Attachment_09c_Revised_SEED_Project_SOW_Replacing_Split_Systems_TLF_Bldg_90372,_90374_and_90375.pdf

Statement of Work

CP# - 1028964

Title: Replace Split Systems TLF Bldgs. 90372, 90374 & 90375 Date: 7 Mar 2019

1. GENERAL

1.0 The following Statement of Work is for a SABER task order to be accomplished by the contractor in accordance with the requirements of the Hurlburt Field Base Master Specifications (HBMS), and the SABER Contract.

1.1 The contractor shall provide all plant, labor, materials, equipment, design, and supervision necessary to Replace Split Systems TLF Bldgs. 90372, 90374 & 90375.

All work shall be done in accordance with the requirements contained in the Hurlburt Field Base Master Specifications, SABER Contract and the Statement of Work.

Contractor shall provide a projected schedule of all submittals and a project construction schedule upon award of the contract.

1.2 Contractor and all subcontractors must fully comply with specification section 01 00 00, General Requirements. All forms referenced, notarized statements, construction data worksheets, contractor progress reports, contractor compliance statements, etc. must be provided to the contracting officer at the appropriate time as indicated within the specification.

1.3 Contractor should refer to Hurlburt Field Base Master Specifications, for guidance on the documentation needed to fulfill the requirements of the SABER task order.

1.4 A Cost Estimate shall be accomplished using the 2019 Means Book. Non pre-priced items should be identified as such on the estimate.

1.5 Contractor shall obtain all necessary permits and work clearances, including underground utilities PRIOR to start of work.

1.6 Contractor shall coordinate work closely with Contracting Officer or, representative, as well as the CE project manager on all issues pertaining to work phasing, scheduling, planning, and execution.

1.7 The contractor will provide the names of all workers to the building manager and security officials of the building. (Not required for seed project but is required for majority of task orders).

1.8 All workers from the contractor and sub contractors will be informed on the specific security issues and operating practices of the building and will comply.

1.9 Any work done after duty hours, weekends or holidays will be coordinated with requestor and building manager.

1.10 All close out documents (see section 01 70 00) must be submitted to contracting officer prior to final inspection. Government will withhold 3% of contract sum until project is complete and has been accepted by the Government.

2. LOCATION

2.0 The project site is located on Hurlburt Field, Florida at buildings 90372, 90374 & 90375.

3. MATERIALS

3.0 Contractor shall refer to the SABER specifications for guidance in selecting appropriate materials to accomplish the work.

3.1 Contractor to provide submittals for all materials.

3.2 If the Contractor suggests the use of a specific material not listed in the specifications, which the Government might consider to lessen the cost or increase the utility or appearance of the facility, the material should be listed under Alternatives as described in the SABER contract.

4. PROJECT ELEMENTS

4.0 The project will contain, but is not limited to, the following elements:

4.1 MECHANICAL:

4.1.1 NOTE: Although described below as a single task, completion of this work will be phased so that only 1-2 units are down at one time. The replaced units must be completely operational before moving on to the next unit/set of units.

4.1.2 Isolate/kill power to existing condensing units and air handler units. Disconnect existing wiring.

4.1.3 Remove and dispose of (24 each) 1-1/2 ton split system HVAC units. Each unit shall consist of the condenser unit and air handler unit. Existing supply air duct to remain in place. NOTE: Recover and legally dispose of refrigerant from each unit prior to removal.

4.1.4 Remove and dispose of the existing copper supply and return line sets. Existing line sets run from the Air Handler unit into and up inside the wall separating the mechanical closet and storage closet. They enter the attic space and travel to the exterior wall where they go down inside the wall to below grade, then over to the condensing unit.

The new line sets and control wiring will be ran from the Air Handler unit to the wall separating the mechanical closet and storage closet up to the attic space (surface mounted) then over to the exterior wall where they will penetrate the exterior wall above the soffit and surface mounted down to grade and over to the condensing unit. The liquid and suction lines are not required to be in PVC on the interior of the facility, but only for the exterior portions.

4.1.5 The existing condensate drain line to each unit will remain in place. These are piped underground and terminate at a location other than the unit.

4.1.6 Remove and dispose of the existing thermostat for each unit as well as the cabling between the unit and thermostat.

4.1.7 Provide and install (24 each) new 1-1/2 ton, air cooled, condensing units with 4kw strip heater installed in AHU duct. Available electric service available is 230v, 1 phase, 60 Hz.

4.1.8 Install new 1/2” insulated copper supply and return line sets as described in Paragraph

4.1.5 for each of the 24 units. Make required connections at AHU and Condensing unit.

4.1.9 Provide and install 24 new low voltage, programmable thermostats with heating/cooling, clock and backlit LED display. Install new thermostat cabling. All exterior wiring shall be installed in liquid tight conduit. Thermostat location will be at existing location.

4.1.10 Perform a leak test on new copper line sets.

4.1.11 Reconnect existing electrical wiring to the condensing unit and air handling unit. Test each unit to ensure both heating and cooling modes operate properly.

END OF TASK ORDER