St. Louis City Revised Code Chapter 25.03

Chapter 25.03
MECHANICAL CODE

Sections:

25.03.010 Adopted.
25.03.015 Amendments.
25.03.020 Chapter 1--Amended.
25.03.025 Section 201.3--Amended.
25.03.030 Section 202--Amended.
25.03.035 Section 301.2--Amended.
25.03.040 Sections 301.7 and 301.8--Amended.
25.03.045 Section 301.12--Amended.
25.03.050 Section 301.13--Amended.
25.03.055 Section 301.15--Amended.
25.03.060 Section 301.16--Amended.
25.03.065 Section 301.17--Added.
25.03.070 Section 302.1--Amended.
25.03.075 Section 302.2--Amended.
25.03.080 Section 302.5--Added.
25.03.085 Section 303.3--Amended.
25.03.090 Section 303.5--Amended.
25.03.095 Section 303.7--Amended.
25.03.100 Section 304.5--Amended.
25.03.105 Section 304.6--Amended.
25.03.110 Section 304.9--Amended.
25.03.115 Section 304.11--Added.
25.03.120 Section 306.1.1--Amended.
25.03.125 Section 306.3--Amended.
25.03.130 Section 306.3.1--Amended.
25.03.135 Section 306.4--Amended.
25.03.140 Section 306.4.1--Amended.
25.03.145 Sections 306.5.1 through 306.5.3--Added.
25.03.150 Section 306.6--Amended.
25.03.155 Section 307.2.3--Amended.
25.03.160 Section 307.2.4--Amended.
25.03.165 Section 308.8--Amended.
25.03.170 Section 308.10--Amended.
25.03.175 Section 310.1--Amended
25.03.180 Section 311.1--Amended.
25.03.185 Section 312--Amended.
25.03.190 Section 401.3--Amended.
25.03.195 Section 401.4--Amended.
25.03.200 Section 401.5--Amended.
25.03.205 Section 401.5.2--Amended.
25.03.210 Section 401.6--Amended.
25.03.215 Section 402.1--Amended.
25.03.220 Section 403.3--Amended.
25.03.225 Section 406.1--Amended.
25.03.230 Section 501.2.1--Added.
25.03.235 Section 502.6.2--Amended.
25.03.240 Section 502.7.1--Amended.
25.03.245 Section 502.8.5--Amended.
25.03.250 Sections 502.8.5.2 and 5.02.8.5.3--Amended.
25.03.255 Sections 502.8.8.2 and 502.8.8.3--Amended.
25.03.260 Sections 502.8.8.5 and 502.8.8.6--Amended.
25.03.265 Sections 502.9 and 502.9.1--Amended.
25.03.270 Section 502.9.3--Amended.
25.03.275 Section 502.15.2--Amended.
25.03.280 Section 504.2--Amended.
25.03.285 Section 506.1--Amended.
25.03.290 Section 506.3--Amended.
25.03.295 Section 506.3.4--Amended.
25.03.300 Section 506.3.11--Amended.
25.03.305 Section 506.3.13.2--Amended.
25.03.310 Section 506.4.1--Amended.
25.03.315 Sections 506.5 and 506.6--Added.
25.03.320 Section 507.2--Amended.
25.03.325 Section 507.9.1--Added.
25.03.330 Sections 507.15.1 and 507.15.2--Added.
25.03.335 Section 508.1--Amended.
25.03.340 Section 509.1--Amended.
25.03.345 Sections 509.2 through 509.2.6.5--Added.
25.03.350 Sections 510.2.1 and 510.2.2--Amended.
25.03.355 Section 510.4--Amended.
25.03.360 Sections 510.6 and 510.7--Amended.
25.03.365 Section 511.1.5--Amended.
25.03.370 Section 511.3--Added.
25.03.375 Section 512.2--Amended.
25.03.380 Section 513.1--Amended.
25.03.385 Section 513.2--Amended.
25.03.390 Section 513.3--Amended.
25.03.395 Section 513.4.3--Amended.
25.03.400 Section 513.5--Amended.
25.03.405 Section 513.5.2--Amended.
25.03.410 Section 513.5.2.1--Amended.
25.03.415 Section 513.6.2--Amended.
25.03.420 Section 513.10.5--Amended.
25.03.425 Section 513.11--Amended.
25.03.430 Sections 513.12 through 513.12.2--Amended.
25.03.435 Sections 513.12.2.1 and 513.12.2.2--Added.
25.03.440 Sections 513.15 and 513.16--Amended.
25.03.445 Sections 513.16.1 through 513.16.4--Added.
25.03.450 Sections 513.17 and 513.18--Amended.
25.03.455 Sections 513.18.1 through 513.18.10--Added
25.03.460 Sections 513.19 and 513.20--Amended.
25.03.465 Sections 513.20.2 and 513.20.3--Amended.
25.03.470 Section 601.2--Amended.
25.03.475 Sections 602.2.1 through 602.2.1.1--Amended.
25.03.480 Section 602.2.1.5--Amended.
25.03.485 Section 602.3--Amended.
25.03.490 Section 603.1--Amended.
25.03.495 Sections 603.8 and 603.9--Amended.
25.03.500 Section 603.16--Added.
25.03.505 Section 604.4--Amended.
25.03.510 Section 606.2.1--Amended.
25.03.515 Sections 607.5.1 through 607.5.4.1--Amended.
25.03.520 Section 607.6--Amended.
25.03.525 Section 630.1--Added.
25.03.530 Sections 701.4.1 and 701.4.2--Amended.
25.03.535 Section 801.3--Amended.
25.03.540 Section 801.16.1--Amended.
25.03.545 Section 801.18.4--Amended.
25.03.550 Section 804.3.3--Amended.
25.03.555 Section 804.3.8--Amended.
25.03.560 Section 902.1--Amended.
25.03.565 Sections 908.3 through 908.5--Amended.
25.03.570 Section 908.7--Amended.
25.03.575 Section 910.3--Amended.
25.03.580 Section 1001--Amended.
25.03.585 Sections 1002.1 through 1002.3--Amended.
25.03.590 Section 1004.6--Amended.
25.03.595 Sections 1005.1 and 1005.2--Amended.
25.03.600 Section 1006.1--Amended.
25.03.605 Section 1006.6--Amended.
25.03.610 Section 1008.1 and 1008.2--Amended.
25.03.615 Section 1009.3--Amended.
25.03.620 Section 1011.1.1--Added.
25.03.625 Section 1012--Added.
25.03.630 Section 1013--Added.
25.03.635 Section 1014--Added.
25.03.640 Section 1101.4--Amended.
25.03.645 Section 1101.9--Amended.
25.03.650 Section 1105.1--Amended.
25.03.655 Section 1105.3--Amended.
25.03.660 Sections 1106.5 through 1106.5.3.5--Amended.
25.03.665 Section 1106.6--Amended.
25.03.670 Section 1110--Added.
25.03.675 Section 1201.1--Amended.
25.03.680 Section 1201.3--Added.
25.03.685 Section 1204.1--Amended.
25.03.690 Section 1204.2--Deleted.
25.03.695 Section 1206.2--Amended.
25.03.700 Sections 1206.3 and 1206.4--Amended.
25.03.705 Section 1301.1--Amended.
25.03.710 Section 1301.2--Amended.
25.03.715 Section 1401.2--Amended.
25.03.720 Sections 1402.3 and 1402.3.1--Amended.
25.03.725 Chapter 15--Amended.
25.03.730 Penalty for violation.

Prior ordinance history:

Ords. 56797, 60513, 63621 and 63806

25.03.010 Adopted.

The International Mechanical Code, 2000 Edition as published by the International Code Council, Inc., a copy of which is on file in the Office of the Register of the City of Saint Louis, is hereby adopted as "The Mechanical Code of the City of Saint Louis, in the State of Missouri," for the governing of the design, installation, construction and maintenance of mechanical systems, by providing reasonable safeguards to protect the public health and safety against the hazards of inadequate, defective or unsafe mechanical systems and installations as herein provided; and that each and all of the regulations, provisions, penalties, conditions and terms of said International Mechanical Code are hereby referred to, adopted and made a part hereto, as if set out in this chapter with the additions, insertions, deletions and changes prescribed in this chapter. (Ord. 65021 § 2, 2000.

25.03.015 Amendments.

The 2000 International Mechanical Code is amended and changed in the following respects, as set out in this chapter. (Ord. 65021 § 3 (part), 2000.)

