|701.01 through 701.09 Cementitious Materials|
701.01,701.02, 701.04, 701.05, 701.07, 701.09 C&MS.
2. Sampling and/or Inspection Requirements:
Approval for use of cement will be under one of the following acceptance plans:
Cements shall be certified in accordance with S-1028. Refer to the Certified Supplier List the OMM website http://www.dot.state.oh.us/Divisions/ConstructionMgt/Materials/Pages/CertifiedSuppliers.aspx to determine if the Producer/Supplier's cement is certified. If certified, it may be used immediately.
Obtain check samples in accordance with sampling procedures at a minimum of one sample per 180 days from each Ready Mix Producer for each type and brand of cement used in production for State jobs. (Field)
Only an original bill of lading with certification statement shall be acceptable. All samples shall be submitted to the OMM Cement and Concrete Section in a one-half gallon friction-top, airtight container supplied by the Department. The TE-31 with an original copy of the bill of lading attached shall be placed in a sealed envelope. The envelope and a completed TE-10 shipping tag shall be securely attached to the container. (Field)
Uncertified cement is a material type not listed on the certified list and must be sampled, tested and approved by the Department before use. (OMM).
Take one sample for every 100 tons, or fraction thereof. (Field)
Certified masonry cement may be used at once. Check samples should be obtained per 701 Cementitious Materials.
Uncertified masonry cement samples shall be taken at the rate of one per each 1000 bags, or fraction thereof. The sample shall be a composite from increments taken from one bag in each 125 bags of a shipment. (Field)
Sampling shall be by the "grab sample" method, using one of the following procedures. (Field)
Sample Scooped from Top of Load
This method of sampling is carried out from the top of the delivery tanker through an open manhole. The top six inches of cement should be pushed aside in the area where the sample will be taken. The sample is then scooped from the exposed cement, making sure that at least ten pounds of cement is obtained for the sample. A half-gallon container, securely fastened to the end of a pole, should enable the sampler to obtain the sample in two or three scoops. Tap the sample container sharply several times to facilitate settling the cement.
Sampling by Use of Sampling Tube
The sample is taken through the open manhole on top of the delivery tanker. The sampling tube is forced vertically through the full depth of the cement. The hole is closed and the tube withdrawn and emptied into the sampling container. Tap the sample container sharply several times to facilitate settling the cement. This is repeated until the ten pound sample is obtained.
Packaged Cement Sample:
Samples shall be taken at the rate of one per 1000 bags delivered; or fraction thereof.
The sample shall consist of a composite obtained by sampling one bag for each 125 bags, or fraction thereof, delivered. The sample increment is obtained by forcing a sampling tube diagonally through the sampling port to the full depth of the bag. The hole is closed and the tube withdrawn and emptied into the sampling container. Approximately equal increments shall be taken from each sampled bag to make up the total sample.
3. Methods of Tests:
(OMM Cement and Concrete Section)
701.01, 701.02, 701.04, 701.05 - ASTM C 150
701.07 - ASTM C91
701.09 - ASTM C 595, Type I Slag Modified (SM)