3.3.11(a) "Cathodic protection" means a technique to prevent the corrosion of 
a metal surface by making the surface the cathode of an electrochemical cell.
This protection renders a metallic container or piping component   negatively 
charged with respect to its environment.  This protection shall  be  designed 
by a corrosion expert as defined by these rules.
3.3.11(b)  "Cathodic protection tester" means a person who can demonstrate an 
understanding of the principles and  measurements  of  all  common  types  of 
cathodic protection systems applicable to metal piping and container  systems 
and who has education and experience  in  soil  resistivity,  stray  current, 
structure-to-soil potential, and component electrical isolation  measurements 
of metal piping and container systems.  The  person  shall  be  certified  as 
being qualified by the national association  of  corrosion  engineers  (NACE) 
international.
3.3.16(a) "Container filling location" means the  location  where  LP-gas  is 
transferred from a fixed stationary container into cylinders or containers.
3.3.16(b)  "Container system" means the container assembly and piping system.
3.3.16(c) "Corrosion expert" means  a  person  who,  by  reason  of  thorough 
knowledge of the physical sciences and  the  principals  of  engineering  and 
mathematics acquired  by  a  professional  education  and  related  practical 
experience, is qualified to engage in the practice of  corrosion  control  of 
container systems.  The person shall be certificated as  being  qualified  by 
NACE, as a senior corrosion technologist, a cathodic  protection  specialist, 
or a corrosion specialist or be a registered engineer who  has  certification 
and licensing that includes education and experience in corrosion control.
3.3.16(d)  "Corrosion protection" means  protecting  a  container  system  to 
prevent the degradation of the metal through oxidation or reactivity with its 
environment.
3.3.47(a) "NACE" means  the  national  association  of  corrosion  engineers, 
international.
3.3.69(a)  "Temporary  installation"  means  an  installation  of  an  LP-gas 
container, piping, and equipment for  a  definite  period  of  time  that  is 
non-reoccurring and non seasonal use.

  History: 2008 AACS.


R 29.6042  Notification of installations.
  Rule 42. Sections 4.3, 4.3.1, and 4.3.2 of the code are amended as follows:
4.3 Notification of installations.
4.3.1 Stationary installations.  Plans  for  stationary  installations   must 
meet the requirements of section 1.9.
4.3.2  Temporary  installations.   The  department  shall  be  notified    of 
temporary, not to exceed 12 months, installations for container sizes covered 
in section 1.9.  All temporary installations shall meet the following:
  (a) Approval by the department shall  be  required  prior    to    bringing 
the container to the site.  In  reviewing  a  proposed   installation,    the 
condition of the container, the site where the container will   be   located, 
installation and testing procedures,  and  operational  procedures  shall  be 
evaluated  before approval.
  (b) The approval shall  include  a  definite  time  limit    after    which 
the container shall be removed from the site.
  (c) The container shall comply with all applicable provisions of this code.

  History: 2008 AACS.


R 29.6043  Notification of installations.
  Rule 43. Section 4.4 of the code is amended, and sections 4.4.1  and  4.4.2 
of the code are added as follows:
4.4 Qualification of personnel.
4.4.1 Not later than 1 year after  the  date  of  employment,  a  person  who 
transfers LP gas, or whose primary duties fall  within  the  scope  of   this 
code,  shall complete a training program and then receive certification  from 
the  national propane association's employee training  certification  program 
that  includes handling, operating, and certified testing of LP   gas.    The 
employer  shall document that the person  has  received   certified   testing 
training.   Only  an  individual  who  has  received  the  certified  testing 
training specified in  this code is permitted to install or  service  LP  gas 
systems and equipment.
4.4.2 A person who transfers  LP  gas  at  the  dispensing   station    shall 
receive training in accordance with the national propane  gas   association's 
dispenser operator's training manual.  The employer shall document the person
 received the training.

  History: 2008 AACS.


R 29.6044  Containers.
  Rule 44. Subsections 5.2.1.1(c) and 5.2.1.2(d) of  the  code   are    added 
and section 5.2.3.1 is amended as follows:
5.2.1.1(c) Composite cylinders shall be listed.
5.2.1.2(d) DOT 4E specification aluminum cylinders  and  composite  cylinders 
involved in a fire and the cylinders show evidence of fire  damage  then  the 
cylinders shall be permanently removed from service.
5.2.3.1 DOT cylinders in stationary service that are  filled  on  site   and, 
therefore, are not under the jurisdiction of DOT either shall be  requalified 
in accordance with DOT requirements or shall be visually inspected within  12 
years of the date of manufacture and within  every  5  years  thereafter,  in 
accordance   with   subsections   5.2.3.1(a)   through   5.2.3.1(c).     Such 
requalification shall be completed no later than 3 years after the  effective 
date of these rules provided, however, that if after 3 years of the effective 
date of these rules, any DOT stationary cylinder is found to  have  not  been 
requalified, it may be requalified without penalty within 60 days of  written 
notice of its discovery.
  (a) Any cylinder  that   fails   1   or   more   of   the    criteria    in 
subsection 5.2.3.1(c) shall not be refilled or continued in service until the
 condition is corrected.
  (b) Personnel shall be  trained  and  qualified  to  perform  inspections.
Training shall be documented in accordance with section 4.4.
  (c) Visual inspection shall be performed in accordance with the following:
  (i) The cylinder is checked  for  exposure  to  fire,  dents,  cuts,  digs, 
gouges, and corrosion according to CGA C-6, Standard for  Visual   Inspection 
of  Steel Compress Gas Cylinders, except that paragraph  4.2.1.1(1)  of  that
 standard (which requires tare weight verification), shall not be part of the
 required inspection criteria.
  (ii) The cylinder protective collar (where utilized) and the   foot    ring 
are intact and are firmly attached.
  (iii) The cylinder is painted or coated to retard corrosion.
  (iv) The  cylinder   pressure   relief   valve   indicates    no    visible 
damage, corrosion of operating components, or obstructions.
  (v) There is no leakage from the  cylinder  or  its   appurtenances    that 
is detectable without the use of instruments.
  (vi) The cylinder is installed on a  firm  foundation  and  is    not    in 
contact with the soil.
  (vii) A cylinder that passes the visual examination shall  be  marked  with 
the month and year of  the  examination  followed   by   the    letter    "E" 
(example:
10-01E, indicating requalification in October 2001 by the external inspection 
method).
  (viii) The results of the visual  inspection  shall  be  documented  and  a 
record of the inspection shall be retained for a 5-year period.

