A slab, walk, driveway, retaining feature or masonry repair performs as a complete assembly. In Boring, the scope should define excavation, base, drainage, dimensions, reinforcement, joints, finish, access and curing before price comparison. Confirm parcel-specific review with Clackamas County and verify the contractor through Oregon CCB.
For a Boring property, map the placement area and equipment route, then document excavation, soil support, base compaction, runoff direction, slab or wall geometry, reinforcement, joint layout, curing controls and the test or inspection that accepts the finished assembly.
Remove organic material and identify fill, soft areas, roots and water before final price. Specify excavation, base material, depth and compaction. For uncertain soil, use a measured unit rate for approved over-excavation rather than a broad contingency. A strong surface over an unstable base can still settle.
Record roof discharge, yard drainage, slopes, foundations and downhill relationships. Show where runoff from the finished surface travels. Walls need drainage and a reliable outlet when required. The proposal should not solve one puddle by directing water toward a building or neighboring property.
Provide footprint, thickness, steps, edges, wall height and key finished elevations. Check doors, garage slabs, walks and boundaries. A dimensioned sketch gives forms an objective layout and shows whether access remains usable. Field interpretation without control points can create drainage reversals.
State reinforcing material, spacing, support and relationship to retained work. Define isolation, control and construction joints. Reinforcement affects crack behavior but does not remove shrinkage or soil movement. Explain whether dowels connect assemblies or a joint allows independent movement.
Retaining walls depend on height, surcharge, soil, footing, reinforcement and water management. Confirm design and permit review for the parcel. The scope should show drainage material, outlets, backfill and surface-water control rather than pricing only visible block or concrete.
Broom, trowel, exposed aggregate and decorative finishes differ in traction, maintenance and repairability. Approve a sample or clear reference and state edge treatment, color expectations and acceptable variation. Identify sealer product, timing and maintenance when one is proposed.
Document truck or pump access, gates, overhead lines, landscaping, occupied routes, demolition hauling and washout. Identify who protects and restores paving, lawn and finishes. The placement plan affects labor and joint locations and therefore belongs in the bid.
Follow mix and product requirements for placement temperature, wind, rain, finishing and curing. Ask how fresh work is protected and when foot, vehicle or construction loads return. Collect material information, inspection results, photographs, cure guidance and warranties before final payment.
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Confirm the exact parcel and scope rather than relying on a generic exemption.
Homeowners can verify contractor license and available history.
Slope, base, wall drainage and outlets should be explicit before placement.
| Work | Primary risk | Bid evidence |
|---|---|---|
| Outdoor living slab | Runoff reaches structures | Spot elevations and drainage route |
| Vehicle approach | Edge failure under turning loads | Prepared width, thickened edges and joint plan |
| Landscape wall | Backfill traps water | Foundation detail, drainage stone and outlet |
| Localized restoration | New patch follows an active crack | Movement record, cut limits and bond method |
Separate demolition, hauling, excavation, base, drainage, forms, reinforcement, concrete or masonry, finish, pumping, access protection, curing, permit duties and restoration. Site evidence matters more than unsupported unit prices.
Thickness depends on use, loads and design; require the proposed dimension in writing.
No. Base, water control, joints, placement and cure also matter.
Record finished slopes, adjacent grades, wall drainage and intended outlets.
Confirm height, loads, location and current requirements for the parcel.
Match the legal business and CCB number to Oregon's public record.
Photograph and measure it, then approve excavation and base correction before placement.
Follow mix, weather and cure instructions for the intended load.
Keep materials, changes, inspection records, photographs, cure instructions and warranties.
Share dimensions, photographs, intended loads, access and drainage concerns for comparable proposals.
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