{"id":2637,"date":"2026-06-10T19:42:43","date_gmt":"2026-06-10T19:42:43","guid":{"rendered":"https:\/\/bigwesttemp.com\/inhouseplumbing\/?page_id=2637"},"modified":"2026-08-06T13:01:57","modified_gmt":"2026-08-06T13:01:57","slug":"case-studies","status":"publish","type":"page","link":"https:\/\/bigwesttemp.com\/inhouseplumbing\/case-studies\/","title":{"rendered":"Case Studies"},"content":{"rendered":"
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Cast Iron Sewer Pipe Replacement Case Studies
\nDallas, Plano, Richardson, Garland & Surrounding North Texas Cities<\/strong><\/span><\/h1>\n<\/div>\n<\/div><\/div><\/div>
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Below are real-world examples of full under-slab and underground cast iron sewer pipe replacement projects we have evaluated or completed.<\/p>\n

Each case study highlights a different decision point that homeowners commonly face, including:<\/p>\n

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  • Scope misunderstandings<\/li>\n
  • Partial vs full replacement<\/li>\n
  • Rerouting vs replacing in place<\/li>\n
  • Tunnel footage differences<\/li>\n
  • Staged work vs one-time replacement<\/li>\n
  • Testing limitations<\/li>\n
  • Contractor switching risks<\/li>\n<\/ul>\n

    These examples are not marketing summaries. They are real project scenarios that demonstrate how layout, assumptions, timing, and scope directly impact cost and outcome.<\/p>\n

    We specialize exclusively in full residential old cast iron pipe replacement and cast iron to PVC conversion. We do not perform spot repairs, trenchless patches, or general plumbing services.<\/p>\n<\/div>\n<\/div><\/div>

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    \"case<\/p>\n<\/div>\n<\/div><\/div>

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    When Two \u201cSewer Replacement\u201d Estimates Aren\u2019t for the Same Job<\/h3>\n

    Two estimates appeared comparable \u2014 but one covered yard line only, while the other included full under-slab and yard replacement. This case highlights why scope clarity matters more than price alone.<\/p>\n<\/div>\n<\/div><\/div><\/div>

    \n\t\t\t\n\t\t\n\t\t\t\n\t\t\tRead Case Study\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>
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    \"\"<\/p>\n<\/div>\n<\/div><\/div>

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    Why Making the Right Decision Upfront Matters<\/h3>\n

    Switching contractors mid-project can create serious insurance, permit, and safety complications. This case explains why decisions made before excavation begins matter most.<\/p>\n<\/div>\n<\/div><\/div><\/div>

    \n\t\t\t\n\t\t\n\t\t\t\n\t\t\tRead Case Study\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>
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    \"case<\/p>\n<\/div>\n<\/div><\/div>

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    When Assumptions Are Treated as Conclusions<\/h3>\n

    A large vent replacement proposal was based on assumptions rather than confirmed failure. This case demonstrates why diagnosis must match the actual failure mode.<\/p>\n<\/div>\n<\/div><\/div><\/div>

    \n\t\t\t\n\t\t\n\t\t\t\n\t\t\tRead Case Study\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>
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    \"case<\/p>\n<\/div>\n<\/div><\/div>

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    When Partial Replacement Is Based on Assumptions<\/h3>\n

    A yard-only replacement turned into a two-phase project when under-house piping was later discovered to be original. Verification before limiting scope can prevent regret.<\/p>\n<\/div>\n<\/div><\/div><\/div>

    \n\t\t\t\n\t\t\n\t\t\t\n\t\t\tRead Case Study\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>
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    \"case<\/p>\n<\/div>\n<\/div><\/div>

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    Rerouting vs Replacing in Place<\/h3>\n

    By adjusting layout instead of duplicating original pipe paths, excavation was reduced significantly. This case shows how layout planning affects cost.<\/p>\n<\/div>\n<\/div><\/div><\/div>

    \n\t\t\t\n\t\t\n\t\t\t\n\t\t\tRead Case Study\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>
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    \"case<\/p>\n<\/div>\n<\/div><\/div>

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    Why Two Similar Homes Had Very Different Costs<\/h3>\n

    Two homes with similar size and fixture counts had a $7,700 difference in pricing. Tunnel footage \u2014 not home size \u2014 drove the gap.<\/p>\n<\/div>\n<\/div><\/div><\/div>

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    \"case<\/p>\n<\/div>\n<\/div><\/div>

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    Why Our Contract Language Exists<\/h3>\n

    This case explains the real-world situation that led to our right-to-stop-work clause and why written clarity protects both homeowner and contractor.<\/p>\n<\/div>\n<\/div><\/div><\/div>

    \n\t\t\t\n\t\t\n\t\t\t\n\t\t\tRead Case Study\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>
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    \"case<\/p>\n<\/div>\n<\/div><\/div>

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    The Job That Ended Our Spot Repair Policy<\/h3>\n

    An early repair created no long-term value when full replacement was later required. This project helped shape our replacement-only philosophy.<\/p>\n<\/div>\n<\/div><\/div><\/div>

    \n\t\t\t\n\t\t\n\t\t\t\n\t\t\tRead Case Study\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>
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    \"case<\/p>\n<\/div>\n<\/div><\/div>

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    When Repairs Grow Into a Bigger Problem<\/h3>\n

    Multiple leaks led to expanding repair costs that ultimately approached full replacement pricing. This case reinforced our shift away from spot repairs.<\/p>\n<\/div>\n<\/div><\/div><\/div>

    \n\t\t\t\n\t\t\n\t\t\t\n\t\t\tRead Case Study\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>
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    \"case<\/p>\n<\/div>\n<\/div><\/div>

