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HomeMy WebLinkAboutItem 09 PPP 07-01-2020 Ops Comm_P1-105 Bar Screen Sole Source MEN 0000 Sole Source for Bar Screens EM- ME Headworks Rehabilitation ME 0 ■ . - ` Project No. P1 -105 No Ewa Kathy Millea, Director of Engineering ■ ■ ® ® ■ . Operations Committee July 1 , 2020 4oJNIN SANI TAT Oy � � O m = 9 _ Q f 90 �2 ■ ■ ■ ■ FcrTNC THE EHJ\Po�� P�il C � . . / . . z . < . � © \ . ■ ■ ■ �: © AL � \ e - . . . � � ■ 2 : - \ 1VFW Headworks Rehabilitation at Plant No . 1 7F11 lie AnewSteenn, WefbetU Steve on Construction Cost: $293 million �l F lectr"• Advertise for Bids: Sept 2020 5 0 Construction Duration: 6.5 years t�j. 3°Eep GFVG � tJ" 4�:' tiaJ 9s0 9�0 �� LFf G rw'�°ry Twwl l 44y<` vow I 8.11d oy`on � VLF New w.nw 1. ❑ Rehab of Existing 9 J Headworks Rehabilitation at Plant No . 1 7F11 Qiii ; Bar screens Construction Cost: $293 million Sere FnEwsan bn SWlon Wybwu Sup owx / 8lvtgn i� d° 3 ie�nI Advertise for Bids: Sept 2020 A'F � "kal` 4 hti s 5 0 Construction Duration: 6.5 years 3°Eep C41 9s0 gdo �� LFf G d''�dry TwwIS vow a Smmmy�on a a�uoi�ao (� � VLF New w.nw L. ❑ Rehab of Existing 9 4 ! 1 14 li cn r ; A Existing Bar Screens c 1------------1 5/g"Spacing i 1---------___1 1"Spacing + •......... ......... 1-- 1 I 1 I 1 1 No.1 j N-2 : No.3 : 1 No.3 I : 1 1 Bypaaa I_ 1 Channel I Bar Screen Building V I 1 n 1 ! r Screen B a Evaluation �. Extensive studies performed: • Type of screening mechanisms • Bar screen spacing ®; Will, • Hydraulic capacity l fjq Pilot testing of 5/8-inch screen �III��II�N� ;II for Plant No. 2 Headworks project Existing Climber Technology by Suez WTS x>, i x.: i xb:e i i rw.e i x., i •as.� � x..s • i se.e Evaluation Results . ...... 14, Refurbish 4 existing bar screens 5/8"Spacing I i------------i Add 2 new bar screens .......................... I"Spacing Keep climber screens All bar screens to have 5/8" spacing • Better removal • Reliability • Hydraulic Capacity • Fit within existing structure 8 z ,ems ^ �Sole Source Justification • $2 million lower equipment cost to rehab vs. replace 4 bar screens • Only SUEZ WTS can supply parts and material to refurbish existing bar screens • All bar screens would be the same design • $3.8 million pricing commitment from supplier. Verified as reasonable based on pricing for similar installations. 1 Existing Climber Technology by Suez WTS g Recommended M Adopt Resolution No. OCSD 20-XX entitled , "A Resolution of the Board of Directors of the Orange County Sanitation District, making findings pursuant to Public Contracts Code Section 3400 in support of the sole source specification of SUEZ Water Technologies & Solutions for refurbishing four existing bar screens and for furnishing two new bar screens for Headworks Rehabilitation at Plant No. 1 , Project No. P1 - 10557 . oNsv SFHRq, O H O O W S C HC THE EMV\POi