ESBD_401960_1741871171346_SOL_EXH_F.4_SOW.pdf

EXHIBIT F.4 - SCOPE OF WORK

BROWNSVILLE HVAC REPLACEMENT

TEXAS DEPARTMENT OF PUBLIC SAFETY SCOPE OF WORK

The Texas Department of Public Safety (DPS) is requesting Bid Solicitations for an HVAC replacement project. For more information, see the attached scope of work, drawings, and specifications.

Project Brownsville Area Office 2901 East Paredes Line Rd.

Brownsville, TX 78526

Department of Public Safety Site Contact:

Arturo Gomez Project Manager DPS HQ, Austin Texas

PH: 956-565-7136 MO: 956-261-6700

Arturo.Gomez@dps.texas.gov

NOTE: Building contacts will be identified to the bidders for the respective location for site visits and future access. Access times for each phase of construction must be scheduled ahead of actual work.

Table of Contents Summary of Work Mechanical Drawings

PART 1 - GENERAL

SECTION 1.0 GENERAL

1.01 SUMMARY OF WORK

PROVIDE ALL MATERIAL AND EQUIPMENT FOR INSTALLATION OF FIVE NEW HEAT

PUMP SPLIT SYSTEM UNITS, WHICH INCLUDES THE FOLLOWING:

1. Contractor will provide all equipment, labor, materials, and any needed rental equipment to remove, replace, and dispose of the existing units. The existing units are listed below: (see extent of new work below; everything demolished will be replaced under this contract)

• Please specify units; the units to be replaced will be shown during the official site pre-bid walk.

2. Contractor will provide and install:

• Remove 3 existing RTUs, not original to the building nor what is on the spec sheet.

• Remove 3 existing curbs that were adapted from the original to fit the unit that is there now.

• Install 3 new RTUs with saltwater rating, VFD (Variable Frequency Drives, and correct.

size curbs – prefer foam roof curb tape to create an air-tight seal.

• Verify exhaust fans during walk-through and replace as needed.

• Program the BAS system

• Whips – seal tight flex with metal

• Hardware

• Condensate piping – 1” hard copper lines with UV protection insulation with proper roof supports

• Insulation

3. Any other miscellaneous materials needed for a fully functional system – see Section 23 81 26. The power for this project is 208/230 three phase.

• The Contractor will replace the existing disconnects and whips to each unit. - seal tight flex with metal

• The Contractor is to verify all conduit will be of sufficient size to comply with National

Electric Code (NEC) standard for the size wire needed to comply with the Minimum Circuit Ampacity (MCA) of the new units.

4. All control wiring will be replaced.

5. Contractor will provide a new unit condensate drain(s) fabricated from type “L” copper pipe.

- 1” hard copper lines with UV protection insulation with proper roof supports

6. Contractor will replace all refrigerant piping with new type L hard copper tubing.

7. Contractor will clean all existing supply and return grilles with appropriate disinfectant cleaner to remove all dirt and debris.

8. Contractor will provide start-up warranty on materials & labor.

9. Contractor will provide an independent certified Test and Balance Company to perform a National Environmental Balancing Board (NEBB) or Associated Air Balance Council (AABC) certified test of the systems. See specification Section 23 05 93 Testing, Adjusting, and Balancing for HVAC, for requirements. Provide this report to DPS for approval.

1.02 QUALITY CONTROL

1. All equipment sizes, voltages, clearances, and options must be field verified by the Contractor.

2. No wooden supports allowed.

3. Contractor is to provide materials, labor, and required equipment for turnkey performance of new split system air cooled units.

4. All removable access panels will be unimpeded for removal.

5. Filter access panels will be unimpeded for filter access; there must be a clear path to remove/replace the largest filter in the unit.

6. Contractor is responsible for properly disposing of all debris, including removed materials, trash, or construction debris associated with this project. Removal will not utilize DPS dumpster or equipment unless authorized.

7. DPS will identify an exterior staging area for the Contractor to use. This temporary storage must be maintained in a neat, orderly manner and restored to its original condition upon completion.

8. Any container used as part of this contract is subject to inspection upon being located on DPS property.

9. Contractor must efficiently schedule all work to ensure work will be done in as few calendar days as possible for optimum installation to meet the manufacturer’s warranty requirements. All work must be continuous to ensure the facility impact is minimal, with limited disruptions. Every effort must be made to eliminate downtime and get the DPS operations back in service as quickly and safely as possible. The exact dates will be coordinated once the bid award is made.

10. It is the Contractor’s responsibility to provide only skilled, qualified workers as required in the specifications. At all times during the term of the contract, the Contractor must have available, under direct employment and supervision, the necessary qualified personnel, organization, and facility to properly fulfill all the terms and conditions of this contract.

• Due to the scope of work, the following licensed personnel are required in order to meet the minimum requirements.

Definition of “Qualified Personnel”:

1. Persons that have been registered with TDLR as a Registered ACR technician for a minimum of three years, a Certified ACR Technician for a minimum of two years, or maintain an HVAC contractor’s license Type “A” for a minimum of one year, and/or

2. Possess a TDLR Master Electrician’s license

3. Upon approved exception by the Contract Monitor, any worker who possesses a certification, degree, license, or credential that lends credibility to the workman’s ability to demonstrate his or her technical competence.

1.03 PERFORMANCE REQUIREMENTS

1. All work will be considered new unless otherwise indicated.

2. The Contractor must check and verify all dimensions, notes, and existing conditions on site before any construction work is started. All discrepancies must be reported to DPS.

No extra charge of compensation will be allowed on account of any difference between actual measurements and measurements or dimensions supplied by DPS, either verbally or in written form.

3. The Contractor must assume full responsibility for the accuracy, fit, and stability of all parts of the work.

4. No plans will be scaled; dimensions will be used.

5. All labor, materials, and installations must comply with the codes, rules, and regulations of local, state, and federal authorities having jurisdiction. Any discrepancy between the requirements in the plans, specifications and said codes, rules, and regulations must be immediately brought to the attention of the DPS Contract Monitor or designated representative in writing for resolution.

6. The Contractor must provide all necessary protection of existing work and newly added work.

7. The Contractor will be responsible for adequately protecting all work during construction against damage, breakage, collapse, distortion, and misalignment according to applicable codes and standards.

8. The Contractor must repair and restore to its original condition all work and items damaged as a result of building operations and must leave the work completed to the true intent of the drawings and specifications and to the satisfaction of DPS.

9. Any disturbance or damage to the existing building, site, or utilities resulting directly or indirectly from building operations must be promptly repaired, restored, or replaced to the satisfaction of DPS at no additional cost to DPS.

10. The Contractor must coordinate the work of any and all Sub-Contractors.

11. All materials and construction to be incorporated in the work must be in strict accordance with the latest editions of IBC and must conform to the standards and recommendations of the various trade institutes where applicable.

1.04 SUBMITTALS UPON AWARD OR AS STATED BELOW

1. Refer to Specification for Alternates, Substitutions, and Submittals.

1.05 SCHEDULING

1. All fieldwork installations at the listed location must be scheduled to facilitate continued facility usage as required by the DPS.

2. Prior approval must be received from local DPS staff if scheduled project tasks may impact the regular DPS facility operational schedule.

END OF SUMMARY OF WORK