Marr B. Olsen Inc.

Core Emphasis in Structural Concrete Residential foundations Drilled piers Retaining walls Shotcrete Walls, Finished/Unfinished Grade beams, spread footings Slabs on grade, Mat Slabs, False work slabs, Pan deck slabs Commercial foundations Drilled piers Retaining walls Grade beams, spread footings Slabs on grade, Mat Slabs, False work slabs, Pan deck slabs Concrete columns Site concrete Drilled piers Retaining walls (including board formed finishes) Seat Walls Grade beams, spread footings Abutments, Generator Pads, Storm retention basins Flatwork Concrete Patios Concrete stairs Pool decks and coping Concrete curbs and gutter pans Driveways and aprons Concrete swales All ADA concrete Landings Sidewalks Ramps Truncated domes Grooving for traction control on steep concrete grades Architectural Finishes Integrated Color Acid etching Topcast Salt finish Sand blasting Seeded and washed mixes Broomed Stamping Sawcut joints Ancillary Services Drainage Drain mats – Mira drain Perforated wall drains Tight line for downspouts Civil drainage – Pipe, DI’s, dissipaters, rock outfalls etc. Concrete swales Graded swales Erosion control Waterproofing Integral in mix (xypex) Surface Applied Membrane (Paraseal LG) Excavation / Grading Mass Excavation Pad Grading and compaction Footing excavation Utility trenching and backfill Dirt spoils off haul Erosion Control Clear and Grub Soil Shoring Permeation grouting Soil nails Tiebacks Shotcrete Lagging Walls Demolition Concrete breakout and removal Existing structure removal Off Haul Rubble Service Area We have an excellent fleet of trucks, drill rigs, tractors, concrete pumps, excavators, and steel fabrication equipment to deliver flexible onsite service to our customers. Our flatwork crews are proficient at a variety of finishes including, colored and or textured surfaces of driveways, walkways, porches, steps, landings and more. We proudly serve a 50 mile radius including but not limited to: Marin, Sonoma, Napa Counties