NYC 9/11 Public Portal Document
D. HVAC Specification
1. Controls and Operating Sequences for the fuel oil system and for the
emergency generator system.
2. Fuel oil tank: Tank steel materials and construction methods are specified.
Please provide. A general note is not acceptable.
3. Closed circuit cooling tower The tower basins should be specified with
stainless steel to prevent premature leakage.
4. Combination fire and smoke dampers.
5. Emergency generator exhaust piping, high temperature insulation for the
muffler and pipes, steel plenums and for other items noted above.
II.
A. General: Provide a fire alarm riser diagram.
B. Dwg. E1.01
1. Insure that all electrical devices are on the tenant meters.
2. Referenced to Architectural drawing, A-1-1: Provide conduits running in the
new trench toward the fuel oil alarm tank
E. Dwg. E2.23
1. Provide details to indicate how the step down transformers will be installed in
the electric doset B & C. If floor mounted it appears that the indicated
location will interfere with accessibility to the closet.
2. Insure that the heat that is generated from the transformers will not cause
excessive heat conditions in the closets. Please verily.
3. ELP-23-M and ELP-23-1: Proposed installation not acceptable due to
location against the windows. Please advise.
G. Dwg. E1.48
H. Dwg. E3.01
NYC-WTC_000173479
OCR can misread numbers and units. Confirm readings against the page image before using them.