ATT_02a_Division_14_Conveying_Systems.pdf

1 Division 14 – Conveying Systems

DIVISION 14 – CONVEYING SYSTEMS

SECTION 14240- HYDRAULIC ELEVATORS

PART 1 - GENERAL

A. Related Sections:

1. Division 31, Section “Clearing, Grading and Excavation”.

2. Division 3, Section “Cast-In-Place Concrete”.

3. Division 4, Section “Cavity Wall Masonry System”.

4. Division 5, Section “Metal Fabrications”.

5. Division 13, Section “Fire Alarm Systems”.

B. References:

1. Comply with applicable building codes, and elevator codes including, but not limited to:

a. ANSI A117.1, Buildings and Facilities, Providing Accessibility and

Usability for Physically Handicapped People.

b. ADAAG, Americans with Disabilities Act Accessibility Guidelines.

c. ANSI/NFPA 70, National Electrical Code.

d. ANSI/NFPA 80, Fire Doors and Windows.

e. ASME/ANSI A17.1, Safety Code for Elevators and Escalators.

f. Uniform Facilities Criteria, Latest Edition

g. All Ft. Knox Fire Dept. regulations.

C. System Description: Elevator Arrangement

1. Performance Requirements for elevators:

a. Quantity & Elevator Numbers: Number

b. Type: Twin direct acting hydraulic cylinders without well holes.

c. Number of Stops: Number

d. Number of Openings: Number

e. Rise: Distance in Feet

f. Rated Capacity and Speed: 4500 lbs., 100 FPM (feet per minute).

g. Minimum Car Inside: 5-‘9” wide x 7’-10” deep

h. Inside Car Height: 8’-0”

i. Height Under Ceiling: 7’-4 ½”

j. Entrance Width & Type: Side Opening Door, 4’-0” x 7’-0”.

k. Main Power Supply: 480 +/- 5% of normal, 3 phase, with a separate equipment grounding conductor. (Verify voltage with electrical plans).

l. Lighting Power Supply: 120 Volts, 1 phase, 15 Amp, 60 Hz.

m. Stopping Accuracy: =/- ¼” (6.4mm) under any loading conditions or direction of travel.

n. Door Opening Time: 3.5 seconds.

2. Simplex Collective Operation: Using a microprocessor-based controller, operation will be automatic by means of the car and hall buttons. If all calls in

2 Division 14 – Conveying Systems the system have been answered, the car will park at the last landing served. On board diagnostics must be provided on the central microprocessor for servicing, Section 14240- Hydraulic Elevators Cont.

adjusting, and maintaining. If on board diagnostics are not equipped, then the manufacturer is to provide the necessary external tools (including laptop) and associated owner’s license for this equipment.

3. Car Operating Features:

a. Full Collective Operation.

b. Single Speed Fan.

c. On/Off Light Switch.

d. Solid State Starting

e. Car-Stall Protection.

f. Firefighter’s Service Phase I and Phase II.

g. Top of Car Inspection.

4. Door Control Features:

a. Closed Loop Operator is a closed loop, microprocessor based door operator system. The door operator will facilitate a smooth operation under varying environmental influences such as, temperature, wind, friction, and component variation. The processor will monitor the door’s actual position and velocity compared to its desired position and velocity. If any variations are detected in the profile, the command will be automatically corrected.

The Closed Loop Door Operator control system will not require machine room door control equipment.

b. Door Noise not to exceed 58 dBA.

c. Door control to open doors automatically when car arrives at landing in response to a normal hall or car call.

d. Elevator doors will be provided with a responding device that will stop and reopen the car door(s) and Hoistway door(s) automatically, should door(s) become obstructed by an object or person.

Primary door protection will consist of a two dimensional, multi-beam array projecting across the car door opening. Under normal operation, and for any door position, the system will detect as a blockage an opaque object that is equal to or greater than 1.3 inches (33 mm) in diameter when inserted between the car doors at vertical positions from within 1 inch (25 mm) above the sill to 71 inches (1800 mm) above the sill. Under degraded conditions (one or more blocked or failed beams), the primary protection will detect the same vertical coverage. If the system performance is degraded to the point that a 4 inch object cannot be detected, the system will maintain the doors open or permit closing only under nudging force conditions.

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The door reopening device will also include a secondary, three dimensional, triangular infrared multi-beam array projecting across the door opening and extending into the Hoistway door zone.

Section 14240- Hydraulic Elevators Cont.

The opening device will cause the doors to reopen when it detects a person(s) or object(s) entering or exiting the car in the area between the Hoistway doors or the entryway area adjacent to the Hoistway doors.

The size of the secondary protection zone will vary as the door positions vary during opening and closing. The width of the zone will be approximately one-third the size of the separation between the doors (or door and strike for a single-slide door), and will be approximately centered in the door separation. In order to minimize detection of hallway passers-by who are not entering the elevator, the maximum zone penetration into the entryway will not exceed 20 inches for any door separation. Normal penetration depth into the entryway from the car doors will be ~14 inches for a door separation of 42 inches. The penetration will reduce proportionally as the doors close. At door separations of 18 inches or less, the secondary protection system may cause cease its normal operation since the depth of the zone recedes to where it is inside the Hoistway doors. The vertical coverage of the secondary protection will be ~19 inches (480 mm) above the sill to ~55 inches (1400 mm) above the sill (mid-thigh to shoulder of a typical adult).

