{"id":320,"date":"2026-10-14T20:51:58","date_gmt":"2026-10-14T20:51:58","guid":{"rendered":"http:\/\/handasphere.test\/?post_type=portfolio&#038;p=320"},"modified":"2026-10-14T20:51:58","modified_gmt":"2026-10-14T20:51:58","slug":"fountain-water-features","status":"publish","type":"portfolio","link":"https:\/\/wasla-ig.com\/en\/projects\/fountain-water-features\/","title":{"rendered":"Fountain and Water Feature Hydraulics: Calculations and Equipment Selection"},"content":{"rendered":"<h2>Project Overview<\/h2>\n<p>Two fountains in an administrative complex: one at ground level with 88.67 m\u00b2 of surface, 0.30 m average depth and 26.6 m\u00b3 volume, and one in Basement 1 with 31.2 m\u00b2, 0.25 m depth and 7.8 m\u00b3. We calculated circulation, filtration, make-up and drainage, selected the pumps, filters and nozzle counts, and reconciled the results against the bill of quantities in a reply to review comments dated 15 July 2026.<\/p>\n<h2>The Challenge<\/h2>\n<ul>\n<li>Two fountains at different levels (ground +100.000, basement +94.900) with different pipe routes and sleeves<\/li>\n<li>Reconciling calculations with the BOQ after review comments<\/li>\n<li>Sizing circulation and filtration for different volumes at a one-hour turnover<\/li>\n<\/ul>\n<h2>Our Scope<\/h2>\n<ul>\n<li>Circulation: 26.6 m\u00b3\/h for the ground fountain (two filters of about 580 mm) and 7.8 m\u00b3\/h for Basement 1 (one filter of about 450 mm)<\/li>\n<li>Circulation pumps: 13.3 m\u00b3\/h at 19.7 m (2 duty + 1 standby) for ground and 7.8 m\u00b3\/h at 19.7 m (1 + 1) for the basement<\/li>\n<li>Display pumps: 39.2 m\u00b3\/h at 15.7 m for ground and 18.9 m\u00b3\/h at 14.4 m for the basement<\/li>\n<li>Make-up for evaporation: 3.41 m\u00b3\/h (32 mm tie-in) and 1.77 m\u00b3\/h (25 mm)<\/li>\n<li>Main drains: 8 and 3 per the Egyptian code and ASPE, and 36 jet nozzles of 4.5 L\/min<\/li>\n<li>Section and level drawings for both fountains with UPVC pipes from 50 to 160 mm<\/li>\n<\/ul>\n<h2>Technical Highlights \/ Deliverables<\/h2>\n<h3>Technical Highlights<\/h3>\n<ul>\n<li>Volume, turnover, filtration and 10-minute backwash calculations aligned with manufacturer data<\/li>\n<li>Chemical dosing: 100 L acid and chlorine tanks with diaphragm pumps<\/li>\n<li>Calculations showed the GRP tanks listed in the BOQ were not required<\/li>\n<\/ul>\n<h3>Deliverables<\/h3>\n<ul>\n<li>Ground fountain calculation file<\/li>\n<li>Basement 1 fountain calculation file<\/li>\n<li>Section sketches and details for both fountains<\/li>\n<li>Comparison sheet: calculated vs BOQ<\/li>\n<li>Referenced sand filter and nozzle data sheets<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Two fountains in an administrative complex: one at ground level with 88.67 m\u00b2 of surface, 0.30 m average depth and 26.6 m\u00b3 volume, and one in Basement 1 with 31.2 m\u00b2, 0.25 m depth and 7.8 m\u00b3. We calculated circulation, filtration, make-up a<\/p>\n","protected":false},"featured_media":374,"menu_order":0,"template":"","project-sector":[9],"project-service":[16],"project-city":[],"project-year":[28],"class_list":["post-320","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry","project-sector-commercial","project-service-plumbing-design","project-year-28"],"_links":{"self":[{"href":"https:\/\/wasla-ig.com\/en\/wp-json\/wp\/v2\/portfolio\/320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wasla-ig.com\/en\/wp-json\/wp\/v2\/portfolio"}],"about":[{"href":"https:\/\/wasla-ig.com\/en\/wp-json\/wp\/v2\/types\/portfolio"}],"version-history":[{"count":1,"href":"https:\/\/wasla-ig.com\/en\/wp-json\/wp\/v2\/portfolio\/320\/revisions"}],"predecessor-version":[{"id":345,"href":"https:\/\/wasla-ig.com\/en\/wp-json\/wp\/v2\/portfolio\/320\/revisions\/345"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wasla-ig.com\/en\/wp-json\/wp\/v2\/media\/374"}],"wp:attachment":[{"href":"https:\/\/wasla-ig.com\/en\/wp-json\/wp\/v2\/media?parent=320"}],"wp:term":[{"taxonomy":"project-sector","embeddable":true,"href":"https:\/\/wasla-ig.com\/en\/wp-json\/wp\/v2\/project-sector?post=320"},{"taxonomy":"project-service","embeddable":true,"href":"https:\/\/wasla-ig.com\/en\/wp-json\/wp\/v2\/project-service?post=320"},{"taxonomy":"project-city","embeddable":true,"href":"https:\/\/wasla-ig.com\/en\/wp-json\/wp\/v2\/project-city?post=320"},{"taxonomy":"project-year","embeddable":true,"href":"https:\/\/wasla-ig.com\/en\/wp-json\/wp\/v2\/project-year?post=320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}