Underfloor Air Distribution Cost Analysis

Transcription

1 ot nly Octobr 2005 Undrfloor r trbton ot nly E To Wbtr, Frd n v Lngdon tr Morr H School of n lr orto Ovrvw Gol vlop coprhnv frt-cot nd lf-cycl cot (L) odlng tool for yt cot nly GS ponord Htory/chdl Intl ph Wbcor (Erc Horn), Nh Hrly (Oct 2001) Tt provd cot nly oftwr (Jl 2002) GS (Kvn Kpchror) rojct trt (Oct 2002) GS rvw (My 2004) ot odl workhop (pr 2005) Schdld nd (Spt 30, 2006) Sttl blc Lbrry Not to b rprodcd wthot pron fro th ntr for th lt Envronnt (E) g 1

2 ot nly Octobr 2005 Sgnfcnc Modl provd n for: Syttclly dtrnng cot dffrntl btwn nd ovrhd (OH) yt Idntfyng cot drvr nd gntd of dffrnc Flxblty to vlt pct of dffrnt dgn opton Thr r no coprhnv td by ndpndnt prt; ot cot copron r ncdotl nd projct pcfc Th dvl n th dtl rogr Frt cot odl ntvty nly lot coplt Lf-cycl cot (L) odl progrng vlopng chrn cnro vlopng L coptton thod Not to b rprodcd wthot pron fro th ntr for th lt Envronnt (E) g 2

3 ot nly Octobr 2005 HV yt ltrntv Sr fn powrd xng box Fn col nt -: ll V -: ll VV ln prr control Modltng dffr -: V/VV -: ll VV (odltng dffr) Fn col nt Fn col nt, htng only Mthod nd pton Sntvty tdy pct of dgn opton ~25 prtrc td condctd to dt 11 ntgrtd cnro vrton Sntvty tdy pton c bldng confgrton nchngd Md qlty ovrhd yt (OH) (ly-n dffr, VV/rht, 16 ntror zon) Lt OH VV box to 1500 FM 14 pply pln for Rtrn dctng t trnl nt only on ltrntv Eql rflow for ovrhd nd Non-powrd frntr for Not to b rprodcd wthot pron fro th ntr for th lt Envronnt (E) g 3

4 ot nly Octobr 2005 Opn pln v. prvt offc (O) xpl cot dffrntl for ql OH, zonng $7 cot dffrntl fro OH - $/Gf $5 $3 $1 0% 20% 40% 60% 80% rvt offc (O) r, % of floorplt Opn pln v. prvt offc (O) Incr ntror nd prtr zonng tgory ot ffrntl fro OH - $/Gf $ Mchncl / HV Worktton Fçd, clng Elctrcl, V& or, crpt, cc floorng cot dffrntl ( pr) ln 21% O = $ % 43% O 65% 65% O rvt offc (O) r, % of floorplt.00 r S -.00 v -.00 n g Not to b rprodcd wthot pron fro th ntr for th lt Envronnt (E) g 4

5 ot nly Octobr 2005 Opn pln v. prvt offc (O) tgory ot ffrntl fro OH - $/Gf Incr ntror nd prtr zonng Elctrcl nd HV dffrntl dcr $ Mchncl / HV Worktton Fçd, clng = $3.50 Elctrcl, V& or, crpt, cc floorng ln 21% O cot dffrntl ( pr) 43% 65% 43% O 65% O rvt offc (O) r, % of floorplt.00 r S -.00 v -.00 n g Opn pln v. prvt offc (O) tgory ot ffrntl fro OH - $/Gf Incr ntror nd prtr zonng whl worktton frntr vng dcr $ Mchncl / HV Worktton Fçd, clng = $3.50 Elctrcl, V& or, crpt, cc floorng cot dffrntl ( pr) ln 43% 43% O 65% 65% O 21% O rvt offc (O) r, % of floorplt.00 r S -.00 v -.00 n g Not to b rprodcd wthot pron fro th ntr for th lt Envronnt (E) g 5

6 ot nly Octobr 2005 Intgrtd cnro tgory ot ffrntl fro OH - $/Gf obnd opton $ $12 Mchncl/HV Fçd / lng/ Lghtng Stl - ln Stl trctr - Expod, Stl trctr, 2.0 ft vng Expod clng, 2 ft wll vng Elctrcl / V& / Worktton Rd or / rptng / cc Floorng Stl trctr, Stl - Expod, 2.0 ft vng, Expod clng, Modlr w rng w /Rd floor L&M 2 ft wll vng, Modlr wrng w/rd floor L&M Stl Stl trctr, - Expod, 2.0 ft vng, Expod clng, Modlr w rng, RF provdr 2 ft wll 25% vng, l F Modlr wrng w/ rd floor L&M, 25% l rflow $12.00 r S -.00 v n -$12.00 g ddtonl fndng Floor hght vng ~$1.65/Gf/ft of wll hght vd HV rflow ncrtnty (±30%), dd/btrct ~/Gf Lt OH VV box to 1500 cf, dd /Gf to OH (lowr pr) v :, dd rtrn dctng to FU t prtr; dd ~/Gf, ncr ntror zon fro 1 to 16; dd ~/Gf Sll ffct, $1/Gf or l It Incr floorplt (20K to 50K) Incr % cor or ncr % rd cor lt n dctng (drct to pln) Incr wll thrl qlty hng n bln pr lowr hghr lowr lowr Not to b rprodcd wthot pron fro th ntr for th lt Envronnt (E) g 6

7 ot nly Octobr 2005 Sry nd conclon d on tdy pton, ovrll, bln pr ~$3-6/Gf r ot ffctd by HV (rflow), wll hght/qlty, lctrcl, nd worktton (WS) frntr pton HV zonng ot pct dpnd on yt typ & zonng pton (~/Gf) Elctrcl Modlr wrng lbor v. trl trdoff yld no cot dffrnc Modlr wrng ght offr grtr opportnt for lowr lbor rt Non-powrd frntr yld lrg dvntg for WS cot Wth powrd frntr, lctrcl chpr thn OH powr pol Nxt tp oplt frt cot nly Eqvlnt zonng Idntfy rng Wrt rport/jornl rtcl ontn lf-cycl cot (L) odl dvlopnt hrn Mntnnc nd rpr Enrgy Tx vng Skng prtnr tnc wth L Not to b rprodcd wthot pron fro th ntr for th lt Envronnt (E) g 7