The secondary protection will have an anti-nuisance feature which will ignore detection in the secondary zone after continual detection occurs for a significant period of time in the secondary zone without a corresponding detection in the primary protection zone; i.e. a person/object is in the entryway but does not enter. Normal secondary protection will be re-enabled whenever a detection occurs in the primary zone.

The reaction time of the door detector sub-system will not exceed 60 milliseconds when both primary and secondary protection capabilities are active; nor 40 milliseconds when the secondary protection is disabled.

e. Door nudging operation to occur if doors are prevented from closing for an adjustable period of time.

5. Provide equipment according to Seismic Zone Moderate Low.

D. Submittals:

1. Submittals: Submit in accordance with Division 1 requirements.

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2. Product Data: Submit manufacturer’s product data for each system proposed for use. Include the following:

a. Signal and operating fixtures, operating panels and indicators.

b. Cab design, dimensions and layout.

c. Hoistway-door and frame details.

Section 14240- Hydraulic Elevators Cont.

d. Electrical characteristics and connection requirements.

e. Expected heat dissipation of elevator equipment in machine room (BTU).

3. Shop Drawings: Submit approval layout drawings. Include the following:

a. Car, guide rails, buffers, and other components in Hoistway.

b. Maximum rail bracket spacing.

c. Maximum loads imposed on guide rails requiring load transfer to building structure.

d. Loads on Hoistway beams.

e. Clearances and travel of car.

f. Clear inside Hoistway and pit dimensions.

g. Location and sizes of access doors, Hoistway entrances and frames.

E. Quality Assurance:

1. Manufacturer: Provide elevators manufactured by a firm with a minimum of 10 years’ experience in fabrication of elevators equivalent to those specified.

Elevator will be ISO 9002 certified.

2. Installer: elevators will be installed by the manufacturer.

3. Regulatory Requirements: elevator system design and installation will comply with the latest versions of ASME A17.1 and applicable codes.

a. Elevator will be designed in response to Americans with Disabilities and

Accessibility Guidelines (ADAAG).

4. Permits and Inspections: Provide licenses and permits and perform required inspections and tests.

F. Delivery, Storage and Handling:

1. Should the building or site not be prepared to receive the elevator equipment at the agreed upon date, the General Contractor will be responsible to provide proper and suitable storage area on or off the premises.

2. Should the storage area be off-site and the equipment not yet delivered, then the elevator contractor, upon notification from the General Contractor, will divert the elevator equipment to the storage area. If the equipment has already been delivered to the site, then the General Contractor will transport the elevator equipment to the storage area. The cost of elevator equipment taken to off-site storage by either party, storage or redeliver to the job site, will be at the expense of the General Contractor.

PART 2 – PRODUCTS

A. Acceptable Manufacturers:

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1. Available Manufacturers: Products: Basis-of-Design: The following products are the basis of design. Available manufactures subject to compliance with requirements.

a. Provide hydraulic elevators by Otis Elevator Company or approved equal.

B. Equipment: Machine Room Components:

1. The hydraulic system will be of compact design suitable for operation under the required pressure. The power components will be mounted in the hydraulic-fluid storage tank. The control valve will control flow for up and down directions hydraulically and will include an integral check valve. A control section, including control solenoids will direct the main valve and control: up and down starting, acceleration, transition from full speed to leveling speed, up and down stops, pressure relief and manual lowering. All of these functions will be fully adjustable for maximum smoothness and to meet contract conditions.

System to be provided with a muffler, low-pressure switch and shut-off valve.

2. A microprocessor-based controller will be provided, including necessary starting switches together with all relays, switches, solid-state components and hardware required for operation, including door operation, as described herein.

A three (3) phase overload device will be provided to protect the motor against overloading.

3. A manual lowering feature will permit lowering the elevator at slow speed in the event of power failure or for adjusting purposes.

4. Pressure Switch.

5. Provide and install heat deflector on Ptac to direct heat to floor and hydraulic tanks.

6. Provide and install door sweep on exterior doors to contain heat within equipment room.

7. Provide and install heat pump and required electrical services:

a. Amana P-TAC H/P, 12K BTU, 3.5 KW, and R410A (Heat & Cool).

b. Insulated Sleeve- WS900E, Stamped Aluminum Grill- SGK01B.

c. Amana 7 day programmable thermostat to override built-in thermostat.

C. Equipment: Hoistway Components

1. Plungers and Cylinders: Each cylinder will be constructed of steel pipe of sufficient thickness and suitable for the operating pressure. The top of each cylinder will be equipped with a cylinder head with a drip ring to collect any oil seepage as well as an internal guide ring and self-adjusting packing.

