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Steelcraft products, Model – LA STEELCRAFT AB-40P User Manual

Page 7

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DO NOT SCALE DRAWING

DATE: 1/3/08

DRAWN BY: AFS

STEELCRAFT PRODUCTS

P.O. Box 90365 - Pasadena, CA 91109
PHN 626-798-7401 FAX 626-798-1482

MODEL

AB-40P

BASEBALL BACKSTOP

NOTE: SPECIFICATIONS ARE SUBJECT TO CHANGE

9. REPEAT THIS PROCEDURE ALTERNATING FROM RIGHT TO LEFT. CHECK AS YOU

PROCEED TO MAKE SURE THAT THE FRONT ARCH IS PLUMB. IT IS BEST TO HAVE THE

ARCH SLIGHTLY LAID BACK RATHER THAN LEANING TO THE FRONT. PLUMB IS IDEAL.

10. AFTER ALL RIBS ARE IN PLACE, MAKE SURE ALL THE JOINTS ARE SEATED ON ALL RIBS

AND ARCH CONNECTIONS. ALIGN EVERYTHING TO THE BEST OF YOUR ABILITY.

TIGHTEN THE SET SCREWS ON THE FRONT ARCH WITH A WRENCH AND EXTENSION BAR.
DON’T TIGHTEN THE SET SCREWS FOR THE RIBS YET.

11. INSTALL THE HORIZONTAL STIFFENERS APPROXIMATELY 5’-0” ABOVE GRADE. START

WITH THE SHORT ONES BETWEEN RIBS 4 AND 5. ATTACH THE BEGINNING END WITH A

BRACE BAND AND BOLT w/ NUT. THE INSIDE CONNECTION USES SPLIT BRACE BANDS

AND BOLT w/ NUT. DO NOT TIGHTEN BOLTS UNTIL ALL THE STIFFENERS ARE IN PLACE.

12. INSTALL THE ANCHOR BOLTS AND NUTS IN THE HOLES IN THE BOTTOM ARCH. THREAD

THE NUTS ONTO THE ANCHOR BOLTS UNTIL ONE THREAD IS SHOWING.

13. POUR CONCRETE IN THE FOOTING HOLES. THE MAIN FOOTING HOLES SHOULD BE

POURED TO WITHIN 2” OF FINISHED GRADE. THE ANCHOR BOLT HOLES CAN BE

POURED UP TO FINISHED GRADE. WAIT AT LEAST 72 HOURS BEFORE ATTACHING THE

FABRIC.

14. NOW THE FUN BEGINS. THERE ARE TWO ROLLS OF FABRIC. ONE IS 9 ga. 10’ X 75’ AND

THE OTHER IS 8’ X 55’. LOCATE THE TENSION BARS AND TENSION BANDS AND OTHER

MISCELLANEOUS FENCING HARDWARE.

15. THE CIRCUMFRENCE AT THE BASE OF THE ARCH IS 55 ft. STAND THE SHORT ROLL ON

EDGE AND PLACE THE FABRIC SO IT IS CENTERED ON THE OUTSIDE OF THE FRAME AND

JUST ENOUGH ABOVE THE BOTTOM ARCH SO THE TENSION BARS CAN BE INSTALLED.

PUT TIE WIRES ON THE CENTER RIB AND THE FABRIC. STRECH THE FABRIC AROUND THE

BOTTOM AS BEST AS YOU CAN AND INSTALL THE TENSION BARS IN THE BOTTOM AND

ATTACH BARS TO TENSION BANDS.

16. WHEN THE BOTTOM COURSE IS SUFFICIENTLY TIGHT, INSTALL TENSION BARS AND BANDS

ON THE FRONT ARCH AND CUT THE EXCESS FABRIC OFF ON THE BIAS. THE BOTTOM OF

THIS COURSE WILL BE EASILY STRECHED AND THE TOP WILL NOT BE REAL TIGHT. IT WILL
REQUIRE A BIAS CUT ON THE TOP OF THE COURES WHERE IT MEETS THE FRONT ARCH.

IT DOESN’T GET EASIER THAN THIS.

17. PLACE THE REMAINDER OF THE FABRIC IN THE CENTER OF THE BACKSTOP LIKE ABOVE.

SLIDE IT UP THE BACKSTOP UNTIL IT IS CLOSE TO THE FRONT ARCH. THERE SHOULD BE

AMPLE OVERLAP OVER THE FIRST COURSE OF FABRIC. STRECH THIS COURSE AS BEST

YOU CAN AND HOG TIE THE OVERLAP TO THE BOTTOM COURSE. THIS COURSE WILL

HAVE TO BE BIAS CUT AT THE ENDS BEFORE THE TENSION BE INSTALLED.

18. TIE THE FABRIC TO THE RIBS USING TIE WIRE. CLEAN UP AND YOU ARE DONE.