Addendum__03_MSP_6-3-26.pdf
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- Solicitation number
- PLV ITB 02
- Issued by
- Hartford County, Connecticut
About this file
This is Addendum #03 to Invitation to Bid #02 for the Middle School of Plainville Renovations, issued by the Town of Plainville, Connecticut, through Downes Construction Company, LLC acting as Construction Manager. The addendum modifies and supplements the original bidding documents for a comprehensive renovation project located at 150 Northwest Drive, Plainville, CT, covering 31 individual bid packages across multiple construction trades and services. Two original bids in duplicate must be submitted to the Plainville Municipal Center, Town Manager's Office at 1 Central Square, Plainville, CT 06062, on Thursday, June 11, 2026, at 2:00 PM EST, with bids to be opened publicly thereafter. The project scope includes selective demolition, concrete work, structural steel, roofing, doors and hardware, drywall, acoustical ceilings, elevators, fire suppression systems, HVAC, electrical systems, plumbing, communications, and sitework. Interested bidders may request a building walk-through during off-school hours by contacting mspbid@downesco.com, and existing building drawings and as-builts are available via a provided ShareFile link for reference purposes.
This addendum provides clarifications and revisions to specific bid packages in response to 140 requests for information (RFIs) submitted by prospective bidders. Key modifications include revisions to the Structural Steel/Misc. Metals package regarding roof anchoring systems; Architectural Woodwork & Casework clarifications referencing KBA Supplement No. 2 regarding closet shelves, display cases, mailbox units, and mop racks; and responsibility allocations for roof wood blocking and sheathing to the Roofing & Sheetmetal package. Additional clarifications address automatic door operator provisions under the Doors, Frames & Hardware package with electrical pathways provided by the Electrical, Security & AV package; acoustical ceiling grid and panel responsibilities with HVAC responsible for flex hose connections; elevator warranty terms set at 18 months per Addendum 1; and fire suppression procedures including fire watch requirements during fire pump replacement and notification protocols for shutdowns during school occupancy. The project is subject to a state reimbursement rate of 65% and requires compliance with Connecticut prevailing wage requirements, DAS prequalification for applicable packages, and S/M/WBE set-asides for designated bid packages.
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Text version
MIDDLE SCHOOL OF PLAINVILLE
150 NORTHWEST DRIVE
PLAINVILLE, CT
STATE PROJECT NO. 110-0064 RNV
DOWNES CONSTRUCTION COMPANY
CONSTRUCTION MANAGER
ADDENDUM #03
TO
INVITATION TO BID #02
Middle School of Plainville
150 Northwest Drive
Plainville, CT
State Project No. 110-0064 RNV
APRIL 6, 2026
June 3, 2026
Bids are modified and/or supplemented as follows and should be included in the Subcontractor’s lump sum bid as it relates to their Bid Package Scope of Work:
GENERAL INFORMATION
All Bid Package Scopes of Work:
1. ALL BIDS FOR ALL BID PACKAGES ARE TO BE SUBMITTED in ORIGINAL duplicates at Plainville Municipal
Center – Town Managers Office located at 1 Central Square, Plainville, CT 06062, Attention Downes
Construction Company, LLC., on THURSDAY JUNE 11, 2026 AT 2:00PM EST. with the dates and times indicated above, after which time no further bids will be accepted. All bidders must include the
Project Name and Bid Package Number & Description marked clearly on the envelope, for example, ‘Middle School of Plainville – BP# 32.1 – Exterior Improvements’. Bids received will subsequently be opened publicly.
2. It is the responsibility of all bidders to review the drawings received against the Drawing List. If any drawings are missing from the bidding documents notify the Construction Manager immediately.
3. ALL Bidding Requirements listed in the original bidding documents remain as is, unless revised by the contents of this Addendum.
4. ALL Bidders should note that any unanswered pre-bid RFI’s up to this point will be answered in forthcoming addendum.
5. ALL Bidders can reference this link for access to existing building drawings and available as-builts for use as a guide only. https://downesconstruction.sharefile.com/public/share/web-s8ce40baf049c4713b2428598d19280bf
6. ALL Bidders who are interested in a walk-thru of the school building on off school hours only prior to submitting a bid shall contact mspbid@downesco.com.
REVISIONS AND/OR CLARIFICATION TO ALL BID PACKAGES. BIDDERS ARE RESPONSIBLE
TO REVIEW ALL QUESTIONS & ANSWERS AS WELL AS SCOPE CLARIFICATIONS.
