Bolulo Single Wall ke ntlo ya bolulo e fumanehang Angra dos Reis, Brazil. Ntlo ena e hlophisitswe ka lebota le le leng le tswellang la lehlaka le hatelletsweng, le bolelele ba dimithara tse 80. Lebota lena le arola dibaka tsa boikhathollo le tsa ditshebeletso, le pata dibaka tsa botekgeniki, mme le tshehetsa karolo ya kamore ya ho robala e fanyehilweng. Konkreite e pepesitsweng, lehlaka le hatelletsweng, le lejwe la marble la Brazil ke thepa ya sehlooho e sebedisitsweng. Konkreite e tiisitsweng ka thapo (post tensioned concrete) e dumella sebaka se bulehileng sa dimithara tse 12.5 le karolo e leketlileng (cantilever) ya dimithara tse 6.5. Diphanele tsa kgalase di kgutlela morao ka botlalo, di kopanya ka hare le ka ntle ha ntlo. Phefo e fetang ka mahlakoreng a mabedi, lesedi la tlhaho, le moriti di fana ka boiketlo ntle le ho sebedisa mekgwa ya maiketsetso.