addendum_m-1_-_160616

ADDENDUM
PROJECT:
Government of Canada
Driver Training Building
Regina, Saskatchewan
ADDENDUM
NUMBER:
PROJECT NO :
05.004.C
DATE :
M-1
June 16, 2016
The following amendments to the tender documents shall be incorporated in, and form part of, the
tender documents the same as if these had been written into the original tender documents.
REFER TO SPECIFICATIONS
1.
Refer to Section 23 00 00 “Mechanical General Provisions”:
.1
2.
Refer to table in paragraph 1.26.8 “Approved Alternate List”. Add the following:
REFERENCE
SECTION
ITEM
ACCEPTABLE MANUFACTURERS
Energy and Heat
Recovery
Ventilators
Energy Recovery
Ventilators
Nu-Air
Variable Air
Volume Terminal
Units
Variable and Constant Air
Volume Terminal Units
Nailor
Fans
In-Line Centrifugal Fans
Penn-Barry
Loren Cook
Acme
Northern Blower
Twin City
Refer to Section 23 05 90 ”Balancing”:
.1
Add paragraph 3.1.3.5 as follows:
“3.1.3.5
.2
VAV boxes
±5%”
Add paragraph 3.3.11 as follows:
“3.3.11
Calibrate all VAV boxes in the building to ±5%.
“.1
Existing VAV boxes where the controller is being replaced
are to be calibrated. For these boxes, the balancing of
Page 1 of 3
ADDENDUM
PROJECT:
Government of Canada
Driver Training Building
Regina, Saskatchewan
ADDENDUM
NUMBER:
PROJECT NO :
05.004.C
DATE :
M-1
June 16, 2016
downstream terminal air outlets of existing boxes is not
required where there are no revisions to the downstream
ductwork or terminal air outlets.”
3.
Refer to Section 23 21 00 “Pipe and Pipe Fittings”:
.1
Add the following paragraphs below table on page 16 of 25:
“All steam control valves are to have flanged connections. All steam valves
50mm and larger are to have flanged connections.”
4.
Refer to Section 25 09 00 “Controls General”:
.1
Add paragraph 1.12 as follows:
“1.12 Existing Controls
“.1
.2
Add paragraph 2.14.1.1 as follows:
“2.14.1.1
5.
Remove all existing redundant control devices, panels, tubing,
wiring, hangers, fasteners, and appurtenances. This includes within
ceiling spaces where there is a t-bar ceiling. Copper control tubing
located within walls may remain in-situ.”
All steam control valves are to have flanged connections.”
Refer to Section 25 09 70 “Sequence of Operations”:
.1
Delete paragraph 4.8.5.
Page 2 of 3
ADDENDUM
PROJECT:
Government of Canada
Driver Training Building
Regina, Saskatchewan
ADDENDUM
NUMBER:
PROJECT NO :
05.004.C
DATE :
M-1
June 16, 2016
REFER TO DRAWINGS
6.
Refer to drawing M5.1:
.1
Current note that reads “All valve connections shown are to be flanged on this
schematic. Install a steam trap for every 16m of piping and every vertical
change of direction. All condensate lines are 50mm except on hum-1 where
they are 25mm.” is to be replaced with the following:
“Note :
1. All steam control valves are to have flanged connections.
“2. All steam valves 50mm and larger are to have flanged
connections.
“3. All other valves are to have unions for ease of removal.
“4. Install a steam trap for every 16m of piping and every vertical
change of direction.
“5. Unless otherwise noted, all condensate lines are 50mm except on
HUM-1 where they are 25mm.”
-- END OF ADDENDUM --
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