Change Proposal Ledger - OCP Ready
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Submitted DateEmail AddressType of InputProposed ChangeEvaluation DateEvaluation ByEvaluation RemarksApproved/DeclinedUpdated in Version
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12/10/2019 9:32:35mark.dansie@inflectiontech.netChangeWithin the Colo Facility Guidelines document add the below at the bottom of the 2. Scope paragraph.

'Please suggest change proposals or content additions in the following document:
“Suggested changes to Colocation Facility Guidelines for the Deployment of Open Compute Project Racks documents”
https://docs.google.com/forms/d/e/1FAIpQLSfHvryfaV8sYsAXQ4MJ1z1B7Goi7OLXg0lCywVOL2o8OTSqQA/viewform
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12/18/2019 6:35:04mark.dansie@inflectiontech.netQuestionShould guidance be added to the colo guidelines for specialist fire protection for Li-ion battery energy storage systems?
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12/18/2019 7:32:41mark.dansie@inflectiontech.netQuestionShould guidelines information be added for Data Center Electrical System Stability - refer to fb issue raised
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12/18/2019 8:32:57Don.mitchell@victaulic.comChangeRecommend that OCP develop reference design guidance for addition of liquid cooling solutions in Colo environments. Would suggest two categories - -
(1)Elevated Temp liquid loop (direct to external HX) for liquid cooling over 35C
(2)CW/warm water liquid loop (connection to CW/condenser water system) for liquid cooling solutions under 35C)
Goal is to promote simplicity and sustainability potential of liquid cooling technologies in new and operating data centers
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1/6/2020 6:35:12mark.dansie@inflectiontech.netChangeH/T Stijn - Add Sub Project 'Annual Review - Colo Facility Guidelines for Deployment of Open Compute Project Racks and OCP Ready site assessment' to the DCF home page https://www.opencompute.org/projects/data-center-facility
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1/6/2020 6:54:20mark.dansie@inflectiontech.netChangeH/T Stijn Update this page https://www.opencompute.org/wiki/Data_Center/SpecsAndDesigns with latest revision guidelines
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1/6/2020 6:59:44mark.dansie@inflectiontech.netChangeChange the link in the contributions database entry 'INFO, PRES, Colo Facility Guidelines for OCP Racks, DCF Project' from the site assessment to the colo facility guidelines
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1/6/2020 7:03:41mark.dansie@inflectiontech.netChangeOn this page https://www.opencompute.org/wiki/Data_Center_Facility add links to 2019 Regional Summit presentations
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1/6/2020 7:09:26mark.dansie@inflectiontech.netCommentH/T Stijn . Re: guidelines, the document should have some “backward compatibility” related to OCP racks, because the idea is that OCP racks (v1, v2, v3, v..) will be re-used for some time as part of the sustainability program.
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1/6/2020 7:15:15mark.dansie@inflectiontech.netCommentH/T Stijn. Re: guidelines, at the outset of the creation of the document the idea was that at least 80% of EU data centers could accommodate OCP racks. But since there are so many new data centers being constructed, and some operators are indicating that they will only seek recognition for these new facilities, we should consider that the requirements could be made a little stricter.
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1/6/2020 9:56:55mark.dansie@inflectiontech.netChangeH/T Stijn. Re: guidelines, minimize the ‘guidance’ content within the telecommunications chapter, because it is not so crucial for the facility, only pathways, ducting and diverse routing.
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1/6/2020 10:03:15mark.dansie@inflectiontech.netChangeH/T Stijn. As the design trend for an OCP Racks, that are contained in PODs, is to have hot aisle containment and no raised floor, this then requires huge air flows (because of high density racks) for sufficient cooling. Might be an idea to insert some example reference designs for cross sections of how this can look like in the data hall.
