MALCOLM INTERNATIONAL LLC

BULL LAKE DAM SPILLWAY MODIFICATIONS, RIVERTON UNIT, PICK-SLOAN MISSOURI BASIN PROGRAM, WYOMING

BULL LAKE DAM SPILLWAY MODIFICATIONS, RIVERTON UNIT, PICK-SLOAN MISSOURI BASIN PROGRAM, WYOMING

BULL LAKE DAM SPILLWAY MODIFICATIONS, RIVERTON UNIT, PICK-SLOAN MISSOURI BASIN PROGRAM, WYOMING

THIS MODIFICATION IS A CHANGE ORDER DIRECTING THE CONTRACTOR TO INSTALL DEWATERING SYSTEMS, USE ZONE 5A MATERIAL, INSTALL A CHAIN LINK FENCE IN A DIFFERENT MANNER, ALL BASED ON MODIFIED SPECIFICATIONS AND DRAWINGS.

THIS MODIFICATION DIRECTS THE CONTRACTOR TO PERFORM INVESTIGATIVE DRILLING AND DEWATERING OF THE PERMANENT COFFERDAM.

THIS MODIFICATION OBLIGATES ADDITIONAL FUNDING.

THIS MODIFICATION INCORPORATES REVISIONS TO SPECS AND DRAWINGS REGARDING THE REINFORCEMENT IN THE CREST STRUCTURE WALLS

THIS MODIFICATION DIRECTS THE CONTRACTOR TO CONSTRUCT EXTERNAL COUNTERFORT WALLS ON THE EXTERIOR OF STILLING BASIN WALLS ON SLABS 10 AND 12

THIS MODIFICATION OBLIGATES ADDITIONAL FUNDING

THIS MODIFICATION DIRECTS THE CONTRACTOR TO INSTALL A LAYER OF GEOTEXTILE BETWEEN THE ZONE 2 - SAND FILTER AND ZONE 3 - GRAVEL MATERIAL

THIS MODIFICATION DIRECTS THE CONTRACTOR TO PROVIDE ADDITIONAL ZONE 1A, MISC FILL MATERIALS, TO ADDRESS SHORTAGE.