ST8201-CS 880912Tirol#iS (~. |~lrSOllS
September 12, 1988
Mr. Steve Goram
City of Coppell
Post Office Box 478
Coppell, Texas 75019
II
Dear Mr. Goram:
Enclosed is information you requested pertaining Lo the
Electriq DeCm~hiold TT l,,mlno_ir..e. TU Electric is .offering this
~L~,L~Oflk~a[Les. The photometric applications data o~th~is style
of light is v~ry similar to that of the Klm street light. (See
attached 'pbotometr'ic' data.) As this data indicates, these lights
can be used on major thoroughfares without any difference in the
footcandle lighting or uniformity ratio when compared with the
gim street light.
Whereas the ~L~__o!i~ an0diz '
~, the ~eneral El~tric~gl~.t standard
There are ~o o.th~r~Lo_k~ble differences between the Xim light
and the General Electric light.
The ~Ele.~~~.can be ~~ for an approximate
charge of $1,340.00 for each 30 foot', double fixture street
~t. Th~ cos[fgr the ~uble fixture Klm light installed in a
similar manner i~ $3,220.00~i C~~[s ~ b'~ applied
prices for customer installed fou.dations and conduit.
If you have any ques~ons concerning this matter5 please call Tim
Brancheau mt 323-HglO.~x. {
Thomas G. Parsons
D~s~r~ct Hanager
TGP/TB: rm
Enclosure
1441~) Joscy I.hnc I'. O. Ilox XU,~)61 I:aHqe~s Ilra~h. 'lcxas 7.~.1HI-9061 ~
GENERAL ELECTRIC
DECASHIELD* TI LUMINAIRE
DECASHIELD' II Luminaires from the
General Electric Lighting Systems Department
combine a contemporary rectilinear shape
with an efficient optical system to provide
attractive and effective lighting for roadways,
parking areas, malls, walkways, industrial
parks, residential complexes and other areas
where aesthetics and energy efficient lighting
are needed for safety, security, and nighttime
attraction.
FOUl I.k!r,~hield II DS*J00 I.Ilrnlnalles M~ml~l a! RO' o~t 40foo! pole
4OO.W liPS 4(IO.W Uel;d rial#lc
G~#',~: 35.117316 U.C.IV C~,o: 3.~ 17131~ ,.~ (;.11
I Mounlh~g Ileluhl I.10 I 40 , I '~
I M~lllit~'lle' I t:,R I to I o[,4
Mounted one, two, or four to a square
pole, these dark bronze luminaires fit into
many architectural schemes with both a com-
plementary daytime appearance and afterdark
illumination. Decashield II Luminaires come
in two sizes, the DS.250 and DS-400, for
mounting at heights shown below. Simply
determine the light level (footcandles) you
need for your area and consult the light
distribution curves and conversion charts to
determine the best mounting heights, watt-
ages, and pole spacing.
TYPICAL APPLICATIONS FOR
DECASHIELD' II LUMIHAIRES
Shopping Mall Parking Areas
Residential Roadways
Industrial Parks
Parks
Pedestrian Malls
Downtown Shopping Areas
Arterial Roadways
Parking Lots
Apartment Complexes
Hotel/Motel Entrances
Walkways
f'~ne I'~car, hiold II l')~,2~0 Luminalm n. 2fi.fro"4 Iml.
Cuwe: 35.111~11 Id-G.III (;u~'~: 35 1~'1342 M.C.III
Mulllldlm J I.~ ~ I.l~ I 0.69
I
ISOFOOTCANDLE DISTRIBUTION FOR:
Two I.)ec.a.11~le'kl II D~-250 Lumln,ligas Mountm! lit t~° o~ 3~.lnol pole
~').W I1~ 250W MalAI llalkl~
Gurvo: 35. I J~1343 M.C-III C#~v~,; 35 11~'34~) M CHI
I Mounling Ilelghl I ,, 25I 30 3,5
Multiplio, I1'44 I ,.O IO.';J I
~ar-1~ll2.1~AL I-Lr-b I
13*ZCASHIEL ]I
LUMINAIRE
GE.N. ERAL DESCR.!PTION -- Tim n.ew conlemporary-shaped DECASHIELO II Luminaire is designed for tho energy-efliclenl Iighling of streets,
parKmg areas, waiKways, malls ano other ouldoor areas wllere brlghlness control and compalibility wllh architectural surroundings are desired.
TWO WATTAGE SIZES -- The DECASHIELD II Luminaire comes in Iwo sizes:
· DS-250 for 70, t00, Ir.K), 200, and 2.")0 wall high pressure sodium or t75 and 250 wall melal halide/mercury lighl sources.
· OS-400 for 200, 250, and 400 wall high pressure sodium or 400 wall metal halidelmercur¥ light sources.
CONSTRUCTION -- Heavy gauge,
formed aluminum housing wilh attrac-
live dark bronze painl finish (also
available In seven other colors).
MOUNTING -- Decorative exlruded
aluminum arm and two threaded sleel
rods combine wilh a backing plate lot
mounting Io square decorative poles.
