Specifications - Lord and Son Construction, Inc.

Submit Design Analysis and Calculations for low pressure ductwork
systems indicating the manufacturer's recommended air velocities,
maximum static pressures, temperature calculations and acoustic levels.
Encompass high velocity systems ductwork where:
Minimum air velocity exceeds 2,000 feet per minute (fpm) or static
pressure exceeds 2 inches water gage (wg).
Medium static pressure ranges from over 2 inches wg through 3 inches
wg, positive or negative, or over 3 inches wg through 6 inches wg
positive.
High static pressure ranges from over 6 inches wg through 10 inches wg,
positive.
Do not use rigid fibrous-glass ductwork.
1.4 SUBMITTALS
Government approval is required for submittals with a "G" designation;
submittals not having a "G" designation are for information only. When
used, a designation following the "G" designation identifies the office that
will review the submittal for the Government. Submit the following in
accordance with Section 01 33 00 SUBMITTAL PROCEDURES:
SD-01 Preconstruction Submittals
Submit Material, Equipment, and Fixture Lists and Records of
Existing Conditions in accordance with paragraph entitled, "General
Requirements," of this section.
SD-02 Shop Drawings
Submit the following in accordance with paragraph entitled,
"Drawings," of this section.
Connection Diagrams
Record Drawings
SD-03 Product Data
Submit Equipment and Performance Data for medium/high pressure
ductwork systems in accordance with paragraph entitled, "Design
Requirements," of this section.
Submit manufacturer's catalog data for the following items:
Galvanized Steel Ductwork Materials
Brazing Materials
Mill-Rolled Reinforcing and Supporting Materials
Round Sheet Metal Duct Fittings
Round, High-Pressure, Double-Wall Sheet Metal Ducts
Turning Vanes
Flexible Connectors
Section 23 31 13 Page 3