RFP936300-01 - ISD Infirmary Roof Design - Addendum 02.pdf

To: Prospective Offerors Date: December 14th, 2023

From: Michael Bradbury, Issuing Officer Iowa Department of Administrative Services-Central Procurement Phone 515-823-9327; e-mail: construction.procurement@iowa.gov RE: Addendum No. 2, to Design RFP936300-01, DOE ISD Infirmary Roof Replacement

The following additions, changes, and clarifications are hereby made by this Addendum.

Revisions to original scope:

1) No Items

Addition to original scope:

Questions:

1) Has an initial budget been established? A> Yes, the initial budget for construction is estimated at $107,000.

2) Are the small, ballasted roofs included in the project? A> Yes

3) Will roof cores be provided or does the design team need to schedule that? A> Core samples and hazardous material testing will be provided and scheduled by the owner. The selected design team shall coordinate the recommended locations of the core samples.

4) Will this be a total roof replacement or is a roof recovery a possibility? A> The intent is for total roof replacement, but the State will consider recommendations from the selected design team.

5) Does the facility have a hazardous material survey for the building, or will one be done during the project? A> The State has some hazardous material survey information, but additional testing will be done by the owner.

6) What length of warranty will be required for the project, 20 or 25 years? A> 25

7) What type of wind speed warranty will be required for the project 55 mph or 72 mph? A> Refer to building code.

8) Is there a preference on membrane type EPDM or TPO? A> The State currently prefers that

EPDM be utilized for the project but will review recommendations provided by the selected design firm.

9) Is there a preference on attachment type Fully Adhered or Mechanically Fastened? A> The State will review the selected design firms recommendations of attachment during the initial design phase of the project.

10) Is the tuckpointing limited to the backside of the parapet wall and the stone cap? A> Yes, but the

State reserves the right to negotiate additional design services if further design beyond the backside of the parapet wall and stone cap is recommended by the selected design firm.

11) The introduction states to identify reimbursable charges. Section 1.3.31 states reimbursables shall be included in the lump sum? A> Include the reimbursables in the lump sum.

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12) Please clarify if reimbursables are to be included in fee. A> Yes, include reimbursables in the fee. 1.3.31 asks for a breakdown by phase for the fee. The introduction states to provide hourly rates and anticipated hours by position. Please clarify how fee should be represented? A> The fee should be broken down into the four phases noted in 1.3.31. The respondents to the RFP should also provide hourly rates and anticipated hours in their proposal.

13) Can the hazardous materials survey be coordinated with the consultant’s kickoff meeting/initial field evaluation so consultant can verify roof assembly composition? A> Yes

14) Assume DAS/Construction Manager will also employ a roofing contractor to do core cuts and patch the cuts to be watertight over the winter at time of the hazardous materials survey? A>

Yes, Design would be asked to coordinate location of core samples.

15) There is no apparent metal through-wall flashing under the existing stone coping as is typically observed. Assume removal of coping and installing of new metal through wall-flashing is not in project? A> This item would be reviewed under the recommendation of the selected design firm.

16) The existing stone caps are soiled. Cleaning of the existing stone coping is not included in the project scope – correct? A> This item would be reviewed under the recommendation of the selected design firm.

Additional Information:

1) No Items

Attachments:

Please acknowledge this Addendum #2 in your proposals. Thank You

End of Addendum