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10551val.txt
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1998-06-10
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SECTION 10551
MAIL CHUTES
NOTE ** This section is based on products manufactured by
Valiant Products, Inc., at the following address:
NOTE ** 939 West Quincy Street
NOTE ** P.O. Box 405
NOTE ** Lakeland FL 33802
NOTE ** Telephone (800) 659-1797
NOTE ** FAX (941) 683-9749
NOTE **
NOTE ** This section includes vertical mail chutes for
multi-story buildings, designed for private mail
collection service (not serviced by United States
Postal Service personnel).
NOTE **
NOTE ** SECTION 10551 - MAIL CHUTES, Copyright 1996, The
Architect's Catalog, Inc.
PART 1 GENERAL
1.1 SECTION INCLUDES
A. Mail chutes.
1.2 RELATED SECTIONS
NOTE ** Delete any sections below not relevant to this
project; add others as required.
A. Section 03300 - Cast-In-Place Concrete.
B. Section 07840 - Firestopping.
C. Section 09260 - Gypsum Board Systems.
D. Section 09900 - Paints and Coatings.
E. Section 15300 - Fire Protection.
F. Section 15810 - Ducts.
1.3 REFERENCES
A. ASTM A 36/A 36M - Standard Specification for Carbon
Structural Steel.
B. ASTM A 463/A 463M - Standard Specification for Steel
Sheet, Aluminum-Coated, By the Hot-dip Process.
C. ASTM A 653/A 653M - Standard Specification for Steel
Sheets, Zinc-coated (Galvanized) or Zinc-Iron Alloy-
Coated (Galvannealed) by the Hot-Dip Process.
D. ASTM A 666 - Standard Specification for Austenitic
Stainless Steel Sheet, Strip, Plate, and Flat Bar.
E. UL - Underwriters Laboratory, Inc.
1.4 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Manufacturer's descriptive literature for
products specified in this section.
C. Shop Drawings: Indicate locations, vertical construction
and anchorage details, dimensions, rough openings
required, size and tolerances of floor openings.
D. Quality Assurance Submittals: Manufacturer's printed
installation instructions for products specified in this
section.
E. Closeout Submittals:
1. Operation and maintenance data for maintenance of
system, including sight-exposed finishes and
operating hardware.
2. Warranty documents: Issued and executed by
manufacturer of mail chutes, bearing Owner's name.
1.5 QUALITY ASSURANCE
A. Manufacturer Qualifications: Minimum five (5) years
documented experience producing products specified in
this section.
B. Installer Qualifications: Minimum three (3) years
documented experience installing air-handling sheet metal
ducts.
C. Pre-installation Meetings:
1. Convene at job site seven (7) calendar days prior to
scheduled beginning of construction activities of
this section to review requirements of this section.
2. Require attendance by representatives of the
following:
a. Installer of this section.
b. Other entities directly affecting, or affected
by, construction activities of this section.
3. Notify Architect four (4) calendar days in advance of
scheduled meeting date.
1.6 SEQUENCING
A. Ensure that openings in horizontal slabs are correctly
located, aligned and sized for mail chutes.
B. Ensure that fire protection piping is correctly located
and sized for connection to sprinkler heads mounted in
mail chutes.
C. Sequence construction activities of this section to
prevent cutting of adjacent materials, including drywall
system.
D. Sequence construction activities of related sections to
ensure that closure walls around chute are erected only
after construction activities of this section are
completed.
1.7 WARRANTY
A. Manufacturer's Warranty: Supply mail chute
manufacturer's standard warranty against defects in
product workmanship and materials.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Acceptable Manufacturer: Valiant Products, Inc.; 939
West Quincy Street, P.O. Box 405, Lakeland FL 33802;
Telephone (800) 659-1797, FAX (941) 683-9749.
B. Substitutions: Not permitted.
2.2 MANUFACTURED UNITS
A. Mail and Package Chute:
1. Acceptable Product: Valiant Products, Inc., Model P-
38.
2. Components:
a. Chute: Fabricated of aluminum-coated steel sheet
conforming to ASTM A 463; minimum 14 gage sheet
thickness; 18 inches by 18 inches cross-section
by height required for indicated number of floors
and floor-to-floor dimensions, with number and
locations of openings for indicated number of
floors and floor-to-floor dimensions.
b. Intake Units: Doors and frames fabricated of
stainless steel sheet conforming to ASTM A 666,
minimum 22 gage sheet thickness; door opening 12
inches wide by 15 inches high, UL B Label fire
rating, bottom-hinged, manual-opening, self-
closing.
c. Horizontal Discharge Door: Fabricated of
galvanized steel sheet conforming to ASTM A 653/A
653M, minimum G90/Z275 coating, minimum 12 gage
sheet thickness, with 1-1/2 inches by 1-1/2
inches galvanized steel angle reinforcement;
spring-loaded hinge; UL-approved 165 degrees F
fusible link hold-open device.
d. Package Slow-Down: Neoprene, 1 inch thick;
attached to mail-container side of horizontal
discharge door.
e. Sprinkler Head: Brass I.P.S. sprinkler head with
1/2 inch diameter pipe connection, automatically
activated at 165 degrees F; located above top
intake unit and at intake units at alternating
floors below.
B. Chute Supports: Fabricated of 1-1/2 inches by 1-1/2
inches steel angle conforming to ASTM A 36/A 36M, with
one coat factory-applied primer.
C. Concrete Anchors: Type recommended by chute
manufacturer.
2.3 FABRICATION
A. Mail and Package Chute:
1. Factory-assemble to maximum extent possible, after
considering shipping and installation limitations.
2. Weld or lock-seam joints not required to be open for
shipping or assembling chute sections in field.
3. Fabricate chute sections to flash into section below
to form smooth intersections; projecting bolts,
clips, or other items not permitted.
4. Form throat in chute wall for each indicated opening
intake door.
5. Fabricate and position support frames for correct
intake levels, in accordance with approved shop
drawings; provide expansion joint between successive
support frames.
B. Intake doors: Bolt in place on throats formed in chute.
PART 3 EXECUTION
3.1 EXAMINATION
A. Verification of Conditions:
1. Openings in horizontal slabs are correctly located,
aligned and sized for mail chutes.
2. Fire protection piping is correctly located and sized
for connection to sprinkler heads mounted in mail
chutes.
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 INSTALLATION
NOTE ** Delete paragraphs below referencing sections not
relevant to this project; add others as required.
Verify Section Numbers.
A. Forming of slab openings is specified in Section 03300.
B. Installation of firestopping materials is specified in
Section 07840.
C. Installation of mail and package chute enclosure is
specified in Section 09260.
D. Field finishing of sight-exposed aluminum-coated metal
surfaces is specified in Section 09900.
E. Connection of sprinkler heads to fire protection piping
is specified in Section 15300.
NOTE ** Retain paragraph below.
F. Install mail and package chute components in accordance
with shop drawings and manufacturer's printed
installation instructions; align to specified plumb and
level tolerances, and anchor in accordance with
requirements.
3.3 ADJUSTING
A. Adjust intake unit and discharge doors to operate
correctly.
3.4 PROTECTION OF INSTALLED PRODUCTS
A. Protect stainless steel finishes from damage by
subsequent construction activities.
END OF SECTION