Changes

In addition, to remove fine dust, three air filter units are proposed, using this Grizzly model:

In addition, to remove fine dust, three air filter units are proposed, using this Grizzly model:

 

The volume of the wood shop is 25' x 75' x 12' = 22,500 cubic feet. Note that for the purpose of air filters the height is 12' though the shop ceiling is closer to 16' - fine dust generated at floor level does not typically reach heights above 12'. To achieve the recommended minimum air exchange of 8 times per hour a flow of 3000 CFM is needed (22,500 cubic feet * 8 volumes/hour * 1 hour/60mins). As discussed earlier about sizing the DC, a factor of safety is needed since maintenance will likely not always occur on schedule, and that the wood shop is not completely isolated from Hot Metals or the loading dock. The filter model proposed has a maximum of 1400 CFM, but since these ratings are for clean air and filters, three units with a 'maximum' of 4200 CFM total will operate under normal conditions slightly above the 3000 CFM goal. Smaller units placed strategically around the shop will move air more effectively than a larger higher-throughpass system.

The volume of the wood shop is 28,800 cubic feet; to achieve the recommended air exchange of 8-10 times per hour (using 9) a flow of 4320 CFM is needed (28,800 cubic feet * 9 volumes/hour * 1 hour/60mins). As discussed earlier about sizing the DC, a factor of safety is needed since maintenance will likely not always occur on schedule, and that the wood shop is not completely isolated from Hot Metals or the loading dock.

An inventory of the current ductwork at PS:1 was conducted, and it was determined that the list of ductwork provided in Appendix A is needed.

An inventory of the current ductwork at PS:1 was conducted, and it was determined that the list of ductwork provided in Appendix A is needed.

===Installation of the system===

===Installation of the system===

Should the vote pass, a more detailed work plan will be written to provide a order-of-operations for moving tools, constructing the cabinet, installing the electrical for the new system, installing the ductwork for the new system, and other phases needed in the project. Volunteers will be solicited to help, and minimal disturbance to use of the space will be the goal. It is anticipated that there may need to be a small number of days where the Woodshop is either closed for use or restricted in some way to allow volunteers to safely install the ducting.

Should the vote pass, a more detailed work plan will be written to provide a order-of-operations for moving tools, constructing the cabinet, installing the electrical for the new system, installing the ductwork for the new system, wrapping the ducts with sound-absorbing fiberglass and vinyl, and other phases needed in the project. Volunteers will be solicited to help, and minimal disturbance to use of the space will be the goal. It is anticipated that there may need to be a small number of days where the Woodshop is either closed for use or restricted in some way to allow volunteers to safely install the ducting.

==Cost Estimate==

==Cost Estimate==

Grizzly G0638: $4900<br>

Grizzly DC: $4900<br>

Grizzly Air Filter: x3<br>

Grizzly Air Filters: $500 x 3 = $1500<br>

Duct Work (from Oneida Air Systems): $2000<br>

Duct Work (from Oneida Air Systems): $2000<br>

Ecogate System: $8700<br>

Ecogate System: $8700<br>

Electrical Work: $1000<br>

Electrical Work: $1000<br>

Construction materials for sound-proof cabinet: $2000<br>

Construction materials for sound-proof cabinet: $2000<br>

Total: $18,600<br>

Total: $21,300<br>

Add 10% for project incidentals: <b>$20,500</b>

Add 10% for project incidentals: <b>$23,500</b>

== Goals ==

== Goals ==

We believe the best course of action is to allocate $20,500 to allow the purchase of a new DC cyclone, air filters, automated blast gate system, and necessary ductwork and incidentals for installation of the ductwork. Undertaking this will improve air quality at PS:1 and general cleanliness in the Hot Metals and Woodshop area.

We believe the best course of action is to allocate $23,500 to allow the purchase of a new DC cyclone, air filters, automated blast gate system, and necessary ductwork and incidentals for installation of the ductwork. Undertaking this will improve air quality at PS:1 and general cleanliness in the Hot Metals and Woodshop area.

==Vote Language==

==Vote Language==

*Authorize the board, or an individual deputized by the board, to spend $20,500 for a new dust collector cyclone, air filters, ductwork, blast gates, and related expenses.  

*Authorize the board, or an individual deputized by the board, to spend $23,500 for a new dust collector cyclone, air filters, ductwork, blast gates, and related expenses.  

**Authorization to spend these funds will expire 12 months after the vote approval. Money could be allocated in phases if necessary as the project will likely occur in distinct phases.

**Authorization to spend these funds will expire 12 months after the vote approval. Money could be allocated in phases if necessary as the project will likely occur in distinct phases.

*Authorize the board or an individual deputized by the board to draft a basic 'task list' or work plan to lay out tasks for installing the system, and to solicit volunteers for each phase.

*Authorize the board, or an individual deputized by the board, to draft a basic 'task list' or work plan to lay out tasks for installing the system, and to solicit volunteers for each phase.

*Authorize the board, or an individual deputized by the board, along with the volunteer group, to tape off work areas as needed in order to perform necessary work safely.

*Authorize the board, or an individual deputized by the board, along with the volunteer group, to tape off work areas as needed in order to perform necessary work safely.