Questions_and_Answers_Roof_Replacement_Works_at_Three_Exisiting_Residential_Properties.pdf

QUESTIONS:

Oral Questions

1. Q. Is there timing on when the works will commence at each property?

A. The scheduled dates for 15E Roan road and 29B Leopards road is June 2018. However refer to statement of work for each residence on submittals and F.11 Deliverables in the solicitation document. Works cannot commence without the approval from Overseas Building Operations

(OBO) of the bidders deliverables.

2. Q. At what stage do we make material submissions? Is it when submitting our bids or after contract award?

A. Material submissions shall be made after contract award but before commencement of works.

3. Do we use the same products specifications as in the statement of work? This is because these products are not locally available.

A. Refer to statement of work 1.03 – Substitutions and product options. Bidders shall follow the guidelines as specified.

4. Q. Who removes the overhead electrical cables at properties with such installations?

A. The Government will remove all overhead cables and any standing polls before commencement of roofing works at all properties.

5. Q. The measurements on the drawings are not very visible for all properties. Can the Embassy send drawings in AutoCAD format for all the three properties?

A. The dimensions on the drawings shall be verified by the contractors. They provide the general idea of the building but the contractor shall ultimately be responsible for taking measurements.

6. Q. Do we have to replace the gutters, soffit, fascia and replacement of the ACM at that gable since they don’t look to be in good condition at 15E Roan road?

A. Yes. See amendment to the solicitation A00001 attached. The amendment also allows bidders to submit bids electronically.

Written Questions

1. Q. Applicable Standards

Kindly note that some links provided for standards contemplated for the contract are not functioning. Below are the responses we received.

EM 385-1-1 http://www.usace.army.mil/Safety-and-Occupational- Health/Safety-and-Health-Requirements-Manual/2015

Safety and Health Requirements Manual

NESHAP

Certification http://www.epa.gov/asbestos/asbestos-national-emissions-standard-hazardous-air-pollutants-neshap/2018

Item requested could not be found

UL580 http://blog.mbci.com/understanding-wind-uplift-testing-standing-seam-roof-systems/ 2018

Item requested could not be found

ASTM E 1680 https://www.astm.org/Standards/E1680.htm 2017 Error 404: Page Not Found

ASTM E 1646 https://www.astm.org/Standards/E1646.htm 2012 Error 404: Page Not Found

A. The product ID numbers are provided hence you can browse the page and key in the product ID which will produce the desired results.

2. Q. 15E ROAN ROAD

There is only one dimension shown on the drawing for the Flat Concrete Slab over

Entrance (3600). What is the other dimension?

A. The other dimension is approximately 2500 mm (contractor shall verify in field).

3. Q. GENERAL:

Is it possible to have the pitch for each particular roof?

A. The bidder can approximate the pitch from the plan view and section view drawings.

As noted previously, all dimensions shall be verified in field by the contractor.

No further written questions were sent prior or after the pre-proposal conference meeting deadline for submission. The deadline for submission of questions was Tuesday 13th March 2018 at 17:00hrs Local time.

http://www.usace.army.mil/Safety-and-Occupational-Health/Safety-and-Health-Requirements-Manual/2015 http://www.usace.army.mil/Safety-and-Occupational-Health/Safety-and-Health-Requirements-Manual/2015 http://www.epa.gov/asbestos/asbestos-national-emissions-standard-hazardous-air-pollutants-neshap/2018 http://www.epa.gov/asbestos/asbestos-national-emissions-standard-hazardous-air-pollutants-neshap/2018 http://blog.mbci.com/understanding-wind-uplift-testing-standing-seam-roof-systems/%202018 http://blog.mbci.com/understanding-wind-uplift-testing-standing-seam-roof-systems/%202018 https://www.astm.org/Standards/E1680.htm%202017 https://www.astm.org/Standards/E1646.htm%202012