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REVISION 4-DC2-Domestic service upsize emails-10.09.2017.pdfFrom: Rick Tomkins To: McConnell, Jeanie Cc: Giovanni Juarez -Ortiz (aivarez(cemeraldcitveng.com); Don Cunningham; Dealt' Etter; Tim Dickerson Subject: FW: 50 Pine Street water servicer issue Date: Monday, October 9, 2017 2:25:37 PM Attachments: image002.png image003.png RE 50 Pine Street Point Edwards.msa FW 50 Pine Street Building 10 Water Meter.msg Jeannie - Please read below and also the attachments for history and discussion related to water service design. Emerald City indicates 6" building connection is necessary to limit flow velocities per plumbing code; also max flow of 185 gpm, based on total fixture units, is within 2" C2 operating parameters. Please ask Operations to review/approve this design change. Thank you, ;.7 From: Giovanni Juarez-Ortiz[mailto:gjuarez@emeraldcityeng.com] Sent: Monday, October 09, 2017 12:34 PM To: Rick Tomkins <RTomkins@triadassociates.net> Cc: Don Cunningham<dcunningham@ventureseattle.com>; Dealy Etter <detter@ventureseattle.com>; Tim Dickerson <tdickerson@good manre.com>; John Toman <jtoman @emeraldcityeng.com> Subject: RE: 50 Pine Street water servicer issue Rick, Sorry I misspoke, the peak flow does not equal every fixture being on simultaneously, but rather the maximum flow determined by the Hunter's curve based on the total number of fixtures. Either way, the peak flow will never be reached and exceed the meter's intermittent flow. Thanks, GIOVANNI JUAREZ-ORTIZ I MECHANICAL Emerald City Engineers, Inc. 1 6505 216th Street SW, Suite 200, Mountlake Terrace, WA 98043 T 425.741.1200 1 F 425.741.12011 www.emeraldcityengineers.com From: Giovanni Juarez -Ortiz Sent: Monday, October 09, 2017 12:22 PM To: 'Rick Tomkins' <RTomkins(@triadassociates.net> Cc: Don Cunningham<dcunningham(@ventureseattle.com>; Dealy Etter <detterPyentureseattle.COm>; Tim Dickerson <tdickersonPgood man re.com>; John Toman (jtoman(@emeraldcityeng.com) <jtoman(@emeraldcityeng.com> Subject: RE: 50 Pine Street water servicer issue Rick, I looked at the files we sent out and the 4" water supply must have been a preliminary size. Ever since the pricing set from 10/22/15, a 6" water connection has been shown on the plans, even for permit resubmittals. Attached is the site plan from the pricing set. (Note: the flow rate decreased from 235 GPM to 185 GPM due to building revisions). The 6" connection is required based on the manufacturer's recommendation to not exceed a velocity of 5 ft./sec. Looking at the water meter specifications, the 2" meter can handle intermittent flows of up to 200 GPM as shown below. Our peak flow is 185 GPM — which means every plumbing fixture in the building being on at the same time, at full flow. This peak flow is unrealistic as it will never be reached. An average flow rate is about half of the peak flow — 93 GPM, which is well within the operating range of the 2" water meter. The meter will be able to handle the building demand without affecting its life span. OPERATING CHARACTERISTICS Motor • •112' Low FkYw 25 GPM Operating Range 5 to 160 GPM Flows 200 GPM Pressure Loss 6 9 PSI'@ 160 GPM 2' 25 GPM 5 to 160 GPM 200 GPM 4 3 PSI g, 160 GPM 3' S GPM 1 0 to 400 GPM 500 GPM 3 2 PSI 400 GPM 4' 75 GPM 1 5 to 800 GPM 1000 GPM 6 4 PSI 800 GPM 6' 1 5 GPM 3 0 to 1600 GPM 2000 GPM 5 5 PSI 1600 GPM 8' 2 5 GPM 4 to 2700 GPM 3400 GPM 4 PSI 0 2700 GPM 10' 3 5 GPM 5 to 4000 GPM 5000 GPM 4 5 PSI a 4000 GPM Thanks, GIOVANNI JUAREZ-ORTIZ I MECHANICAL Emerald City Engineers, Inc. 1 6505 216th Street SW, Suite 200, Mountlake Terrace, WA 98043 T 425.741.1200 1 F 425.741.12011 www.emeraldcityengineers.com From: Rick Tomkins[ma iIto: RTomkinsPtriadassociates. net] Sent: Monday, October 09, 2017 11:21 AM To: Giovanni Juarez -Ortiz <g]uarez(@emeraldcityeng.com> Cc: Don