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PROJEC
T CA
SESTUD
Y ST. PETE RSBU RG WASTEWATE R
TREATM E NT PLANTC IT Y OF ST. P E TE R SBU RG, R U SS IA
QUEST IONS: 1 -800-267-8280 o r www.k ry ton . com
Page 1 o f 2
OWNERCi t y o f S t . Pe te r sburg , Russ i aCONTRACTORSW TP Cons t ruc t ion Oy (a jo in t ven tu re o f NCC, Skanska and Y IT)
SOLUTIONI n resea rch ing wa te rp roo f ing a l t e rna t i ves , the S t . Pe te r sburg p lan t team cons ide red Kr y ton In te rna t iona l ’ s K r ys to l In te rna l Membrane™ H igh S t reng th (K I M™H S) . K I M H S uses K r y ton ’ s p ropr ie ta r y c r ys ta l l i ne techno log y to t r ans fo rm conc re te in to a wa te r t i gh t ba r r i e r.
When added to a conc re te mix , K r ys to l reac t s w i th wa te r and unhydra ted conc re te , caus ing mi l l i ons o f need le - l i ke c r ys ta l s to fo rm, b lock ing the pene t ra t ion o f wa te r and cor ros i ve e lements and res i s t ing hydros ta t i c p ressure . Over t ime , incoming wa te r causes add i t iona l c r y s ta l s to fo rm, se l f - sea l ing sma l l conc re te c racks and reduc ing repa i r and ma in tenance t ime and cos t s .
A t f i r s t , the team wor r ied tha t p romises o f K I M H S ’ s easy ins ta l l a t ion , pe rmanent wa te rp roo f ing and se l f - sea l ing ab i l i t i e s migh t be too good to be t rue . However , a f te r v iew ing tes t resu l t s f rom the Swed i sh Cement and Concre te Resea rch Ins t i tu te and lea rn ing tha t K I M H S had rece i ved an Agrément Cer t i f i ca te f rom the Br i t i sh Board o f Ag rément , they were conv inced tha t th i s innova t i ve p roduc t wou ld per fo rm as p romised .
Approx imate l y 2 ,000 kg o f K I M-H S was used in the S t . Pe te r sburg Sou thwes t Was tewa te r Trea tment P lan . Three hundred cub i c met res o f K I M H S- t rea ted sho tc re te was app l i ed to a th i ckness o f 8 -10 cm on the tunne l wa l l s .
ST. PETE RSBU RG WASTEWATE RTREATM E NT PLANT
C IT Y OF ST. P E TE R SBU RG, R U SS IAPage 2 o f 2
KRYTON DISTRIBUTORBetongsys tem Skand inav ien ABARCHITECT/ENGINEER Vahanen Oy
BACKGROUNDHome to more than f i ve mi l l i on peop le , the c i t y o f S t . Pe te r sburg , Russ i a has t r ad i t iona l l y been one o f the Ba l t i c reg ion ’ s g rea tes t sources o f po l lu t ion . However , by reduc ing the amount o f un t rea ted was tewa te r be ing re leased in to the Ba l t i c Sea by 5 0%, the c i t y ’ s new Southwes t Was tewa te r Trea tment P lan t w i l l s i gn i f i can t l y improve the reg ion ’ s env i ronmenta l hea l th .
The resu l t o f a l a rge - sca le coopera t i ve e f fo r t be tween Russ ia , F in land and Sweden , the Sou thwes t Was tewa te r Trea tment P lan t p rocesses about 330 ,000 m3 o f was tewa te r da i l y f rom the homes o f 700 ,000 sou thwes t S t . Pe te r sburg res iden t s . The p lan t w i l l d ramat i ca l l y reduce the amount o f suspended so l ids , phosphorous , n i t rogen and o rgan i c s be ing d i s cha rged in to the Ba l t i c Sea . A 4 0% to 6 0% reduc t ion in heav y meta l s a l t s i s a l so e xpec ted .
Wi th any was tewa te r t rea tment p lan t , conc re te wa te rp roo f ing i s a ma jo r concern , s ince the mig ra t ion o f wa te r o r con taminan t s in o r ou t o f conc re te c racks can a f fec t the f ac i l i t y ’ s opera t ions as we l l a s the su r round ing env i ronment . The S t . Pe te r sburg p lan t ’ s p ro jec t t eam was espec ia l l y concerned about wa te rp roo f ing the conc re te tunne l s tha t supp l ied wa te r to the f ac i l i t y ’ s t anks .
A l though the p ro jec t con t rac to r and eng ineers had cons ide red us ing e x te rna l l y app l i ed wa te rp roo f ing membrane sys tems , they knew these sys tems even tua l l y de te r io ra te , requ i r ing e xpens i ve repa i r s and ma in tenance . Hav ing ru led ou t e x te rna l membranes , the p ro jec t t eam was seek ing a conc re te wa te rp roo f ing sys tem tha t wou ld be qu i ck and easy to ins ta l l , and , more impor tan t l y , wou ld l a s t the l i f e t ime o f the s t ruc tu re .
