Site work for a bridge / tunnel in Dos Palos, California. Completed plans call for site work for a bridge / tunnel.

Demolition of existing pipe culverts, installation of reinforced concrete pipe, compacted embankment, and road repair. Bonds: 10% Bid Bond, Certified Check required, 100% Performance Bond, 100% Payment Bond. Estimated Construction Budget: $800,000 - $1,120,000 *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document. The work is located in Merced County near Dos Palos, California. The work consists of demolishing and removing existing culverts at five (5) road crossing locations, constructing new reinforced concrete pipe culverts, road repairs, backfilling and re-grading the canals and drains. The pipe crossing locations shall be slurry backfill at the upstream ends and rip rap slope protection placed at the downstream ends of the culverts. One crossing location requires connecting to existing concrete structures with connection collars. One crossing requires sheetpile headwalls on the upstream and downstream side. The Contractor shall remove, haul, and dispose of all existing pipe, structures, asphalt and concrete to be demolished. Payment for this work will be made at the applicable lump sum prices bid therefore in the Schedule for Demolition. District canals and drains are in operation a majority of the calendar year and are only dewatered for maintenance during certain winter months. The District does not conclude irrigation deliveries until mid -November at the earliest. Therefore, the Contractor should consider the possibility that wet soil conditions will be encountered at the start of construction. Groundwater may be encountered in the excavations. Dewatering provisions, including but not limited to drain rock and temporary dewatering pumps, shall be employed by the Contractor as needed. If necessary, dewatering pump operation shall be maintained continuously to keep the excavations dry. Dewatering pumps shall be discharged into the canals away from the excavation or as otherwise directed by the District. If necessary, temporary earth berms shall be placed in the canals and drains to prevent pumped water from flowing back into the excavations. separate or additional payment will be made for dewatering provisions. The cost thereof shall be included in the applicable unit price for reinforced concrete pipe.