Cunningham<dcunningham(@ventureseattle.com>; Dealy Etter <detter(@ventureseattle.com>; Tim Dickerson <tdickerson(@goodman re.com> Subject: 50 Pine Street water servicer issue Giovanni — I spoke with Jeannie McConnell this morning. While the city accepted a 2-inch street service and meter serving a 4" building supply, they are uncomfortable with the 2" serving a 6" building supply. Recall that the 2" design was predicated on a desire to save substantial connection fee... I need your help to defend this design. Jeannie wants an explanation for why supply changed from 4" to 6" and how 2" meter is sufficient - will read accurately, and not have reduced life span due to anticipated flows. Need to submit this to Jeannie before she forwards on to Operations for their review. This is holding up approval of our Design Change drawings. IMI Richard A. Tomkins, P.E. I Vice President Director of Engineering tri, ad a division of David Evans and Associates. Inc. 20300 Woodinville -Snohomish Road NE Suite A I Woodinville, WA 98072 c: 206 794 9265 d: 425 415 2049 w: triad associates. net e: rtomkins()triadassociates.net triad is now " To learn more, click here. Engineering I Surveying I Landscape Architecture I Planning From: McConnell, Jeanie To: Rick Tomkins Subject: RE: 50 Pine Street, Point Edwards Date: Tuesday, March 22, 2016 7:53:30 AM Attachments: imaae001.ona imaae001ma imaae004.ono Good morning Rick, Our Water Division Manager has indicated the water line configuration as described below is not acceptable to the City. Here is the feedback I received: First, the Omni T2 meter is a turbine meter and not designed for this application. The City will use an Omni C2 meter which is a compound meter and will be more accurate at reading the low flows. Second, installation of a 4" line from the main to the meter is not recommended. The City will install a 2" service, unless one has already been provided. If the applicant wants to upsize the pipe from the meter into the building they can. If they want a 4" tap on the main they would have to pay for a 4" connection fee, however this approach is still something staff would need to discuss to make sure this approach makes sense. Please let me know if you have additional questions on this. Regards, Jeanie From: Rick Tomkins [mailto:RTomkins@triadassociates.net] Sent: Wednesday, March 16, 2016 4:57 PM To: McConnell, Jeanie Subject: RE: 50 Pine Street, Point Edwards Thank you Jeannie. Rick From: McConnell, Jeanie[mailto:Jeanie.McConnell(cbedmondswa.gov] Sent: Wednesday, March 16, 2016 4:48 PM To: Rick Tomkins Cc: Bruce Moe; Eric Bentler; Aidan Bird; Matt Parent Subject: RE: 50 Pine Street, Point Edwards Hi Rick, I have passed your questions on to our Utilities Engineer and Operations staff. I will follow-up with you just as soon as I can. Regards, Jeanie From: Rick Tomkins[ma iIto: RTomkins(cbtriadassociates.net] Sent: Wednesday, March 16, 2016 11:03 AM To: McConnell, Jeanie Cc: Bruce Moe; Eric Bentler; Aidan Bird; Matt Parent Subject: RE: 50 Pine Street, Point Edwards Hi Jeannie — We have reviewed this further with our ME consultant, who has recalculated peak daily demand to be 185 gpm.... This is within the operating range of the 2" Sensus Omni T2 meter (see attached specification). To keep pipe velocities under 8 ft/sec, we propose tapping the main and running 4" to the 2" meter, 4" from the meter to the building point of connection and then continue into the building with 6". Would this be acceptable to the city? Thank you, Rick From: McConnell, Jeanie [mailto:Jeanie.McConnell@edmondswa.gov] Sent: Monday, March 14, 2016 2:35 PM To: Rick Tomkins Cc: Bruce Moe; Eric Bentler; Aidan Bird; Thornquist, Linda Subject: RE: 50 Pine Street, Point Edwards Hello Rick, Phased approval is addressed in Edmonds Community Development Code 19.00.025.K. This code section states phased approval