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- SECTION 08341
-
- ACOUSTICAL DOOR SYSTEMS
- NOTE ** This section is based on products of Krieger Steel
- Products, at the following addresses:
- NOTE ** Corporate Offices: 4880 Gregg Road
- NOTE ** Pico Rivera CA 90660
- NOTE ** Tel: 310-695-0645
- NOTE ** FAX: 310-692-0146
- NOTE ** Branch Offices:
- NOTE ** Seattle Office: Tel: 206-547-1382
- NOTE ** St. Louis Office: Tel: 314-993-9119
- NOTE ** Arizona Office: Tel: 602-834-0555
- NOTE **
- NOTE ** Krieger Steel Products also manufactures bullet-
- resistive steel door systems, sound control steel
- door systems, blast-resistant door systems, and
- stainless steel doors and frames.
- NOTE **
- NOTE ** SECTION 08341 - ACOUSTICAL DOOR SYSTEMS, Copyright
- 1996, The Architect's Catalog, Inc.
-
-
- PART 1 GENERAL
-
- 1.1 SECTION INCLUDES
- NOTE ** Delete items in the following paragraphs not
- required for project.
-
- A. Acoustical wood door assemblies.
-
- B. Acoustical steel door assemblies.
-
- 1.2 RELATED SECTIONS
- NOTE ** Delete any sections below not relevant to this
- project; add others as required.
-
- A. Section 08710 - Door Hardware.
-
- B. Section 08800 - Glazing.
-
- C. Section 09900 - Paints and Coatings.
-
- 1.3 REFERENCES
- NOTE ** Delete references from the list below that are not
- actually required by the text of the edited
- section.
-
- A. ANSI/NWWDA I.S.1. - Wood Flush Doors.
-
- B. ASTM A 366 - Standard Specification for Steel, Carbon,
- Cold-Rolled Sheet, Commercial Quality.
-
- C. ASTM A 569 - Standard Specification for Steel, Carbon,
- (0.15 Maximum Percent), Hot-Rolled Sheet and Strip,
- Commercial Quality.
-
- D. ASTM A 653/A 653M - Standard Specification for Steel
- Sheet, Zinc Coated (Galvanized) or Zinc-Iron Alloy-Coated
- (Galvannealed) by the Hot Dip Process.
-
- E. ASTM B 117 - Standard Method of Salt Spray (Fog) Testing.
-
- F. ASTM D 1735 - Standard Practice for Testing Water
- Resistance of Coating Using Water Fog Apparatus.
-
- G. ASTM E 90 - Standard Test Method for Laboratory
- Measurement of Airborne-Sound Transmission Loss of
- Building Partitions.
-
- H. ASTM E 336 - Standard Test Method for Measurement of
- Airborne Sound Insulation in Buildings.
-
- I. ASTM E 413 - Classification for Determination of Sound
- Transmission Class.
-
- J. HMMA 840 - Installation and Storage of Hollow Metal Doors
- and Frames; Hollow Metal Manufacturers Association.
-
- K. ISO 4586-2 - High Pressure Decorative Laminates;
- International Standards Organization.
-
- L. NEMA LD 3-1995 - High Pressure Decorative Laminates;
- National Electrical Manufacturers Association.
-
- 1.4 SYSTEM DESCRIPTION
-
- A. Design requirements: Acoustical door assemblies to
- include doors, frames, and door hardware to include
- gasketing systems, retainers and retainer covers,
- automatic or fixed door bottoms, cam-lift hinges,
- thresholds, and sills, required to achieve specified
- performance requirements.
- NOTE ** Insert Sound Transmission Class (STC) requirements
- (value 33-55) in the folllowing paragraph.
-
- B. Performance requirements: Sound Transmission Coefficient
- rating of STC __ for installed assembly, when tested as
- operable door assembly in accordance with ASTM E 90 and
- ASTM E 413.
-
- 1.5 SUBMITTALS
-
- A. Submit under provisions of Section 01300.
