Amendment.pdf

AMENDMENT OF SOLICITATION

Replace Roof – Bldg 08 Work Order No. 1332554

Replace Roof – Bldg 09 Work Order No. 1332558

NSA, Mechanicsburg, PA

N40085-13-C-XXXX

Changes to Both Bldg 08 Roof and Bldg 09 Roof:

1. Two independent projects have been prepared, one for Bldg 08 Roof Replacement and one for Bldg 09 Roof Replacement. These projects are being combined into one construction contract. Certain requirements that are common to each Bldg may be combined such as; one superintendent and one QC Manager/Site Safety & Health Officer may oversee both projects, one Accident Prevention Plan and one QC Plan may be prepared covering both Bldgs, material submittals do not have to be duplicated for each Bldg, Environmental Plan and AHA’s. All other requirements shall be met for each Bldg independently; examples are: Certified payrolls, Construction schedule, Daily reports and Waste disposal records. One Schedule of Prices may be prepared as long as each Bldg is tabulated separately. The Contractor’s Performance Statement shall be prepared in the same format.

2. Section 01 14 00 paragraph 1.2.1.2 and Section 01 30 00 paragraph 1.3.2 regarding ID badges has been changed. Refer to the contract Solicitation for the current requirements for ID badges. There is a charge for the Rapid Gates system.

3. The contract numbers listed on the specifications, and in Section 01 33 00 page 12, and on the construction drawings shall be disregarded. The new contract number is N40085-13-C-XXXX. (See the Solicitation)

4. Section 01 45 02 paragraph 1.5.1.2 indicates that the QC Manager shall have 10 years of experience. Revise this to five years of experience.

5. In section 072200, paragraphs 1.4.2 list mechanically fastening the base sheet. Do not use mechanical fasteners on the gypsum deck. Section 07 53 23 paragraph 2.1.4 lists spray applied adhesive. Spray application of adhesive is also not permitted. Use bead applied adhesive. The bead application rate shall be in accordance with the manufacturer’s recommendations to meet FM I-90 requirements. The contractor shall perform pull tests in accordance with the manufacturer’s requirements. The EPDM roofing membrane shall be adhered with bonding adhesive.

8. Section 07 60 00 paragraph 2.1.5.2 lists sheet metal colors. The sheet metal colors shall as selected by the Contracting Officer.

7. Detail 2 on sheet 8 Bldg 08) and detail 2 on sheet 9 (Bldg 09) shows Exterior Insulation & Finish System (EIFS) to be installed on the face of the new parapets. Delete EIFS and also delete Section 07 24 00 “Exterior Insulation & Finish System”. Instead, install aluminum wall panel as specified in attached Specification Section 07 42 13, Metal Wall Panels. The color shall be as selected by the Contracting Officer.

8. The street light heads have been replaced with LED lights. These LED light heads shall be reused. The remainder of the street light system; support arms, conduit and wiring shall be replaced as shown on the drawings.

9. Sheet 5 in each set of drawings shows four linear feet of safety railing to be installed on each side of the new building ladders. Revise this to 6 linear feet of safety rail on each side of the ladders. The building ladders shall also have an intermediate landing in accordance with OSHA requirements. The intermediate landing on the ladder for Bldg 09 shall be positioned immediately above the roof surface of the boiler room with access on to this roof.

10. Sheet 4 of 13, Building 8 and Sheet 4 of 15, Building 9 indicates existing roof drains to be removed and holes enclosed. Remove roof drains as indicated, but new roof drains shall be provided at existing locations; therefore existing holes do not require opening to be enclosed. Connect new roof drains to existing leaders.

Disregard note on Sheet 5 of 13, Building 8 to “Locate roof drains 2’ minimum from parapet”.

Additionally, provide new overflow scuppers at each roof drain similar to attached Overflow Scupper Detail - C5. Scupper size shall be 4” high by 12” wide.

11. A Water Meter Collector Device has been installed on Bldg 09 Roof approximately at bay F-16. This device is mounted on plywood and setting on the existing roof with weights, no fasteners into the roof. There is a ground wire from the device to the ladder.

This device must be removed and then reset after the new roofing is completed.

12. Sheet 5 of 15 for Bldg 09 contains a note that states, “NAVY TO PROVIDE INFO ON POSSIBLE RELOCATION”. One of the existing hot stacks has been relocated to bay F-23.

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