Spec_Changes_due_to_RFI_(Buffalo_North_SATOC).pdf

W912P419B0015 Amendment No. 1

FY19 Buffalo North Breakwater

The following changes are made to the specifications:

1. Section 01 32 16, paragraph 1.2 c. (2) has been changed to the following:

(2) Clearly indicate the intended segment length in the construction schedule. Monitor weather forecasts to schedule work so that unfinished work will not be left exposed to damage due to adverse weather.

Repair any work unfinished work, left unprotected, and damaged due to adverse weather, at no cost to the Government.

2. Section 01 35 13, paragraph 1.2.2.2 b. has been changed to the following:

b. Begin work at Sta. 15+00 and work towards Sta. 22+00. All excavation may be completed first if it can be completed within 2 consecutive calendar days.

3. Section 31 00 00

a. Paragraph 1.3 c. (1) has been changed to the following:

(1) Perform a survey after the 3' concrete cap and curbing has been placed, Perform this survey by obtaining; (1) a data point every 5' along the curbing center line, at all corners and all intersections of the curbing; (2) a data point at the toe of the curb on the new concrete cap, immediately adjacent to the data point on the curb center line (This will be either 1 or 2 data points, location dependent) and including the toe of the raised concrete pad for the navigation light, and (3) collect a minimum of 8 data points on the concrete cap, evenly distributed, within each smaller area surrounded by the curbing Perform this survey prior to the placement of any pea gravel. This survey will also be considered as the before survey for the pea gravel calculation.

b. Paragraph 3.2 a. has the following sub paragraph inserted:

(1) Only plan view plots of elevations are required for the after surveys of the concrete cap and curbing, and pea gravel.