21128.10_Scope of Work.pdf

METER MODIFICATIONS

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Document No.: 21128.10-RFP

Request For Proposal Revision (By): E (RRG)

Date: 12/23/2021

Prepared by Cornerstone Energy Services Inc.

38 Resnik Road, Suite 101, Plymouth, MA 02360

1. Background

Middleborough Gas and Electric Department, henceforth referred to as “Owner”, or abbreviated, “MGED” and “Middleborough”, owns and operates an existing meter which services the Ocean Spray campus in Middleborough, MA. This Request for Proposal (“RFP”) is for construction services to perform modifications to the assembly.

MGED has contracted Cornerstone Energy Services, Inc. (“Cornerstone”), to provide Engineering and Procurement services for this project.

Bidding and the award of a contract shall be conducted in full compliance with Chapter 30, Section 39M, of the Massachusetts General Laws, inclusive as last revised, with such award made to the lowest responsible and eligible bidder.

2. Description of Services/Scope of Work

The services requested in this Request for Proposal are for construction, install, and commissioning/tie-in support of new piping and equipment at the meter site as shown in the attached Issued for Bid Package. IFC Package will be provided upon project award. The Contractor shall be responsible for the construction and construction management of the installation of the fabricated assemblies. The Contractor shall perform all work indicated on the referenced drawings, within this scope of work, and in accordance with identified specifications.

Supply of Materials and Equipment

MGED shall furnish the mechanical bill of material defined in the project drawing set (pipe, valves, fittings, bolts, nuts and gaskets). Stainless tubing materials are the responsibility of the Contractor (see Piping section). Contractor shall be responsible for verifying that delivered equipment complies with the provided material specifications and is in the appropriate quantities.

All materials purchased by MGED will be delivered and stored at 2 Vine St, Middleborough, MA 02346. Contractor is responsible for transporting materials from this location to their fabrication site and ultimately to the project site for final installation.

Contractor shall be responsible for providing concrete, structural steel, consumables, and all other materials required to inspect, pressure test, and tie-in the newly fabricated assemblies including but not limited to; pressure testing blinds, small valves for testing, sufficient gaskets for assembly and disassembly, hoses, testing equipment, welding rod and supplies, paint, blasting media, mil gauges, tapping equipment, consumables, PPE, concrete, reinforcement, structural steel, any fuel required and all other construction-related material.

Civil

Pipe and steel supports specified in the project drawing set will require excavations to facilitate installation of concrete-filled sonotube foundations. Due to the presence of existing utilities in the area of installation, contractor shall use hydrovac methods for excavation and submit one-call ticket(s).

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Document No.: 21128.10-RFP

Request For Proposal

Structural

The structural work on this project, consists of pipe supports mounted to (or embedded in) sonotube foundations and a sonotube foundation with a structural beam required to brace the 6-inch stack on a relief valve. Contractor shall supply all material on the pipe support BOM and labor to complete all work associated with this install including weatherhead cap. Contractor will furnish the pipe support (steel) as shown drawings and complete the installation. Contractor is responsible for all structural steel, anchoring and grout materials required.

Mechanical and Piping

The Contractor will be provided the piping and equipment as identified on the Mechanical Bill of Materials. Contractor is responsible for all labor to fabricate, install, test, coat, and properly support all the piping and mechanical systems in accordance with drawings. Contractor shall provide NDE services on 100% of welds (buttwelds and fillet welds) and must submit the name of the NDE company intended for use in their proposal. Welding and NDE shall be supervised by a Certified Welding Inspector. A heat and weld map shall be produced to provide complete, verifiable, and traceable records.

Pipe coating shall be a two or three-part epoxy coating, with the appropriate anchor profile for the system. Contractor shall submit their proposed system prior to use. Pipe coating color shall be a medium grey.

Pressure testing shall be in accordance with CFR 49 Part 192. Hydrostatic or pneumatic is acceptable. Cornerstone will provide a test letter format indicating proposed test procedures.

Regulators will require stainless steel sense lines to be reconfigured. All stainless-steel tubing materials, fittings and adapters are to be provided and installed by the Contractor using Swagelok brand components and Certificates of Compliance submitted to the Owner prior to installation.

Minimum working pressure shall be 275 psi.

After all work is completed, Contractor shall ensure all material used for construction is removed and the site is left in a clean manner equal to or better than found. Proper disposal of the pipe and material removed from the existing meter assembly shall be the responsibility of the Contractor.

Electrical and Instrumentation

There is no electrical or instrumentation scope on this project.

Commissioning

Purging, tie-in and commissioning shall be performed by the Contractor under direct supervision of MGED personnel. Contractor shall be prepared to support leaks, remedial work, general support, etc. as needed. Contractor is also responsible for providing any materials needed to conduct the commissioning tasks including nitrogen, gas detectors, temporary fittings, hoses, etc.

