01-SAMSS-00530June 2014
Shop Applied, Internal Cement Mortar Lining of Steel Pipe
Document Responsibility: Paints and Coatings Standards Committee
Saudi Aramco DeskTop Standards
Table of Contents
1 Scope……………………………………………………. 2
2 Conflicts and Deviations…………………………… 2
3 References…………………………………………….. 2
4 Modifications to AWWA C205…………………… 3
1 Scope
1.1 This specification defines the requirements for shop applications of cement mortar lining to the internal surfaces of steel pipe. It includes materials, surface preparation, application and testing.
1.2 Only shop applied, internal, lining shall be required by this specification. It does not address coating external pipe surfaces or field application of lining.
2 Conflicts and Deviations
2.1 Any conflicts between this specification and other applicable Saudi Aramco Materials System Specifications (SAMSSs), Engineering Standards (SAESs), Standard Drawings (SASDs), or industry standards, codes, and forms shall be resolved in writing by the Company or Buyer Representative through the Manager, Consulting Services Department of Saudi Aramco, Dhahran.
2.2 Direct all requests to deviate from this specification in writing to the Company or Buyer Representative, who shall follow internal company procedure SAEP-302 and forward such requests to the Manager, Consulting Services Department of Saudi Aramco, Dhahran.
3 References
All referenced Specifications, Standards, Codes, Forms, Drawings, and similar material shall be considered part of this Specification to the extent specified herein and shall be the latest issue (including all revisions, addenda, and supplements) unless stated otherwise.
3.1 Saudi Aramco References
Saudi Aramco Engineering Procedure
SAEP-302 Instructions for Obtaining a Waiver of a Mandatory Saudi Aramco Engineering Requirement
Saudi Aramco Material System Specification
01-SAMSS-024 Pipe Handling and Nesting
Saudi Aramco Inspection Requirements
Form 175-012500 Concrete Mortar Lining for Internal Surfaces of Line Pipe and Fittings
3.2 Industry Codes and Standards
American Water Works Association
AWWA C205 Cement Mortar Protective Lining and Coating for Steel Water Pipe-4 inch and Larger Shop Applied
American Society for Testing and Materials
ASTM C136 Sieve Analysis of Fine and Coarse Aggregates
ASTM C142 Clay Lumps and Friable Particles in Aggregates
ASTM C150 Standard Specification for Portland Cement
ASTM D1888 Particulate and Dissolved Matter, Solids, or Residue in Water
British Standards Institution
BS 812 Part 117 Water Soluble Chloride Salts
BS 812 Part 118 Sulfate Content
Swedish Institute of Standard
SIS-05-59-00 Pictorial Surface Preparation Standards
4 Modifications to AWWA C205
The following paragraph numbers refer to AWWA C205 – 95, which is part of this Specification. The text in each paragraph below is an addition, exception, modification, or deletion to AWWA C205 – 95 as noted. Paragraph numbers not appearing in AWWA C205 – 95 are new paragraphs to be inserted in numerical order.
4.1.4 Quality Program
(Addition) The Vendor shall implement and maintain a Quality Program which shall include clearly defined and documented procedures for the relevant Quality Systems functions. The Quality Program documents shall be made available to the Purchaser’s Representative for review and audit.
4.2.1 (Exception) – Not applicable.
4.2.2.1 (Exception) Portland Cement – Delete in entirety.
(Addition) Portland Cement – Portland Cement shall conform to the requirements of ASTM C150, Type V including the optional chemical requirements of Table 1A and the optional physical requirements of Table 2A.
4.2.3 Fine Aggregate
(Exception) Sand shall be fine aggregate as defined in ASTM C136. Deleterious substances shall not exceed the following limits:
Clay Lumps and Friable Particles 3.00% by weight
Acid Soluble Chlorides {Cl} 0.06% by weight
Acid Soluble Sulfates {SO3} 0.40% by weight
4.2.4 Mixing Water
(Exception) Mixing water shall not contain more than 500 ppm of total dissolved solids.
4.3.1 (Exception) Cleaning Surfaces – Delete in entirety.
(Addition) Cleaning Surfaces – All surfaces to be cement mortar lined shall be cleaned in accordance with St2 of SIS-05-59-00 at the time of application of the cement mortar.
4.4.2 Thickness
(Exception) Delete “… or as specified by the Purchaser” and “… and the lining holdback shall be as specified by the Purchaser for the type of joint required.”
4.4.2.1 (Addition) For sleeved pipe, there shall be no cutback. The cement mortar lining shall be flush with the end of the pipe.
4.4.2.2 (Addition) For pipe that has been specifically designated for butt welding, the cement mortar lining shall be cut back a minimum of 10 mm to a maximum of 25 mm from the end of the pipe.
4.4.2.3 (Addition) The thickness of the cement lining shall be checked within 0.6m of the end of the pipe at the 3, 6, 9, and 12 o’clock positions.
4.5 (Exception) Mortar Coating – Not applicable.
4.6 (Exception) Field Joints – Not applicable.
5 (Exception) Delete in Entirety.
(Addition) Testing Requirements.
5.1 (Addition) The following tests shall be performed prior to and during lining. This table shows the properties to be tested, the test method, the frequency for testing and the acceptance criteria. The Buyer reserves the right to require more frequent or additional test if these criteria are not met.
Table 1 – Testing and Acceptance Criteria
|
Material
|
Test Method
|
Frequency
|
Acceptable Criteria
|
||
|
A
|
Sand
|
ASTM C136
|
Weekly
|
Fine Aggregate
|
|
|
Gradation
|
ASTM C142
|
Monthly
|
Max. 3.0 wet % Clay
|
||
|
Deleterious Substances
|
BS 812 Part 117
|
Monthly
|
Max. 0.06 wet %
|
||
|
Acid Soluble Chloride
|
BS 812 Part 118
|
Monthly
|
Max. 0.40%
|
||
|
Acid Soluble Sulfates
|
|||||
|
B
|
Water
|
ASTM D1888
|
Monthly
|
Max. 500 ppm
|
|
|
Total Dissolved Solids
|
|||||
|
C
|
Cement Mortar
|
BS 812 Part 117
|
Monthly
|
Max. 0.15%
|
|
|
Soluble Chloride Content
|
|||||
5.2 (Addition) Buyer reserves the right to obtain samples, of either the delivered product or its constituent components, whichever the Buyer deems necessary to verify compliance to any of the quality requirements stated in this Specification.
5.3.1 Inspection
(Addition) The Vendor shall furnish all equipment and instruments needed to perform inspections. The items manufactured to this Specification are subject to verification by the Purchaser’s Inspection Representative, per Saudi Aramco Inspection Requirements Form 175-012500, attached to the Purchase Order.
(Exception) Loading, and stacking during storage, transportation and handling shall conform to 01-SAMSS-024. Calculations for static load stress shall be based on the force caused by the mass of the pipe, W (lb/in or N/M) including the weight of the cement mortar lining.