25.03.020 Chapter 1--Amended.

Change Chapter One to read as follows:

CHAPTER 1

ADMINISTRATION

SECTION 101 GENERAL

101.1 Title. These regulations shall be known as the Mechanical Code of the City of Saint Louis, hereinafter referred to as "this code."

101.2 Scope. This code shall regulate the design, installation, maintenance, alteration, relocation and inspection of mechanical systems that are installed and utilized to provide control of environmental conditions and related processes within buildings. This code shall also regulate those mechanical systems, system components, equipment and appliances specifically addressed in this code.

101.2.1 Appendices. Provisions in the appendices shall not apply unless specifically adopted. Appendix A is hereby adopted for use by the City of Saint Louis.

101.3 Intent. The purpose of this code is to provide minimum standards to safeguard life and limb, health, property and public welfare by regulating and controlling the design, construction, installation, quality of materials, location, operation, and maintenance or use of mechanical systems. This code shall be construed to secure its expressed intent, which is to insure public health, safety and welfare insofar as they are affected by the installation and maintenance of mechanical systems.

SECTION 102 APPLICABILITY

102.1 General. The provisions of this code shall apply to all matters affecting or relating to structures and premises as set forth in Section 101. Where, in a specific case, different sections of this code specify different materials, methods of construction or other requirements, the most restrictive sections shall govern.

102.2 Existing installations. Except as otherwise provided for in this chapter, a provision in this code shall not require the removal, alteration or abandonment of, nor prevent the continued utilization and maintenance of, an existing mechanical system lawfully in existence at the time of adoption of this code.

102.3 Maintenance. Mechanical systems, both existing and new, and parts thereof shall be maintained in proper operating condition in accordance with the original design and in a safe and sanitary condition. Devices or safeguards which are required by this code shall be maintained in compliance with the code edition under which installed.

The owner or the owner’s designated agent shall be responsible for maintenance of mechanical systems. To determine compliance with this provision, the code official shall have the authority to require a mechanical system to be reinspected.

102.4 Additions, alterations or repairs. Additions, alterations, renovations or repairs to a mechanical system shall conform to that required for a new mechanical system without requiring the existing mechanical system to comply with all the requirements of this code. Additions, alterations or repairs shall not cause an existing mechanical systems to become unsafe, hazardous or overloaded.

Minor additions, alterations, renovations and repairs to existing mechanical systems shall meet the provisions for new construction, unless such work is done in the same manner and arrangement as was in the existing system, is not hazardous and is approved.

102.5 Change in occupancy. It shall be unlawful to make a change in the occupancy of any structure which will subject the structure to any special provision of this code applicable to the new occupancy without approval. The code official shall certify that such structure meets the intent of the provisions of law governing building construction for the proposed new occupancy and that such change of occupancy does not result in any hazard to public health, safety or welfare.

102.6 Historic buildings. The provisions of this code relating to the construction, alteration, repair, enlargement, restoration, relocation or moving of building or structures shall not be mandatory for existing buildings or structures identified and classified by the state or City of Saint Louis as historic buildings when such buildings or structures are judged by the code official to be safe and in the public interest of health, safety and welfare regarding any proposed construction, alteration, repair, enlargement, restoration, relocation or moving of buildings.

102.7 Moved buildings. Except as determined by Section 102.2, mechanical systems that are a part of buildings or structures moved into or within the City of Saint Louis shall comply with the provisions of this code for new installations.

102.8 Referenced codes and standards. The codes and standards referenced in this code shall be those that are listed in Chapter 15 and considered part of the requirements of this code to the prescribed extent of each such reference. Where differences occur between provisions of this code and the referenced standards, the most stringent provision shall apply.

102.9 Requirements not covered by code. Requirements necessary for the strength, stability or proper operation of an existing or proposed mechanical system, or for the public safety, health and general welfare, not specifically covered by this code, shall be determined by the code official.

102.10 Workmanship. All work shall be conducted, installed and completed in a workmanlike and approved manner so as to secure the results intended by this code.

SECTION 103 SECTION OF MECHANICAL EQUIPMENT INSPECTION

103.1 General. There is hereby created the Section of Mechanical Equipment Inspection within the Division of Building and Inspection which shall have control and enforce all codes, regulations and ordinances pertaining to mechanical installations and systems in accordance with this code. The head of this section shall be known as the Mechanical Equipment Inspection Supervisor, who shall be appointed by the Building Commissioner. Throughout this code, the Mechanical Equipment Inspection Supervisor, the Chief Mechanical Engineer, the Building Commissioner and their authorized employees shall be referred to as the code official.

103.2 Mechanical equipment inspection supervisor. There shall be appointed by the Building Commissioner a Mechanical Equipment Inspection Supervisor. The Supervisor shall have a minimum of five years experience as a Mechanical Inspector and possess the qualifications established by the Department of Personnel.

103.3 Deputies. There shall be appointed by the code official a sufficient number of Mechanical Equipment Inspectors to adequately perform all inspection duties and enforce all ordinances pertaining to the Mechanical Equipment Inspection Section in accordance with subsequent sections of this code and City of Saint Louis budgetary constraints. All Mechanical Inspectors shall have had at least three years experience and possess the qualifications set forth by the Department of Personnel.

103.3.1 Assistant to the supervisor. One such inspector shall assist the Mechanical Equipment Inspection Supervisor. The assistant shall assume the responsibilities of the Mechanical Equipment Inspection Supervisor in the Supervisor’s absence or disability.

103.3.2 Restriction of employees. An official or employee connected with the Mechanical Equipment Inspection Section, except one whose only connection is that of a member of the Board of Stationary Engineers, shall not be engaged in, or directly or indirectly connected with the furnishing of labor, materials or appliances for the construction, alteration or maintenance of a building in the City of Saint Louis, or the preparation of construction documents thereof, unless that person is the owner of the building; nor shall such code official or employee engage in any work that conflicts with official duties or with the interests of the department.

103.4 Liability. The code official and employees charged with the enforcement of this code, while acting for the City of Saint Louis, shall not thereby be rendered liable personally, and are hereby relieved from all personal liability for any damage accruing to persons or property as a result of any act required or permitted in the discharge of official duties.

Any suit instituted against any code official or employee because of an act performed in the lawful discharge of duties and under the provisions of this code shall be defended by the legal representative of the City of Saint Louis until the final termination of the proceedings. The code official or any employees shall not be liable for any cost in or arising from any action, suit or proceeding that is instituted in pursuance of the provisions of this code. Any code official or employee of the Division of Building and Inspection, Department of Public Safety, acting in good faith and without malice, shall be free from liability for acts performed under any of its provisions or by reason of any act or omission in the performance of official duties in connection therewith.

The above protection shall also extend to former employees for work performed during their period of employment with the City of Saint Louis.

SECTION 104 DUTIES AND POWERS OF THE CODE OFFICIAL

104.1 General. The code official shall enforce all of the provisions of this code and shall act on any question relative to the installation, alteration, repair, maintenance or operation of all mechanical systems, devices and equipment, except as otherwise specifically provided for by statutory requirements or as provided for in Sections 104.1.1 through 104.8.

104.1.1 Emergency condemnation. Whenever the code official shall find any building, structure, premises or portion thereof no matter for what purpose used, to be in an unsafe or dangerous condition and that there is an actual and potential danger to the occupants or those in the proximity of any building, structure or premises which poses an immediate danger to public safety or welfare, the code official shall order the immediate evacuation of said building, structure or premises. All of the occupants so notified shall immediately vacate the building, structure, or premises and no person shall re-enter until authorized to do so by the code official.

Any person who refuses to leave, interferes with the evacuation of other occupants, or continues any operation after having been given an evacuation order by the code official, except such person(s) directed to perform work to remove a violation or unsafe condition shall be deemed in violation of this section whereupon it shall be the duty of the Police Department to immediately remove such person(s) from said building, structure, or premises and prevent anyone from re-entering the building, structure or premises until such time that the Police Department shall have been notified by the Building Division that the same is in a safe condition.

Any person who shall violate any provisions of this section shall, upon conviction thereof, be penalized as set forth in Section 25.03.730.

104.1.2 Authority to placard. The code official has the authority to post a placard in a conspicuous place on a building or premises where the mechanical system has been found to be unsafe or inadequate.