- NOTE ** Delete one of the following two paragraphs; first
- is for wood doors, second is for steel doors.
-
- B. Product data: Indicate door materials and construction;
- indicate veneer species, type and characteristics.
-
- C. Product data: Indicate door materials and construction.
-
- D. Shop drawings: Indicate door opening criteria,
- elevations, sizes, types, swings; identify and detail
- cutouts.
- NOTE ** Delete the following paragraph if door finish is
- selected in this section; delete the following two
- paragraphs if steel doors are specified.
-
- E. Selection samples: Two (2) sets samples of available
- door finishes, representing manufacturer's full range.
-
- F. Verification samples: Two (2) samples of door
- construction, 12 inches square in size, cut from corner
- of door.
-
- G. Quality assurance submittals:
- 1. Test Reports:
- a. Certified laboratory reports, performed in
- accordance with ASTM E90 and ASTM E 413, from
- independent testing laboratory qualified under
- the National Voluntary Laboratory Accreditation
- Program (NVLAP) supporting compliance of
- assemblies to specified requirements.
- b. Minimum five (5) field tests, performed in
- accordance with ASTM E 336 and ASTM E 413 by five
- separate independent testing agencies,
- substantiating acoustical performance when
- installed at no less than four (4) FSTC ratings
- below the specified STC rating.
- 2. Certificates:
- a. Contractor's certification that:
- 1) Products of this section, as provided, meet
- or exceed specified requirements.
- 2) Manufacturer of products of this section meet
- specified qualifications.
- 3. Manufacturer's instructions: Printed installation
- instructions for each component.
-
- H. Closeout submittals:
- 1. Warranty documents, executed by manufacturer in
- Owner's name.
- 2. Operation and maintenance data for assembly
- components.
- 3. Certified statement of manufacturer's authorized
- representative, as specified in FIELD QUALITY CONTROL
- Article of PART 3 of this section.
- 4. Certified test reports of independent testing agency,
- as specified in FIELD QUALITY CONTROL Article of PART
- 3 of this section.
-
- 1.6 QUALITY ASSURANCE
-
- A. Qualifications:
- 1. Manufacturer: Minimum five (5) years documented
- experience producing systems specified in this
- section.
- 2. Installer: Minimum five (5) years documented
- experience producing systems specified in this
- section, and approved by manufacturer.
-
- 1.7 DELIVERY, STORAGE, AND HANDLING
-
- A. Store frames in accordance with requirements of HMMA 840.
- NOTE ** Delete the following paragraph if specifying wood
- doors.
-
- B. Store steel doors in accordance with requirements of HMMA
- 840.
-
- C. Remove wraps or covers from doors and frames upon
- delivery at the building site; clean and touch-up
- scratches or disfigurement caused by shipping or handling
- promptly with rust inhibitive primer.
-
- D. Store units on planks or dunnage in a dry location; store
- doors in a vertical position spaced by blocking.
-
- E. Store units covered to protect them from damage, but
- permitting air circulation.
-
- 1.8 SCHEDULING
-
- A. Furnish manufacturer's mounting templates for door
- hardware specified in Section 08710 to manufacturer of
- products of this section in time for factory preparation
- for door hardware.
-
- PART 2 PRODUCTS
-
- 2.1 MANUFACTURERS
-
- A. Acceptable manufacturer: Krieger Steel Products, 4880
- Gregg Road, Pico Rivera CA 90660; Telephone 310-695-0645,
- FAX 310-692-0146.
- NOTE ** Delete one of the two Paragraphs below; coordinate
- with Division 01 requirements.
-
- B. Requests for substitutions will be considered in
- accordance with provisions of Section 01600.
-
- C. Substitutions: Not permitted.
-
- D. Unless otherwise specified for an individual product or
- material, supply all products specified in this section
- from the same manufacturer.
-
- 2.2 MATERIALS
-
- A. Steel sheet: One of the following:
- 1. Cold-rolled steel sheet conforming to ASTM A 366,
- commercial quality.