  History: 2008 AACS.


R 29.6045  Container maximum operating working pressure.
  Rule 45. Section 5.2.4.5 of the code is amended as follows:
5.2.4.5 Cylinders shall be designed and constructed for at least a  240  psig 
(1.6 MPag) maximum allowable working pressure.

  History: 2008 AACS.


R 29.6046  Containers with attached supports.
  Rule 46. Section 5.2.7.2 of the code is amended as follows:
5.2.7.2 Any ASME container over 4,000 gallons  (15.2  cubic   meters)   water 
capacity  or any container at a dispensing site  as  defined    in    section 
3.3.21  shall  be equipped in accordance  with   sections    5.2.7.2(a)    to 
5.2.7.2(d)  and  table 5.7.7.3.
  (a)Steel legs or supports shall  be  either  welded  to  the  container  by
 the manufacturer at the time of fabrication or attached to lugs  that   have 
been welded to the container.
  (b) The legs or supports or the lugs for the attachment of legs or supports 
shall be secured to the container in accordance with the code or rule   under 
which the container was designed and built, using a minimum safety factor  of 
4,  to withstand loading in any direction equal to twice the  weight  of  the
 empty container.
  (c) The attachment of a container to either  a  trailer   or    semitrailer 
running gear, or the  attachments  to  the  unit  can   be   moved    by    a 
conventional over-the-road tractor, shall comply with  the  DOT  requirements 
for cargo  tank service.  The stress  calculations  for  the  design  of  the 
attachment  shall  be based on twice the weight of the empty container.
  (d) The unit shall be approved by the authority having jurisdiction.

  History: 2008 AACS.


R 29.6047  Container marking.
  Rule 47. Subsection 5.2.8.1(c) of the code is added as follows:
5.2.8.1(c) Where the data plate is missing on  an  installation  of  an  ASME 
LP-gas container over 4,000 gallons (15.2 cubic meters)  water  capacity,  in 
use at a particular location.  The department shall  allow  prior  department 
LP-gas inspection reports/facility information sheets to be  adequate  proof, 
subject  to  approval  by  the  department.   Subject  to  approval  by   the 
department, the department shall agree  to  allow  owners  and  operators  to 
stamp, using non-sparking tools, within 12 inches (30.4 centimeters)  of  the 
center of the head, to stamp  into  the  container  all  available  pertinent 
information including:  serial number, gallon water  capacity,  manufacturer, 
or a number issued by the department.

  History: 2008 AACS.


R 29.6048  LP-gas hose.
  Rule 48. Sections 5.3 and 5.3.1 of the code are added as follows:
5.3 LP-gas hose.
5.3.1 The inner tube of any LP-gas hose shall be compatible with LP-gas.

  History: 2008 AACS.


R 29.6049  Pressure relief devices.
  Rule 49. Section 5.7.2.3 and subsection 5.7.2.4(A) of the code are  amended 
as follows:
5.7.2.3 DOT nonrefillable metal containers shall be equipped with a  pressure 
relief device(s) or systems(s) that will prevent propulsion of the  container 
when the container is exposed to fire.   Composite  cylinders  shall  not  be 
equipped with fusible plugs.
5.7.2.4(a) The start-to-leak setting  of  such  pressure  relief  valves,  in 
relation to the maximum allowable operating pressure of the container,  shall 
be in accordance with table 5.7.2.4(a).

  History: 2008 AACS.


R 29.6050  Container connections and appurtenances.
  Rule 50. Section 5.7.7.2, subsection 5.7.7.2(c), and section  5.7.7.4    of 
the code are amended as follows:
5.7.7.2 Any ASME container used for motor vehicle fueling and ASME containers 
over 4,000 gallons (15.2 cubic meters) water capacity shall  be  equipped  in 
accordance with sections 5.7.7.2(A) to 5.7.7.2(G) and table 5.7.7.3.
5.7.7.2 (C) Liquid withdrawal openings in existing  installations  where  the 
container is equipped with an internal valve or internal  excess  flow  valve 
that is not fitted for remote closure and  automatic  shutoff  using  thermal 
(fire) actuation shall be equipped for remote and thermal closure.
5.7.7.4 ASME containers over 4,000 gallons (15.2 cubic meters) water capacity 
shall also be equipped with the following appurtenances:
  (a) An internal spring-type,  flush  type  full  internal,   or    external 
pressure relief valve, and within 10 years of the date of  installation,   or 
within  3 years of the effective date of these rules and  every   10    years 
thereafter, owners and operators of ASME containers shall complete  a  visual 
relief  valve inspection for containers  over  4,000  gallons   (15.2   cubic 
meters)  water capacity  and  any  container  filling  site.   These   visual 
relief   valve inspections shall  include  a  thorough  inspection  including 
removal  of  stacks to remove all foreign matter from  in  and   around   the 
relief  valve.   If  the valve appears to be damaged  or  deteriorated,  then 
the relief valve  shall  be replaced or recertified.   Documentation  of  the 
inspection shall  be  provided to the department during required inspections.
  (b) A fixed maximum liquid level gauge.
  (c) A float gauge, rotary gauge, slip tube gauge, or  a   combination    of 
these gauges.
  (d) A pressure gauge.
  (e) A temperature gauge.

  History: 2008 AACS.


R 29.6051  Container appurtenances protection.
  Rule 51. Section 5.7.11.5 of the code is amended as follows:
5.7.11.5 Container inlet and outlet connections on ASME  containers  of  more 
than  2,000 gallons (7.6 cubic meters) water capacity or any dispensing sites 
as  defined in section 3.3.2.1 shall be labeled to  designate  whether   they 
communicate with the vapor or liquid space.

  History: 2008 AACS.


R 29.6052  Piping (including hose), fittings, and valves.
  Rule 52. Sections 5.8.1.5 and 5.8.1.6 of the code are added as follows:
5.8.1.5 All piping shall be labeled to designate whether  they    communicate 
with  the vapor or liquid space.
5.8.1.6 All steel or wrought iron  piping  shall  be  painted  or   protected 
against corrosion by other means acceptable to the department.

  History: 2008 AACS.


R 29.6053  Hose, quick connectors, hose connections, and flexible connectors.
  Rule 53. Section 5.8.6.1 of the code is amended as follows:
5.8.1.6 Hose, hose  connections,   and   flexible   connectors    shall    be 
fabricated  of materials that are compatible with LP gas both as  liquid  and 
vapor.

  History: 2008 AACS.


