7N26QA160 LOP DGA Amendment 2.pdf

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers is extended. is not extended.

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing items 8 and 15, and returning copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER.

If by virtue of this amendment you desire to change an offer already submitted, such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print) 16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

16C. DATE SIGNED

Previous edition unusable STANDARD FORM 30 (REV. 11/2016) Prescribed by GSA FAR (48 CFR) 53.243

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE PAGE OF PAGES

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

6. ISSUED BY CODE 7. ADMINISTERED BY (If other than Item 6) CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X) 9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

CODE FACILITY CODE

I I I

I I

I

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

Block 14 (Description of Amendment/Modification):

The purpose of this amendment is to revise the SOW in response to a bidder inquiry. Additions highlighted in orange, deletions not shown.

Summary of SOW changes:

Section 3.1 ONLINE DGA MONITORS The first and third bullet points in the list following the table were merged and revised for clarity.

The ASTM standard was removed and replaced with the specific methods that are acceptable.

The Second bullet point in the second list following the table was revised to delete the requirement for a day/night display.

The fifth bullet point in the second list following the table was revised to delete "RTU".

Section 3.2 INSTALLATION SUPPLIES Deleted the fifth bullet point.

All other terms and conditions remain unchanged.

Description/Specifications/Statement of Work

Miscellaneous text in this section has been modified from:

Lookout Point Powerplant

Lookout Point DGA supply and incidental install

Statement of Work

Technical submittals to be included with quote package: Commercial product data for the online DGA monitor that demonstrates it meets or exceeds all of the requirements in this document.

Include shipping costs in the quoted price of each item. FOB Destination to Lookout Point Powerplant at the following address.

W9127N26QA1600002

U.S. Army Corps of Engineers Willamette Valley Project

40386 W Boundary Road, Lowell, OR 97452

1. Background

Lookout Point Powerplant has three main unit generator step-up transformers (GSUs) that all date from the mid- 1950s. None of these transformers currently has online Dissolved Gas Analysis (DGA) monitoring. This document outlines the purchase and installation of 3 Online DGA systems, one for each GSU transformer.

2. Scope

Furnish and install 3 online DGA monitoring systems including all installation materials.

Provide an on-site field engineer or technician to perform the installation and lead the functional testing, system verification, and acceptance activities.

Provide onsite training for the DGA monitoring system.

Provide an operation and maintenance (O&M) manual in hardcopy and PDF format for the DGA System.

3. Key Characteristics

3.1 Online DGA Monitors

Provide complete, commercially available online DGA monitoring systems that perform the following functions.

Measures and records(or calculates)

Total dissolved combustible gas (TDCG)

Total hydrocarbon (THC)

Oil temperature

Moisture-in-oil

Ambient temperature

Nine gasses as listed in the table below

Gas Accuracy Minimum Range

Hydrogen +/- 5 percent 5-5,000 ppm

Oxygen +/- 5 percent 100-50,000 ppm

Methane +/- 5 percent 2-20,000 ppm

Carbon Monoxide +/- 5 percent 1-40,000 ppm

Carbon Dioxide +/- 5 percent 20-50,000 ppm

Ethylene +/- 5 percent 1-50,000 ppm

Ethane +/- 5 percent 1-50,000 ppm

Acetylene +/- 5 percent 0.5-40,000 ppm

Nitrogen +/- 1 percent5 10,000-100,000 ppm

Automatically performs self-verification and self-calibration of all measured gases.

W9127N26QA1600002

I

Pumps transformer oil continuously from the transformer and returns the oil back into the transformer.

Extracts gas from the oil with a passive membrane system using Method C of ASTM D3612-02 or equivalent such as headspace gas extraction and photo-acoustic spectroscopy (PAS) gas measurement.

Correlates oil temperature and moisture-in-oil with the transformer load and ambient temperature.

Calculated nitrogen is acceptable for the existing nitrogen-pressure oil-preservation system shown on the reference drawing in this solicitation.

The DGA system must have the following features.

Caution and limit alarm set points as well as rate-of-change alarm values remotely from the monitor. Alarm relay contacts operate as either normally-open or normally-closed.

Front panel with day/night display and visual alarm/status lights.

Physical layer interfaces for and Ethernet communications.RS-485

Three 4-20 mA inputs available for connection to external devices.

Modbus RTU and DNP3 protocol support.

A PC based software package, including pertinent software licenses, to provide remote analysis of data without requiring Internet access.

Does not require consumables.

3.2 Installation Supplies

Provide the following supplies for the complete installation of each DGA system.

