substitution request - Alliance Construction Solutions

Project No.: 10145
550 15 th Street Dual Brand Hotel
03/16/2012
in an approved manner by the Contractor at his expense. Vibration control shall be
accomplished by means of approved vibration eliminators installed in a manner
recommended by the manufacturer of the eliminators.
1.23 MECHANICAL COORDINATION DRAWINGS:
A. Prepare and submit a set of coordination drawings as necessary or as required by the
Engineer, showing major elements, components, and systems of mechanical equipment
and materials in relationship with other building components. Prepare drawings to an
accurate scale of 1/4” =1’-0” or larger. Indicate the locations of all equipment and
materials, including clearances for installing and maintaining insulation, servicing and
maintaining equipment, valve stem movement, and similar requirements. Indicate
movement and positioning of large equipment into the building during construction.
B. Prepare floor plans, reflected ceiling plans, elevations, sections, and details to conclusively
coordinate and integrate all installations. Indicate locations where space is limited and
where sequencing and coordination of installations are of importance to the efficient flow
of the work, including (but not necessarily limited to) the following:
1.24 PRODUCT LISTING:
1. Mechanical equipment room layouts.
2. Specific equipment installations, including:
a. Chillers
b. Cooling towers
c. Boilers
d. Pumps and compressors
e. Tanks and heat exchangers
f. Furnaces
g. Air-handling units
3. Work in pipe spaces, chases, trenches, and tunnels.
4. Exterior wall penetrations.
5. Ceiling plenums which contain piping, ductwork, or equipment in congested
arrangement.
6. Installations in mechanical riser shafts, at typical sections and crucial offsets and
junctures.
7. Pipe expansion loops.
8. Numbered valve location diagrams.
9. Exterior underground lines in common excavation.
10. Manifold piping for multiple equipment units.
A. Prepare listing of major mechanical equipment and materials for the project within (2) two
weeks of signing the Contract Documents, and transmit to the Mechanical Engineer. A
sample schedule is included at the end of this section to aid in completing this
requirement.
B. Unless otherwise specified, all materials and equipment shall be of domestic (USA)
manufacture and shall be of the best quality used for the purpose in commercial
application.
C. Provide all information requested.
23 0010 - 11 BASIC MECHANICAL REQUIREMENTS