32A-172 (6) Teresa Wong Neyhart P.E.
TNT Consulting
16 Kosior Drive
Hadley, MA 01035
December 6, 2008
City of Northampton
212 Main Street
Northampton, MA 01060
Attn: Mr. Anthony Patillo
Building Commissioner
Re: Roof Structure
15 Bridge Street
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Dear Mr. Patillo:
On December 6, 2008 we inspected the roof framing of the Woickoski building at 15
Bridge Street. As previously noted, in the June 20, 2008 letter, movement has occurred to
both the north and south exterior walls. We have noticed that further movement has
occurred in the north wall where upon cracks in the exterior north wall studs and
deflection in the valley beam (near the pull down attic access) have occurred.
Our previous recommendation was for the removal of the entire sloped roof; second and
third floor wall systems, and the floor system for the third floor. Presently we are
recommending temporary shoring for the roof structure for this coming winter. This will
include the following:
1. Sistering of studs to any cracked studs on the north wall.
2. Install 2x6 T -brace at the peak for the valley beam near attic access, locating the
bottom of these brace to bearing walls below.
3. Constructing a stud brace wall at the center third of the all valleys to deter further
deflection
4. Construct two knee walls to shorten the span of the main roof rafters.
5. Install collar ties within the upper one -third height of the attic at every rafter
location.
6. Install 45° bracing to the North wall top plate with bottom of the brace connected
to the side of the ceiling joist.
When the work is completed we will conduct an inspection for compliance and furnish
you with an approval letter for this work. No destructive testing was performed at the
time of inspection. If you have any further questions, please do not hesitate to contact me.
Sincerely,
Teresa Wong Neyha P.E. (�
Structural Engineer