AGGREGATE SPECIFICATION LIMITS & SAMPLING AND TESTING GUIDE
October 16, 2018				(See Specifications for Complete Details.)							Matls. IM 209
Supersedes October 27, 2017											Appendix C

TEST LIMITS	Spec #	F & T A	F & T C		LA Abrasion	Absorption	Chert	Shale	Clay Lumps	Plastic Index		Organic Material	Al₂O₃ Limit	Pore Index	Gradation Number
Fine Aggregate for PCC
PCC	4110							2							1
		Note: Maximum 40% between sieves
		Note: The fineness modulus must be no lower than 2.60. A target fineness modulus (or base-line) will be established for each source for continued approval.
		Note: Shale + Coal not to exceed 2% max.
PCC, Class L	4111							2							1
		Note: Only from approved PCC sources.
		Note: Maximum 45% between sieves and must have a fineness modulus no lower than 2.30.
		Note: Shale + Coal not to exceed 2%max.
Intermediate Aggregate for PCC
Crushed Stone and Pea Gravel	4112	6							0.5				0.5		2
		Note: For Pea Gravel see Table 4112.03-2 for maximum allowable objectionable materials
Coarse Aggregate for PCC
Crushed Stone	4115
-Structural		6			50		2	1	0.5			0.01	0.5		3-5
-Nonstructural		6			50		3	1	0.5			0.01	0.5		3-5
		Note: See 4115.02 for maximum allowable objectionable materials.
Gravel	4115
-Structural		6			35		2	1	0.5						3-5
-Nonstructural		6			35		3	1	0.5						3-5
		Note: See 4115.02 for maximum allowable objectionable materials.
Bridge Deck	4115.05
-Surfacing, Repair & Overlay		6			40	2.5	0.5					0.01	0.4		6
		Note: Unsound Chert+Shale+Coal+Iron not to exceed 1%.
		Note: Unsound Chert particles are defined in 4115.02.

AGGREGATE SPECIFICATION LIMITS & SAMPLING AND TESTING GUIDE

October 16, 2018

(See Specifications for Complete Details.)

Matls. IM 209

Supersedes October 17, 2017

Appendix C

TEST LIMITS

Spec #

F & T

LA Abrasion

Absorption

Chert

Shale

Clay Lumps

Plastic Index

Organic Material

Al₂O₃ Limit

Pore Index

Gradation Number

Class V Aggregate

4117

2 (+#16)

Note: Coarse Aggregates as in 4115 (except abrasion) and Fine Aggregates as in 4110.

Combination of Materials With Class V

Coarse Limestone

Limestone Screenings

Note: See 4117 for cement requirements.

Note: Acquire limestone from sources meeting the specified coarse aggregate durability class for PCC.

Note: Must meet the requirements of 4115 and be only from sources acceptable as coarse aggregate.

Pipe Bedding

Aggregate

4118.02

(Non-Primary Roads)

Note: >75% Crushed Gravel or Crushed Stone. Crushed PCC may be used if approved by the Engineer.

Pipe Bedding and Backfill

Aggregate

4119.02

10,11

(Interstate and Primary)

Note: >75% Crushed Gravel or Crushed Stone. Crushed PCC may be used if approved by the Engineer.

Note: If a Crushed Gravel is used meet the requirements of 4120.03.

Granular Surfacing

Aggregate for Granular Shoulders

4120.02

Per 4120.02

Note: Requirements are equivalent to 4120.04, 4120.05 or 4120.06.

Class C Gravel

4120.03

Note: Percent of Clay Lumps + percent passing #200 sieve not to exceed 15%.

Note: Percent of Clay Lumps + percent of (+4) shale + percent passing #200 not to exceed 20%.

Class A Crushed Stone

4120.04

Note: For shoulders only; material with Al₂O₃ not exceeding 0.7 or A-freeze not exceeding 10 may have an abrasion Stone maximum of 55.

Class B Crushed Stone

4120.05

Note: “C” Freeze + Abrasion not to exceed 65%

Class D Crushed Stone

4120.06

Note: “C” Freeze, Abrasion, and Gradation to be specified by Contract Documents.

Paved Shoulders Fillets

4120.07

Note: Material with Al₂O₃ not exceeding 0.7 or A-freeze not exceeding 10 may have an abrasion maximum of 55.

AGGREGATE SPECIFICATION LIMITS & SAMPLING AND TESTING GUIDE

October 16, 2018

(See Specifications for Complete Details.)

