Air Compressors Annex Info & Pics.pdf

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Attached to
KO-000-210-003 Air Compressor Replacement. Worchester/Wicomico HU'S @ Eastern Correctional Institution in Westover, Maryland.
Solicitation number
BPM022769
Issued by
Worcester County, Maryland

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The document is an email chain regarding the replacement of air compressors at the Eastern Correctional Institution in Westover, Maryland, which is located in Worcester County. The air compressors being replaced are Johnson Controls AD series with duplex compressors, 1 phase, 115 volts, 3/4 HP with 60-gallon tanks. The email indicates that the original Johnson Controls compressors have been discontinued, so 1 HP, 3 phase units from Powerex were installed instead, along with new 3 phase circuitry. The air dryers being used are Johnson Controls A-4312-1 models with oil filters and pressure reducing stations.

The related state and local contract opportunity, KO-000-210-003 Air Compressor Replacement, is for the Worcester/Wicomico HU'S (Housing Units) at the Eastern Correctional Institution. No additional details are provided about the contract, such as quantities, response dates, award information, or term.

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2/1/2021 State of Maryland Mail - Air Compressors Annex https://mail.google.com/mail/u/1?ik=b1ca782ffb&view=pt&search=all&permmsgid=msg-f%3A1690524838703174833&simpl=msg-f%3A169052483870… 1/3

Wayne Howell -DGS- <wayne.howell@maryland.gov>

Air Compressors Annex

Tommy Harris -DPSCS- <tommy.harris@maryland.gov> Mon, Feb 1, 2021 at 3:07 PM To: Wayne Howell -DGS- <wayne.howell@maryland.gov>

We could not find a model number, but these were Johnson Controls AD series with duplex compressors 1 phase, 115 volts, 3/4 HP with a 60 Gallon Tank. They came with starters, 2 pressure switches and an alternating switch built in. Johnson controls has discontinued selling these.

The 2 compressors we replaced we bought were from Powerex who originally made the compressors for Johnson Controls. However, they no longer sell 3/4 Hp 1 phase units so we bought 1 HP. 3 phase units and ran a new 3 phase circuit to them. We did this in house.

I am sure there are other brands available like speedaire or others. Doesn't matter to me which brand.

The Air dryers are Johnson Controls A-4312-1 with oil filter and pressure reducing station. I prefer Johnson Controls air dryers because they are better quality and come with the filter and pressure reducing station built in.

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Take our customer Service Survey Tommy Harris Correctional Maintenance Officer Supervisor Eastern Region Eastern Correctional Institution Department of Public Safety and Correctional Services 30420 Revells Neck Road Westover, Md 21890 410-845-4050 tommy.harris@maryland.gov

6 attachments

Annex Compressor Pic 1.JPG 1218K

Annex Compressor .JPG 1067K http://news.maryland.gov/dpscs/home/ https://twitter.com/MDPublicSafety https://www.facebook.com/MDPublicSafety http://www.doit.state.md.us/selectsurvey/TakeSurvey.aspx?agencycode=DPSCS&SurveyID=86M2956 https://www.google.com/maps/search/30420+Revells+Neck+Road+Westover,+Md+21890?entry=gmail&source=g https://www.google.com/maps/search/30420+Revells+Neck+Road+Westover,+Md+21890?entry=gmail&source=g mailto:tommy.harris@maryland.gov https://mail.google.com/mail/u/1?ui=2&ik=b1ca782ffb&view=att&th=1775f3624ee094b1&attid=0.1&disp=inline&realattid=f_kkmzpxpk0&safe=1&zw https://mail.google.com/mail/u/1?ik=b1ca782ffb&view=pt&search=all&permmsgid=msg-f%3A1690524838703174833&simpl=msg-f%3A169052483870… 2/3

Annex Compressor.JPG 995K

Annex Compressor tank.JPG 1206K

Air Dryer Annex.JPG 1294K

Air Dryer Annex 2.JPG 1199K https://mail.google.com/mail/u/1?ui=2&ik=b1ca782ffb&view=att&th=1775f3624ee094b1&attid=0.2&disp=inline&realattid=f_kkmzqbrx1&safe=1&zw https://mail.google.com/mail/u/1?ui=2&ik=b1ca782ffb&view=att&th=1775f3624ee094b1&attid=0.3&disp=inline&realattid=f_kkmzqny02&safe=1&zw https://mail.google.com/mail/u/1?ui=2&ik=b1ca782ffb&view=att&th=1775f3624ee094b1&attid=0.4&disp=inline&realattid=f_kkmzqxo13&safe=1&zw https://mail.google.com/mail/u/1?ui=2&ik=b1ca782ffb&view=att&th=1775f3624ee094b1&attid=0.5&disp=inline&realattid=f_kkmzra0q4&safe=1&zw https://mail.google.com/mail/u/1?ik=b1ca782ffb&view=pt&search=all&permmsgid=msg-f%3A1690524838703174833&simpl=msg-f%3A169052483870… 3/3 https://mail.google.com/mail/u/1?ui=2&ik=b1ca782ffb&view=att&th=1775f3624ee094b1&attid=0.6&disp=inline&realattid=f_kkmzri775&safe=1&zw

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