April 21, 2015			Matls. IM 207
Supersedes October 21, 2014			Appendix A
IAP Responsibilities
HMA
Procedure to Check	To Whom	By Whom		How	Approach(1)
Field Density Sampling	RCE	Training		Computer Program & Training	System
Field Density Testing	RCE	DME		Test same cores- IM 216	Project
Mix Sampling	CONTR, RCE	DME		Observe	Project
Mix Properties Testing	CONTR, DME	CTRL		Proficiency- IM 208	System
Binder Sampling	CONTR, RCE	Training or DME		Training or Observe	Both
Binder Properties Testing	DME	CTRL		Proficiency- IM 208	System
Aggregate Grad. Sampling	RCE, CONTR	Training or DME		Training or Observe	Both
Aggregate Grad. Testing	RCE, CONTR, DME(2)	DME, CTRL		Proficiency or Split test IM 208/216	Both
Aggregate Quality Sampling	DME	Training/Demo.		Training	System
Aggregate Quality Testing	None	None		None
Ride Testing	CONTR, DME	CTRL		Yearly Calibration	System
Note 1- The DME may use different approaches for DOT, local agency, and contractor personnel. Note 2- When the District Laboratory is performing the verification gradation testing for a project. RCE-Resident Construction Engineer/Project Engineer DME-District Materials Engineer CTRL-Central Materials Office CONTR-Contractor

IAP Responsibilities
PCC Paving
Procedure to Check	To Whom	By Whom	How	Approach(1)
Core Sampling	RCE	Training	Training	System
Core Testing	RCE	DME	Test same cores- IM 216	Project
Air Sampling	RCE	DME	Observe	Both
Air Testing	RCE	DME	Side-by-side tests- IM 216	Both
Aggregate Grad. Sampling	RCE, CONTR(3)	Training or DME	Training or Observe	Both
Aggregate Grad. Testing	RCE, CONTR(3), DME(2)	DME	Split Test- IM 216	Both
Aggregate Quality Sampling	DME	Training/Demo.	Training	System
Aggregate Quality Testing	None	None
Cementitious Materials Sampling	DME	Training/Demo.	Training	System
Cementitious Materials Testing	None	None
Admixtures Sampling	DME	Training/Demo.	Training	System
Admixtures Testing	None	None
Ride Testing	CONTR, DME	CTRL	Yearly Calibration	System
Note 1- The DME may use different approaches for DOT, local agency, and contractor personnel. Note 2- When the District Laboratory is performing the verification gradation testing for a project. Note 3- QMC projects only. RCE-Resident Construction Engineer/Project Engineer DME-District Materials Engineer CTRL-Central Materials Office CONTR-Contractor

IAP Responsibilities
PCC Structures
Procedure to Check	To Whom	By Whom	How	Approach(1)
Slump Sampling	RCE	DME	Observe	Both
Slump Testing	RCE	DME	Observe or side-by-side tests- IM 216	Both
Air Sampling	RCE	DME	Observe	Both
Air Testing	RCE	DME	Side-by-side tests- IM 216	Both
Aggregate Grad. Sampling	CONTR, RCE	DME	Observe	Both
Aggregate Grad. Testing	RCE	DME	Split tests- IM 216	Both
Aggregate Quality Sampling	DME	Training/Demo.	Training	System
Aggregate Quality Testing	None	None
Cementitious Materials Sampling	DME	Training/Demo.	Training	System
Cementitious Materials Testing	None	None
Admixtures Sampling	DME	Training/Demo.	Training	System
Admixtures Testing	None	None
Ride Testing	CONTR, DME	CTRL	Yearly Calibration	System
Note 1- The DME may use different approaches for DOT, local agency, and contractor personnel. RCE-Resident Construction Engineer/Project Engineer                                                              DME-District Materials Engineer CTRL-Central Materials Office            CONTR-Contractor

IAP Responsibilities
Non-Proportioned Aggregates (Including Recycled)
Procedure to Check	To Whom	By Whom	How	Approach(1)
Aggregate Grad. Sampling	CONTR, DME	Training or DME	Training or Observe	Both
Aggregate Grad. Testing	CONTR, DME	DME	Proficiency or Split test IM 208/216	Both
Aggregate Quality Sampling	DME	Training/Demo.	Training	System
Aggregate Quality Testing	None	None
Note 1- The DME may use different approaches for DOT, local agency, and contractor personnel. RCE-Resident Construction Engineer/Project Engineer DME-District Materials Engineer CTRL-Central Materials Office CONTR-Contractor or Producer