DATE: July 27, 2017
TO: Board of Mayor and Aldermen
FROM: Eric Stuckey, City Administrator
Mark Hilty, Assistant City Administrator for Public Works
Michelle Hatcher, P.E., Director of Water Management
Patricia McNeese, Utilities Project Manager
SUBJECT:
title
Consideration of Change Order No. 1 to the Goose Creek Sanitary Sewer Project from West I65 to East I65 (COF Contract No. 2015-0070) with Dynamic Construction for a Time Extension of 60 days (07/27/17 CIC 3-0)
body
Purpose
The purpose of this memorandum is to provide information to the Franklin Board of Mayor and Aldermen (BOMA) concerning Change Order No. 1 to the Goose Creek Sanitary Sewer Project from West I65 to East I65 (COF Contract No. 2015-0070) with Dynamic Construction for a Time Extension of 60 days.
Background
Several factors have arisen outside of the control of the contractor that have caused the need for a time extension. These factors include 1) delays in fabricating the 42-inch bore head while going through an approval process with the City; 2) delays due to extra depth excavation on one of the manholes because of discrepancies between existing and proposed manhole depths; 3) damage inflicted to an unmarked water line; and 4) correction of existing 16" casing under Ag Lane that was originally installed incorrectly.
The project was originally bid with a 54-inch Liner Plate Tunnel to be installed under I65. After the bid was awarded to Dynamic Construction, they requested to change this to bore under I65 with a 42-inch casing pipe. Certain conditions had to be met for this change to be considered. 1) Approvals had to be obtained from TDOT for the method change from tunneling to boring; 2) contractor had to present a cost savings associated with the reduction from in casing size; 3) contractor had to submit a casing spacer detail for approval. These conditions were met and submitted to the City for approval. The approval of the 42-inch bore took a consider...
Click here for full text