Addendum No. 01 2020-07-23.pdf
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- Solicitation number
- RFQ 171 200000000290 4
- Issued by
- Barry County, Michigan
About this file
This is an addendum to a construction contract issued by the Michigan Department of Transportation (MDOT) for the Well & Filtration System Replacement and Building Addition project at the MDOT Welcome Center on I-69 Northbound in Coldwater, Michigan (DTMB File No. 591/19213.CDP, MDOT Program No. 209317EPE). The addendum, dated July 23, 2020, modifies the bidding and contract documents and must be acknowledged by bidders on their bid forms. Key modifications include clarification that the drinking water capacity referenced in the advertisement requires verification in the construction documents, and the contractor must furnish two temporary storage containers measuring 20 feet by 8 feet by 8.5 feet with lockable doors, ramps, and insurance for the Owner's use during construction, remaining on site for the full duration of construction disruption. Additionally, the contractor must include all excavation, disposal, and fill work in the base bid rather than providing separate unit pricing for excavated poor soils and engineered fill. The addendum also removes the requirement to reinstate existing storage building lighting, instead specifying that new LED lighting matching the addition design must be provided.
The addendum contains multiple revisions to construction documents, including replacements of Civil Sheet C101, Plumbing Sheet P601, and Electrical Sheets E101, E102, E601, E602, E603, and E605, all dated July 23, 2020. These revisions address paving requirements, removal of a yard hydrant, preservation of a large oak tree, pressure differential devices, electrical grounding and panel modifications, exhaust fan schematic changes, and lighting fixture treatment. Additionally, Specification Section 06 74 13 regarding Fiberglass Reinforced Gratings has been deleted as the information is covered under Specification Section 06 82 00 for Glass Fiber Reinforced Plastics.
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g.h. forbes associates 28000 Woodward Ave, Ste 202, Royal Oak, MI 48067 www.ghfaa.com 248.542.7866
ADDENDUM NO. 01
July 23, 2020
Project: Well & Filtration System Replacement / Building Addition MDOT Welcome Center
I-69 Northbound Coldwater, MI 49036
DTMB File No. 591/19213.CDP MDOT Program No. 209317EPE
The Bidder shall acknowledge the receipt of this Addendum on the Bid Forms in the place provided. All items of this Addendum shall be fully incorporated into the Bidding/Contract Documents and have the same force and effect as though originally included.
1. The 105 gallons of drinking water per minute referenced on the Advertisement is incorrect. Refer to the Construction Documents for the correct volume.
2.
The Contractor shall furnish two (2) temporary storage containers (20’ length x 8’ width x 8.5’ height, min. size each) with a lockable door (overhead or swinging) for exclusive use by the Owner. The containers shall be placed on site where directed by the Owner. The door and container interior minimum clearance shall be 6’-10” wide x 7’-6” high. Include ramps for the Owner to wheel equipment (e.g. lawn tractor) into the storage containers.
Slope on the ramp shall not exceed 3:12. Include contents and unit insurance. Allow the Owner a minimum of two weeks to remove materials from the existing Storage Building to these containers before commencing work on the Storage Building. The storage containers shall remain on-site and in-place for the full duration of construction disruption, unless directed otherwise by Owner.
3. Delete the requirement listed in MichSpec Section 00300 – 5 Schedule of Change Order
Prices to provide unit pricing for Excavated Poor Soils and for Engineered Fill. All necessary excavation, disposal and fill shall be included in the Base Bid. (Please note the soil removal at the tree root are shown on S101.)
4. Replace Civil Sheet C101 in kind with Revised Sheet C101 dated 7/23/2020. Refer to the Drawing for revised paving requirements, removal of a yard hydrant and keeping the large oak tree.
5. Replace Plumbing Sheet P601 in kind with Revised Sheet P601 dated 7/23/2020. Refer to the Drawing for revised pressure differential devices.
6. Replace Electrical Sheet E101 in kind with Revised Sheet E101 dated 7/23/2020. Refer to the Drawing for revised grounding for Panel E.
7. Replace Electrical Sheet E102 in kind with Revised Sheet E102 dated 7/23/2020. Refer to the Drawing for revised power circuit for existing storage are lighting, replacement of existing storage area lighting, and location of existing storage area electrical panel (to be abandoned). Modification to Sheet Note 5 and addition of Notes 6-8.
8. Replace Electrical Sheet E601 in kind with Revised Sheet E601 dated 7/23/2020. Refer to the Drawing for revisions to the Panel E Schedule related to power for the existing storage area.
9. Replace Electrical Sheet E602 in kind with Revised Sheet E602 dated 7/23/2020. Refer to the Drawing for changes to the schematic for Exhaust Fan EF-1.
10. Replace Electrical Sheet E603 in kind with Revised Sheet E603 dated 7/23/2020. Refer to the Drawing for revisions to the Main Control Panel (filtration equipment) power feed.
11. Replace Electrical Sheet E605 in kind with Revised Sheet E605 dated 7/23/2020. Refer to the Drawing for modification to Sheet Note 2 and changes to existing storage room light fixture treatment. In lieu of reinstallation of the existing Storage Building lighting, provide new LED lighting to match that shown in the new Addition – typical of 6.
12. In lieu of reinstallation of the existing Storage Building lighting, provide new LED lighting to match that shown in the new Addition – typical of 6.
13. Deleted Specification Section 06 74 13 “Fiberglass Reinforced Gratings.” (This information is covered by Specification Section 06 82 00 “Glass Fiber Reinforced Plastics.”)
G.H. Forbes Associates
SWG 23-JUL-2020
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