Menu

Nelson Adams NACO

TABLES AND BENCHES SPECIFICATIONS

PART 1 – GENERAL

1.01 SUMMARY

A. Provisions of Division 01 apply to this section

B. Section includes:

1. In-wall Folding Tables and Benches in fully recessed storage pockets or surface mounted as indicated in the drawings.

1.02 SYSTEM DESCRIPTION

A. Smart system secure locking mechanism AEL-8100, automatically latch and lock when placed into the wall pockets without the use of a space lock key (Z-17A), manual locking device is not acceptable.

B. Provide folding tables and bench seats with integral wall pockets and unitize under structure.

C. Table and bench opening and closing devices must incorporate a spring-assist safety mechanism, which will prevent tables from smashing onto floor; this will reduce lifting requirements to close tables.

D. Tables and benches shall be provided with key operated locks.

E. Deploying tables from wall pockets shall be done by manually releasing a latching retainer mechanism, which automatically locks when the tables and benches are folded into the wall pockets. Cabinets locking holes or tabs shall be aligned with the table and bench locking devices so no excessive force will be required when folding table into pocket.

F. Each pocket unit shall be installed with two mullion locking devices.

G. Operating mechanisms for tables and benches must allow tables to be secure in the semi-open position for ease of cleaning and movement.

H. Latches that lock tables and benches in the down position (automatic anti-jack knife) must be designed so that they cannot be disabled and need to be adjustable. They must be fail-safe the automatic safety down lock latch must be operate from either side for ease of operation and set-up. End legs and center legs shall be equipped with fixed non-marking rubber wheels. Center legs can have a non-marking metal glide if specified by the architect/owner.

I. Finished surfaces of tables and benches shall be free of lock holes keyways with automatic covers are acceptable. Vertical clearance between tables and benches shall be minimal to prevent passage of food and debris.

J. Provide and arrow (bold 2” x 3”, contrasting color) on the end of each table and bench to indicate the direction tables and benches are to be oriented into wall pockets.

MATERIAL

A. Table and Bench tops to be high quality 3/4” thick core. Density of the core to be not less than 45 pounds per cubic foot with hardness of at least 1,000 pounds and modulus rupture not less than 2,900 per square inch. Core shall be surfaced with a general purpose grade 0.50 thick plastic laminate by Wilsonart or Formica brands with a 0.20 balance sheet on the nonexposed surface. Colors shall be selected from the standard grade and color selections. Black Shatterproof Durable Edges. Panels shall be securely fastened to the undercarriage with screws.

B. Tables shall be 14’ – 0” long by 29” wide.

C. Benches shall be 14’ – 0” long by 11 – 7/8” wide.

D. Tables and benches undercarriage shall be completely self-supporting and structurally independent of the top panels. Undercarriage (legs and framework) shall be constructed steel welded to the 1” steel tubing.

E. End legs shall be equipped with fixed non - marking rubber wheels. Center legs to have a

F. Each table and bench shall be equipped with a safety spring assist assembly.

G. Each table and bench shall be equipped with three locks. The automatic safety lock at the top of each cabinet of solid bar stock steel and one manually operated “Space Lock” with automatic popout Knoxlock. The manually operated “Space Lock” and linkage shall consist of 5/16” steel pins, 3/16” steel arms and a 14 gauge swivel plate. The “Space Lock” shall have a positive ball bearing release and be built in to each key. The third lock is the manual mullion lock.

H. Automatically locking Anti-jacknife device shall be standard on al tables.

I. Steel pockets shall be fabricated of 16 gauge cold rolled steel with a 16 gauge cold rolled steel back. Pockets shall be shipped complete for field installation and all vertical mullions shall be completely closed and finished. Powder coated black before delivery.

J. All legs and movable parts to be powder coated with standard black finish.

1.03 SUBMITTALS

A. Shop drawings: Submit shop drawings indicating complete layout anchorage and installation details.

B. Product data: Submit manufacturer’s catalog data for each item proposed for use.

C. Certificates: Furnish manufacturer’s certification that materials meet or exceed specifications requirements.

A. QUALITY ASSURANCEQualifications: Manufacturer of in-wall folding tables, benches, frames, smart system secure locking mechanism AEL 8100, assemblies and components shall be standard products which have been successfully manufactured and tested for not less than (5) five years.

1.04 DELIVERY, STORAGE AND HANDLING

A. Deliver materials to the project site in the original unopened crate or package with manufacturer‘s labels intact and legible.

B. Provide all means to protect folding tables, benches and recessed cabinet before, during and after installation. In case of damage, immediately provide necessary repairs and/or replacements.

1.05 WARRANTY

A. Manufacturer shall provide a 5 years Parts warranty.

B. Manufacturer shall provide a 10 year warranty on factory performed welds.

C. NELSON ADAMS SHALL NOT BE LIABLE FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES ARISING FROM ANY PRODUCT DEFECT. THIS WARRANTY CANNOT BE HONORED UNLESS NELSON ADAMS IS PAID IN FULL FOR THIS PROJECT.

