-
8/9/2019 USF-800 Edge Support Rigid Grid ESRG 400 Mm
1/3
UNITILE USF 800 EDGE SUPPORT RIGID GRID SYSTEM (ESRG) FFH 400
mm
LAMINATED PANEL
UnitileUSF 800 Access Floor panel of size 600 x 600 mm shall be
of pressure molded unitized steel construction, with topplain sheet
and bottom pan of 64 conca! "!m#$%"!ca' &!c!$$!$ o&
#nc&!a$! $*%%o&+ fuse welded at top of eachdome and along
the edges at 1 locations to form a panel of an o!erall thic"ness of
#$ mm% &he panel after cleaning,degreasing, phosphating b' 11
tan" process is finished with 0 ( 60 micron ba"ed epox' powder coat
for maximumadhesion to the panel surface and corrosion resistance%
&he inner empt' core of the panel is in)ected with a
controlleddesign mix of light weight, fire retardant, non
combustible cementitious compound, plasticizers, and stabilizers at
highpressure to full' grout all internal spaces of the panel
ensuring contact of not less than *0+ of the top surface area of
thepanel%
&he panel is then laminated with 1%0 thic" floor grade
Antistatic -igh .ressure /aminate on a semi (automated
lamination
line to ensure maximum bonding to the steel surface% &he
edges of the laminated are protected with conducti!e . edgetrim $mm
wide on all sides% &his edge trim is mechanicall' loc"ed and
sealed in place to a!oid detachment%
SU, STRU-TURE . PEDESTAL ASSEM,LY
Sub structure installed to support the panel shall be suitable
to achie!e a minimum finished floor height of 400 mm fromthe
existing floor le!el% .edestal shall be of All steel construction
and pro!ide eas' ad)ustment of le!eling and accuratel'align panels
for a maximum 2 $ mm in the !ertical direction and shall confirm
speed' assembl' and remo!al forrelocation and maintenance%
&he .edestal head assembl' shall consist of a 3$ x 3$ x #%$0
mm embossed head mechanicall' ri!eted to a 100mm long1*mm dia
rolled formed stud and anti bac" off nuts for le!el ad)ustment and
arresting !ertical mo!ement %&he head
assembl' is fitted with an anti(!ibrational conducti!e cap with
inbuilt isolating spacers for .anel and stringer location%
&he .edestal 4ase assembl' shall consist of //// mm5 of 12
mmthic" pipe mechanicall' loc"ed on a press forperpendicularit' and
then welded to a base plate of 100 3 100 3 /mmthic" with stiffening
folds for enhanced strength 7excellent grip to glue%
&he sub structure assembl' shall be suitabl' anchored to the
floor with suitable adhesi!e or fastener as recommended b'the
manufacturer% All steel components shall be pre(gal!anized%
.edestals shall support an axial load without permanentdeflection
and an ultimate load as laid out in S'stem .erformance
reuirement
STRINGERS
Stringers shall be hot dipped gal!anized steel cold rolled
construction speciall' designed lateral stabilit', and for
enhancedrolling loads and other structural performance of the
s'stem% &he stringer with a ribbed section profile and anti cut
fold shallha!e a counter sun" holes at both ends to accommodate
bolting of 96 machine screws to the pedestal head assembl'%
&he stringers shall be of # x 1 x 0%8 mm of $0 mm
length%
1
-
8/9/2019 USF-800 Edge Support Rigid Grid ESRG 400 Mm
2/3
PERFORMAN-E -ONFORMING TO MASTER SPE-S 10/0 5 0600 ( USA )
A 7 S+&*c+*&a' P!&o&manc! 7 -IS-A A5F 9R!comm!n!
T!$+ P&oc!*&!$ o& Acc!$$ F'oo&$:
-onc!n+&a+! Loa$ 7
#60 :gs ;800 lbf < with a top(surface deflection under load
and a permanent set not to exceed %$ 7 0%$ mm ;0%10 70%010 inch<
respecti!el' according to =SA A>F,Section = ?@ oncentrated
/oads@@
U'+#ma+! -onc!n+&a+! Loa7
*00 "gs ;000 lbf< without failing according to =SA A>F,
Section == ?@ Ultimate /oading@@
Ro''#n; Loa$ 7
heel A 10 passes Bheel 4 10000 passes B 180 :gs ;00 lbf< of
the following magnitude, with a combination of local and
o!erall
deformation not to exceed 1%0 mm ;0%00 inch< according to =SA
A>F, Section === ?@ Colling /oads@@
S+n;!& Loa T!$+#n; 7
10 :gs ;$ lbf< > 0%1 ;$0 lbs < at the centre of the
span with a permanent set not to exceed 0%$mm ; 0%010 inchF,
Section =, [email protected] 5!erturning
9oment &est@@
, 7 O+"!& O%+#ona' S+&*c+*&a' Pa&am!+!&$
7
Un#o&m'< D#$+=*+! Loa (UDL)7 1080 "g>m/with a maximum
permissible deflection of not more than 1%$ mm as
per definition of EUniform load of =SA tested o!er an area of 1
ft x 1 ft for 0 lbf>ft load%No+!7&he uniform loadrating of
an access floor panel as specified here in should not be confused
with the Euniform li!e load as specified inseismic zone
application%
F'oo& Pan!' Im%ac+ Loa7
68 :gs ; 1$0 lbs < when dropped from *1 mm on to 6%$ s%cm
So+ =o< #m%ac+ +!$+on the s'stem shall be with a load of 0
"gs dropped form a height of 1000 mm and shall
compl' to all the performance as specified in the test method
;&1%0#< of 954 .F .S Standards%
Ha& =o< #m%ac+ +!$+ on the s'stem shall be with %$ "gs
dropped from a height of 600 mm and shall compl' to all
the performance as specified in the test method ;&1#%0#<
of 954 .F .S Standards%
2
-
8/9/2019 USF-800 Edge Support Rigid Grid ESRG 400 Mm
3/3
- 7 O+"!& Non $+&*c+*&a' Pa&am!+!&$ 7
F#&! Ra+#n; 7
&he .anels shall confirm to lass 5 7 lass 1 Fire Catings
tested as per 4S 36 .art 6 ;Fire .ropagation< 7 3 ;Surfacespread
of flame< as also AS&9 G8 1**8 ;Flammabilit'< and
AS&9 G1#6 ; ombustibilit' ADS= S3%1 > G= 61#0 but modified
for surface to ground% &o place one electrode on theAccess
floor .anel surface and to attach the other electrode on the
pedestal%Cesistance to be tested at 100>$00 !olts
1% Static dissipati!e range 7 1x106 H 1x10* 5hms ;surface to
ground