R 29.6054  Valves other than container valves.
  Rule 54. Section 5.10.6 of the code is amended as follows:
5.10.6 Valves  in  polyethylene  piping   systems   shall   be   manufactured
  from  thermoplastic  materials  listed  in  ASTM   D     2513     "Standard 
Specification   for  Thermoplastic   Gas   Pressure    Pipe,    Tubing    and 
Fittings"  that  have  been fabricated from materials compatible with  LP-gas 
and comply with ASTM D 2513.
Valves in polyamide piping systems  shall  be  manufactured  from   polyamide 
material as defined in ASTM D 2513.   Metallic  valves  in  polyethylene  and 
polyamide  piping  systems  shall  be  protected  to  minimize  corrosion  in 
accordance with 6.14.

  History: 2008 AACS.


R 29.6055  Equipment.
  Rule 55. Section 5.15.5.2 of the code is amended, and section  5.15.5.3  of 
the Code is added as follows:
5.15.5.2 Vapor meters of the die cast or iron cast type shall be permitted to 
be used at any pressure equal to or less than the maximum  allowable  working 
pressure for which they are designed and marked.
5.15.5.3 Liquid meters shall be installed so that the meter  housing  is  not 
subject  to excessive strain from the connecting piping.  If not provided  in 
the  piping design, flexible connectors that  do  not  exceed  36  inches  (1 
meter) in overall length may be used.

  History: 2008 AACS.


R 29.6056  Other container location requirements.
  Rule 56. Sections 6.4.1, 6.4.5.3, 6.4.5.10, 6.4.7 of the code  are  amended 
as follows:
6.4.1 Where storage containers having an aggregate  water  capacity  of  more
 than 4,000 gallons  (15.1   cubic   meters)   are   located    in    heavily 
populated  or congested areas, the siting provisions  of  section  6.3.1  and 
table  6.3.1  may be modified as indicated by the  fire    safety    analysis 
review  described  in section 6.23.3.
6.4.5.3 The area under containers shall be  graded  or  shall   have    curbs 
installed  so that the flow or accumulation of flammable liquids with   flash 
points  below 200 degrees Fahrenheit, 93.4 degrees Celsius, is prevented.
6.4.5.10 The minimum  separation  between  LP-gas  containers  and  liquefied 
hydrogen containers shall be in accordance with R 29.7001 et seq.
6.4.7 Persons shall not install structures such as  fire    walls,    fences, 
earth  or concrete barriers, and other similar structures  closer   than   10 
feet  (3.1 meters) adjacent to, or  over  nonrefrigerated  containers.    All 
structures installed around containers and container filling locations  shall
 have  not less than 6 inches (15.2 centimeters)  of  unobstructed  clearance
 from  the surface grade or floor to the bottom of the  structure.    Persons 
may  install structural supports less than 6  inches    (15.2    centimeters) 
above  grade  or floor which are designed to maintain adequate ventilation in 
accordance  with  section  10.2.2.   Means  of  egress   shall    meet    the 
requirements  in  section 6.16.5 of this code.  Structures  shall   not    be 
permitted  around   or   over  installed  nonrefrigerated  containers  unless 
specifically allowed as follows:
  (a) Structures partially  enclosing  containers  shall  be   permitted   if 
designed  in accordance with a sound fire protection analysis.
  (b)  Structures  used  to  prevent  flammable   or   combustible     liquid 
accumulation  or flow shall be permitted in accordance with section 6.4.5.3.
  (c) Structures between LP-gas containers and  gaseous  hydrogen  containers 
shall be permitted in accordance with section 6.4.5.9.
  (d) Structures such as fences shall  be  permitted  in   accordance    with 
section 6.16.5.

  History: 2008 AACS.


R 29.6057  Location of transfer operations.
  Rule 57. Section 6.5.1.3 of the code is deleted, and table 6.5.3   of   the 
code is amended by adding part L, as follows:
6.5.1.3 Deleted.
Table 6.5.3 Add (L) - The minimal horizontal distance between  the  point  of 
transfer and utility system openings shall  be  not  less  than  15  feet  (5 
meters).

  History: 2008 AACS.


R 29.6058  Installation of containers.
  Rule 58. Section 6.6.1.7 of the code is added as follows:
6.6.1.7 Guard posts or other approved means shall be provided  to  protect  a 
container  system  subject  to  vehicular  damage.   When  guard  posts   are 
installed, all of the following design shall be used:
  (a) Guard posts shall be constructed of schedule 40 steel pipe   not   less 
than 4 inches (10 centimeters) in diameter and shall be filled with concrete.
  (b) Guard posts shall be spaced not more than 5 feet (1.6 meters) on center.
  (c) Guard posts shall be set not less  than  3  feet  (1  meter)  deep   in 
a concrete footing that is not  less  than  10  inches  (25  centimeters)  in 
diameter and not less than 40 inches (1.1 meter) below grade.
  (d) Guard posts shall be not less than 4 feet (1.3  meters)    in    height 
above grade.
  (e) Other means as approved by the department based on the  best  interests 
of public health, safety, and welfare and the environment.

  History: 2008 AACS.


R 29.6059  Installation of underground and mounded containers.
  Rule 59. Section 6.6.6.1 of the code is amended, subsection  6.6.6.1(G)  of 
the code is amended, subsection 6.6.6.1(M) of the  code   is    added,    and 
section 6.6.6.4 is added, as follows:
6.6.6.1  ASME  container  assemblies  listed  for  underground  installation, 
including interchangeable aboveground-underground container assemblies, shall 
be installed underground in accordance with 6.6.6.1(A) to 6.6.6.1(M).
6.6.6.1(G) Buried LP-gas containers no longer in service  for  more  than  12 
months shall be removed from the ground.  If building structures exist  above 
or in close proximity to the container such that removal would jeopardize the 
building structure integrity, then  the  owner  or  operator  may  close  the 
container in place.  To close the container in place, the container shall  be 
emptied, cleaned, purged of all  vapors,  and  filled  with  an  inert  solid 
material.  Where a container is to be  abandoned  underground  the  following 
shall be followed:
  (a) As much liquid  LP-gas  as  practical  shall  be  removed  through  the 
container liquid withdrawal connection.
  (b) As much of the remaining LP-gas   vapor   as   practical    shall    be 
removed through a vapor connection.
  (c) The  vapor  shall  either  be  recovered,  burned,  or  vented  to  the 
atmosphere.
  (d) If purged, the displaced vapor shall  be  either   recovered,   burned, 
or vented to the atmosphere.
6.6.6.1(M) Piping permanently  removed  from  service  shall  be  purged  and 
capped, or removed from the ground.
6.6.6.4 An owner and operator  shall  ensure  that  container   systems   are 
properly designed and constructed in accordance  with  ASME  and   that   any 
portion  which is underground, mounded, or partially underground is protected 
from corrosion as follows:
  (a)The ASME approved container system  is  cathodically  protected  in  the 
following manner:
  (i)The American society  of  mechanical  engineers    approved    container 
system  is coated with a suitable dielectric material.
  (ii) Factory-installed or field-installed cathodic protection  systems  are 
designed by a corrosion  expert  in  accordance  with  the  NACE  recommended 
practice RP0285 entitled  "Corrosion  Control  of  Underground  Storage  Tank 
Systems  by  Cathodic Protection," or equivalent protection.
  (iii) Impressed current systems are designed to allow a  determination   of 
current operating status as required in section 6.14 of this code.
  (iv)  Cathodic  protection  systems  are  operated   and   maintained    in 
accordance  with the  provisions  of  section  6.25   of   this    code    or 
according  to  procedures acceptable to the department.
  (b)The container is made of nonmetallic construction such   as   fiberglass 
or  a composite (steel with fiberglass).

