RE: ADDENDUM NO. 1 FOR Treatment Chino Basin VOC Plant ...May 23, 2016 · Treatment – Chino Basin VOC Plant, Project No. 422-83020 ... each Design/Builder is required to submit

May 23, 2016

TO: All Bidders

RE: ADDENDUM NO. 1 FOR Treatment – Chino Basin VOC Plant, Project No. 422-

83020

The attached Addendum (9 pages) revises the Contract Documents:

Water Mains – Phillips Boulevard-Dudley Street, Project No. 595-95078

Please incorporate the revision in your proposal document. Failure to acknowledge receipt of

this Addendum may result in rejection of your bid.

Sincerely,

Timotheus Hampton, PE

Senior Water Resources Engineer

Attachments

cc: File

Page 1 of 18

ADDENDUM NO. 1

CITY OF POMONA

PUBLIC WORKS DEPARTMENT

Treatment – Chino Basin VOC Plant, Project No. 422-83020

The following change shall be made part of the Contract Document for:

Treatment – Chino Basin VOC Plant, Project No. 422-83020

The Bidder shall acknowledge the Confirmation of Receipt of Addendum No. 1 for the subject project.

ANSWERS TO VERBAL QUESTIONS AT THE JOB WALK AND SUBMITTED QUESTIONS:

1. Does City require installation of a by-pass valves and piping for each treatment plant?

a. Yes

2. How does the City plan to backwash the vessels?

a. The vessels will be backwashed using a Zero Water Discharge Flushing Truck as

manufactured by NO-DES, Inc. or equivalent.

3. Does the City require (a) 2 x 20k lb vessels, (b) 4 x 20k lb vessels (c) 2 x 40k lb vessels or (d)

something else?

a. Each of the three (3) treatment plants shall be requirement to have 2 x 20k lb vessels

Note: Section 4.2.2 includes a Proposed Technical Specification (20%) for each treatment plant;

each Design/Builder is required to submit a Final Specification (100%) incorporated into Section

2: Technical Approach.

4. Does the City require the Design Builder to indicate the manufacturers and model numbers of the

vessels and carbon include in each proposals?

a. The Price Proposal has been revised as attached to include this information.

5. What is the depth of piping for each treatment plant connection point?

a. Three (3) to Five (5) feet.

REVISIONS TO THE REQUEST FOR PROPOSALS:

1. Global Change: all referenced to Contract or Supplier in the RFP shall be Change to Design/Builder

2. Section 2.1.3 Scope of Work in Contract is revised as attached.

3. Section 4.2.1 Section 1: Transmittal and Company Team Qualifications is revised as attached.

4. Section 4.2.2.2.2 33 12 43 GAC Adsorption System of the RFP is revised as attached.

5. Section 5.3 Evaluation and Ranking of Proposals is revised as attached.

6. The Price Proposal is revised as attached

7. The attached RELEVANT PROJECT EXPERIENCE PROPOSAL FORM is added to be compiled and

return.

8. DPH Policy Memo is attached as referenced in the design criteria.

******END ADDENDUM NO. 1 ******

City of Pomona, California May 2016 VOC Plant Design-Build RFP

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2.1.3 SCOPE OF WORK IN CONTRACT

The successful Design/Builder will be expected to provide the City with integrated design-build services to construct three (3) VOC (LGAC) Wellhead Treatment Plants which meets the requirements established in this RFP and in accordance with the Contract Documents. Those services will include, but are not limited to, the following:

Design

o Conduct an Aqueous Phase Isotherm Test in accordance with ASTM D3860 - 98(2014

o Design of three (3) VOC (LGAC) Wellhead Treatment Plants, associated pipelines and valving, appurtenances and interconnections with existing systems, complete with civil site work, structural components, electrical and instrumentation systems, and SCADA integration services.

o Compliance with all contractually required design reviews and approvals o Assist City with obtaining any final regulatory permit approvals for facilities

operations from the State Water Resources Control Board/Division of Drinking Water Programs

o Development of Draft Operations Plan Construction

o Obtain all construction-related permits associated with construction, including but not limited to encroachment, and grading permits.

