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Forum Lecture Seating Specifications
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PART 1 – GENERAL
1.1 RELATED DOCUMENTS
A.
1.2 SUMMARY
1.
1.3 SUBMITTALS
A. Product data for each type of product specified. Include installation methods.
B.
C.
1. Fabric
2. Metal Finishes
3. Wood Finishes
D.
1.4 QUALITY ASSURANCE
B. Provide seating that complies with California Technical Bulletin 117.
C.
D.
1.5 PROJECT CONDITIONS
1.6 DELIVERY, STORAGE, AND HANDLING
B. Handle seating and tables in manner to prevent damage.
PART 2 – PRODUCTS
2.1 SEATING
1. Basic floor mounted seat/table supports.
2. Fully-upholstered chair.
3. Plastic laminate worksurfaces with _________ edge.
B.
Drawings and general provisions of the Contract, including General and Supplementary Conditions, apply
to this section.
. This section includes the following:
complete system of continuous worksurfaces mounted to the floor with integrated support
frames which also support self-returning swivel chairs.
Shop drawings, prepared for architectural drawings and from field dimensions, showing the seating and
table layout, aisle widths as well as a section view with profile dimensions of the seating, tables, and backto-back row dimensions.
Samples for initial selection purposes in the form of manufacturer’s color charts or samples of materials
showing the full range of standard colors, finishes, and patterns.
Statement signed by the lecture seating manufacturer confirming that the products submitted comply with
the specified requirements.
. Provide installer’s qualifications confirming the installer is qualified to install the manufacturer’s chairs
Obtain the complete table/seating system, including accessories and mounting components, from a single
manufacturer.
Design and install seating with end of table aligning from first to last row. Comply with ADA rules and
regulations.
Environmental Conditions: Do not install lecture seating and tables until space is enclosed and
.
weatherproof, wet work in space is complete and dry, installation of finishes including painting is complete,
and ceilings are complete. Do not install lecture seating and tables until ambient temper ature and humidity
conditions are continuously maintained at final occupancy values.
Deliver tables and frames in manufacturer’s original wrapping and the seating in manufacturer’s unopened
.
cartons clearly labeled with manufacturer’s name and contents.
Provide from Theatre Solutions, Inc., 121 Park Avenue, Quakertown, PA 18951, the Forum Lecture
.
Seating as follows:
Model noted is based on the Theatre Solutions, Inc. Forum Lecture Seating with the intent of establishing
the high level of quality required for the project. Other brands submitted for approval will be given
consideration provided that a full seating mock-up, along with a complete list of specification discr epancies
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between the proposed substitution and the product specified is received at least 10 working days prior to
the bid date.
1.
C.
2.2 MATERIALS
B.
2.3 FABRICATION, GENERAL
2.4 MOUNTING
2.5 SEAT/TABLE SUPPORT
B.
C.
D.
E.
2.6 CHAIRS
B.
C.
E. Chair shall include a non-tilt mechanism.
Failure to comply with the warranty described in Part 4 of these specifications will be cause for
disqualification.
Padding material shall be flame retardant polyurethane foam which conforms to the standards of the
.
California Bureau of Home Furnishings 117-75.
Seating fabric shall be _______________________________________________ with the color to be
selected from the standard choice of colors. All upholstery shall be first quality without creases, stretch
lines, or wrinkles.
Fabricate the seating and tables for maximum comfort using materials that are carefully selected to be free
.
from defects, objectionable projections, or irregularities. Smooth round corners and edges to present the
least possible snagging and pinching hazards.
. Fabricate seat/table supports for floor attachment.
Table Stanchion: Shall be a weldment consisting of a base plate and leg tube. The base plate is to be
.
fabricated of 1/4” cold-rolled steel into an 8” x 8” square and is to include (4) countersunk holes for floor
mounting. The leg tube is to be cut from 11 gauge x 3” x 3” welded steel tubing. Parts are to be MIG
welded into a 110 degree diagonal orientation.
rolled steel and is to include (6) holes for fastening to table surface and four elongated slots for fastening to
the Table Stanchion.
machined cold-rolled steel components: (1) 5/16” thick bearing plate, (1) 1/4” thick support plate, (1) 3/4”
thick support gusset, (1) 5/16” thick top plate, (1) 3/4” thick open stop, and (1) 3/4” thick closed stop. All
components shall be fixtured to produce specified functional chair-stop locations and MIG welded. All weld
splatter and metal burrs shall be removed to insure unobstructed operation.
