������������������������ SECTION 14100

 

������������������������� DUMBWAITERS

This section is based on hand operated dumbwaiters for commercial and residential applications, as manufactured by the

�� Vincent Whitney Company, Inc.

�� 60 Liberty Ship Way

�� P.O. Box 335

�� Sausalito, CA� 94966

Telephone:� 800-332-3286 or 415-332-3260

����� FAX:� 415-332-0816

 

These dumbwaiters are furnished as complete units, including the machine with roller bearings, hand wheels, hardwood veneer car, car hardware, hoist rope, hand rope, counterweights, guide rails, and spring bumper.

 

PART 1� GENERAL

 

1.1 SECTION INCLUDES

Delete items below not required for project.

��� A.� Manual dumbwaiter system, counter loading type, including:

������� 1.� Dumbwaiter machine with roller bearings.

������� 2.� Hand wheel.

������� 3.� Prefinished car and hardware.

������� 4.� Hoist rope and rope guides.

������� 5.� Hand rope.

������� 6.� Counterweights.

������� 7.� Guide rails.

������� 8.� Spring bumpers.

 

1.2 RELATED SECTIONS

Delete any sections below not relevant to this project; add others as required.

��� A.� Section 04300 - Unit Masonry System:� Hoistway construction.

 

��� B.� Section 06112 - Wood Framing and Sheathing:� Hoistway construction.

 

��� C.� Section 06200 - Finish Carpentry:� Hoistway doors and frames.

 

��� D.� Section 08114 - Custom Steel Doors:� Hoistway doors and frames.

 

��� E.� Section 08211 - Flush Wood Doors:� Hoistway doors and frames.

 

��� F.� Section 09260 - Gypsum Board Systems:� Hoistway finish.

 

1.3 REFERENCES

 

��� A.� ASME A17.1 - Safety Code for Elevators and Escalators;� The American Society of Mechanical Engineers.

 

1.4 SYSTEM DESCRIPTION

 

��� A.� System Characteristics:

������� 1.� Rated net loading capacity:� __________ lbs.

������� 2.� Nominal travel distance:� __________ ft, _______ in.

������� 3.� Number of stops:� __________.

������� 4.� Number of openings:

����������� a.� _______ front.

����������� b.� _______ rear.

����������� c.� _______ side.

������� 5.� Size of openings:� _____ wide x _____ high, located ________ inches above finished floor.

������� 6.� Car size:� ______ wide x ______ deep x _______ high.

 

��� B.� System Operation:� Provide dumbwaiter operation by means of hand rope, with automatic brake type dumbwaiter machine.�

������� 1.� Brake:� Bronze friction plate disk design, operating on full automatic in both up and down motion of car.

������� 2.� Arrange components so car remains in position under design load when pull on hand rope is released, without use of check or brake line.

 

1.5 SUBMITTALS

 

��� A.� Submit under provisions of Section 01300.

 

��� B.� Product Data:� Include complete information on system design and installation requirements.

 

��� C.� Shop Drawings:� Include detailed dimensions of all components, including locations of connections to other work;� load reactions at points of support; and arrangement of all equipment.

 

��� D.� Selection Samples: Include actual pieces of all standard cab finishes, for Architect's selection.

 

��� E.� Verification Samples:� Selected cab finishes, not less than 6 inches x 6 inches.

 

1.6 QUALITY ASSURANCE

 

��� A.� Installer Qualifications:� Company specializing in installing equipment of the type specified, with not less than three years of experience and approved by manufacturer of dumbwaiter system.

 

1.7 REGULATORY REQUIREMENTS

Insert below any code compliance requirements for dumbwaiters.

��� A.� Comply with ________ building code for manufacture and installation of dumbwaiter system.

 

1.8 WARRANTY

 

��� A.� Provide manufacturer's six year limited warranty against defective materials.