  History: 2008 AACS.


R 29.6060  Installation of containers on roofs of buildings.
  Rule 60. Section 6.6.7 of the code is deleted in its entirety.
6.6.7 Deleted.
6.6.7.1 Deleted.
6.6.7.2 Deleted.

  History: 2008 AACS.


R 29.6061  Piping system service limitations.
  Rule 61. Subsection 6.8.1.1(2) of the code is amended as follows:
6.8.1.1(2) Outdoor LP-gas liquid or vapor polyamide piping systems shall have 
pressure limitations as defined by the maximum allowable working pressure  of 
the piping being installed.

  History: 2008 AACS.


R 29.6062  Installation of metallic pipe, tubing, and fittings.
  Rule 62. Section 6.8.3.3 and subsection 6.8.3.5(2) of the code are  amended 
as follows:
6.8.3.3 Metallic piping shall comply with the following:
  (a) Piping used at pressures higher than the container pressure,  such   as 
on  the discharge side of liquid transfer pumps, shall  be  designed  for   a 
maximum allowable working pressure of at least 350 psig (2.4 MPag).
  (b) Vapor LP-gas piping with operating pressures in excess of 125 psig (0.9 
MPag) and liquid piping not covered by section 6.8.3.3(1) shall  be  designed 
for  a maximum allowable working pressure of at least 250 psig (1.7 MPag).
  (c) Vapor LP-gas piping subject to pressures of not more than 125 psig (0.9 
MPag) shall be designed for a maximum allowable  working  pressure   of    at 
least  125 psig (0.9 MPag).
6.8.3.5(2) Fittings and flanges shall be designed  for  a  maximum  allowable 
working pressure equal to or greater  than  the  required  maximum  allowable 
working pressure of the service for which they are used.

  History: 2008 AACS.


R 29.6063  Valves in polyamide and polyethylene piping systems.
  Rule 63. Section 6.8.5.3 of the code is amended as follows:
6.8.5.3  Valves  shall  be  manufactured   from    thermoplastic    materials 
fabricated  from materials listed in ASTM D 2513,  "Standard    Specification 
for  Thermoplastic Gas Pressure Pipe, Tubing, and  Fittings,"    that    have 
been  fabricated  from materials compatible with LP  gas,  or   from   metals 
protected  to  minimize corrosion in accordance with section 6.14.

  History: 2008 AACS.


R 29.6064  Emergency shutoff valves.
  Rule 64. Section 6.10.8.1 of the code is added as follows:
Owners and operators may satisfy the  requirements  of  sections  6.10.6  and 
6.10.7 of this code by using concrete or steel  bulkheads  or  an  equivalent 
anchorage installed at a minimum  of  10  feet  (3.1  m)  from  each  storage 
container.  Owners and operators shall  ensure  that  fixed  piping  is  used 
between the bulkhead and each storage  container,  and  that  the  piping  is 
attached to, and passes through, the bulkhead.

  History: 2008 AACS.


R 29.6065  Corrosion protection.
  Rule 65. Section 6.14.1 of the code is amended as follows:
6.14.1 Owners and operators  shall  ensure  that  all   metallic    container 
systems  that are  underground,  mounded,  or  partially   underground    are 
protected   and maintained to minimize  corrosion  as  cited  in   the   NACE 
standard   RP0169  entitled  "Recommended  Practice,  Control   of   External 
Corrosion of  Underground or Submerged Metallic  Piping  Systems,"  and  NACE 
recommended  practice  RP0285  entitled  "Corrosion  Control  of  Underground 
Storage Tank Systems  by  Cathodic Protection," or   equivalent    protection 
approved  by  the  department.   The requirements of this rule do  not  apply 
to the copper piping attached  to  tanks  used  exclusively  for  residential 
heating systems.
  (a)  All   corrosion   protection   systems   shall   be    operated    and 
maintained  to continuously provide corrosion  protection  to    the    metal 
components  of  the portion of  the  ASME  approved  container  systems  that 
routinely contains LP-gas and that is in contact with the ground.
  (b) All container systems equipped with   cathodic    protection    systems 
shall  be inspected for proper operation by a qualified cathodic   protection 
tester.
The system shall be tested within 6 months of installation and at least  once 
every 3 years thereafter  or  according  to  another  reasonable  time  frame 
established by the department.
  (c) Container systems equipped with impressed current  cathodic  protection 
systems shall be inspected by the owner every 60  days  to  ensure  that  the 
equipment is running properly.
  (d) If container systems are equipped with cathodic  protection,  then  the 
owner or operator shall maintain records to demonstrate that  the    cathodic 
protection is in compliance with the performance standards in this section.
The records shall provide both of the following:
  (i) The results of the last 3 inspections required in subsection   (c)   of 
this section.
  (ii) The  results  of  testing  from  the  last  2   inspections   required 
in subsection (b) of this section.
  (e) Within 6 months following the repair of  any   cathodically   protected 
container system, the cathodic  protection  system  shall  be    tested    in 
accordance  with subsections (b) and (c) of this  section  to   ensure   that 
it  is  operating properly.

  History: 2008 AACS.


R 29.6066  Pump installation.
  Rule 66. Subsection 6.15.2.3(B)(2) of the code is amended as follows:
6.15.2.3(B)(2) Operate at a pressure 50 psig (345 kPag) above  the  operating 
pressure where the maximum allowable working pressure exceeds 350  psig  (2.4 
MPag).

