The URL can be used to link to this page

Home My WebLink AboutC2018-635 - 7/24/2018 - Approved , t CITY OF CORPUS CHRISTI r`"v"v: ENGINEERING SERVICES • e r; ^ CHANGE ORDER ":, ' CHANGE ORDER NO: 12-Revised CHANGE ORDER DATE: 11/15/2018 PROJECT: ON,Stevens Water Treatment Plant High Service Pump Bldg,113 PROJECT NUMBER: F11066 CON'T'RACTOR: PI.WCadagua Partners ORIGINAL CONTRACT TIME: 1065 CD's ENGINEER: LNV,Inc, Slake the following additions,uadpfucatiors or deletions to the work described in the Contract Documents: Quantity Unit Unit Price Total I Immediate Repairs to Chlorine Evaporator Piping inside Gas Measurment Building I IS S 369,851.29 $ 369,851.29 2 Credit front Project Allowance 1 LS S (69,851.29) $ (69,851.29) Additional Calendar Days requested 90 NET TOTAL OF THIS CHANGE ORDER: S 300,000.00 Why was this Change necessary: Existing piping within the Gas Measurement Building to the evaporator inlets is corroded and at risk of failure. There currently is not any redundancy of this piping to allow for current replacement while operational. This change will replace the main supply line,pipes,valves and pittings and other appudenances as required by the Consultant's design. All piping which has previously been identified in tie Consultant's study will he replaced or bypassed by this change order. This work will consist of all the piping illustrated in the drawing provided by the Consultant.5300,000 was approved by Council Agenda Item on July 24,2018 and$69.851.29 was previously approved under the original project allowance. How can similar changes be avoided in the future? Future designs which include complete redundant feed lines along with Neuer Coustdtant review and maintenance practices will avoid similar occurrences. lire compensation agreed upon in this Change Order is full,complete andittrrul payment for all costs the Contractor may incur as a result of or relating to this change whether NUM costs are haouar, aakuown,foreseen or unforseen at this time,including without limitation,ant,cost for delay,extended overhead,ripple or impact cost,or any other effect on changed or unchanged work as if result of this('Mange Order. Original Contract Amount S 21,650,0110.00 Previously Approved Change Order Amount S 491,492.25 Proposed Change Order Amount 5 300,000.00 Revised Contract Amount S 22,441,492.25 Percent of Total Change Orders(including this CO) 3.66% Original Contract Time for Subst:otral Completion 1065 CD's Notice to Proceed Date 10/3/2016 Original Substantial Completion Date 9/3/2019 Previously Approved Change Order Time 87 CD's Additional Time on This Change Order 90 CD's Revised Contract Time for Substantial Completion 1242 CD's Revised Substantial Completion Date 2/27/2020 REVIEWED BY: LNV,Inc. REQUESTED BY: PLW Cadagua Patin r n/a Engineer Date Emilio Lopez l'ace ' Dale Vice President CITY OF CORPUS CHI(mil ,.-42(2F89rd l IND: >t4141(4098-041 It ECOM hi ENDED BY: 11/28/18 ACCOUNT: 5511910 -�/;_ 'Cent Power, Date ACTIVITY: E11066-01- 'r,.r 1 Acting Construction n 40.1 �' �-' �- UKIL 011 1 RECOMMENDED Ill. 1 Z [ (/ APPROVED BY: NA • 9 ffrey Edmonds,P.E. Date Valerie H.Gray,P.E. 1191 Ihrectorof Engineering Services Executive Director of Public Works SECRETA RECOMMENDED BY: Electronic Approval 12/03/18 APPROVED BY: NA Eddie Houlihan,Director Date Mark Van Vleck,P.E. Date Management and Budget Assistant City Manager C2018-635 l 7/24/18p11-30-18 APPROVED BY: NA M2018-118 ar Date Keith Selma, Date PLW Cadagua