Need drainage repair to get moisture out from under your home or near the foundation? Call 415-457-5658 for a prompt, reliable estimate from our experienced estimator. RWR has been fixing drainage problems to create dry crawl spaces and dry foundations in the San Francisco Bay Area for over 24 years.

Here’s the kind of detailed estimate you can rely on, to correct drainage and foundation problems and perform structural work to get your home on solid footing.

Estimate for Trench Excavation for installation of new Gas Line

This estimate is for excavation of a trench for installation of a new gas line by others. It includes demo of asphalt and off haul along with the repair of the asphalt. Our price includes all labor and material to complete the work as per the itemized Scope of Work below.

Scope of Work
Mobilization and Layout
• Mobilize to jobsite.
• Contractor to provide Layout.
• Final Cleanup

Grubb and Demo Asphalt
• Grubb existing hillside for trench installation
• Saw cut asphalt approximately 32 linear ft of saw cut.
• Demo and remove asphalt approximately 3ft wide by 16 linear ft.
• Off haul debris from site.

Excavation
• Excavate in street a trench approximately 2 ft down by 2 ft wide by 16 linear ft and continue trench up the hill approximately an additional 15 linear ft.
• Backfill with native soil in trench on hill
• Off haul spoils from site
Backfill/ Compaction and Road Repair
• Backfill trench with road base per city specifications. Compact as necessary.
• Patch asphalt as necessary with a maximum of 3” of asphalt 16ft x 2ft.

Note: Bid assumes the necessary permits for trenching will be obtained by owner or contractor. It is acting as sub-contractor. Bid assumes trench will be opened and closed on same day.

Exclusions
• Cost of plans, permit, bonds, testing and inspections.
• Increased cost of excavation due to hard rock, underground water or caving soils. (Hard rock excavation is defined as material that cannot be excavated with a conventional backhoe or excavator bucket.)
• Any work on utilities including buried pipes or irrigation pipes.
• Replacement of damaged landscaping.
• Excavation and off hauling of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Any Drainage
• Electrical or Plumbing
• Compaction of any soils not outlined in this proposal.
• Importation of backfill material except as noted.