Additional Questions and Answers 0004

140R4026R0025
East Canal Water Efficiency Improvements
Questions and Answers

Question

BOR Response

Wage Determination - Spec 01 11 00 identifies all four work areas as being in Delta County; however, the attached wage determinations, CO20260003 (Heavy) and CO20260001
(Building), are for Montrose County. Please confirm which wage determination(s) govern the work under this contract. Contract Award, Notice to Proceed, and Canal Outage
Windows
Substantial Completion is identified as April 1, 2028, and in-canal work is limited to November 1 through April 1. Please provide the anticipated Contract Award and Notice to Proceed dates. Please also confirm whether all in-canal work is required to be completed during a single outage period and clarify how weather-related delays affecting concrete placement during the outage window will be addressed.

WD CO20260001 (Building) was removed via
amendment 2. WDCO20260003 (Heavy) covers
both Delta and Montrose counties and is the sole
wage determination that governs the work under
this contract.
The anticipated period of performance is
1/25/2027-11/01/2028. The notice to proceed will
be provided within 21 calendar days of the period
of performance start date. Refer to Specification
Section 01 11 00 1.03 - "Work Restrictions and
Limitations" for limitations on when "In-Canal"
work can be performed. See Specification Section
03 30 00 for requirements of concrete placements
during hot and cold weather conditions. The
contractor is required to complete all work within
the period of performance. Allowance will only be
made for unforeseeable delays as defined in FAR
52.249-10.
Refer to Spec Section 33 11 18 1.01 for payment
basis of diversion pipeline dewatering. Refer to
Spec Section 01 57 30 for permit requirements of
water discharge.

Dewatering – 36-inch Diversion Pipeline
The profiles indicate saturated soils approximately 1 to 10 feet below grade along much of the diversion pipeline
alignment. Separate bid items address removal and control of water at individual structures, and Spec 33 11 18 includes siphon dewatering in the siphon pipe price; however, the payment basis for diversion pipeline trench dewatering is unclear. Please confirm whether diversion pipeline
dewatering is incidental to CLIN 41. Please also identify any applicable discharge permitting or water-quality
requirements.
Excavation Design Plan – Sta. 1+00–6+00 and Sta. 12+50–