An upward 2.5 degree llll on Ihe arm
compensales Ior lite optical Illusion
of lumlnaire droop. Oplional knuckle-
lype flat-surface mounting and pole-
top lenon mounting are available.
OPTICAL -- Optical door is exlruded
aluminum. Is.hinged to luminaire, and
secures with Iwo captive stainless
sleel screws for easy maintenance
and lamping. ALGLAS' finish on
precisely Iormed aluminum reflector
produces cut.oil light dislribulions.
Lens is Impact resislanl glass Io pro-
tact lamp. Dacron Polyester gasket
helps keep optical clean.
BALLAST -- All ballasl compoflenls
are mounled on a "lray" module for
easy Inslallallon and maintenance.
Regulaling and non.regulaling ballasts
are available. High pressure sodium
lumlnalres fealure unique RELIABLE
"plug-in" sladlng aid lot fudhor con.
venience. Access to ballasl via a
swing-down door.
GUIDE FORM SPECIFICATION
Oa~e~al DeKrlplle~:
la~s ~ mulllWe cbcs~t[ IIw liNhHe shall ~ ca~ble of ~mling
................ (~lfy -- I0. ~. I~. ~. ~. m ~ wail HPS
~. ~ 4~ wall ~lal ha~el~cuf~ Ifa ~ ................. (s~ily --
I~. ~. 240. 21~. 4~ ~ m,lll.~l) ~ll~ ~ hml~ ~m ~mllc~ ami ~ltall
s~ili~ ~ I~ leap m~ul~lmm, tim h,nlniife shall Iw designed Io
Imfli~. exlfm~l xl,mletlm ~mli~ ~m. Oollc,l ~mJ hallaM
w~h MIall ~ Id~N al~ S~ufN by ~anS ol cgpll~ eilemal SI;ll~5~
~, ~lfoIm~ lift.nm fell~lw wllh AI.GI.A~' linish.
polyeslm gaskellng, heal amt Impael feslslanl fiat glass lens. and an
adl.slahle par, elate ~ul
cafltil~ Spd~ ~ c~l~ c~t~l ~lwlfEs ~all ~ If~ Cul~f
Im SpKilyl~ NEMA Ty~ II. III, m I~.
1 I~ hmdnaha shah c~laln An Inl~ral halleM ~all~ fr~
,vcepl I~ tef~n~ ~a,d ami ~ml~tf~ f~lac~ ~ ~ an
easily ~m~al~ ~asl lay. lira ballast shall ~ ~.~ Io I~ lamp
s~kel a~ Im~nal ~a~d hy ~ans el a ~ad~ q.~k dl~l pl~
a~ lira stml~-~l ~ high
Im ease ~
M~nll~:
Tim lillllfe shll ~ ~ml~ I0 ~IMO ~3 ~ means Of Iwo ll~ead~
f~ls .mi iff flxlfid~ alumlfllffn ifa co~, T~ ~e I~ flvlwe ~.11~
flWn~l~, shall ~ lhe Bl~ I~ ~lh I~ .man ~ ~lum w. llige
61a5 II4MI nw
General Electric Company, Lighting Systems
GENERAL ~
Department, Hendersonville, NC 287'39
ELECTRIC
L)~,-4[)[
I-~tiOTOHETRtC 35..-.1773.1.5 27000 LLIHENS
ROADNAY NID'FI-I= 34.0, HI-I= ~.0.C)
HEDIAN WIDTH = 24.0, HEDIAN SETBACK =
SPAOING= 1SCl HEDIAN ONLY
I L' L U H I N A N C E S U H H A R Y
HORIZONTAl_ GRID SPACING
NAXIHUH GRID POINT VALUE
AVERAGE OF 66 GRID POINTS
UNIFORHITY RATIO HAX/HIN
1:)7:42:31
l_U4 '- I..LI~O0
10.0
1.77 2.47 3.Z~6 5.10 7.07 7.06
_1.. 54 2.23 3.03 4.2;2T 5.5~ 5 .'93
1.33 ]..91 2.61 3.45 4.12 4.22
1.1.~ ]..48 2.05 2.55 2.87 2.92'
0.03 1.07 I .41 1.77 l.?S 1.92
0.6] 0.74 0. ~2 1. ].2 .l.. 2[; ].. 25
:~: :i: :~: :~: :i: ~:
45 . 0 54 . 0 63 . 0 72 . 0 :31 . 0 90 . 0
9.00 VERTICAL GRID SPACING 6. E:O
7.:3~5 MINIMUM GRID POINT VALUE 0.26
1.7]. uNIFC)RHITY RATIO AVG/MIN 6.57
30.22 NC!. OF LUHINAIRES USED :-3~00
Nornlal dev.~ations J.n lunlJ, naJ. re inst'.aJ.].atJ, or'~, lj. ghted area geometrY,
etec[rica! suppJLy, lclmp to].erarlces, ].um.i. nairo t. oler~r~ces, and obstruct£ons
~l.'.hJ.n ~he ].j. ghLed space may produce ~11umJ. rlat. j. on leveJ, s dj. fferen~ from ~he
above predict:ed w]J.,.les. ·