o Construction of Plant, associated pipelines, and appurtenances complete with electrical and instrumentation systems integrated with City’s existing SCADA system

o Compliance with all City and industry construction standards o Provide 3rd party review of materials testing for excavations over three (3) feet in

depth o Lining inspection o Compliance with all State labor and wage requirements o Hydraulic testing of the system o Connection of the system to existing infrastructure o Disinfection of system in accordance with AWWA C652, latest edition, Method 2

or 3 prior to initial fill of carbon o Carbon loading, start-up and troubleshooting o Finalize Operation Plan and provide all associated operation manuals o Provide operation and maintenance training to City Staff o Hiring, oversight and responsibility for all subcontractors and suppliers of products

to be used on the project Completion of all required equipment and facilities acceptance tests Vessel Warranty Resin Warranties – Carbon (LGAC):

o Breakthrough Time – “Estimated prior to breakthrough” o Effluent Water Quality o Design Effluent Flow Rate

The City shall operate and maintain the facilities after completion of construction and successful start-up.


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(j) To receive questions concerning this RFP from Proposers and to provide such questions, and the City’s responses, to all Proposers.

(k) To visit and examine any of the facilities referenced in the Proposal and others owned, designed, or built by the Proposer to observe and inspect such facilities.

(l) To cancel this RFP in whole or in part with or without substitution of another RFP if such cancellation is determined to be in the best interest of the City.

(m) To take any action affecting the RFP process or the Project that would be in the best interests of the City.

(n) After award of the Contract to the Design/Builder, make public any and all documents associated with the Project, including documents submitted to the City by Proposers.

4.0 PROPOSAL REQUIREMENTS

4.1 PROPOSAL FORMAT The Proposer shall provide information in accordance with the format requirements set forth in this section. Proposal information shall be provided in the following sections:

Section 1: Transmittal Letter and Company/Team Qualifications

Section 2: Technical Approach

Section 3: Price Proposal

Proposers shall submit the Proposal in sealed boxes or envelopes. All three sections shall be combined into a single bound document. It is desired that no bound document exceed three inches in thickness.

The maximum number of pages that the Proposal shall contain is 30 (excluding Proposal Forms and attachments).

4.2 PROPOSAL DEADLINE AND ADDRESS FOR SUBMITTAL Proposals shall be submitted by the date and time indicated by Section 3.2. Proposals received after this deadline may not be considered. Sealed Proposals shall be addressed and submitted to:

City of Pomona Purchasing Division P.O. Box 660 505 South Garey Avenue Pomona, CA 91769 Attn: Keri Hinojos

4.2.1 SECTION 1: TRANSMITTAL LETTER AND COMPANY/TEAM QUALIFICATIONS

This section of the Proposal shall include the Transmittal Letter and Proposer team information, which shall include a fully completed.RELEVANT PROJECT EXPERIENCE PROPOSAL FORM for three relevant and recent projects.


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4.2.1.1 Proposal Bond

Each Proposer shall provide Proposal security in the form of a Proposal Bond as provided as Attachment B.

4.2.2 SECTION 2: TECHNICAL APPROACH 4.2.2.1 Basis of Design Report This Basis of Design Report shall clearly and precisely describe how the DESIGN BUILDERCONTRACTOR’S granular activated carbon adsorption system meets the project performance requirements, and shall include but not be limited to: Design assumption and criteria

Vessel structural requirements System Capacity Seismic requirements System design and operating pressure Pressure drop

Modes of operation Fabrication drawings Materials & finishes Fabrication quality control procedures Project Schedule 4.2.2.2 Proposed Treatment Plant Specifications

4.2.2.2.1 01 79 13 - Acceptance Testing Procedures and Standards This section shall describe the DESIGN BUILDERCONTRACTOR’S means and methods to provide all labor, materials, services, equipment, and incidentals required for acceptance testing to demonstrate: That structures, systems, and equipment tested comply with all functional and performance

requirements; Demonstrate that facility is Substantially Complete by passing Acceptance; Establish baseline operating conditions for OWNER’s use in establishing standard operating

procedures and preventative maintenance programs.