Swing Arm: Shall be a weldment consisting of the following components: (1) welded steel cylinder tube,
internally reamed to accept a tapered cylinder, (1) 1035 steel .75” diameter axle, and (1) tube arm of the
specified length cut from 14 gauge x 1” x 3” welded steel tubing. The cylinder tube shall be welded closed
at the bottom end with a steel plate containing a threaded hole to receive an adjustment bolt that will
provide ease of removal and adjustment of the chair cylinder.
Seat/Table Support Assembly: Shall be a mechanical assembly consisting of (1) table stanchion, (1)
adjustable top mounting plate, (1) arm return mechanism, (1 or 2) swing arms, (1) 1/2” thick steel top
retaining plate, (1 or 2) 17-7 stainless steel torsion springs, and (1) cast aluminum protective cover. All
parts shall be assembled to careful tolerances with Grade 5 machine screws and lock washers. Spring
tension is to be calibrated to insure consistent silent return of the swing arms to the closed position without
the need of excessive force which may cause leg fatigue in the seated occupant. Open and closed stop
positions shall be cushioned with urethane rubber to insure silent operation. Single chair assemblies are to
include fitted blank cover in the place of the second swing arm location.
Chair shall be TSI model Forum.
.
The inner shell shall be an electronically glued plywo od construction of varying thicknesses. The minimum
thickness shall be ½” - 7plys with a maximum thickness of 11/16” - 11 plys. The shell shall be conto ure d to
an ergonomically correct configuration.
Padding material shall be fire retardant polyurethane foam which conforms to the standard of the California
Bureau of Home Furnishings Bulletin 117-75. Foam padding shall not be less than 2” thick at any location
on the seat surfaces and shall not be less than 1-1/2” on any location on the back surface. Foam shall be
2.5 lb. density and 45 lb. IFD rating.
By offering a quote for this project, the bidder assumes full responsibility for complying with the
specifications for this project and shall be totally responsible for any expenses incurred if the
product quoted does not comply with the specifications.
djustable Top Mounting Plate: The adjustable top mounti ng plate is to be formed from 13 gauge cold-
rm Return Mechanism: Shall be an integral component of the table stanchion, consisting of the following
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2.7 WORKSURFACES
B. The edge detail is to be (select one edge detail from the list below)
1.
2.
3.
4.
5.
PART 3 – OPTIONS
3.1 WORKSURFACES
3.2 MODESTY PANELS
B.
C.
D.
3.3 END PANELS
B. The vertical edges are to be self-edged.
3.4
3.5 TILT MECHANISM
3.6 ELECTRICAL SYSTEM/DATA WIRE MANAGEMENT
Tables are to be a 3-ply warp resistant construction with a core of 1-1/8” thick 45-50 lb. density particle
.
board, a 0.020” Kraft backer sheet, and a face material of 0.030” high-pressure laminate.
3mm PVC – 3mm x 1-1/4” PVC on all table edges that would be exposed after installation, with a 1/8”
radius on the top and bottom edges. The table corners are square with an overlap joint.
3mm Hardwood – 3mm x 1-1/4” hardwood on all table edges that would be exposed after installation,
with 1/8” radius on the top and bottom edges, finished to match the architect’s sample. The table
corners are square with an overlap joint.
Bevel – 3/4” x 1-1/4” solid hardwood on all table edges that would be exposed after installation, with a
3/8” x 45 degree bevel detail along the top edge, finished to match the architect’s sample. The table
corners are mitered.
Chamfer – 3/4” x 1-1/4” solid hardwood on all table edges that would be exposed after installation, with
a 1/4” radius on the top edge blending into a 60 degree backcut chamfer edge detail, finished to match
the architect’s sample. The table corners are mitered.
Bullnose – 3/4” x 1-1/4” solid hardwood on all table edges that would be exposed after installation, with
a full 5/8” radius bullnose edge detail, finished to match the architect’s sample. The table corners are
mitered.
Tables are to be a 3-ply warp resistant construction with a core of 1-1/8” thick 45-50 lb. density particle
.
board, a 0.020” Kraft backer sheet, and a face material of veneer. The grain is to run the length of the
worksurface.
Straight modesty panels are to be a 3-ply warp resistant construction with a core of 5/8” thick 45-50 lb.
.
density particle board. The face surfaces are to be 0.030” high-pressure laminate. On laminates with a
wood grain, the grain is to run horizontally.
Straight modesty panels are to be a 3-ply warp resistant construction with a core of 3/4” thick 45-50 lb.
density particle board. The face surfaces are to be veneer; the grain is to run horizontally.
Curved modesty panels are to be 3/8” thick medium density fiberboard with a 1/2” thick x 1” wide birch
plywood strip affixed to the bottom edge. The face surfaces are to be 0.030” high pressure laminate. On
laminates with a wood grain, the grain is to run horizontally.
