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SECTION 14 91 33 – LAUNDRY AND LINEN CHUTES
Verify that Section titles referenced in this Section are correct for this Project’s Specifications; Section titles may have changed.
PART 1 – GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.
1.2 SUMMARY
Add or remove products as needed. Revise Section accordingly.
A. This section includes Laundry and Linen Chutes.
B. Related Sections include the following:
Delete subparagraph below if no Electric Interlocks or Smoke Detection Connection.
1. Division 16 Sections for electrical connects to Electric Interlocks.
2. Division 21 Sections for Smoke Detectors.
3. Division 22 Sections for connecting the Disinfecting and Sanitizing Unit.
4. Division 28 Sections for connection to sprinklers.
1.3 SUBMITTALS
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A. Product Data: Manufacturer’s product specifications, standard details and recommendations for project conditions; indicate selected sizes and installation details specific to the project.
B. Catalog Cuts: Before the linen chute is delivered to the job site, submit catalog cuts to the Architect in accordance with these specifications, showing all details of installation and assembly and all requirements for work by other trades.
C. Shop Drawings:
1. Plans: Scale ¼ inch to 1 foot; indicate locations, dimensions, and required associated construction activities.
2. Elevations / Sections: Scale ¼ inch to 1 foot; indicate locations, dimensions, and required associated required construction activities.
3. Details: Scale ¼ inch to 1 foot; indicate:
a. Shop drawings specific to project conditions.
b. Interface with adjacent construction.
c. Dimensions and tolerances.
d. Products required for installation of the linen chute, but not supplied by linen chute manufacturer.
e.
Delete following if no Electric Interlocks.
f. Wiring Diagrams: Power, signal, and control wiring.
D. Close-out Submittals:
1. Operation and Maintenance Data:
a. Manufacturer’s printed Operational Manual.
2. Warranty Documents: Issued and executed by the manufacturer and installer of the system.
1.4 QUALITY ASSURANCE
Recommended qualifications listed below. Delete subparagraphs as needed.
A. Qualifications:
1. Manufacturer: Minimum five (5) years documented experience-producing products specified in this section.
2. Installer: Approved by the Manufacturer, and having a minimum of five (5) years experience.
3. Products must be manufactured in the United States.
B. Fire Rated Door Assemblies: Assemblies complying with NFPA 80 that are listed and labeled by a testing and inspecting agency.
1. Test Pressure: Test at atmospheric (neutral) pressure according to NFPA 252 or UL 10B.
2. Intake doors and Access doors: 1 ½-hour rated with 30-minute temperature rise of 250 deg F (140 deg C). UL Labeled.
3. Discharge Door: 1 ½-hour rated with 30-minute temperature rise of 250 deg F (140 deg C). UL Labeled.
Delete following subparagraph if no Electric Interlocks.
C. Standard: Provide chutes complying with NFPA 82.
D. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.
1.5 WARRANTY
Standard warranty is for 1 year. Additional years are available. Edit subparagraph as needed.
A. Manufacturer’s warranty: Furnish manufacturer’s standard one (1) year warranty from date of installation. Warranty shall apply to defects in product workmanship and material only.
Verify that Section titles referenced in this Section are correct for this Project’s Specifications; Section titles may have changed.
PART 2 – PRODUCTS
2.1 MANUFACTURER
A. Basis of Design:
1. CHUTES International Manufacturing, 4400 Austin Lane, White Plains, Maryland 20695; Telephone: (800) 882-4883; FAX (301) 753-4109. www.chutes.com or
2.2 CHUTES
In subparagraph below, select chute metal. Aluminum-coated steel is recommended.
A. Chute Metal: [Aluminum-coated; ASTM A 463/A 463M, Type 1 with not less than T1-40 (T1M-120) coating] [430 stainless steel] [304 stainless steel], cold-rolled, commercial steel sheet.
In subparagraph below, select chute metal thickness. 16 gauge is recommended.
1. Thickness: [0.080 inch (14 gauge)] [0.060 inch (16 gauge)].
In subparagraph below, select chute diameter. 24 inch diameter is standard.
B. Size: [24 inch] [28 inch] [30 inch] [36 inch] diameter.
C. Fire Sprinklers: Manufacturer’s standard NPS ½ (DN 13) fire sprinklers ready for piping connections.
2.3 DOORS
A. Intake Door Assemblies: Stainless steel front and back, noiseless self closing units with positive latch and ADA compliant latch handle; as required to provide fire-protection and temperature rise ratings indicated; and with frame suitable for enclosing chase construction.
