Project Name
Project Number
UEPH Complex
Statement of Work
26 November 2001
sized and located shall be provided for access to water nozzles or distribution pan, coils, and
valves for cleaning, repair, or removal of the item.
10-9.7
[Manufacturer's multiyear compressor warranty. The Contractor shall provide a [5]
[10] year [parts only (excludes refrigerant)][parts and labor (includes refrigerant)] manufacturer's
warranty on the chiller compressor(s). This warranty shall be directly from the chiller
manufacturer to the Government and shall be in addition to the standard one-year warranty of
construction. The manufacturer's warranty shall provide for the repair or replacement of the
chiller compressor(s) that become inoperative as a result of defects in material or workmanship
within [5] [10] years after the date of final acceptance. When the manufacturer determines that
a compressor requires replacement, the manufacturer shall furnish new compressor(s) at no
additional cost to the Government. Upon notification that a chiller compressor has failed under
the terms of the warranty, the manufacturer shall respond in no more than [6] [24] [_____]
hours. Response shall mean having a manufacturer-qualified technician onsite to evaluate the
extent of the needed repairs. The warranty period shall begin on the same date as final
acceptance and shall continue for the full product warranty period.]
10-10
AIR DISTRIBUTION SYSTEMS. Provide duct systems conforming to the
recommendations of the SMACNA Duct Construction Standards including seal class
requirements. Fire dampers shall be provided where required by code. Balancing dampers shall
be provided at all branch takeoffs and for all supply outlets. Permanent access to dampers shall
be provided.
10-10.1
Ductwork. All ductwork including fittings and components shall conform to SMACNA
HVAC Duct Construction Standards. Seal class shall be as recommended by SMACNA.
[Internally lined ductwork shall not be allowed.] Pressure sensitive tape shall not be used as a
sealant.
10-10.2
Supply diffusers and registers. Diffusers shall be located to ensure that the air
distribution will completely cover all surfaces of exterior walls with a blanket of conditioned air or
may be of a compact design so long as 'dead spots' within the units are avoided. At least one
diffuser shall be provided in each habitable room. Diffusers shall be provided with integral
opposed blade damper. Diffusers shall be provided with air deflectors as required for proper air
flow in the space. Plastic diffusers are prohibited. Core velocity shall be limited to 3 m/sec [600
fpm] maximum, with a maximum pressure drop of 0.82 Pa/m [0.1 inch water]. Airflow from any
single diffuser shall be limited to 94.4 L/s [200 cfm] maximum. Ceiling mounted units shall have
factory finish to match ceiling color, and be installed with rims tight against ceiling. Sponge-
rubber gaskets shall be provided between ceiling or wall and surface-mounted diffusers for air
leakage control. Diffuser boots shall be sealed tight to the wall or ceiling they penetrate using
duct mastic or caulking. Suitable trim shall be provided for flush- mounted diffusers. Duct collar
connecting the duct to diffuser shall be airtight and shall not interfere with volume controller.
Wall supply registers shall be installed at least 150 mm [6 inches] below the ceiling.
SOW-141
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