- 2. Hot-rolled steel sheet conforming to ASTM A 569,
- pickled and oiled, commercial quality.
-
- B. Galvanized steel sheet: ASTM A 653/A 653M, commercial
- quality, minimum G60 zinc coating.
-
- C. Acoustical material: Manufacturer's standard for
- required STC rating.
-
- D. Primer: Meeting ASTM B 117 salt spray for 150 hours, and
- ASTM D 1735 water fog test for organic coatings for 200
- hours.
-
- E. Glazing: Specified in Section 08800.
-
- 2.3 COMPONENTS
-
- A. Wood doors: 7-ply construction conforming to ANSI/NWWDA
- I.S.1, sizes indicated on Architect-approved shop
- drawings by 1-3/4 inches overall thickness, and as
- follows:
- 1. Horizontal edges, top and bottom: Softwood solid
- lumber, 3 inches wide by 1-3/8 inches thick.
- 2. Vertical edges: Hardwood, laminated construction,
- 1/2 inch wide by 1-3/8 inches thick.
- 3. Reinforce and mortise for fully-templated hardware.
- 4. Core: Acoustical material.
- NOTE ** Retain one of the following two paragraphs; edit
- sub-paragraphs for project requirements.
- 5. Veneer faces:
- a. Species: _______.
- b. Cut: _______.
- 6. Faces: Plastic laminate, nominal sheet thickness
- 0.050 inch, meeting performance requirements of NEMA
- LD 3 Standard GP50 and ISO Standard HGS.
- a. Color and pattern: ________.
- b. Color and pattern: Selected from manufacturer's
- full range of available colors and patterns.
-
-
- B. Steel doors: Fabricate in accordance with Architect-
- approved shop drawings, 1-3/4 inches minimum thickness,
- and as follows:
- 1. Face sheets:
- NOTE ** Edit the following two paragraphs for project
- requirements.
- a. Doors for interior use: Steel sheet, minimum 16
- gage sheet thickness.
- b. Doors for exterior use: Galvanized steel sheet,
- minimum 16 gage sheet thickness.
- c. Visible seams on face sheets not permitted.
- 2. Core:
- a. Stiffen face sheets with continuous vertical
- sections, formed of steel sheet, which, upon
- assembly, span full thickness of interior space
- between door faces.
- b. Spot-weld stiffeners to both face sheets.
- c. Fill spaces between stiffeners with acoustical
- material.
- 3. Vertical edges:
- a. Join face sheets at vertical edges by continuous
- welding:
- 1) Join door faces by continuous weld on each
- edge, extending full door height.
- 2) Grind, fill, and dress welds to provide
- smooth flush surface.
- b. Form edge profiles both vertical edges of doors
- with 1/8 inch in 2 inches bevel.
- c. Visible seams on vertical edges not permitted.
- 4. Horizontal edges:
- a. Close top and bottom edges of doors with
- continuous steel channels, 16 gage minimum; spot-
- weld channels to both door faces.
- b. Provide openings in bottom closure of exterior
- doors to permit escape of entrapped moisture.
- c. Provide additional flush closing channel at top
- and bottom edges of doors; spot-weld channel to
- both door faces.
- 5. Hardware preparation:
- a. Mortise, reinforce, drill, and tap doors at
- factory for fully templated mortised hardware
- only, in accordance with approved hardware
- schedule and supplied templates.
- b. Provide reinforcing plates at surface-mounted or
- non-templated hardware locations.
- NOTE ** Delete the following paragraph if no acoustical
- panels required.
-
- C. Acoustical panels: Same materials, construction, and
- finish as doors; sizes as indicated on Architect-approved
- shop drawings.
-
- D. Frames: Fabricate in accordance with Architect-approved
- shop drawings, and as follows:
- 1. Frames for interior use: Fabricate from steel sheet,
- minimum 14 gage thickness.
- 2. Frames for exterior use: Fabricate from galvanized
- steel sheet, minimum 14 gage thickness.
