Page 152 - Machinery Component Maintenance

Muchinery Foundations and Grouting 135

OF THE BASEPLATE. IF MORE GROUT IS NEEDED THAN CAN
BE PREPARED IN ONE MIXING BOX, A SECOND BOX SHALL BE
EMPLOYED. SUBSEQUENT BATCHES OF GROUT SHOULD RE
PREPARED SO AS TO BE READY WHEN THE PRECEDING BATCH
HAS BEEN PLACED.
3. NO PUSH RODS OR MECHANICAL VIBRATORS SHALL BE USED TO
PLACE THE GROUT UNDER THE BASEPLATE.
4, ONE (1) 4" X 4'' X 4" TEST CUBE SHALL BE MADE FROM
EACH UNIT OF GROUT PLACED. THE SAMPLE(S) SHALL BE
TAGGED WITH THE EQUIPMENT NUMBER ON WHICH THE BATCH
WAS USED AND WHERE IN THE FOUNDATION THE BATCH WAS
PLACED.
IX. FINISHING
1. WHEN THE ENTIRE FORM HAS BEEN FILLED WITH GROUT.
EXCESS MATERIAL SHALL BE REMOVED AND THE EXPOSED
SURFACES TROWELLED SMOOTH. THE TROWEL SHALL BE
WETTED WITH FRESH WATER. CARE SHALL BE TAKEN TO
PREVENT BLENDING WATER INTO THE GROUT SURFACE,
2. FORMS SHALL BE LEFT IN PLACE UNTIL THE GROUT HAS SET
AND THEN REMOVED.
3. IF WEDGES WERE USED TO LEVEL THE BASEPLATE, THEY
SHALL BE REMOVED WHEN THE GROUT HAS SET BUT NOT
CURED. AFTER THE GROUT HAS CURED THE WEDGE VOIDS
SHALL BE FILLED WITH ESCOWELD 7501 PUTTY.
4. THE REMAINING CEMENT GROUT SURFACES SHALL BE TROWELLED
SMOOTH WITH A TROWEL WETTED WITH FRESH WATER. SHARP
GROUT EDGES SHALL BE STRUCK TO GIVE A 1/4" CHAMFER.
5. THE GROUT SHALL BE KEPT WETTED WITH FRESH WATER FOR
THREE (3) DAYS I
6. THE GROUT SHALL CURE FOR SEVEN (7) DAYS WITH THE
AMBIENT TEMPERATURE NOT LESS THAN 50'F PRIOR TO
MOUNTING ANY EQUIPMENT ON THE BASEPLATE.
7. THE TOP OF THE BASEPLATE SHALL BE SOUNDED FOR VOIDS.
AFTER ALL THE VOIDS HAVE BEEN DEFINED AND THE GROUT
CURED. THE BASEPLATE SHALL HAVE TWO HOLES DRILLED
THROUGH TO EACH VOID IN OPPOSITE CORNERS OF THE VOID.
ONE OF THE PAIR OF HOLES SHALL BE TAPPED AND FITTED
WITH A PRESSURE GREASE FITTING. THE OTHER HOLE
SHALL BE USED AS A VENT HOLE FOR ITS VOID. THE VOID
SHALL BE FILLED WITH UNFILLED ESCOWELD 7505 EPOXY
WITH HAND GREASE GUN. CARE MUST BE TAKEN TO PREVENT
LIFTING THE BASEPLATE SHOULD A BLOCKAGE OCCUR BETWEEN
THE GREASE FITTING AND THE VENT. WHEN THE VOID HAS
BEEN FILLED, THE GREASE FjTTiNG SHALL BE REMOVED AND
BOTH HOLES DRESSEL! SMOOTH.
8. ALL EXPOSED GROUT AND CONCRETE SURFACES SHALL BE
SEALED WITH ONE COAT OF UNFILLED ESCOWELD 7505 EPOXY
HAND APPLIED WITH A PAINT BRUSH. THE EPOXY SEALER
SHALL BE TINTED TO CONTRAST WITH THE CONCRETE AND
GROUT.

X. CLEAN-UP
1. IMMEDIATELY AFTER GROUTING IS COMPLETED ALL TOOLS AND
MIXING EQUIPMENT SHALL BE CLEANED USING FRESH WATER.