SECTION 05515
Fixed Aluminum Wall Ladders
PART 1: GENERAL
1.01 SUMMARY
A. Aluminum Fixed Vertica Ladder including
ladder. cage. rest platforms. floor mounting
brackets, security doors. walk-thru side rails.
and security gates.
B. Products required. but not supplied under
this section.
1. Required fasteners.
1.02 SYSTEM DESCRIPTION
A. The system is an aluminum ladder
designed to attach to a wall. A cage is
required for ladders exceeding 20'O' (or at a
height dictated by local codes). A rest plat-
form(s) is required so that no ladder seg-
ment exceeds 30'O' in height. Floor mount-
ing brackets are optional when ladder bot-
tom is at floor level. A safety cap at the top
of the stringers is furnished on ladders
requiring same. Standard riser height is 12".
Ladder shall be able to withstand 1.000 lb.
loading without failure.
B. Security doors and walk-thru side rails can
be furnished as an option.
1.03 DELIVERY, STORAGE, AND
HANDLING
A. Examine ladder when it arrives on site.
Notify the carrier and manufacturer of any
damage.
B. Store ladder until installation under roof. if
possible; or. if stored outside. under a tarp
or suitable cover.
1.04 WARRANTY
The ladder carries a limited warranty of one
(1) year against defective material and
workmanship. covering parts only, no labor
or freight. Defective parts. if deemed so by
the manufacturer. will be replaced at no
charge, freight excluded. upon inspection at
manufacturer s plant which warrants same.
1.05 MAINTENANCE
A. Under normal usage, the ladder shall
require no preventive maintenance.
B. No "spare parts' shall be required.
2.02 MATERIALS
A. LADDER
1. Stringers (Siderail)
1.1 Aluminum channel. (6005-TS)
1.2 2 1/2 x 1 1/16' x 1/8".
1.3 1/8' molded polyurethane safety caps
provided at top.
2. Treads
2.1 Extruded aluminum (6005-TS)
|
2 1/4" x 3/4" x 1/4".
2.2 Treads deeply serrated for safety.
3. Mounting Bracket
3.1 2 x 3" x 1 4" aluminum wall bracket
3.2 1/2" x 2" x 3" floor bracket. (Optional)
B. WALK-THRU
1. 1 1/4" aluminum square tube.
2. 4" x 4" x 1/4" aluminum mounting
brackets.
C. CAGE
1/4" x 2" aluminum flat bar welded together
& mechanically fastened to siderails.
(6005-T5).
D. REST PLATFORM
1. 37 1/2" x 63" standard. (Larger sizes
optional)
2. 1/8" aluminum treadplate standard.
(Other surface optional)
3. Aluminum toe boards. (6063 T-6)
E. SECURITY OPTIONS
1. 1/8" aluminum door (3003-H14). (Optional)
2. Hinged gate at bottom of cage.
(Optional)
F. SAFETY
1. 42" handrail at platforms.
2. Fall prevention system for protection of per-
sonnel. (Optional). NOTE: May be used on
tower. water tank and chimney ladders in
lieu of cage where codes permit.
G. MANUFACTURED UNITS
The Fixed Vertical Ladder is a Model FL-
(a Total level to level in inches)
H. ACCESSORIES
None
I. FABRICATION
1. The ladder is completely fabricated and
ready for installation before shipment to the
site.
2. Any walk-thru. Cages. platforms. and secu-
rity doors are completely fabricated and
ready for field attachment to the ladder
before shipment to the s te.
J. FINISHES
1. Mill finish on aluminum ladder components.
2. Finish options include primed for field
painting. enamel painted. powder coat
painted or anodized. (Optional).
PART 3: EXECUTION
3.01 INSTALLATION
Install per the manufacturer s installation
instructions. |