Retrocommissioning Case Study: San Diego Marriott Hotel & Marina Overview

Please download to get full document.

View again

of 2
18 views
All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you.

Download

Document Related
Document Description
REtRoCoMMISSIonInG CaSE StuDy: San DIEGo MaRRIott HotEl & MaRIna Overview Marriott international, a hospitality company with locations worldwide, sought ways to reduce energy consumption and minimize the environmental impacts of operations at its 1.4 million square foot San Diego Marriott Hotel & Marina in San Diego, California. The 1,362 room hotel is a full-service resort-style property that includes meeting space, multiple restaurants, and a marina. The Marriott Hotel & Marina’s engineers sus
Document Share
Document Tags
Document Transcript
  www.sandiegorcx.com Overview Maott itatoal, a hosptalty compay th locatosoldd, sought ays to duc gy cosumpto admmz th omtal mpacts of opatos at ts1.4 mllo squa foot Sa Dgo Maott Hotl & Maa Sa Dgo, Calfoa. Th 1,362 oom hotl s a full-scsot-styl popty that cluds mtg spac, multplstauats, ad a maa. Th Maott Hotl & Maa’sgs suspctd that th  oppotuts to duc eerg se d icrese he prbii, s we s impre gust comfot. Fo ths asos, Maott’s maagmtdcdd to patcpat  th Sa Dgo rtocommssog (RCx) Prgrm,  prgrm dmiisered b S Dieg Gs &Eecric (SDG&E®) hrgh  crc wrded  Prd egy Cosato, ic (PeCi).Th Sa Dgo rCx Pogam suppotd Maott  attag eerg d cs sigs b pridig he Mrri He & Maa th:ã A -dpth rCx stgato to dtfy sags oppotutsã implmtato assstac ã Dcmei d riig fr bidig sff  impemeed masusã Ogog pfomac tackg of masus to supsstcMaott’s patcpato  th rCx Pogam sultd  a8.4% ducto  gy us at th Maott Hotl & Maath a xpctd aual cost sags of $272,500. i add-to, aoth 10.6% ducto  gy us, o $346,000  pei sigs, hs bee ideied fr fre impeme -tato at th popty. InvEStIGatIon & IMPlEMEntatIon FInDInG tHE SavInGS oPPoRtunItIES thrgh  i-deph sis f he bidig peris, th tocommssog pod, PeCi, okd closly wih bidig sff d fd h seer periimpremes  he chiers, pmps, d ir disrib - i ssem cd brig drmic sigs d imprep cpci b: ã elmatg ucssay smultaous hatg adcoolgã rducg supply fa spd though tmal utpogammg mpomts ã Re-ebig he demd-cred eii systm  th pakg gaagã elmatg ucssay pumpg gy fo thladscap at fatus ã Isig ribe freqec dries  eprr pumps ad cods pumpsã Modfyg cotol squcs fo pumpg systms ã Eliminating unnecessary pumping energy for the landscapewater features   Building: Sa Dgo Maott Hotl & Maa Location: Sa Dgo, CA Year(s) built: 1984 ad 1987 (South To) Size: 1.4 mllo sq. ft Scope of retrocommissioning project: Chlld ad hatg wer ssems, ir disribi ssems, dmesic w -t systms, ladscap at fatus Project timeline: 2004-2006 QuantIFIED CoStS anD SavInGS to-DatE Annual kWh savings: 1,470,000 kwh Annual therm savings: 88,000 thms Total cost savings: $272,500 Total project cost: $391,716 Total program incentive: $196,412 Net owner cost: $195,304 Simple payback: < 1 ya PrOjeCT BeneFiTS ã Chlld at capacty mpomtsã rducd chll utm ad sultg cas qupmt lf ã Mre efcie peris ã Documtd opato ad matac pocdusã Hads-o tag fo O&M staff :: QuICk FaCtS rtocommssog a ssemic prcess fr imprig  exisig bidig’sperfrmce b ideifig d impemeig reie w- cost opatoal ad matac mpomts. Photo courtesy of Marriott International REtRoCoMMISSIonInG CaSE StuDy: San DIEGo MaRRIott HotEl & MaRIna  www.sandiegorcx.com The San Diego Retrocommissioning Program is funded by California utility customers