Provision of the Supply and related Construction of the Centralized UPS at United Nations Conference Centre (UNCC), ESCAP premises, Bangkok, Thailand

1. The United Nations Economic and Social Commission for Asia and the Pacific (“ESCAP”) is seeking Expressions of Interest (EOI), from qualified vendors, for the Provision of the Supply and related Construction of the Centralized UPS at United Nations Conference Centre (UNCC), ESCAP premises, Bangkok, Thailand.

2. Introduction: ESCAP intends to install the new Uninterruptible Power Supply Systems (UPS) within the UN Conference Centre at Rajadamnern Nok Avenue, Bangkok, Thailand. The UPS will be one of the electricity backup sources for AV equipment and IT components, in the conference halls and meeting rooms.

3. Scope of Works: The scope of works includes three parts. Part 1 to build a room to house the UPS, Part 2 to connect the UPS to the conference halls and meeting rooms and Part 3 Maintenance for the UPS:

Part 1: New UPS room

a. System design, layout update and revision to meet project requirements. b. Supply and install a new UPS and relevant electrical, air-conditioning and fire protection system as per the drawings. c. Supply and construct structural, architectural and painting work for the new UPS room on the ground floor as the following:

• Remove the existing exterior door and replace it with a lightweight brick wall, then apply plaster and paint finish to match the existing wall
• Cut the existing concrete wall to create an opening for the installation of a new double-leaf fire-rated door and strengthen the opening by constructing a reinforced concrete structure to support the new door frame. Remove the ventilation fan, electrical outlets, and LAN conduits that obstruct the work.
• Demolish interior drywalls including doors and windows and repair the existing ceiling and flooring to meet the new lightweight brick wall line.
• Install new lightweight brick walls from floor level to slap soffit, then apply plaster and paint finish to match the existing wall
• Remove existing T-bar ceilings and replace with new fire block gypsum board ceilings.
• Remove existing floors and replace with new epoxy floors.
• Make the floor transition between new UPS room and loading dock. .

d. Commissioning and testing new UPS and relevant electrical, air-conditioning and fire protection systems.

Part 2: Conference Halls, Meeting Rooms and Relevant Area Shown on the Drawings

a. System design, layout update and revision to meet project requirements. b. Supply and install a new UPS power supply cabling and relevant distribution board. c. Commissioning and testing the new UPS system.

Part 3: Maintenance Services of the UPS system

a. semi-annual maintenance service or manufaturerer recommended schedule b. Ad-hoc call out support service

3.2. General Details

a. UPS Specifications:

- Capacity: 250 kVA, scalable to 500 kVA

- Configuration: N+1

- Type: Online Double Conversion Static Modular UPS

- Energy Storage: Lithium-Ion Battery

b. Air Conditioning System:

- Includes both DX coil split type and chilled water coil type.

c. Fire Protection System:

- Equipped with fire sprinklers and CO2 fire extinguishers. d. Construction Details for the New UPS Room:

- Walls: 100 mm thick lightweight brick wall, 2 hours fire-rated, from floor slab to

slab soffit, with plaster, and paint finish to match to existing walls.

- Doors: Steel double doors, 2 hours fire-rated, complete with frame and

accessories.

Please note that this Request for Expression of Interest (REOI) does not constitute a solicitation. ESCAP reserves the right to change or cancel this requirement at any stage of the REOI and/or solicitation process.

Specific Requirements/Information The following are likely the mandatory requirements: a. The company must have a physical presence in Thailand and has a local office in Bangkok to provide the required services. b. The company must have a minimum of three (3) years related experience to similar nature of work in Thailand. c. The company must provide the proposed methodology of service covers the requirements in the Scope of Work including i) work method statements for installation; ii) tisk assessment for installation; iii) project execution plan; and iv) preventative maintenance plan. d. Suitability certified company and project team.

**Please note that the above required documentation is NOT required at the REOI stage. However, the shortlisted companies will be required to submit documentary evidence and detailed technical information during the subsequent solicitation stage.