Section 61.106 - Applications to construct or modify(a) In addition to any activity that is defined as construction under 40 CFR part 61, subpart A, any fabrication, erection or installation of a new building or structure within a facility is also defined as new construction for purposes of 40 CFR part 61, subpart A.(b) An application under § 61.07 does not need to be filed for any new construction of or modification within an existing facility if one of the following conditions is met:(1) The effective dose equivalent calculated by using methods described in § 61.103 , that is caused by all emissions from the facility including those potentially emitted by the proposed new construction or modification, is less than 10% of the standard prescribed in § 61.102 .(2) The effective dose equivalent calculated by using methods described in § 61.103 , that is caused by all emissions from the new construction or modification, is less than 1% of the limit prescribed in § 61.102 . A facility is eligible for this exemption only if the facility, based on its last annual report, is in compliance with this subpart.