Riprap delivery to Stehekin gravel pit, NOCA. **This replaces 140P8326Q0049** North Cascades National Park is seeking firm fixed-price offers for delivery of 2000 tons of riprap as described on the at... Riprap delivery to Stehekin gravel pit, NOCA. **This replaces 140P8326Q0049** North Cascades National Park is seeking firm fixed-price offers for delivery of 2000 tons of riprap as described on the attached scope of work. Contractors are required to have active profiles with complete representations/certifications in SAM.gov on the close date of this RFQ unless amended on an SF-30. Inquiries/questions/offers will be accepted only by email to: hal_hoversten@ios.doi.gov