DaimlerChryslerConstruction Standards

12/17/04

Copyright 1999, The American Institute of Architects (AIA)

SECTION 07841 - THROUGH-PENETRATION FIRESTOP SYSTEMS

PART 1 - GENERAL

1.1SUMMARY

  1. This Section includes through-penetration firestop systems for the following types of fire-resistance-rated assemblies:

Adjust list below to suit Project.

  1. Floors.
  2. Walls and partitions.
  3. Smoke barriers.
  4. Construction enclosing compartmentalized areas.

List below only products and construction that the reader might expect to find in this Section but are specified elsewhere.

  1. Related Sections include the following:
  2. Division15 Sections specifying duct and piping penetrations.
  3. Division16 Sections specifying cable and conduit penetrations.

1.2PERFORMANCE REQUIREMENTS

  1. F-Ratings: Provide firestop systems with F-ratings equaling or exceeding fire-resistance rating of constructions penetrated as determined per ASTME814.
  2. T-Ratings: Provide firestop systems with T-ratings required, as well as F-ratings, determined per ASTME814, where systems protect penetrating items with potential to contact adjacent materials in occupiable floor areas including, but not limited, to the following:
  3. Penetrations located outside wall cavities.
  4. Penetrations located outside fire-resistive shaft enclosures.
  5. Penetrations located in construction containing fire-protection-rated openings.
  6. Penetrating items larger than 4-inch-diameter nominal pipe or 16 sq. in. in overall cross-sectional area.
  7. For firestop systems exposed to view, traffic, moisture, and physical damage, provide products that after curing do not deteriorate when exposed to these conditions both during and after construction.

Subparagraphs below are some examples of special requirements. Delete those not applicable; insert other special requirements applicable to Project.

  1. For piping penetrations for plumbing and wet-pipe sprinkler systems, provide moisture-resistant firestop systems.
  2. For floor penetrations with annular spaces exceeding 4 inches in width and exposed to possible loading and traffic, provide firestop systems capable of supporting floor loads involved either by installing floor plates or by other means.
  3. For penetrations involving insulated piping, provide firestop systems not requiring removal of insulation.
  1. For through-penetration firestop systems exposed to view, provide products with flame-spread indices of less than 25 and smoke-developed indices of less than 450, when tested per ASTME84.

1.3SUBMITTALS

  1. Product Data: For each product indicated.
  2. Shop Drawings: Include details of installation and design designation of testing and inspecting agency acceptable to authorities having jurisdiction that evidences compliance with requirements for each condition indicated.
  3. Product certificates and test reports.

1.4QUALITY ASSURANCE

ASTM E 814 requires a pressure differential of 0.01-inch wg (2.5 Pa). Revise first paragraph below if a different pressure differential is required.

Delete paragraph above or below. Before retaining below, verify with manufacturers selected that they will comply with requirements specified below and that qualified installers are available to perform work in Project location.

  1. Installer Qualifications: An experienced installer who is qualified by having the necessary experience, staff, and training to install manufacturer's products per specified requirements. A manufacturer's willingness to sell its through-penetration firestop system products to Contractor or to an installer engaged by Contractor does not in itself confer qualification on buyer.
  2. Source Limitations: Obtain through-penetration firestop systems, for each kind of penetration and construction condition indicated, from a single manufacturer.
  3. Fire-Test-Response Characteristics: Provide through-penetration firestop systems that comply with the following requirements and those specified in "Performance Requirements" Article:

Retain or insert agency names below that are acceptable and that correspond with agencies whose designations are indicated in the Through-Penetration Firestop System Schedule at end of Part3 or on Drawings.

  1. Firestopping tests are performed by a qualified testing and inspecting agency. A qualified testing and inspecting agency is UL or another agency performing testing and follow-up inspection services for firestop systems acceptable to authorities having jurisdiction.

Revise subparagraph below if a different pressure differential is required from the 0.01 inch wg 2.5 Pa specified in ASTM E 814.

  1. Through-penetration firestop systems are identical to those tested per ASTME814. Provide rated systems complying with the following requirements:.
  2. Through-penetration firestop system products bear classification marking of qualified testing and inspecting agency.
  3. Through-penetration firestop systems correspond to those indicated by reference to through-penetration firestop system designations listed in the UL in "Fire Resistance Directory."

Delete below if work of this Section is not extensive or complex enough to justify a preinstallation conference.

  1. Preinstallation Conference: Conduct conference at Project.
  2. Coordinate sizing of sleeves, openings, core-drilled holes, or cut openings to accommodate firestop systems.

1.5PROJECT CONDITIONS

  1. Environmental Limitations: Do not install through-penetration firestop systems when ambient or substrate temperatures are outside limits permitted by through-penetration firestop system manufacturers or when substrates are wet due to rain, frost, condensation, or other causes.
  2. Ventilate through-penetration firestop systems per manufacturer's written instructions by natural means or, where this is inadequate, forced-air circulation.

