Specifications - Lord and Son Construction, Inc.

c. The local control bus shall use Bacnet MS/TP over a TP/FT-10 network
d. The local control busses shall be installed such that no node (device
connected to the control network) has more than two CEA-709.1B Routers
and CEA-709.3 Repeaters (in any combination) between it and the
backbone, including the router connected to the backbone.
e. All DDC Hardware shall connect to a local control bus.
f. All DDC Hardware shall be locally powered; link power is not
acceptable.
PART 2
PRODUCTS
PART 2 of this specification covers requirements for Products (equipment).
Installation requirements for these products are covered in PART 3 of this
specification.
2.1 EQUIPMENT
2.1.1 General Requirements
Units of the same type of equipment shall be products of a single
manufacturer. Each major component of equipment shall have the
manufacturer's name and address, and the model and serial number in a
conspicuous place. Materials and equipment shall be standard products of a
manufacturer regularly engaged in the manufacturing of these and similar
products. The standard products shall have been in a satisfactory
commercial or industrial use for two years prior to use on this project.
The two year use shall include applications of equipment and materials under
similar circumstances and of similar size. DDC Hardware not meeting the
two-year field service requirement shall be acceptable provided it has been
successfully used by Keesler AFB in a minimum of two previous projects. The
equipment items shall be supported by a service organization. Items of the
same type and purpose shall be identical, including equipment, assemblies,
parts and components. Manufacturer's catalog data sheets documenting
compliance with product specifications shall be submitted as specified for
each product installed under this specification.
2.1.2 Operation Environment Requirements
All products shall be rated for continuous operation under the following
conditions:
a. Pressure: Pressure conditions normally encountered in the installed
location.
b. Vibration: Vibration conditions normally encountered in the installed
location.
c. Temperature:
(1) Products installed indoors: Ambient temperatures in the range of
32 to 112 degrees F and temperature conditions outside this range
normally encountered at the installed location.
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