  History: 2008 AACS.


R 29.6067  Security and protection against tampering  for  section  6.16  and 
section 6.22 systems.
  Rule 67. Subsections 6.16.5.2(A) and 6.16.5.2(E) of the code  are  amended, 
and section 6.16.5.3 of the code is deleted, as follows:
6.16.5.2(A) There shall be at least 2 means  of  emergency  egress  from  the 
enclosure located at opposite sides  of  the  enclosure  unless  any  of  the 
following is met:
  (i) The fenced or otherwise enclosed area is not over 100 square  feet   (9 
square meters).
  (ii) The point of transfer is within 3 feet (1 meter) of the gate.
  (iii) Containers are not filled within the enclosure.
Exception: Two means of emergency egress is not required if  the  fencing  is 
not less than 50 feet from any side of the container or piping.
6.16.5.2(E) Fencing shall not be required where devices that can be locked in 
place are provided that prevents unauthorized operation of valves, equipment, 
and appurtenances.  Only valves,  equipment,  and  appurtenances  that  could 
release product need be locked.
6.16.5.3 Deleted.

  History: 2008 AACS.


R 29.6068   Additional  equipment  requirements  for  cylinders,   equipment, 
piping, and appliances  used  in  buildings,  building  roofs,  and  exterior 
balconies.
  Rule 68. Subsection 6.17.2.6(1) of the code is amended as follows:
6.17.2.6(1) Hose used at pressures above 5 psig (34 kPag) shall  be  designed 
for a maximum allowable working pressure of at least 350 psig (2.4 MPag).

  History: 2008 AACS.


R 29.6069  Cylinders on roofs or exterior balconies.
  Rule 69. Section 6.17.11 of the code is deleted in its entirety as follows:
6.17.11  Deleted.

  History: 2008 AACS.


R 29.6070  Container installation requirements.
  Rule 70. Subsection 6.21.3.1(B) of the code is amended as follows:
6.21.3.1(B) Cylinders installed on recreational vehicles or on other vehicles 
shall be constructed for at least a 240 psig  (1.6  MPag)  maximum  allowable 
working pressure.

  History: 2008 AACS.


R 29.6071   Vehicle  fuel  dispenser  and   dispensing   stations.    General 
installation provisions.
  Rule 71. Section 6.22.3.3 of the code is amended as follows:
6.22.3.3. A LP-gas installation shall be permitted under a  weather   shelter 
or  canopy, constructed of non-combustible material, properly  ventilated  in
 accordance with this code and not more than 50% of the perimeter enclosed.
A stationary storage container shall  not  be  located  under   the   weather 
shelter  or  canopy except where the distance between the top of the  storage 
container  and  the lowest part of the weather shelter or canopy is not  less 
than  8  feet  (2.4 meters).  The top of any  required  vent   stack    shall 
terminate  above  the weather shelter or canopy.

  History: 2008 AACS.


R 29.6072  Protection of ASME containers.
  Rule 72. Sections 6.23.3.1, 6.23.3.2,  and  6.23.3.7  of  the   code    are 
amended, and section 6.23.3.3 of the code is deleted, as follows:
6.23.3.1 Fire protection  shall  be  provided  for  installations   with   an 
aggregate  water capacity of more than 4,000 gallons (15.1 cubic meters).
6.23.3.2 The modes of fire protection shall be specified in a written product
 release prevention and fire safety analysis.
6.23.3.3 Deleted.
6.23.3.7 If in the preparation of the fire safety analysis it  is  determined
 that  a hazard to adjacent structures exists that  exceed   the   protection 
provided  by the provisions  of  this  code,  special  protection  shall   be 
provided  in accordance with section 6.23.5.

  History: 2008 AACS.


R 29.6073  Spacing requirements.
  Rule 73. Section 6.24.2.3 of the code is amended as follows:
6.24.2.3 No part of a mounded or an underground ASME container shall be  less 
than  10 feet (3 m) from a building or line of adjoining property  that   can 
be  built upon.

  History: 2008 AACS.


R 29.6074  Transfer personnel.
  Rule 74. Section 7.2.1.4 of the code is added as follows:
7.2.1.4 A container filling location that is not open to the public does  not 
require an attendant or supervisor.  Such private  locations  may  include  a 
card or key  controlled  dispensing  device.   The  person   performing   the 
transfer  shall  be capable of performing the functions and shall assume  the
 responsibility  as prescribed in section 4.4 of this code and in  accordance 
with  section  7.4.2 of this code.  Operating  instructions  for   performing 
the  transfer  on  a legible sign in the immediate vicinity of the  point  of 
transfer.

  History: 2008 AACS.


R 29.6075  Filling and evacuating containers.
  Rule 75. Sections 7.2.2.1, and 7.2.2.10(2)  of  the  code   are    amended, 
and subsections 7.2.2.5.1(a) and 7.2.2.5.1(b)  of  the  code  are  added,  as 
follows:
7.2.2.1 The transfer of LP-gas out of or into a stationary  container   shall 
only  be accomplished with authorization from the stationary container owner, 
and  the transfer shall only be conducted  by  qualified   persons    trained 
in  proper handling and operating  procedures  in   accordance    with    the 
provisions  of Section 4.4 of these  rules.   The  person   conducting    the 
transfer  of  LP-gas shall also notify the  owner  of   the    container    2 
working  days  before  the transfer.
7.2.2.5.1(a) Owners and operators shall post the following  legible  wording, 
with letters not less than 3 inches (7.5 centimeters) in height and in  plain 
view at a container filling location.
No Smoking - No Open Flames
  (b) Owner and  operators  shall  post  the  following   legible    wording, 
with  letters not less than 1/4 inch (1/2 centimeters)  in height:
Warning: Filling the following types of cylinders is prohibited and violators 
are subject to civil and criminal penalties:
  (i) Cylinders not approved for LP-gas.
  (ii) Cylinders  more  than  12  years  old  that  have  not  been  properly 
recertified.
  (iii)  Cylinders  which  are  damaged,  burned,  or  which,  after   visual 
inspection, appear unsafe.
  (iv) Cylinders that are not equipped with a collar  or  cap   to    protect 
the valves while in transit.
7.2.2.10(2) The maximum allowable working pressure for ASME containers  shall 
be at least in accordance with table 5.2.4.2.

  History: 2008 AACS.