4.2.2.2.2 33 12 43 GAC Adsorption System This section shall describe the materials, fabrication, and installation of three (3) GAC Adsorptions systems. One (1) System shall be provided at each of the following well sites: Well 5B, 6 and 16. The Design Builder shall also be responsible for loading the adsorber vessel with activated carbon. PART 1 – GENERAL A. Work to be Included

1. The Design Builder shall be responsible for the design and complete installation up to the connections to the yard piping. The Design Builder shall be responsible for the design, fabrication, delivery, unloading, setting, installation, and start-up of all mechanical


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components, including vessels, manifold piping, valves, instrumentation of the GAC systems

2. The Design Builder shall be responsible for the supply, delivery, and hydraulic loading of Granular Activated Carbon (GAC).

2. 3. A GACAS System shall be as specified herein and shall be comprised of all piping and

valves configured for series, parallel, or vessel isolation flows. The System shall include GAC inlet and outlet piping, and backwash capabilities. The system consists of two (2) adsorbers, with piping, valves, and gauges assembled operation. Each adsorber shall be equipped with an underdrain capable of maximum flow rate of 1100 GPM.

Each vessel:

Vessel Diameter Minimum (feet) 10.0Side Shell Height Minimum (feet) 6.0Vessel Volume 20,000 lbs.Material ASTM A516 grade 70 Interior Surface Prep SSPC-SP5 Interior Surface Coating Plasguard 4110 Exterior Surface Prep SSPC SP-6 Exterior Surface Primer Prime Coat: Carboline 890

Carboline 133 Polyurethane Color Tan (Carboline 9225)

B. Submittals a. Drawings b. Samples c. Test Reports d. Operation and Maintenance Manual

C. Field Samples D. Deliver, Storage, and Handling E. Guarantee The Design Builder shall guarantee all equipment to be free of defects in material and workmanship for a period of 12 months from date of final acceptance. F. Design Criteria

1. Seismic – The GACAS shall be designed to meet current UBC Seismic IV requirements or as required by specific location.

2. GAC – Adsorber vessel GAC bed expansion capacity shall be stated of the for backwash

operations.

3. Pressure Drop – Pressure drop across the system shall be stated (including system piping, underdrains, and GAC) when operated at system capacity.


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4. System Design and Operating Pressure shall be stated.

5. Minimum empty-bed contact time (EBCT) for each vessel shall be stated.

4.6. Meet all requirements as specified DHS Policy Memo 97-002

G. Modes of Operation

1. Carbon Adsorption – The GACAS shall be designed for downward flow.

2. Carbon Backwashing.

3. GAC Removal and Replacement – System shall be designed and constructed to allow the adsorber vessel to be isolated for removal of spent GAC. Removal shall be accomplished by pressurizing the vessel with compressed air to displace the spent GAC into an empty shipping container or trailer. The bottom of the adsorber vessel and GAC slurry piping shall be designed to allow complete removal of spent GAC from the adsorber vessel.

