Scope of Work_replacement oxygen bulk tank_.pdf

Scope of Work

Background. Zuni Comprehensive Community Health Center (ZCCHC) is in southwestern New Mexico and provides inpatient and outpatient healthcare services to the surrounding communities.

Objective. The objective is to replace existing bulk liquid storage tank and install a new bulk liquid oxygen tank system.

The Contractor shall provide all tools, equipment, materials, and qualified personnel necessary to perform the scope of work.

Zuni Comprehensive Community Health Center- Bulk Oxygen Tank System Replacement.

1. Bulk Oxygen System Replacement and Installation.

The Contractor shall remove the existing bulk oxygen tank, furnish and install a new 1,500-gallon liquid oxygen

(LOX) bulk tank system, including:

• New 1,500-gallon bulk oxygen tank system

• New manifold control center, where all switches, bypasses, connection points and meters are in a single location.

• New alarm panel and vaporizer compatible with the 1,500-gallon liquid oxygen (LOX) system.

• Reserve assembly piping and valves.

• Inlet strainers and economizer circuit components, including all required valves, fittings, and controls.

• 1-inch flanged switching manifold with bypass and seven (7) valves.

• All associated piping, valves, fittings, and accessories.

• Labor, crane services, multi-truck support required to lift, unload, and place the new tank.

2. Site Preparation.

• Remove the existing concrete pad and all fencing sections.

• Construct a new concrete pad, compliant with applicable codes and updated seismic specifications.

• Install new fencing with access gate in accordance with applicable codes.

3. Underground Electrical and Signal Conduit Installation.

• Hand-excavate and backfill approximately 70 feet of trench to a depth of 24 inches from the southwest side of the hospital bulk oxygen pad.

o Prior to excavation, the Contractor shall locate and verify all existing underground utilities in accordance with applicable utility locating requirements.

• Install two (2) 1-inch underground PVC conduits:

o One conduit for signal wiring o One conduit for line-voltage wiring o The line voltage and signal wiring shall be installed in separate conduits to prevent interference.

• Route signal wiring to a junction box located inside the bulk oxygen fence enclosure.

• All underground conduit installations shall comply with NFPA 70 (National Electrical Code) and applicable local requirements.

• The Contractor shall provide as-built documentation identifying the final installed location, routing, and depth of all underground electrical and signal conduits upon completion of work.

• The excavated areas shall be backfilled, compacted, and restored to existing conditions upon completion of work.

4. Electrical and Alarm System Work.

• Installation of:

o One new voltage junction box one (1) foot above grade at the building.

o One new voltage junction box inside the bulk oxygen fence enclosure.

• Pull new signal wiring for the following alarms:

o Liquid oxygen level low o Oxygen reserve in use o Oxygen reserve low

• Route signals from the new bulk tank junction box to the existing signal junction box located inside the cylinder closet.

• Troubleshoot and repair existing non-functioning signal wiring running from the cylinder closet junction box to both master alarm panels.

• Test and verify proper operation of all oxygen alarm signals to both master alarm panels.

• All alarm and electrical work shall be subject to inspection and acceptance by the Facilities Department to final approval.

5. Contractor Qualifications.

• The Contractor personnel performing medical gas work shall be certified in accordance with NFPA 99 and

ASSE 6010/6020 requirements.

• The Contractor shall maintain required insurance coverage, including general liability, automobile liability, and workers’ compensation insurance, for the entire duration of the contract and shall provide certificates of insurance upon request.

• All electrical work shall be performed by a licensed electrician in accordance with state and local licensing requirements, including installation of 110/120-volt life safety system circuit breakers.

• The crane operators shall be properly licensed and certified in accordance with applicable federal, state, and local requirements, in accordance with OSHA 29 CFR 1926 Subpart CC (Cranes and Derricks in

Construction). In addition, the Contractor shall be responsible for crane safety planning, including lift plans when required, and shall coordinate with the Facilities Department.

6. Facility Responsibilities and Coordination.

The Facilities Department shall be responsible for coordinating the system shutdown and providing the required support, including:

• Providing emergency backup portable oxygen systems and portable vacuum units during construction.

• Coordinating with the oxygen suppliers to:

o Implement Infection Control Risk Assessment (ICRA) measures o Shut off required electrical breakers during work o Address any additional site-specific requirements