N6247318R4603_tortois_grate_specifications.pdf

RAIL, COLD-FORIoIED

FROM ASTM A242

STEEL pLATE 7-GAUGE lAIN.

THICKNESS

COLD-FORMED STRUCTURAL

STEEL TUBING, ASTh4 A500, GRADE B, MIN. TS3- )( 2" )(

0.1875- (76 )( 51 )( 5 mm) riP 3/16"

5 mm DIM. r RAiLS 1/4- (6 mm) HEADER It ro ro

.3/4-- ":+l'~4\--"= I-J-- 9 mm) I 'II."

{19 mm)l..-.! AI TERNATE BAIl (5 mm)

DETAIL D

(CROSS SECTION OF RAJL)

:r~AAOUND 3/16" / -{S minl'

'J/15" /0" " ~ TORQUE is m"iiiJY

EITHER .14= STRINGER RAJL

NS it--r ANCHOR CUP CAN

I 2" 8E

I (13 mm)

HEADER

PLATE

TORQUE BARS

DETAIL E

SEE NOTE 2

ANCHOR CliP

DETAIL F

NOTES;

us EO.

lYP.

BAR

1. DESIGN LOADING OF GRID CONFORMS TO MSHTO H- 20-44.

(RILL HOLES TO HEADER e's J.4ATCH WINGS /

BOTH SIDES. J

we )( 13 Sf RINGERS

WELD BEAMS TO 5

C8 )( 13.7 (203 mm )( .348 rom END BEAM WELD TO (203 mm )( .3.30 mm) HEADER fLo

SECTION Y Y

STRINGERS 0 EOUAL SPACES

SEE SPECIFICATIONS

~ 1~~1!~iii'~/4;"i(·~mm;)~H!;~E"iP~~~T~E~ a ~ lYP. (s'/~~) ~ AlL

~ RAJLS

SEE NOTE .3

~iL __ _

I .... j TORQUE BAA. :~ ~I SEE NOTE J (20' mm) D" , ," , '/B" ,,"

~ OF 1" 0 (25 rom) DETAIL E (76 x 76)( 10)( 76 mm) HOLES FOR .3/4" (19 mm)

DIA. ANCHOR 80LTS ANCHOR CLIPS, 80TH SIDES

WELDING SYMBOLS

LEGEND;

+-i - FILLET WELD

80TH SIDES

D LA" (FURNISHED LOOSE & FlELD .L.!:£:ll:j WELDED, OR SHOP WELD. AS

WITHOUT CLEANOUT SPECIFIED) SEE DE1'AlL F

METRIC CONVERSION ADDEO 9/30/97 UP

FORMAT UPDATE 7/31/09 RTH

REV. NO. DESCRIPTION DATE APPROVED

UNITED SlATES DEPARTMENT OF THE !NTER!OR BUREAU OF lAND MANAGEMENT

MODIFIED STEEL CADLE GUARD

GRID FOR DESERT TORTOISE

(WITHOUT CLEANOUT)

2. PROVIDE 4 - 2" )( 1/4" (51 mm )( 6 mm) TORQUE BARS ON GRIDS WITHOUT CLEANOUT, FULL LENGTH, SPACED AS SHOWN, & WELDED WITH 3/16" (5 mm) fiLLET WELDS TO TOP OF AS SHOWN. RAILS AS REQUIRED AND AS DESCRIBED IN THE SPECifiCATIONS. SEE DtTAiL E. DESIGNED BY OTHERS

REVIEWED J. END PLATE FLUSH WITH, AND WELDED TO, RAILS EXCEPT CLEANOVT PANEl.

4. THE METRIC CONVERSIONS ARE PROVIDED IN PARENTHESIS

FOLLOWING THE ENGUSH UNITS.

N..WAYS THINK SAFETY

APPROVED

DRAWN BY: M SCALE: NONE

OATE: February 21, 2012 SHEET: 1 OF

MODIFIED DETAIL DRAW!NG NO.

Dl