104.1.3 Placarded building. Placards shall remain on said building until the required repairs, replacements or improvements have been made and accepted by the code official, and it shall be unlawful to deface or willfully remove any such placard that has been posted on a building without first obtaining consent of the code official. It shall be unlawful for any person to reside in, use, rent, lease or occupy such building for any purpose while so placarded and no person shall remove said placards without the consent of the code official.

104.2 Rule making authority. The code official shall have authority as necessary in the interest of public health, safety and general welfare, to adopt and promulgate rules and regulations; to interpret and implement the provisions of this code; to secure the intent thereof; and to designate requirements applicable because of local climatic or other conditions. Such rules shall not have the effect of waiving structural or fire performance requirements specifically provided for in this code, or of violating accepted engineering practice involving public safety.

104.2.1. Accepted engineering practice. In the absence of provisions not specifically contained in this code or approved rules, the regulations, specifications and standards listed in Chapter 15 shall be deemed to represent accepted engineering practice in respect to the material, equipment, system or method of construction therein specified.

104.3 Applications and permits. The code official shall receive applications for and issue permits for the installation, replacement, relocation and alteration of mechanical systems and equipment, and inspect the premises for which such permits have been issued and enforce compliance with the provisions of this code. Such application shall describe in detail the nature of the work and the location thereof by street and number. No person shall begin such work unless and until they shall have submitted a proper application and received a permit. In the case of an emergency, work may begin upon the verbal request of the applicant and verbal permission of the code official, upon the condition that such written application shall be filed in the office of the code official without delay.

Exception: Buildings, structures or premises owned and occupied by the United States of America or the State of Missouri.

104.4 Inspections. The code official shall make all of the required inspections, or the code official may accept reports of inspection by authoritative and recognized services or individuals. All reports of such inspections shall be in writing and certified by a responsible officer of such authoritative service or by the responsible individual. The code official is authorized to engage such expert opinion as deemed necessary to report upon unusual technical issues that arise subject to the approval of the appointing authority.

104.4.1 Dangerous, hazardous, unsanitary, or unapproved installations. The code official shall have the authority to seal out of service mechanical equipment, devices, and appurtenances covered by the Building and Mechanical Codes when, in the code official’s opinion, any of these items are in an unsafe, hazardous, or unsanitary condition, or if the installation was made without obtaining the necessary permit or permits, or if the installation violates the provisions of these codes.

104.4.2. Notice of sealing out of service. Before sealing any device out of service, the code official shall, except in cases of emergency, serve ten calendar days written notice upon the building owner, occupant or collector of rent either directly or by United States mail, stating intention to seal the equipment out of service and the reasons therefore.

104.4.3 Unlawful to remove seal. Any device sealed out of service by the code official shall be plainly marked with a sign or tag indicating such sealing, and any defacing or removal of the sign or tag, or any tampering with or removal of the seal without approval of the code official, or operation of the sealed unit, shall constitute a violation of this code. The penalty for violation of this section shall be as set forth in Section 25.03.730.

104.4.4 Utility disconnect. Whenever the code official determines that there is an eminent danger to public safety, the code official may request that the public utilities be disconnected to that structure or premises.

104.5 Right of entry. Whenever it is necessary to make an inspection to enforce the provisions of this code, or whenever the code official has reasonable cause to believe that there exists in a building or upon any premises any condition or violation of this code which makes the building or premises unsafe, insanitary, dangerous or hazardous, the code official shall have the authority to enter the building or premises at all reasonable times to inspect or to perform the duties imposed upon the code official by this code. If such building or premises is occupied, the code official shall present credentials to the occupant and request entry. If such building is unoccupied, the code official shall first make a reasonable effort to locate the owner or other person having charge or control of the building or premises and request entry. If entry is refused, the code official has recourse to every remedy provided by law to secure entry.

When the code official has first obtained a proper inspection warrant or other remedy provided by law to secure entry, an owner or occupant or person having charge, care or control of the building or premises shall not fail or neglect, after proper request is made as herein provided, to promptly permit entry therein by the code official for the purpose of inspection and examination pursuant to this code.

104.6 Identification. The code official shall carry proper identification when inspecting structures or premises in the performance of duties under this code.

104.7 Notices and orders. The code official shall issue all necessary notices or orders to assure compliance with this code.

104.8 Department records. The code official shall keep official records of mechanical applications received, permits issued, fees collected, reports of inspections, and notices and orders issued. Such records shall be retained in the official records for three years, except notices and orders which have been complied need not be kept.

SECTION 105 APPROVAL

105.1 Modifications. Whenever there are practical difficulties involved in carrying out the provisions of this code, the code official shall have the authority to grant modifications for individual cases, provided the code official shall first find that the special individual reason makes the strict letter of this code impractical and the modification is in compliance with the intent and purpose of this code and that such modification does not lessen health, life and fire safety requirements.

105.2 Alternative materials, methods and equipment. The provisions of this code are not intended to prevent the installation of any material or to prohibit any method of construction not specifically prescribed by this code, provided that any such alternative has been approved. An alternative material or method of construction shall be approved where the code official finds that the proposed design is satisfactory and complies with the intent of the provisions of this code, and that the material, method or work offered is, for the purpose intended, at least the equivalent of that prescribed in this code for quality, strength, effectiveness, fire resistance, durability and safety.

105.2.1 Approved materials and equipment. All materials, equipment and devices not covered by this code and approved by the code official shall be constructed and installed in accordance with such approval.

105.3 Required testing. Whenever there is insufficient evidence of compliance with the provisions of this code, or evidence that a material or method does not conform to the requirements of this code, or in order to substantiate claims for alternative materials or methods, the code official shall have the authority to require tests as evidence of compliance to be made at no expense to the City of Saint Louis.

105.3.1 Test methods. Test methods shall be as specified in this code or by other recognized and accepted test standards. In the absence of recognized and accepted test methods, the code official shall approve the testing procedures.

105.3.2 Testing agency. All tests shall be performed by an approved independent testing agency.

105.3.3 Test reports. Reports of tests shall be retained by the code official for the period required for retention of public records.

105.4 Material and equipment reuse. Materials, equipment and devices shall not be reused unless such elements have been reconditioned, tested and placed in good and proper working condition and approved by the code official.

SECTION 106 PERMITS

106.1 When required. No person shall commence any mechanical work until a permit for such work has been issued by the code official. The fees for said permits shall be paid to the City of Saint Louis for each permit herein required. All work shall be done by the person or corporation in whose name the permit or permits required by this section are issued, or any other qualified person or corporation designated by the permit holder. Any person who shall fail to comply with or who shall violate any of the provisions of this section shall be subject to the penalty provisions of Section 25.03.730.

Exception: When equipment replacements and repairs must be performed in an emergency situation, the permit application shall be submitted within the next working business day of the section of mechanical equipment inspection.

106.2 Permits not required. Permits shall not be required for any of the following:

1. Any portable heating appliance.

2. Any portable ventilation equipment.

3. Any portable cooking unit.

4. Replacement of any minor part which does not alter approval of equipment or make such equipment unsafe.

5. Any portable evaporation cooler; and

6. Any self-contained refrigeration system containing 10 pounds (4.53 kg) or less of refrigerant, or actuated by motors of 1 horsepower (0.75 kW) or less.

7. Heating, cooling and ventilating appliances and equipment installed in residential dwellings of six units or less.

Exemption from the permit requirements of this code shall not be deemed to grant authorization for work to be done in violation of the provisions of this code or other laws or ordinance of the City of Saint Louis.

106.3 Application for permit. Each application for a permit, with the required fee, shall be filed with the code official in such written form as the code official prescribes and shall be accompanied by an adequate written description of the proposed mechanical work and its location. The application shall be made by the owner or lessee of a structure, or the agent of either, or by the registered design professional employed in connection with the proposed work or the contractor employed in connection with the proposed work. The full names, addresses and telephone numbers of the owner, lessee, applicant and the responsible officers, if the owner or lessee is a corporate body, shall be stated in the application.

106.3.1 Construction documents. The code official is authorized to require the submission and approval of a set of construction documents showing the nature and extent of the proposed work before a permit is issued. If, in the course of the work, it is found necessary to make any change from the approved construction documents on which a permit has been issued, amended construction documents shall be submitted, and if approved, a supplementary permit shall be issued, after payment of any additional fees, to cover the change after the same conditions required to secure the original permit have been satisfied. The code official is permitted to waive the requirements for filing construction documents where the work involved is of a minor nature. When the quality of the materials is essential for conformity to this code, specific information shall be given to establish such quality, and this code shall not be cited, or the term "legal" or its equivalent used as a substitute for specific information.

