1980-06-30 Special Called Meeting

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Material Produced for Maintenance Requisition. The limestone rock asphalt aggregate grading and flux content of the mixture shall be within the limits specified. The designated grading and • f1u.Y content shall be selected from the first shipment for material on each shipment or partial shipment where requested by the City, and the mixture produced shall conform to this designated grading and flux content throughout each shipment or partial shipment, respectively, within the tolerances specified above. Water Content. If the roclc asphalt mixture is prepared at some cor.tral point and shipped to the work, water may be added to prevent setting-up in transit. If water is added, the total water sc added shall not exceed 4 percent by weight and shall be administered to the mixture through an approved spray bar. If the rock asphalt mixture is prepared on or adjacent to the project, the addition of water will not be permitted unless authorized by the City. The . amo•~nt of water that may be added shall be as designated by the City but shall not exceed 4 percent by weight. In order to insure uniformity of the rock asphalt mixture as suitable measuring device, subject to approval of the City, shall be used to accurately measure the amount of water to be imcorporated in t© each batch. All water in the mixture in excess of 4 percent by weight at the time of weighing the mixture on the payment. The method of determining the tonnage of mixture for payment. The method of determining the water content of the mixture shall be in accordance with Test Method Tex-212-F. The water content shall be measured on representative samples, each representing approximately 200 tons. Not less than one sample shall be taken on each day's run. • Physical Properties of the PTixture. The materials may be mixed on the job or at some central mixing plant and shipped ready to-use. Mixtures that do not remain workable a sufficient period of time of permit unloading by normal means, proper spreading, blading and rolling will not b` acceptable. Price per ton picked up $ E~~ v~'n/ sr~/a 7~~00 ~t/ ~r> AE~e. ~'o~. Price per ton delivered $ E,GN~t,y ~a~/o 40~ v ~i8 `~`° J ,°E,~ ~a •~. /~ ~ G-slitQff ~y r /~,t~'~"Q, rf-s iZ.4-r+E s I~ l.. 9` OCIL Ta v .5~.•OJ t~T To i~./ ~re.~ ~fl ~ ~~8. ~ ~Y of .se.o~..~ r o .~' io ~` O~ z- 7a .r ..v : tom- ~3 cT .~.c.co ~.ve o F. rz ~0•~Y+•.~ti~' '~OT~,' ~~~ fR/C iw/G~CfArE Q~~G I~iC.i"Cag.i'~ T~i6 I~I~eeSi 9G-~Trl4 J~F~?-t~.~. ~ille.y ~N q s.~ 1kiPy~reJT.S /-7Giit C~4dQ~ ~+i `~. ~ t t~PT A.w/O (~/~4L.D6 ~ ue. ~ir/PN~tY ~I M /d.~ r :.* /4 /~GL Tf D ~"r. //d I6.. T+ s if ai^ a-9 .~•as'.f'.t bv' i l'4 / 1/ 3 0 0 .~4 Yd .~. /~ raT 2 • D.4 r dr o ~ s ~-l f AR %sd i ~ ys ~.4 t E ; L'~~w r d'.t..,t Et. y :.~ w t~ .de On ec~ .o.s..'e.: J ../ .* ../ i~ T T~ ~l Q ao T~ D ~ G/.v Jam/ i A~ffD Qf~•a ~I j~'I"/ ~sJ v/ i i. t_ r3 vt %.v v~ i tie O ~'*-~ .i~a,cM ~ / int. /~2• GcS (11)