Full History Timeline

Installation of temp. fuel storage tank and 410 tons unit chiller on the school's playground. The temporary fuel storage tank will feed a 500kW emergency temporary generator that will power the temporary chiller. No change of use, egress or occupancy.

M501, INSTALLATION OF TEMPORARY STACK, STEAM, CONDENSATE, AND MAKE-UP WATER PIPING CONNECTED TO TEMPORARY BOILER SUBMITTING ON BEHALF OF THE CONTRACTOR IN CONJUNCTION WITH DOB # M01024451 , M01149652, M01149644 . NO CHANGE IN USE, EGRESS, OR OCCUPANCY

Installation of modular air cooled heat pump chillers & electric hot water boiler system. Installation of split system air-cooled heat pump systems and refrigerant systems. Replacement of exhaust fans, unit ventilators, and packaged heat pump units.

Structural work for this building electrification project includes new dunnage for rooftop MEP equipment, new roof openings for skylights, and infill of extents of existing slab at existing fuel oil tank room in cellar.

Remove all gas piping & equipment, & disconnect gas service. Remove 2 existing steam hot water exchangers & abandoned gas water heater. Add temp water heater prior to phasing. Add water heater, sump pump, drinking fountain, & secondary RPZ. Replace 2 FD's

Create window openings on building facade & provide new windows. Remove & reinstall face brick at window openings. Create skylight openings in roof slab. Replace ceilings and create openings in walls with MH work. Remove walls in cellar & repair VCT areas

M501, INSTALLATION OF A TEMPORARY 10000-GALLON OIL TANK CONNECTED TO A TEMPORARY MOBILE BOILER TRAILER SUBMITTING ON BEHALF OF THE CONTRACTOR IN CONJUNCTION WITH DOB # M01024451 AND M01149644. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.

SF/Urban Assembly - FOR TEMPORARY CONSTRUCTION EQUIPMENT (SCAFFOLD) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB# M01149644, M01024451, M01149652,M01205509 NO CHANGE IN USE, OCCUPANCY OR EGRESS

SH/Urban Assembly - FOR TEMPORARY CONSTRUCTION EQUIPMENT (SHED) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB# M01149644, M01024451, M01149657, M01205509 NO CHANGE IN USE, OCCUPANCY OR EGRESS

FN/Urban Assembly - FOR TEMPORARY CONSTRUCTION EQUIPMENT (FENCE) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB# M01024451, M01149657, M01149652, M01205509 NO CHANGE IN USE, OCCUPANCY OR EGRESS

CH/Urban Assembly - FOR TEMPORARY CONSTRUCTION EQUIPMENT (CHUTE) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB# M01024451,M01149644, M01149657, M01149652 NO CHANGE IN USE, OCCUPANCY OR EGRESS

Installation of temp. fuel storage tank and 410 tons unit chiller on the school's playground. The temporary fuel storage tank will feed a 500kW emergency temporary generator that will power the temporary chiller. No change of use, egress or occupancy

Proposed: structural design for the acoustical barriers support structure as part of temporary chiller project at M501. No Change of use, egress or occupancy.

Proposed: installation of temporary fence associated with the temp chiller installation. No change of use, egress or occupancy.

SH/PS501M - FOR TEMPORARY CONSTRUCTION EQUIPMENT (EMERGENCY SHED)SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO LLW# 133639 NO CHANGE IN USE,OCCUPANCY OR EGRESS