The code official is authorized to require the submission of specific information in order to determine compliance with this code.

All construction documents prepared by a registered design professional shall bear the original seal, signature and date in ink of that person. Construction documents for structures more than two stories in height shall indicate how required structural and fire resistance rating integrity will be maintained, and where penetrations will be made for electrical, mechanical, plumbing and communication conduits, pipes and systems.

106.3.2 Seismic installations. Construction documents for installations which must meet the seismic requirements of the Building Code listed in Chapter 15 of this code shall show the details of all pertinent anchorage and bracing and shall bear the original seal, signature and date in ink of a registered design professional licensed to practice in the State of Missouri.

106.3.3 Amendments to application. Subject to the time limitations of Section 106.3.4, amendments to the construction documents, application or other records accompanying the same shall be filed at any time before completion of the work for which the permit is sought or issued. Such amendments shall be deemed part of the original application and shall be filed in the same manner as the original.

106.3.4 Time limitation of application. An application for a permit for any proposed work shall be deemed to have been abandoned six months after the date of filing, unless such application has been diligently prosecuted or a permit shall have been issued. The code official may grant one or more extensions of time for additional periods not exceeding one hundred eighty days each, if there is reasonable cause.

106.4 Permit issuance. The application, construction documents and other data filed by an applicant for a permit shall be reviewed by the code official. If the code official finds that the proposed work conforms to the requirements of this code and all laws and ordinances applicable thereto, and that the fees specified in Section 106.5 have been paid, a permit shall be issued to the applicant. A mechanical permit shall not be transferable.

If the application or the construction documents do not conform to the requirements of all pertinent ordinances of the City of Saint Louis, the code official shall reject such application in writing, stating the reasons therefore.

106.4.1 Approved construction documents. When the code official issues a permit where construction documents are required, such approved construction documents shall not be changed, modified or altered without authorization from the design professional and the code official. Work shall be done in accordance with the approved construction documents.

The code official is authorized to issue a permit for the installation of part of a mechanical system before the application for the whole system has been submitted or approved, provided adequate information and detailed statements have been filed complying with all the pertinent requirements of this code. The holder of such permit shall proceed at their own risk without assurance that the permit for the entire mechanical system will be granted.

Except for unsafe mechanical systems or installations, this code shall not require changes in the construction documents or mechanical work for which a lawful permit has been heretofore issued or otherwise lawfully authorized, and the installation of which shall have been actively prosecuted within ninety days after the effective date of this code and is completed with dispatch.

106.4.2 Validity. The issuance of a permit or approval of construction documents shall not be construed to be a permit for, or an approval of, any violation of any of the provisions of this code or of other ordinances of the City of Saint Louis. A permit presuming to give authority to violate or cancel the provisions of this code shall be invalid.

The issuance of a permit based upon construction documents and other data shall not prevent the code official from thereafter requiring the correction of errors in said construction documents and other data or from preventing building operations from being carried on thereunder when in violation of this code or of other ordinances of the City of Saint Louis

106.4.3 Expiration. Every permit issued by the code official under the provisions of this code shall expire by limitation and become null and void if the work authorized by such permit is not commenced within one hundred eighty days from the date of such permit, or if the work authorized by such permit is suspended or abandoned at any time after the work is commenced for a period of one hundred eighty days. The code official may grant one or more extensions of time for an additional period the total not to exceed six months if there is reasonable cause. Before such work recommences, a new permit shall be first obtained and a new fee paid.

106.4.4 Extensions. A permittee holding an unexpired permit shall have the right to apply for an extension of the time within which the permittee will commence work under that permit when work is unable to be commenced within the time required by this section for good and satisfactory reasons. The code official shall extend the time for action by the permittee for a period not exceeding one hundred eighty days if there is reasonable cause.

106.4.5 Suspension or revocation of permit. The code official shall suspend or revoke a permit or approval issued under the provisions of this code in case of any false statement or misrepresentation of fact in the application or on the construction documents upon which the permit or approval was based. A permit shall also be considered for revocation under the following provisions:

1. The owner of the property or the contractor shall request cancellation in writing stating the reasons for the request for cancellation. No refund of fees shall be made.

2. The code official may revoke the permit for fraud, for non-compliance with the code or for failure to pay the prescribed fees.

Should the mechanical contractor install work that is not in compliance with the mechanical, fire or building code, the contractor shall be directed by the code official to make necessary corrections to assure code compliance and no other permits shall be issued to said contractor until such work is corrected and approved by the code official.

106.4.6 Retention of construction documents. One set of construction documents shall be retained by the code official until final approval of the work covered therein. One set of construction documents shall be returned to the applicant and said set shall be kept at the site of the building or work at all times during which the work authorized thereby is in progress.

106.4.7 Posting of permit. A true copy of the permit shall be kept on the site of operations, open to public inspection during the entire time of prosecution of the work and until the completion of the same.

106.5 Fees. A permit shall not be issued until the fees prescribed in Table 106.5.2 have been paid, nor shall an amendment to a permit necessitating an additional fee because of the additional work involved be released until the additional fee has been paid. Fees for the inspections herein prescribed shall be paid to and collected by the City of Saint Louis. A permit may be revoked if payment is returned for insufficient funds.

106.5.1 Work commencing before permit issuance surcharge. In case any work for which a permit required by this code is started or proceeded with prior to the permit being issued, the total normal fees applicable shall be increased by the amount as set forth in Table 106.5.1. The payment of said surcharge shall not relieve any persons from fully complying with the requirements of this code for performance or execution of the work, nor from other penalties prescribed by law.

Table 106.5.1

Schedule for Surcharge

Permit Fee	Surcharge
$0 to $50	$ 30.00
$51 to $200	90.00
$201 to $500	240.00
$501 to $2,000	360.00
$2,001 to $10,000	480.00
over $10,000	1,000.00

106.5.2 Fee schedule. The fees for all mechanical work shall be as indicated in Table 106.5.2. Mechanical permit fees shall not be waived for contractors working in facilities owned and operated by the City of Saint Louis.

Table 106.5.2

Fees for Mechanical Permits and Inspections

ITEM	FEE
APPLICATION FEE	$25.00
AMUSEMENT RIDES -each	$10.00
AUTO LIFTS - Per Unit	$ 80.00
BOILERS-HIGH PRESSURE - per boiler <1,000,000 BTU/HR >1,000,000 BTU/HR	$60.00 $80.00
BOILERS-LOW PRESSURE - per boiler <1,000,000 BTU/HR >1,000,000 BTU/HR	$50.00 $70.00
UNFIRED PRESSURE VESSELS - Per unit	$40.00
AIR CONDITIONING/ REFRIGERATION SYSTEM (See NOTE 1) -each Up to 14 tons 14 tons or greater	$60.00 $85.00 + $1.00/ton
COOLING TOWERS -each	$180.00
VENTILATION SYSTEMS -each 500 cfm up to 2,000 cfm 2,000 cfm to 15,000 cfm Over 15,000 cfm	$ 80.00 $ 140.00 $ 180.00
EXHAUST HOODS/SYSTEMS Up to 5,000 cfm Over 5,000 cfm	$ 80.00 $ 140.00
FIRE/ SMOKE DAMPERS - Per Unit	$40.00
PROCESS PIPING -each	$20.00
SPECIAL INSPECTION -each	$ 40.00
REINSPECTION -each. ( See NOTE 2)	$ 25.00
NOTES: 1. All installations of refrigeration and/or air conditioning equipment require a permit except the following: a. Portable equipment (window units) b. Units of less than 12,000 BTU per hour capacity. c. Incremental (through the wall) cooling or heating/cooling units. d. Condensing units serving buildings of six units or less. All installations of ventilation systems (ducted) require a permit except ventilation systems under 2,000 cfm capacity. 2. Reinspections - Faulty or Incomplete work - Where a reinspection is required to be made due to faulty workmanship or work not completed at the time of a requested inspection, a reinspection charge of $25.00 shall be levied.

106.5.4 Fees for abandoned work or removed permit. Fees shall not be waived or refunded for any mechanical permit that has been abandoned, canceled or revoked.