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1/6/2020 10:05:28mark.dansie@inflectiontech.netChangeH/T Stijn. Re: guidelines, add a 'Sustainability' chapter as this consideration will continue to grow in importance
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1/6/2020 11:54:52mark.dansie@inflectiontech.netChangeH/T Stijn. Re: guidelines change the 'OCP Ready Requirements' matrix from Annex E to Annex A and structure the main document around this matrix clarifying the subject in more depth
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1/6/2020 11:57:09mark.dansie@inflectiontech.netChangeH/T Stijn. Re: guidelines, make adjustments to the terminology so that it aligns with the OCP Ready 'Site Assessment' score card
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1/6/2020 12:00:01mark.dansie@inflectiontech.netChangeH/T Stijn. Re: Guidelines update the document with the conclusions of some technical discussions that have been had in the DCF during 2019 e.g. structural floor load, free height, air quality, Lithium ion batteries
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1/6/2020 12:02:22mark.dansie@inflectiontech.netChangeH/T Stijn. RE: guidelines add links and referencing other projects and sub projects /workstreams in the OCP community e.g.Rack and Power, Advanced Cooling Solutions. Also summarize the main achievements/agreements of those related workstreams which are relevant
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1/8/2020 12:31:35mark.dansie@inflectiontech.netChangeH/T Stijn. Re: guidelines add info to the 'Electrical Systems chapter' re: the importance of of the design for full discrimination (and arc flash)
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1/8/2020 12:35:08mark.dansie@inflectiontech.netChangeH/T Stijn. Re: guidelines, provide info. for SLAs and particularly in respect to having inlet air temps of beyond 27 degrees C for a reasonable amount of time..
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1/8/2020 12:49:04mark.dansie@inflectiontech.netChangeRE: guidelines. Should we consider adding content on arc flash protection clothing for data centre operatives. https://www.progarm.com/arc-flash-protection/why-arc-flash-protection/ https://www.progarm.com/arc-flash-protection/protect-your-team/
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1/13/2020 3:54:15
Stephan.Harren@maincubes.com
ChangeRe: guidelines, add to 8.2.IT Space (White Space), a reference design for Pods based on the solution that has been implemented at Maincubes AMS01 by Rittal and Schneider.
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1/13/2020 4:11:12mark.dansie@inflectiontech.netChangeH/T Stephan Harren (Maincubes) Re: guidelines. Add to 10. Electrical System Electrical System Stability - Provide examples of electrical system reference designs and potentially use content from Schneider White Paper WP 228 https://it-resource.schneider-electric.com/white-papers/wp-228-analysis-of-data-center-architectures-supporting-compute-project-ocp. Comment from Stephan 'As our site in Frankfurt is Tier-4 quality, it could be used as a reference design. Nevertheless, from what I can see, OCP also foresees battery backup inside the rack as an option so it might be overkill to take this as a reference but could be the optimum.'
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1/13/2020 4:40:07mark.dansie@inflectiontech.netChangeRe: guidelines, develop the content within Chapter 11 Telecommunications Cabling, Infrastructure, Pathways and Spaces - using documentation from Cumulus
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1/13/2020 5:33:52mark.dansie@inflectiontech.netQuestionRE: guidelines, as we see an increase in the amount of power being required at the rack / immersion tank etc. Should we add guidance info. on safety measures to be taken i.e. carrying out arc flash studies https://www.progarm.com/news/how-often-should-you-carry-out-arc-flash-studies/. Clothing https://www.progarm.com/news/iec-61482-1-12019-does-your-arc-flash-protection-meet-the-new-testing-standard/
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1/13/2020 5:39:06shalpin@dataplexgroup.comChangeSection 9 Cooling: Suggest the inclusion of more examples of acceptable designs that do not include Raised Access Floors. i.e. Polished concrete floors with fan walls/CRAHs etc. The omission of a raised access floor then presents other opportunities including cleanliness, removal of ramps, easier accommodation of high rolling and static loads, along with the introduction of overhead containment gantry suited for Electrical and Fibre containment along with future space for water cooling pipework
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1/13/2020 5:45:55shalpin@dataplexgroup.comChangeInclusion of Unpacking & Storage allocation per m2 of white space
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1/13/2020 5:48:50shalpin@dataplexgroup.comChangeInclusion of vehicle access allowance & turning radii i.e. Up to Rigid body end load / side skirt HGV and loading bays
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1/13/2020 5:49:55shalpin@dataplexgroup.comChangeInclusion of Meet Me Rooms, Typical Colo Dimensions along with rule of thumb distances between them onsite
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1/13/2020 5:55:01mark.dansie@inflectiontech.netQuestionRE: guidelines and OCP Ready site assessment, within the OR V3 design document the load rating specification has increased from 1400 kg to 1600 kg (3500 lbs) plus the rack mass. Review the current weight loading parameters for the various attributes to ensure that the Acceptable and Optimum values are still valid.