and administered by San Diego Gas & Electric Company (SDG&E ® ) under the auspices of the California PublicUtilities Commission, through a contract awarded to Portland Energy Conservation, Inc (PECI). California customers who choose to participate in this program are not obligated to purchase any ad-ditional services offered by the contractor. The trademarks used herein are the property of their respective owners. IMPlEMEntInG EnERGy SavInGS MEaSuRES Eerg-sig mesres ideied drig he iesigiwere impemeed rge b Mrri sff, whie ssisced mesre erici ws crried  b PECI. t impemee mesre, he bidig’s sff were high-deep i md,diggig  bcges i wer fere pipes  impre heefciec f he fi pmps – r gig be dbed he c f d whie hepig se er $17,000 i aual lctc costs du to xcss pumpg.Thoughout mplmtato, th Maott Hotl & Maa sbmied regr prgress reprs  PECI d receied impe -mtato assstac to complt ach gy-sag masu.Follog mplmtato, pfomac tackg actts were esbished  hep esre rercmmissiig ciiiesres i persisece f bees d sigs er ime.the Mrri He & Mri’s bidig sff’s dedici to tocommssog ffots has ot oly mpod thopato of th popty, t has g th staff th oppo- i  ideif prbems h migh he bee missed dug costucto o tal qupmt stallato. rt- rcmmissiig wi s hep he sff ideif prbems that may dlop thoughout th hotl popty’s lf. the Mrri He & Mri RCx prjec hs bee  hgesccess fr he he, resig i sigic eerg sigs ad casd hotl gust comfot, as ll as ag t a2006 Sa Dgo excllc  egy aad fo ts commt- me  eerg efciec. $0$20,000$40,000$60,000$80,000$100,000$120,000$140,000 Install VFD on evaporator pumpInstall VFDs on domestic water booster pumpsInstall VFD on condenser pumpOptimize flow and scheduling of water feature pumpsRe-enable demand-controlled ventilation on parking garageReduce simultaneous heating and cooling(Fix valves, replace failed fan VFD, lower VAV box flow rates)Electric SavingsGas Savings “At th Sa Dgo Maott Hotl & Maa, tocomms-sog has hlpd us sa almost $300,000 a ya  gycosts. just as mpotatly, th tocommssog pocss ge r bidig sff  beer dersdig f he bid -gs’ systms opatos ad ho to opat thm mo efcie.” e.j. Hlts, rgoal Dcto of egy :: FOr MOre inFOrMATiOn Th Sa Dgo rtocommssog Pogam s w ibe  hep S Dieg Gs & Eecric(SDG&E ® ) commcal customs tocom-msso th faclts. Though th Pogam, experieced egieers wr cse wih bidigwers d heir sff  d cs-effecie ws pimize heir bidig’s perfrmce, wereerg bis, d impre ccp cmfr.visi he prgrm websie  www.sdiegrcx.cm to la ho tocommssog ca hlp you m- pre r bm ie, wh  expec s  prici -pat  th Pogam, ad ho th pogam ctsa stuctud ad pad. Plas cotact us th ay qesis r  bi  prgrm ppici. San Diego Retrocommissioning Program (866) 961-6144 sadgocx@pc.og.sadgocx.com rcommdd masus fotocommssog ad thassocatd cost sags. REtRoCoMMISSIonInG CaSE StuDy: San DIEGo MaRRIott HotEl & MaRIna   :: PrOjeCT PArTnerS Building Manager: Maott itatoalCotact: e.j. Hlts.maott.com Retrocommissioning Providers:PECI Cotact: Haah Fdma.pc.og Facility Dynamics Engineering Cotact: Dad Slls.facltydyamcs.com Building Owner: Host Hotl ad rsots.hosthotls.com Eerg sigs reec icipedprjec sigs bsed  impemeed masus. Actual gy sags mayay th ach poct.
Search Related
We Need Your Support
Thank you for visiting our website and your interest in our free products and services. We are nonprofit website to share and download documents. To the running of this website, we need your help to support us.

Thanks to everyone for your continued support.

No, Thanks