MOODY CENTER FOR THE ARTS
RICE UNIVERSITY
FISHER DACHS ASSOCIATES
ISSUED FOR CONSTRUCTION
JUNE 24, 2015
SECTION 126613
TELESCOPIC RISERS – OWNER PURCHASED
PART 1 - GENERAL
1.1
GENERAL CONDITIONS
A.
1.2
1.3
WORK INCLUDED
A.
The work in this Section includes all labor, materials and equipment to furnish and install
the telescopic riser system described here and shown on the Contract Drawings.
B.
Provide telescopic riser units and all accessory items required to achieve the riser
configurations shown on the Contract Drawing. Accessory items include, but are not
limited to, guardrails and steps.
C.
Provide storage dollies for all demountable system components, including guardrails and
steps.
RELATED WORK
A.
1.4
Related Work: Related work includes, but is not limited to, the following:
1.
Theatre and storage area floors.
2.
Electrical feeds to riser system.
3.
Blocking for chain restraint of riser system.
WARRANTY
A.
1.5
The General Conditions of the Contract Documents shall apply to the work in this Section.
Warrant the equipment in this Section to be free of defects in materials and workmanship
for a period of 5 years after acceptance of the completed installation by the Owner.
Defective work shall be repaired and replaced at no cost to the Owner. The Warranty shall
not cover the results of normal use, nor shall it cover damage due to neglect or improper
use of the equipment.
SUBMITTALS
A.
Submit shop drawings for fabrication and installation. Include plans, elevations, and details
as required. Indicate materials, methods, finishes, attachments, and accessory items.
B.
Submit verification that the floor is properly constructed and suitable for all phases of the
telescopic riser operation.
C.
Shop drawings shall indicate the load imposed on the floor when the riser is in both the
extended and retracted positions, as well as the load imposed when the unit is raised on its
transport wheels and moved across the floor.
D.
The Manufacturer shall employ a registered, licensed engineer to certify that equipment
supplied meets or exceeds the design criteria of the Contract Documents.
E.
Provide samples of carpet, colored plastic, and painted material for the Architect's review.
F.
Provide the Owner with an operation and maintenance manual.
TELESCOPIC RISERS
126613-1
MOODY CENTER FOR THE ARTS
RICE UNIVERSITY
FISHER DACHS ASSOCIATES
ISSUED FOR CONSTRUCTION
JUNE 24, 2015
PART 2 - PRODUCTS
2.1
ACCEPTABLE MANUFACTURERS
A.
The telescopic riser system shall be manufactured by one of the following or approved
equal:
1.
Jezet
802 Berwick Crescent
Town of Mount Royal, QC H3R 2K9
Canada
jezet.com
2.2
2.3
FINISHES
A.
Metal parts shall be free from rust, scale, dirt, and welding spatter. All weldments or other
metal components shall receive a coat of corrosion resistant primer prior to finish coating
and component assembly.
B.
The steel understructure and risers shall be painted with corrosion resistant, low gloss
enamel. Color: black.
C.
Provide sound-deadening material per manufacturer’s standard to the underside of the riser
decking. Color: black.
D.
Visible aluminum components, including nosings, shall have black powder-coated finish.
E.
All exposed bolt and rivet heads shall be black or painted black.
DESIGN CRITERIA
A.
Telescopic risers shall be designed to support, in addition to its own weight, and the weight
of added accessories, a uniformly distributed live load of not less than 100 lbs. per square
foot of gross horizontal projection.
B.
Railings, posts and sockets shall be designed to withstand the following forces applied
separately:
1.
A concentrated load of 200 pounds at any point and in any direction along the top
railing member and;
2.
A uniform load of 50 pounds per foot applied horizontally at the required guardrail
height and simultaneous uniform load of 100 pounds per foot vertically downward at
the top of the guardrail. The concentrated and uniform loading conditions shall not be
required to be applied simultaneously.
C.
American Institute of Steel Construction (AISC), American Iron and Steel Institute (AISI)
and Aluminum Association (AA) design criteria shall be the basis for calculation of member
sizes and connections.
D.
Wood members shall be designed in accordance with National Forest Products
Association, (NFOPA), and National Design Specification for Wood Construction.
TELESCOPIC RISERS
126613-2
MOODY CENTER FOR THE ARTS
RICE UNIVERSITY
2.4
2.5
2.6
2.7
DESCRIPTION
A.
The telescopic riser system shall consist of multiple tiers of closed deck riser platforms.
