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Previous phases had suffered delays from unclear evidence and mismatched product data.\u003Cbr>ATSPACE prepared a complete, traceable \u003Cstrong>water calculator evidence pack\u003C\u002Fstrong> with verified product performance, plot‑specific schedules, and transparent assumptions. Building Control accepted the submission quickly, and the project avoided the common delay where handover files stall because water evidence is incomplete or inconsistent.\u003C\u002Fp>\n\u003Ch2>\u003Cstrong>Project Snapshot\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp>\u003Cstrong>Service:\u003C\u002Fstrong> Water efficiency calculations\u003Cbr>\u003Cstrong>Client:\u003C\u002Fstrong> Main contractor (new build housing scheme)\u003Cbr>\u003Cstrong>Site:\u003C\u002Fstrong> Parkside Meadow, 1–40 Birch Avenue, Worcester WR2 6SX\u003Cbr>\u003Cstrong>Development:\u003C\u002Fstrong> 40 new build homes, staged completion\u003Cbr>\u003Cstrong>Programme stage:\u003C\u002Fstrong> Building Control close‑out + handover pack assembly\u003Cbr>\u003Cstrong>Compliance driver:\u003C\u002Fstrong> Approved Document G + Building Control evidence requirements\u003Cbr>\u003Cstrong>ATSPACE delivery:\u003C\u002Fstrong> Water calculator submissions, evidence pack, product‑performance verification, plot tracking, close‑out summary\u003Cbr>\u003Cstrong>Team:\u003C\u002Fstrong> ATSPACE compliance assessor + coordinator\u003C\u002Fp>\n\u003Ch2>\u003Cstrong>Why Building Control Evidence Packs Get Rejected\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp>Rejections are rarely about the calculation itself — they are about \u003Cstrong>clarity and traceability\u003C\u002Fstrong>.\u003C\u002Fp>\n\u003Cp>Typical reasons:\u003C\u002Fp>\n\u003Cul>\n\u003Cli>fittings schedule doesn’t match what is installed\u003C\u002Fli>\n\u003Cli>missing or unclear product evidence\u003C\u002Fli>\n\u003Cli>plot types grouped incorrectly\u003C\u002Fli>\n\u003Cli>different bathroom layouts treated as identical\u003C\u002Fli>\n\u003Cli>calculation submitted without supporting product data\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>The client wanted a pack that Building Control could approve \u003Cstrong>without multiple rounds of queries\u003C\u002Fstrong>.\u003C\u002Fp>\n\u003Ch2>\u003Cstrong>What ATSPACE Was Asked To Do\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cul>\n\u003Cli>produce a Building Control‑ready water‑calculator evidence pack\u003C\u002Fli>\n\u003Cli>link every assumption to real, installed product specifications\u003C\u002Fli>\n\u003Cli>reduce end‑of‑project admin and information chasing\u003C\u002Fli>\n\u003Cli>align the submission with staged completions\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch2>\u003Cstrong>What ATSPACE Did\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Ch3>\u003Cstrong>Step 1: Plot‑type mapping + fittings‑schedule control\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cp>We mapped:\u003C\u002Fp>\n\u003Cul>\n\u003Cli>plot types\u003C\u002Fli>\n\u003Cli>bathroom counts\u003C\u002Fli>\n\u003Cli>kitchen layouts\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>to ensure the correct schedule was applied to each dwelling.\u003C\u002Fp>\n\u003Ch3>\u003Cstrong>Step 2: Product performance verification\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cp>We verified all water‑critical product data:\u003C\u002Fp>\n\u003Cul>\n\u003Cli>WC flush volumes\u003C\u002Fli>\n\u003Cli>shower flow rates\u003C\u002Fli>\n\u003Cli>basin tap flow rates\u003C\u002Fli>\n\u003Cli>kitchen tap flow rates\u003C\u002Fli>\n\u003Cli>bath volumes\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>This ensured the calculator inputs were \u003Cstrong>accurate and defensible\u003C\u002Fstrong>.\u003C\u002Fp>\n\u003Ch3>\u003Cstrong>Step 3: Evidence‑pack assembly\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cp>We built a pack that made Building Control’s job simple:\u003C\u002Fp>\n\u003Cul>\n\u003Cli>plot schedule summary\u003C\u002Fli>\n\u003Cli>fittings schedule per plot type\u003C\u002Fli>\n\u003Cli>calculation outputs\u003C\u002Fli>\n\u003Cli>supporting product data sheets\u003C\u002Fli>\n\u003Cli>short note explaining any plot variations\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch3>\u003Cstrong>Step 4: Close‑out & change control\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cp>Where substitutions were made, we:\u003C\u002Fp>\n\u003Cul>\n\u003Cli>updated the schedule\u003C\u002Fli>\n\u003Cli>checked compliance remained intact\u003C\u002Fli>\n\u003Cli>adjusted the evidence pack\u003C\u002Fli>\n\u003Cli>prevented discrepancies between “modelled” and “installed”\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch2>\u003Cstrong>Problems Faced — and How They Were Solved\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Ch3>\u003Cstrong>Problem 1: Mixed procurement = inconsistent specifications\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cp>Different plots were receiving similar‑looking taps with different flow rates.