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"Thanks David Anderson Construction, Inc., for your hard work and dedication to my vision and dream...", Robert Turner., Escondido, CA

Consulting Information:
(OSI) One Source Inspection & Consulting


OSI can design a quality control inspection program to meet the schedule and budget of your projects. Let us show you how we can help improve construction quality, reduce customer service call backs, increase subcontractor productivity and reduce your risk of litigation.

Your constrcuction inspection program can vary from intensive (several times per week for attached multifamily projects with full documentation) to periodic spot checks occurring three to five times per phase at key points during construction of a single family detached project. Inspections are intended to ensure that plan requirements are being addressed and that field installations meet with accepted construction pratices and are consistent with manufactures' product installation recommendations. After Project Completion, OSI provides comprehensive written and photographic record illustrating installation of key trades. In case of smaller developments or custom homes, a detailed record can be a valuable sales tool, demonstarting to the perspective buyer the level of quality and care embodied in their home's construction.

Our Staff is Experienced in locating sources of water intrusion at walls, potshelf and window assemblies and roofs. Visual Inspection and controlled water testing can be used to locate and evaluate many leaks with a minimum amount of destructive testing. During the repair phase of a project, it may be possible to document the underlying conditions and thereby allow later assessment of responsibility for repair costs. OSI has a proven track record in water intrusion analysis, having worked with some of California's most prominent builders and developers since 1989 to locate and successfully resolve leak problems.


Foundation Inspection:
Photo and Document footing Sizes, location of footings, rebar clearances, base under slab and all bolts.
2 Hours Inspection Time, 1 Hour Organize Photos and Reports, Price for Photos.

Exterior Wall Inspection:
Photo Documentation exterior plywood size, location, thickness, nail spacing and all exterior straps. Anything that will be covered by lath paper or siding paper will documented.
1/2 Hour Inspection Time, 1/2 Hour Organize Photos and Reports, Price for Photo

Framing Inspection:
This Inspection is the most time consuming; OSI will take photos and document everything from framing, plumbing, mechanical, electrical, code issues and any special items in every wall. OSI will take photos and document lath paper and wire for any nail or staple penetrations, tears or rips. At this time OSI will take photos and document the roof felt, flashing and all roof penetrations including the fireplace cap for proper flow and attachment.
5 to 7 Hours Inspection Time, 3-4 Hours Organize Photos and Reports, Price for Photo

Drywall Inspection:
OSI will take photos and document edge metal attachment, nail or screw spacing and thickness for firewalls. 1/2 to 1 Hour Inspection Time, 1/2 Hour Organize Photos and Reports, Price for Photo Final Inspection: OSI will take photos and document on/off devices interior and exterior doors for proper reveals, floor and counter top tile for cracks and hollow sounds, exterior landscape, exterior walls and much more.
3 to 4 Hours Inspection Time, 1 1/2 to 2 Hours Organize Photos and Reports, Price for Photo

Call Us (760) 207-8333


David Anderson | P.O. Box 1905 Ramona Ca | Phone (760) 207-8333 | Fax (760) 789-2164