The was tewa te r p lan t was comple ted – under budge t – in Sep tember 2005 . Swed i sh P r ime Min i s te r Goran Persson , Russ i an P res iden t V lad imi r Pu t in and F inn i sh P res iden t Ta r j a Ha lonen par t i c ipa ted in the inaugura t ion o f the p lan t , wh i ch F in land ’ s Env i ronmenta l M in i s te r , J an E r i k Enes tam, ca l l ed “one o f the mos t s i gn i f i can t env i ronmenta l p ro jec t s in the Ba l t i c reg ion in recen t yea r s . ”
The p ro jec t con t rac to r s , NCC , Skanska and Y IT , were h igh ly p leased w i th the per fo rmance o f K I M H S in the cons t ruc t ion o f the p lan t ’ s wa te r tunne l s and as a resu l t , w i l l l i ke l y use i t in fu tu re p ro jec t s in the reg ion .
Bene f i t s o f the S t . Pe te r sburg Sou thwes t Was tewa te r Trea tment P lan t shou ld be v i s ib le as ea r l y as mid -200 6 . The reduc t ion in the re lease o f was tewa te r in to the Ba l t i c Sea w i l l improve the cond i t ion o f loca l wa te r ways and beaches and , in the long te rm, the Gu l f o f F in land and the Ba l t i c Sea as a who le .
Above: the c i t y ’ s new Southwes t Wastewater Trea tment P lant w i l l s ign i f i cant ly improve the reg ion ’s env i ronmenta l hea l th .
Above : Wi th any was tewater t rea tment p lant , concre te waterproof ing i s a major concern
Above : Approx imate ly 2 ,000 kg o f K I M-H S was used in the S t . Pe tersburg Southwes t Wastewater Trea tment P lan .
Be low: Contrac tors were h igh ly p leased wi th resu l t s and wi l l l i ke ly use K I M in fu ture pro jec t s .
The Kryton Group of Companies.1645 East Kent Avenue, Vancouver, BC Canada V5P 2S8 Tel.: 1-604-324-8280 Toll Free: 1-800-267-8280 Fax: 1-604-324-8899 E-mail: [email protected] Web: www.kryton.com
The Kryton Group of Companies.1645 East Kent Avenue, Vancouver, BC Canada V5P 2S8 Tel.: 1-604-324-8280 Toll Free: 1-800-267-8280 Fax: 1-604-324-8899 E-mail: [email protected] Web: www.kryton.com
PROJEC
T CA
SESTUD
Y
ST. PETE RSBU RG WASTEWATE RTREATM E NT PLANT
C IT Y OF ST. P E TE R SBU RG, R U SS IA
QUEST IONS: 1 -800-267-8280 o r www.k ry ton . com
Page 1 o f 2
OWNERCi t y o f S t . Pe te r sburg , Russ i aCONTRACTORSW TP Cons t ruc t ion Oy (a jo in t ven tu re o f NCC, Skanska and Y IT)
SOLUTIONI n resea rch ing wa te rp roo f ing a l t e rna t i ves , the S t . Pe te r sburg p lan t team cons ide red Kr y ton In te rna t iona l ’ s K r ys to l In te rna l Membrane™ H igh S t reng th (K I M™H S) . K I M H S uses K r y ton ’ s p ropr ie ta r y c r ys ta l l i ne techno log y to t r ans fo rm conc re te in to a wa te r t i gh t ba r r i e r.
When added to a conc re te mix , K r ys to l reac t s w i th wa te r and unhydra ted conc re te , caus ing mi l l i ons o f need le - l i ke c r ys ta l s to fo rm, b lock ing the pene t ra t ion o f wa te r and cor ros i ve e lements and res i s t ing hydros ta t i c p ressure . Over t ime , incoming wa te r causes add i t iona l c r y s ta l s to fo rm, se l f - sea l ing sma l l conc re te c racks and reduc ing repa i r and ma in tenance t ime and cos t s .
A t f i r s t , the team wor r ied tha t p romises o f K I M H S ’ s easy ins ta l l a t ion , pe rmanent wa te rp roo f ing and se l f - sea l ing ab i l i t i e s migh t be too good to be t rue . However , a f te r v iew ing tes t resu l t s f rom the Swed i sh Cement and Concre te Resea rch Ins t i tu te and lea rn ing tha t K I M H S had rece i ved an Agrément Cer t i f i ca te f rom the Br i t i sh Board o f Ag rément , they were conv inced tha t th i s innova t i ve p roduc t wou ld per fo rm as p romised .
Approx imate l y 2 ,000 kg o f K I M-H S was used in the S t . Pe te r sburg Sou thwes t Was tewa te r Trea tment P lan . Three hundred cub i c met res o f K I M H S- t rea ted sho tc re te was app l i ed to a th i ckness o f 8 -10 cm on the tunne l wa l l s .