\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Solution:\u003C\u002Fstrong>\u003Cbr>We confirmed exact product usage per plot type and updated the evidence pack accordingly.\u003C\u002Fp>\n\u003Chr>\n\u003Ch3>\u003Cstrong>Problem 2: Incomplete product evidence\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cp>One bathroom package lacked clear performance data.\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Solution:\u003C\u002Fstrong>\u003Cbr>We sourced the correct manufacturer information and integrated it consistently across the pack.\u003C\u002Fp>\n\u003Chr>\n\u003Ch3>\u003Cstrong>Problem 3: Plot variations risked confusing the submission\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cp>Some dwellings had different bathroom arrangements.\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Solution:\u003C\u002Fstrong>\u003Cbr>We treated them as separate schedules instead of forcing them into a generic plot type.\u003C\u002Fp>\n\u003Ch2>\u003Cstrong>Outcome\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp>The Building Control evidence pack was \u003Cstrong>accepted first time\u003C\u002Fstrong>, with no follow‑up requests.\u003C\u002Fp>\n\u003Cp>Project outcomes:\u003C\u002Fp>\n\u003Cul>\n\u003Cli>fewer Building Control queries\u003C\u002Fli>\n\u003Cli>reduced admin at completion\u003C\u002Fli>\n\u003Cli>strong alignment between modelled and installed products\u003C\u002Fli>\n\u003Cli>smooth handover‑pack assembly\u003C\u002Fli>\n\u003Cli>clear, audit‑ready documentation\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch2>\u003Cstrong>Common Mistakes This Project Avoided\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cul>\n\u003Cli>submitting calculations without supporting product data\u003C\u002Fli>\n\u003Cli>applying one fittings schedule across differing plot types\u003C\u002Fli>\n\u003Cli>relying on generic performance assumptions\u003C\u002Fli>\n\u003Cli>discovering substitutions after issuing the pack\u003C\u002Fli>\n\u003Cli>delaying sign‑off due to unclear or incomplete evidence\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch2>\u003Cstrong>CTA\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp>If you want Building Control to accept your water‑calculator submission \u003Cstrong>without delays\u003C\u002Fstrong>, ATSPACE will build a clear, accurate evidence pack linked to real installed products and deliver it in a format that is easy to review.\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Ask for:\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>Building Control‑ready water calculator evidence packs\u003C\u002Fli>\n\u003Cli>water‑efficiency calculations with verified product performance\u003C\u002Fli>\n\u003Cli>plot‑type mapping + schedule control\u003C\u002Fli>\n\u003Cli>support managing substitutions while maintaining compliance\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch2>\u003Cstrong>Frequently Asked Questions\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp>\u003Cstrong>What does Building Control need to see?\u003C\u002Fstrong>\u003Cbr>A completed calculation tied to a \u003Cstrong>clear fittings schedule\u003C\u002Fstrong> and supported by \u003Cstrong>product performance evidence\u003C\u002Fstrong>.\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Why do evidence packs get queried?\u003C\u002Fstrong>\u003Cbr>Because plot types and products aren’t clearly linked, or the evidence doesn’t support the values used.\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Can ATSPACE support staged completions?\u003C\u002Fstrong>\u003Cbr>Yes — we align pack delivery with your programme so water compliance isn’t left until handover week.\u003C\u002Fp>\n\u003C\u002Fdiv>\n\u003C\u002Fdiv>\n\u003C\u002Fdiv>","py-7","px-5","2026-03-31T09:51:52.000000Z","2026-03-31T09:54:56.000000Z",{"id":160,"user_id":245,"parent_id":7,"page_type_id":7,"linked_page_id":7,"title":246,"slug":247,"full_url":248,"live":11,"data_model":249,"created_at":250,"updated_at":250,"text_content_only":251,"html_content_only":251,"is_homepage":8,"is_template":8,"is_password_protected":8,"page_password":7,"parent":7},1,"Case 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