6110 HIGHWAY PL 2016-01-01 MF Import

A perma.nent mechanical method of sprayir„3 concrete shall be inetall- ed as soon as concrete has been laid. iiand spraying �vill only be allowed while this is bein� installed. Except on slopes. ti�ere hand spraying will have to be done till after intermediate slabs are in place. t7etting and met:iods of �ve�tting concre'te shall be to the satisfaction of the �Jater Superintendent. Contractor shall try and arran�e layin� of concrete so the pon3ing method can be used as much as uocsible. SU.--COLD !7EATH?"F2 4dORK: Concrete shall not be mixed nor deposited when the cempera•ture ia below freezing. If at ariy time during the progress of the �aork; the temperature is. or in the opinion of the "Tater Superintendent. will, within twenty-four (24) hours. drop to 35 degrees Rahrenheit, the �vater and aggregates shall be heated. and recautions taken to aprotect the work from freez- ing for at least ten �10) days. In no case shall concrete be depoeited upon a frozen sub-grade. Cold vreather concrete shall be handled un directed by the Water 5uperinteiident. Concrete in the bottom course of reservoir ba3in lining slabs shall be Class "B" Concrete. 50a.9..PAYi$tT FO�C CONCRETE SLABS: The unit price bid per cubic yard for Class "B" Concrete in 'eservo3r Slabs complete in place. shall be full compensation for fur- nishing all materials, and all �vork incidental to placing, curing. and protecting the conerete linin� slabs, except as specially separately bid far P7ccpansion Joints. 51.�..EKP.�NSION JOI`ITS FUR SLABS . Bottom Caurse: A2'ter bottom course of concrete �labs has and air drie� for a,t least five days, the !�ood removed, and the joints iilled by pouring into Seal Aaphalt "B" made by the Barber Asphalt Co, equivalent material. having the same qualities the �"ater Superinte.ldent� been cured as specified joint fillers shall be them "Genasco Positi�e Ph�,iadelphia� or other as above� a�broved by Specifications for this asphalt filler follo�c: 23•