PART 2 – MATERIALS A. Manufacturers B. Adsorber Vessels B. Vessels shall be designed, constructed, tested, certified, and stamped in accordance with the most recent revision of the ASME Boiler and Pressure Vessel Code, Section VIII. The design pressure rating of the vessels shall be 125 psi at 150 deg. F and shall be constructed of ASTM A516 Grade 70 and ASME SA516 Grade 70 A516 Grade 70 pressure vessel quality carbon steel plate. Vessels shall be provided with all necessary support, baffles, and accessories required to support and contain the GAC. The vessel, support structure, and all other shop assembled appurtenances of the system module shall be reinforced and supported with structural members as required such that the assembled components can be transported and off-loaded without distortion. The components shall be provided with lifting lugs to enable setting the equipment on a concrete foundation with a suitable capacity crane. System supports shall be designed and drilled for installation and anchoring to concrete slab. Structural components shall conform to ASTM A 36 specifications. A minimum of two accessways shall be provided on each vessel. One accessway shall be located on the top head. The second manway shall be located on the side shell near the bottom but above the underdrain system. The manways shall be sized to accommodate the repair and/or removal of the largest single internal component. Removable davits or hinge system shall be provided to support the manway cover when opened or removed from the vessel. Sample taps shall be provided along the vertical shell of the adsorber vessel. Taps shall consist of 2-inch flanged nozzles with ¾-inch-diameter Type 316L stainless steel probes extending 1 foot inside the vessels. At the end of the probes shall be screens or slots designed to allow withdrawal of water and retainage of carbon. The probes shall be removable from outside the vessel. In each


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vessel there shall be three taps located at 25, 50, and 75 percent of the carbon bed depth. Sample outlets, without probes, shall be located in the inlet and outlet piping of each vessel. C. Process and Utility Piping Pipe work shall be suspended and supported in such a manner as to prevent sagging or overstressing of pipe and connections and, furthermore, shall be supported so that no item of the piping system will transfer any load or stress to any equipment. Pipe and fittings shall be assembled so there will be no distortion or springing of the pipelines. Flanges, unions, flexible couplings, and other connections shall come together at the proper orientation. The fit shall not be made by springing any piping nor shall orientation alignment be corrected by taking up on any flange bolts. Flange bolts, union halves, flexible connectors, etc., shall slip freely into place. If the proper fit is not obtained, the piping shall be altered to fit. Piping shall be provided for raw and treated water, spent and fresh GAC slurry, vents, pressure relief, compressed air, potable water, backwash water, drains and sample and instrument tape. Piping assemblies with valves fittings and vessels shall be pre-assembled and pressure tested at at the fabrication site to assure fit up and system integrity. C. D. Fittings D. E. Miscellaneous F. Painting and Coating of Vessel Exteriors, Piping, Valves, and Metal F. G. Granular Activated Carbon

a. The GAC product designated by the Design-Builder as the material to be supplied for this bid shall have three (3) years of history of use in municipal drinking water facilities in California with a minimum of five (5) installations. Bidder shall submit references per the attached Reference List form.

b. The GAC shall comply with AWWA B604, latest edition. c. The GAC shall conform to the requirements of the NSF/ANSI 61 Drinking Water

System Components – Health Effects standard. d. The GAC shall comply with the requirements for activated carbon as defined by the

Food Chemical Codex (FCC) latest edition published by the U.S. Pharmacopeia. e. The GAC must be a 100% reagglomerated bituminous coal based product, sized to a

granular form prior to thermal activation. The following materials shall not be accepted if submitted in lieu of the required product, nor may any amount of these materials be blended into a mix with the required reagglomerated, bituminous coal-based product:

i. Broken pellets, regardless of base material ii. Direct activated GAC, regardless of base material

iii. Lignite-based GAC iv. Peat-based GAC v. Wood-based GAC

vi. Coconut-based GAC vii. Sub-bituminous based GAC

viii. Anthracite based GAC

H. Design/Builder shall indicate the source of coal, carbon manufacturing location, a description of the reagglomeration/thermal process and capacity of the manufacturing facility. The City reserves the right to inspect the GAC manufacturing and thermal processing facility.


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I. The Certificate of Analysis shall certify that the GAC sample shipped to the site is 100% virgin carbon and in full compliance with the specifications stated herein. Failure to comply shall be considered non–responsive and the GAC shall be rejected.

J. The successful bidder must supply a signed Affidavit of Compliance stating that the GAC they are supplying is: a. 100% virgin, with no reactivated carbon content whatsoever, and b. 100% bituminous coal-based reagglomerated material

K. Product as packaged (confirmed by pre-shipment sample testing) shall meet the following specifications:

G. H.L. Installation of GAC

4.2.3 SECTION 3: PRICE PROPOSAL

Section 3 of the Proposal (the Price Proposal) shall consist only of Proposal Form 3.

