a2/0e/L0
DESTGN NO.D13652
SECTION LO72O
WINDOW GUARDS
PART
1 -
1.01
GENERAT
DESCRIPTION OF
WORK
A. Provide window guard and transom guard Work as indicated
on Drawings and as specified herein, including, but not
limited to, the following:
L.02
1.
Wire Guards
2.
Expanded Metal Guards
3.
Guards at windows with air conditioninq units.
4.
Shop Coat
5.
Ztnc/Aluminum Metallizing with Finish Coating System
Painting (interior)
(exterior)
REFERENCES
A. References and industry standards listed herein and
throughout this Section are applicable t.o the Work of
this Section.
Unless more rest.rictive criteria is
explicitly cal-l-ed-out in these Specifications or mandat.ed
1-rrr f ha
Drr i 'l rl i na
lanAa
vvvg
,|-
/
hc
urrv
re.frl i rements
vrrre
r v\aur!
deSCf ibed
in
Lhe
ref erenced standard shall- be deemed applicable to t-he
Work. This includes language in the documents in the form
of a recommendation or suggestion, which shall be deemed
as mandatorv
1.
American Society for Testing and Materials
.A36 Standard SpecificaLion
Steel
for
(ASTM)
.
Carbon SLructural
A307 Standard SpecificaLion for Carbon St.eel Bo-Lts
and Studs, 60 000 PSI Tensile Strength
2
-
3.
NYCSCA
American Welding Society
(AWS)
.
The Society for Protective Coatings (SSPC, formerly
Steel St.rucLures Paintinq Council) .
wrNDow GUARDS
L0720
1
L2
DESIGN NO.D13652
/ ae /10
1.03
SUBMITTALS
A. Product Data
1.
Catal-oq sheets
2.
Submit manufacturers'
Metallizinq
J
.
5/ 5
li
U
-
_1
-
ZIT\C
specifications
for
Zinc
/ Allum]-num wrre
l^-
Epoxy paint system or powder coaL system
4.
rJ. snop
1.
urawr_ngs
LocaLron schedules
2.
Section and connection detail-s at 3/4" = 1'-0" scale,
minimum, of Work in this Section.
3.
Indicat.e how release mechanisms are coordinated with
operat.ing sash on shop drawings
C. Samples
Provide I2n x I2t' samples of each type of wire mesh and
expanded steel- sheet, f ramed with angles or channel-s.
For exterj-or window guards, one-half of sample shaII be
with zrrrc metallizing exposed on front. and back of
sample, and the other hal-f shall have the complete
coating system as specified.
Samples shall meeL the
performance and inspection requirements for window guards
as specified herein.
D.
Test Reports
Submit t.est reports for zinc metallizing and coating
system as specified herein, paragraph 2.02.H.1, titled
"Galvanj-zing by the Zinc Metallizing Process; and Finish
flaal
.UU4
.t.;
.
^-t,
L f- IIq
gl-la_Lr-Il_CatlOnS
Provide proof
sneci f .i ed
pysuMEg
11h^^ullug!
qualificatj-ons
NYCSCA
of
Zinc Metalllzer's
\\^,,-'r
vuaa!uy i fv
AssrrrAn.,e'l /:
Fppu!qtrvg
qualifications
certi
f i catiOn
ve!
u!!rvqr
Of
by one of the following:
W]NDOII GUARDS LO72O
-
2
L2/Oe/L0
DESIGN NO.D13552
1.
A branch of the U.S. Dept. of Defense
2.
A company certified by U.S. Dept. of Defense (submit
DoD certification
for this company) , ar
3.
The Society for Protective Coatings
(DoD)
, or
(SSPC)
F. Warranties
Warranties as specified in Par. 1.06.
G. Extra Materi-al-s
For factory painted items, Manufact-urerfFabricator shall
provide touch-up paint in sufficient amount for Project.
L.04
QUALTTy ASSURjN{CE
A. ftems provided in this Section shall be manufactured and
fabricated by firms experienced in type of Work
qna^'i
f i arl
B. Installation
shall be by Install-ers experienced in type
of Work sOeCified fOr lcsnor,l-irre
it-cm.