Middle School of Plainville– Invitation To Bid #02
General:
Question: RFI #128 (General) – Reading through Addendum 2 and RFI #43 (General) claims there were original construction drawings for this school issued with this addendum but I do not see them attached? Answer: See link to existing building drawings located in Addendum #3.
Question: RFI #140 (General) What is the State reimbursement rate for this project? Answer: 65%
BP #2.2.1 Selective Demolition
Add item #89 RFI #54 Question: What scope owns the demo of the old Fire pump concrete pad and placement of the new one? Answer: BP #2.2.1 & BP #2.3.1
BP #2.3.1 Concrete
Add item #94 RFI #54 Question: What scope owns the demo of the old Fire pump concrete pad and placement
BP #2.5.1 Structural Steel/Misc. Metals
Revise Item #2 ADD Specification Section 077200 Roof Accessories* as it relates to this scope of work.
Add item #77. This Subcontractor is responsible to furnish and install the roof anchoring system as identified in
Specification 077200 Roof Accessories. Coordinate installation per phase with the Roofing Subcontractor.
BP #2.6.1 Architectural Woodwork & Casework
Add item #66 RFI #16 Question: Are there any closet shelf and poles – 6/A11.02. Answer: See KBA Supplement
No. 2 for indication of this detail in C108C.
Add item #67 RFI #17 Question: Are there any display cases – 4A/A11.02. Answer: See KBA Supplement No. 2 for elimination of details 4 and 4A on A11.02.
Add item #68 RFI #18 Question: Are there any Mailbox built ins – 1 thru 3/A11.02. Answer: See KBA
Supplement No. 2 for revisions to the mailbox units located in C108A.
Add item #69 RFI #19 Question: Are there any shelves with mop racks – 3/A9.03. Answer: See KBA Supplement
No. 2 for elimination of detail 3/A9.03.
BP #2.7.1 Roofing & Sheetmetal
Add item #75 RFI #44 Question: BP 2.9.1 Gypsum Drywall line item 51 states “There will be no additional compensation made for blocking required but not shown on the Contract Drawings”. Please provide a roof blocking allowance for BP 2.9.1 so that all bidders are carrying the same quantities. Answer: All roof wood blocking, wood sheathing etc. as shown on roofing detail pages are the responsibility of BP #2.7.1.
BP #2.8.1 Doors, Frames & Hardware (FO) (SMWBE)
Add item #73 RFI #67 Question: Which bid package is required to provide the STANLEY automatic door operators? Answer: BP #2.8.1 Doors, Frames & Hardware. BP #2.26.1 shall install and provide all pathways, wiring to a complete door operation.
BP #2.9.1 Gypsum Drywall
Add item #96 RFI #44 Question: BP 2.9.1 Gypsum Drywall line item 51 states “There will be no additional compensation made for blocking required but not shown on the Contract Drawings”. Please provide a roof blocking allowance for BP 2.9.1 so that all bidders are carrying the same quantities. Answer: All roof wood blocking, wood sheathing etc. as shown on roofing detail pages are the responsibility of BP #2.7.1.
Add item #97 RFI #85 Question: Line item 40 of Gypsum Drywall package states that “This subcontractor responsible to provide, maintain, and remove all temporary partitions and temporary doors”. Please provide a drawing that shows all of the temporary partitions that are to be removed from the enabling phase and well as the temporary partitions for phase 2. Answer: See Phasing Plan PH-1 included with Addendum #2.
BP #2.9.2 Acoustical Ceilings
Add item #65 RFI #69 Question: Ceiling plan legend indicates a dash pattern for the MP-2B ceiling types, Reflected ceiling plans show multiple locations in rooms E019G, E018, C015, C004A, C009, A014, A011, A010A, A006J, A006B, A006A, A006H, E107A, E108, E107B, E114, E115, E117A, E119, E120, E118, D114, D113B, D113A, D112A, D112B, D117, D118, D119, C110A, C109A, C109B, C104D, C108F, C111E, C111C, C112A, C117B, C114, B108, B106A, B106B, B105, B104F, B104A, B103A, B104B, B104D, B103, B102A, A123, A122A, A122B, A112, A113, A114, A115 with that dashed pattern but labeled MP-1A please confirm what is correct. Answer: Please see KBA Supplement No. 2 for revisions to the Ceiling Plan Legend.
Add item #66 RFI #70 Question: RCP shows Room C002 has ceiling labeled as MP-2B but the pattern for that ceiling is for MP-1 please confirm correct ceiling type. Answer: Please see KBA Supplement No. 2 for revisions to the Ceiling Plan Legend.
