Vol 2 - Garney Construction

E. Construct Work in the following stages to allow for Owner’s continuousoccupancy and for uninterrupted operation during construction. Note: Thefollowing sequencing steps are intended to provide general guidance to theContractor. Contractor shall be responsible for preparing detailed sequencingplans for each stage of the Work. Submit preliminary plans no less than21 days prior to initiating the stage and coordinate with Engineer and Ownerto finalize plan no less than 7 days prior to initiating the stage. Sequencesother than those specified will be considered upon written request to Ownerand Engineer, provided they afford equivalent continuity of operations.1. Site Utilization:a. Concurrent Work at the site under Contracts 22 and 24 mayrequire coordination between contractors with respect to siteutilization, access, storage, staging, scheduling, deliveries, etc.The Contract 23 Contractor shall coordinate as required, and shallattend all Contract 22 and 24 coordination meetings, if applicable,in which overlapping operations are discussed.b. Specific requirements with respect to storage areas, access routes,etc., are shown on the Drawings.c. Truck access to grit area from south, sludge bay from north andsouth, and sludge loading station from north shall be maintained atall times. Brief service interruptions shall be coordinated withOwner and Engineer. One of the two east west roads locatedimmediately north and south of the Solids Processing Buildingshall be kept open to traffic at all times.2. Medium Voltage Electrical System Modifications - Milestone 1(60 Days from Notice to Proceed):a. Construct new primary ductbanks between existing 15 KVmanhole and location of new pad-mounted loop switches and padmountedtransformers.b. Power the Solids Processing Building from existingTransformer T8 and remove existing Transformer T2, and theductbanks to the loop switch and existing motor control centerMCC-9.c. Install temporary conduits from the location of new pad-mountedtransformer T2 to the temporary service disconnect switchlocation, and from the location of the temporary servicedisconnect switch to Side A of existing motor control centerMCC-9.d. Construct new secondary ductbank from location of new padmountedTransformers T2 and T8, to the location of the newservice entrance main disconnect MCC-9-SE (Sides A and B) inthe new electrical room. Coordinate the routing of the conduitswith the location of the structural piles.PW/WBG/382059PROJECT COORDINATIONAUGUST 15, 2012 01 31 13 - 3©COPYRIGHT 2012 CH2M HILL