. vul/uv
C. Zinc metallizer: The company or individual responsible
for application of zinc metallizing sha1l be certified as
qualified to perform this process by one of the
following:
1.
Certification in accordance with Mil Std 2L38 or Mi1
Std L6B7 by a branch of the U.S. Dept. of Defense,
or by a company that is certified by the Dept. of
Defense in accordance with either one of these
militarv standards.
2.
Thermal Spray Cert.ification
Protective Coatj-nqs (SSPC) .
1.05 DELIVERY,
by The Society for
STORAGE. AND HAI{DLING
A. Before and during shipment to Site, adequately protect
products.
B. Store product.s in conditions requj-red to prot.ect
f rom
A^^^-^
uatLtduE.
NYCSCA
}IINDO}T GUARDS
TO72O
3
t2/ oe /10
1.06
DESTGN NO.D13652
WARRANTIES
A.
Window guard manufacturer's written warranty shall be
provided for window guards for labor and materials for
two vears from date of accepLance.
B. The Contractor's warranty that units shall not show signs
of rust, and finish shal-l be fully warranted against
peeling, cracking, crazrng, bl-istering, chalking and
fading for a period of 5 years from date of installation
of products . f f rusting or f ai-l-ure of coating occurs,
new window guards shall be provided or coati-ng shal-l be
refurbished.
PART
2
2-
.07
PRODUCTS
I'AITUFACTURERS/FABRTCATORS
A. Window Guards:
1.
Star Wi-re Mesh Fabricators, New York,
2.
Kenco Wire & Iron Products, Inc.,
3.
Harmony Products, Inc.,
4.
S & L fndustries Inc., Brooklyn,
5.
Kane Manufacturing Corp., Kane,
6
-
'l .
Keansburg, NJ
Emigsville,
PA
NY
PA
Avant Guards Manufacturing, Brooklyn,
MBA
NY
NY
Bros. Inc. , Maspeth, NY
B. Zinc Met.allizing:
1.
Coast
Metallizing
&
Coatings
Corp.
,
& Coating Systems Inc.
,
NY
2.
Avant Guards Manufacturing, Brooklyn,
3.
East Coast Metallizing
Westbury, Ny
4
NYCSCA
Atlantic
Melville,
-
f sland Wide
NY
Sandbfasting Inc. , Wyandanch,
WINDOVT GUARDS
NY
TO72O
4
L2/Oe/70
DESIGN NO.D13652
5.
C.
PA
Powder Coatinq Materials
1.
2.
3.
2.02
Reneuxit LLC, West Chester,
Tiger Drylac, Ontario, Cal-ifornia; Series 38 Super
Durable Powder Coatinq.
PPG
Industries, Pittsburgh, PAi Coraflon
Ul-tradurable Powder Coating.
The Sherwin-Williams Co., Cleveland, OH; Powdura
Super Durable Powder Coat.ings Series.
I"IATERIAI
A. Provide window guard Work as
specified herein.
1.
2.
shown on
the Drawings and as
Wire Mesh Guards
a.
St.eel wire: 11 gage, L-A/4" diamond
b.
Provide 7/8" channel frames covered with I/8"
thick filler where indicated on Drawinqs.
mesh
Expanded Metal Guards
a.
Carbon st.eel sheet.: MIL-M-
b.
Window Guard Type A: No. 9, L-1,/2" Diamond
eattern,
nl
^^^
La4-D
c.
O
Jtg"
thick,
A'7L94D
.
Type TI (flattened)
,
TT
rI
Window Guard Type B: No. 6, 7-l/2" Diamond
e
ict , Type I (standarcl) ,
UI4D-
]]
B. Provide braces, clip angles, expansion bol-ts, tap screws,
and oLher accessories required to set and secure wire
mesh and expanded sheet. metal Work in place.
C. Padlocks for guards are specified under Hardware, SecLj-on
08710. Rivet. padlock chains to guards as directed by t.he
Authority.
D. Hot-rolled steel members: ASTM A36.
NYCSCA
WINDOW GUARDS
LO72O
5
72/Oe/tO
DESfGN NO.D13652
Cold-roll-ed sLeel members: Grade C.
