Addendum No 4Proj. No. 011215 Enabling Neilson September 7, 2016
Renovations
Smith College, Northampton, MA
ADDENDUM No. 4 1 of 4
To: General Bidders
This addendum consists of 4 pages and 1 attachment. General Contractors are
responsible for distributing this addendum to their sub-bidders and suppliers.
Indicate receipt of this addendum in the appropriate place on the bid form. The
bid documents dated August 1, 2016 are amended as follows:
SPECIFICATIONS:
ADD4.1 Clarification as requested via RFI:
Specification Section 230000 HVAC, Paragraph 2.25 Automatic
Temperature Controls, Item B.
ADD: Existing hot water radiation zones (5), heating hot water pumps (5),
and steam control valve shall be controlled to operate on a hot water
temperature reset schedule whenever outdoor temperature is below 30
deg F (adjustable) and the zone temperature corresponding to the given
pump’s zone is 70 deg F or below (adj).
DRAWINGS:
PLUMBING:
ADD4.2 CORRECTION Drawing P1.1B:
REVISE cold water piping serving toilets to be 1-inch in lieu of 1/2". (Note
that the existing toilets in Henshaw B, C, and D are flush valve type and
existing cold water piping serving the existing toilets is 1-inch.)
ADD4.3 CORRECTION Drawing P1.1C:
REVISE cold water piping serving toilets to be 1-inch in lieu of 1/2". (Note
that the existing toilets in Henshaw B, C, and D are flush valve type and
existing cold water piping serving the existing toilets is 1-inch.)
HVAC:
Proj. No. 011215 Enabling Neilson September 7, 2016
Renovations
Smith College, Northampton, MA
ADDENDUM No. 4 2 of 4
ADD4.4 Volume C: Delete Drawing H1.0B and insert Drawing H1.0C
attached to this addendum. (Note: Scope of work is unchanged).
ADD4.5 Drawing HD1.1C
DELETE the following language that had been added in Addendum 3
NOTES:
“Controls shall be interlocked to prohibit operation of heat pump
system in cooling mode when the baseboard radiation heating
system is in operation.”
ADD4.6 Drawing HD1.1B
DELETE the following language that had been added in Addendum 3
NOTES:
“Controls shall be interlocked to prohibit operation of heat pump
system in cooling mode when the baseboard radiation heating
system is in operation. “
ADD4.7 Drawing H1.1E
ADD NOTE:
The existing 1-pipe steam boiler heating system serving the building shall
remain. Remove the two (2) steam radiators on the 3rd floor (not shown on
drawings), along with the riser pipes up to the third floor radiators. Cap
piping at main. At new Vestibule 100V, relocate the existing 1-pipe steam
radiator to the wall behind the door.
Proj. No. 011215 Enabling Neilson September 7, 2016
Renovations
Smith College, Northampton, MA
ADDENDUM No. 4 3 of 4
ELECTRICAL
ADD4.8 Drawing EPD1.1E
ADD GENERAL NOTE:
Three Rooms on 3rd floor shall have existing electrical demolished. This
includes the removal of (4) lighting fixtures, (6) devices, and making safe
associated branch circuit wiring.
ADD4.9 Drawing E1.0E, EP1.1E
ADD GENERAL NOTE (to each the first floor and basement)
Provide 20A-1P breaker with 2#12+#12G branch circuit wiring to support
temperature control systems. Coordinate with HVAC controls contractor,
and Provide power from nearest available panelboard.
ADD4.10 Drawing E1.0H, EP1.1H
ADD GENERAL NOTE (to each the first floor and basement)
Provide 20A-1P breaker with 2#12+#12G branch circuit wiring to support
temperature control systems. Coordinate with HVAC controls contractor,
and Provide power from nearest available panelboard.
ADD4.11 Drawing EP1.1B, E1.0B
ADD GENERAL NOTE (to each the first floor and basement)
Provide 20A-1P breaker with 2#12+#12G branch circuit wiring to support
temperature control systems. Coordinate with HVAC controls contractor,
and Provide power from nearest available panelboard.
ADD4.12 Drawing EP1.1C, E1.0C
ADD GENERAL NOTE (to each the first floor and basement)
Provide 20A-1P breaker with 2#12+#12G branch circuit wiring to support
temperature control systems. Coordinate with HVAC controls contractor,
and Provide power from nearest available panelboard
Proj. No. 011215 Enabling Neilson September 7, 2016
Renovations
Smith College, Northampton, MA
ADDENDUM No. 4 4 of 4
ADD4.13 Drawing EP1.1D, E1.0D
ADD GENERAL NOTE (to each the first floor and basement)
Provide 20A-1P breaker with 2#12+#12G branch circuit wiring to support
temperature control systems. Coordinate with HVAC controls contractor,
and Provide power from nearest available panelboard
ADD4.14 Drawing EP1.1D,
Provide 20A-1P breaker with 2#12+#12G branch circuit to support
Mitsubishi BC Controllers located at each end of the building exterior.
Coordinate final locations with HVAC controls contractor, and Provide
power from nearest available panelboard.
End of Addendum No. 4