Category:1018 Fly Ash for Concrete - Revision history

Hoskir: added sample size QRG per RR4205

2026-04-07T20:36:26Z

added sample size QRG per RR4205

← Older revision		Revision as of 15:36, 7 April 2026
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	\|-		\|-
	\|[https://www.modot.org/general-services-specifications-mgs-subject Current General Services Specifications (MGS) By Subject]		\|[https://www.modot.org/general-services-specifications-mgs-subject Current General Services Specifications (MGS) By Subject]
			\|-
			\|'''QRG'''
			\|-
			\|[https://epg.modot.org/forms/CM/Central_Lab_Sample_Sizes.xlsx Central Lab Sample Sizes]
	\|}		\|}

Hoskir: /* 1018.2.4 Destination Inspection of Approved or Certified Fly Ash */ updated per RR4160 - correct some sample sizes of material sent to the central lab

2026-02-02T16:00:17Z

1018.2.4 Destination Inspection of Approved or Certified Fly Ash: updated per RR4160 - correct some sample sizes of material sent to the central lab

← Older revision		Revision as of 11:00, 2 February 2026
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	The ready-mix, precast or paving plant operators shall furnish a copy of the bill of lading or delivery receipt for each shipment to MoDOT work.		The ready-mix, precast or paving plant operators shall furnish a copy of the bill of lading or delivery receipt for each shipment to MoDOT work.

	Use the following procedure to sample fly ash on paving jobs and at ready-mix plants. Samples shall weigh a minimum of 5 lb. (2.25 kg). Obtain samples from the storage bin or weigh hopper in one operation representing a brief period in the fly ash stream.		Use the following procedure to sample fly ash on paving jobs and at ready-mix plants. Samples shall weigh a minimum of 4 lb. (1.81 kg). Obtain samples from the storage bin or weigh hopper in one operation representing a brief period in the fly ash stream.

	Take a sample for each 600 tons (544 Mg) or portion thereof at destination for each paving job and submit to the Laboratory.		Take a sample for each 600 tons (544 Mg) or portion thereof at destination for each paving job and submit to the Laboratory.

Hoskir: /* 1018.5 Laboratory Procedures for Sec 1018 */ updated per RR4038

2025-07-11T16:04:40Z

1018.5 Laboratory Procedures for Sec 1018: updated per RR4038

← Older revision		Revision as of 11:04, 11 July 2025
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	Ash, that is manually sampled and tested every 400 tons, is to be held until the required tests have been run and the results are properly certified and are available for pick up by MoDOT personnel prior to shipment.		Ash, that is manually sampled and tested every 400 tons, is to be held until the required tests have been run and the results are properly certified and are available for pick up by MoDOT personnel prior to shipment.

	Ash, that is continually sampled and tested ~~via auto samplers~~ at a frequency and duration acceptable to the engineer, can be continuously shipped direct from a generating station silo, provided the following minimum criteria are met:		Ash, that is continually sampled and tested at a frequency and duration acceptable to the engineer, can be continuously shipped direct from a generating station silo, provided the following minimum criteria are met:
	:a. The storage silo has a minimum capacity of two days production or 1000 tons, whichever is the largest.		:a. The storage silo has a minimum capacity of two days production or 1000 tons, whichever is the largest.
	:b. The storage silo is full, and certified test results on the entire contents are available prior to the first shipment.		:b. The storage silo is full, and certified test results on the entire contents are available prior to the first shipment.
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	:d. A continual inventory of the quantity of ash in silos is maintained within one shift of being correct.		:d. A continual inventory of the quantity of ash in silos is maintained within one shift of being correct.
	:e. The engineer has free access to station facilities and records necessary to conduct inspection and sampling.		:e. The engineer has free access to station facilities and records necessary to conduct inspection and sampling.
	:f. All ash conveyance lines to the designated silo or silos will be sampled after precipitator collector and prior to entry into the designated silo(s)~~, or by an auto sampler~~ where designated by the engineer.		:f. All ash conveyance lines to the designated silo or silos will be sampled after precipitator collector and prior to entry into the designated silo(s) where designated by the engineer.
	:g~~. Each precipitator bank line shall have its own auto sampler placed per paragraph (f) above, if it does not join a common line with an auto sampler.~~		:g. The generating station personnel handle and expedite all documents required to ship by MoDOT Certification.
	:h. The allowance of one auto sampler in a common line serving multiple precipitator banks will depend on the placement of the auto sampler, tons of ash generated per day, the number of hoppers in each bank and the number of banks. This will be at the discretion of the engineer.
	:i. The generating station personnel handle and expedite all documents required to ship by MoDOT Certification.