F. Connection Bolts: Stainless sLeel- for exLerior work;
A307 for interior work.
e
Elvn=nci nn Rol 1-s: 7,inc- n]ated
Galrraniz.in.:,
krw fhe
ASTM
CafbOn Steel.
Pror-ess: ,
7,inc- Mef:ll'izino
an.l
Finish
srfs
Coating:
(referred to herein as
zinc metal-lizing) is the process of thermally
applying an 85 / 1,5 zLrtc-af uminum wire over the
Zrncfaluminum metallizing
surf ace of
steel-.
Zinc metallizinq
and finish
coatlng system shall have the following performance
characteristics and results of tests performed on
rFnrA<rA?1l-:|-irra
!vl/rsDErruquf
acceptable)
vs
crmnlaq
Dqr[yrsD
/hnr
\rrvL
rlih
ufl/
nr'lrrrn'i
zina
Yq.fva.LLLLLLLY
i ID
na{IrLru
:
Adhesion: Test zinc metallizing with complete
finish coating (epoxy coating system or powder
coating system) in accordance with ASTM D454Ll
Test. Method E. PuI1-of f strengt.h throughout
nei
svsfem shal-1 be nOt l-eSS than ?qn v"before and after environmental- cycling.
the
Environmental cycling shall be 10 cycles of the
following:
4 hrs at 100? humidity per ASTM
DL735; L6 hours below 0oF; and 4 hours at
14 00F.
b.
Corrosion resistance of zlnc metallizing with
epoxy coat. system or powder coating: A rating
of 10 after 1000 hours salt fog (prohesion
method) when tested in accordance with ASTM
D1554, Procedure A.
Scribe shall be cut
t-hvn,.^h
^^^!.i".-^ to bare steel substrate.
-'r'r L-uclL_LILvD
LrrruuYrr
arr
Expose specimens in accordance wit.h ASTM GB5.
c.
Powder coating
complying with
the following
ASTM st.andards:
Flexibility
conical mandrelPencil hardness t.est
Impact resistance test
Overbake resisLance test
NYCSCA
D522
uJ 5O3 \n- Zn)
h^
-
--
/r'
^rr\
D27 94
D2454
WINDO}T GUARDS LO72O
-
6
t2/oe/t0
DESIGN NO.D13652
Abrasion resistance test
Humidity resistance test
Weat.herabilitv test
2
2.03
-
D406 0 (Mod)
D2247
DB22
Galvanizing repair paint. for regalvanizing welds and
damaged areas shall conform Lo ASTM A7B0 and comply
with Military Specification MIL-P-2L035, such as ZRC
Cold Galvanizinq Compound.
FABRICATION
A. Welding shall comply wit.h requirements of AWS. Grind
wel-ds smooth -
shall be mortised and tenoned at corners.
P
Frames
C.
Unless otherwise indicated, hang guards with galvanized
3'/r" x 2'/n" fast pin steel butts and secure in place
wit.h hook rods, snaphooks, and chains. Provide interior
guards wit.h vertical slots for passage of window poles.
D.
Provide padlocks for guards at windows in stair
enclosures, corridors toilet rooms and at roof levels
above street level, in lieu of hook rods, snaphooks,
chains and pins. For padlocks, see Section 08710.
E.
Window guards,
unless otherwise shown, sha1l cover entire
window opening. Where hinged guards cannot be opened due
to obstructions, provide removabl-e upper sections.
F. Provide windows at roof level-s with hinged guards
lower sash
on
Provide angle steel frames and accessories of size and
shown on Drawings or otherwise required to meet the
requi-rements of this Sectj-on.
H.
Window Guards
sections.
NYCSCA
over B'-0" hiqh shall- be fabricated in
2
I.
AII screws and bolts shall be tamper-proof.
K.
Provide an open hole for each exterior window guard where
required to permit access to the operating latch for the
Fire Department. These hand holes sha1l be provided only
at locations above the first f1oor, or one story above
WINDOW GUARDS LO72O
-
7
L2/Oe/L0
DESIGN NO.D13652
low roof s. Provide t.rim around all 4 sides of hand
to cover edges of wire mesh or expanded metal.
hol-e
L. Provide an open hand hole for each interior window guard
where required to permit access t.o the operating latches
of projected windows. Provide trim around all 4 sides of
hand hole to cover edqes of wire mesh or expanded metal.
