Chairman of Yemen's Supreme Committee for Tenders (SCT) Mohammed al-Junaid said on Monday that the committee has approved tenders for 286 development projects across the country at a cost of YR (Yemeni Riyal) 230.4 billion, 'SABA' news agency reported. The projects are part of a total of 504 tenders estimated at YR 393.5 billion submitted to the committee since 2008 till the end the first half of 2009, he said.