Add item #67 RFI #71 Question: RCP shows Room C109C has ceiling labeled as MP-1B but the pattern for that ceiling is for MP-2B please confirm correct ceiling type. Answer: Please see KBA Supplement No. 2 for revisions to the Ceiling Plan Legend.
Add item #68 RFI #100 Question: For MP-1A, MP-1B, and MP-2A, can you confirm that the acoustical contractor is responsible for furnishing the grid, trim, panels, insulation, and flex hoses. And the acoustical contractor is responsible for all aspects of the installation, with the exception of connecting the hoses? Answer: Correct, with the exception of the flex hoses which will be the responsibility of BP #2.23.1 HVAC. This Bid Package #2.9.2 shall be responsible for furnishing and installing the panels including layout, participating in MEP Coordination process and be present with the HVAC installer upon installation.
BP #2.10.1 Specialties & Equipment (SMWBE)
Revise Item #2 ADD Specification Section 083313 Coiling Counter Doors, 083326 Overhead Coiling Grilles to this scope of work.
BP #2.14.1 Elevator
Add item #64 RFI #129 There is a section on 2026-0406_Bid_Phs2_Specs Division 14 that states One Year
Warranty from substantial completion with a continuing maintenance contract option for 1 year however
Addendum 1 states 18 months. We are looking to verify the warranty is 18 months per addendum 1. Answer:
Warranty shall be 18 months.
Add item #65 RFI #132 There is no specific run time hours allocated in the bid for elevator run time. Should we be including a specific allowance of hours or will run time all be on a TM basis? Answer: The Bid Form will be revised in subsequent addendum.
Add item #66 RFI #136 The bid often references elevators as plural but when reading through the drawing and the spec specifically this looks to be just one elevator going into the existing hoistway of the current hydraulic elevator. Answer: There is (1) one elevator removal and replacement associated with this project.
BP #2.21.1 Fire Suppression
Add item #88 RFI #61 Question: Could you please confirm there is no work in the Gym D110A for fire protection.
Answer: Existing sprinkler heads to remain in Gym.
Add item #89 RFI #53 Question: When the Fire pump is getting replace and the new piping is getting install the entire building will be without protection for a while. Will fire watch be needed, and if so, who will be responsible. Answer: A fire watch will be required; this shall be planned during summer months or planned school breaks when school is not in session. An Allowance outside of this scope of work will be established for
Firewatch.
Add item #90 RFI #54 Question: What scope owns the demo of the old Fire pump concrete pad and placement
Add item #91 RFI #55 Question: During the walk thru there were existing fire hose cabinets, are those existing to remain. Answer: Existing fire hose cabinets to remain
Add item #92 RFI #56 Question: Are shutdowns allowed during the day to cap off lines while the school is occupied. Answer: Shutdowns will be allowed during school hours, notification to the Fire Marshals office the fire alarm monitoring company and CM via Shutdown Request form to be submitted directly to the DCC Project
Superintendent.
Add item #93 RFI #57 Question: If a phase area in the construction space is able to be isolated from the rest of the school, can this area be shut down during construction? Answer: Yes. Coordinate with BP #2.28.1.
BP #2.23.1 HVAC
Revise Item #2 ADD Specification Section 077200 Roof Accessories* as it relates to this scope of work.
Add item #129. This Subcontractor is responsible to furnish and install all roof penetration housings as identified in Specification 077200 Roof Accessories. Coordinate sizing prior to release and installation per phase with the
Roofing Subcontractor.
Add item #130 RFI #100 Question: For MP-1A, MP-1B, and MP-2A, can you confirm that the acoustical contractor is responsible for furnishing the grid, trim, panels, insulation, and flex hoses. And the acoustical contractor is responsible for all aspects of the installation, with the exception of connecting the hoses? Answer:
Correct, with the exception of the flex hoses which will be the responsibility of BP #2.23.1 HVAC. This Bid
Package #2.9.2 shall be responsible for furnishing and installing the panels including layout, participating in MEP
Coordination process and be present with the HVAC installer upon installation.
BP #2.26.1 Electrical, Security & AV
Add item #108 RFI #67 Question: Which bid package is required to provide the STANLEY automatic door operators? Answer: BP #2.8.1 Doors, Frames & Hardware. BP #2.26.1 shall install and provide all pathways, wiring to a complete door operation.
BP #2.27.1 Communications (SMWBE)
Add item #69 RFI #122 Question: Clarify permit fee costs. BP 2.27.1 SOW #16 and #38 contradict. Answer: See clarification posted within Addendum #2.
ATTACHMENTS AS INDICATED ABOVE
END ADDENDUM #03 – INVITATION TO BID #02
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