- 3. Form frame members straight, and of uniform profile
- through lengths, as welded units with integral trim,
- of sizes and profiles indicated.
- a. Weld contact edges of joints closed tight.
- b. Miter perimeter trim faces and weld continuously.
- 4. Stops:
- a. Where integral stops are indicated, form minimum
- 5/8 inch in depth.
- b. Butt stop joints.
- 5. When shipping limitations so dictate, fabricate
- frames for large openings in sections designed for
- assembly in the field; install alignment plates or
- angles, of same material and gage as frame, at each
- joint.
- 6. Hardware preparation:
- a. Mortise, reinforce, drill, and tap frames at
- factory for fully templated mortised hardware
- only, in accordance with Architect-approved shop
- drawings and supplied templates.
- b. Provide reinforcing plates at surface-mounted or
- non-templated hardware locations.
- 7. Floor anchors:
- a. Fabricate of same material as frame material;
- minimum 14 gage.
- b. Weld anchors inside each jamb for floor
- anchorage.
- 8. Jamb anchors:
- a. Fabricate of same material as frame material;
- weld anchors inside each jamb for wall anchorage.
- b. Provide anchor types for indicated adjacent wall
- construction:
- 1) Frames for installation in masonry walls:
- Adjustable jamb anchors, 16 gage, T-shape
- type.
- 2) Frames for installation in stud partitions:
- Continuous 16 gage steel channel to surround
- stud, welded inside each jamb.
- 9. Plaster guards: Fabricate from minimum 22 gage
- steel; weld in place at hardware mortises on frames
- to be set in plaster, masonry, or concrete openings.
- 10. Provide welded frames with temporary steel spreader
- welded to jamb feet for bracing during shipping and
- handling.
- NOTE ** Delete the following two paragraphs if vision lites
- not required.
-
- E. Vision lites:
- 1. Factory-assemble lites in doors indicated to have
- lites, using glazing materials and assembly methods
- indicated on approved shop drawings for required STC
- rating; field assembly not permitted.
- 2. Fabricate dual-glazed lites permitting individual
- removal of each glazing pane.
-
- F. Loose stops:
- 1. Fabricate of minimum 12 gage steel, with factory-
- drilled and countersunk holes for fasteners.
- 2. Form stops for mitered corner joints.
- 3. Supply cadmium-coated or zinc-coated fasteners, size
- and quantity required for fastener holes.
-
- G. Door hardware:
- 1. Supply gasketing systems, retainers, retainer covers,
- automatic door bottoms, fixed door bottoms, cam-lift
- hinges, thresholds, and sills as indicated on
- Architect-approved shop drawings, or specified in
- manufacturer's product data for project conditions,
- to achieve specified performance requirements.
- 2. All other door hardware is specified in Section
- 08710.
-
- 2.4 FINISHES
-
- A. Shop priming for door frames:
- 1. After fabrication, fill and sand tool marks and
- surface blemishes on both faces and both vertical
- edges smooth and free from irregularities.
- 2. Treat for paint adhesion, then apply primer to all
- accessible surfaces; allow to cure prior to shipment.
-
- 2.5 SOURCE QUALITY CONTROL
- NOTE ** Delete the following paragraph if wood doors not
- specified.
-
- A. Wood door fabrication tolerances: In accordance with
- ANSI/NWWDA I.S.1.
-
- B. Hardware location on doors and frames:
- 1. Hinges:
- a. Top: 5 inches from head of frame to top of
- hinge.
- b. Bottom: 10 inches from finished floor to bottom
- of hinge.
- 2. Unit and integral type locks and latches: 38 inches
- from finished floor to centerline of knob.
- 3. Deadlocks: 48 inches from finished floor to
- centerline of strike.
- 4. Panic hardware: 38 inches from finished floor to
- centerline of cross bar, or as indicated on hardware
- template.
- NOTE ** Finished floor is defined as the top surface of the
- floor, except when resilient tile or carpet is
- used, when it is the top of the concrete slab.
