Southerly First Stage Final Settling Improvements (SFSS-1)

Transcription

1 Southerly First Stage Final Settling Improvements (SFSS-1) May 30,

2 First Stage Final Settling Facilities 2

3 Project Objectives Evaluation and replacement of existing equipment Construct SFP OPT1 settling tank Maximize treatment effectiveness Improve hydraulic flow splitting Provide scum removal Install FST Nos ground water dewatering system 3

4 Project Description EVALUATION ONLY items include: Structural and architectural evaluation for the settling tanks, Operating C Building and three Access Buildings Evaluate the location for the new SFP OPT1 settling tank Evaluate FST Nos ground water dewatering system Evaluate number of FST Nos RAS pumps Evaluate settling tank and influent channel hydraulics Evaluate FST Nos. 1-6 collector mechanisms replacement Evaluate FST Nos. 1-6 trough maintenance improvement Evaluate FST Nos. 1-6 influent pipes for grease build-up 4

5 Project Description FST Nos. 1-6 ONLY items include: Replacement of RAS pumps 1-9, instruments, controls and seal water stations Rehabilitate t influent sluice gates and replace manual operators with motorized actuators and DeviceNet connection Install settling tank scum collection system and pump station Replace settling tank FRP weir plates Replace NPW yard piping and post hydrants 5

6 Project Description FST Nos ONLY items include: Replacement of RAS pumps 10-21, instruments, controls and seal water stations Rehabilitate t influent sluice gates and replace existing operators with motorized actuators and DeviceNet connection Replace settling tank traveling bridges with chain and flight collectors and cross collectors Install settling tank scum collection system and pump station Replacement of effluent troughs and weirs Demolish exiting RAS troughs 6

7 Project Description Operating C Gallery Building items include: Inspect bridge crane and install motorized trolleys Rehabilitate channel aeration blowers Rehabilitate/replace t l HVAC, electrical l instrumentation t ti equipment Replace two drain pumps and controls Replacement of floor sump pumps Architectural rehabilitation to building walls, doors & windows 7

8 Project Description FST Nos Access Buildings (3) items include for each: Rehabilitate/replace HVAC, electrical instrumentation equipment Architectural t rehabilitation ti to building walls, roofs, doors and windows 8

9 FST No. 3 FST No. 3 FST Nos.1-6 Influent Sluice Gates FST No. 5 Effluent Troughs 9

10 FST Nos. 1-6 RAS Pumps FST Nos. 1-6 Drain Pumps FST Nos. 1-6 RAS Pump Motor and VFD Operating C Gallery Building 10

11 FST Nos. 1-6 FST No. 6 and Operating C Gallery Building Channel Aeration Blower 11

12 FST No. 9 FST No. 7 FST No. 7 12

13 FST Nos RAS Pumps Tunnel No. 14 Sump Pumps SFP Proposed OPT1 Settling Tank Location 13

14 FST Nos Influent Sluice Gates FST No. 7 Interior Wall Pressure Relief Valve FST No. 7 Exterior Wall Pressure Relief Valve 14

15 North Access Building East Access Building West Access Building 15

16 Scope of Services - Task Breakdown Task 1 - Pre-Design Task 2 - Design Task 3 - Bidding Task 4 Construction (CA/RE) Task 5 - Closeout Task 6 - Additional Services ( VE Allowance) 16

17 Task 1 - Pre-Design Project Management Plan Basis of Design Report Schedule Cost Estimates Risk Analysis Alternative FST Nos Ground Water Dewatering Method Evaluate Existing Information on ShareFile Site Constructability Work Shop No. 1 17

18 Task 2 Design Deliverables at 30%, 60%, 90%, 100% QA/QC Reports Cost Estimates & MBE/WBE Analyses Value Engineering Design Review Meetings Constructability Workshop No. 2 18

19 Schedule (after NTP) Initial Basis of Design Report 1 month Design Completion 12 months Advertise for Bids 13 months Construction NTP 16 months Construction Completion 55 months Project Closeout 67 months 19

20 Tentative Project Schedule July 11, Proposals due (4:30pm) July 31, Interviews (if necessary) August 24, Negotiations Complete Sept. 20, Board Authorization to Award Sept. 21, Design Notice To Proceed 20

21 MBE/WBE/SBE Goal and Local Participation Minority, Women and Small Business Enterprises = 20% Provide Local Participation Information 21

22 *** Deadline for Questions is: Thursday, July 5, 2012 Harry Shaposka, P.E. Phone: , Ext Fax:

23 Questions? 23