Specifications include, but are not limited to: A. CONCRETE PAVING: CONCRETE: MATERIALS AND MIXING FOR ALL CONCRETE WORK, UNLESS OTHERWISE SPECIFIED, SHALL CONFORM TO IOWA DOT SPECIFICATIONS FOR AIR-ENTRAINED TYPE C-4 MIX WITH TYPE I CEMENT; FLY ASH (CONTRACTOR'S OPTION AS ADDITIONAL PAYMENT WILL NOT BE PROVIDED IF FLY ASH IS NOT AVAILABLE) - ASTM C618, TYPE C, NOT TO EXCEED 15% OF CEMENTITIOUS MATERIAL.; COARSE AGGREGATE DURABILITY SHALL BE CLASS III, 3/4" MAX.; COMPRESSIVE STRENGTH 2800 PSI @ 7 DAYS AND 4000 PSI @ 28 DAYS; SLUMP: 3" ± 1" or 8" MAXIMUM WITH SUPER PLASTICIZER.; AIR CONTENT: 7.0% ± 1.0%; WATER/CEMENT RATIO: NOT TO EXCEED 0.53; FINISH: HEAVY BROOM FINISH; TESTING - ONE SET OF TEST CYLINDERS REQUIRED FOR EACH 100 C.Y. OR PORTION THEREOF, OF CONCRETE POURED PER WORK LOCATION. CONCRETE TESTING TO BE DONE AND PAID FOR BY OWNER. CONTRACTOR SHALL COORDINATE AND SCHEDULE ALL REQUIRED TESTING AND GEOTECHNICAL WORK.; B. EXPANSION JOINT FILLER: CLOSED CELL POLYETHYLENE WITH STRIP-OFF CAP FOR SEALANT.; C. JOINT SEALANTS: PAVING JOINTS SHALL BE SEALED FOLLOWING IOWA DOT SPECIFICATIONS. ALL JOINTS TO BE SEALED WITH NO BACKER ROD.; D. REINFORCING STEEL: PAVING REINFORCEMENT SHALL BE ASTM A615 GRADE 60, AND SHALL HAVE A PROTECTIVE COATING OF EPOXY APPLIED BY ELECTROSTATIC SPRAY METHOD IN ACCORDANCE WITH THE REQUIREMENTS OF ASTM A775.; E. DEMOLITION: REMOVE OBSTRUCTIONS TO PERMIT INSTALLATION OF NEW CONSTRUCTION. REMOVE AND DISPOSE OF OBSTRUCTIONS TO A MINIMUM DEPTH OF 12 INCHES BELOW EXPOSED SUBGRADE OR PROPOSED SUBGRADE ELEVATION, WHICHEVER IS LOWER. FILL DEPRESSIONS CAUSED BY DEMOLITION OPERATIONS WITH SATISFACTORY SOIL MATERIAL. PLACE FILL MATERIAL IN HORIZONTAL LAYERS NOT EXCEEDING A LOOSE DEPTH OF 8 INCHES, AND COMPACT EACH LAYER TO A DENSITY EQUAL TO ADJACENT ORIGINAL GROUND OR SPECIFIED FILL REQUIREMENTS. SAWCUT FULL DEPTH AND REMOVE EXISTING PAVEMENT AS SHOWN ON DRAWINGS AND REQUIRED FOR THE PROPOSED CONSTRUCTION AND DISPOSE OF OFFSITE.; F. TRAFFIC AND PEDESTRIAN CONTROL: PROVIDE BARRICADES, FENCING, AND OTHER DEVICES TO KEEP UNAUTHORIZED PERSONNEL FROM PROJECT SITE. PROTECT THE CONCRETE PAVEMENT DURING INITIAL CURE, AND PROTECT OR DELINEATE THE WORK AREA AS DIRECTED BY THE OWNER. KEEP INTERFERENCE WITH TRAFFIC TO A MINIMUM. DO NOT BLOCK EXISTING SITE ROADWAYS UNLESS APPROVED BY OWNER.; G. STORM WATER POLLUTION PREVENTION PLAN (SWPPP): THE PROJECT IS ANTICIPATED TO DISTURB LESS THAN ONE ACRE SO AN IOWA DNR NPDES GENERAL PERMIT NO. 2 SHOULD NOT BE REQUIRED. CONTRACTOR SHALL STILL COMPLY WITH APPLICABLE IOWA DNR, US EPA, AND LOCAL REGULATIONS DEALING WITH STORMWATER RUNOFF AND EROSION CONTROL. AT A MINIMUM, CONTRACTOR SHALL INSTALL ALL STORMWATER CONTROL STRUCTURES AS INDICATED ON THE DRAWINGS AND AS REQUIRED.; H. PAVEMENT JOINTING: PROVIDE IDOT 'TYPE C' JOINTS AT A MAXIMUM SPACING OF 12 FEET FOR PAVEMENT AND SQUARE PANELS FOR SIDEWALKS OR AS SHOWN ON PLANS. PROVIDE IDOT 'TYPE DW' JOINTS AT END OF DAY PAVING. PROVIDE 'TYPE RD' JOINTS TO TIE INTO EXISTING PAVING. SAW CUTTING TO BE COMPLETED A MAXIMUM OF 24 HOURS FROM CONCRETE PLACEMENT. RANDOM CRACKING CAUSED BY DELAYED SAW CUTTING MAY REQUIRE REMOVAL AND REPLACEMENT.