	===1018.5.4 Plant Inspection===		===1018.5.4 Plant Inspection===

Hoskir: (CM)updated per RR 3694

2023-05-26T14:20:43Z

(CM)updated per RR 3694

← Older revision		Revision as of 09:20, 26 May 2023
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	====1018.2.2 Inspection and Sampling====		====1018.2.2 Inspection and Sampling====
	The ~~Field Materials~~ Chemist may coordinate with the marketing entity to obtain a semi-annual split sample of fly ash from each qualified source. Complete a sample record in AASHTOWARE Project (AWP) showing manufacturer, marketing entity, silo number, class and other pertinent information. Designate sample type as a " Split Sample". The marketing entity shall furnish test results on the split sample direct to the ~~Field Materials~~ Chemist within two weeks of completion.		The Senior Chemist may coordinate with the marketing entity to obtain a semi-annual split sample of fly ash from each qualified source. Complete a sample record in AASHTOWARE Project (AWP) showing manufacturer, marketing entity, silo number, class and other pertinent information. Designate sample type as a " Split Sample". The marketing entity shall furnish test results on the split sample direct to the Senior Chemist within two weeks of completion.

	====1018.2.3 Disqualified Facilities====		====1018.2.3 Disqualified Facilities====
	Fly ash marketing entities or terminals that fail to comply with the qualified status as set forth in Specification Sec 1018 will be required to designate the silo(s), bin(s), or storage facility from which they propose to furnish fly ash for MoDOT projects. The producer must sample, test, and report satisfactory test results for each designated silo, bin, or storage facility. Prior to any shipment and following a satisfactory report furnished to the		Fly ash marketing entities or terminals that fail to comply with the qualified status as set forth in Specification Sec 1018 will be required to designate the silo(s), bin(s), or storage facility from which they propose to furnish fly ash for MoDOT projects. The producer must sample, test, and report satisfactory test results for each designated silo, bin, or storage facility. Prior to any shipment and following a satisfactory report furnished to the
	Chemical Laboratory Director, each silo, bin, or storage facility will be sampled and sealed by the ~~Field Materials~~ Chemist. If the results of testing by the Central Laboratory are satisfactory, the sealed silo, bin, or storage facility will be approved. This procedure will continue until adequate quality control has been re-established.		Chemical Laboratory Director, each silo, bin, or storage facility will be sampled and sealed by the Senior Chemist. If the results of testing by the Central Laboratory are satisfactory, the sealed silo, bin, or storage facility will be approved. This procedure will continue until adequate quality control has been re-established.

	====1018.2.4 Destination Inspection of Approved or Certified Fly Ash====		====1018.2.4 Destination Inspection of Approved or Certified Fly Ash====
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	===1018.5.2 Procedure===		===1018.5.2 Procedure===
	Chemical analysis is to be conducted according to ASTM C114 and MoDOT Test Methods T46 and ~~T47~~. Original test data and calculations are to be recorded in Laboratory workbooks. Test results are to be recorded through AWP and retained on file in the Laboratory.		Chemical analysis is to be conducted according to ASTM C114 and MoDOT Test Methods T46 and T91. Original test data and calculations are to be recorded in Laboratory workbooks. Test results are to be recorded through AWP and retained on file in the Laboratory.

	Physical tests on the following are to be conducted in accordance with ASTM C311.		Physical tests on the following are to be conducted in accordance with ASTM C311.

