Hosepower Electric #1 - Laserfiche WebLink

Home Browse Search

The jacking base or deadman must be sufficiently strong to withstand the pressures generated by the jacking unit throughout the jacking operation without appreciable movement or deformation. 7. Dewatering Equipment - Equipment used to evacuate ground and ' surface water from jacking and receiving pit areas and along path of proposed bore. a) Pump - Shall be in proper operating condition and off sufficient capacity to satisfactorily dewater the pit and bore areas under the conditions of the particular job. b) Header Line - Collector pipe connecting pump with individual swing joints, risers and well points in a well point ' dewatering system. Header line shall be straight, free from large dents, kinks or cracks and sufficient in size to pass anticipated flow. c) Swing Joints or Half Swings - Hoses or pipes that connect individual well points and risers to header line. Swing joints shall be undamaged and feature a workable stop cock or equivalent device for controlling air intrusion into the ' system. d) Risers - Pipes connecting well points to swing joints should be reasonably straight and otherwise undamaged. e) Well Points - Connect to bottom end of riser pipe, perforated and screened to draw water from surrounding area without allowing the intrusion of soil. Well points must be undamaged and screens clear and unclogged. 8. Horizontal Boring Equipment - Equipment shall include locking devices, surveying instruments, power plants, hydraulic motors tand attachments as well as mud mixing units and related equipment. ' 9. Other Equipment - Any equipment used on the job that has not been defined and covered previously in this Section must be in 1 proper working order and otherwise conform to the requirements as outlined under Equipment - General, at the beginning of the section. 09/03 16200 -6 03- 1438.A -R t