03 33 00 - 008 - PVC Waterstop - Garney Construction

B. Manufacturer Qualifications:1. A firm experienced in manufacturing ready-mixed concrete products complying withASTM C94 requirements for production facilities and equipment.2. Manufacturer must be certified according to the National Ready Mixed ConcreteAssociation’s Certification of Ready Mixed Concrete Production Facilities.C. Testing Agency Qualifications:1. An independent testing agency, acceptable to authorities having jurisdiction and theEngineer, qualified according to ASTM C1077 and ASTM E329 to conduct the testingindicated, as documented according to ASTM E548.2. Personnel conducting field tests shall be qualified as ACI Concrete Field TestingTechnician, Grade 1, according to ACI CP-1 or an equivalent certification program.D. Source Limitations: Obtain each type or class of cementitious material of the same brandfrom the same manufacturer’s plant, each aggregate from one source, and each admixturefrom the same manufacturer.E. Pre-submittal Conference: Conduct conference at Project site to comply with requirementsin Section 01 31 00 “Project Management and Coordination.”1.05 DELIVERY, STORAGE, AND HANDLINGA. Deliver cement in bulk or bags which are plainly marked with the brand and manufacturer’sname. Immediately upon receipt, store cement in a dry, weather-tight and properlyventilated structure which excludes moisture. Storage facilities shall permit easy access forinspection and identification. Cement not stored in accordance with the requirements shallnot be used.B. Sufficient cement shall be in storage to complete placement of concrete started. In orderthat cement may not become unduly aged after delivery, maintain records of delivery dates.Use cement which has been stored at the site for 60 days or more before using cement oflesser age. No cement shall be used which is lumped, caked, stored more than 90 days, orwhose temperature exceeds 170 F.C. Handle and store concrete aggregate in a manner which prevents the admixture of foreignmaterials. If the aggregates are stored on the ground, grub the sites for the stockpiles, clearweeds and grass and level. Do not disturb the bottom layer of aggregate or use without recleaning.D. Store different types and gradations of aggregates in a manner which prevents intermixing.Handle materials in stockpiles in a manner which prevents segregation of materials in thepile. Build in layers not over 3 feet in depth. Should segregation occur, remix theaggregates to conform to grading requirements. Stockpile fine aggregates at least 24 hoursbefore mixing to reduce the free moisture content.Cast-In-Place Concrete 03 30 00 - 2CMD11269 – Ward County Transmission System Expansion – Contract C6 – Below Slab TPS, OPS, and WPS