R 29.6076  Arrangement and operation of transfer systems.
  Rule 76. Subsections 7.2.3.2(F) and 7.2.3.2(G)  of  the  code   are   added 
as follows:
7.2.3.2(F) Signage shall be posted stating "No Smoking  Within  25  Feet"  on 
both sides of the container.
7.2.3.2(G) Signage shall be posted stating "Flammable Gas" on both  sides  of 
the container.

  History: 2008 AACS.


R 29.6077  Purging.
  Rule 77. Section 7.3.2.1 of the code is amended,  and   sections    7.3.2.5 
and 7.3.2.5.1 of the code are added, as follows:
7.3.2.1 Venting of gas from containers for  purging  or  for  other  purposes 
shall be accomplished in accordance with sections 7.3.2.2 to 7.3.2.5.1.
7.3.2.5 Venting of containers and burning of LP-gas in containers  shall   be 
allowed only when  the  activity  is  attended  and  carefully  monitored  so 
adjustments can be made if conditions change.
7.3.2.5.1 If container is to remain open after purging, all odorant shall  be 
removed.

  History: 2008 AACS.


R 29.6078  General provisions for the volumetric method of filling containers.
  Rule 78. Subsection 7.4.3.2(A) of the code is amended as follows:
7.4.3.2(A) If a fixed maximum liquid level gauge or a variable  liquid  level 
gauge without liquid volume temperature correction is used, the liquid  level 
indicated by these gauges shall be computed based on  the  maximum  permitted 
filling limit when the liquid is at 40 degrees Fahrenheit (4 degrees Celsius) 
for aboveground containers, 50 degrees Fahrenheit (10  degrees  Celsius)  for 
underground containers, or -10 degrees Fahrenheit ( 23 degrees  Celsius)  for 
composite cylinders.

  History: 2008 AACS.


R 29.6079  Location of storage outside of buildings.
  Rule 79. Section 8.4.1.1 of the code is amended as follows:
8.4.1.1 Storage outside of buildings for cylinders awaiting use,  resale,  or 
part of a cylinder exchange point shall be located as follows:
  (a) At least 10 feet (3 meters) from  any  doorway  or   opening    in    a 
building frequented by the public where occupants have at least  2  means  of 
egress.
  (b) At least 10 feet (3 meters) from any doorway or opening in  a  building 
or sections of a building that has only 1 means of egress.
  (c) At least 20 feet (6.1 meters) from any automobile    service    station 
fuel dispenser.

  History: 2008 AACS.


R 29.6080  Transportation of portable containers of more  than  1,000  pounds 
(454 kilograms) water capacity.
  Rule 80. Section 9.3.3.2 of the code is amended as follows:
9.3.3.2 Portable containers shall be constructed in accordance  with  section 
5.7  and equipped in accordance with section 5.2  for  portable    use    and 
shall  comply with DOT portable tank specifications for LP-gas service.

  History: 2008 AACS.


R 29.6081  Painting and marking cargo tank vehicles.
  Rule 81. Section 9.4.6.1 of the code is amended as follows:
9.4.6.1 Painting of cargo tank vehicles shall comply with Title 49,  Code  of 
Federal Regulations, "Transportation", as adopted  by  reference  in  section 
2.3.9.

  History: 2008 AACS.


R 29.6082  Buildings or structures housing LP-gas distribution facilities.
  Rule 82. Sections 10.4 and 10.4.1 of the code are added as follows:
10.4 Electrical equipment.
10.4.1 All electrical equipment and wiring installed in a building or room in 
the scope of this chapter shall comply with sections 6.20.2.1 and 6.20.2.2.

  History: 2008 AACS.


R 29.6083  Engine fuel systems.  Scope.
  Rule 83. Section 11.1.2.1 of the code is amended as follows:
11.1.2.1 General purpose  vehicle  engines  fueled  by   LP-gas.     Vehicles 
complying  with the federal motor vehicle  safety  standards   covering   the 
installation  of LP-gas fuel systems on vehicles and certified by the vehicle 
manufacturer  as meeting the standards need not comply  with  chapter  11  of 
this code except for section 11.11.

  History: 2008 AACS.


R 29.6084  Container design.
  Rule 84. Sections 11.3.1.1, 11.3.1.3, 11.3.1.4, 11.3.1.5, and  11.3.1.6  of 
the code are amended, section 11.3.1.2 of  the   code   is    deleted,    and 
sections 11.3.1.7, and 11.3.1.8 of the code are added, as follows:
11.3.1.1.Containers shall be designed, fabricated,  tested,  and  marked  (or 
stamped)  in accordance with the regulations of the DOT, the   ASME   "Boiler 
and  Pressure Vessel Code," Section VII, "Rules for  the   Construction    of 
Unfired  Pressure Vessels" or the API  ASME  "Code  for   Unfired    Pressure 
Vessels  for  Petroleum Liquids and Gases," except for UG-125 through UG-136.
11.3.1.2 Deleted.
11.3.1.3 Containers fabricated to earlier editions of   regulations,   rules, 
or  codes listed in  section  5.2.1.1  and  of  the    interstate    commerce 
commission  (ICC) "Rules for Construction of Unfired Pressure Vessels," prior 
to April 1, 1967, shall be permitted to be used in  accordance  with  section 
1.4.
11.3.1.4 Containers that have been involved in a fire and show no  distortion 
shall  be requalified for continued service before being used or reinstalled.
  (1) Cylinders shall be requalified  by  a  manufacturer  of  that  type  of 
cylinder  or by a repair facility approved by DOT.
  (2) ASME or API-ASME containers shall be  retested  using  the  hydrostatic
 test procedure applicable at the time of the original fabrication.
  (3) All container appurtenances shall be replaced.
  (4)  DOT  4E  specification  aluminum  cylinders  and  composite  cylinders 
involved in a fire, and the cylinders show evidence of  fire   damage,   then 
the  cylinders shall be permanently removed from service.
11.3.1.5 A cylinder with an  expired  requalification  date  shall   not   be 
refilled   until  it  is  requalified  by  the  methods  prescribed  in   DOT 
regulations.
11.3.1.6 Cylinders shall be designed and constructed for at  least  240  psig 
(1.6  MPag) service pressure.
11.3.1.7 Cylinders shall  be  continued  in  service  and   transported    in 
accordance  with DOT regulations.
11.3.1.8 Engine  fuel  containers   shall   be   either    the    permanently 
installed   or exchangeable type.

  History: 2008 AACS.


