OPC 53Grade Cement_23140103

Plan No:MP/QP/OPC/02

Rev.: 0

w.e.f : 14.11.2007

23140103 Reference Standards: IS 12269:1987,IS4031:1968,IS650:1966

Sl. No.

Parameter Specification / Acceptance Criteriaother Ref.

Testing Method Ref. Standard Frequency Sample Size Record

A Physical Requirements

1 Fineness

a Specific Surface 225 Min. m2/kg Baline air permeability method( IS 4031-PII ) IS12269:1987 Every BatchRefer Sampling

PlanMP/RI/OPC/02

2 Soundness

a Lechatilier(mm) 10mm Max. Le-Chatelier method IS12269:1987 Every BatchRefer Sampling

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Refer Sampling

Material Code/Service Code :

Material Standard

Material Description : 53 Grade Ordinary Portland Cement

b Autoclave(%) 0.8% Max. Le-Chatelier method IS12269:1987 Every BatchRefer Sampling

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3 Setting Time

a Initial setting Time 30 minutes Min. Vicat Apparatus method MP/RI/OPC/02

b Final setting time 600 minutes Max. Vicat Apparatus method MP/RI/OPC/02

4 Manufacturers Test Certificate Test Certificate to be enclosed with each batch Test Certificate to be verified against Quality Plan Every Batch 100% MP/RI/OPC/02

5 Temperature for Testing 27 ± 2° C ThermometerIS12269:1987

10.2Every time

testingRefer Sampling

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6 Avg. net mass of cement/Bag

a Avg. net mass of cement/Bag

The number of bags in a sample showing a minus error greater than 2 percent of the specified net mass (50 kg) shall be not more than 5 percent of the bags in the sample. Also the minus error in none of such bags in the sample shall exceed 4 percent of the specified net mass of cement in the bag.

IS 3535 weigh Balance IS12269:1987 Every Batch 5 No's MP/RI/OPC/02

b Wagon/truck load up to 25 tonnes, the overall tolerance on net mass of cement shall be 0 to + 0.5 percent.

IS 3535 weigh Balance IS12269:1987 Every Batch Refer Sampling Plan 1 MP/RI/PPC/01

7 Compressive Strength

a 72 ± 1 Hour 27 MPa Min.Refer Sampling

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b 168 ± 2 Hour 37 MPa Min.Refer Sampling

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c 672 ± 4 Hour 53 MPa Min.Refer Sampling

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Refer Sampling Plan

IS12269:1987 Every Batch

Every Batch

The average compressive strength of not less than three mortar cubes ( area of face 50 cm2) composed of one part of cement, three parts of standard sand by mass, and P/4 + 3.0 % (of combined mass of cement and sand) water, and prepared, st

IS 650:1966 & IS 4031:1968

MAYTAS Specification of 6


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Material Standard


8 Performance Improver - Flyash 5% Max. Asper IS 3812 (Psat 1) IS 12269:1987 Every BatchRefer Sampling

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9Consistency of the standard cement Paste

to penetrate to a point 5 to 7 mm CPWD IS : 4031 ( Part 4 ) - 1988 IS 12269:1987 Every BatchRefer Sampling

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B Chemical Requirements

10Ratio of percentage of lime to percentages of silica, alumina and iron oxide

0.80 to 1.02 IS12269:1987Refer Sampling

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11Ratio of percentage of alumina to that of iron oxide

0.66 % Min. IS12269:1987Refer Sampling

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12 Insoluble residue percent by mass 5 % Max IS12269:1987Refer Sampling

MP/RI/OPC/0212 Insoluble residue, percent by mass 5 % Max. IS12269:1987Plan

MP/RI/OPC/02

13 Magnesia, percent by mass 6 % Max. IS12269:1987Refer Sampling

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14Sulphuric anhydride ( SO2) . Percent by mass

3.0 % Max. IS12269:1987Refer Sampling

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15 Total loss on ignition 4 % Max. IS12269:1987Refer Sampling

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16 Cloride 0.10 % Max. IS12269:1987Refer Sampling

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C Environmental

Packing

The cement shall be packed in bags [jute sacking bag, double hcssian bituminized, (CR1 type ), multiwall paper, polyethylene lined ( CR1 type ) jute, light weight jute , woven HDPE ,woven polypropylene, jute synthetic union or any other approved composit

Visual IS12269:1987 8.1 Every Batch 5 No's MP/RI/OPC/02

Make & Grade As per PO Visual PO Every Batch 5 No's MP/RI/OPC/02

Batch / Week no. Not more than 4 weeks old Visual PO Every Batch 5 No's MP/RI/OPC/02

Condition of Bags Without holes and untampered stitching. Visual PO Every Batch 5 No's MP/RI/OPC/02

Discourage use of Plastic/ Polythene packing Visual Every Batch 1 No MP/RI/OPC/02

Discourage use of Thermo Cole Visual Every Batch 1 No MP/RI/OPC/02

Discourage use of Asbestos Visual Every Batch 1 No MP/RI/OPC/02

Marking / Identification- Batch No.: - Date of Manufacturing: - Quantity:

Visual Every Batch 100% MP/RI/OPC/02

AS PER METHOD OF CHEMICAL ANALYSIS OF CEMENT

Packing Materials

Every Batch

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Material Standard


The cement shall be stored in such amanner as to permit easy access for proper inspection and in a suitable weather-tight building to protect the cement from dampness and to minimize warehouse deterioration. Store on raised platform consume on FIFO basis

VisualIS12269:1987

6.1Every Batch 100% MP/RI/OPC/02

18 Storage

Avoid Spillages Visual Every Batch 100% MP/RI/OPC/02

D Safety

19 Stacking Keep height not greater than 10 bags Manual Count Every Batch 100% MP/RI/OPC/02

20 Handling1. Use PPE like Goggles & Nose mask while handling & storage 2. Use of hooks for bag lifting should be avoided

Visual Every Batch 100% MP/RI/OPC/02

21 Material Safety Data Sheet (MSDS) MSDS to be enclosed with each batch Visual Every Batch 100% MP/RI/OPC/02

Nature of Amendments:

All original Issues

Prepared by Approved by

Note

1 Lot -: The quantity of cement from the same manufacturing unit and offered for inspection at one time, not exceeding 25 tonnes.

2 One sample / every 75 tonnes if the same brand is used if there is a change in brand tests to be conducted

3 Additionally the Manufacturer/supplier shall meet the relevant IS Code / Other standards requirements in total.


OPC 53Grade Cement_23140103

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