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Steady progress has been made on the Neilson project over the winter recess. Favorable weather throughout most of December and early January has provided the opportunity to make up on some of the time lost due to the extraordinarily wet fall. Since the last update on December 14, 2018, the contractor has completed several of the large concrete mat slab pours in the core 1909 building and they are very close to having a contiguous lower level mat slab from the north addition to the south addition. With the final pours over the next month, they'll be ready to start accepting the structural steel at the site and mobilize the crane to begin erecting the structural steel. Steel erection will start in a big way around the end of March.
As temperatures drop and snow accumulates, work will continue at Neilson to prepare for the arrival of structural steel late this winter. Read a summary of some of the major efforts now ongoing at the site.
On Thursday, December 13, there will be sixteen concrete truck deliveries to a concrete pumper stationed behind Hatfield Hall. Vehicles will be entering and exiting central campus via the John M. Greene gate. The work will begin at 7 a.m. and deliveries should be completed by 12 noon. This concrete will be placed on top of the steel decking that is installed between Wright and Hatfield Hall and will become the roof deck of the underground north wing of the new library.
This will be the last heavy traffic is the vicinity of Hatfield Hall until after final exams.
Construction crews and equipment will be working in close proximity to Hatfield Hall on Tuesday, November 20 and Wednesday November 21. There will be a crane arriving on the site between Hatfield and Wright Hall on Monday.
Delivery of structural steel for the north addition below grade roof will be arriving on the site. A crane will unload the steel from the flatbeds onto the concrete floor of the north addition. The sketch above shows the positioning of the flatbed truck delivering the steel and the crane that will be unloading it.
The steel delivery drivers have been instructed that they will not idle their vehicles on the sight. This delivery will involve one flatbed truck per day arriving around 7 a.m. Crew will escort the vehicles in and out through John M. Greene gate. If schedules hold we expect deliveries of the steel deck to arrive in similar fashion on Monday November 29. Work to erect the steel and install the decking will run from November 19 through December 10. When that work is completed we'll have another large concrete pour for the roof deck. The dates will be provided once they are confirmed. None of these activities are particularly noisy or disruptive, but will be more noticeable to the campus than the activity currently underway down in the hole. Read more...
There will be truck traffic through the John M. Greene Gate and the Neilson Library north construction entrance today, Monday, November 5. The main impact is on Hatfield Hall. Crews will be preparing grades on the east side of the 1909 Neilson building for the installation of staging to support the masonry cornice. This will allow continued work installing steel beam supports on the inside of that masonry wall. There was excavation work on Sunday between Alumnae Gym and Bass Hall to explore for existing utilities in that area. Due to regular construction traffic during the week the contractor needed to do this on the weekend.
Due to the installation of new storm water collection structures in Neilson Drive at the intersection with Seelye Drive, there will be no motor vehicle thru-traffic possible from October 29 to November 8. Vehicles entering at John M. Greene gate must exit the same way. Vehicles entering at College Hall will continue to enter and exit as they now do. A walkway will be set up in advance around the work site to accommodate pedestrian, wheelchair and and bicycle traffic. Also, on Tuesday, October 30, the contractor will be pouring the concrete roof on the south mechanical room. Expect more than usual construction vehicle activity through Dickinson Parking Lot.
There are several large chunks of concrete left over from previous demolition work that must be broken into pieces to be hauled away. Since the work will be noisy, it is scheduled for Monday, October 8 to avoid scheduled classes. Work will take place on Burton Lawn, begin around 8 a.m. and complete mid-day.
The chilled water shutdown delayed due to unfavorable weather is now scheduled for this Saturday, Sunday and Monday, September 22 through 24.
The chilled water mains passing through Neilson Library must be relocated at this time to continue work on the foundations for the new Library. The shutdown will cut off chilled water to buildings on the distribution system above Neilson Library. It will not impact buildings on the distribution system below Neilson Library.
The temperatures predicted for the weekend look to be cool enough for HVAC systems to utilize natural outside temperatures to keep buildings comfortable. Read more...
UPDATE: The weather system and related moisture is moving through the area slower than initially reported, therefore the chilled water shutdown this Wednesday thru Friday is cancelled and will be rescheduled.
The temperatures predicted for Wednesday, Thursday and Friday of this week look to be cool enough for HVAC systems to utilize natural outside temperatures to keep buildings comfortable. Read more...
For the most part, the sustained disruptive demolition work that we have been experiencing so far this year is a thing of the past. Going forward, there will be some activity in close proximity Hatfield, Wright and Bass from time to time, and Facilities will continue to provide advanced notice as those events are scheduled.
Next up: on Thursday, September 13 there will be a concrete pumper and cement deliveries to the construction site behind Hatfield Hall in the afternoon. The cement truck deliveries will be through the John M. Green gate and the construction access gate near Hatfield, with a concrete pumping truck parked out behind the building. Work will be completed around 3 p.m.
Facilities is working on a review of work completed at the Neilson site over the past summer, and an outline of activities planned through the fall semester. Stay tuned!