2.O4
EXTERIOR WINDOW GUARDS
A.
Provide exterior guards for windows and transoms as
indicated on Drawings. Guards shal-l- be of expanded metal
unless otherwise shown on Drawinqs.
2.05
INTERIOR WINDOW
A.
2.06
GUARDS
Provlde j-nterior
guards at
locations
indicated
on
Drawings. Guards shall be of wire mesh unless otherwise
shown on Drawinss.
WINDOI{ GUARDS AT
AIR
CONDITIONER }IINDOWS
A. Fabricate to encl-ose air conditioners on all five sides
as det.ailed on Drawinqs
-
Opening and boxed area for air conditioners shal-l- be
large enough to allow window guard to swing open where
conditions permit.
conditions do not. permit guard to open with basket
i f :I'rri luqLg
a'=f a nrr=rrl
abricat.ed as part of window arrrrrl
III
!qv!
Y Uqr9/
Y uaru
two sections with lower basket section fixed i-n nlace and
Where
f
'lrl1r1ar
P,
qor.l- i nn
rrnar:l.rl
a
New Guards:
For new window guards, provide expanded metal, Type A or
Type B as indicated in Par. 2.02 A.2
C. Existing Window Guards:
1.
NYCSCA
Where existing guards need to be extended or
modified in existing installation,
mat.ch new work
with construct.ion of existing
guards, unless
indicat.ed otherwise on Drawings or specified herein.
WINDO}T GUARDS
LO72O
8
L2/Ae/tO
DESIGN NO.D13652
Al-ter existing guards, where applicable, to suit.
conditions and location of new air conditioner.
2.O7
GALVA}ITZTNG
A.
BY THE ZINC METALLTZTNG
PROCESS
Cleaning and Surface Preparation
1.
Clean in accordance with SSPC-SP10 before zartc
metallizing.
Surface shall have a 3.0 to 4.A mil
anchor pattern. Moist.ure cannot be present on st.eel
and temperature cannot be less than 5"F above t.he
dew
noi nf .
Therma'l
glar:rz
mrr
qi-
l.ro ann'l i cd
hours of blast.incr.
B.
wi f h i_n 4
Shop Coat
Zinc Metallizing: provide for galvanized
items to have finish paint. Hot dip galvanizing is not
acceptable.
1.
Thermally spray material at a rate of 4.0 to 6.0
mils DFT. Sprayed coating shall- be free of lumps,
blisters, and loosely adhering particles.
Coating
passing
the
inspection
shall be capable of
requirements of Mil St.d 213 8A (SH) of 5 / 13 / 92 , but
with adhesion 150 psi minimum per ASTM D454L, Test
tvlecnoo.
.E; .
After material- has cured, apply epoxy coat system,
or powder coating system, dS described in the
Art.icle below titled "Paintins".
2.O8
PAINTING
A.
Interior window guard Work, including frames, wire mesh,
and accessories shall have one shop coat of Tnemec 10-99
paint as specified in Section 09900. After erection or
.i
*^F-'r'r
r--^-^r
-r..i ^-. t d)^J-'r'r (rdtLtdYcLt
L-d-f f d-Lf,\Jrr
rrrD
and rivet.s shall be
finish
B.
neintinc
yq+rrurrrJ,
:hon
r-na1and surf aces of boj_ts
qlru
brru!,
uuau
touched up with type of paint. For
caa Qon+-inn 09900.
uvv
Exterior window guard work consisting of steel wire mesh
and expanded st.eel sheet, incl-uding f rames, hinges,
connection bol-ts, expansion bolts, and miscellaneous
narf
yqrLD s
and
qrru
FF.i
!TLLIIIy>/
fi
-^^
^1--'r'r
5lICr.II
l-ra
Fanl r\z_coated
Us
rqUuv!J
with
metallizing, and then painted with epoxy coating
f i n'i sh or nowder
NYCSCA
r-cla
ZLTIC
system
|'i no f i-niSh.