 

PART 2 – PRODUCTS

2.01

PERFORMANCE

A. Tables and benches shall incorporate an automatic latch and lock safety feature without use of

a. A key.

B. Table and bench opening and closing devices must incorporate a smart system secure locking mechanism AEL-8100 hydraulic assembly or a spring-assisted safety mechanism, which will prevent tables from crashing onto finished floor and reduce lifting requirements to close tables.

C. Operating mechanisms for tables and benches must allow tables to be secured in semi-open position for ease of cleaning and movement.

D. Latches that lock tables and benches in down position (automatic anti-jack

knife) must be designed so that they cannot be disabled and must be adjustable. They must fail-safe the automatic safety down lock latch must operate from either side for ease of operation and set-up.

A. Finished surfaces of tables and benches shall be free of lock holes for reasons of sanitation and appearance. Keyways with automatic covers are acceptable. Vertical clearance between tables and benches shall be minimized in order to reduce food and debris falling on the floor and increase safety.

2.02 CONFIGURATION

A. In-wall mounted folding tables and benches:

i. Folding table and bench seats shall be single or multiple sets per design, fitting completely in fully recessed single steel storage pocket. Single tables and benches shall be between 13’-9” and 14’-0” long, double tables and benches between 27’-6” and 28’-0” long. Tables should not be less than 29” wide and benches shall be not less than 11 ½” wide, unless otherwise specified.

ii. Provide accessible wheelchair spaces at table ends and sides, with bench seat removed at double table unit adjoining a wall.

iii. Heights shall be as indicated for the following locations:

a. Accessible: Tables – 30” and benches – 20”.

b. Elementary Schools: Tables between 28” and 30” benches between 18” and 20”.

c. Middle, High and Adult Schools: Tables, between 28” and 30” benches between 18” and 20”.

d. Heights shall be applicable to the age of users

iv. Tables and benches shall have a minimum of 5 point (includes mullion locks) multiple locking system. Table and benches shall have an automatic locking device when folded into the cabinet. Operating lock linkage shall have a minimum of 3/8” hardened steel pins, 5/16” steel arms and 14 gage swivel plates. Locks shall be easy to reach and centrally located. The locking system shall lock tables and benches in either open or closed positions. Lock handles shall be furnished with over-center cam action to extend or retract lock bolts for positive locking and unlocking. Lock handles shall be parallel to underside of tables or benches when properly locked or unlocked. Provide safety feature to visibly indicate that the lock bolts are engaged in the wall pockets. Proper alignment with the pockets must be achieved before units are used or stored.

v. Provide 3 keys that operate tables and benches.

vi. Provide one lock box with 3 lock box keys to be installed in a secure location next to the table pocket(s) for the tables and benches operating keys.

vii. Any key with restrictive procedures for its replacement with not be accepted.

viii. Load bearing latching components shall be securely attached to the table and bench frame. Connections to the table and bench sheet material only will not be accepted.

ix. When pull rings are used they shall be a tamper resistant type. Example 3/32” stainless steel braided cable formed to a ring with a 3/32” crimped sleeve.

x. Storing of tables and benches into pockets shall not require excessive force by the end-users.

xi. Establish a numbering system for pockets, tables and benches. Numbers shall correspond with each pocket, table and bench units. One 2” tall number attached to all center legs of the corresponding tables and benches. Numbers are to be tamper proof (no decals). Pockets with multiple tables and benches shall be listed as 1A, 1B, 1C, etc.

A. Wall pockets: Fabricate with minimum 16 gage sill and minimum 16 gage vertical columns. Wall facing shall be furnished with 2” overlaps at jambs. Pocket cabinets shall be furnished with manufacturer’s standard rustinhibitive primer.

2.03 FINISH

A. Metal parts shall be thoroughly cleaned in detergent-phosphate combination plus an acid rinse to resist corrosion and provide maximum paint adhesion, then finished with high-grade electro statically installed baked-on epoxy powder coat finish. Color as selected by the Architect from the manufacturer’s standard color selectors.

PART 3 – EXECUTION

3.01 INSTALLATION AND ADJUSTMENT

3.02

A. Install wall pockets level, true and plumb in accordance with manufacturers Installation instructions: install anchors, screws and fasteners where indicated by Manufacturer. Fasteners shall not prevent positive closure. Submit details to Architect for review or provide physical sample to be reviewed before fabrication.

B. Upon completion tables and benches shall be installed in wall pockets and adjusted for proper alignment and operation.

CLEANUP AND REPAIR

A. Before substantial date of completion, repair any damage and clean exposed surfaces.

B. Remove rubbish, debris and waste materials and legally dispose of off the project site.

3.03 PROTECTION

A. Protect the work of this section until substantial completion.

Nelson Adams reserves the right to vary specifications consistent with a policy of continuous product improvement.