SECTION 107

INSPECTIONS AND TESTING

107.1 Required inspections and testing. All equipment for which a permit is obtained under this code shall be inspected and approved. Any portion of equipment intended to be concealed by any permanent portion of the structure shall not be concealed until inspected. The code official shall have the authority to require any concealment to be removed. Failure to comply with this order of the code official may result in condemnation of the structure or any part thereof and prohibition of occupancy. When installation of any equipment is complete, a final inspection shall be made. Equipment regulated by this code shall not be connected to the fuel or power supply and placed in normal operation until such equipment complies with all applicable requirements of this code, and a final inspection has been completed.

The requirements above shall not be considered to prohibit the operation of any heating equipment installed to replace existing heating equipment serving an occupied portion of a structure in the event a request for inspection of such heating equipment has been filed with the department not more than 48 hours after replacement work is completed, and before any portion of such equipment is concealed by any permanent portion of the structure.

Upon completion of the mechanical work and before final approval is given, a final inspection shall be made. All violations of any code, any approved construction document or the mechanical permit shall be noted, and the holder of the mechanical permit shall be notified of the discrepancies. All violations shall be abated before final approval.

107.1.1 Approved inspection agencies. The code official shall accept reports of approved inspection agencies, provided such agencies satisfy the requirements as to qualification and reliability.

107.1.2 Evaluation and follow-up inspection services. Prior to the approval of a closed, prefabricated mechanical system and the issuance of a mechanical permit, the code official, if deemed necessary, shall require the submittal of an evaluation report on each prefabricated mechanical system, indicating the complete details of the mechanical system, including a description of the mechanical system and its components, the basis upon which the mechanical system is being evaluated, test results and similar information, and other data as necessary for the code official to determine conformance to this code.

107.1.2.1 Evaluation service. The code official shall designate the evaluation service of an approved agency as the evaluation agency, and review such agency’s evaluation report for adequacy and conformance to this code.

107.1.2.2 Follow-up inspection. Except where ready access is provided to mechanical systems, service equipment and accessories for complete inspection at the site without disassembly or dismantling, the code official shall conduct the in-plant inspections as frequently as necessary to assure conformance to the approved evaluation report or shall designate an independent, approved inspection agency to conduct such inspections. The inspection agency shall furnish the code official with the follow-up inspection manual and a report of inspections upon request, and the mechanical system shall have an identifying label permanently affixed to the system indicating that factory inspections have been performed.

107.1.2.3 Test and inspection records. All required test and inspection records shall be available to the code official at all times during the fabrication of the mechanical system and the erection of the building; or such records as the code official designates shall be filed.

107.2 Testing. Mechanical systems shall be tested as required in this code and in accordance with Sections 107.2.1 through 107.2.3. Tests shall be made by the permit holder and observed by the code official.

107.2.1 New, altered, extended or repaired systems. New mechanical systems and parts of existing systems, which have been altered, extended or repaired shall be tested as prescribed herein to disclose leaks and defects.

107.2.2 Equipment, material and labor for tests. Equipment, material and labor required for testing a mechanical system or part thereof shall be furnished by the permit holder.

107.2.3 Reinspection and testing. Where any work or installation does not pass an initial test or inspection, the necessary corrections shall be made so as to achieve compliance with this code. The work or installation shall then be resubmitted to the code official for inspection and testing.

107.3 Contractor’s responsibilities. It shall be the responsibility of every contractor who enters into contracts for the installation or repair of mechanical systems for which a permit is required to comply with adopted federal, state and local rules and regulations concerning certification and licensing.

107.4 Coordination of inspections. Whenever in the enforcement of this code or another code or ordinance, the responsibility of more than one code official is involved, it shall be the duty of the code officials involved to coordinate their inspections and administrative orders as fully as practicable so that the owners and occupants of the structure shall not be subjected to visits by numerous inspectors or multiple or conflicting orders. Whenever an inspector from any agency or department observes an apparent or actual violation of some provision of some law, ordinance or code not within the inspector’s authority to enforce, the inspector shall report the findings to the code official having jurisdiction.

107.4.1 Legal compliance. All legal assistance necessary to effect compliance of the mechanical systems of such premises with this section shall be supplied to the code official by the City Counselor and other City of Saint Louis agencies. The Fire and Police Departments of the City of Saint Louis shall, upon request, assist the code official in the enforcement of this code.

107.5 Approval. After the prescribed tests and inspections indicate that the work complies in all respects with this code, all equipment subject to annual inspection shall be identified by a tag bearing the city identification number and, where applicable, a sticker denoting approval shall be applied to all other equipment.

107.6 Temporary connection. The code official shall have the authority to authorize the temporary connection of a mechanical system to the sources of energy for the purpose of testing mechanical systems or for use under a temporary certificate of occupancy.

107.7 Moved structures. Before any structure that has been moved within or into the City of Saint Louis is occupied, all mechanical equipment and devices shall be inspected and tested for safe operation and compliance with the requirements of this code.

Exception: Mechanical systems within manufactured units bearing certification of the Missouri Public Service Commission.

SECTION 108 VIOLATIONS

108.1 Unlawful acts. It shall be unlawful for any person, firm or corporation to erect, construct, alter, repair, remove, demolish or operate mechanical equipment regulated by this code, or cause same to be done, in conflict with or in violation of any of the provisions of this code. All work shall be conducted, installed and completed in a workmanlike and approved manner so as to secure the results intended by this code.

108.2 Notice of violation. The code official shall serve a written notice of violation or order to the person, firm or corporation responsible for the erection, installation, alteration, extension, repair, removal, demolition or operation of mechanical equipment or systems in violation of the provisions of this code, or in violation of a detailed statement, or the approved construction documents thereunder, or in violation of a permit issued under the provisions of this code. Such order shall direct the discontinuance of the illegal action or condition and the abatement of the violation.

108.5 Stop work orders. Upon notice from the code official that mechanical work is being done contrary to the provisions of this code or in a dangerous or unsafe manner, or without permit, such work shall immediately cease. Such notice shall be in writing and shall be given to the owner of the property involved, or to the owner’s agent, or to the person doing the work. The stop work order shall state the conditions under which work is authorized to resume. Where an emergency exists, the code official shall not be required to give a written notice prior to stopping the work. Any person who shall continue any work on the system after having been served with a stop work order, except such work as that person is directed to perform to remove a violation or unsafe conditions, shall be subject to immediate arrest and, upon convicted thereof, be penalized as set forth in Section 25.03.730.

108.6 Abatement of violation. The imposition of the penalties herein prescribed shall not preclude the legal officer of the City of Saint Louis from instituting appropriate action to prevent unlawful construction or to restrain, correct or abate a violation, or to prevent illegal occupancy of a building, structure or premises, or to stop an illegal act, the conduct of business or operation of mechanical equipment or systems on or about any premises.

108.7 Unsafe mechanical systems. A mechanical system that is unsafe, constitutes a fire hazard, or is otherwise dangerous to human life, as regulated by this code, is hereby declared as an unsafe mechanical system. Use of a mechanical system regulated by this code constituting a hazard to health, safety or welfare by reason of inadequate maintenance, dilapidation, fire hazard, disaster, damage or abandonment is hereby declared an unsafe use. Such unsafe equipment is hereby declared to be a public nuisance and shall be abated by repair, rehabilitation, demolition or removal.

108.7.1 Authority to condemn mechanical systems. Whenever the code official determines that any mechanical system, or portion thereof, regulated by this code has become hazardous to life, health, property, or has become insanitary, the code official shall order in writing that such system either be removed or restored to a safe condition. A time limit for compliance with such order shall be specified in the written notice. A person shall not use or maintain a defective mechanical system after receiving such notice.

When such mechanical system is to be disconnected, written notice as prescribed in Section 108.2 shall be given. In cases of immediate danger to life or property, such disconnection shall be made immediately without such notice.

Fuel-fired or electrically supplied heating or cooling appliances or equipment shall not be removed from any structure to be demolished until the service supplied to the structure for such equipment has been terminated by the utility company.

108.7.2 Authority to order disconnection of energy sources. The code official shall have the authority to order disconnection of energy sources supplied to a building, structure or mechanical system regulated by this code, when it is determined that the mechanical system or any portion thereof has become hazardous or unsafe. Written notice of such order to disconnect service and the causes therefor shall be given within twenty-four hours to the owner and occupant of such building, structure, or premises, provided, however, that in cases of immediate danger to life or property, such disconnection shall be made immediately without such notice. Where energy sources are provided by a public utility, the code official shall immediately notify the serving utility in writing of the issuance of such order to disconnect.

