Section 385-110-3-12 - Approved Building SystemIn order to obtain the certification required by 10 M.R.S. §9043(4), State-certified modular homes must be constructed according to an approved building system.
2.Submission for EvaluationA. A manufacturer shall submit to an authorized inspection agency for approval a building system that meets the requirements of Subchapter 3, Section 12(7).B. If the submission is found to be incomplete or unsuitable for evaluation, the applicant must be notified in writing of the incompleteness or deficiencies thereof within fifteen (15) calendar days of the date the building system was received. Any subsequent submission must be treated as a new application.C. If the submission is found to be suitable for evaluation, a complete evaluation must be performed within thirty (30) calendar days of the date the building system was received.Upon completion, the applicant must be notified in writing of the results of the evaluation.If the building system is disapproved, the notice must include the reasons for the disapproval and must inform the manufacturer of the time and manner in which an appeal to the Board may be taken pursuant to Subchapter 6.3.TestsThe authorized inspection agency may accept tests to determine whether a building system meets the requirements of these rules if that determination cannot be made from evaluation of plans, specifications, and documentation prepared in accordance with the applicable code, recognized standards, or currently accepted engineering practice.The building system test procedures used must be reviewed and evaluated by the inspection agency.
4.ApprovalApproval of building systems must be evidenced by the stamp and date of approval of the authorized inspection agency on each sheet of the approved building system, or by other effective means of identification.One copy of all approved plans, specifications, documentation, and a building system approval letter must be returned to the applicant.
5.Changes to Approved Building SystemAn approved building system may not be varied without prior approval by the authorized inspection agency.Amendments to the approved building system may be proposed by the submission of appropriate plans, specifications, or documentation to the authorized inspection agency for evaluation.All approved changes must be made a part of the written record of the approval.Such approval must be given in writing or be confirmed in writing withinten(10) calendar days of any oral authorization.
6.Suspension or Revocation of ApprovalThe authorized inspection agency may suspend or revoke approval of a building system whenever the approval was issued in error, was issued on the basis of incorrect information, or was issued in violation of this chapter.Notice of such suspension or revocation must be given to the manufacturer in writing.The notice must include the reasons for the suspension or revocation and must inform the manufacturer of the time and manner in which an appeal to the Board may be taken pursuant to Subchapter 6.The suspension or revocation may not go into effect until thirty(30) days after the manufacturer's receipt of the written notice and is automatically stayed until the Board's disposition of any appeal filed by the manufacturer.
7.Building System RequirementsA.OverviewThe building system consists of plans, specifications, calculations, test results, and other documents which describe in detail the product and manufacturing processes employed to produce State-certified modular homes.For the building system to be evaluated pursuant to Subchapter 3, Section 12(2), the information described in Subchapter 3, Section 12(7) (B-H)must be provided:
B.Form of Submission(1) All documents submitted with the application must be identified to indicate the manufacturer's name.(2) Plans must contain a separate schematic drawing for each specific system (e.g., plumbing, electrical, heating).(3) Structural connections and connection of systems, equipment, and appliances to be performed on-site must be identified, detailed, and distinguished from work to be performed in the manufacturing facility.(4) A set manual must show the method of interconnection between manufactured homes, and the location of connections.(5) Design calculations and/or test reports must be submitted when required by the authorized inspection agency.(6) Documents must indicate the location of the approved label.(7) Drawings must be dated and identified, and must include an index which can be used to determine that the package is complete.(8) Documents must provide or show, as appropriate, occupancy or use; area, height, and number of stories; type of construction; and loads (wind, floor, snow, and seismic).C.General Construction(1) Details and methods of installation of manufactured homes on foundations and/or to each other;(2) Floor plan(s) and typical elevation(s);(3) Cross sections necessary to identify major building components;(4) Details of flashing, such as at openings and at penetrations through roofs and subcomponent connections.Indicate flashing material and gauge to be used;(5) Attic access and attic ventilation, when required by code;(6) Exterior wall, roof, and soffit material;(7) Interior wall and ceiling material;(8) Barrier free provisions, if applicable;(9) Sizes, locations, and types of doors and windows; and(10) Suggested foundation plans, vents, and under floor access.D.Fire Safety(1) Details of fire rated assemblies, including reference listing or test report for all stairway enclosures, doors, walls, floors, ceiling, partitions, columns, roof, and other enclosures;(2) Means of egress, including details of aisles, exits, corridors, passageways, and stairway enclosures;(3) Flame spread and smoke developed classification of interior finish materials;(4) Location of required draft stops and firestops;(5) Opening protectives in fire resistance rated systems and assemblies; and(6) Drawings of fire suppression systems, standpipes, fire alarms, and detection systems, when required.E.Structural Detail(1) Calculations of structural members and/or test results, where appropriate, except where compliance can be demonstrated through code tables, accepted handbooks, and listing documents;(2) Details of structural elements, including framing details, spacing, size, and connections;(3) Grade, species, and specifications of materials;(4) Typical foundation plan and details, including details of reinforcing steel and assumed design soil bearing value;(5) Schedule of roof, floor, wind, and seismic loads upon which design is based; and(6) Column loads and column schedule.F.Mechanical Detail(1) Location of all equipment, appliances, and baseboard radiation units. Indicate equipment and appliance listing or labeling agencies.(2) Energy conservation calculations;(3) Indicate make, model number, and input/output rating of all equipment and appliances, as appropriate;(4) Duct and register locations, sizes, and materials, as appropriate;(5) Method of providing combustion air, if required; and(6) Location of flues, vents, and chimneys; and clearances from air intakes, combustible materials, and other vents and flues.G.Plumbing Detail(1) Schematic drawing of the plumbing layout, including but not limited to, size of piping; fittings; traps and vents; clean outs and valves; and gas, water, and drainage systems; and(2) Plumbing materials and location of all equipment, appliances, and safety controls to be used. Indicate the make, model, rating, and capacity of equipment and appliances.Indicate equipment and appliance listing or labeling agencies.H.Electrical Detail(1) Details of service equipment;(2) Method of grounding service equipment;(3) Load calculations for service and feeders;(4) Sizes of branch circuit conductors;(5) Size, rating, and location of main disconnect and overcurrent protective devices; and(6) Location of outlets, junction boxes, fixtures, and appliances.02-385 C.M.R. ch. 110, § 3-12