Laserfiche WebLink
Engineer and no additional compensation will be allowed Measurement will be <br /> based on the percentage of work completed as determined by the Engineer <br /> PART 2 - MATERIALS <br /> 2 01 PLUMBNESS TEST <br /> Testing for plumbness of the wells shall be made with a plummet, rigged so that the <br /> plumb line is centered in the well casing when the top of the plumb is level with the top <br /> of the casing A plumb ring or plunger 114 inch smaller than the inside diameter of the <br /> ' casing shall be furnished by the Contractor for the purpose of performing the plumbness <br /> test The plumbness for the wells shall be determined in ten-foot intervals from the <br /> ground surface to the total depth Records of deflection readings shall be made a part of <br /> the permanent well logs and record Should the wells vary from the vertical in excess of <br /> 12 inches per 100 feet of depth, it may be cause for refection of the well Perform, <br /> record and report plumbness test per ANSIIAWWA A100-90, Appendix C, Sections C 1, <br /> ' C. 2, C 3, C 4, C 5, and C 6 <br /> 2 02 ALIGNMENT TEST DUMMY <br /> Test the alignment of the casings by lowering into the well a dummy that is 40 feet long <br /> The outer diameter of the dummy shall be 112 inch less than the inside diameter of the <br /> casing The dummy shall consist of a rigid spindle of extra-heavy pipe with three rings <br /> rigidly fixed to the pipe so that they cannot move longitudinally along the pipe spindle <br /> The rings shall consist of material which will not harm the interior of the casing while <br /> being lowered or raised <br /> 2 03 DISCHARGE LINE AND METER <br /> Provide the temporary discharge piping required to convey well development and well <br /> testing water to the appropriate disposal area The discharge line shall have a capacity <br /> ' of 3500 gpm The discharge line shall include an to-line meter with six-digit, straight <br /> reading totalizer, registering in units of 1,000 gallons, together with a rate of flow <br /> indicator dial, which reads in gpm and is suitable for the expected flow range of 300 to <br /> ' 3500 gpm The Contractor shall be responsible for the accuracy of the flow <br /> measurements and shall provide a calibration certificate for the flowmeter utilized The <br /> flowmeter shall have an accuracy of +1-2% and shall have been calibrated within three <br /> (3) months prior to project use <br /> 2 04 DISPERSING AGENT <br /> The dispersing agent shall consist of a mixture of approximately 16 pounds of sodium <br /> hexametaphosphate, 4 pounds of sodium carbonate, and 1 quart of 5 25% sodium <br /> hypochlorite per 100 gallons of water in the well and annular space <br /> ' 2 05 TEST PUMP <br /> Provide a test pump with variable speed prime mover If an engine is used, provide an <br /> ' exhaust silencer The pump furnished shall be of the deep well turbine type capable of <br /> pumping up to 3500 gpm against 450 feet of total head The bowl setting shall be at 400 <br /> feet unless otherwise specified by the Engineer Provide a throttling device so that the <br /> discharge can be reduced to 300 gpm <br /> ' August 2001 Division 111 -29 Ball Park& Park& Ride Wells Ph 1 <br />