7_ ADDENDUM NO 3 _ Electrical_Low Voltage.pdf

ELECTRICAL/LOW

VOLTAGE

ADDENDUM NO: 03

CarterWatkins Associates

Architects, Inc.

137 E. Washington Street

Monroe, Georgia 30655

PROJECT: THE NEW DALLAS, GEORGIA CITY HALL

ELECTRICAL/LOW VOLTAGE PACKAGE

DATE OF ISSUE: 07.03.2024

Item #1: The following questions were submitted and the architect’s response is listed below:

a) Please define the extents of interior work that will be part of this package. Which trims stay or any new trims to be added?

The existing sills, aprons, and wood casing are to remain if possible.

A different contractor will be responsible for interior trim finishes.

b) Is there a specification for the stain glass work?

The stained glass is to be replicated as closely as possible, In areas where the heads are not accessible from the interior the stained glass is to be a Faux window and installed form the exterior.

c) Will any additional exterior waterproofing details be published for the tie-ins to adjacent facade?

Industry-standard waterproofing is acceptable. This falls under means and method.

d) Will the interior soffits be removed to gain access to the heads of the windows?

The interior soffits are to be removed and rebuilt during the ceiling installation.

e) There are windows that are too low to the floor, please reference where tempered glazing will be required.

Any window with a sill edge below or less than 18” from the finished floor shall have tempered glazing.

This addendum modifies the Contract Documents only in the manner and to the extent stated herein and shown on any accompanying drawings and will become a part of the Contract Documents. Except as specified or otherwise indicated by this addendum, all work shall be in accordance with the basic requirements of the Contract Documents.

PROPOSER SHALL ACKNOWLEDGE RECEIPT OF ADDENDUM IN A SPACE PROVIDED ON THE BID

PROPOSAL FORM; FAILURE TO DO SO MAY CONSTITUTE AN INFORMALITY IN THE PROPOSAL.

The following clarifications, amendments, additions, revisions, changes and/or modifications shall take precedence over the drawings and specifications for the above-named project only in the amount and to the extent hereinafter specified in this addendum. Where any item called for in the specifications or indicated on the drawings is not supplemented hereby, the original requirements shall remain in effect. Where any original item is amended, voided or superseded hereby, the provision of such item not specifically amended, voided or superseded shall remain in effect.

f) Will site work be ongoing that will affect the ability to gain access to the exterior with a man basket or scaffolding?

Coordinate scheduling of work with the City regarding work sequencing and timeframes.

g) Is there enough laydown space for stored material onsite?

As discussed in the mandatory bid meeting, when trades initially arrive onsite, the project manager will assign them an area for material storage and laydown.

h) There are several window assemblies that the arched head is not attached to the unit, they are separated by a cast ledge. Are these to be included in the window pricing?

Yes, all exterior windows are to be replaced and resealed.

i) If sub-framing is not as detailed, will a change order be issued for additional wood blocking that is required?

Assume that all windows will require new blocking.

j) The existing decorative trims are called out to be manufactured from brake metal. Can these be made from PVC material?

PVC would be acceptable if it matches the existing profile.

k) Are all ornamental exterior works to be included in the window package?

The ornamental exterior scrolling above the mail level windows in the “arches” are to be included with the remaining ornamental detailing in the Roofing and Exterior Metals package. Window bidders should not include the trim in their bid.

l) There are sections of precast where a joint is present below the window. Is this the window or mason’s responsibility to repair?

The precast joints will be repaired by a brick mason before the windows are installed

m) Has lead testing been performed on the window assemblies?

There has not been any lead testing on the windows

n) What detail will be used to close off the window that is half behind the elevator? The current has sheetrock cut neat to the window and stained glass.

The window installer is responsible for installing and sealing the window all interior finishes will be by another contractor.

o) The invitation to bid says that all work will be paid for after completion and acceptance.

The work will be paid per the invitation to bid after its completion and acceptance.

p) The invitation to bid says that all work will be paid for after completion and acceptance. The sample contract says that progress payments will be allowed. Please clarify which are the correct terms and conditions.

Progress payments will be allowed.

q) Considering there is very limited space above the ceiling, there is not enough room to install gravity flow condensate drains from each of the cooling coils. Therefore we are assuming that every cooling coil will need to have a condensate pump. Have provisions been made with electrical to wire these pumps?

Cassettes of Mitsubishi units have a built-in pump to lift condensate drain for 2'-0'. A condensate pump is required for some air handlers. A mechanical contractor shall coordinate with the electrical contractor.

r) The HVAC Equipment Schedule does not include anything for the HRU unit that is installed in the Attic. Please provide a detailed schedule for this unit.

See the attached revised drawing M-7. I am working with the vendor to get the unit in the sections.

s) As the HRU is to be installed in the Attic, has provisions been made with other trades on structural support for this unit. Currently the Attic floor is wood framed with plywood decking. Seems there should be structural steel tied to columns with an i-beam frame built above the Attic wood floor for this unit to sit on. Please advise.

There will be an attic access stair added to the third floor. The contractor will be asked to structurally evaluate the attic floor during construction. An equipment pad can be added at this time.

t) Has provisions been made on how the HRU is to be installed in the Attic? A potion of the roof needs to be removed in order to hoist the unit into place, then the roof be built back. This will effect multiple trades. Please advise.

Please see the revised drawings showing the attic access stairwell. We plan on changing HRU in the sections so that we can bring it into the attic.

u) For all mechanical roof penetrations, will a roofer be involved to remove the roof material, have us install our equipment (hoods primarily), then the roofer dry the roof back in?

The building is receiving a new roof and it will the roofers responsibility to dry everything in

v) On drawing M-1, there is a unit tagged B-AU-8-4. This unit is not included on the equipment schedule. Please advise is this unit will be installed. If so, please add to the schedule.

yes. See revised drawing M-6.

w) The HRU is not scheduled on the drawings or in the specifications. Will information and specifications be released for this unit?

See answer to letter R above.

x) What is the structural support plan for the HRU? Who is expected to cover the structural scope of work?

See answer to letter S above.

y) Will the HVAC equipment be tied into a BAS/DDC system, and if so, who is the controls supplier for the system? Or would all equipment be separately controlled by thermostats?

Price the equipment to be installed with thermostats and offer an alternate add to supply a

DDC system

z) Who is expected to cover the scope of work regarding the concrete pads?

The pad is not part of the HVAC package. It will be handled outside by the construction manager.

aa) What is the proposed plan to install the HRU in the attic, and who is responsible for providing a pathway to get the equipment in the attic?

See answer to letter T above.

bb) Will the low voltage company be taking the role of IT engineering as it proteins to installing network equipment and configurations after rough in ? This includes but not limited to switches, servers, Ip phones, Ip cameras indoor/outdoor, wireless access & desktop computers

The city will be responsible for installing network equipment

cc) Are the ceilings going to be dropped? I remember the GC stating keeping the building authentic as much possible

Please refer to the RCP plans in the drawing package. Most areas of the building will have drop ceilings with the exception of the Council Room, and Training Room. Unfinished areas in the basement will be open to the concrete structure above.

dd) The route for the network runs from the main point of entry {MPOE} Will it have ventilations for equipment, and will the network closets be closed off?

Please see the revised MEP plans. There is an enclosed IT room on the ground floor with

HVAC installed.

ee) When is the expected start date and expected end date for the network to be installed and completed?

Some components of the HVAC might start as soon as September with most of the project occurring during the fourth quarter of 2024.

END OF ADDENDUM NO: 03