W912ES20Q0003-0001 Page 3 Revised.pdf

Section 00 00 00 - Procurement and Contracting Requirements

STATEMENT OF WORK

1.1

HOMMEDAM

SPILLWAY JOINT SEALANT

REPAIRS

1.2

1.3

SCOPE OF WORK

GENERAL

The work shall consist of removing the current joint sealant, backer rod, and Turbo Seal, clean and prepare the joints, and properly install a polyurethane grout/ expansive rope and a joint sealant. The contractor shall be aware that the joint repair work includes all expansion joints (EJ) and construction joints (CJ) extending a minimum of 2 feet upstream of the ogee crest to the end sill at the downstream end of the stilling basin at Homme Dam near Park River, ND. The Contractor shall be responsible for all equipment, materials, labor and other items and services required to accomplish the work.

GOVERNMENT RESPONSIBILITY

Starting on O 1 September the Corps of Engineers will start drawing the Homme Dam pool down 3 feet below the top of the ogee crest, exposing the upstream ogee crest expansion and contraction joints, for the work to be performed.

CONSTRUCTION SCHEDULE

Pre-construction activities shall start a within of 15 days after Notice to Proceed. Pre-construction activities are defined as, but not limited to: any work conducted off-site such as the Pre- construction meeting and construction submittals. All on site work shall be completed between contract award and October 1st. The downstream spillway concrete surface remains mostly dry for the majority of the summer months.

However, it should be noted that an extreme rain fall events could result in a pool rise, which may require a work stoppage to allow water over the spillway. For bidding purposes the contractor shall assume this extreme rain fall event will not occur. The contractor shall assume to complete the downstream spillway and stilling basin joints prior to 01 September, and to complete the remaining upstream joints for after the drawdown has occurred.

1.4 ACCESS

Access gates to the spillway are located on each side of the spillway approximately 70 feet down from the spillway crest. The contractor shall erect on one side temporary scaffolding with stairs from on top of the dam abutment wall down to the spillway. The concrete spillway surface, shall be cleaned to provide a safe walking surface. All debris, such as driftwood, shall be removed prior to joint preparation. The Government will supply a Flygt 3153 pump to dewater the stilling basin. The contractor shall supply a 30kw generator with a minimum capacity of 14 AMPS to