ENERGY CONSERVATION RETROFIT STUDY

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP85B01152R000600740024-7
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 4
• Document Creation Date: December 21, 2016
• Document Release Date: March 5, 2008
• Sequence Number: 24
• Publication Date: June 23, 1983
• Content Type: REPORT

Approved For Release 2008/03/05: CIA-RDP85BO1152R000600740024-7
TO.- (Name, office symbol, room number,
building. Agency/Post)
Would the addition of an inner glass pane to
the windows of the senior officers on the 7th
floor be worth suggesting to HF. Expensive
but in terms of improved comfort and eventual
fuel savings this could be a worthwhile project
over the next year.
DO NOT. use this form as a RECORD of approvals, concurrences, disposals,
clearances, and similar actions
FROM: (Name, org. symbol, Agency/Post)
OPTIONAL FORM 41 (Rev. 7-76)
Pr enb.d by GSA
FPMR (41 CFR) 101-11.206
STAT
Approved For Release 2008/03/05: CIA-RDP85BO1152R000600740024-7
 Approved For Release 2008/03/05: CIA-RDP85B01152R000600740024-7
ENERGY CONSERVT1ON RETROFT STUDY
CA HEADQUARTERS BULDNG
McLEAN, VIRGINIA
FOR
GENERAL SE RV C.'O'ES ADM I 1S.0 ` A,41" + ,
PUBLIC BUJL D NG SER\fl E S
EP EM3E , !979
VOLUME !
VVKR PARTNEp : ; t P
720 North Saint sani ?freet
A1exa nd{ ia, Vi;-,r-,p;-0a ,,;~v C4
Approved For Release 2008/03/05: CIA-RDP85B01152R000600740024-7
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-~,~'==-f Approved For Release 2008/03/05: CIA-RDP85B01152R000600740024-7
:.r
\'JINDO\ti' TREAT1:',_NT - MA!N SUl_~ING
DOUBLE GL4LING:
,,, ? le Siczinc, the
l\ By converting, all, the windows in the f?.:in Building , to , , ub..,_
1
Grn:, Exterior Wall ccr-binaiicn U-Vaiue required by GSA can be ,.let
2) The e cdouble glazing `will reduce i e totci heft GCIn primCri!y by reduction of
flow due , h r e di ri erentiols. It will have
,nduction 'heat to inF ,errverCrU
rrr
G silG'1t e=ed; on he nect`fCnSief due to l'leci COSOfptiOn and to atf2C.7 , ar1S-
ttance.
The installation of the douote clc_inc would not be cost effective on ,he '' t"11 .0
'
sr:,ouc;-, sixt:?~ , f1 :oors ~eccuse tr,ese windows are eoerccie cnc should reri,.:-n so.
The ir:S}cIlotion on the remaining floors V+'oulc be less expensive.
L) SS nae direct he i7cns:,ittonce is the most critical factor in `elms of heat coin,
,
or"c opcouse or insicllction problems, the use o; double dazing, Cr least ay
it5Yis, is not recommended.
TRIPLE C. 'L:.Z iNG:
^ , r
,:= S:Y1nc in enerc ' use would result fro(;, converting Oil windows TC triple
s
I,:zinc but the inst.ilGtlon costs involved,' kkr outweigh th;: bef:efiSS.
is
the
imcr iy increcsine
srip:e olc_ed windo\vs weulc reduce heat -:!y ,
ms`s ~ r
\ ;~-cstcnce to sect cg;nducio~~. To c lesser extent, the heal r transferred by
and by eirec r! e ct ansmittan,ce would ve re uced~
nbsr=s c::on
' when
Thr; use or triple c!czec, winnows is not recommence,, c 1-GS, t planned
as c imary solution, no additional renovation.
Approved For Release 2008/03/05: CIA-RDP85BO1152R000600740024-7
 Approved For Release 2008/03/05: CIA-RDP85BO1152R000600740024-7
LIFE YLC COST SUt,,MADy
-3
Prq/osal
Main Building Windows:
Double Glazing
Solar Film
Fiberglass Screen
Louver
Fiberglass Screen
S, E, w, only
Louver, S, E, W, only
Present Value
Investment
$995, 000
$475,450
$366,000
$835,000
$299, 000
$682,500
0.60
1.15
1.6
0.84
1.6
?--t Pre" ant
Value Scs~;ngs
$-395,000
$69, Cog
$223,+CO
$-130, C-On
$68, fO
0.91
$-53.1000
REC0IV, NDA TI OIV; c
ECOM1~1S. THIS FIBERGLASS SCREEN SHOULD
G 10% EA T IND ST PROPOSAL Si OW.'r- BE f~IST!jt.r_
W
NET PKf 5tt T VALUE $ ~~ D THE HIGHE_ t~ - Tr A, L Ai\ ti /INGS OF TT SIR RATIO TiVE THE
ALL THE ALTERI,'ATi~~rj,
Energy %Aj
Factor
.98
.98
.93
.98
.99
.99
Approved For Release 2008/03/05: CIA-RDP85B01152R000600740024-7 ~ 'a-