108.7.3 Connection after order to disconnect. A person shall not make energy source connections to mechanical systems regulated by this code which have been disconnected or ordered to be disconnected by the code official until the code official, or the use of which has been ordered to be discontinued by the code official until the code official authorizes the re-connection and use of such mechanical systems.

When a mechanical system is maintained in violation of this code, and in violation of a notice issued pursuant to the provisions of this section, the code official shall institute appropriate action to prevent, restrain, correct or abate the violation.

SECTION 109 MEANS OF APPEAL

109.1 Appeals. Any person aggrieved by the decision of the code official, or any Board hereunder, may appeal said decision to the Board of Building Appeals in the manner prescribed in Section 121.0 of the Building Code. The fee for said appeal is as prescribed in said Building Code.

SECTION 110 BOARD OF STATIONARY ENGINEERS

110.1 General. There is hereby established a Board of Stationary Engineers. The Board shall act in an advisory capacity to the code official in the preparation of rules and regulations regarding installation, use and operation of boilers, steam generators and pressure vessels consistent with the provisions of this code.

110.1.1 Composition of board. The Board of Stationary Engineers shall be composed of three members, one member who shall be the code official or duly authorized representative and two other members who shall be appointed by the Director of Public Safety.

The two members appointed by the Director of Public Safety shall be engineers licensed by the City of Saint Louis under the provisions of this section as Class I licensed Stationary Engineers, with a minimum of five years experience in the operation and maintenance of steam engines, steam boilers or steam turbines. The Board shall elect their own chairman.

110.1.2 Duties of the board. The Board of Stationary Engineers shall give examinations to all applicants for Stationary Engineer’s licenses, issue Boiler Operator Certificates of Competency or Stationary Engineer’s Licenses to those who pass their respective tests, suspend or revoke such certificate or license for failure to maintain the standards imposed by this section of the code, and may order the reinspection of any boiler, steam generator or pressure vessel whenever deemed necessary for public safety.

110.2 Board sessions. The Board of Stationary Engineers shall provide for regular meetings and the code official shall act as the secretary to the Board and shall keep the minutes of all proceedings. The Board shall convene for business at least once a month, and at such additional times as the chairman shall designate, to conduct the business of the Board. A majority of the members of the Board of Stationary Engineers shall constitute a quorum. The Secretary shall keep a register of the names and addresses of all successful applicants designating those found to be qualified for the various classes provided herein.

110.3 Rules and regulations. The Board of Stationary Engineers shall have the power to adopt such rules and regulations consistent with this section as it may deem necessary for the application of the provisions of this section. Such rules and regulations shall become effective upon approval by the majority of the Board, and shall be on file in the office of the code official, and shall be available to the public upon request.

110.4 Boiler operator certificate of competency. The operation of boilers or steam generators which are generating saturated steam in a pressure range of fifteen psig minimum to one hundred and fifty psig maximum each of which boilers has not more than one hundred square feet of rated heating surface shall be at all times in the charge of a certified Boiler Operator. Application for a Boiler Operator’s Certificate of Competency is to be made to the code official or duly authorized representative. The code official upon finding that the applicant is thoroughly familiar with the operational principles which concern the safety and care of the boiler or steam generator, shall issue to such applicant a Boiler Operator Certificate of Competency. The certificate is issued for work at a single specific location as designated on the application and is not transferable. The fee for the examination shall be as listed in Table 110.9.

110.5 Licensing of stationary engineers required. All Stationary Engineers shall be licensed as to the class as set forth in Sections 110.5.1 through 110.5.4.

110.5.1 Licensing of operators of boilers or steam generators, less than 1500 square foot of heating surface. Any boiler or steam generator which has not more than 1500 square feet of rated heating surface, and which is rated to generate steam at pressures between fifteen psig and three hundred psig maximum or which is rated to generate hot water above 160 psig and 250° F to 300 psig, and associated equipment, shall be in the charge of an attending Class II or a Class I licensed Stationary Engineer, whenever in operation. Square footage shall be determined by the total input to a single header.

110.5.2 Licensing of operators of boilers or steam generators in excess of 1500 square feet of heating surface. Any boiler or steam generator producing saturated or superheated steam above 212° F in excess of fifteen psig having a rated heating surface in excess of one thousand five hundred square feet of hot water or any other liquid as defined in this code, or any boiler or steam generator producing saturated or superheated steam or any high temperature liquid above 212° F in excess of three hundred psig, regardless of rated heating surface, and any steam engine or steam turbine, associated with either of the said boilers or steam generators shall be in the charge of an attending Class I licensed Stationary Engineer, whenever in operation. Square footage shall be determined by the total input to a single header.

110.5.3 Licensing of operators of ammonia systems from 50 to 100 tons. Any ammonia system totaling between fifty tons and one hundred tons rated capacity shall be in the charge of an attending Class I or Class H licensed Stationary Engineer where located in any and all buildings, whenever in operation.

110.5.4 Licensing of operators of ammonia systems 100 tons and over. Any ammonia system totaling one hundred tons or more rated capacity shall be in the charge of an attending Class I licensed Stationary Engineer where located in any and all buildings, whenever in operation.

110.6 Stationary engineer’s license applications. The application for all classes of licenses shall be filed with the Secretary of the Board on the form prescribed by the Board of Stationary Engineers. Within a reasonable time, the Board shall examine all applicants who meet qualifications under Sections 110.6.1 thru 110.6.3 for the various classes of licenses in order to ascertain whether the applicants possess the knowledge, skill, ability and competency required for the class of license applied for, and for safe operation of various equipment. The Board shall issue to such applicants a license upon the Board finding that the applicant possesses the necessary qualifications and has successfully passed the required examination for the type of license sought.

110.6.1 Qualifications for stationary engineer, class I. All applicants for a Class I Stationary Engineer’s License shall be a citizen of the United States, shall have made application for such citizenship, or shall be authorized to hold employment by the Immigration and Naturalization Service. The applicant shall be at least twenty-one years of age and shall have had at least two years of training under a Class I licensed Stationary Engineer or equivalent training, or shall be registered with the Missouri State Board of Registration for Architects and Professional Engineers as an Engineer or as an Engineer in Training, and shall have been actually employed in the engineering or research division of a power generating plant in an engineering capacity for a minimum of twelve months.

The Board may accept twelve months of formal training by a nationally recognized agency in lieu of experience. The applicant shall demonstrate their knowledge, skill, ability and competency to the Board to operate boilers or steam generators of any size or capacity rating which are generating saturated or superheated steam at any pressure in excess of fifteen psig, or hot water or any other liquid as defined in this code, and ammonia systems in excess of one hundred tons capacity, and to operate associated power plant components and auxiliaries, such as steam turbines, engines, air compressors, ammonia systems, pumps, and feed water heaters, electric generators and other equipment.

110.6.2 Qualifications for stationary engineer, class II. All applicants for a Class II Stationary Engineer’s License shall be a citizen of the United States, shall have made application for such citizenship, or shall be authorized to hold employment by the Immigration and Naturalization Service and shall be at least nineteen years of age. The applicant shall have had at least one year’s experience in the operations of steam boilers or steam generators under the supervision of a Class I or Class II Stationary Engineer or equivalent training, or shall have had one year’s experience in maintenance work on steam boilers, steam generators and/or steam engines or steam turbines and/or ammonia systems in excess of fifty tons capacity or shall be registered with the Missouri State Board of Registration for Architects and Professional Engineers as an Engineer or as an Engineer in Training. The Board may accept twelve months of formal training by a nationally recognized agency in lieu of experience. The applicant shall demonstrate their knowledge, skill, ability and competency to the Board to operate boilers or steam generators which have not more than one thousand five hundred square feet of rated heating surface and which are generating saturated or superheated steam in a pressure range of fifteen psig minimum to three hundred psig maximum, or hot water or any other liquid as defined in this code and to operate associated compressors, ammonia compressors, pumps, and feed water heaters, electric generators and other equipment.

110.6.3 Qualifications for Stationary Engineer, Class II Restricted. The Board of Stationary Engineers shall be permitted to license applicants for a Stationary Engineer’s License as Class II Restricted Stationary Engineers upon finding that the applicant is thoroughly familiar with the operating principals which concern the safety and care of the boiler or steam generator. The Class II Restricted Stationary Engineer’s License is issued for work at a specific location as designated on the application and is not transferable.