R 29.6085  Container design pressure.
  Rule 85. Section 11.3.2 of the code is amended adding  sections    11.3.2.1 
and 11.3.2.2 as follows:
11.3.2 Container maximum allowable working pressure.
11.3.2.1 ASME engine fuel and mobile  containers  shall  have  the  following
 maximum allowable working pressure:
  (1) 250 psig (1.7 MPag) or 312 psig  (2.2   MPag)   where    required    if 
constructed prior to April 1, 2001.
  (2) 312 psig (2.2MPag) if constructed on or after April 1, 2001.
11.3.2.2 ASME containers installed as in enclosed spaces on   vehicles    and 
all  engine fuel  containers  for  vehicles,   industrial    trucks,    buses 
(including  school buses), recreational vehicles, and multipurpose  passenger 
vehicles  shall  be constructed with a design pressure of at least  312  psig 
(2.2 MPag).

  History: 2008 AACS.


R 29.6086  Container corrosion protection.
  Rule 86. Section 11.3.7 of the code is amended as follows:
11.3.7 Container corrosion protection.  Engine fuel containers constructed of 
steel shall be painted to minimize corrosion.

  History: 2008 AACS.


R 29.6087  General requirements for appurtenances.
  Rule  87.  Subsection  11.4.1.7(B)  and   sections   11.4.1.2,    11.4.1.9, 
and 11.4.1.13 of the code are amended, as follows:
11.4.1.2 Container appurtenances subject to pressures in excess of  125  psig 
(0.9 MPag) shall be rated for a pressure of at least 250 psig (1.7 MPag).
11.4.1.7(B) The start-to-leak setting of such  pressure  relief  valve,  with 
relation to the maximum allowable working pressure of the container, shall be 
in accordance with table 5.7.2.4(A).
11.4.1.9 Pressure relief valves shall be marked with the following:
  (a) The pressure in psig (kPag) at which the valve is set to start to leak.
  (b) The rated relieving capacity in cubic feet per minute of air   at    60 
degrees
  (c) Fahrenheit (15.6 degrees Celsius) and 14.7 psia (101 kPa).
The manufacturer's name and catalog number.
11.4.1.13 ASME containers fabricated after January 1, 1984, for use as engine 
fuel containers on vehicles shall be equipped or fitted with  an  overfilling 
prevention device.

  History: 2008 AACS.


R 29.6088  Carburetion equipment.
  Rule 88. Section 11.5.1 of the code is amended as follows:
11.5.1 Pressure.  Carburetion equipment subject to pressure in   excess    of 
125  psig (0.9 MPag) shall be designed for a pressure of 250 psig (1.7  MPag) 
or for the maximum allowable working  pressure  of  the  container  when  the 
design  pressure of the container is greater than 250 psig (1.7MPag).

  History: 2008 AACS.


R 29.6089  Vaporizers.
  Rule 89. Sections 11.5.2.3 and 11.5.2.4 of the code are amended as follows:
11.5.2.3 Vaporizers subjected to container pressure  shall  have  a  pressure 
rating of 250 psig (1.7 MPag) or the maximum allowable  working  pressure  of 
the container when the design pressure of the container is greater  than  250 
psig (1.7 MPag).
11.5.2.4 Vaporizers shall  be  marked  with  the  maximum  allowable  working 
pressure of the fuel containing portion in psig (MPag).  The marking shall be 
visible when the vaporizer is installed.

  History: 2008 AACS.


R 29.6090  Fittings.
  Rule 90. Sections 11.6.2.1, 11.6.2.2, 11.6.2.3, 11.6.2.4, and  11.6.2.5  of 
the code are amended, section 11.6.2.6 of the  code  is  deleted,  and  table 
11.6.2.2 of the code is added as follows:
11.6.2.1 Fittings shall be steel, brass, copper, malleable iron,  or  ductile 
(nodular) iron.
11.6.2.2 Pipe fittings shall have a minimum pressure rating as  specified  in 
table 11.6.2.2 and shall comply with the following:
  (a) Cast-iron pipe fittings shall not be used.
  (b) Brazing filler material shall have a melting   point    that    exceeds 
1,000 degrees Fahrenheit (538 degrees Celsius).

Table 11.6.2.2 Service Pressure Rating of Pipe, Tubing, Fittings, and Valves


 

  

  

 Service
  
  

  
Minimum 
Pressure
  
 
 

  

  
Higher than container pressure
  
  

  
350 psig (2.4 MPag), or
  the MAWP, whichever is higher, or  400  psig  (2.8 
 MPag)
  water/oil/gas  rating
 
  
 
 

  

  
LP-gas liquid, or vapor at operating Pressure over
  125 psig (0.9 MPag) and at or below container
  pressure
  
  

  
250 psig (1.7 MPag)
 
  
 
 

  

  
LP-gas   vapor   at   operating    pressure    of 
125 psig
  (0.9 MPag) or less
  
  

  
125 psig (0.9 MPag)
 
  
 
 

11.6.2.3 Metal tube fittings shall have a  minimum   pressure    rating    as 
specified  in Table 11.6.2.2.
11.6.2.4 Fittings used with liquid LP-gas  or  with  the  vapor   LP-gas   at 
operating pressures over 125 psig (0.9 MPag) shall be designed for a pressure 
rating of at least 250 psig (1.7 MPag)  or  the  maximum  allowable  pressure 
rating of  the container, whichever is greater.
11.6.2.5 Fittings for use with vapor LP-gas at pressures in excess of 5  psig 
(34.5 kPag) and not in excess of 125 psig (0.9 MPag) shall be designed for  a 
maximum allowable working pressure of 125 psig (0.9 MPag).
11.6.2.6 Deleted.

  History: 2008 AACS.


R 29.6091  Hose, hose connections, and flexible connectors.
  Rule 91. Sections 11.6.3.1, 11.6.3.5, and 11.6.3.7 of the code are  amended 
as follows:
11.6.3.1 Hose, hose  connections,  and  flexible  hose  connectors  used  for 
conveying LP-gas liquid or vapor at pressures in excess of 5 psig (34.5 kPag) 
shall be fabricated of materials compatible with LP-gas both  as  liquid  and 
vapor and the hose  and  flexible  hose  connector  shall  be  of  reinforced 
construction.
11.6.3.5 Hose assemblies after the application of the  connections  shall  be 
capable  of withstanding a pressure of not less than 700 psig (4.8 MPag).  If 
a  test  is performed, such assemblies shall be leak  tested   at   pressures 
between  the operating and 120% of the pressure rating.
11.6.3.7 Hose in excess of 5 psig (34.5 kPag) service pressure   and    quick 
connectors shall be listed or approved.

  History: 2008 AACS.


