Project Scope:

This project was part of the complete remodel of an old campus dormitory/classroom building. IPS elected to bid only the tunnel mechanical piping bid package, which involved total replacement of all mechanical piping and equipment that served the complete heating/cooling systems for this building.

IPS participated in 3-dimensional coordination with all other tunnel trades such as fire protection, electrical, and plumbing. IPS replaced every pipe of every system that ran throughout the underground tunnel. This included hot water, chilled water, compressed air, steam, natural gas, and condensate piping.

Challenges:

The most challenging aspect of this project involved working on over 1500’ of 5’ x 5’ underground tunnels to install over 6000’ of piping. Due to the extensive low overhead tunnel work, the safety manager conducted daily stretching exercises with crews working onsite. Hole watch was necessary to track all personnel in and out of the tunnel to ensure no person was left unattended or unaccounted for during their shift.

IPS installed the new tunnel mechanical systems under an accelerated schedule in order to provide temporary heating for construction during winter months. The schedule also required completion of work prior to the 2015 school year. IPS finished on time and with zero safety incidents.

$115mil. Total Construction
$4.7mil. Project Cost
370,000SF Facility Size
6/2015 Completion Date
6 Project Duration
bid build Delivery Method

Project Scope:

IPS was contracted by BGSU for this Central Heat Plant to Shatzel Hall Tunnel Restoration project. This included the replacement of the deteriorated Heat Plant Tunnel tunnel top below Thurstin Street and tunnel vault wall, pipe anchoring, and top where the secondary backup steam line enters the tunnel as it turns to the east under the parking lot heading towards Shatzel Hall, replacement of several deteriorated pipe rack supports in various locations throughout the entire tunnel, removal and replacement of up to five tunnel top expansion joints, insulating the pumped and high pressure condensate lines, plus installation of new LED lights and tunnel ventilation kiosks, etc. The utilities were contained within the tunnel system. The high pressure steam and the condensate lines were active during the construction of the tunnel renovation. IPS protected the piping located under Thurstin Ave during the replacement of the tunnel top and the walls in this area when the tunnel top was removed. IPS secured this area from accidental entry with proper protection (i.e. fencing, barricades, and signage) for the duration of the tunnel top replacement.

Challenges:

IPS dealt with the water infiltration and uninsulated piping issues before making any repairs to the tunnel structures. IPS replaced the section of the Heating Plant Tunnel for the portion under Thurstin Street. This tunnel top replacement required the removal of the roadway surface and the subbase located over the tunnel. This work was planned to be done for half of the tunnel at time to limit the disruption to traffic flow and locations and waterproofing to prevent future water infiltration from occurring.

IPS
8/2018 Delivery Method
N/A Delivery Method
Bid Build Delivery Method
$938,800 Total Construction
$ 901,000 Project Cost
8/2018 Completion Date
N/A Project Duration
Bid Build Delivery Method

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