C-991 is intended for purchase and use as a supplemental add-on only for customers who have already purchased the C-990 Construction Related Documents, Full Set

The U.S. Department of Agriculture, Rural Utilities Service (RUS) has preapproved the use of certain standard EJCDC engineering and construction series documents for use in projects funded under the RUS Water and Waste Disposal program as described in RUS Bulletin 1780-26.

Please note that Bulletin 1780-26 was updated on 5/10/2024 to preapprove the use of the 2020 edition of E-500 instead of the 2014 edition. The C-522, E-520, and E525 documents have also been preapproved for use under certain limited circumstances.

Included in the enclosed Zip file are the following documents:

• 2018 editions of: C-111, C-200, C-410, C-520, C-522, C-800
• 2020 editions of the E-500, E-520, E-525