1.6COORDINATION

  1. Coordinate construction of openings and penetrating items to ensure that through-penetration firestop systems are installed according to specified requirements.
  2. Coordinate sizing of sleeves, openings, core-drilled holes, or cut openings to accommodate through-penetration firestop systems.
  3. Notify manufacturer's representative at least seven days in advance of through-penetration firestop system installations; confirm dates and times on days preceding each series of installations.
  4. Do not cover up through-penetration firestop system installations that will become concealed behind other construction until manufacturer's representative and building inspector, if required by authorities having jurisdiction, have examined each installation.

PART 2 - PRODUCTS

2.1FIRESTOP SYSTEMS

  1. Silicone containing products are not allowed.
  2. Compatibility: Provide firestop systems that are compatible with the substrates forming openings, and with the items, if any, penetrating firestop systems, under conditions of service and application, as demonstrated by manufacturer based on testing and field experience.
  3. Accessories: Provide accessories required to install fill materials that comply with requirements of tested assemblies, are approved by qualified testing and inspecting agency that performed testing, and are specified by manufacturer of tested assemblies. Accessories include, but are not limited to, the following:

Delete accessories below not required for firestop systems required for Project.

  1. Permanent forming/damming/backing materials.
  2. Slag-/rock-wool-fiber insulation.
  3. Sealants used in combination with other forming/damming/backing materials to prevent leakage of fill materials in liquid state.
  4. Fire-rated form board.
  5. Fillers for sealants.
  6. Temporary forming materials.
  7. Substrate primers.
  8. Collars.
  9. Steel sleeves.
  10. Provide escutcheons to cover penetrations that are exposed in finished, occupied areas unless otherwise included in the UL System design or specified as work of other sections. Escutcheons are not required for unexposed areas, such as chases, inside walls, and alike, unless part of the UL Classified assembly.

2.2MIXING

Delete this Article if no products are specified that require mixing before application.

  1. For those products requiring mixing before application, comply with through-penetration firestop system manufacturer's written instructions for accurate proportioning of materials, water (if required), type of mixing equipment, selection of mixer speeds, mixing containers, mixing time, and other items or procedures needed to produce products of uniform quality with optimum performance characteristics for application indicated.

PART 3 - EXECUTION

3.1EXAMINATION

  1. Examine substrates and conditions, with Installer present, for compliance with requirements for opening configurations, penetrating items, substrates, and other conditions affecting performance.
  2. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2PREPARATION

  1. Surface Cleaning: Clean out openings immediately before installing through-penetration firestop systems to comply with written recommendations of firestop system manufacturer and the following requirements:
  2. Remove from surfaces of opening substrates and from penetrating items foreign materials that could interfere with adhesion of through-penetration firestop systems.
  3. Clean opening substrates and penetrating items to produce clean, sound surfaces capable of developing optimum bond with through-penetration firestop systems. Remove loose particles remaining from cleaning operation.
  4. Remove laitance and form-release agents from concrete.

Delete below if applications indicated do not require masking tape.

  1. Masking Tape: Use masking tape to prevent through-penetration firestop systems from contacting adjoining surfaces that will remain exposed on completion of Work and that would otherwise be permanently stained or damaged by such contact or by cleaning methods used to remove smears from firestop system materials. Remove tape as soon as possible without disturbing firestop system's seal with substrates.

3.3INSTALLATION

  1. General: Install through-penetration firestop systems to comply with "Performance Requirements" Article and firestop system manufacturer's written installation instructions and published drawings for products and applications indicated.
  2. Clean openings immediately before installing firestop systems.
  3. Remove foreign materials that could interfere with adhesion of firestop systems.
  4. Remove laitance and form-release agents from concrete.
  5. Produce clean, sound surfaces capable of developing optimum bond with firestop systems. Remove loose particles remaining from cleaning operation.
  6. Priming: Prime substrates when recommended in writing by firestop system manufacturer using that manufacturer's recommended products and methods. Confine primers to areas of bond; do not spill primers or allow them to migrate onto adjoining surfaces.
  7. Masking Tape: Use masking tape where required to prevent contact of firestopping with adjoining surfaces that otherwise would be permanently stained or damaged by such contact or by cleaning methods required to remove firestopping smears. Remove tape immediately after installation without disturbing firestopping seal.
  8. Accessories: Install accessories of types required to support fill materials during their application and in the position necessary to produce cross-sectional shapes and depths required to achieve fire ratings indicated.
  9. After installing fill materials, remove combustible forming materials and other accessories that are not permanent components of firestop systems.
  10. Install fill materials for firestop systems by proven techniques.
  11. Fill voids and cavities formed by openings, forming materials, accessories, and penetrating items as required to achieve fire-resistance ratings indicated.
  12. Apply materials so they contact and adhere to substrates formed by openings and penetrating items.
  13. For fill materials that will remain exposed after completing Work, finish to produce smooth, uniform surfaces that are flush with adjoining finishes.

Delete first paragraph and subparagraphs below if labels are not required. Revise if labeling is limited to selected applications.