may be granted for grading, shoring, and foundation. A separate permit application will need to be submitted in order to break apart the current submittal and the performance bond we previously discussed would need to be submitted prior to issuance of the grading/utility permit. I have copied Linda Thornquist on this email and she can answer any additional questions you might have on this process. As far as the water meter questions, I'm glad to hear you are still working through the meter sizing. Our Public Works Operations and Maintenance Department completed the review of the recent submittal and also agreed this needed to be addressed before we could sign off on the plan set. Flow rates can be found by looking up the Sensus Omni meter. The City only taps the City main when service lines are less than 2". Service connections 2" and greater are installed by the contractor. Also, anything above a 2" meter is installed by the contractor. Please see meter fees below, as well as general facility charges (charged with all new domestic connections). Meter Fees: Pater Meter FLc Fee charged for new water service line from main to meter, and meter installation per Edmonds Citv Code 7.30.030. Meter Size Cost 3/4" $ 2920 1 " $ 2970 1.5" $ 6220 '" $ 6390 General Facility Charges: B. Water System GFC. The % ater system GFC shall be paid upon. and according to the date of, application for water service, and based upon the size of the meter to be installed. as set forth in the table belo,.v: 2012 before effective 2012 effective date Water Meter Size date forward 2013 2014 and beyond 3/4" meter S908.00 S2.979.00 S4.014.50 $5,050.00 1" meter S2.270.00 $7.447.00 S10.035.50 $12,624.00 1.5" meter $4,540.00 $14.894.00 $20.071.00 $25,248.00 2" meter $7.264.00 $23.830.50 $32,113.75 $40.397.00 3" meter $14.528.00 $47.661.00 $64.227.50 $80,794.00 4" meter $22.700.00 $74.470.00 $100,355.00 $126,240.00 6" meter S45.400.00 $148.940.00 $200.710.00 $252,480.00 8" meter S72.640.00 $238.304.00 $321.136.00 $403,968.00 Regards, Jeanie From: Rick Tomkins [mailto:RTomkins@triadassociates.net] Sent: Wednesday, March 09, 2016 5:15 PM To: McConnell, Jeanie Cc: Bruce Moe; Eric Bentler; Aidan Bird Subject: RE: 50 Pine Street, Point Edwards Also Jeannie - In order to expedite a construction start, assuming we address all of your engineering concerns, it may make sense to separate the site work from the building permit. Does the city have, or would it be amenable to issuing, an early Grading/Utility permit - ahead of Building Permit issuance? Thank you, Rick From: Rick Tomkins Sent: Tuesday, March 08, 2016 5:05 PM To: 'McConnell, Jeanie' Cc: 'Bruce Moe'; Eric Bentler Subject: 50 Pine Street, Point Edwards HiJeannie — We are still working with the Mechanical Consultant to reduce the water service size needed for building 10. As we previously discussed, experience tells us the currently specified 6" is oversized.... Can you tell me what meter sizes are available through the city? What are the fees? In particular, is a 3" available, and if so, what flow is it rated for? Thank you, Rick Richard A. Tomkins, P.E. I Vice President Director of Engineering I triad a division of David Evans and Associates, Inc. 20300 Woodinville -Snohomish Road NE Suite A I Woodinville, WA 98072 c: 206 794 9265 d: 425 415 2049 w: triadassociates_net e: rtomkinsontriadassociates.net MEN triad is now Off To learn more, click here. Engineering I Surveying I Landscape Architecture I Planning From: Rick Tomkins To: Rick Tomkins Subject: FW: 50 Pine Street Building 10 Water Meter Date: Monday, October 9, 2017 1:06:15 PM From: Giovanni Juarez -Ortiz [mailto:gjuarez@emeraldcityeng.com] Sent: Tuesday, March 22, 2016 11:44 AM To: Rick Tomkins <RTomkins@triadassociates.net> Cc: Aidan Bird <abird@studioms.com>; Matt Parent <mparent @ventureseattle.com>; Bruce Moe <bmoe@ventureseattle.com>; John Toman <jtoman@emeraldcityeng.com> Subject: RE: 50 Pine Street Building 10 Water Meter Rick, I discussed our options with John, and even though the peak demand of the building is 185 GPM, it is unlikely to see such flow rate on a regular basis. Adding the cost difference to the equation-- we approve on the installation of the 2" meter. We still require a 6" POC to comply with the plumbing code. Let me know if you have any questions. Thanks, GIOVANNI JUAREZ-ORTIZ I MECHANICAL Emerald City Engineers, Inc. 1 6505 216th Street SW, Suite 200, Mountlake Terrace, WA 98043 T 425,741.1200 1 F 425.741.12011 www.emeraldcityengineers.com From: Rick Tomkins[mailto:RTomkins(@triadassociates.net] Sent: Tuesday, March 22, 2016 9:01 AM To: Giovanni Juarez -Ortiz <gjuarez(@emeraldcityeng.com> Cc: Aidan Bird <abird(@studioms.com>; Matt Parent <mparent(@ventureseattle.com>; Bruce Moe <bmoe(@ventureseattle.com>; John Toman <jtoman(@emeraldcityeng.com> Subject: RE: 50 Pine Street Building 10 Water Meter Giovanni —the city is objecting to the use of a turbine meter (T2) and instead is requiring a compound meter (C2) which has a lower operating range for the same size.... (see attached email from Jeannie McConnell). The peak demand you calculated (185 gpm) falls outside the operating range of a 2" C2 meter (0.5 to 160 gpm), but is under the C2's max intermittent flow (200 gpm). Can we get along with a 2" or must we step up to a 3"? Note that the GFC for a 3" meter is twice that of a 2" ($80,794 vs $40,397). Thank you, 1101 From: Giovanni Juarez -Ortiz [maiIto: gjuarez(a)emeraldcityeng.com] Sent: Wednesday, March 16, 2016 10:49 AM To: Rick Tomkins Cc: Aidan Bird; Matt Parent; Bruce Moe; John Toman Subject: RE: 50 Pine Street Building 10 Water Meter Rick, The peak demand was actually lowered to 185 gpm rather than the 195 gpm as previously reported. A 2" turbo meter should be sufficient if allowed by the City. The pipe sizes mentioned below seem reasonable, the 6" upsize will need to happen at least 5' from the building edge. Thank you, GIOVANNI JUAREZ-ORTIZ I MECHANICAL Emerald City Engineers, Inc. 1 6505 216th Street SW, Suite 200, Mountlake Terrace, WA 98043 T 425.741.1200 1 F 425.741.12011 www.emeraldcityeng_ineers.com From: Rick Tomkins [ma iIto: RTomkins(@triadassociates.net] Sent: Tuesday, March 15, 2016 11:31 AM To: Bruce Moe <bmoe(@ventureseattle.com> Cc: Giovanni Juarez -Ortiz <givarez(@emeraldcityeng.com>; Aidan Bird <abird(cDstudioms.com>; Matt Parent <mparent Pventureseattle.com> Subject: RE: 50 Pine Street Building 10 Water Meter Bruce — please see attached email from Jeannie "RE: 50....pdf' — she is quoting the same code standards section I sent you previously... She does provide this new information: City uses Sensus Omni meters (see attached specifications) A 3" compound meter is rated for flows up to 400 gpm A 3" turbo meter is rated for flows up to 500 gpm GFC for 3" meter is $80,794. Applicant pays for meter and performs installation since larger than 2" 3" meter may be oversized since in the attached "RE: GRE ....pdf" Giovanni indicates a needed supply rate of 195 gpm. If this is a "maximum daily demand" then this appears to be within the capacity of a 2" Turbo meter (rated for flows up to 200 gpm). Giovanni — please confirm maximum daily demand flow rate. If a 2" turbo meter were acceptable to the city, then the GFC would reduce in half to $40,397. Note that 195 gpm requires a 4" pipe to limit velocities to less than 8ft/sec (— 5 ft/sec). So we would tap the main and run 4" to the meter, 4" from the meter to the building POC and 6" from the POC and into the building. Best, 107 From: Bruce Moe [mailto:bmoe(a)ventureseattle.com] Sent: Tuesday, March 15, 2016 10:00 AM To: Rick Tomkins Subject: RE: 50 Pine Street Building 10 Water Meter Is Jeannie the proper person? The city of