Smithk: Per CM, removed archaic SiteManager info and replaced with AASHTOWARE info

2021-09-16T13:10:55Z

Per CM, removed archaic SiteManager info and replaced with AASHTOWARE info

Smithk: updated pre-qualified list link

2019-04-12T13:33:48Z

updated pre-qualified list link

← Older revision		Revision as of 08:33, 12 April 2019
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	\|'''Approved Products'''		\|'''Approved Products'''
	\|-		\|-
	\|[~~http~~://modot.~~mo.gov/business/materials~~/~~pdf~~/~~vol_1/FS1018T1.pdf~~ Qualified Fly Ash Sources]		\|[https://www.modot.org/media/475 Qualified Fly Ash Sources]
	\|-		\|-
	\|'''MGS Information'''		\|'''MGS Information'''
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	===1018.4 Qualified Fly Ash Sources===		===1018.4 Qualified Fly Ash Sources===

	Refer to [~~http~~://modot.~~mo.gov/business/materials~~/~~pdf~~/~~vol_1/FS1018T1.pdf~~ Qualified ~~Flyash~~ Sources] on MoDOT's website.		Refer to [https://www.modot.org/media/475 Qualified Fly Ash Sources] on MoDOT's website.

	==1018.5 Laboratory Procedures for Sec 1018==		==1018.5 Laboratory Procedures for Sec 1018==

Smithk: updated link

2018-10-11T20:06:21Z

updated link

← Older revision		Revision as of 15:06, 11 October 2018
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	\|'''MGS Information'''		\|'''MGS Information'''
	\|-		\|-
	\|[~~http~~://www.modot.~~mo.gov/business/materials/pdf~~/mgs~~/MGSINDEX.pdf~~ Current General Services Specifications (MGS) By Subject]		\|[https://www.modot.org/general-services-specifications-mgs-subject Current General Services Specifications (MGS) By Subject]
	\|}		\|}

Smithk: updated links

2016-06-15T15:56:00Z

updated links

← Older revision		Revision as of 10:56, 15 June 2016
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	This article establishes procedures for inspecting, [[106.3 Samples, Tests and Cited Specifications#106.3.1 Sampling\|sampling]], and accepting fly ash at the source and destination and to establish a list of qualified fly ash sources. Refer to [http://www.modot.~~mo.gov~~/business/standards_and_specs/~~Sec1018~~.pdf Sec 1018] for MoDOT’s specifications.		This article establishes procedures for inspecting, [[106.3 Samples, Tests and Cited Specifications#106.3.1 Sampling\|sampling]], and accepting fly ash at the source and destination and to establish a list of qualified fly ash sources. Refer to [http://www.modot.org/business/standards_and_specs/SpecbookEPG.pdf#page=14 Sec 1018] for MoDOT’s specifications.

	{\|style="padding: 0.3em; margin-left:15px; border:1px solid #a9a9a9; text-align:center; font-size: 95%; background:#f5f5f5" width="160px" align="right"		{\|style="padding: 0.3em; margin-left:15px; border:1px solid #a9a9a9; text-align:center; font-size: 95%; background:#f5f5f5" width="160px" align="right"
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	====1018.2.1 Source Acceptance and Qualification====		====1018.2.1 Source Acceptance and Qualification====
	All fly ash for use in MoDOT projects must be furnished from a qualified marketing entity or a qualified terminal and must comply with the requirements of [http://www.modot.~~mo.gov~~/business/standards_and_specs/~~Sec1018~~.pdf Sec 1018]. The procedures for qualification are listed in Sec 1018. Questions from potential suppliers concerning qualification are to be directed to the Central Office. The latest copy of each marketing entity's quality control plan is to be kept on file in the Central Office. Send any updates to the quality control plan directly to the Chemical Laboratory Director.		All fly ash for use in MoDOT projects must be furnished from a qualified marketing entity or a qualified terminal and must comply with the requirements of [http://www.modot.org/business/standards_and_specs/SpecbookEPG.pdf#page=14 Sec 1018]. The procedures for qualification are listed in Sec 1018. Questions from potential suppliers concerning qualification are to be directed to the Central Office. The latest copy of each marketing entity's quality control plan is to be kept on file in the Central Office. Send any updates to the quality control plan directly to the Chemical Laboratory Director.

