Sampling & Testing Guide-Minimum Frequency

 

CONCRETE DRILLED SHAFT FOUNDATIONS

April 15, 2025

Section 2433

Matls. IM 204

Supersedes October 15, 2019

 

Appendix I

 

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

Aggregate-Fine (4110)

 

AS                209

 

 

 

 

 

 

 

 

 

 

 

 

 

Aggregate-Coarse (4115)

 

 

AS                209

 

 

 

 

 

 

 

 

 

 

 

 

Portland

Cement (4101)

Quality

AS                401

 

 

 

 

 

 

 

 

 

 

 

 

Fly Ash (4108)

Quality

 

AS            491.17

 

 

 

 

 

 

 

 

 

 

 

 

Mixing Water (4102)

Quality

 

 

 

 

 

 

 

 

 

DME

1/project

1 quart

CTRL

731

Not required for potable water from Municipal Supply

Air Entraining Admixture

Quality

AB                403

 

 

 

 

 

 

 

 

 

 

 

 

Retarding Admixture

Quality

AB                403

 

 

 

 

 

 

 

 

 

 

 

 

Reinforcing Steel Bars (4151)

Quality

 

AS                451

 

 

 

 

 

 

 

 

 

 

 

 

Permanent Casing

Quality

                   Cert

 

 

 

 

 

 

 

 

 

 

 

According to plans or other instructions

Drilling Slurry

 

Visual           2433

 

 

 

 

 

 

 

 

 

 

 

 

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                                                                  

   AB-Approved Brand                                                                                                                          CONTR-Contractor

Quality samples not required when mix quantity is less than 50 cu. yd.

NOTE: For Local agency projects with no Federal funding, Independent Assurance, IA, tests are not required.

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.

 

 

 

 

Sampling & Testing Guide-Minimum Frequency

 

CONCRETE DRILLED SHAFT FOUNDATIONS

April 15, 2025

Section 2433

Matls. IM 204

Supersedes October 15, 2019

 

Appendix I

 

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

 
PLANT INSPECTION

Aggregate- Fine (4110)

Gradation

              302, 306

                    336

CONTR

IM 528

IM 301

CONTR

 

V

 

 

IA

RCE/

CONTR

 

DME

Sample 1/wk Test 1st day +20%

1/project

IM 301

IM 301

DME

RCE

 

 

 

System Approach Applicable

 

Moisture

              308, 528

CONTR

IM 528

1000 gm

CONTR

 

 

 

 

 

 

See IM 528 if Moisture Probe is used

 

Sp. Gr.

                    307

CONTR

IM 528

1000 gm

CONTR

 

 

 

 

 

 

 

 

Quality

AS                209

 

 

 

 

 

 

 

 

 

 

 

Aggregate- Coarse (4115)

Gradation

              302, 306

                    336

CONTR

IM 528

IM 301

CONTR

V

 

 

IA

RCE/

CONTR

 

DME

Sample 1/wk Test 1st day +20%

1/project

IM 301

IM 301

DME

RCE

 

 

 

System Approach Applicable

 

Moisture

              308, 528

CONTR

IM 528

2000gm

CONTR

 

 

 

 

 

 

 

 

Sp. Gr.

                    307

CONTR

IM 528

2000gm

CONTR

 

 

 

 

 

 

 

 

Quality

AS                209

 

 

 

 

V

DME

1/1000  cy

50 lb

CTRL

 

 

Portland Cement

w/c ratio

                    528

 

CONTR

1/pour

 

CONTR

 

 

 

 

 

 

 

Quality

AS               Cert

 

 

 

 

V

DME

1/1000 cy

15 lb

CTRL

 

 

Fly Ash

Quality

AS               Cert

 

Each Load

 

 

800240

 

 

 

 

 

 

 

Air-Entraining Admixture (4103)

 

AB                403

 

 

 

 

 

V

DME/RCE

1/lot

1 pint

CTRL

 

Sample lots not previously reported or as required by DME

Retarding Admixture

 

AB                403

 

 

 

 

 

V

DME/RCE

1/lot

1 pint

CTRL

 

Sample lots not previously reported or as required by DME

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                                                              

AB-Approved Brand                                                                                                                                 CONTR-Contractor

Quality samples not required when mix quantity is less than 50 cu. yd.

NOTE: For Local agency projects with no Federal funding, Independent Assurance, IA, tests are not required.

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.

 

Sampling & Testing Guide-Minimum Frequency

 

CONCRETE DRILLED SHAFT FOUNDATIONS

April 15, 2025

Section 2433

Matls. IM 204

Supersedes October 15, 2019

 

Appendix I

 

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

 

GRADE INSPECTION                             

Plastic Concrete

Air Content

               316, 327

 

 

 

 

 

V

IA

RCE

1/30 cy

 

RCE

DME

 

DME may adjust

 

Slump

               317, 327

 

 

 

 

V

IA

RCE

1/30 cy

 

RCE

DME

 

DME may adjust

 

Cylinders

 

 

 

 

 

 

 

DME

3/project

 

DME

 

Primary Projects Only

(Information only)

Reinforcing Steel (4151)

Quality

AS                Cert

 

Each

Shipment

 

 

Field Book

 

 

 

 

 

 

 

Metal Access Pipe

 

Visual

 

 

 

 

 

 

 

 

 

 

 

 

Drilling Slurry

Density, Viscosity, pH, Sand Content

                      387

CONTR

1/ 2 hours

 

CONTR

 

 

 

 

 

 

 

1/ 4 hours if consistent

Crosshole Sonic Log Test

 

2433

CONTR

1/shaft

 

CONTR

Report, Analysis, Inter-pretation

 

 

 

 

 

 

 

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

Quality samples not required when mix quantity is less than 50 cu. yd.

NOTE:  IA may be accomplished by system approach or on a per project basis (IA at 1 per project) at the discretion of the DME according to IM 207.

NOTE: For Local agency projects with no Federal funding Independent Assurance, IA, tests are not required.

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.