1374726_Steam B_Amendment 0002.pdf

Naval Facilities Systems Engineering Command Washington | 1314 Harwood Street, SE, Washington, DC 20374

1374726_Steam B_Amendment 0002

Amendment 0002 eProjects Work Order Number: 1374726 Construction Contract Number: TBD

Project Title: Replace Boilers at Steam B Location: NSF Indian Head, MD Date: June 23, 2023

Making Word Changes

Changed Item Change Description

Part 3 – Chapter 2 - 2.3.5

Change the last sentence to say: While full ABA compliance is not required given the understanding that this is a temporarily occupied building for occasional monitoring of equipment, the design should provide a limited accessible path from the parking area to the main entry, to the Control

Room and the Toilet. It is not anticipated that personnel will occupy the building on a daily basis.

Part 3 – Chapter

6/ESR G40 G401010

Provide cathodic protection on underground buried lines and above ground structures in accordance with UFC 3-570- 01.

Part 3 – Chapter 1 – 1.2, 4th bullet

After the second sentence, add: Government will remove as much as possible from the existing tanks, using existing equipment, prior to contractor demolition. Any residual or cleaning will be the responsibility of the contractor.

Temporary boilers on site are not required.

At the end of the bullet point, add: Government to provide one refilling of new fuel tanks.

Part 3 – Chapter 2 –

2.4.5 - Controls

Add: The Utilities SCADA system platform uses Rockwell Automation’s Factorytalk Site Edition V8.0. The system is a network distributed topology and is hosted from a single server location. The central server connects to an array of field Plc’s and numerous monitoring / control workstations via a managed Cisco fiber network. All field PLC’s are manufactured by Allen Bradley and can connect using RSlogix500 or 5000, system may require some upgrades to connect remotely and go online with PLC’s running a newer firmware version.

Part 3 – Chapter 6 / ESR D50 System Description

At the end of the third paragraph add: ATS will require coverage from weather while being stored. Equipment is designed to be outside. Government is responsible for the fuel removal prior to the relocation of the diesel generator.

Design & Construction Business Line Page 2 of 3

Part 3 – Chapter 3 –

Site Features – bullet

7, sub bullet 4

Add after the sentence ending in “moved to the Strauss Avenue Primary Nodal Plant.”: The Government owned package steam plant in the Conex box must be relocated by the Contractor. The Rental Boiler relocation will be the responsibility of the rental company. Temporary Connections to both the Rental and the Package Boilers will be completed by Government personnel.

Part 3 – Chapter

6/ESR D30 –

D302001 1.10.4

Add to the end of this section: Transmitters should come with LCD option as well as HART protocol for ease of calibration.

ESR G40 System Description

At the end of the second paragraph, add: Repeat testing when the generator is relocated back to B712R and provide any repairs that are new issues not found in the original test report. Any maintenance, while the contractor is storing the generator, must be completed by the contractor. The Generator and ATS do not need to be in use during demolition and construction time. One refueling will be provided by the government. Generator make/model will be provided once awarded. The contractor must provide a temporary load-bank for generator testing.

1.2 Project

Components – 2nd bullet

Add to the end of the second bullet point: Government will remove as much as possible from the existing tanks, using existing equipment, prior to contractor demolition. Any residual or cleaning will be the responsibility of the contractor. Temporary boilers on site are not required.

Part 3 – Chapter 2 –

2.4.2 8th paragraph

Add to the end: Government to provide one refilling of new fuel tanks.

1.2

Add a bullet point at the end: Existing steam supports between the existing plant and utility bridge adjacent to building 1646 shall be replaced, primary valve at the utility bridge and warm up valves should be included as well.

ESR D30 – D302001

1.1

Add to the end: Provide all boiler submittals for review and approval by NAVFAC Certified Boiler Inspector. Notify Contracting officer three weeks in advance of any boiler testing for scheduling witnessing by the NAVFAC Certified Boiler Inspector, which is required for acceptance and certification.

The government is responsible for boiler emissions permitting. The Design build team must provide all information required for the permitting. Provide Dispersion analysis or Potential to Emit calculations.

Design & Construction Business Line Page 3 of 3

Part 3 – Chapter 3 – Site Features – 7th bullet point – 4th sub bullet point

Modify the second sentence to say: The electric generator must be moved, secured, and protected by the contractor to a contractor location approved by NAVFAC and the package steam plant must be moved to the Strauss Avenue Primary Nodal Plant.