	====1018.2.2 Inspection and Sampling====		====1018.2.2 Inspection and Sampling====
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	Place the samples taken at destination in a canvas bag containing a plastic liner and ship to the Central Laboratory. Complete a sample record in SiteManager and show the manufacturer, marketing entity, silo or bin number, type, and other pertinent information such as contractor, plant location, and county. Designate the sample type "Proj-Check Sample".		Place the samples taken at destination in a canvas bag containing a plastic liner and ship to the Central Laboratory. Complete a sample record in SiteManager and show the manufacturer, marketing entity, silo or bin number, type, and other pertinent information such as contractor, plant location, and county. Designate the sample type "Proj-Check Sample".

	The district is to ensure that the qualified marketing entity is certifying each shipment in accordance with [http://www.modot.~~mo.gov~~/business/standards_and_specs/~~Sec1018~~.pdf Sec 1018] including all requirements for signatures and shipments from other entities.		The district is to ensure that the qualified marketing entity is certifying each shipment in accordance with [http://www.modot.org/business/standards_and_specs/SpecbookEPG.pdf#page=14 Sec 1018] including all requirements for signatures and shipments from other entities.

	===1018.3 Report===		===1018.3 Report===

Smithk: updated link

2013-08-22T14:44:06Z

updated link

← Older revision		Revision as of 09:44, 22 August 2013
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	===1018.5.5 Sample Record===		===1018.5.5 Sample Record===
	The sample record shall be completed in SiteManager, as described in [~~http~~:~~//contribute.modot.mo.gov/business/materials/pdf/vol_3/AS3510~~.~~pdf Automation Section 3510~~], and shall indicate acceptance, qualified acceptance, or rejection. Appropriate remarks, as described in [[106.20 Reporting\|EPG 106.20 Reporting]], are to be included in the remarks to clarify conditions of acceptance or rejections. Test results shall be reported on the appropriate templates under the Tests tab.		The sample record shall be completed in SiteManager, as described in [[:Category:101 Standard Forms#Sample Record General Information\| Sample Record General Information]] [[image:bulldozer.jpg\|20px]], and shall indicate acceptance, qualified acceptance, or rejection. Appropriate remarks, as described in [[106.20 Reporting\|EPG 106.20 Reporting]], are to be included in the remarks to clarify conditions of acceptance or rejections. Test results shall be reported on the appropriate templates under the Tests tab.

Smithk: /* 1018.5.5 Sample Record */ Per CM, updated link to AS 3510

2011-07-06T12:37:35Z

1018.5.5 Sample Record: Per CM, updated link to AS 3510

← Older revision		Revision as of 07:37, 6 July 2011
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	===1018.5.5 Sample Record===		===1018.5.5 Sample Record===
	The sample record shall be completed in SiteManager, as described in [http://~~wwwi~~/~~intranet~~/cm/~~materials~~/vol_3/AS3510.pdf Automation Section 3510], and shall indicate acceptance, qualified acceptance, or rejection. Appropriate remarks, as described in [[106.20 Reporting\|EPG 106.20 Reporting]], are to be included in the remarks to clarify conditions of acceptance or rejections. Test results shall be reported on the appropriate templates under the Tests tab.		The sample record shall be completed in SiteManager, as described in [http://contribute.modot.mo.gov/business/materials/pdf/vol_3/AS3510.pdf Automation Section 3510], and shall indicate acceptance, qualified acceptance, or rejection. Appropriate remarks, as described in [[106.20 Reporting\|EPG 106.20 Reporting]], are to be included in the remarks to clarify conditions of acceptance or rejections. Test results shall be reported on the appropriate templates under the Tests tab.

← Older revision		Revision as of 08:10, 16 September 2021
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	====1018.2.2 Inspection and Sampling====		====1018.2.2 Inspection and Sampling====
	The Field Materials Chemist may coordinate with the marketing entity to obtain a semi-annual split sample of fly ash from each qualified source. Complete a sample record in ~~SiteManager~~ showing manufacturer, marketing entity, silo number, class and other pertinent information. Designate sample type as a " Split Sample". The marketing entity shall furnish test results on the split sample direct to the Field Materials Chemist within two weeks of completion.		The Field Materials Chemist may coordinate with the marketing entity to obtain a semi-annual split sample of fly ash from each qualified source. Complete a sample record in AASHTOWARE Project (AWP) showing manufacturer, marketing entity, silo number, class and other pertinent information. Designate sample type as a " Split Sample". The marketing entity shall furnish test results on the split sample direct to the Field Materials Chemist within two weeks of completion.