Curved modesty panels are to be 3/8” thick medium density fiberboard with a 1/2” thick x 1” wide birch
plywood strip affixed to the bottom edge. The face surfaces are to be veneer; the grain is to run
horizontally.
End panels are to be a 3-ply warp resistant construction with a core of 1-1/8” thick 45-50 lb. density particle
.
board. The face surfaces are to be 0.030” high-pressure laminate.
RMS
rms shall be constructed of a steel bar with a self-skinned urethane overmolding. Arms shall be attached
to the chair with an 11 gauge cold-rolled steel bracket. The arms shall be attached to the bracket with (2)
M6 x 20mm bolts, and the bracket shall be attached to the chair frame with (3) 1/4-20 x 1-1/4 Grade 5
bolts.
. Chair shall include a tilt mechanism with a tilt tension adjustment.
Provide manufacturers standard modular electrical system for power distribution. All electrical modules
.
shall be manufactured from BX cable or liquid-tight BX cable, and shall have molded end connectors. The
modules shall connect to each other with a snap fitting designed so that they cannot be accidentally
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disconnected during normal use. Each module shall be securely connected to the underside of the
worksurface.
B.
C.
D.
E.
3.7 COMPLIANCE WITH CALIFORNIA TECHNICAL BULLETIN 133
PART 4 – WARRANTY
4.1 The lecture seating manufacturer must provide a Warranty to the original purchaser of the seating as follows:
A.
B.
C.
PART 5 - EXECUTION
5.1 EXAMINATION
B. Do not proceed until unsatisfactory conditions have been corrected.
5.2 GENERAL
B. Locate seating in locations indicated on approved shop drawings, with required clearances.
C.
D.
5.3
B.
The electrical system shall provide for a minimum of two separate circuits in each row and shall be
configured with two hot wires, a shared neutral and a shared ground.
Each row is to be powered at a single power entry point at the end of the row. The power feed shall be
manufactured from liquid-tight BX cable with a molded end connector at one end for connection into the
electrical system and a 6” pigtail at the other end for connection into the building’s electrical sup ply. Wiring
the power feed into the building’s electrical supply and the parts necessary to do so shall be done/supplied
by others and is not the responsibility of the manufacturer or its’ installers.
Provide manufacturers standard power/data module consisting of two electrical outl ets an d two Category 6
RJ-45 data jacks. Electrical and data jacks are to be black in color. The module shall be mounted in the
worksurface centered and shared between two seated occupants.
Provide necessary quantities of manufacturers standard wire management raceways for the concealment
and routing of data wiring. Data wiring is to be provided and installed by others and is not the responsibility
of the manufacturer or its’ installers.
Seat/Table Supports, Worksurfaces, and Modesty Panels – The manufacturer shall warrant it’s products
against failures and manufacturing defects for the life of the product. This warranty applies to the original
purchaser and is non-transferable. The manufacturer will provide parts and labor to repl ace defective parts
for the first two years after the installation. Thereafter, the manufacturer will provide replacement parts for
the life of the product.
Chair Uppers – The manufacturer shall warrant the product for five (5) years from the date of shipment.
This warranty applies to the original purchaser and is non-transferable. The manufacturer will provide parts
and labor to replace defective parts for the first two years after installation. Thereafter, TSI will provide
replacement parts for the remaining 3 years.
This warranty shall not cover damage from abuse, misuse, neglect, or act of God. Damage caused by
modifications to the product by anyone other than an authorized seating manufacturer technici an will void
this warranty. This warranty does not apply to fabrics or products not installed by authorized seating
manufacturer technicians.
Examine site conditions, with installer present, for compliance with requirements for construction tolerances
.
as they affect anchors and fasteners, and location of junction boxes.
. Comply with seating manufacturer’s printed installation instructions applicable to products.
Install standards in locations conforming to seating layout, with each standard attached to substrate by no
less than two anchoring devices of size and type required to insure that chairs are stable under con ditions
of actual use.
Install chairs using manufacturer’s recommended hardware and fasteners. Insure that chairs in curved
rows are installed on proper radius and are oriented toward the center point of the radius. Verify that
moving components operate smoothly and quietly.
DJUSTING
djust as required to assure that the seats in each row are aligned when in the closed position.
Touch-up minor abrasions and imperfections in painted finishes with coating that matches factory-applied
finish.
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C. Replace any upholstery that has been damaged during installation.
END OF SPECIFICATION
® Herman Miller, Aeron, Equa 2, Pellicle, and Kinemat are among the registered trademarks of Herman Miller, Inc.
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