1. Door type: [Right] [Left] side hinged, limited access.
2. Size: Manufacturer’s standard size for door type, chute type, and diameter indicated.
3. Finish: Stainless steel, front and back, with No. 3 type finish.
4. Handles and Locks: ADA compliant handle, Cylinder locks with 2 keys. Provide locks keyed alike.
Delete subparagraph 5 below if no Electric Interlocks. Electric Interlocks are not recommended.
5. Electric Interlocks: Interlock system that is energized by opening one intake door; remaining doors automatically lock when system is energized.
B. Discharge Door Assemblies: Stainless steel doors required to provide fire-
protection ratings indicated; equipped with fusible links that cause doors to close in the event of fire.
In subparagraph below, choose hopper discharge size according to chute size..
1. Hopper discharge constructed of same material as the chute, supported by 2” adjustable pedestal, [24” wide by 30” high] [28” wide by 36” high] [30”wide by 36” high] [36” wide by 48” high] “UL” labeled, top-hinged spring counter-balanced door fusible linked for closing with heat rising above 165˚F.
Delete subparagraph below if no Heat and Smoke Detector connection. Optinal accessory.
C. Heat and Smoke Detector connection: Electro Thermal Fusible Link and wire
connection at Manual Control Box to lock out chute doors.
Delete subparagraph below if no Disinfecting and Sanitizing unit. Optional Accessory.
D. Access Door Assemblies: Stainless steel front and back, as required to provide fire-protection and temperature rise ratings indicated; and with frame suitable for enclosing chase construction; and in No. 3 style finish.
Delete subparagraph below if no Electric Interlocks. Optional Accessory. .
E. Manual Control System: Control system with manual control that lock doors of chute during shut-down hours and service operations.
Delete paragraph below if no Accessories. Optional Accessory. .
2.4 ACCESSORIES
Delete subparagraph below if no Disinfecting and Sanitizing Unit. Optional Accessory.
A. Disinfecting and Sanitizing Unit: NPS ¾ (DN 19) disinfecting and sanitizing spray head unit located in chute above highest intake door, including 1-gal. (3.8-L) tank and adjustable proportioning valve with bypass for manual control of sanitizing and flushing operation, ready for hot-water piping connection, and with access for head and piping maintenance.
Delete subparagraph below if no Rubber Sheet Baffles. Optional Accessory.
B. Intake Door Baffles: Rubber baffles, 1/8 inch (3 mm) thick.
2.2 CHUTE FABRICATION
A. The linen chute shall be fully factory assembled and all joints, except those required separating the sections for shipment and installation shall be welded or lock-seamed tight. The intake doors shall be bolted in place on throats formed into the chute. All chute sections shall flash inside the sections below and there shall be no bolts, clips, or other projections inside the chute to snag the flow of material. Pre-positioned support frames shall assure proper intake levels and there shall be an expansion joint in the chute between all support joints. Discharge offsets, where required, shall be reinforced and separately supported in the impact area.
B. Vent: Full diameter vent extending 3 feet (per NFPA Code 82; 2009) above roof with hinged metal safety cap.
C. Floor Frames: Standard floor frames are 1-1/2” x 1-1/2” x 3/16” steel angles.
D. Fire Sprinklers: ½” NPT sprinkler and ¾” NPT flushing head above top intake. Additional ½”: sprinkler heads at alternate intake floors and at intake above discharge floor as required by NFPA Code 82.
PART 3 – EXECUTION
3.1 EXAMINATION
A. Verification of conditions:
1. Area in which system is to be located is correct size and location, and is prepared for installation of linen chute and components.
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 conditions under which construction activities of this section are to be performed are unacceptable.
2. Beginning construction activities of this section before unacceptable conditions have been corrected is prohibited.
3. General Contractor shall verify and record chute alignment with installer immediately following installation.
3.2 INSTALLATION
A. Install linen chute in accordance with shop drawings and manufacturer’s printed installation instructions.
3.3 DEMONSTRATION
A. Arrange demonstration of system operation, conducted by manufacturer’s representative, to Owner’s maintenance personnel.
END OF SECTION 149133
Laundry and Linen Chutes - 4 - 149133