  1. Identification: Identify firestop systems with pressure-sensitive, self-adhesive, preprinted vinyl labels. Attach labels permanently to surfaces of penetrated construction on both sides of each firestop system installation where labels will be visible. Include the following information on labels:
  2. The words: "Warning--Through-Penetration Firestop System--Do Not Disturb. Notify Facilities Engineering of Any Damage."
  3. Contractor's name, address, and phone number.
  4. Through-penetration firestop system designation of applicable testing and inspecting agency.
  5. Date of installation.
  6. Firestop system manufacturer's name.
  7. Installer's name.
  8. Clean excess fill materials adjacent to openings as installation progresses by methods and with cleaning materials that are approved in writing by manufacturers and that do not damage materials in which openings occur.

3.4FIELD QUALITY CONTROL

Delete this Article if Owner will not engage an inspecting agency to examine firestop systems.

  1. Testing Agency: Owner may engage a qualified independent testing and inspecting agency to perform field tests and inspections and to prepare test reports.
  2. Notify Owner's inspecting agency at least seven days in advance of firestop system installations; confirm dates and times on days preceding each series of installations.
  3. Do not cover up firestop system installations that will become concealed behind other construction until inspecting agency and building inspector, if required by authorities having jurisdiction, have examined each installation.
  4. Inspecting agency will state in each report whether inspected firestop systems comply with or deviate from requirements.
  5. Enclosing firestop systems with other construction only after inspection reports are issued.
  6. Where deficiencies are found, repair or replace firestop systems to comply with requirements.

3.5THROUGH-PENETRATION FIRESTOP SYSTEM SCHEDULE

Delete this article if UL or ITS designations are exclusively indicated on Drawings.

  1. Where UL-classified systems are indicated, they refer to the alpha-alpha-numeric designations listed in UL's "Fire Resistance Directory" under product Category XHEZ.
  2. Firestop Systems with No Penetrating Items: Comply with the following:
  3. UL-Classified Systems: C-AJ-0001-0999, F-A-0001-0999, W-J-0001-0999, or WL0001-0999.
  4. Type of Fill Materials: Latex sealant or intumescent putty.
  5. Firestop Systems for Metallic Pipes, Conduit, or Tubing: Comply with the following:
  6. UL-Classified Systems: C-AJ-1001-1999, F-A-1001-1999, W-J-1001-1999, or WL1001-1999.
  7. Type of Fill Materials: Latex sealant or intumescent putty.
  8. Firestop Systems for Nonmetallic Pipe, Conduit, or Tubing: Comply with the following:
  9. UL-Classified Systems: C-AJ20012999, F-A20012999, W-J20012999, or W20012999.
  10. Type of Fill Materials: Latex sealant, intumescent putty, intumescent wrap strips, or firestop device.
  11. Firestop Systems for Electrical Cables: Comply with the following:
  12. UL-Classified Systems: C-AJ-30013999, F-A-30013999, W-J-30013999, or WL30013999.
  13. Type of Fill Materials: Latex sealant, or intumescent putty.
  14. Firestop Systems for Cable Trays: Comply with the following:
  15. UL-Classified Systems: C-AJ-40014999, F-A-40014999, W-J-40014999, or WL40014999.
  16. Type of Fill Materials: Intumescent putty, or pillows/bags.
  17. Firestop Systems for Insulated Pipes: Comply with the following:
  18. UL-Classified Systems: C-AJ-50015999, F-A-50015999, W-J-50015999, or WL50015999.
  19. Type of Fill Materials: Intumescent wrap strips.
  20. Firestop Systems for Miscellaneous Electrical Penetrants: Comply with the following:
  21. UL-Classified Systems: C-AJ-60016999, F-A-60016999, W-J-6001-6999, or WL60016999.
  22. Type of Fill Materials: Latex sealant, or intumescent putty.
  23. Firestop Systems for Miscellaneous Mechanical Penetrations: Comply with the following:
  24. UL-Classified Systems: C-AJ-7001-7999, FA7001-7999, W-J-7001-7999, or WL7001-7999.
  25. Type of Fill Materials: Latex sealant.
  26. Firestop Systems for Groupings of Penetrations: Comply with the following:
  27. UL-Classified Systems: C-AJ-80018999, F-A-80018999, W-J-80018999, or WL80018999.
  28. Type of Fill Materials: Latex sealant, intumescent wrap strips, firestop device or intumescent composite sheet.
  29. Firestop Systems for Top of Wall: Comply with the following:
  30. UL-Classified Systems: H-WD-1000 series.
  31. Type of Fill Materials: Latex elastomeric sealant, or latex elastomeric spray.
  32. Firestop Systems for Expansion/Contraction Joints and at Curtain Wall: Comply with the following:
  33. UL-Classified Systems: F-FD1000 series at floor to floor, F-WD 1000 series at floor to wall, WWD1000 series at wall to wall, or C-EJ1000 series at slab to curtain wall.
  34. Type of Fill Materials: Latex elastomeric sealant, or latex elastomeric spray.

END OF SECTION

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