1.5.6
Qualifications of Ground Heat Exchanger Fabricators
**************************************************************************
NOTE: The experience clause in this section has
been approved by a Level 1 Contracting Officer, and
may be used without further approval or request for
waiver.
**************************************************************************
The only acceptable method for joining buried pipe systems is by a heat
fusion process. Submit documentation substantiating the following
qualifications: ground heat exchanger fabricators shall have completed a
heat fusion school in which each participant has performed a heat fusion
procedure under direct supervision of an approved manufacturing
certification program, or a DOT certified heat fusion technician.
**************************************************************************
NOTE: The experience clause in this section has
been approved by a Level 1 Contracting Officer, and
may be used without further approval or request for
waiver.
**************************************************************************
1.5.7
Qualifications of Ground Heat Exchanger Installers
Submit documentation substantiating the following qualifications:
installers shall have completed an approved manufacturer's certification
program and shall have successfully completed at least two projects with
ground heat exchanger work similar in size and complexity to that required
for this project within the last 4 years.
PART 2
PRODUCTS
2.1
EQUIPMENT
Equipment using refrigerants R-11, R-12, R-113, R-114, R-115, R-500, or
refrigerants with ozone depletion factor (ODF) greater than 0.05 will not
be permitted.
2.1.1
Water-Source Water-to-Air Heat Pumps (WAHP)
**************************************************************************
NOTE: In compliance with FEMP/Energy Star
requirements, units 19040 Wshall have minimum SEER
of 14.1 and minimum heating performance COP of 3.3.
Indicate the equipment operating requirements,
including efficiency, on the drawings.
**************************************************************************
[Provide water-source water-to-air heat pump units factory assembled,
designed, tested, and rated in accordance with ARI 320.] [Provide
ground-coupled closed-loop water-to-air heat pump (extended range) units
factory assembled, designed, tested, and rated in accordance with ARI 330.]
Units shall be ARI certified, or listed in ARI directory. Units shall
include fans, refrigerant-to-air heat exchangers, filters, dampers,
compressor, reversing valve, expansion valve, refrigerant-to-water heat
exchangers, [desuperheater], hose kits, and controls. A permanent label
shall be affixed to each heat pump unit indicating basic information for
that unit. The information shall include: nominal flow rate l/s gpm,
SECTION 15741N
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