GHAD 2024_REV - 2024 Geotechnical Hazard Abatement District (GHAD) Maintenance

**In order to be an eligible bidder, interested bidders must contact the City and request to be added to the bidders list. Please see the Notice to Bidders for more information.**

The City of Pleasanton is seeking bids for geologic hazard abatement district (GHAD) maintenance services at the City’s four GHAD districts.

In general, the services include (but may not be limited to) the following work in undeveloped open space areas with limited equipment or vehicle access:

• Removal of weeds, leaves, soil, moss, and debris within and adjacent to concrete-lined drainage ditches;
• Trimming and removal of vegetation to clear drainage swales and provide downward flow without ponding;
• Correction of surficial erosion or landslide scars on graded slopes including placement of soil, installation of fiber rolls, and/or installation of erosion control blanket on exposed soil;
• Filling/regrading of rodent burrows that obstruct storm flow patterns;
• Cleaning/clearing/dewatering of stormwater inlets and openings that serve hillside ditch networks;
• Minor repairs to concrete structures such as ditches, storm inlets, or retaining walls where non-structural cracking or displacement has occurred;
• Removal and legal disposal of trash and debris;
• Demolition of minor concrete, drainage ditches and sidewalk;
• Installation of concrete drainage ditches;
• Installation of new sidewalk;
• Relocation of existing landscape irrigation;
• Installation of grated curb drain;
• Filling/regrading of soil to restore graded slopes to drain
• Installation of asphalt concrete berm/curb;

• Laurel Creek GHAD (121 parcels),
• Moller Ranch GHAD (100 parcels),
• Lemoine Ranch GHAD (12 parcels), and
• Oak Tree Farm GHAD (42 parcels).