Attachment 1 - SOW Rev.2 - B10 Windows 21 August 2024.pdf

SCOPE OF WORK

Project Name: Flight line Control Tower Windows

Base Bid and Bid Option

XDAT # 23-1040

21 AUG 2024

REVISION 2

1. GENERAL DESCRIPTION

1.1 The contractor (Ktr) shall provide all design, labor, materials, and supervision to demolish and replace existing windows at building 10. As part of the base bid the Ktr will perform a leak test prior to the start of construction to identify water intrusion. There are 16 windows in the cab at the top of the control tower that need to be replaced. As a bid option the Ktr will replace 20 windows and 4 window units, which are comprised of 7 windows each, in the tower. Ktr will also perform stucco patching of exterior siding to correct areas of water intrusion. Please refer to Attachment 1 As Builts for all windows and measurements. Contractor shall comply with codes and standards to include:

UFC 1-200-01

UFC 4-133-01

UFC 4-010-01

UFGS 01-33-00

IEBC 2021

IBC 2021

Spec 01000 Travis AFB Facilities Excellence Guide Travis AFB Maintainability and Durability List

1.2 Contractor shall have approved drawings and submittals for all materials prior to any new work or installation of equipment, including accessory items. Contractor shall review existing as-built drawings and make corrections to apply with proposed new scope designs with final review by government for approval. All work must comply with environmental laws and regulations, including abatement of any hazardous materials.

Operations of the control tower are conducted 24/7 so work is best started as earliest as possible in the day to avoid as much interference as possible. All work to be completed, is to be coordinated through CE with flight control tower so that they may continue work while construction is taking place. Contractor shall provide a phase plan prior to start of construction. Aside from that contractor should only remove windows that can be replaced within the same days work. Contractor will be responsible to provide all proper equipment to complete demolition and construction to include proper fall equipment as there is no tie off system on the roof. Prior to construction contractor will need to obtain approval for lift equipment “Tac W” through Base Civil Engineering (BCE) as well as providing a primary and alternate laydown yard. To obtain approval processing time may take up to 6 months. Approval process for laydown and Tac W shall be started immediately after award. Any blocking of views or excessively loud noise in cab will need to be coordinated ahead of time.

2. BASE BID

2.1 Phase 1, Testing

2.1.1 Contractor to conduct hazardous testing of mold and a leak test for the entire exterior of facility, immediately after the notice to proceed and prior to commencement of phase 2.

Contractor shall provide test results/reports/findings to the government. Contractor shall assume that mold is present and account for this in their bid for mold to be abated.

2.2 Phase 2, Demolition & Construction

2.2.1 Based off the results of the leak test report, contractor shall demolish old windows to include frames for all 16 windows in tower cab and are approximately 6’x 7’ in size.

2.2.2 Any existing window shades in cab shall be removed and reinstalled. Contractor will be responsible for any damage to existing window shades.

3. BID OPTION

3.1 Phase 3, Demolition & Construction

3.1.1 Floors 4, 5, 6, 7, and 11 have 4 single-framed windows that need replacement. The windows are 42” x 42” in size.

3.1.2 The 8th floor has 4 window units, comprised of 7 windows each within the entire window assembly, that need to be replaced. The window assemblies are 48” x 296”. Contractor is to demolish and replace approximately 49 LF of counter space of windowsills. Contractor shall install new dual window shades on windows within the office.

3.1.3 Gypsum board around windows being replaced as well, as

approximately 1,044 LF of stucco siding will need to be removed, and/or refinished at places of damage and where water intrusion occurs.

Paint shall match existing finishes and be preapproved by BCE.