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HomeMy WebLinkAboutItem 9 PPP 09-02-2020 Operations Committee - Bay Bridge Pump Station 5-67 w - Bay Bridge Pump Station Replacement, Project No. 5-67 .w l" I Rim Contingency Increase for Elm Design Consultant PON AM - Y M `; Kathy Millea, Director of Engineering �- Operations Committee September 2, 2020 r o�N�y SANI rq;,�0� -{ •�_I, -� / iUCTIUYN SAYlR � � /' cc K�AcW r/�� THE ENv\� Why do I�K.� ping Station Pum ,► VIIIIII Force Main Sewer Flow has to be "forced" through the main Gravity Sewer because gravity alone is not enough to move it. Flow uses gravity to get to pump stations and treatment plants. An J , PUMP � � � ■ STATION ■ ■ ■ • Site Vicoinity t, Treatment Plant g� No. LIZ Olt I UNIMIRI F.]FRY, 416 ,+`' � _ ,�Lr�Y'-.• = -_ Irk �., . _` _ '�'•• . s _ r 1 ` •a •. a r :d i .rr ` i s= '1 4 A O _' ■ f' :v St Bay Bridge Pumpation r � t • ar.II _a . I . �� i s� � is r � . • s V-4 ...01' • vomit - r• � 1 r _ - N W 7V E Sc %I�K -0�2 k Existing Pump Station � ' Location 1 . L tt1111 i l `� _ += Existing Force Main ��� (f 17 l i �►, • ` Existing — Pump Station i 1•—, 1 '� - Idol[ - W 7V low S 1 %I�K -0�2 k Existing Pump Station � ' Location r j we 7 I ffr�. Y= Existing Force Main a io _j Old Coast Highwa • '� _,.�. •--�--�-�*- Existing � Y = Pump Station f c _ Bridge t a N � 'F w -7V E t %I�K I.-0�2 k Adjacent Developments Bayside Village -'� . i � f (C L c Marina, LLC (Back Bay Landing) r� JExisting Force Main Ej►QIt t` r t' Existing ^ --�"- C• Pump Station `A The Irvine W EA Company (Balboa '\ West Marina) 1 '24 fir. .e , IML Adjacent Developments _ 1 Back Bay Landing K- - Bal i i • • %I�K -0�2 k Existing Pump Station � ' Location 1 . L tt1111 i l `� _ += Existing Force Main ��� (f 17 l i �►, • ` Existing — Pump Station i 1•-, 1 '� - IU11 - W 7V low �. 1 10 r - 1 2017 Proposed Location e?' Proposed • • • • •Force Main ` • r �,. Samos��r■ • 40 Existing Force Main Jr- ? j a �_`�► � .fit,� _ .� •� Po^i' ,+ .� � Existing Pum • Station AA pp s 7 NOW ll� e , %I�K � ' -0�2 k Existing Pump Station Location *= Existing Force Main 11�y lr t[(/ 11 la dd(� R AV ,f '= .7 • .. io la , (' 1 , ;,., • ` + Existing --` — Pump Station N W -7V EAN t` '� 1 � - 4 1 r► Currently Proposed Location 1. S- I Proposed ¢ `' " j1� ;� ',► Pump Station SA r= Existing Force Main j 1G14 h . a� ► swore ,* `�' `I ^� # Existing ` Pump Station -7V - a _ %I�K -0�2 k Currently Proposed � - Location 7 ��..yy • r Proposedr Pump Station '"firw�� �= Existing Force Main ICI�U17tipAll I 01 Proposed Force Main a Existing Pump Station W _7V S I► - a 14 Project Schedule �---- ------ 0 1 Original Project Schedule I I Planning Construction � Draft EIR Certify EIR � Study Start Complete 1 0 1 1 , , I I 1 1 0 Preliminary Design Start Construction Siting NTP jComplete L-----------------------------------------------------------------------------------------------------J 15 Project Schedule ------------------------------------------------------------------------------------------------------- 0 1 Original Project Schedule 1 I 1 Planning Construction Draft EIR Certify EIR 1 Study Start Complete 0 1 1 0 I I I 0 1 0 1 Preliminary Design Start Construction 1 Siting NTP jComplete 1 0 i-----,—,—,—,---------------.—,-----,---------.—.—.---------------.---------.---------,---------,—,----- I------------------------------------------------------------------------------------------------------I 0 Current Project Schedule I I Planning Draft EIR 1st Draft Construction 1 Study Start REIR Certify EIR Complete 0 0 1 1 1 �� 1 I I I 1 0 Preliminary 2nd Draft Design Construction Design Start I i Siting REIR Restart NTP 0 1 Complete 1 1 • ------------------------------------------------------------------------------------------------ 16 •-- Project Schedule ------------------------------------------------------------------------------------------------------- 0 1 Original Project Schedule 1 I I I Planning Construction 1 Draft EIR I FCertify EIR 1 Study Start Complete 1 1 I 1 i01 I i I I I I I Preliminary Desi n Start I Construction 1 Siting g I NTP j Complete I j i—_—_—_—_—_—_—_—_—_—_—_—_—_—_—_—_—_t _—_—_—_—_—_—_—_—_—_—_—_—_—_—_� ---------------------------------------------- 0 Current Project Schedule I ; I I 1 Planning Draft EIR I 1st Draft I Certify EIR Construction Study Star 1 1 t REIR Complete 1 I I I I I 0 I II t I NI Preliminary 2nd Draft 1 Design Start i Siting REIR Rest I1 TP 0 Complete I 1 •—_-------------------------------- -------------------------------------------------------------- 17 3-year delay to start of design Additmional ZA costs •j '� Change Value Revised Site Location and Force Main Alignment $500,000 Escalation $485,000 CEQA $420,000 Design Efforts on Previous Location $350,000 Property Purchase Support $155,000 Simplified Design Submittals ($120,000) 18 %I�K-.-0�2 k T'nsultant Contract Contingency . . Original Design Contract $7,137,000 $713,700 $7,850,700 Contingency Increase Request $1,784,250 $1,784,250 C' Recommendation • Approve a contingency increase of $ 1 ,784,250 (25%) to the Professional Design Services Agreement with Arcadis U .S., Inc. for Bay Bridge Pump Station Replacement, Project No. 5-67, for a total contingency of $2,497,950 (35%).