Laserfiche WebLink
COLORADO DEPARTMENT OF HIG~YS Proj C 41.^^'?-~5 <br />MATERIALS DIVISION Loc ~In;icpc:sc:cac0 P~$a <br />LAB. FORM NO. 48 Field Sample No._571 <br />REV. 11.53 Date ~/23/G7 <br />Pi+ (Owner) U.~. Forest Service <br />~ ~~AIL 6~A'r3 ~C~~ ~~~~A~~ 1~~~A ~ C'~~~C~3 a ~~~~~~~ <br />Leontion: <br />Section .......... <br />Township ........ <br />Range .------..-- <br />Pi+Neme........ D.S. Forest Service <br />Lab. Test No. 67/258.2 <br />Crushed a+ Laboratory ................. ........... Yes <br />Mech. Anelysis (Accum.} <br />Passin <br />9 ~/a" ...... ..... ........ <br />........... 100 <br />~~ I/3" ........................ . . .... 97 <br />~~ ~B" .........--- ........ 66 <br />., ~3 . ............... -- -- --- 2S <br />~~ ~4 .... ....... ....... .......... 8 <br />" jG6 <br />.. #8 2 <br />.. f10..........- ---- ......... <br />~~ #16 .......................... -- <br />.~ $30 ...........................- - ...... <br />~ 100 ...... °° .. ..... ........... <br />• <br />.. #200 ................. -- - - ---...... 1 <br />Abrasion (% Wear) .. ............ ` - ~ 41.3 <br />Weight per Cu. Ft. (Loose) ......... ........... ik95.0 <br />Absor +ion Facfor K) <br />P (c .... ........ 1.40 <br />.......... <br />Mar. Effective Size ....................... ..:........ 0.43 <br />- Sfripping Resistance: <br />Plain ..................... . .... 90 <br />Fortified ............. . .. ........ .......... 9S <br />Terfure of Mat to 6e Sealed: <br />Old Dense Rich Surface ........... ........... <br />Normal Surface -- ...................._ --------- x <br />Old Dry Porous Surface <br /> <br /> <br />Recommended Quantities: <br />Aggr. per Sq. Yd. Surface <br />Normal Applieafion ...................?2..Iba. <br />l0% Allowance .... .................... z4.. „ <br />20% Allowance ......... - - ......... <br />fli}, ~O 60°F. in gals. <br />per Sq. Yd. Surface .........................0.25 <br />Remarks: • Gradation aasusad for estimate. <br />Type I <br />Specs. <br />•40 <br />Stripping Cast indicate that tlta addition of an additive viii not ba naceesery. <br />_ ~ Indlcatea failure to meet abrasion raquirementa far ?ype I stone acrsenln>;s. <br />.. ~ <br />dr 6/20/67 <br />STAFF MATERIALS ENGINEER <br />