110.7 Examination (all classes) for stationary engineers. The examination for a Class II Stationary Engineer’s License shall be oral. The examination for Class I Stationary Engineer’s License shall be both oral and written, provided that the applicant shall attain a predetermined percentage as set by the Board of Stationary Engineers in the written examination before the applicant becomes eligible for the oral examination. The written examination must be completed within six months from the date of application. If the applicant does not pass either the oral or written examination the applicant shall wait ninety days before filing a new application.

110.8 Temporary operation by unlicensed persons. In cases of emergency, and with the approval of the code official, an owner or steam user may appoint a trustworthy experienced person, familiar with the operation of the plant, as a temporary operator in plants where licensed operators are required by this code.

110.8.1 Permit to operate. Before a designated person can operate the plant, the code official or duly appointed representative, shall be notified. An inspection of the plant shall be made to determine the fitness of the appointed operator. If such person is found to be fit, a permit shall be issued by the code official for such person to operate the plant on a temporary basis; such permit shall be issued for no longer than thirty days. After issuance of the permit, inspection of the plant thereafter shall be on a daily basis as long as the operator remains in the temporary classification. An inspection fee shall be charged per inspection to the owner or steam user payable upon receipt of bill; total cost to be determined at the conclusion of the daily inspections. See Table 110.9 for fee schedule.

110.8.2 Application for license. Within three working days after permission is granted, the designated operator shall make application to the Board of Stationary Engineers for examination for the class license required for the plant. Application and examination shall be in accordance with the provisions of Section 110.6. In the case of a Class I examination the applicant shall complete the written portion of the examination within fourteen days. Both written and oral parts of the examination shall be completed so that the applicant’s qualifications for licensing shall be determined within the thirty day period of emergency operation. If the Board of Stationary Engineers determine that the applicant has failed the examination, the applicant’s permit to operate on a temporary basis shall be revoked immediately and such person shall not be eligible for reappointment as a temporary operator until the examination has been passed.

110.9 Licenses and fees. At the time of the filing of the application, each applicant for a Boiler Operator Certificate of Competency or Stationary Engineer’s License, shall pay to the Secretary of the Board of Stationary Engineers a filing fee as set forth in Table 110.9, to cover the cost of the examination given under the provisions of this section. Provided, further, that under no conditions shall said sum, or any part thereof, be refunded if the applicant fails to pass the examination or if the applicant fails to complete the written examination within the prescribed time limit as set by the Board of Stationary Engineers. All monies received by the secretary shall be paid to the City Treasurer. All applicants passing the examination for a Class I or Class II Stationary Engineer’s License shall be presented, upon the passage of such examination, with a Stationary Engineer’s License for the class for which they have been licensed. All licenses shall be issued for a period of one year from the date of issuance and shall be renewed each year. The fee for licenses renewal shall be as specified in Table 110.9.

Table 110.9

License Fees

Board of Stationary Engineers

Item	Fee	Duration	Remarks and Requirements
Stationary Engineer’s License
Examination and Application Fee
Class I	$ 15.00
Class II	$ 15.00
Renewal Fee
Class I	$ 15.00	1 year
Class II	$ 10.00	1 year
Boiler Operators Certificate of Competency			Includes initial certification issued for one year from date
Examination Fee	$ 8.00
Renewal	$ 8.00	1 year
Temporary Boiler Plant Operator			Issued for up to 30 days
Permit--per day	$100.00

110.9.1 License to be displayed. At all times when boilers, steam generators or associated equipment are in use and are operating, there shall be in charge and attendance a licensed Stationary Engineer of the class designated in Sections 110.5.1 thru 110.5.4. The license shall be displayed in some prominent place where the boilers, steam generators and associated equipment are in use and any licensed Stationary Engineer shall be negligent in the performance of their duties, should they fail to display the license or have an invalid license on display while in attendance of boilers, steam generators and associated equipment in their charge and in operation.

110.9.2 Renewal. Boiler Operator Certificates of Competency and Stationary Engineer’s Licenses shall be renewed annually by the Board of Stationary Engineers upon payment of an annual renewal fee. The Board of Stationary Engineers shall have the power to revoke such certificate or license for cause.

110.9.3 Notice of change of employment. Every Stationary Engineer or Boiler Operator regulated under the provisions of this section is required to notify the Secretary of the Board of Stationary Engineers, within forty-eight hours thereafter, when they accept or leave employment as a Stationary Engineer or Boiler Operator and to submit the name of their new employer.

110.10 Penalty. Any owner or steam user of a boiler, steam generator or associated equipment who shall neglect or refuse to employ a licensed Stationary Engineer of the class designated in Section 110.5, or who allows any unlicensed person to be in charge and attendance of boilers, steam generator or associated equipment requiring a licensed Stationary Engineer, except as provided for in section 110.8, shall, upon conviction thereof, be penalized as set forth in Section 25.03.730.

110.10.1 Penalty for violation by operators. Any licensed Class II Stationary Engineer or certified Boiler Operator who shall be in charge and attending the operation of a boiler, steam generator or associated equipment in excess of the legal size and capacity, shall. upon conviction thereof, be penalized as set forth in Section 25.03.730. In addition to such fine, the License of such Stationary Engineer or the Certificate of Competency of the Boiler Operator shall be suspended for a period not to exceed ninety days or revoked as determined by the Board of Stationary Engineers.

110.10.2 Suspension of license. The Board of Stationary Engineers shall order the suspension for not exceeding ninety days, or revocation of a Stationary Engineer License or Boiler Operator Certificate of Competency of any person regulated under the provisions of this section where the Board, after a public hearing, finds that the licensee is addicted to drugs or alcohol, or was under the undue influence of drugs or alcohol while in attendance and performing their duties as a licensed Stationary Engineer or certified Boiler Operator, or has been negligent in the performance of their duties while in attendance of the equipment for which they are licensed so as to endanger the lives and property of persons in the immediate area of such equipment; provided further that such person shall be given a ten day notice of the time and place of such hearing. Such person may be represented by counsel at such hearing before such Board. The Board of Stationary Engineers, at their discretion, may order a new examination for applicants for reinstatement of a license or certificate suspended or revoked under the provisions of this section.

The Board of Stationary Engineers shall also order the suspension for a period not to exceed thirty days, of the Stationary Engineer’s License or Boiler Operator Certificate of Competency of any person licensed under the provisions of this section, where the Board, after a public hearing, shall find that the licensee has failed to comply with the provisions of this section. Such person shall be given a ten day notice of such hearing and may be represented by counsel at such hearing.

110.11 Failure to comply. Any owner or steam user who fails to comply with the above provisions of this code shall be in violation of this code and the code official shall and is hereby directed to consider the plant unsafe and officially seal the plant out of service.

(Ord. 65926 § 1, 2003: prior: Ord. 65021 § 3 (part), 2000.)

25.03.025 Section 201.3--Amended.

Change Section 201.3 to read as follows:

201.3 Terms defined in other codes. Where terms are not defined in this code and are defined in the building code, electrical code, fire code, International Fuel Gas Code or the plumbing code, such terms shall have meanings ascribed to them as in those codes.

(Ord. 65021 § 3 (part), 2000.)

25.03.030 Section 202--Amended.

Modify Section 202 by the alteration of the following definitions:

BASE FLOOD ELEVATION. A reference point, determined in accordance with the building code, based on the depth or peak elevation of flooding, including wave height, which has a 1 percent (100-year flood) or greater chance of occurring in any given year.

BUILDING CODE. The building code adopted by the City of St. Louis.

ELECTRICAL CODE. The electrical code adopted by the City of St. Louis.

FIRE CODE. The fire code adopted by the City of St. Louis.

FLEXIBLE AIR CONNECTOR. A flexible air duct not having certain flame penetration, puncture and impact tests.

FLEXIBLE AIR DUCT. A flexible air duct tested in accordance with Underwriters Laboratory’s Standard for Factory made Duct Materials, UL-181, and installed in accordance with the conditions of its UL listing. Separate installation limitations for flexible air connectors and flexible air ducts are identified in NFPA Standard 90A.

HAZARDOUS LOCATION. Any location considered to be a fire hazard for flammable vapors, dust, combustible fibers or other highly combustible substances. The location is not necessarily categorized in the building code as a high-hazard use group classification.

PLUMBING CODE. The plumbing code adopted by the City of St. Louis.