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Document No.: 21128.10-RFP

Request For Proposal

The Contractor has a paramount responsibility to conduct all aspects of this work in a safe manner.

This responsibility includes, but is not limited to, compliance with all safety regulations, adherence to their own safety manual, and maintenance of a safety culture designed to reduce risk to workers and encourage corrective actions wherever needed to maintain a safe and healthy workplace.

3. Communication

All communications shall be sent to MGED and Cornerstone. Cornerstone will coordinate with MGED to review and respond as needed. These shall include, but not limited to, the following –

Requests for information Change orders Schedules & Progress Submittals Turnover items Punchlist and project closeout

4. References/Specifications

The Contractor shall construct spools in accordance with federal standards (49 CFR Part 192), API 1104 and the defined NGA Covered Tasks list.

5. Documentation The Contractor shall submit datasheets on all equipment with full specifications and part numbers prior to ordering for approval.

The following shall be submitted prior to the commencement of any work:

o Operator Qualifications (for tie-in tasks) (NGA) o Welder Procedure Qualifications (WPQs) with continuity as needed o Weld Procedure Specifications (WPSs) with associated PQRs o Mill Test Reports (MTRs) for any materials purchased by the contractor o NDE Procedures o NDE Technician Qualifications

The following shall be submitted in Job Book format prior to delivering fabricated assemblies to the project location o NDE Densitometer Readings o NDE Procedure Shots o NDE Reports o Xray films o Weld Map o Heat Map (optional if heat map is included in the above) o Weld Log (ties welder log, welding material, weld map, heat map and NDE reports together into traceable document) o Torque Map

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Document No.: 21128.10-RFP

Request For Proposal o Equipment Calibration Reports Torque Wrenches Pressure Testing Equipment o Pressure Testing Charts (Pressure, Ambient Temp, Pipe Temp) o Pressure Testing Records (Procedure, Log, Test plan) o Coating Reports (Anchor Profile, Mils Applied, DFT) (if applicable)

The following shall be submitted no later than 30 days following the installation of the spools o Equipment Manuals o As built redlines to all drawings with initials.

6. Other

The following are tasks that all bidders shall include to assist in bid completeness and equivalency.

Contractor shall assume one full week of commissioning, purge, and tie-in activities, 8-hour days.

All fabrication is to occur off-site, with the exception of field welds to ensure fit up.

Contractor shall participate in a weekly status/coordination conference call. Assume 4 weeks.

Contractor shall provide weekly updates of progress and schedule.

Photos shall be emailed for significant activities or at the request of MGED.

All pricing shall be in accordance with the provided schedule of prevailing wages.

7. Change Orders

Contractor shall notify the Owner’s project team within 48 hours, via email of potential change orders.

The notification shall include a rough order of magnitude estimate of the cost and schedule delay.

8. Schedule

Sealed bids shall be submitted to the Middleborough Gas & Electric Department 32 South Main Street, Middleborough, Massachusetts 02346, ATT: Ali Golz, no later than 11 AM, Wednesday January 19, 2022. Bids will be publicly opened and read via ZOOM meeting. Invitations to join the ZOOM meeting will be sent out the day before to all prospective bidders.

Bid due date – 1/19/21 at 11:00 AM.

Notice of Intent – 1/11/21. All prospective bidders must notify Ali Golz, Executive/Human

Resources Administrator, Middleborough Gas & Electric Department, bids@mged.com, of your intention to submit a bid by Tuesday, January 11.

Questions may be submitted through 1/14/21 to AGolz@mged.com . Responses will be provided to all bidders.

Facility construction must be substantially complete by – 3/25/21

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Document No.: 21128.10-RFP

Request For Proposal

9. Deliverables with Proposal

Each bidder shall furnish the documents outlined below with the proposal in a sealed package. Proposed pricing divided into proposed Milestone payments (if applicable)

Proposed detailed schedule including start date and completion date Resumes of key staff.

Identification of proposed subcontractors Requested changes to the standard construction contract provided with this RFP Exceptions Selected project experience similar in nature to this Scope of Work.

Bid deposit equal to 5% of the contract value and 50% payment bond in accordance with M.G.L.

c. 30, §39M

10. Other

All drawings, specifications, technical and commercial information provided by Owner shall be treated as confidential. The Contractor agrees not to permit any of such information to be shown or disclosed to any third parties nor to anyone other than those individuals who specifically require such information for this process.

11. Attachments

Attachment #1: Issue for Bid Drawing Set Attachment #2: Prevailing Wage Schedule Attachment #3: General Contract Template with MGED Attachment #4: OQ Task List Attachment #5: Construction Specification