Matls. IM 209

Supersedes October 17, 2017

Appendix C

TEST LIMITS

Spec #

F & T

LA Abrasion

Absorption

Chert

Shale

Clay Lumps

Plastic Index

Organic Material

Al₂O₃ Limit

Pore Index

Gradation Number

Granular Subbase

4121

1.5

12a(Cr. St.) 12b(Grav.)

Note: Combinations of crushed PCC, sand, crushed gravel, or crushed stone may be used.

Note: Specification limits are for crushed stone or crushed gravel.

Crushed Stone-Base

Macadam Stone

4122

13 (Visual) Per 4122.02

Note: Choke stone see 4122.03 for details; when produced from Macadam has certified inspection of 1/3000 ton.

Modified Subbase

4123

(Gravel)

4.7(-#40)

Note: Material with Al₂O₃ not exceeding 0.7 (+4) or A-freeze not exceeding 10 may have an abrasion maximum of 55.

Note: If gravel only, 75% of +3/8” must be crushed with a minimum of one fractured face.

Note: Reclaimed pavements meeting Materials IM 210 may be used with no more than 50% RAP.

Aggregate for Slurry Mixture

4124.03

0.01

0.7

22 or 23

Note: Friction Type 4 or better, sand equivalent of not less than 45, and organic materials maximum 0.01%.

Aggregate for Bituminous Sealcoat

4125.03

0.5

1, 19-21

Note: Friction Type 4 or better, shale on sand cover aggregate shall not exceed 2% maximum.

Aggregate for Polymer-Modified Microsurfacing

4126.03

0.5

0.01

0.7

37, 38

Note: Sand Equivalence of 45 Minimum. Note: Total of all combined unsound chert+shale+coal+iron 1.0

Note: For Friction Type 2 crushed stone requires Abrasion loss 30 max and Sand Equivalence of 60 Minimum.

Coarse Aggregate for HMA

Type A

4127.02

6.0

2.0

0.01

1.0

Per Form 955

Type B

Primary

4127.02

6.0

0.01

1.5

Per Form 955

Non-Primary

4127.02

6.0

0.01

2.5

Per Form 955

Note: Organic materials maximum 0.01%.

Fine Aggregate for HMA

4127.03

0.01

Per Form 955

Note: Natural sand shall have no more than 50% retained between two consecutive sieves below the #4 sieve.

Note: Crushed gravel or stone processed from coarse aggregate meeting requirements of 4127.02.

AGGREGATE SPECIFICATION LIMITS & SAMPLING AND TESTING GUIDE

October 16, 2018

(See Specifications for Complete Details.)

Matls. IM 209

Supersedes October 17, 2017

Appendix C

TEST LIMITS

Spec #

F & T

LA Abrasion

Absorption

Chert

Shale

Clay Lumps

Plastic Index

Organic Material

Al₂O₃ Limit

Pore Index

Gradation Number

Combination of Materials

Type A

4127.04

Per Form 955

Note: The fine portion of combined materials shall not exceed 2% shale retained on the #16 sieve.

Type B

Note: The fine portion of combined materials shall not exceed 5% shale retained on the #16 sieve.

Stabilization (Foundation) Material

4128.03

Revetment Stone

Note: Rocks that split into layers less than 4” thick shall not be used.

Class A

4130.01

0.7

Visual

Class B

4130.01

0.7

Visual

Class D

4130.01

Visual

Class E and C

4130.01

0.7

Visual

Note: See Specification 4130.01 for bedding plane/concrete slab thickness requirements.

Note: See 4130.02 for gradation requirements.

Erosion and Gabion Stone

Erosion Stone

4130.05

Visual

Note: See 4130.04 for gradation requirements.

Gabion Stone

4130.08

0.7

Visual

Note: See 4130.07 for gradation requirements.

Porous Backfill

4131

5(+4)

0.7

Note: Material shall be free of visible clay and objectionable clay coating.

Special Backfill

4132.01

30,31

Crushed Stone/PCC/CCP/Reclaimed HMA; Mixtures of Gravel, Sand and Soil or Uniformly blended combinations of the above.

Gravel

4132.03

Note: Organic material of no more than 1% on fraction passing the #40 sieve.

Granular Backfill

4133

32 (see note 2)

Note: “C” Freeze + Abrasion not to exceed 65%.

Note: When backfill is under flowable mortar see 4133.04 for gradations.

Floodable Backfill

4134

Note: Meet requirements for gradations No. 1, 5, or 36.

Recycled PCC

Note: Recycled PCC and Recycled Composite must meet gradation and sampling frequency of the intended product; and meet the requirements of IM 210.

Recycled Composite