Partners ATTEST: .r., . REBE CA HIJERTA CITY SSCANNED, N ED I'f�f9�TARY • CITY OF courus CtIRLsrI F:NGINF:EItINC.SERVICES CHANGEORDER ';Al. ,+• CHANGE ORI)FM NO: 12 CHANGE ORDER DATE: 7/12/2018 PNO.IF:CC O.N.Stevens Water Treatment Plant High Service Pump IfIdg 03 PROJECT'NUMBER: E11066 CONTRACTOR: PI.W Cadagua Pattnets ORIGINAL CONTRACT'1ISlE: 1065 CIEs ENGINEER: INV,Inc. slake the following additions,modifications or deletions to the work described fu the Contract Documents: Quantity Unit Unit Price Total I Immediate Repairs to Chlorine Evaporator Piping inside Cias hleasunnent Building I LS S 300,000.00 S 100,00000 Additional Calendar Days requested 90 NE l'T-O'rAl.OF THIS CHANGE ORDER: S 300,000.00 Why was this Change necessary: Existing piping within the Gas Measurement Building to the evaporator inlets is corroded and at risk of failure 1 here cuneotty is not any redundancy of this piping to allow for current replacement while operational This change will replace the main supply line,pipes,valves and fittings anti other appurten L'Qeirnfiryil Moat's design. MI piping which has preciously been identified in sire Consultant's study will he replaced rx bypassed by this change order This wink will be per forme( n a Time and Materials basis as ill consist of all the piping illusttated in the drawing provided by the Consultant. flow can similar changes be avoided in the future? Future designs whi.h include complete redundans feed lines along with better Consultant review and maintenance practices will avoid similar o:emsewces. The compensation agreed upon in this Charge Order is full,Complete and final payment far all costs the Contractor min.haw as u result of or retain:to this charge whether said costs ore 8nmrn, unknown,foreseen or uaforseen at this time,inrladDrg without limitatian,any cost for delay,extended overhead,ripple or impact cost,or any other effect on changed or unchaagcd wort as a result of this Change Order. Original Contact Amount S 21,650,000.00 Previously Approved Change(rticr Amount S 491,492.25 Proposed Change Order Antonin S 300,000.00 Revised Camact Amount S 22v441,492.25 Percent of Total Change Orders(including this CO) 3.66 Original I nutracr(tine for Substantial Cotnpletiost 1065 CD'a Nonce to Proceed Date -- _-- 10/3(2016 Original Substantial('otnplelien Date 9/3/2019 Previously Approved Change Order Tune 87 CD'a Addiinmal'lime on This(mange Order 90('D's Revised Contract Time for Substantial Completion 1242 CD'a Revised Substantial('ontplet ion Date 2/27/2020 REVIEWED Ill': LNV,Inc. REQUESTED DV:I'LW C ii Pal tilers Ida July 18, 2018 Engineer Date Anal Raj Hate President CI'fl'OF CORPUS C IIRIS'1'1 OP / FUND:4096-041 RECOMMF:NDF:DRY: ► — _ 1/��I�g : ('COUNT: 5511910 —: :;�`Jv004 s (((Date A('TIVITY: E11066-Q1-4096-1•:X1' Engine ucsiot wish°. roshua S= - -P.0.) ate• • ��4 / t. RECOMMENDED III. s. I .� APPROVED IIY: NA Je rey Edmonds,P.E. Date Valerie II.Gray,P.E. Dale Director of rungineesing Services Executive Director of Public Woos RECOM5IENDED BY: Electronic Approval 7/19/18 APPROvl:DnY: NA Eddie Houlihan,Director Date Marl Van Vieek,P.E. Date Management and Budget Assistant Cit)Manager 2018.07.19 - RECOMMENDED 115:_ �' at10:31:15 -05'00' APPROVED BY: NA Irl Janet Kellogg /Kent Mcilyar Date Keith Selman O (6 I 1 p City Attorney Internis City Slower �/ u 1 ATTEST: ,...../p.......p.....• 3f 0111111011.,,,_.,..1 o REBECCA HUERTA rITY SECRETARY P'' .. . ... . ,.n ... • -.......a.. etaarr•