R22A Bases Fixing Angle Tower Crane

Products Specification

Type , Model: R22A Bases Fixing Angle Tower Crane

Size: 2M 

Use for : M619A Mast M619C Mast  ,2.13X2.13X5.32

Materials: Q345B

Process: Blasting derusting, 

Painting:  Under painting , Middle painting, Surface painting.

Our factory produce and supply almost all famous brand tower crane :Mast section, Anchor Frame, Fixing angle ,Adaptor and so on as good quality and price.

R22A Bases Fixing Angle Tower Crane

Tower Crane Knowledge sharing：

Special scheme for tower crane installation safety: installation requirements, preparation, jacking and operation

I. compilation basis

Tower crane construction machinery plantin the preparation process of this program, reference to the construction manual, construction technical operation procedures for building installation engineering, building component quality inspection standards.

Ii. Project overview

1. Basic information

The construction area of the project is 47242 m2. Structure: raft shear wall structure, underground second floor; The safety level of the building structure is level 2; Fire resistance grade of the project is grade ii The seismic rating of the structural shear wall is three. Seismic fortification intensity is 7 degrees.

R22A Bases Fixing Angle Tower Crane

2. Site construction conditions

A from the preliminary field investigation, the site is relatively flat with little fluctuation.

B construction electricity is designated by the owner, which can meet the construction requirements.

C during the construction of this project, it is during the rainy season in dalian.

3. Project duration requirements

The bidding document requires the total construction period of the project to be 105 calendar days. The project will commence on April 15, 2008 and complete on July 30, 2008.

4. Requirements for civilized construction on site

The construction site civilized construction in accordance with the relevant provisions of civilized construction.

R22A Bases Fixing Angle Tower Crane

Requirements for tower crane installation

1. The foundation is fixed with support feet. Four steel legs are pre-embedded before pouring, and the relative error of elevation is controlled within 2mm.

2. The welding between the steel bottom plate of the main foot and the horse stool leg and the bottom reinforcement is firm.

3. do a set of lightningproof grounding, grounding resistance is not greater than 4 Ω. Lightning protection grounding method: L40 4 Angle steel is buried beside the foundation, and the -- 40 4 galvanized flat iron is connected with the foundation foundation section.

4. Hidden inspection shall be carried out on the installation dimensions of rebar and anchor steel before concrete casting, and the next procedure shall be carried out after confirmation of qualification.

R22A Bases Fixing Angle Tower Crane

5. During the installation of fixed supporting feet, the top surface of fixed supporting feet shall be guaranteed to be higher than the top surface of reinforced concrete foundation. Other dimensions shall be constructed in strict accordance with the dimensions shown in the operating instructions.