Requesting/Payment of Project Plans and Specs See Section 00010 of the Specifications for instructions how to obtain plans and specs. Home » About Us » USD Construction Projects » Request Plans and Specs You may pay for plans and specs by check made out to:Union Sanitary DistrictAttn: CIP Project5072 Benson RoadUnion City, CA 94587or by MasterCard or VISA.If you wish to pay by credit card, fill out this form with your payment information and fax to (510) 477-7300.