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    Why Doing Replacement in Stages Costs More<\/h3>\n

    Staged work increased total cost by 33% and duplicated disruption. This case shows why underground work is rarely cost-effective in phases.<\/p>\n<\/div>\n<\/div><\/div><\/div>

    \n\t\t\t\n\t\t\n\t\t\t\n\t\t\tRead Case Study\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>
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    \"case<\/p>\n<\/div>\n<\/div><\/div>

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    Why Sewer Cameras Cannot Confirm Pipe Health<\/h3>\n

    A camera suggested failure where hydrostatic testing showed none. This case explains why cameras cannot determine structural pipe condition.<\/p>\n<\/div>\n<\/div><\/div><\/div>

    \n\t\t\t\n\t\t\n\t\t\t\n\t\t\tRead Case Study\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>
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    If you want to better understand how these real-world scenarios might apply to your home, start by reviewing our pricing page or request an in-person evaluation when you\u2019re ready.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div>

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    Our Focus<\/h2>\n<\/div>\n<\/div><\/div><\/div>
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    In-House Plumbing Company provides pipe replacement services focused exclusively on full residential under-slab and underground cast iron sewer pipe replacement.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>

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    WE DO NOT PERFORM<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div>

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    \"mark\"<\/p>\n<\/div>\n<\/div><\/div><\/div>

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    Spot Repairs<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>

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    \"mark\"<\/p>\n<\/div>\n<\/div><\/div><\/div>

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    Trenchless Patches<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>

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    \"mark\"<\/p>\n<\/div>\n<\/div><\/div><\/div>

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    Hydro-jetting<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>

    <\/div>
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    \"mark\"<\/p>\n<\/div>\n<\/div><\/div><\/div>

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    Routine Inspections<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>

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    \"mark\"<\/p>\n<\/div>\n<\/div><\/div><\/div>

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    General Plumbing Services<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>

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    Our work centers on complete cast iron to PVC conversion for older homes in Dallas, Plano, Richardson, Garland and surrounding North Texas cities.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>

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    Frequently Asked Questions About Cast Iron Pipe Replacement Projects<\/strong><\/h2>\n<\/div>\n<\/div><\/div>
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    Why do two sewer replacement estimates sometimes differ so much?<\/strong><\/h3>\n

    Estimates can vary significantly based on whether the scope includes yard line only or full under-slab and underground replacement. Excavation type and tunnel footage often drive the largest cost differences.<\/p>\n<\/div>\n<\/div><\/div><\/div>

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    How long does full under-slab cast iron replacement usually take?<\/strong><\/h3>\n

    Most projects take 3\u20135 days depending on layout, weather, inspection timing, and complexity.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div>

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    What typically drives cost in cast iron pipe replacement?<\/strong><\/h3>\n

    Tunnel footage, layout complexity, access limitations, and whether work is completed in one stage or multiple stages are major cost drivers.<\/p>\n<\/div>\n<\/div><\/div><\/div>

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    Is partial replacement usually cheaper long term?<\/strong><\/h3>\n

    Partial replacement often leads to higher total cost over time due to duplicate mobilization, excavation, permitting, and disruption.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>

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    Still Researching?<\/p>\n

    \"Researching\"<\/p>\n

    Explore pricing ranges and real project examples.<\/p>\n<\/div>\n<\/div><\/div><\/div>

    \n\t\t\t\n\t\t\n\t\t\t<\/span>\n\t\t\tView Pricing\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>
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    Have Questions?<\/p>\n

    \"contact<\/p>\n

    Have questions about your specific home? Call our team to discuss your situation.<\/p>\n<\/div>\n<\/div><\/div><\/div>

    \n\t\t\t\n\t\t\n\t\t\t<\/span>\n\t\t\tCall Now\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>
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    Ready to Explore?<\/p>\n

    \"Ready<\/p>\n

    Schedule an in-person evaluation.<\/p>\n<\/div>\n<\/div><\/div><\/div>

    \n\t\t\t\n\t\t\n\t\t\t<\/span>\n\t\t\tSchedule an In-Person Evaluation\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>
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    Because pricing can change over time for many reasons, it's best to schedule your evaluation when you're ready to move forward<\/strong>.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

    Cast Iron Sewer Pipe Replacement Case Studies Dallas, Plano, Richardson, Garland & Surrounding North Texas Cities Below are real-world examples of full under-slab and underground cast iron sewer pipe replacement projects we have evaluated or completed. Each case study highlights a different decision point that homeowners commonly face, including: Scope misunderstandings Partial vs full replacement […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"fullpage","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"class_list":["post-2637","page","type-page","status-publish","entry","override"],"_links":{"self":[{"href":"https:\/\/bigwesttemp.com\/inhouseplumbing\/wp-json\/wp\/v2\/pages\/2637","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bigwesttemp.com\/inhouseplumbing\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/bigwesttemp.com\/inhouseplumbing\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/bigwesttemp.com\/inhouseplumbing\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bigwesttemp.com\/inhouseplumbing\/wp-json\/wp\/v2\/comments?post=2637"}],"version-history":[{"count":25,"href":"https:\/\/bigwesttemp.com\/inhouseplumbing\/wp-json\/wp\/v2\/pages\/2637\/revisions"}],"predecessor-version":[{"id":6052,"href":"https:\/\/bigwesttemp.com\/inhouseplumbing\/wp-json\/wp\/v2\/pages\/2637\/revisions\/6052"}],"wp:attachment":[{"href":"https:\/\/bigwesttemp.com\/inhouseplumbing\/wp-json\/wp\/v2\/media?parent=2637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}