 

 

PART 2� PRODUCTS

 

2.1 MANUFACTURERS

 

��� A.� Provide dumbwaiter system as manufactured by Vincent Whitney Company, Inc.; 60 Liberty Ship Way;� P.O. Box 335; Sausalito, CA� 94966.� Telephone:� 800-332-3286 or 415-332-3260.� FAX:� 415-332-0816.

 

��� B.� Substitutions will not be acceptable.

 

2.2 DUMBWAITER

Geared automatic brake dumbwaiters are used primarily in restaurants, nursing homes, libraries, schools, warehouses, clubs, government buildings, and other commercial applications.�

 

Standard models are numbered as follows:� GS models are front opening, GD models are front and rear opening, and GCP models are front and side opening.� A "1" preceding the model type is rated at 125 pounds.� A "2" preceding the model type is rated at 150 pounds.� "3" corresponds to 175 pounds, "4" to 200 pounds, and "5" to 250 pounds.�

 

For example, 3GD is a front and rear opening dumbwaiter rated at 175 pounds capacity.

 

��� A.� Provide heavy-duty commercial grade system, model _____, equipped with geared automatic brake.

Automatic brake dumbwaiters (non-geared) are used primarily in condominiums, apartment buildings, townhouses and private residences.

 

Standard models are numbered as follows:� AS models are front opening, AD models are front and rear opening, and ACP models are front and side opening.� A "1" preceding model type denotes a 65 pound capacity.� A "2" preceding model type denotes a 90 pound capacity.� "3" denotes 105 pound capacity, and "4" denotes 120 pound capacity.

 

For example, Model 4AS is a front opening model with 120 pound capacity.

��� B.� Provide non-geared residential grade system, model _____, equipped with automatic brake.

Select one of the following three car constructions, and delete the others.

��� C.� Car:� Fabricate of 3/4 inch plywood with birch veneer, finished with clear lacquer.� Dado, glue, and screw all joints to assure rigid construction.� Include single adjustable shelf.�

 

��� D.� Car:� Fabricate of mild steel with painted enamel finish.� Weld and bolt components to assure rigid construction.� Include single fixed shelf.�

 

��� E.� Car:� Fabricate of 304 stainless steel, with Number 4 mill finish.� Weld and bolt components to assure rigid construction.� Include single fixed shelf.�

 

��� F.� Guide Rails:� Douglas Fir, dense select grade, kiln dried.

 

��� G.� Counterweights:� Cast iron or steel, adjustable to insure proper operating balance.

 

��� H.� Hand Rope:� 3/4 inch diameter, soft woven rope joined with swivel coupling.

The first hoist rope below should be selected for commercial grade systems.� The second hoist rope is for residential models.

��� I.� Hoist Rope:� 5/8 inch diameter steel overlaid with hemp (Marlin clad).

 

��� J.� Hoist Rope:� 3/16 inch steel aircraft cable.

 

 

PART 3� EXECUTION

 

3.1 EXAMINATION

 

��� A.� Section 01039 - Coordination and Meetings:� Verification of existing conditions before starting work.

 

��� B.� Verify that finished hoistway is plumb and square and correctly sized.

 

��� C.� Verify that horizontal guide rail blocking is in correct position, securely fastened, and ready for connection of guide rails.

 

��� D.� Verify that machine supports of proper size are in position and that openings to hoistway are properly sized and located.

 

3.2 INSTALLATION

For commercial applications only, geared models comply with ASME standards only when a steel car is used.�

 

Delete the paragraph below for residential applications, or when plywood car is used in commercial applications.

��� A.� Install dumbwaiter in accordance with ASME A17.1.

 

��� B.� Comply with manufacturer's instructions for assembly and installation of all dumbwaiter components.

 

3.3 ADJUSTING AND CLEANING

 

��� A.� Verify that dumbwaiter is properly installed and operating smoothly.� Make any adjustments required to achieve safe and quiet operation.

 

��� B.� Clean any exposed areas that have become soiled during installation process, using materials and cleaning agents appropriate for substrate.

 

 

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