-
-
- PART 3 EXECUTION
-
- 3.1 EXAMINATION
-
- A. Verification of conditions:
- 1. Prior to installation, check and correct frames for
- size, swing, squareness, alignment, twist and plumb.
- 2. Verify openings are in accordance with approved shop
- drawings.
-
- B. Installer's examination:
- 1. Have installer of this section examine conditions
- under which construction activities of this section
- are to be performed, then submit written notification
- if such conditions are unacceptable.
- 2. Transmit two copies of installer's report to
- Architect within 24 hours of receipt.
- 3. Beginning construction activities of this section
- before unacceptable conditions have been corrected is
- prohibited.
- 4. Beginning construction activities of this section
- indicates installer's acceptance of conditions.
-
- 3.2 PREPARATION
-
- A. Remove steel spreaders from welded frames prior to
- installation; use of spreaders for installation purposes
- not permitted.
-
- 3.3 INSTALLATION
-
- A. Install units in accordance with approved shop drawings
- and manufacturer's printed installation instructions; in
- addition, install steel components in accordance with
- HMMA 840.
- NOTE ** Delete the following paragraph if no oversize
- assemblies.
-
- B. Oversize assemblies:
- 1. Weld field joints in accordance with AWS D1.1 and
- approved shop drawings.
- 2. Finish exposed field welds smooth; touch-up with rust
- inhibitive primer.
-
- C. Fill voids between concealed side of frame and adjacent
- wall construction with dense fiberglass or lightweight
- gypsum plaster in accordance with approved shop drawings
- or manufacturer's printed installation instructions.
-
- D. Finish surfaces having abrasion damage smooth; touch-up
- with rust inhibitive primer.
-
- E. Install gasketing systems, retainers, retainer covers,
- automatic door bottoms, fixed door bottoms, cam-lift
- hinges, thresholds, and sills in accordance with
- manufacturer's printed instructions.
-
- F. Installation of all other door hardware is specified in
- Section 08710.
- NOTE ** Verify section references in the following two
- paragraphs.
-
- G. Field painting is specified in Section 09900.
-
- H. Site tolerances: Do not exceed the following
- installation tolerances:
- 1. Squareness: Plus or minus 1/16 inch measured on a
- line, 90 degrees from one jamb, at the upper corner
- of the frame at the other jamb.
- 2. Alignment: Plus or minus 1/16 inch measured on jambs
- on a horizontal line parallel to the plane of the
- wall.
- 3. Twist: Plus or minus 1/16 inch measured at face
- corners of jambs on parallel lines perpendicular to
- the plane of the wall.
- 4. Plumb: Plus or minus 1/16 inch measured on the jamb
- at the floor.
- NOTE ** The above tolerances provide a reasonable guideline
- for proper installation of hollow metal frames.
- However, it should be noted that the cumulative
- effect of the tolerances at their maximum levels
- will result in sufficient misalignment to prevent
- the door from functioning properly. Care should be
- taken to keep each of these tolerances as close to
- zero as possible.
-
- 3.4 FIELD QUALITY CONTROL
-
- A. Engage and pay for the field services of manufacturer's
- authorized representative to:
- 1. Inspect completed installation of door and frame
- assemblies.
- 2. Test all components through a minimum of ten complete
- cycles of operation.
- 3. Verify each component is correctly installed.
- 4. Direct installer in adjusting components for correct
- operation.
- 5. Issue certified statement of compliance of installed
- door and frame assemblies to Architect-approved shop
- drawings.
- 6. Instruct Owner's maintenance personnel in correct
- operation and maintenance procedures for components
- of door and frame assemblies.
-
- B. Engage and pay for the services of independent testing
- agency to:
- 1. Test door and frame assemblies selected by Owner or
- Architect in accordance with ASTM E 336.
- 2. Issue certified report documenting compliance of
- installed door and frame assemblies to specified
- acoustical performance requirements.
-
- C. Notify Architect a minimum of four (4) calendar days
- prior to scheduled testing dates.
-
-
- END OF SECTION
-