Edmonds has a water district that should tell you! Cost of a 2", 3" GPM thru the meter. You will need to design the meter vault, backflow device, etc. Bruce From: Rick Tomkins [mailto:RTomkins(@triadassociates.net] Sent: Thursday, March 10, 2016 8:34 AM To: Bruce Moe <bmoe(@ventureseattle.com>; Giovanni Juarez -Ortiz <gjuarez(@emeraldcit)1eng.com> Cc: Matt Parent <moarent(@ventureseattle.com>; Eric Bentler <ebentler(@good man re.com> Subject: RE: 50 Pine Street Building 10 Water Meter Bruce — have not make contact with the city, but found the attached information in their code. Page 5 indicates 3" meters are available (at twice the gfc as a 2")... I will continue to pursue this with Jeannie to figure out gpm rating. Rick From: Bruce Moe [mailto:bmoe(aiventureseattle.com] Sent: Wednesday, March 09, 2016 4:05 PM To: Giovanni Juarez -Ortiz; Rick Tomkins Cc: Matt Parent; Eric Bentler Subject: RE: 50 Pine Street Building 10 Water Meter Have any of you contacted the water dept. for meter availability sizes, E.G. P.M? The owner needs to know meter costs for their budget reasons. You need to know what meter size is being used to plan for the vault, it's size, connections, etc. I still believe a 2" meter may be sufficient, but absolutely no more than a 3". Please provide this information by 3/10/16. 1 have an owner meeting 3/11/16 to discuss. Bruce From: Bruce Moe Sent: Friday, February 19, 2016 3:50 PM To: 'Giovanni Juarez -Ortiz' <gjuarez(@emeraldcityeng.com> Cc: rtomkins(@triadassociates.net; 'jtoman@emeraldcityeng.com' <jtoman(@emeraldcit)1eng.com>; Matt Parent <moarent(@ventureseattle.com> Subject: RE: 50 Pine Street Building 10 Water Meter Giovanni, The meters are provided by the water departments. All municipalities seem to be a little different on performance. Please check that AND available pressure with the water dept. My validation of meter sizing is strictly from experiences with similar projects. I am not aware if a 3" meter is available. Have you checked? Bruce From: Giovanni Juarez -Ortiz [mailto:gjuarez(@emeraldcityeng.com] Sent: Wednesday, February 17, 2016 10:35 AM To: Bruce Moe <bmoe(@ventureseattle.com> Cc: John Toman <jtoman(@emeraldcityeng.com> Subject: RE: 50 Pine Street Building 10 Water Meter Bruce, What is the maximum flow rate the 3" or 2" meter can handle? GIOVANNI JUAREZ-ORTIZ I MECHANICAL Emerald City Engineers, Inc. 1 6505 216th Street SW, Suite 200, Mountlake Terrace, WA 98043 T 425.741.1200 1 F 425.741.12011 www.emeraldcityengineers.com From: Bruce Moe [mailto:bmoe(@ventureseattle.com] Sent: Wednesday, February 17, 2016 9:57 AM To: Giovanni Juarez -Ortiz <gjuarez(@emeraldcityeng.com> Subject: FW: 50 Pine Street Building 10 From: Bruce Moe Sent: Wednesday, February 17, 2016 9:56 AM To:'givarez@emeraldcityeng.com' <givarez(@emeraldcityeng.com> Subject: FW: 50 Pine Street Building 10 From: Bruce Moe Sent: Wednesday, February 17, 2016 9:55 AM To: 'Rick Tomkins' <rtomkins(@triadassociates.net>; 'givarez@emeraldcityeng.com' <givarez(@emeraldcit)Ieng.com> Cc: Matt Parent <moarent Pventureseattle.com>, 'karela@peltramplumbing.com' <karela(cpeltramplumbing.com> Subject: 50 Pine Street Building 10 Would you please recheck your calculations. I still believe the 4" meter is over sized based on previous project experiences. Karel would you review also please. A 4" meter with the vault requirements etc. is substantially more expensive than a 2". Bruce From: Rick Tomkins[mailto:rtomkins(@triadassociates.net] Sent: Tuesday, February 16, 2016 4:39 PM To: Bruce Moe <bmoeC@Ventureseattle.com> Subject: FW: GRE Pt. Edwards - CAD base and utility PDF Bruce — Here is the latest from Emerald City... 195 gpm should be no problem for 4" meter... Rick From: Giovanni Juarez-Ortiz[maiIto: ajuarez(a)emeraldcityeng.com] Sent: Tuesday, February 09, 2016 6:19 PM To: Rick Tomkins Cc: 'Aidan Bird' Subject: RE: GRE Pt. Edwards - CAD base and utility PDF Hi Rick, I resized the water system utilizing Appendix C of the Plumbing Code. This lowered our building demand from 235 GPM to 195 GPM. Unfortunately, we are still maxing out on the velocity for CPVC pipe material, and a 6" water main and POC is still required. On the plus side, since the demand was lowered-- as long as a 4" water meter can handle 195 GPM, we can have a 4" water meter and upsize to a 6" POC at least 5' from the building edge. Let me know if you have any questions. Thanks, GIOVANNI JUAREZ-ORTIZ I MECHANICAL Emerald City Engineers, Inc. 1 6505 216th Street SW, Suite 200, Mountlake Terrace, WA 98043 T 425.741.1200 1 F 425.741.12011 www.emeraldcityengineers.com From: Rick Tomkins [mailto:rtomkins(@triadassociates.net] Sent: Monday, February 01, 2016 4:27 PM To: Giovanni Juarez -Ortiz <gjuarez(@emeraldcityeng.com> Cc:'Aidan Bird' <abird(@studioms.com> Subject: RE: GRE Pt. Edwards - CAD base and utility PDF Giovanni — The city has requested you reconfirm size of required domestic service — they indicate that 6" is larger than what they typically see... Are you quite certain that a 4" is not sufficient? Note that fire service is only 4"... Thank you, Rick From: Giovanni Juarez -Ortiz [maiIto: gjuarez(a)emeraldcityeng.com] Sent: Wednesday, October 21, 2015 6:31 PM To: Kevin Puckett Cc: Rick Tomkins Subject: RE: GRE Pt. Edwards - CAD base and utility PDF Kevin, I finished the water sizing calculations and we'll need a 6" domestic POC. This transition will need to happen at least 5' from the building to meet code. The meter will need to handle 235 GPM. Let me know if you have any questions. Thanks, GIOVANNI JUAREZ-ORTIZ Emerald City Engineers, Inc. From: Giovanni Juarez -Ortiz Sent: Wednesday, October 21, 2015 8:44 AM To: 'Kevin Puckett' <kpuckett(@triadassociates.net> Cc: Rick Tomkins <rtomkinsPtriadassociates.net> Subject: RE: GRE Pt. Edwards - CAD base and utility PDF Thank you Kevin. Just to confirm, the domestic water POC is located at the southwest corner of the building? Coming in just below the garage level? Also, we have the domestic backflow preventer inside the building? Thanks, GIOVANNI JUAREZ-ORTIZ Emerald City Engineers, Inc. From: Kevin Puckett[mailto:kpuckett(@triadassociates.net] Sent: Wednesday, October 14, 2015 4:19 PM To: Giovanni Juarez -Ortiz <gjuarez(@emeraldcityeng.com> Cc: Rick Tomkins <rtomkins(@triadassociates. net> Subject: GRE Pt. Edwards - CAD base and utility PDF Hi Giovanni, Attached is a CAD base drawing and a PDF of the utility plan. Here are water pressures: Finished floor elevations vary from 132.75 (1-1) to 175.75 (L5) Pstatic at L1 = .433x(325—132.75) = 83.2 psi Pstatic at L5 = .433x(325—175.75) = 64.6 psi Please let us know if you have trouble with these files or need additional information. Thanks, Kevin Puckett I Engineering Designer HYPERLINK "http://www.triadassociates.net/assets/images/Triad_Large.png"Triad 20300 Woodinville -Snohomish Road NE Suite A I Woodinville, WA 98072 d: 425 415 2086 w: triadassociates.net e: kpuckett(@triadassociates.net Engineering I Surveying I Landscape Architecture I Planning Please reply if you are unable to open the attachment(s). Direct all other questions regarding content to Rick Tomkins. Triad Land Development Consultants 20300 Woodinville Snohomish Rd NE Woodinville, WA 98072 w:425.415.2000 f:425.486.5059 CONDITIONS OF ELECTRONIC FILE The information on the accompanying electronic file was copied from computer data created as a step in producing a specific drawing or document. There may be discrepancies between the data in this electronic file and the drawing or document it represents. Where such discrepancies exist, only the physical drawing or document can be relied on to reflect the work of Triad Associates. 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