AGGREGATE SPECIFICATION LIMITS & SAMPLING AND TESTING GUIDE
October 20, 2020				(See Specifications for Complete Details.)							Matls. IM 209
Supersedes April 21, 2020											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 20, 2020

(See Specifications for Complete Details.)

Matls. IM 209

Supersedes April 21 2020

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 20, 2020					(See Specifications for Complete Details.)										Matls. IM 209
Supersedes April 21, 2020															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
Granular Subbase
	4121	25					50												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			15			50														13a (Visual)
Choke Stone		Note: Choke stone see 4122.03 for details; when produced from Macadam has certified inspection of 1/3000 ton.13b
Modified Subbase
	4123			15			50							7 (Gravel)					4.7(-#40)		14
		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	10					40				5					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			10			40			0.5			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		10			40			0.5			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	15					45	6.0					2.0			0.01			1.0		Per Form 955
Type B
Primary	4127.02	25		10			45	6.0								0.01			1.5		Per Form 955
Non-Primary	4127.02	45		10			45	6.0								0.01			2.5		Per Form 955
		Note: Organic materials maximum 0.01%.
Fine Aggregate for HMA
Type A	4127.03										2.0					0.01					Per Form 955
Type B											5.0
		Note: Use Natural sand. For the wearing course 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.