R 29.6092  Container design temperature and pressure.
  Rule 92. Sections 12.1.2.1 and 12.1.2.2 of  the  code  are   deleted,   and 
section 12.1.2.3 of the code is amended, as follows:
12.1.2.1 Deleted.
12.1.2.2 Deleted.
12.1.2.3 The design of  the  ASME  containers  shall  include  a  minimum  5% 
increase in  the absolute vapor pressure of the LP-gas at the design  storage 
temperature.  The margin (both positive  and  vacuum)  for  low-pressure  API 
standard 620,   "Design  and  Construction  of  Large,  Welded,  Low-Pressure 
Storage Tanks," vessels shall include the following:
  (a) The control range of the boil-off handling system.
  (b) The effects of flash or vapor collapse during filling operations.
  (c) The flash that can result from withdrawal pump recirculation.
  (d) The normal range of barometric pressure changes.

  History: 2008 AACS.


R 29.6093  Marking on refrigerated LP-gas containers.
  Rule 93. Section 12.2.1 of the code is amended as follows:
12.2.1  Each  refrigerated  LP-gas  container  shall  be  identified  by  the 
attachment of a name plate located either on the container or  in  a  visible 
location.

  History: 2008 AACS.


R 29.6094  Piping.
  Rule 94. Section 12.3.3.4 of the code is amended as follows:
12.3.3.4 Gaskets used to retain LP-gas in containers shall be fabricated with 
materials compatible with LP-gas.

  History: 2008 AACS.


R 29.6095  Refrigerated LP-gas container impoundment.
  Rule 95. Section 12.5.7 of the code is deleted as follows:
12.5.7 Deleted.

  History: 2008 AACS.


R 29.6096  Operations and maintenance.
  Rule 96. Sections 14.1.1 and 14.1.2 of the code are added as follows:
14.1.1 Multiple containers in  vapor  service  only,  with  individual  water 
capacity not exceeding 1,200 gallons (4.54 cubic meters) water capacity  with 
an  aggregate of 6,000 gallons (22.7 cubic meters) shall not require  written 
operation  or maintenance procedures where they are not manifolded together.
14.1.2 Industrial and some other installations with  a  capacity  of   10,000 
pounds (2,250 gwc) or more may be required  by  United  States  Environmental 
Protection Agency regulations to have an operation and maintenance manual.

  History: 2008 AACS.


R 29.6097  Small LP-gas systems (SLGS).
  Rule 97. Sections 14.4.1,  14.4.2,  14.4.3,   14.4.4,    14.4.5,    14.4.6, 
14.4.7, 14.4.8, 14.4.9, 14.4.10, 14.4.11, 14.4.12, and 14.4.13  of  the  code 
are  added as follows:
14.4.1 Application.
14.4.1.1 A SLGS shall be a system with 99  or  fewer  users  connected  to  a 
single  supply source, except for the following:
  (a) A system with 9 or fewer users where no part of the system is   located 
in  a public place.
  (b) A system supplying 1 user where the system is located entirely on   the 
users premises.
14.4.1.2 Each meter or regulator outlet connected  to  a  consumer   of   gas 
shall  be considered a user.
14.4.2 Registration.
14.4.2.1 Each SLGS shall register as follows:
  (a) The DOT pipeline and hazardous materials safety administration (PHMSA).
  (b) An installation that meets the requirements of section 1.9.
14.4.2.2 Each SLGS shall  identify  the  entity  which  controls,   operates, 
repairs, modifies, or installs the system.
14.4.3 Damage prevention.  Each  SLGS  shall  maintain  a  damage  prevention 
program to minimize damage to underground portions of the system.
14.4.3.1  Each  SLGS  shall  register  and  participate  in   a   one    call 
notification  center located in the geographical area of the system location.
14.4.4 Incident reporting.
14.4.4.1 Incidents shall be reported, to the PHMSA, that involve 1 or more of 
the following:
  (a) The release of gas from the SLGS where death(s)  occurs   or   personal 
injury resulting in-patient hospitalization occurs.
  (b) The estimated property damage, including the cost  of  gas   or    both 
exceeds $50,000.00 14.4.4.2 Incident reports shall contain an    analysis of  
  the cause  of  the accident, repairs made and other significant factors.
14.4.5 SGLS piping system service limitations.  Pressure limits shall  be  in 
accordance with section 6.8.
14.4.6 Odorization.  Each delivery to a SLGS  shall  be  tested    for    the 
presence  of odorization in accordance with section 4.2.3.   The  results  of 
the tests shall be documented.
14.4.7 Construction records, maps and operating history.  Each   SLGS   shall 
provide construction records, maps, equipment and operating  history  of  the 
system and make them available to operating personnel and to the PHMSA.
14.4.8 Key valve maintenance.  Key valves that are used to  shut   down   the 
system  or parts of the system, in case of emergency  shall   be   maintained 
annually,  and the maintenance shall be documented.  Key valves  include  the 
container valves and any additional valves that can be shut off.
14.4.9 Leak testing.
14.4.9.1 Each SLGS shall be  tested  prior  to  startup  in  accordance  with 
section 6.12.
14.4.9.2 Each lateral service line that has been disconnected from  the  main 
shall  be pressure tested in accordance with section 6.12 before  placing  it
 back  in service.
14.4.10 Response to gas leak reports and interruption of gas  service.   Each
 system shall have a written procedure  for  response  to  reports   of   gas 
leakage.   All employees who respond to gas leakage calls shall be trained in 
the procedure.
14.4.11 Operator qualification and covered tasks.
14.4.11.1 Each SLGS shall have a written procedure for  training    operators 
in  covered tasks, which meet the requirements of section 4.4.
14.4.12 Leak surveys.
14.4.12.1 SLGS leak surveys shall be performed either as necessary or  at   a 
minimum  of every 5 years.
14.4.12.2 SLGS leak surveys performed using gas detection   equipment   shall 
include  a subsurface survey where underground piping is a part of the system.
14.4.12.3 SLGS leak  surveys  shall  utilize  flame   ionization   detectors, 
combustible  gas indicators and other means of leak detection.
14.4.12.4 Where leakage is found, equipment that gives a  numerical   reading 
shall  be used to determine the seriousness and location of  the  leak,   and 
shall  be repaired immediately.
14.4.13 Consumer education.  Each SLGS operator shall  provide    information 
to  users and other residents in the area of a SLGS annually.
  (a) Consumer  education  materials   must   include   the   characteristics
  and propensities of LP-gas.
  (b) Consumer education materials shall be  furnished   to    each    active 
connected service location.

  History: 2008 AACS.