Page 150 - Machinery Component Maintenance

Appendix 3-B

Specification for Portland

Cement Gro~ting of Rotating

Equipment

I. SCOPE
1. THIS SPECIFICATION COVERS PORTLAND CEMENT GROUTING
OF MECHANICAL EQUIPMENT ON CONCRETE FOUNDATIONS.
11. MATERIALS
1. PORTLAND CEMENT SHALL CONFORM TO ASTM C-150.
2. FILLER SAND AGGREGATE SHALL CONFORM TO ASTM c-33
FINE AGGREGATE,
3. ONLY CLEAN, FRESH WATER SHALL BE USED IN PREPARING
THE GROUT.
4. ALL MATERIALS SHALL BE STORED INDOORS AND KEPT DRY,
FREE OF MOISTURE IN ITS OWN ORIGINAL SHIPPING CON-
TA I NERS ,
5. STORAGE TEMPERATURE SHALL BE MAINTAINED BETWEEN 40'F
AND 90.F. GROUTING SHALL NOT BE DONE DURING FREEZ-
ING WEATHER.
111. PREPARATION OF FOUNDATION
1. FOUNDATION BOLT THREADS SHALL BE EXAMINED FOR
STRIPPED OR DAMAGED THREADS. THESE THREADS SHALL
BE RE-CHASED TO CLEAN-UP OR THE FOUNDATION BOLTS
REPLACED IF NECESSARY, THE FOUNDATION BOLTS AND
THEIR THREADS SHALL BE PROTECTED DURING THE LEVELING
AND GROUTING OPERATIONS.
2. THE CONCRETE FOUNDATION SHALL BE DRY AND FREE OF
OIL. IF OIL IS PRESENT IT SHALL BE REMOVED WITH
SOLVENT PRIOR TO CHIPPING.
3. THE CONCRETE SHALL BE CHIPPED TO EXPOSE ITS AGGREGATE,
APPROXIMATELY 1/2 INCH DEEP SO AS TO REMOVE ALL
LAITACE AND PROVIDE A ROUGH SURFACE FOR BONDING.
LIGHT HAND TOOLS SHALL BE USED IN CHIPPING.
4. AFTER CHIPPING, THE EXPOSED SURFACE SHALL BE BLOWN
FREE OF DUST USING OIL-FREE COMPRESSED AIR FROM AN
APPROVED SOURCE.
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