WINDO}I GUARDS
LO72O
9
L2/ 09 lto
DESIGN NO.D13652
1.
Epoxy Coat Syst.em - f actory-applied
1st Coat - Polyamide Epoxy Paint.
such as Tnemec Series 27 FC Tlpoxy,
applied at the rate of
4.0 to 6.0 Mils DFT.
SSPC-PS Guide 13.01
-
)nd
f-r'ra
|
('l'r'rn
Coa
Aerwl
vvqu f. I)
\ rv.Ll
- ^vL
I L
i-C
Aliphatic Polyurethane
such as Tnemec Series 73
Endura-Shie1d,
applied at. rate of
2.0 to 3.0 Mils DFT.
SSPC-PS Guide 17.00
't \zh6
't t/"
h
Powder Coating System - factory-applied
z.
a.
Oven bake item for 20 mj-nutes at 450oF, and
remove all- oil and grease.
Cool surface to
'72oF, clean with an organic solvent.
Apply
paint. within 3 hours of final cleaning.
b.
Apply an out-gas-forgiving primer at the rate
of 2-3 mils DFT. Oven cure material at 400oF
for 10 minutes.
In order to avoid oxidation, final- topcoat
be applied wit.hin 12 hours.
d
Apply a lead-free TGIC polyester powder topcoat
finish at. a raLe of 4-5 mils DFT. Colors, as
ar't- Arnhi!ggl
sc'l cr.l- ed hrr f ha Drni
rrvJvv
c-
must
.
Oven cure at. 400oF to 450oF, for 30 minutes, or
as recommended bv coatinq manufacturer.
PART
3
3 -
.01
EXECUTTON
INSTALI,ATION
A
Install
continuous steel angles and angle clips
at
masonry jambs for hanging of window guards. Anchor angles
to masonry with 3/8' diameter zinc plated sl-eeve anchors
aL
NYCSCA
16
rr o. c . max.
WTNDOhI GUARDS
LO72O
10
L2/ 09 /L0
DESTGN NO.D13552
B. Erect guards and ot.her Work of this Sect.ion, rig'id,
straight and plumb, with horizontal l-ines level.
C. Secure aII connecLions and attachments.
3.02
ADJT'STING
A. Adjust guards and hardware and leave
workinq order.
3.03
in
"l-ike-new"
CLEAI{-UP
A. Clean Work of this Section upon completion.
B. Remove debris resulLj-nq from Work of this Section.
END OF SECTION
***
NYCSCA
WINDOII GUARDS
LO72O
11.
L2/Oe/L0
DESIGN NO.D13652
LIST OF SUBMITTAIS
DATE SUBMITTED
SUBMITTAL
DATE APPROVED
Product Data
1. Catalogue Sheets
2. ZLnc Metallizing
J
.
I
LtYtC /
l^
Al-umlnum wrre
|
1
4. Epoxy paint
.]r
nr)r^7rf
ar
system
arar.a
vvqe
|
I
<rrzcu ev(LL
om
p)'
Shop Drawings:
1. Location schedules
2. Sect.ion & connection
details (3/+"-1t-ott
ca:la)
pvs+v
/
3. Coordination of rel-ease
mechanisms with operating
sash
Samples:
1 Each 1-rrne
wire mesh
"J .L-
(L2" x L2" piece)
2. Expanded steel- sheet.
(L2" x L2" piece)
rl-acJ_ Ponnrt-
c
.
Ztnc metal-lizing and
finish coating
..i F.i
..i
n,, - -1 J^ - fL -L()IIS
^-.
L J-(Jct
UUdJ-
:
1. Zr'nc Metallizer
NYCSCA
wrNDohr GUARDS
10720 t2
L2/oe/LA
DESIGN NO.D13652
Warrant.ies
1. For window guards for labor
and materlals for two years
z. wd.rranry dgar-nsr rustl_ng
and finish failure
1
TrTrrvants<
i
f ar a nori
-^ts
nrl nf
*.,^F.i
-^
( rrar rc
Extra Materials
I
Tr-rrrr-h
*_vI,.naint
-rrn
***
NYCSCA
}TINDOW GUARDS
tO72O
13