Tenders Are Invited For Recreational Swimming Pool Rantakeidas, Mikkeli, Renewal Of The Water Filtration System

Mikkeli Citys Sports Services Is Requesting A Bid For The Renewal Of The Water Filtration System Of The Large Swimming Pool In Viihdeuimala Rantakeitain, Mikkeli, With Plans, Equipment And Installations So That The Equipment Can Be Transported And Installed In The Current Space. Operation Description Of The Water Purification Of Rantakeitas Old Large Pool: Volume 500 M3 Circulation Time 5 H Flow 110 M3/H Temperature 26 0C Normal Dilution/Number Of Visitors 30 Liters Current Filter Information: Filter Diameter 1800 Mm/Pc --> 2 Pcs Filter Masses Quartz Sand Surface Area 2.54 M3 X 2 = 5.08 M3 Filtration Speed 31.5 M/H Flushing Speed 63 M/H Information About The Current Pumps: Motor Power 4 Kw80 M3/H1500 R/Min11.2 M The Compatibility Of The Current Pumps With The Offered New Filtration System Must Be Checked In The Plan. There Are Two Old Sand Filters And Each Old Filter Has A Volume Of 5 M3. There Is No Separate Equalization Basin In The System And Its Construction Would Require Major Changes, So It Is Not Being Undertaken Now. The Planning Must Check The Adequacy Of The Filtration Capacity For The Current Pool Volume, And The Layout Must Take Into Account The Need For Additional Filters In The Future, If A Large Pool Were To Be Expanded And The Need For Filtration Would Increase. Special Things To Note:- The Access Route To The Installation Space Is Very Narrow, The Narrowest Point Is At The Bend, Where The Width Is Only 1,250 Mm. The Outer Door Is 2,000 M Wide, But The Next Door And The Rest Of The Corridor Are 1,500 Mm.- The Height Of The Filter Room Is 2,950 Mm.- Installation Between 22.6.-31.7.2026. The Schedule Must Be Agreed Upon In More Detail With The Staff.