[Tianjin-strong high-pressure pump Co., Ltd. to recommend Star Products] [Tianjin-strong high-pressure pump Co., Ltd. to recommend the star product] quality control due to the high pressure spraying pile construction difficult, jet grouting anchor rig, according to the actual special project developing construction rules, Jinnan jet grouting rig, strict adherence to the construction, to ensure construction quality. 1. The cement should be product certification and product quality certification documents can be used. 2. Churning Pile strength must meet the design requirements. 3. Surveying: Construction axis tolerance of 1cm. Measuring ground elevation aperture tolerances of no more than 1cm, given hole tolerance of no more than 2cm. Aligned with the central axis of the drill hole to allow deviation does not exceed 2cm.