5.0 PROPOSAL EVALUATION AND CONTRACT AWARD

5.1 CONFORMANCE REVIEW Proposals will first be individually evaluated for conformance with the specific requirements set forth in this section. Any Proposal that the City determines is incomplete in any material respect may be deemed non-responsive and may be rejected in its entirety by the City. Materially responsive Proposals will include the following:

Delivery to the correct address by the specified time

Complete Proposal Forms and Attachments

Requisite Proposal Bond

Proposals deemed responsive to these requirements will be evaluated as described in the following sections.

Analysis Value Test Method Type Coconut Iodine Number (mg/g), min. 1000 ASTM D4607 Moisture, weight %, max. 2 ASTM D2867 Effective size, mm 0.55 – 0.85 ASTM D2862 Uniformity Coefficient, max. 2.0 ASTM D2862 Abrasion No., min. 75 AWWA B604 Hardness No. 90 ASTM D3902-79 Trace Capacity Number, (mg/cc), min. 10 TM-79, TM-85

(converted to TCN) Screen Size (US Sieve), weight %

* Larger than No. 12, max. 5 ASTM D2862 * Smaller than No. 40, max. 4 ASTM D2862

Ash, Max. 10% ASTM D2866


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Table 5-2 Evaluation Criteria Points

Technical Approach 20

Proposer Team Qualifications 1020

Price 7060

Total 100

5.3.1 TECHNICAL APPROACH

The Technical approach will be evaluated on the Proposer’s ability to meet the performance requirements and provide the Work described in the RFP. The Technical Evaluation Criteria include the following sub criteria presented in Table 5-3.

TABLE 5-3

TECHNICAL APPROACH CRITERIA

Subcriteria Evaluation Factors

1. Plant Design/Build

Technical soundness of design and construction activities, including quality control, testing and Acceptance Testing.

Adsorber vessel GAC bed expansion capacity Pressure Drop System Design and Operating Pressure EBCT Quality of Materials used; process and utility piping, fittings and process

valves Approach to quality control

2. Project Schedule

Demonstrated understanding of the activities and sequencing necessary to complete the Project.

5.3.2 PROPOSER TEAM QUALIFICATIONS

Under these criteria, Proposers will be evaluated based upon their experience and qualifications in providing services similar to the proposed Work. The Proposer Qualifications criteria include the sub-criteria presented in Table 5-4.

TABLE 5-4

QUALIFICATIONS CRITERIA

Subcriteria Evaluation Factors

1. Team Structure, Management and Working History

Soundness of team and management structure Previous working relationships of the Proposer’s team members, if

any

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RELEVANT PROJECT EXPERIENCE PROPOSAL FORM

Project Name: Reference Project No.:�

Type of Project: Design Construction Other: ________________

_________________________ Design/Build Construction

Management

Proposer’s % of work1:

________ % Design ________ % Construction ___ % Other: __________________

___ % Other: __________________ ________ % Construction Management Specific Role of each Proposer Team Member2:

A. Applicability and relevance of referenced project to the Treatment – Chino Basin VOC Plant, Project No. 422-83020:

B. Proposal submittal team participants (personnel and/or firms):

C. Team structure, management description:

D. Customer and owner:

E. Current status of project (design, construction, or operations phase) and number of years of operation:

F. Description of systems and processes, including size and capacity:

1 Indicate total percentage of work performed within each project component. For example, if Proposer performed 50% of the design work, indicate 50%. 2 Indicate clearly the role of the Proposer team member on the project. If another entity shared in this role, please describe the division of work performed. Be specific if Proposer team member’s role was applicable to the entire project or simply a portion. If a portion, describe that portion. If a subcontractor or other entity not the Proposer’s team member actually performed the work for which the Proposer was responsible, please indicate so.