	====1018.2.3 Disqualified Facilities====		====1018.2.3 Disqualified Facilities====
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	At ready-mix or precast plants, take a sample for each 600 tons (544 Mg) or portion thereof with a minimum of one sample every other month during the period that the ready-mix or precast plant is furnishing fly ash modified concrete for MoDOT work.		At ready-mix or precast plants, take a sample for each 600 tons (544 Mg) or portion thereof with a minimum of one sample every other month during the period that the ready-mix or precast plant is furnishing fly ash modified concrete for MoDOT work.

	Place the samples taken at destination in a canvas bag containing a plastic liner and ship to the Central Laboratory. Complete a sample record in ~~SiteManager~~ and show the manufacturer, marketing entity, silo or bin number, type, and other pertinent information such as contractor, plant location, and county. Designate the sample type "Proj-Check Sample".		Place the samples taken at destination in a canvas bag containing a plastic liner and ship to the Central Laboratory. Complete a sample record in AWP and show the manufacturer, marketing entity, silo or bin number, type, and other pertinent information such as contractor, plant location, and county. Designate the sample type "Proj-Check Sample".

	The district is to ensure that the qualified marketing entity is certifying each shipment in accordance with [http://www.modot.org/business/standards_and_specs/SpecbookEPG.pdf#page=14 Sec 1018] including all requirements for signatures and shipments from other entities.		The district is to ensure that the qualified marketing entity is certifying each shipment in accordance with [http://www.modot.org/business/standards_and_specs/SpecbookEPG.pdf#page=14 Sec 1018] including all requirements for signatures and shipments from other entities.
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	===1018.5.2 Procedure===		===1018.5.2 Procedure===
	Chemical analysis is to be conducted according to ASTM C114 and MoDOT Test Methods T46 and T47. Original test data and calculations are to be recorded in Laboratory workbooks. Test results are to be recorded through ~~SiteManager~~ and retained on file in the Laboratory.		Chemical analysis is to be conducted according to ASTM C114 and MoDOT Test Methods T46 and T47. Original test data and calculations are to be recorded in Laboratory workbooks. Test results are to be recorded through AWP and retained on file in the Laboratory.

	Physical tests on the following are to be conducted in accordance with ASTM C311.		Physical tests on the following are to be conducted in accordance with ASTM C311.
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	:(d) Soundness, autoclave ASTM C311		:(d) Soundness, autoclave ASTM C311
	:(e) Specific Gravity ASTM C311		:(e) Specific Gravity ASTM C311
	Original test data and calculations are to be recorded in Laboratory workbooks. Test results are to be recorded through ~~SiteManager~~ and retained on file in the Laboratory.		Original test data and calculations are to be recorded in Laboratory workbooks. Test results are to be recorded through AWP and retained on file in the Laboratory.

	===1018.5.3 Source Acceptance===		===1018.5.3 Source Acceptance===
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	===1018.5.5 Sample Record===		===1018.5.5 Sample Record===
	The sample record shall be completed in ~~SiteManager, as described~~ in [[:Category:101 Standard Forms#Sample Record General ~~Information~~\| Sample Record General ~~Information]] [[image:bulldozer.jpg\|20px~~]], and shall indicate acceptance, qualified acceptance, or rejection. Appropriate remarks, as described in [[106.20 Reporting\|EPG 106.20 Reporting]], are to be included in the remarks to clarify conditions of acceptance or rejections. Test results shall be reported on the appropriate templates under the Tests tab.		The sample record shall be completed in AASHTOWARE Project (AWP) in accordance with [[:Category:101 Standard Forms #Sample Record, General\|AWP MA Sample Record, General]], and shall indicate acceptance, qualified acceptance, or rejection. Appropriate remarks, as described in [[106.20 Reporting\|EPG 106.20 Reporting]], are to be included in the remarks to clarify conditions of acceptance or rejections. Test results shall be reported on the appropriate templates under the Tests tab.