Washington is an inland Tazewell County city with separate Engineering and Public Works functions. Its GIS and municipal responsibilities give homeowners a practical way to resolve infrastructure questions before a contractor moves concrete.
What Washington’s public sources add
The City departments include Engineering and Public Works. Washington’s GIS page says mapping supports planning, zoning, code enforcement, engineering and economic development, and that streets, sanitary sewer, water and storm sewer systems are being systematically mapped.
The municipal code assigns sidewalk, curb-and-gutter repair and stormwater management functions to Public Works. Those facts do not answer whether one driveway needs a permit. They identify the right questions and offices for the exact parcel.
Resolve the edge between private and public work
A driveway may meet a sidewalk, curb, gutter or public approach. A low walk may sit within a right of way even when the homeowner maintains the surrounding yard. Before a private provider drills, confirm ownership, maintenance responsibility, required approval and restoration detail.
Ask the City whether its mapped infrastructure or planned work affects the slab. If water, sewer or roadway work is scheduled, lifting immediately beforehand may be poor sequencing. Record the answer in the quote.
Map the water route
Outdoor concrete should direct water safely. Photograph the slab after rain and note downspouts, swales, curb flow, inlets, sediment and low edges. Ask where water will go when the slab is raised. The target can be constrained by a garage, door, public gutter, adjoining panel or property boundary.
A stormwater map does not diagnose base failure. It helps identify receiving systems and public questions. The contractor still needs to inspect joints, voids, erosion, fill and evidence of continuing movement.
Decide whether lifting is appropriate
Lifting preserves existing concrete. That is valuable only when the slab remains serviceable. Check surface deterioration, deep cracks, unstable fragments, reinforcement and fixed edges. Replacement may be better when the old panel cannot perform after movement or must be removed for another project.
A load-bearing wall or footing is not the same as a detached slab. If building movement, sticking doors, wall cracks or multiple systems are involved, use the foundation decision guide and obtain the proper assessment.
Compare methods on the same target
Mudjacking and polyurethane lifting use different materials, equipment and injection holes. Ask each bidder to price the same panel list and target elevation.
Compare:
- equipment access and hose route;
- injection-hole pattern and patch appearance;
- response near curbs, drains and fragile edges;
- estimated material or void allowance;
- planned use window;
- joint, drainage and restoration items;
- residual edge or crack expectations; and
- response if the slab cannot reach target.
The side-by-side method guide prevents a product comparison from hiding a scope difference.
Build a City-aware quote
The document should identify which public questions were resolved and which remain open. It should not simply say “permits by owner” when neither party has checked jurisdiction. Ask who contacts Washington and who pays any fee or restoration cost.
Separate lifting from sidewalk replacement, curb work, drainage changes, joint sealing, grinding and landscaping. If the City controls one panel, remove it from the private total until the approval path is known.
Prepare for the first visit
Bring the address, any City response, wide slab photos and rain-event images. Note recent utility, roadway or landscaping changes. Photograph the route that equipment would take to a rear patio or interior slab.
Ask the estimator to leave:
- a panel and crack sketch;
- current and target elevations;
- method and injection plan;
- water and public-edge assumptions;
- separate related-work rows;
- use timing and patch finish;
- exclusions; and
- written price-change triggers.
Photos help decide whether a visit is worthwhile. They cannot establish final void volume, structural condition or price.
Keep a Washington project record
Save the Engineering or Public Works response with the panel sketch. Add the office, date and any mapped infrastructure or planned work that affects the decision. Draw the current and proposed water route.
For a street-side slab, mark curb, gutter, sidewalk and approach. For a rear patio, mark gates, steps and equipment access. Add each crack and fixed edge. State which questions must be answered before work begins.
Compare the final scope with the 2026 cost guide. Use it to check broad budget fit, then let the panel list, access and water work explain the address price.
A map-to-slab check
Use City GIS to find the right office or nearby system. Do not use it to name the cause. On site, draw the slab, street and water route.
Mark curb, gutter, walk and approach. Add the current low point. Draw the new target. Note any planned City work that affects timing.
Take wide photos from both ends. Add a close photo of each crack. Save the City answer with the quote. This makes the public record and slab record easy to compare without mixing them.
Use the map as a question
Circle the nearby line or road item. Ask the City what it means. Do not tell the provider that the map proves a leak or void.
Add the reply to the sheet. Then inspect the slab. The map guides the call. The slab guides the repair.
Save the City date
Maps and work plans change. Write when the page or office was checked. Add any project number staff gives you.
Before work, ask once more if a planned street or utility job affects the slab. Keep the final answer with the panel sheet.
Frequently asked questions
Can City GIS tell me why a slab settled?
No. It can help identify jurisdiction and nearby infrastructure. The slab and supporting conditions still need an on-site inspection.
Can private lifting include a public sidewalk?
Only after responsibility and permission are confirmed. Contact Washington for the exact panel and proposed work.
What is the most important quote comparison?
Make every bidder price the same panels and target. Then compare material, related work, exclusions and written terms.