ST. PETE RSBU RG WASTEWATE RTREATM E NT PLANT
C IT Y OF ST. P E TE R SBU RG, R U SS IAPage 2 o f 2
KRYTON DISTRIBUTORBetongsys tem Skand inav ien ABARCHITECT/ENGINEER Vahanen Oy
BACKGROUNDHome to more than f i ve mi l l i on peop le , the c i t y o f S t . Pe te r sburg , Russ i a has t r ad i t iona l l y been one o f the Ba l t i c reg ion ’ s g rea tes t sources o f po l lu t ion . However , by reduc ing the amount o f un t rea ted was tewa te r be ing re leased in to the Ba l t i c Sea by 5 0%, the c i t y ’ s new Southwes t Was tewa te r Trea tment P lan t w i l l s i gn i f i can t l y improve the reg ion ’ s env i ronmenta l hea l th .
The resu l t o f a l a rge - sca le coopera t i ve e f fo r t be tween Russ ia , F in land and Sweden , the Sou thwes t Was tewa te r Trea tment P lan t p rocesses about 330 ,000 m3 o f was tewa te r da i l y f rom the homes o f 700 ,000 sou thwes t S t . Pe te r sburg res iden t s . The p lan t w i l l d ramat i ca l l y reduce the amount o f suspended so l ids , phosphorous , n i t rogen and o rgan i c s be ing d i s cha rged in to the Ba l t i c Sea . A 4 0% to 6 0% reduc t ion in heav y meta l s a l t s i s a l so e xpec ted .
Wi th any was tewa te r t rea tment p lan t , conc re te wa te rp roo f ing i s a ma jo r concern , s ince the mig ra t ion o f wa te r o r con taminan t s in o r ou t o f conc re te c racks can a f fec t the f ac i l i t y ’ s opera t ions as we l l a s the su r round ing env i ronment . The S t . Pe te r sburg p lan t ’ s p ro jec t t eam was espec ia l l y concerned about wa te rp roo f ing the conc re te tunne l s tha t supp l ied wa te r to the f ac i l i t y ’ s t anks .
A l though the p ro jec t con t rac to r and eng ineers had cons ide red us ing e x te rna l l y app l i ed wa te rp roo f ing membrane sys tems , they knew these sys tems even tua l l y de te r io ra te , requ i r ing e xpens i ve repa i r s and ma in tenance . Hav ing ru led ou t e x te rna l membranes , the p ro jec t t eam was seek ing a conc re te wa te rp roo f ing sys tem tha t wou ld be qu i ck and easy to ins ta l l , and , more impor tan t l y , wou ld l a s t the l i f e t ime o f the s t ruc tu re .
The was tewa te r p lan t was comple ted – under budge t – in Sep tember 2005 . Swed i sh P r ime Min i s te r Goran Persson , Russ i an P res iden t V lad imi r Pu t in and F inn i sh P res iden t Ta r j a Ha lonen par t i c ipa ted in the inaugura t ion o f the p lan t , wh i ch F in land ’ s Env i ronmenta l M in i s te r , J an E r i k Enes tam, ca l l ed “one o f the mos t s i gn i f i can t env i ronmenta l p ro jec t s in the Ba l t i c reg ion in recen t yea r s . ”
The p ro jec t con t rac to r s , NCC , Skanska and Y IT , were h igh ly p leased w i th the per fo rmance o f K I M H S in the cons t ruc t ion o f the p lan t ’ s wa te r tunne l s and as a resu l t , w i l l l i ke l y use i t in fu tu re p ro jec t s in the reg ion .
Bene f i t s o f the S t . Pe te r sburg Sou thwes t Was tewa te r Trea tment P lan t shou ld be v i s ib le as ea r l y as mid -200 6 . The reduc t ion in the re lease o f was tewa te r in to the Ba l t i c Sea w i l l improve the cond i t ion o f loca l wa te r ways and beaches and , in the long te rm, the Gu l f o f F in land and the Ba l t i c Sea as a who le .
Above: the c i t y ’ s new Southwes t Wastewater Trea tment P lant w i l l s ign i f i cant ly improve the reg ion ’s env i ronmenta l hea l th .
Above : Wi th any was tewater t rea tment p lant , concre te waterproof ing i s a major concern
Above : Approx imate ly 2 ,000 kg o f K I M-H S was used in the S t . Pe tersburg Southwes t Wastewater Trea tment P lan .
Be low: Contrac tors were h igh ly p leased wi th resu l t s and wi l l l i ke ly use K I M in fu ture pro jec t s .
The Kryton Group of Companies.1645 East Kent Avenue, Vancouver, BC Canada V5P 2S8 Tel.: 1-604-324-8280 Toll Free: 1-800-267-8280 Fax: 1-604-324-8899 E-mail: [email protected] Web: www.kryton.com
The Kryton Group of Companies.1645 East Kent Avenue, Vancouver, BC Canada V5P 2S8 Tel.: 1-604-324-8280 Toll Free: 1-800-267-8280 Fax: 1-604-324-8899 E-mail: [email protected] Web: www.kryton.com