Portable Cooking Appliance. A single non-permanent cooking appliance (not attached with screws, clamps or other fastening devices) which is electrically cord and plug connected and/or gas-fired using listed and labeled gas convenience outlets used in conjunction with listed and labeled gas appliance connectors. A portable cooking appliance shall be counter- or table-top mounted; shall be less than 2 feet (610 mm) in any dimension; and shall weigh less than 100 pounds (454 kg). The owner or operator of a portable cooking appliance shall be able to provide the Mechanical Inspection Section with manufacturer’s information documenting the above information.

Safety Valve. A valve that relieves pressure in a closed system by opening fully at the rated discharge pressure. The valve is of the spring-pop type.

Workmanlike. Executed in a skilled manner, e.g., generally plumb, level, square, in line, undamaged and without marring adjacent work.

(Ord. 65021 § 3 (part), 2000.)

25.03.035 Section 301.2--Amended.

Change Section 301.2 to read as follows:

301.2 Energy Utilization. Heating, ventilating and air-conditioning systems of all structures shall be designed and installed for efficient utilization of energy in accordance with Chapter 13 of the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.040 Sections 301.7 and 301.8--Amended.

Change Sections 301.7 and 301.8 to read as follows:

301.7 Electrical. Electrical wiring, controls and connections to equipment and appliances regulated by this code shall be in accordance with the electrical code.

301.8 Plumbing connection. Potable water supply and building drainage system connections to equipment and appliances regulated by this code shall be in accordance with the plumbing code.

(Ord. 65021 § 3 (part), 2000.)

25.03.045 Section 301.12--Amended.

Change Section 301.12 to read as follows:

301.12 Wind resistance. Mechanical equipment, appliance and support that are exposed to wind shall be designed and installed to resist the wind pressures determined in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.050 Section 301.13--Amended.

Change Section 301.13 to read as follows:

301.13 Flood hazard. For structures located in a special flood-hazard area, mechanical systems shall comply with the flood-resistant construction requirements of the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.055 Section 301.15--Amended.

Change Section 301.15 to read as follows:

301.15 Rodent proofing. Buildings or structures and the walls enclosing habitable or occupiable rooms and spaces in which persons live, sleep or work, or in which feed, food or foodstuffs are stored, prepared, processed, served or sold, shall be constructed to protect against the entrance of rodents in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.060 Section 301.16--Amended.

Change Section 301.16 to read as follows:

301.16 Seismic resistance. When earthquake loads are applicable in accordance with the building code, mechanical system supports shall be designed and installed for the seismic forces in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.065 Section 301.17--Added.

Add Section 301.17 to read as follows:

301.17 Annual Inspections. All mechanical equipment shall be inspected annually by the code official. Satisfactory conditions shall be denoted by the attachment of an approval sticker to the equipment.

Exceptions:

1. Mechanical equipment in Use Group R-3,

2. Refrigeration equipment of less than 15 tons capacity

3. Kitchen exhaust equipment.

(Ord. 65021 § 3 (part), 2000.)

25.03.070 Section 302.1--Amended.

Change Section 302.1 to read as follows:

302.1 Structural safety. The building or structure shall not be weakened by the installation of mechanical systems. Where floors, walls, ceiling or any other portion of the building or structure are required to be altered or replaced in the process of installing or repairing any system, the building or structure shall be left in a safe structural condition in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.075 Section 302.2--Amended.

Change Section 302.2 to read as follows:

302.2 Penetrations of floor/ceiling assemblies and fire-resistance-rated assemblies. Penetrations of floor/ceiling assemblies and assemblies required to have a fire-resistance rating shall be protected in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.080 Section 302.5--Added.

Add Section 302.5 to read as follows:

302.5 Stud Guards. When the edge of bored holes is less than one inch (25 mm) from the edge of a stud or joist, and when notched studs or joists are covered, stud guards shall be installed to protect service lines from fastener damage.

(Ord. 65021 § 3 (part), 2000.)

25.03.085 Section 303.3--Amended.

Change Section 303.3 to read as follows:

303.3 Prohibited Locations. Fuel-fired appliances shall not be located in, or obtain combustion air from, any of the following rooms or spaces:

1. Sleeping rooms.

2. Bathrooms.

3. Toilet rooms.

4. Storage closets.

5. Surgical rooms.

Exception: This section shall not apply to the following appliances:

1. Direct-vent appliances that obtain all combustion air directly from the outdoors.

2. Solid fuel-fired appliances and fireplaces, provided that the room is not a confined space and the building is not of unusually tight construction.

3. Appliances installed in a dedicated enclosure in which all combustion air is taken directly from the outdoors, in accordance with Section 703. Access to such enclosure shall be through a solid door, weather stripped in accordance with the exterior door air leakage requirements of Chapter 13 of the building code and equipped with an approved self-closing device.

(Ord. 65021 § 3 (part), 2000.)

25.03.090 Section 303.5--Amended.

Change Section 303.5 to read as follows:

303.5 Indoor locations. Fuel fired furnaces and boilers installed in closets and alcoves shall be listed for such installation. For purposes of this section, a closet or alcove shall be defined as a room or space having a volume less than 12 times the total volume of fuel-fired appliances other than boilers and less than 16 times the total volume of boilers. Room volume shall be computed using the gross floor area and the actual ceiling height up to a maximum computation height of 8 feet (2438 mm). Closets used for the installation of fuel-fired appliances shall not be used for storage.

(Ord. 65021 § 3 (part), 2000.)

25.03.095 Section 303.7--Amended.

Change Section 303.7 to read as follows:

303.7 Pit locations. Appliances installed in pits or excavations shall not come in direct contact with the surrounding soil. The sides of the pit or excavation shall be held back a minimum of 12 inches (305 mm) from the appliance except where additional space is required for servicing or maintenance. Where the depth exceeds 12 inches (305 mm) below adjoining grade, the walls of the pit or excavation shall be lined with concrete or masonry extending a minimum of 4 inches (102 mm) above adjoining grade having sufficient lateral load bearing capacity to resist collapse. The appliance shall be protected from flooding in an approved manner.

(Ord. 65021 § 3 (part), 2000.)

25.03.100 Section 304.5--Amended.

Change Section 304.5 to read as follows:

304.5 Private garages. Appliances located in private garages shall be installed with a minimum clearance of 8 feet (2439 mm) above the finish floor.

Exception: The requirements of this section shall not apply where the appliances are protected from motor vehicle impact and installed in accordance with Section 304.3 and NFPA 88B.

(Ord. 65021 § 3 (part), 2000.)

25.03.105 Section 304.6--Amended.

Change Section 304.6 to read as follows:

304.6 Construction and Protection. Boiler rooms and furnace rooms shall be protected as required by the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.110 Section 304.9--Amended.

Change Section 304.9 to read as follows:

304.9 Guards. Guards shall be provided where appliances, equipment, fans or other components that require service are located within 10 feet (3048 mm) of a roof edge or open side of a walking surface and such edge or open side is located more than 30 inches (762 mm) above the floor, roof or grade below. The top of the guard shall be located not less than 42 inches (1067 mm) above the elevated surface adjacent to the guard. The guard shall be constructed so as to prevent the passage of a 21-inch-diameter (533 mm) sphere and shall comply with the loading requirements for guards specified in the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.115 Section 304.11--Added.

Add Section 304.11 to read as follows:

304.11 Equipment guards. Pulleys, belts, gears and similar equipment shall be protected by an approved guard.

(Ord. 65021 § 3 (part), 2000.)

25.03.120 Section 306.1.1--Amended.

Change Section 306.1.1 to read as follows:

306.1.1 Central furnaces. Central furnaces within compartments or alcoves shall have a minimum working space clearance as specified by the manufacturer but not less than 3 inches (76 mm) along the sides, back and top with a total width of the enclosing space being at least 12 inches (305 mm) wider than the furnace. Furnaces having a firebox open to the atmosphere shall have at least 6 inches (152 mm) working space along the front combustion chamber side. Combustion air openings at the rear or side of the compartment shall comply with the requirements of Chapter 7.

Exception: This section shall not apply to appliances installed in existing compartments and alcoves where the working space clearances are in accordance with the equipment or appliance manufacturer’s installation instructions.

(Ord. 65021 § 3 (part), 2000.)

25.03.125 Section 306.3--Amended.

Change Section 306.3 to read as follows:

306.3 Appliances in attics. Attics containing appliances requiring access shall be provided with an opening and unobstructed passageway large enough to allow removal of the largest appliance, but not less than 30 inches (762 mm) high and 30 inches (762 mm) wide and not more tha