Each plunger will be constructed of selected steel tubing or pipe of proper diameter, machined true and smooth with a fine polish finish.

Each plunger will be provided with a stop ring electrically welded to it to prevent the plunger from leaving the cylinder. Each plunger and cylinder will be installed plumb and will operate freely with minimum friction.

2. Car Guide Rails: Tee-Section steel rails with brackets and fasteners.

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3. Spring Buffer: Helical coil spring type.

4. Wiring: Wiring for Hoistway electrical devices included in scope of the elevator system, hall panels, pit emergency stop switch, and the traveling cable for the elevator car.

5. Hoistway entrances:

a. Frames: entrance frames will be of bolted construction for complete one-piece unit assembly. All frames will be securely fastened to fixing angles mounted in the Hoistway and will be of 14-gauge (2 mm) sheet steel. Sills will be extruded aluminum.

b. Doors: entrance doors will be of hollow metal construction with vertical internal channel reinforcements.

c. Fire Rating: Entrance and doors will be UL fire rated for 1-1/2 hour.

d. Entrance Finish: Satin Stainless Steel.

e. Entrance Markings: entrance jambs will be marked with 4”x4” (102 mm x

102 mm) plates having raised floor markings with Braille adjacent.

Markings will be provided on both sides of the entrance.

f. Sight Guards: Black sight guards will be furnished with any metal finished door.

D. Equipment: Car Components

1. Car Frame: A suitable car frame will be provided with adequate bracing to support the platform and car enclosure. The buffer striking plate on the underside of the car-frame platform assembly must fully compress the spring buffer mounted in the pit before the plunger reaches its lower limit of travel.

2. Platform: Heavy-Loading Type: The car platform will be arranged to accommodate one-piece loads weighing up to 25% of the rated capacity, such as wheeled food carts, stretchers, x-ray equipment, etc. The platform will be recessed 5/16” for flooring by others.

3. Steel Cab Walls: 14 gauge sheet metal; Satin Stainless Steel.

4. Car Front Finish: Satin Stainless Steel.

5. Car Door Finish: Satin Stainless Steel.

6. Car Top: Wood material clad on both sides with a natural finish aluminum panel.

7. Ceiling Type: Lexan suspended ceiling will consist of white translucent polycarbonate diffusers set in frames of extruded aluminum with fluorescent lighting fixtures.

8. Emergency Car Lighting: An emergency power lighting unit employing a 6 volt, sealed rechargeable battery and totally static circuits will be provided to illuminate the elevator car and provide current to the alarm bell in the event of building power failure.

9. Exhaust Fan: An exhaust fan will be mounted on the car top.

10. A 125V, 15 amperes utility outlet with ground-fault circuit-interrupter protection shall be furnished at the top of the cab.

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11. Handrail Type: Rectangular tubular metal bar ½” x 1 ½” finish stainless provided on the sides of the car enclosure.

12. Threshold: extruded aluminum.

E. Equipment: Signal Devices and Fixtures

1. Car-Opening Panel: A panel will be provided which contains all push buttons, key switches, and message indicators for the elevator operation. Raised markings and Braille markings will be provided for each push-button.

Car Fixture Finish: Satin Stainless Steel

a. Vandal-Resistant Fixture: Hinged swing car operating panel will be furnished. It will contain a bank of round mechanical illuminated buttons.

Flush mounted to the panel and marked to correspond to the landings served, an emergency call button, door open and door close buttons, and switches for lights, inspection and the exhaust fan. The emergency call button will be connected to a bell that serves as an emergency signal. All buttons to have raised numerals and Braille markings. LED red illumination with flat flush targets. Target finish is satin stainless steel.

b. Car Position Indicator: A 16-segment, digital, vacuum fluorescent car position indicator will be integral to the car opening panel.

c. Certificate Frame: A certificate frame will be furnished in the return panel below the car-operating panel.

An ADA compliant communication device will be provided which has been designated in response to ADAAG requirements.

d. Car Lantern and Chime: A directional lantern visible from the corridor or exterior landing will be provided at the car entrance. When the car stops and the doors are opening, the lantern will indicate the direction in which the car is to travel and a chime will sound.

e. Vandal Resistance Hall or Exterior Landing Fixtures: Hall or landing fixtures will be provided with necessary push buttons and key switches for elevator operation. Raised markings will be provided for each push-button.

f. Fixture Finish: Satin Stainless Steel.

g. Landing Passing Signal: A chime bell will sound in the car to tell a passenger that the car is either stopping at or passing a floor served by the elevator.

PART 3 – EXECUTION

A. Preparation:

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1. Take field dimensions and examine conditions of substrates, supports, and other conditions under which this Work is to be performed. Do not proceed until unsatisfactory conditions are corrected.

B. Installation:

1. Installation of all elevator components except as specified provided for elsewhere by others.

C. Demonstration:

1. The elevator contractor will make a final check of each elevator operation with an ESD/Inspections representative present prior to turning each elevator over for use. The elevator contractor will determine that control systems and operating devices are functioning properly.

End of Section- 14240