ADDENDUM TO INVITATION FOR BID (IFB)
Issued By:
PURCHASING OFFICE
BOARD OF EDUCATION OF
PRINCE GEORGE’S
COUNTY
UPPER MARLBORO,
MARYLAND 20772-9983
Addendum No.
Date of this Addendum
Number of Pages
2
April 22, 2016
4
IFB No.
Date IFB Issued
Date & Hour of Return of IFB
041-16
March 31, 2016
May 3, 2016 @ 2:00 pm
TITLE:
Potomac Landing Elementary School
Open Space Pod Conversion
PSC No. 16.086.15C
The above IFB is amended as follows. ALL OTHER TERMS AND CONDITIONS REMAIN THE SAME.
The purpose of this Addendum is to Provide Modifications to the Specifications and Drawings.
GENERAL:
This Addendum is hereby made part of the Contract Documents for the above-referenced project. Its provisions
supplement and/or supersede those of the previously issued drawings and specifications where contrary thereto.
DRAWINGS
All sheets with changes are attached with the modification and indicated with delta 2, unless noted otherwise.
Sheet number Modification
G-001
Modified design team to include Tyler Dietz as the Mechanical Engineer.
Added Carl Sherman as the Plumbing Engineer and Mohammad Towhidi as the Electrical Engineer
Modified M-001 and FA-001 sheet name as per Engineer.
A-002
Modified all corridor walls to 1HR rated.
A-003
Modified temporary classroom layout.
A-101
Added note number 12 for masonry and grout finish/repair to New Work General Notes.
A-502
Added note for contractor to coordinate blocking to avoid P Trap on detail D4/A-502.
Modified Details 1/A-502 and D2/A-502 to include additional adjustable shelves at top of teaching
wardrobe.
A-601
Modified Wall Type 1 to include UL #U407 and STC 44.
Modified Wall Type 2 to include UL #U411 and STC 50.
Modified Wall Type 5 to include UL #U457 and STC 50.
Added fire 20 min. fire ratings to doors opening to new corridors.
S-001
Modified the Drawing for the following:
1. IBC 2015
2. Wind loads
3. Seismic loads
4. In Submittals section eliminated steel
joists, roof deck, and cold form metal
framing.
5. In Special Inspection section
eliminated Special Inspections for
foundations.
6. In Foundation section eliminated
Structural Compacted Fill section.
7. In Foundation section eliminated
reference to LEED under Foundation
Section.
8. In Structural Steel section eliminated
references to steel pipe and tubes, and
fabricator responsibility of designing
connections.
9. Steel Joist section added section
number for reinforcing joists.
10.Eliminated Steel Roof Deck section.
S-101
Modified the Drawing for the following:
1. Revised large plan to number 2 and added “CMU WALLS – ADD
ALTERNATE NO. 6” to the title.
2. Added Partial Plan 1 titled “ Partial Plan – New Work –First Floor – Base Bid.
3. Plan Number 2, modified note about new concrete slab to see plumbing
drawings, modified note about new 4” CMU walls extending to roof, add
callouts for existing footings and piers.
S-111
Modified the Drawing for the following:
1. Revised large plan to number 2 and added “CMU WALLS – ADD
ALTERNATE NO. 6” to the title.
2. Added Partial Plan 1 titled “Partial Plan – New Work –First Floor – Base Bid.
3. Plan Number 2, added section 10/S-201 at double 4” CMU restroom walls
either new or existing.
S-201
Modified the Drawing for the following:
1. In Section 4 revised section to remove all information that did not apply to
project.
2. In Section 5 revised note 3 to reference correction section.
3. In Section 9 revised reference to Hilit HY 70 instead of HY20.
4. Added Section 10.
M-001
Modified mechanical general notes 11, 12, 14, 21, 23 and 42. Changed name of sheet to
match drawing list.
Modified/Added symbols to the symbol list.
MD-101
Modified Keynote Schedule and General Notes.
M-101
Modified items throughout entire sheet. Entire sheet is reissued.
M-400
Modified Flow and Control Diagram General Notes.
Added Detail C to sheet (Multizone Air Handling Unit Plan and Elevation View)
M-500
Modified Detail F – Piping Hangar Detail
M-600
Modified Multizone Air Handling Unit Schedule. Edited schedule notes and scheduled
values.
P-001
Modified. Revised water closet rim height from 15” to 14”, changed model number to
accommodate this.
E-001
Added duct smoke detector to symbol list.
E-100
Modified lighting fixtures locations.
Added note to the drawing.
E-200
Modified location of the new transformer and panelboard.
Added junction boxes and circuit number for electric paper dispensers and AV cabinet.
Added disconnect switches for the mechanical units.
Added conduits for the provision for power and low voltage systems to the trailers.
E-502
Modified power riser diagram for the panelboard and transformer location.
SPECIFICATIONS
All sections added or modified will have “Revised by Add.2” in header. All modifications in the existing text will be in
bold italic font. The full specification changes are identified below for your use.
Section number
Modification
TOC
Modified to match Specifications sections.
04810
Modified section to remove duplicate information.
09300
Modified to include Porcelain Floor Tile and delete flooring not being used.
16121
Modified to add ARUBA network switches and wireless access point as a basis of
design.
16813
Added Classroom AV and Communications Equipment section.
Attachments
16_0414 Permit Submission Drawings Potomac Landing ES – Combined
16_0415_Potomac_Landing_Spec Permit Final
A CD containing these attachments can be obtained by contacting:
Mr. Pershey Drayton
Department of Capital Programs
Phone: 301- 952-6615
Bidders must complete, sign, and return two copies of this Addendum on or before bid opening date.
Failure to do so MAY be cause for your offer to be ruled non-responsive and not considered for award.
If your Bid has already been submitted and, because of this Addendum, you desire to modify your offer, you may do
so by letter or email provided such notice makes reference to this Addendum and is received prior to the time
specified for return of Bid.
Steve Francisco
April 22, 2016
Buyer’s Signature
Date
Company Name of Bidder
Signature of Person Authorized to Sign
Address
Type or Print Name and Title