That the treatment works design will be (in the case of projects involving step 2) or has been (in the case of projects for step 3) based upon:
(a) Appendix A to this subpart, so that the design, size, and capacity of such works are cost-effective and relate directly to the needs they serve, including adequate reserve capacity;
(b) Subject to the limitations set forth in § 35.930-4, achievement of applicable effluent limitations established under the Act, or BPWTT (see § 35.917-1(d)(5)), including consideration, as appropriate, for the application of technology which will provide for the reclaiming or recycling of water or otherwise eliminate the discharge of pollutants;
(c) The sewer system evaluation and rehabilitation requirements of § 35.927; and
(d) The value engineering requirements of § 35.926 (b) and (c).