Adapters for connecting the DGA monitor's manufacturer provided 1/4-inch ball valves to the stainless steel tubing;

Interconnecting cables and leads between the DGA monitor enclosure and the transformer control cabinet, Provide wire with insulation rated for 600V, 90C or better, and class VW-1 or better (all wiring must be low-smoke, zero halogen, and plenum rated);

Rigid or watertight flexible metal conduit for routing cables and leads (Raceways must be galvanized rigid metal conduit or seal tight flex, when allowed by NFPA 70);

Anchor points for routing of all 1/4-inch stainless steel tubing;

W9127N26QA1600002

Transformer load-guide with clamp-on current transformer for sensing load from the secondaries of the winding temperature indicator current transformer;

Ambient temperature sensor;

Moisture-in-oil and oil temperature sensors;

1/4-inch Grade 316 stainless steel oil tubing (0.035 wall thickness) and fittings;

Mounting system including seismic anchors; and

All tools, equipment, and consumables needed for the complete installation.

4. Performance Parameters

4.1. Functional testing, system verification, and acceptance activities

Install the online DGA systems in place at Lookout Point power plant.

Make the interconnection to the transformer tank at valves 19 (2" globe valve, for complete drain and filter with side sampling device) and 20 (3" flanged gate valve used for draining case), as shown on the attached reference drawing.

Installation must follow the manufacturer's recommendations for the product being installed and must be done with quality workmanship using materials that are intended for the purpose they are used for.

All wiring, cable, and conduit installation must be installed following NFPA 70.

Provide power connections to 120 VAC power (provided by the government at the transformer control cabinet) and a separate connection to earth ground. Use 12 AWG stranded wire. Route all power connections through conduit.

An on-site field engineer or technician who is qualified by the DGA manufacturer must perform or oversee the installation.

An on-site field engineer or technician who qualified by the DGA manufacturer must perform the product verification.

Perform product verification according to manufacturer recommendations.

Coordinate with the COR before drilling or installing the DGA monitor's mounting system on the concrete deck to ensure installation avoids embedded systems and rebar.

Provide Operation and Maintenance manuals, 1 hardcopy and 1PDF for all installed equipment.

4.2. Training

Provide 8 hours of training for the online DGA monitor using the manuals and specialized software included with the equipment. The training instructor must be a manufacturer approved instructor. The training must occur before the first installed DGA monitor is commissioned. Include hands-on training of the online DGA monitor.

Perform a step-by-step simulation of the equipment software menus, including the methods of changing the settings and alarms, and downloading the data.

5. Shipment and Delivery

5.1. Packaging and Shipping

The contractor is responsible for packing and shipping the components in a manner that will ensure undamaged and complete arrival to Lookout Point Powerplant.

5.2. Equipment Delivery

All items must be delivered FOB destination to Lookout Point Powerplant. No shipments are allowed other than normal business hours of Monday through Thursday 7:00 a.m. - 3:00 p.m., excluding Federal holidays.

5.3. Outage and Product Verification Schedule

Product verification (functional testing, system verification, and acceptance activities) must be coordinated with the Contracting Officer at least 14 calendar days in advance.

To:

Lookout Point Powerplant

Lookout Point DGA supply and incidental install

Statement of Work

Technical submittals to be included with quote package: Commercial product data for the online DGA monitor that demonstrates it meets or exceeds all of the requirements in this document.

Include shipping costs in the quoted price of each item. FOB Destination to Lookout Point Powerplant at the following address.

U.S. Army Corps of Engineers Willamette Valley Project

40386 W Boundary Road, Lowell, OR 97452

1. Background

Lookout Point Powerplant has three main unit generator step-up transformers (GSUs) that all date from the mid- 1950s. None of these transformers currently has online Dissolved Gas Analysis (DGA) monitoring. This document outlines the purchase and installation of 3 Online DGA systems, one for each GSU transformer.

2. Scope

Furnish and install 3 online DGA monitoring systems including all installation materials.

Provide an on-site field engineer or technician to perform the installation and lead the functional testing, system verification, and acceptance activities.

Provide onsite training for the DGA monitoring system.

Provide an operation and maintenance (O&M) manual in hardcopy and PDF format for the DGA System.

3. Key Characteristics

3.1 Online DGA Monitors

Provide complete, commercially available online DGA monitoring systems that perform the following functions.

Measures and records(or calculates)

Total dissolved combustible gas (TDCG)

Total hydrocarbon (THC)

Oil temperature

Moisture-in-oil

Ambient temperature

Nine gasses as listed in the table below

Gas Accuracy Minimum Range

Hydrogen +/- 5 percent 5-5,000 ppm

Oxygen +/- 5 percent 100-50,000 ppm

Methane +/- 5 percent 2-20,000 ppm

Carbon Monoxide +/- 5 percent 1-40,000 ppm

Carbon Dioxide +/- 5 percent 20-50,000 ppm

Ethylene +/- 5 percent 1-50,000 ppm

Ethane +/- 5 percent 1-50,000 ppm

Acetylene +/- 5 percent 0.5-40,000 ppm

Nitrogen +/- 1 percent5 10,000-100,000 ppm

W9127N26QA1600002

Pumps transformer oil continuously from the transformer and returns the oil back into the transformer.