Platforms shall be operable on the telescopic principal, stacking vertically in minimal floor
area when not in use. All rows shall be mechanically locked, operable only when unlocking
and cycling the first row. Each platform row shall be comprised of a closed decking
component, a complete set of supportive frames and braces.
B.
The first moving row shall be secured with both friction and mechanical locks. All other
rows shall be mechanically locked, operable only upon unlocking and cycling of the first
row. Individual rows shall be programmable, allowing each row to be individually deployed.
C.
All locking hardware for individual row selection shall be labeled with visible “Locked” and
“Unlocked” as necessary. All tools required for user locking/unlocking to be provided by
manufacturer. Provide spare tool.
FABRICATION
A.
Steel supports and rolling frames shall be constructed of formed steel shapes of the size
and shape necessary to support the design loads.
B.
Wheels shall not be less than 6 inch non-marring soft rubber face to protect wood or
synthetic floor surfaces. Each operating row shall have a minimum of 6 wheels.
C.
Wheel channels shall be continuously in contact with adjacent channels by nylon guides, to
eliminate metal to metal contact, and non-binding guide rods to provide alignment when
opening and closing.
D.
Cantilever arms shall be equipped with a heavy duty roller to assure adequate row to row
support and smooth operation. Cantilever arms shall be field adjustable.
E.
Vertical columns shall be structural tube to meet design criteria.
F.
Deck supports shall be bolted to the rear beam, nose, and deck board with locking
hardware. Supports shall be equipped with a heavy duty roller to assure adequate row to
row support and smooth operation.
AISLE STEPS
A.
Aisle steps shall be permanently attached, closed design. The front step shall be
removable, with plug wired on a lead and a receptacle installed on fascia of riser system for
aisle lighting connection. The receptacle and plug shall be Hubbell Midget Twist Lock
(color: Black), or approved equivalent.
B.
Provide the removable step with a small-diameter 12” flex-steel conduit connector through
which the lead passes.
AISLE HANDRAILS
A.
2.8
FISHER DACHS ASSOCIATES
ISSUED FOR CONSTRUCTION
JUNE 24, 2015
Removable aisle railings shall be an individual rail design, located on every other row
starting at the first row. Rail pockets that that protrude beyond the face of the riser while in
the closed position, or railings with blunt, non-turned ends will not be allowed.
AISLE LIGHTS
A.
Aisle lights to be located at the front of each intermediate step and row.
TELESCOPIC RISERS
126613-3
MOODY CENTER FOR THE ARTS
RICE UNIVERSITY
2.9
B.
Aisle lights shall be low voltage LED non-hazardous fixtures, utilizing a miniature element in
sufficient quantity to provide adequate illumination for floor and steps adjacent to the aisle
steps. The light assembly shall be recessed under the nosings, concealed from sight and
protected from damage.
C.
Provide dimmable driver utilizing DMX control signal, suitably housed in steel safety
enclosures and equipped with primary and secondary fuses, terminal blocks, and safety
disconnects. The drivers shall be located as shown on the Electrical drawings.
D.
All electrical components shall be UL approved.
E.
Wiring connections from the electrical distribution system to the aisle lights, as well as
installation and connection of the voltage reduction device shall be by the Electrical
Contractor.
F.
Provide quantity and location of aisle lights as indicated in architectural drawings.
GUARDRAILS
A.
2.10
2.12
Provide flashing light and self-contained warning horn rated at 85dB at 10’ mounted under
telescopic risers for audio and visual warning during integral power operation.
CARTS
A.
2.11
Provide end closure panels to limit unauthorized access to the underside of the telescopic
system at both sides and rear. Closure panels shall be 18 ounce vinyl with sewn-in
grommets for attachment. Color to be selected by Architect from manufacturer’s standard.
PROTECTIVE DEVICES
A.
3.3
Guardrails shall be selected by Architect from the manufacturer’s standard.
PROTECTIVE PANELS
A.
3.2
FISHER DACHS ASSOCIATES
ISSUED FOR CONSTRUCTION
JUNE 24, 2015
Provide sufficient dollied carts to accommodate removable railings.
RISERS
A.
Carpeted decking shall be 26 ounce commercial grade, low level, looped olefin fiber carpet
with polypropylene backing. Apply carpet with to 5/8 inch carpet grade plywood. Color to be
selected by Architect from manufacturer’s standard.
B.
Nosing shall be one piece, formed, 14 gauge steel with black powder coated finish.
C.