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1/13/2020 6:07:38mark.dansie@inflectiontech.netChangeRE: guidelines and OCP Ready site assessment, within the OR V3 design document the frame geometry (height parameter) has changed to a maximum of 48OU (2295mm without castors TBC). Review and change as necessary the parameters for the various attributes affected, to ensure that the Acceptable and Optimum values are still valid.
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1/13/2020 6:10:31mark.dansie@inflectiontech.netChangeRE: guidelines, review Appendix A. and add, retire rack types as necessary e.g. add OR V3 and V1 such as Sesame product
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1/13/2020 11:17:38mark.dansie@inflectiontech.netChangeH/T Jean-Marie Verdun RE: guidelines. Add new appendices for OR deployment tips and tricks re: safety and compliance 1) In the USA ensure UL-VO and FCC certificates are available when racks are delivered 2) In the USA CA region ensure earthquake protection e.g. seismic kits are installed for GR63 Zone 2 and GR63 Zone 4 support 3) If ORs are to be installed in a colo with an access floor, ensure PDU cables are modified ( e.g. cable is lengthened as it is normally sized for overhead power receptacle presentation) as onsite modification is not normally allowed onsite.
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1/13/2020 11:24:31mark.dansie@inflectiontech.netChangeRE: guidelines, add to 10. Electrical System - guidance on electrical grounding (aka earthing) of the rack. See OR v3 specification paragraph 6.
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1/14/2020 1:31:28
lucas.cardholm@coromatic.com
ChangeIn the section "Considerations", in sub-section "EFFICIENCY" it is suggested to add "Site Operations", drop-down responses to select from: "0. Selection Required", "1. OCP CFOPS Framework", "2. Other framework or standard (Notes required)" and "3. Proprietary or in-house processes (Notes required)"
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1/14/2020 1:37:06
lucas.cardholm@coromatic.com
ChangeIn the self-assessment (ver 2.3) it is not fully clear what attributes are mandatory to reach compliance and what are suggested/recommended. The main divider is set as "Considerations". It is suggested that this is further elaborated in the template to clarify that below attributes are not mandatory to meet criteria for approval (presuming this is the case) In the same way it could be further clarified that the attributes above are mandatory to be met for compliance. [note: currently both attrbutes above and below "considerations" are under a common headline called "Requirements."

If all requirements are mandatory, a similar clarification could be beneficial to ensure it is not misinterpreted as "hard" requirements" at top and "soft" requirements" at bottom.
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1/21/2020 10:06:35mark.dansie@inflectiontech.netChange
Update the link as it's broken DRAFT: Data Center Cable Infrastructure Color Schema - Information Document (7Apr2017)
This is a draft contribution from Fidelity on standardizing the jacket color on infrastructure cables.

http://files.opencompute.org/oc/public.php?service=files&t=ed0fbb862824372fe1e8af21ac5a771d
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1/21/2020 10:10:41mark.dansie@inflectiontech.netChange
https://www.opencompute.org/wiki/Data_Center_Facility - The Google docs version of the colo facility guidelines for OCP racks needs adding in the folder below

Specs, Designs, and Information Documents
- Data Center Facility Project Google Drive Folder
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