Wood Innovation and Design Centre
Dust Collection Unit Installation
The following photographs have been assembled to provide additional information into the
location of the ductwork currently concealed behind the ceiling tile. This is to be interpreted in
conjunction with Site instruction #M-009 (SI-042) issued by MMM Group on Feb 20, 2014.
Research Lab ceiling showing ventilation ducting, prior to installation of existing dust extraction
ducting and ceiling grid.
Partially installed ceiling grid on the west side of the research lab (for reference, and not the
side where the dust extraction will be installed).
Existing ductwork and ceiling grid installation.
MMM Group Limited
1045 Howe Street, Suite 700
Vancouver, BC V6Z 2A9
t: 604.685.9381 | f: 604.683.8655
www.mmm.ca
SITE INSTRUCTION # M-009 (SI-042)
Date:
Michael Green Architecture Inc.
57 E. Cordova Street
Vancouver, B.C. V6A 1K3
To:
Attn:
Mingyuk Chen
From:
Peter Osuchowski
For Your
Information
(YY.MM.DD)
Fax #:
Transmitted by:
Review
14.02.20
Comments
Tel #:
604-336-4770
File #:
5012667-002
E-Mail:
Mingyuk@mg-architecture.ca
E-Mail
As Requested
Page 1 of 2
As Discussed
Distribution
This Site Instruction is issued as a written clarification of the intent of the Contract Documents, or instructions to bring the work into
conformity with the Plans and Specifications at no extra cost to the Owner. Any work involving a change to the Contract Price shall
be carried out by an approved Change Order only. This shall not be construed as a complete list nor shall it relieve the Contractor
from the responsibility for the proper performance of his work in accordance with the Contract Documents.
RE:
WIDC – ROUGH-INS FOR DUST COLLECTOR SYSTEM
1.
Revise supply and return ductwork distribution in UNBC Lab as indicated on the
attached drawing to accommodate additional dust collector ductwork.
2.
Provide dust collector ductwork distribution with rough-ins for future connections to
woodworking machines inside UNBC Lab and to the future dust collector outside the
building as per the attached drawing.
Rough-in connections for future woodworking machines shall be terminated at high level
below the suspended ceiling. Rough-in connection for future dust collector shall be
capped at high level on the outside wall.
3.
The rough-in connections for future woodworking machines shall include the following:
.1
.2
.3
.4
.5
.6
.7
150 (6”) diameter rough-in for future planer (required exhaust: 378l/s or 800cfm)
125 (5”) diameter rough-in for future table saw (required exhaust: 260l/s or
550cfm)
125 (5”) diameter rough-in for future jointer (required exhaust: 260l/s or 550cfm)
100 (4”) diameter rough-in for future band saw (required exhaust: 165l/s or
350cfm)
125 (5”) diameter rough-in for future mitre saw (required exhaust: 260l/s or
550cfm)
100 (4”) diameter rough-in for future CNC router (required exhaust: 165l/s or
350cfm)
150 (6”) diameter rough-in for future floor sweep
q:\5012667 wood innov and des centre\mechanical\project site administration\site instructions\msi009 dust collector\5012667 si-042 - msi-009 dust collector.doc
MMM Group Limited
4.
Page 2
Future dust collector shall be equal to Murphy model MKAW-400-2D with EA-1 13/C13
fan assembly (10hp, 208/3/60), air flow-1490l/s (3150cfm), TSP-2500Pa (10”), shaker
motor (1/2hp, 208/3/60), filter area-37m² (400ft²), c/w pre-wired control panel (inside
building), inlet blowback damper, top mounted explosion relief damper, inline discharge
silencer and two 170l (45gal) drums with castors.
The future dust collector will be located outside the building as indicated on the attached
drawing.
5.
Dust collecting ductwork shall be round spiral lockseam duct fabricated from G60
galvanized steel to ASTM A653 and A924. Ducts up to 200 (8”) diameter shall be
22gauge and ducts 225 (9”) to 300 (12”) diameter shall be 20gauge.
Longitudinal seams shall be lapped 25 (1”) and riveted on 75 (3”) centres and then
welded airtight. Girth joints shall be lapped 25 (1”) with the inner lap in the direction of
airflow, riveted on 75 (3”) centres and welded airtight. High pressure gasketted flange
connections are an acceptable alternative.
Elbows shall be minimum two gauges heavier than duct of equal diameter and shall
have a minimum inside throat radius of two pipe diameters. Elbows 150 (6”) diameter
and less shall be constructed of at least five sections. Elbows over 150 (6”) diameter
shall be constructed of at least seven sections. All elbow sections shall be welded.
Prefabricated smooth tube elbows are acceptable.
Ductwork shall be securely hung and anchored from the structure at maximum 2400 (8’)
and at all elbows and drops. No two branches shall enter the main duct diametrically
opposite.
Cleanouts shall be provided where indicated on the drawing. Cleanouts shall be fitted
with gaskets, handles and locking devices.
Reason for change:
As per UNBC request
CC:
Per:
MMM Group Limited
q:\5012667 wood innov and des centre\mechanical\project site administration\site instructions\msi009 dust collector\5012667 si-042 - msi-009 dust collector.doc
DUST COLLECTOR ORIENTATION:
LENGTH ALONG G/L 1. ELBOW
EXHAUST DUCT AND SILENCER
AS NECESSARY.
1
MEZZANINE PLAN WOODWORK SHOP - DUCTWORK
SCALE 1:100
KEYNOTES:
PROJECT NAME
WOOD INNOVATION
DESIGN CENTRE
DRAWING TITLE REF.
LEVEL 1 MEZZANINE
WOODWORK SHOP PART PLAN
REF. No.
5012667
DATE
14.02.20
DWG. No. REF.
REVISION
1 of 2
A
T
MEZZANINE PLAN - DUCTWORK
SCALE 1:100
PROJECT NAME
WOOD INNOVATION
DESIGN CENTRE
DRAWING TITLE REF.
LEVEL 1 MEZZANINE
WOODWORK SHOP PART PLAN
REF. No.
5012667
DATE
14.02.20
DWG. No. REF.
REVISION
2 of 2
A