SECTION_05_56_00_Metal_Castings.docx
DOCX document 23 KB Posted
- Attached to
- Dugway Proving Ground, Utah Road Maintenance
- Solicitation number
- W911S6-17-B-0001
About this file
SECTION 05 56 00 METAL CASTINGS
View the file
Other files
Show 40 more
Latest 50 of 87 listed here. See the rest on GovTribe.
On GovTribe
Work with this file
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
Text version
SECTION 05 56 00
SECTION 05 56 00
METAL CASTINGS
| PART 1 | GENERAL |
| 1.1 | SECTION INCLUDES |
| A. | Castings for grates, frames and covers for Manholes, catch basins, tree wells, monument boxes, water meters, etc. |
| 1.2 | REFERENCES |
| A. | ASTM A 27: Standard Specification for Steel Castings, Carbon, for General Application. |
| B. | ASTM A 48: Standard Specification for Gray Iron Castings. |
| C. | ASTM A 148: Standard Specification for Steel Castings, High-Strength, for Structural Purposes. |
| D. | ASTM B 22: Standard Specification for Bronze Castings For Bridges and Turntables. |
| E. | ASTM B 584: Standard Specification for Copper Alloy Sand Castings For General Applications. |
| F. | ASTM D 1187: Standard Specification for Asphalt-Base Emulsion for Use as Protective Coatings for Metal. |
| G. | ASTM E 10: Standard Test Method for Brinell Hardness of Metallic Materials. |
| 1.3 | SUBMITTALS |
| A. | Submit shop drawings; Section 01 33 00. |
| B. | Submit manufacturer's affidavit certifying materials comply with Part 2 requirements. (X-ray certification mandatory). |
| 1.4 | QUALITY ASSURANCE |
| A. | Make castings true to pattern in form and dimension and free from defects that would affect the service value of the casting. |
| B. | Repair minor defects that do not impair the strength of a casting. |
| C. | Reject castings that show injurious defects revealed by X-ray or machining operations. |
| 1.5 | PRODUCT DELIVERY, HANDLING AND STORAGE |
| A. | Deliver and handle castings and gratings to prevent warping, rusting and damage. |
| B. | Store all items on flexible surface and protect items from adverse environmental conditions. |
| PART 2 | PRODUCTS |
| 2.1 | STEEL CASTINGS |
| A. | High Strength Steel Castings For Structural Purposes: ASTM A 148, Grade 80-50, except that the steel shall contain not less than 0.60 percent of manganese and not less than 0.20 percent silicon. |
| B. | Mild-to-Medium Carbon Steel Castings For General Applications: ASTM A 27 Grade 65-35 with a minimum Brinell hardness number of 130 when tested in accordance with ASTM E 10. |
| 2.2 | GRAY IRON CASTINGS |
| A. | All castings not specifically classified below shall conform to the requirements of ASTM A 48, Class 30. |
| 1. | Grate, frame and cover castings sets; ASTM A 48, Class 35. |
| PART 3 | EXECUTION |
| 3.1 | PREPARATION |
| A. | Fit bearing surfaces of flush fitting machined castings together firmly without rocking. ENGINEER reserves the right to reject rocking sets. |
| B. | Ensure castings are boldly filleted at angles and the arises are sharp and true. Unless indicated otherwise all letters shall be heavily raised and spaced to secure a uniform and balanced effect over the entire area of the panel. |
| C. | Before castings are removed from the foundry, ensure they are cleaned and the parting lines, gates, and risers are ground flush. |
| D. | Ensure sets are coated in quality ASTM D 1187 asphalt paint unless galvanized or bronze sets are specified or required. |
| 3.2 | INSTALLATION |
| A. | Furnish and install all supplementary or miscellaneous items, appurtenances and devices incidental to or necessary for a sound, secure and complete installation of castings. |
| B. | Adjust Street Fixture elevation; Section 33 05 14. |
| C. | Install countersunk flat head screw security bolts flush with top of grate. |
| 3.3 | CLEANING |
| A. | Clean all castings free of grease, dirt, burrs, etc. |
END OF SECTION
METAL CASTINGS Page 2
File details come from the government source that posted it. Updated .