October 15, 2019

Supersedes April 15, 2014

Sampling & Testing Guide-Minimum Frequency

 

SURFACE TREATMENT (Seal Coat, Microsurfacing, Slurry, Joint Repair, Crack Filling, Fog Seal)

Section 2307, 2319, 2540, 2544, 2306, 2308

Matls. IM 204

Appendix P (US) Units

 

MATERIAL OR

 CONSTRUCTION

ITEM

 

 

 

TESTS

 

METHOD OF

ACCEPTANCE

&

RELATED IMs

 

QUALITY CONTROL

 

INDEPENDENT ASSURANCE
& VERIFICATION S&T

 

REMARKS

 

 

SAMPLE

BY

 

FREQ.

 

SAMPLE

SIZE

 

TEST

BY

 

REPORT

 

S&T

TYPE

 

SAMPLE

BY

 

FREQ.

 

SAMPLE

SIZE

 

TEST

BY

 

REPORT

 
SOURCE INSPECTION

Aggregates (4125)

Quality

Gradation

AS                      209

 

 

 

 

 

 

 

 

 

 

 

 

 

Emulsions/

Cutbacks

Quality

 

AS                      437

 

 

 

 

 

 

 

 

 

 

 

 

Emulsion & Aggregate

Compatibility

                           349

 

 

 

 

 

 

DME

1/ source

1 qt & 10lb

DME/

CTRL

 

Seal Coat

 

 

                                

 

 

 

 

 

 

 

 

 

 

 

 

Emulsion & Aggregate

Mix Design

 

                                

 

 

 

 

 

 

 

 

 

 

 

Slurry& Microsurfacing

 

 

 

                                

 

 

 

 

 

 

 

 

 

 

 

 

 
GRADE INSPECTION

Aggregate

Quality

Gradation

                           301

Cert

 

 

 

 

 

V

DME

1/proj.

50 lb

CTRL

 

Seal Coat

Emulsion

 

 

 

Quality

Residue

 

Compatibility

Cert                         

                  323, 360

 

                           349

 

 

 

 

 

 

V

 

V

 

RCE

 

RCE

 

1/20,000 gal

 

1st day+ 1/week

 

1 qt

 

1 qt & 10 lb

 

DME

 

DME

(2)

 (1)

 

Seal Coat

Cutback

Quality

Viscosity

 

Anti-Strip

Cert                         

                  323

 

AS              323, 374

 

 

 

 

 

 

 

 

 

 

 

 

AS-Approved Source                                        Cert- Certification Statement                              RCE-Resident Construction Engineer/Project Engineer                            IA-Independent Assurance

ASD-Approved Shop Drawing                                                                                                  DME-District Materials Engineer                                                              V-Verification

S&T-Sampling & Testing                                                                                                          CTRL-Central Laboratory                                                                      

                                                                                                                                              CONTR-Contractor

 

Emulsion samples in plastic bottles only.

No samples required for joint repair, crack filling, and fog seal. Acceptance based on certification only.

(1) Sample emulsion for full width placement seal coat, slurry, and microsurfacing only.

(2) Log all shipments

 

NOTE: For Local agency projects with no Federal funding, verification samples or monitor samples sampled by the DME are not required. These samples may be sampled by the contracting authority. With prior approval, these samples may be tested by the Iowa Department of Transportation Central Laboratory.