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Application

Fixed seating for lecture theatres and auditoriums.

Description

The LT2 and LT6 seat provide a comfortable and durable floor fixed lecture theatre seat that can be customized to suit all types of venues. Its tip up seat and writing ledge are ergonomically designed to facilitate comfortable listening and note taking.


Features and benefits:

  • Comfortable and durable upholstered seat with ergonomic supporting backrest.
  • Multiple backrest heights available to suit varying tier heights and additionally, to act as an upholstered modesty panel.
  • Seat and shelf depth designed to comply with egress-way requirements whilst maximising seat capacity.
  • Upholstered seat and back has the option of a polished outer plywood panel for additional durability and an enhanced appearance.
  • LT2/ LT6 Seat centres can range from 450–600 mm. Seat centres can be varied to suit site dimensions.
  • Writing shelf depth can be varied depending on the tier depth and rise height.
  • Architectural levels of finish and design.
  • Chairs can be removed to create wheelchair spaces.
  • Fabrics: High performance Camira Target range as standard, other materials available on request.
  • Seat centres can be adjusted to suit available space and armrest requirements.
  • Optional upgrades include seat numbers and row letters.
  • SIS has CHAS Certification (Contractors Health and Safety Assessment Scheme) – SSISP (please see Third Party Certifications).
  • All upholstery complies with BS EN 5852, Source Ignition source 0, 1 and 5 (Crib 5) in respect of flame retardancy.
  • Certified and operates an accredited ISO 9001:2015 Quality Management System (please see Third Party Certifications).
  • Certified and operates an accredited ISO 14001:2015 Environmental Management System (please see Third Party Certifications).

General information

Color

Black

Frame: Polyester powder coated RAL 7021 (standard). Other RAL and PANTONE Colours can be specified.

Grey

Frame: Polyester powder coated RAL 7021 (standard). Other RAL and PANTONE Colours can be specified.

Other

  • Upholstery Fabric: Bespoke to project requirement.
  • Plywood Panels: Stained and/ or Lacquered. Veneer option also available.

Finish

Powder-coated

Frame finish.

Stained

Outer plywood seat and backrest panels (optional).

Lacquered

Outer plywood seat and backrest panels (optional).

Material

Metal

Frame, column and supporting brackets.

Wood

Outer seat and backrest panels (optional), internal supporting plywood. 

Medium density fibreboard (MDF)

Integral writing shelf. Formica fundamentals laminate with matching ABS edges – Colour to match order.

Foam

Seats and backrest: Polyurethane Upholstery Foam. 

Polyurethane

Shape

Rectangle

Length

300 mm

400 mm

Width

450 mm

475 mm

500 mm

525 mm

550 mm

Show more

Height

870 mm

Bespoke

WarrantyDescription

An SIS certificate provides the following warranty information subject to fair wear and tear and for normal use of the product. 


The retractable seating structure is guaranteed for a period of ten years from the date of installation. This is subject to an annual service being carried out by SIS trained engineers and fair wear and tear. All components supplied must be fitted as per SIS instructions. 


Only an SIS approved technician must service/ repair/ modify an SIS seating system, if any work has been done by others the retractable seating system will be void of all warranties and SIS reserve 

the right to decline any requests/ orders for further servicing and repairs.


The upholstery (foam and fabric) is also subject to a three year warranty from the completion of the installation. However, 

we cannot be held liable for any damage caused by others to the upholstery.


Electrical Components are guaranteed for a period of one year.


The warranty does not cover abuse or misuse of any part of the retractable seating system.

Ten year

Retractable structure/ tier.

Three year

Upholstery foam and fabric/ PU.


Subject to manufacturer’s warranty.

One year

Electrical components.

Uniclass

Pr_40_30_29_29 Fixed seatsPrimary

CAWS

N10/25 Chairs

N10/171 Fixed seating

Specification data - Fixed seats

Fire performance

To BS 5852 Ignition Source 5.

Fabrics and seat foams meet the appropriate fire regulations. Consult manufacturer for details.

Functions

Auditorium.

(and Lecture Halls.)

Dimensions

-

Seat spacing (lateral)

Seat centres can be adjusted to best suit space requirements and can range from 450–600 mm.


Insert requirements; consult manufacturer for more details.

Row spacing

Insert requirements; consult manufacturer for more details.

Seats and backs

-

Material

Upholstered.

Upholstered seat:

  • LT2 seat base measures 400 mm deep (LT6 = 440 mm deep). Internal 15 mm plywood base with all corners rounded and sharp edges removed.
  • Seat foam to be 75 mm thick overall, consisting of 25 mm thick 6 lb Recon foam with a 50 mm CMHR 50 top foam. Top foam to be complete with skirt which is to be wrapped over the front edge and front corners of the seat plywood. This gives protection to the seat base covering fabric. Underside of the seat to be finished with 3 mm thick plywood base, upholstered in selected fabric. (Same for LT6)
  • Seat foam density: 50 kg/m³.


Backrest:

  • 300 mm deep (LT6 = 400 mm deep). Internal 15 mm plywood base with all corners rounded and sharp edges removed. 
  • LT2 Back foam to be nominal 50 mm consisting of 25 mm thick 6 lb Recon foam wedge (25 mm to 0 mm) and 25 mm V38 Top foam. Back foam to be complete with skirt which is long enough to be wrapped over the front edge and top corners. This gives protection to the back unit covering fabric. Upholstered in selected fabric. 
  • LT6 Back foam to be V38 foam, CMHR, 35 mm thick plus 25 mm lumber support. Back unit upholstered in selected fabric. 
  • Back foam density: 38 kg/m³.

Upholstered with exposed plywood panel.

  • Seats and backrest fully upholstered with the addition of stained and/ or lacquered plywood panels for the backrest and under seat.

Finish

See ‘SIS Materials and Finishes’ (Literature) for Standard options. Insert requirements if applicable.

Colour

See ‘SIS Materials and Finishes’ (Literature) for Standard options. Insert colour reference if applicable.

Frames

-

Material

Mild steel.

Finish

Powder-coated.

Colour

Black grey.

Polyester powder coated RAL 7021.

Other.

Other RAL and PANTONE Colours can be specified. Insert colour reference if applicable.

Integral accessories

Not required.

Tiering.

SIS are able to supply fixed tiering to support our various ranges of floor fixed seating.


Cables.

Apertures can be cut into writing shelves for placement of power and data equipment.

Fly line.

A horizontal ‘fly line’ can be upholstered into the back rest for higher backrests.

Letters/ numbers.

Optional row letter can be attached to end of row stanchions. Also, option to have seat numbers fixed to the underside of the seat.

Harvard style.

Seating and tiering can have tight curved rows creating an intimate Harvard style lecture theatre setting.

Modesty panels.

Primarily for the front row of seating, can be either laminated or upholstered.

Removable seats.

Where required seats can be removable allowing seats to be moved with little disruption.

Mobile tables.

Mainly for wheelchair users, provision for a mobile table that can be easily moved into position. 

Depth

Seat depth.

400 mm.

Front to back.

Shelf depth

290 mm (standard depth).

  • 18 mm MDF – Laminated top face with Formica Fundamentals Pewter grey 6632 (balanced underside) with matching outside of the outside backrest.
  • Shelf depth and width can be tailored to suit space requirements.


Insert requirements if applicable; consult manufacturer for further details.


Backrest height

300 mm.

 Top to bottom.

Digital objects

Platform Compatible Version Certified to
Revit
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1

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IFC
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1

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