Nosing with panelam or carpeted decks shall be aluminum extrusion. Architect to specify
finish.
D.
Riser fascias shall be designed with perforated metal grilles to accommodate return air
plenum behind telescopic risers.
EXTENSION / RETRACTION SYSTEM
A.
Risers shall drive from recess to beyond overhead gallery, open and close, by the friction
drive system, as a complete unit. The manufacturer will determine the number of power
units required based on the group length and number of rows involved. Hinging of the lower
skirt board is not acceptable.
TELESCOPIC RISERS
126613-4
MOODY CENTER FOR THE ARTS
RICE UNIVERSITY
FISHER DACHS ASSOCIATES
ISSUED FOR CONSTRUCTION
JUNE 24, 2015
B.
Each power unit shall use two large 6" diameter by 9 1/2" long tube with non-marring 1/2"
thick rubber covering to grip floor for opening and closing.
C.
The power units shall develop tractive forces adequate to operate risers under normal
conditions but inadequate to operate should significant obstacles be encountered.
D.
Manufacturer shall provide all wiring from power source within riser system including
pendant control. Removable pendant control with 25’ cord shall be hand held with “open”
and “close” button, illuminated power indicator and individual row qty. selection switches,
plugging into a single receptacle. Electrical contractor shall provide 208/230V, 5 wire 3phase, 60 HZ power source behind each group of risers. Amperage to be as specified by
riser manufacturer depending on the number of power units required. Power source to
terminate in a surface mounted junction box above floor. Electrical contractor shall perform
the connections to the riser equipment at the junction box. All electrical parts and wiring
shall be installed in complete accord with the National Electric Code. ALL SYSTEMS
SHALL BE DESIGNED TO COMPLY WITH U.L. (U.L. Listing #E168517)
PART 3 - EXECUTION
3.1
COORDINATION
A.
3.2
3.3
3.4
The Contractor is responsible for reviewing all drawings, specifications, and field conditions
which affect the work in this Section. Notify the Architect whenever field measurements,
analysis of the drawings and specifications, or progress of other trades indicates that the
work in this Section cannot be completed as specified or as scheduled.
JOB CONDITIONS
A.
The Manufacturer is responsible for the equipment fitting the intended spaces without
interference.
B.
The Manufacturer shall visit the site and verify all dimensions and existing conditions. The
Manufacturer shall survey the floor and advise the Architect of any irregularities which will
adversely affect the operation of the telescopic riser system.
C.
The Manufacturer shall be familiar with the work of adjoining trades and coordinate with
their work.
PROTECTION OF EQUIPMENT
A.
Protect the equipment in this Section from damage and deterioration, including rust, during
all phases of the work, from the time of manufacture to installation.
B.
Notify the General Contractor or Construction Manager in writing of jobsite conditions that
would adversely affect the equipment after installation. Do not install the equipment if
jobsite conditions beyond the control of the Riser Contractor will result in damage or
deterioration, including rust.
C.
Rust resulting from flaws in manufacturing and finishing shall be covered under the
Warranty.
INSTALLATION
A.
Install the risers in accordance with the Manufacturer's instructions and approved shop
drawings.
TELESCOPIC RISERS
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MOODY CENTER FOR THE ARTS
RICE UNIVERSITY
3.5
B.
Adjust all equipment for smooth and proper operation.
C.
At the end of each day during the installation period, remove all refuse and scrap materials
to designated collection points. Upon completion of the installation, leave all areas broom
clean.
REPAIRS
A.
3.6
Repair any work or finishes that are damaged during installation by the Contractor for the
work in this Section. This includes work in this Section and the work of others. Where the
work of others is damaged, reimburse the appropriate contractor for the repair.
PUNCHLISTING
A.
3.7
FISHER DACHS ASSOCIATES
ISSUED FOR CONSTRUCTION
JUNE 24, 2015
The Contractor shall work with the General Contractor or Construction Manager to arrange
for a punchlisting period for the work in this Section. Punchlisting shall consist of a
minimum of one 8-hour day. The building schedule shall be such that no other conflicting
or obstructing activity is taking place. The Contractor shall deploy the units in each of the
configurations shown on the Contract Drawings. The Contractor shall provide sufficient
labor for the required service.
TRAINING
A.
The Manufacturer shall conduct a demonstration and instruction session to assist the
Owner in becoming familiar with the completed installation, and to personally instruct
representatives of the Owner in the proper operation and maintenance of all equipment
provided.
END OF SECTION
TELESCOPIC RISERS
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