Extracts gas from the oil with a passive membrane system using for gas analysis and measurement headspace gas extraction and photo-acoustic spectroscopy (PAS) with self-checks or Photo-Acoustic with self-calibration.

Correlates oil temperature and moisture-in-oil with the transformer load and ambient temperature.

Calculated nitrogen is acceptable for the existing nitrogen-pressure oil-preservation system shown on the reference drawing in this solicitation.

The DGA system must have the following features.

Caution and limit alarm set points as well as rate-of-change alarm values remotely from the monitor. Alarm relay contacts operate as either normally-open or normally-closed.

Front panel with visual alarm/status lights.

Physical layer interfaces for and Ethernet communications.RS-485

Three 4-20 mA inputs available for connection to external devices.

Modbus and DNP3 protocol support.

A PC based software package, including pertinent software licenses, to provide remote analysis of data without requiring Internet access.

Does not require consumables.

3.2 Installation Supplies

Provide the following supplies for the complete installation of each DGA system.

Adapters for connecting the DGA monitor's manufacturer provided 1/4-inch ball valves to the stainless steel tubing;

Interconnecting cables and leads between the DGA monitor enclosure and the transformer control cabinet, Provide wire with insulation rated for 600V, 90C or better, and class VW-1 or better (all wiring must be low-smoke, zero halogen, and plenum rated);

Rigid or watertight flexible metal conduit for routing cables and leads (Raceways must be galvanized rigid metal conduit or seal tight flex, when allowed by NFPA 70);

Anchor points for routing of all 1/4-inch stainless steel tubing;

W9127N26QA1600002

Ambient temperature sensor;

Moisture-in-oil and oil temperature sensors;

1/4-inch Grade 316 stainless steel oil tubing (0.035 wall thickness) and fittings;

Mounting system including seismic anchors; and

All tools, equipment, and consumables needed for the complete installation.

4. Performance Parameters

4.1. Functional testing, system verification, and acceptance activities

Install the online DGA systems in place at Lookout Point power plant.

Make the interconnection to the transformer tank at valves 19 (2" globe valve, for complete drain and filter with side sampling device) and 20 (3" flanged gate valve used for draining case), as shown on the attached reference drawing.

Installation must follow the manufacturer's recommendations for the product being installed and must be done with quality workmanship using materials that are intended for the purpose they are used for.

All wiring, cable, and conduit installation must be installed following NFPA 70.

Provide power connections to 120 VAC power (provided by the government at the transformer control cabinet) and a separate connection to earth ground. Use 12 AWG stranded wire. Route all power connections through conduit.

An on-site field engineer or technician who is qualified by the DGA manufacturer must perform or oversee the installation.

An on-site field engineer or technician who qualified by the DGA manufacturer must perform the product verification.

Perform product verification according to manufacturer recommendations.

Coordinate with the COR before drilling or installing the DGA monitor's mounting system on the concrete deck to ensure installation avoids embedded systems and rebar.

Provide Operation and Maintenance manuals, 1 hardcopy and 1PDF for all installed equipment.

4.2. Training

Provide 8 hours of training for the online DGA monitor using the manuals and specialized software included with the equipment. The training instructor must be a manufacturer approved instructor. The training must occur before the first installed DGA monitor is commissioned. Include hands-on training of the online DGA monitor.

Perform a step-by-step simulation of the equipment software menus, including the methods of changing the settings and alarms, and downloading the data.

5. Shipment and Delivery

5.1. Packaging and Shipping

The contractor is responsible for packing and shipping the components in a manner that will ensure undamaged and complete arrival to Lookout Point Powerplant.

5.2. Equipment Delivery

All items must be delivered FOB destination to Lookout Point Powerplant. No shipments are allowed other than normal business hours of Monday through Thursday 7:00 a.m. - 3:00 p.m., excluding Federal holidays.

5.3. Outage and Product Verification Schedule

Product verification (functional testing, system verification, and acceptance activities) must be coordinated with the Contracting Officer at least 14 calendar days in advance.

KO CONTRACTING DIVISION, 333 SW FIRST AVE

PORTLAND, OR 97204-3495

UNITED STATES

ARAGON LIEBZEIT, EMAIL: ARAGON.N.LIEBZEIT@USACE.ARMY.MIL TELEPHONE: (503) 808-4610 AdminBy:

SCD: PAS: