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HomeMy WebLinkAbout _ 4.5(a)--Award of Bid Schedule No. 5356- Current Transformers GI �" Y � F � � � ° � � � " � � CITY OF REDDING REPORT TO THE CITY COUNCIL MEETING DATE: May 2, 2023 FROM: Nick Zettel, Director of ITEM NO. 4.5(a) Redding Electric Utility ***APPROVED BY*** �4..ry �� � w� .. s.N,.�� , � -�°���� �k et e o� �rcctor�i9' e in r tric�Llt'rtity 412��`2��3 �� �}r ippin,Ci ��� �na � � 41'�S/2423 nzettel@cityofredding.org btippin@cityofredding.org SUBJECT: 4.5(a)--Award of Bid Schedule No. 5356- Current Transformers Recommendation Authorize the following relative to Bid Sched�ule No. 5356, Current Transformers: (1) Accept and award to the apparent low bidder Anixter, Inc., for an annual estimated cost of$695,852.01. The contract period shall be from May 2, 2023, through March 31, 2024; (2) Authorize the Purchasing Officer to extend the bid award annually with Anixter, Inc., through March 31, 2028, if mutually agreeable and as budget allows, with all terms and conditions remaining the same and price adjustments made in direct proportion to a Producer Price Index; and (3) Authorize the City Manager to approve changes to future pricing terms and policies as needed. Fiscal Impact Funding for the purchase of current transformers was included in Redding Electric Utility's adopted budget for Fiscal Year 2022-23. Staff will incorporate current transformer costs for future years as part of the biennial budget requests. Alter�native Action The City Council could choose not to award the bid to Anixter, Inc., and provide alternative direction to staf� Background/Analysis On Monday, March 6, 2023, three bids were opened for current transformers. In the evaluation process, staff analyzed the bids based on the bid price and compliance with specifications. The apparent evaluated low bid was from Anixter, Inc., for$648,813.06, not including sales tax. Report to Redding City Council Apri126, 2023 Re: 4.5(a)--Award of Bid Schedule No. S3S6- Current Transformers Page 2 This is a routine bid for current transformers through March 31, 2024, with up to four one-year contract extensions on an as-needed basis, subject to the availability of budgeted funds. These current transformers are required to support new and existing commercial services and replace the existing and aging transforiners in service. Environmental Review This is not a project defined under the California Environmental Quality Act, and no further action is required. Council Priority/City Manager Goals • This agenda item is a routine operational item. Attachments ^Bid Schedule No. 5356 - Tabulation of Bids Anixter Quotation Proposal form W O O O � tMp � � � t� � � � O � O (p (p �' 00 L� �f' �- tt') X O � N � M W �- � c- r �ll �(�ddng�apeW �» c� � W o 0 U � �i � � � n- � -�vr- F- z � W M t��- O � p U N O M 00 N � � 0�0 00 O 0�0 n' N � 00 i� tn ,1�� tN � � � (�O W EF} ff3 Efl� ER '�U).18�XIU�/ W � � U � o � � � n- �. � F- z � w rn � � o n U o � c�ti oi � � ti rn co r� co n' o � c�i �r n: t- �- oo rn cfl u� X � � � � � W suoi�n�og �t�ddng a�mogaup M � W 00 M U �ci c�i � N N � � � � Z � � O H .n � � M Z 0 0 0 m N F- O � � � � i Z � Z (n Z � � O � a � m L og � � a �° o � " � � �a a � ~ C � � w o � > W O � o p ti 0 � H c�i c � � Q � � � � w � m ,��, C� 0 z � o .= a� o o cxa o �- a V W � a�i co cv h h I— U � � � Y >- � M U � � � � � -`-' a M ° a m m Qz QUOTATIaN PRQPOSAL FORlYI +�URRENT TRANSFOF�MERS (Bid Schedule #535b} To: City af Redding Sarah Froeber, Buyer � ��� Date �"� �`�t C:.--�—d ,2,` �(�L. =� The undersigned �'��1`x"�'�'�--- (Corpora�e Name of Bidder) agrees ta furnish to the City of Redding, Californ.ia, at �lie prices quoted belaw, in accordauce wit1� the Specificatio�s, Terms, and Conditions on fiIe in the office of the Purchasing Division of the City of Redding, a copy of which is attached heretq and is hereby made a part of t1�is PraposaL• Itern� CT Type Estimated Unit Price Extended Total Quanti . 1 600:5 Bar 3,453 $ �� 1 �'� $ "�L�;���.i . �;�" 2 2000:5 Wi�dow 783 $ d t���=� -��; $ i�-4�, f>���%F �`f Sub-Total $ C�%'��, � e�..G to Sales Tax (7.25%) $ `;�, ��� -� �`-� Grand Tatal $Ci%i� �`�'�- �-%� , Bra7ad Subml�ted: �-�- .� ���-1 � �C I��::r-�-�`� If submitting otller than GE brand, a]I documentaticm necessary for evaluatian o� other malce/model shall be subm�-tted with the bid. Failure to do so �vill be grounds for re jection. The estimated quantities listed above are for evaluatian purposes oniy and arz not to be interpreted as an order. The prices quoted herein are firm, and are not sub ject to change. The City reserves the riaht to reject any or aIl Bids and ip waive minor irregularities. _ It is fiuther agreed the materials tc� e fiunished under this proposal will be delivered, with all freight charges barne by suppliez, f.o.b., Redding, Ca.l.ifornia, at Electric Utility $uilding I�F�. 2, 20055 Viking Way, Reddirg, CA 9b003-8229 within `� �:% weeks after issue of purchase orders. Tlae bidder hereby acknowledges that Adden.da Nos. , , , tr� this Bid have been received, if any (Bitlder i.nsert Addendum No. Of each Addendum receivzd). Bidder underst�nds fai�ure to acknowledge any addenda issued may cause the bid to be considered non-respansive. Bidder may cl�eck ti7e website www.cityofreddin�or6/PurchasinCBids or contact the Purcbasing �i'v�,���a�:� ����-�*;�:u��..�r€�s�.�d�€�'^�. �Ef any�, ��at�.�_�??���=�e�t. �t� �� r�.�Y��si'�il:fiy cr tile potential bidder/proposer to assure he/she bas copies af each addendum Acceptance of fihe quotation herein does not constitute a contract for goods or services. It is understood that t}�is bid shall remain open and shall not be�vithdrau�n for a period of sixty(60) days from the date prescribed far the open%ng of the bid. In submitting the above, the vendor agrees that the quotation stated herein is final and may be relied upon by the City in any future contract tbat znay be executed between t}�e Gity and the vendor. Respectfiilly submit�ed, �..:���C;� �C''��,`��' r�� �n% i ?�'�J�-C d�' (Mailing Address) � (Corporate Name of Bidder) �. , .-- �'' ��,_., ►�c�;�=-� 1 ��--� �-i � r�:;� �,.�.��.�<< ,.�: f�����---�..._...-. r' (City, State &Zip} '�.�tgnattueY � � �� ��=� ��i� -�`!�-�� - ; =�.,.,�y;�,, �'��� � � (Telephone/Fax) (Print Name) ,�— 1 r�t��r� . �` � �:r�-�..�V.��S�t�Ji�%. (�`(;j�y-) 5.�.����� (Email Address} (Title} �� Grid Solutions � �d�l J,�C�'�� ��V�'�1u�.3+�I�1S�'TM Revenue Metering Current Transformer Application ��•-� tr• .-��,; RevenueSenseT"'is a revenue metering current transformer which �ry �y. , maintains fEEE 0.15 accuracy class from 1°10 of rated current up through ratingfactor.This is accomplished usingthe specialized amorphous core material v;�hich minimizes electrical core losses. The result is an extremely accurate CT that can maintain high accuracy over a extended range of current.Model JAD-OS is designed for indoor/outdoor service,and is available in bar•type or window-type designs. Fea�ures • Voltage Cfass:Q.6 kV • Frequency:50-60 Hz • Window Size:5.75" • Insufation Level:f0 kV BIL • Appficatian:lndoar/Outdoor 6.f5Class -HI hAccura = 03.yi,. ' � B2nE�t5 S% too96 RE • Maximize revenue metering accuracy with specia�high accuracy o.155 Class —5 eclal Ht h Aecuracy ' rating e�ttended 6eyo�d�EEE requi�ements o • Simplify CTsefection and bilfing muitipliers,improving $� RF productivity and minimizing risk of error GE Revenuesense~ + Reduce inventory and part number requirements,reducing asset e and operational tosts tab RF JAD-OS Unit Selection Current Ratia lEEE Metering Ra�ing Factor Cotolog Number (Amps) Accuracy(60.Hz) 30�� 55°C No Bose With Base 600:5 0.15580.2' 3.2 2.6 750X3206L1 ]SOX320612 800:5 O.15S80.5' 3.0 2.D 75dX320004 75DX320014 1,200:5 0.15580.9' 2.0 1.5 750X3Z�001 754X320011 1,500:5 Q.15S80.9' 2.0 1.5 750X320005 75DX320015 2,000:5 O.15SB0.9' 2.0 1.5 750X320002 750X320412 3,000:5 0.15580.9' 1.5 1.0 750X320003 750X320013 !1)f�tceeds)EEE defni6on forspecial high ocrurocy.MainLains 0.15 Accurocy frarn 1%to Roting Fodor. (2)Primary-bar options available upon request Contad GF for more detaits. �3J Oiher designs nwilabte,upon request.CootocY GE for more details. i � / Weight ' ,�,_� i Transformer,WindowType 131bs ; Primary 6ar,add 41bs • Mounting Base,add 216s p..�.,.,. d � � � � f Reference Drawings ,_,__ � ;. Outline 0121C34994 —" „ m r" ' ~ � �,.t.e...M, Primary Bar Assembly 0821C35021 � u � + Base Assembiy 0221A36647 O O O ? i � Hl � tl i \ ! 0 i O i - --1- ,. ' � � I ,.u.�rMub.,..�r., .:»�;<.�.� i Construction and Ensutation Nameplates I The core and coil assembly is encapsulated in resin within a The nameplate is laser engraued aluminum and is attached to the molded case.The case is molded with GE Valox thermoplastic top of the unit.The nominal current rating is marked on both sides polyester resin,This tough material has excellent electrical and of the unit in large numerals. mechanical properties over a wide temperature range,has iow � water absorption and is resistant to olf and a variery of themicals. prirnary Condu[tor � The poiyurethane resin filli�g completely encapsulates the i winding,Ieads and terminals to form a waterproof unit. Removable primary bars are farmed from 1/4"x 4"tin-plated,flat 1 copper bar,with 1/4"spacing between bars on multiple bar Core and Coils assem6lies.The bars are retained by insulated and ventilated end caps,which permit the bars to be rotated to any desired The core is manufactured with fiigh-efruiency materia(that orientation and alfow the transformer to be supported in a vertical reduces energy losses,allowing for higher accuracy over a wider primary arrangemen�A potential connector is provided adjacent range,The secondary winding is made of heavy enameled copper to one end cap,Primary bars are availa6fe in 117/8"and 14 wire evenly distributed around tha core for maximum accuracy 1/4"lengths,eath provided with foar bolt ho{es at each end. ' and resistance to stray fiefds from adjacent conductors. ; Basepiate and Maunting � �Terminals + The transformer can be mounted in any position.An optional base Secondary terminals are tin plated brass,c�mpression type with a pEate is available,made of stainless steel.It is attached to the � 0.275"diameter cross-hole for wiring and a 114-28 cfamp screw,A transTormer with two bolts. � shorting device is provided and interlocked to the termina�cover. i The terminal cover is made of a cfear plastic.Provision is made for Mainten2nce i sealing the cover.. These transformers require no maintenance,other than Polarity occasional cleaning,if instalied where air contamination is severe. Primary and se�ondary polarity marks H1 and Xl are molded into the case, i ( GEGridSolutions.com fTl-ModebJA0�0.5•Speo-EN-2020_OB�Grld-AIS-]364.O Copyrigtit2�i9.General ElochicCompany and lnstrument Transfortners LLC reserve Ihe rlght to change sperificaUans af described � produces at any tlme withau[noHca and wfthout obligation to noti'ry any person o(such cNangrs, Worldwide Contact Genter Web:www.GEGridSolutions.com/contact Phone;+44(0)1785 250 070 i � i USA and Canada:+1 f0)800 S47 8629 ! � Europe,Middle East and Arrica:+34(0)94 A85 SB 00 i �E Grid Solutions [� ��el J �T-C�S R�v� r� � �Se�s�T� Revenue Metering CurrentTransformer Application _" , a�-'ti;� RevenueSenseT"`is a revenue metering current transformer whicfi maintains IEEE 0.15 accuracy class from 1°/a of rated current up thraugh rating factor.This is accomplished ��;_�'::'str=�;.� using the specialized amorphous eore material which minimizes electrical core losses.The result is an extremely accurate CT that can maintain high accuracy over a extended range - of current Modef JCT-DS is designed for indoor service,and is avaifabie in bar-type or _ + window-type designs. �'�% :::�` Features � • Voltage Class:0.5 kV • insulation Leval:10 kV BIL • Frequency;50-60 Nz • Appfication:lndoor • Window Size:I.31" Benefts q,15 Class-NI h Accura • Maximize revenue metering accuracy � �" ;;q 3S6 r �• with specia►high accuracy ratinJ 5gb ��� RF extended beyond IEEE requirements o.755 Uass-Speciai Hfgh Accurary_ __... • Simplify CT selection and 6i!(ing q �, , multipliers,improving productivity and sav f�F minimizing risk of error • Reduce inventory and part number ��Ftevenue5ens�'�^ e requirements,reducing asset and �,� RF operationa!costs Model JCT-OS Current Ratio fEEE Metering Rating Factor Catalog Number (Arct s) Accuracy Primary Bar P (b0 Hz} 30°C s5°C No Base Low 8ase High Base 600:5 0.15S60Z Z.0 1,5 Yes 750X323001 750X323002 750X323�03` (])Exceeds 1EEE de(nition farspeciaJ high accurac�.Mointoins 0.25 Accwacy ftom 1%to Rating Factor. f2)Windaw-s;yle optian availoble,npon requesk Contact GE for more derolls. !3)Other designs avnita6le,upan request Contact GE for mwe detoils. (4J MeasurementCanoda Approudt:AE-2422 t � / Model JCT-OS- Dimensions ± i ..;� ; lr���___ .��.--1 , ; I � ( � 0.5G 5M q SN j� UN. y35 � �aa ( o� a�n ia� -i,»- �.» u I � ue � _._... i,aa ! ml ta '__� ' O ( I O O ( �...�.�,-.. n� � (� I 1�� 1 4 ' O�t "' 6T7 `9.6I � I� 0.1) �--l.tJ� MtlAl1Y LY[ �i A"�' Cp OK � R4— — ]�4�. �RC FLU6tf11 210t6 QSS 6a �W A � �K pr6f NtGN 949L i �a�t I�a+ an�+, i � .�._.. l_,. ...�-_ �orcrmH.w.rccrzn ! i � ``` " ���` -�—.,r� ' ��y� °' i'm'Toi� aa� w,uc.aarc u �a�.. �f. � ' \ � �r`_�ii I ��� ��� � � � ,I � � � i Reference Drawings Weight i i Outllne Transformer,with Bar Low Base,add High Base,add 0121�42808 71hs 031bs Slbs Construction and insalation NamepEates The core and coif are ent[osed in a case molded with GE Valax The nameplate is laser engraved alurninum.lt is attached to the top i thermopiastic polyester resin.This tough material has excellent ofthe unit and has provision for attaching the users iden�ifyingtag, i electrica(and mechanical properties over a wide temperature The nominal corrent rating is marked on the side ofthe unit in large range,has low water absorption and is resistant to oil and a numerals. � variety of chernicaEs, i Rrimary Bars I Care and Coils Formed from solid copper bar,they are tin-piated.They are non- � The core is manufactured with high-e�ciency mafierial that removable and have a potentiaf connector that can be attached � reduces enargy losses,ailowi�g far higher accuracy over a wider above or belowthe bar at eithar end. ' range.The secondary winding is made of heavy enarneled copper j wire evenly distributed around the core for maximum accuracy gasapiate and Mounting � and resistance to stray fields from adjacent conductors. i The transformer can be mounted in any position and may be ! 1'et'minals suspended from the bus-bar or ca61e.It has provision for a�aching two optional bases.low 6ases are made from stainless steel.The Secondary terminals are tin plated brass,compression type with high base increases the transformer height by 2 inches. i a D.275"diameter cross-hole for wiring and a 1J4-28 clamp ; screw.A shorting device is provided and interlocked to the Maintenance terminal cover.The terminal cover is made of a clear pfastic, Provision is made for sealing the cover. These transformers require no maintenance,otherthan occasional cieaning,if installed where air contamination is severe, i Polarity � The H1 polarity mark is mol�ed into the case,abov�the window � at one end.The X1 polarity mark is also moided into Che case GEGridSolutions.com adjacent to the secondary terminaL Both H1 and X1 are marked RI•Madel-JCT-OS-RS•Spec-EN-2019•03•Grid•AIS-14�S.BCapyrlghtr2019.General[Icchit Wf�h Whlt2 dOtS. Companyandinsirum=n[TrsnsfarmerslLCreservetherighttochangespecifica6onsofdesctibed produtts at any 6me without notice and tvlUiaucohlEgaGon to nnti'ry any person of svdi chaoges. Woridwide Contact Center We6�www.GEGrfdSolutions.com/contact ' Phone:+44(0)1755 Z50 070 � / � USA and Canada:+l(01 800 547 8629 / Eurape,Mlddle East and Africa:+34(01 94 485 88 00 i