Technical Agreement For Coal Conveying Belt Closure

This is the first time.

(hereinafter referred to as Party B)

Party B contracts for the closure of the coal conveying belt of the first party. In order to ensure the quality, safety and duration of the project, the two parties have reached the following agreement through consultation.

1: quantity:

#7a, B belt conveyor, #6a, B belt conveyor and #16 belt conveyor guide trough to all the coal conveying belts of the drive cylinder entrance.

The volume of closure works is as follows:

1, #6 belt full length 75m, in addition to the guide trough, the belt type iron remover and the disc type iron remover can not be closed, the 40mx2 road needs to be closed.

2, #7 belt full length 194m, need to close 190mx2 Road, #7 belt tail sampling machine sampling head, check device plough and so on, all closed; chain code verification device is semi closed.

3, #16 belt full length 100m, apart from the guide slot is not closed, the outdoor belt is semi closed, a total of 80m need to be closed.

4, total length of closure: 540M (area 1:1800m2).

Two. Engineering requirements:

1, remove the railings of the closed belt conveyor bracket.

2, remove the original temperature line of the belt conveyor and refit it into the enclosure.

3, pull rope protection on both sides of the belt conveyor is changed to the main frame.

4, welding the closed cover base of the belt conveyor.

5, install the front cover of the sealing cover to carry out anticorrosion.

6, install the closure cover of the belt conveyor.

7, open the hole and check the door.

Three. The scope of responsibility of Party A:

1, responsible for formulating the construction plan of leather machine closed works.

2, specify the location of the water and electricity interface at the construction site.

3, responsible for project supervision and work liaison and coordination.

Four. Party B's scope of responsibility:

1, prepare for construction ahead of schedule, ensure safety assurance measures, construction technical measures and construction network diagram, timely construction, and arrange construction schedule according to construction period requirements.

2. Self provided construction tools and auxiliary materials.

3, safe and civilized construction: according to the requirements of Party A, the construction site will be built with a construction fence to ensure the safety of personnel and construction site, keep the scene clean and hygienic, and finish the work site clean and the refuse removed to the designated location.

Five, technical requirements:

1, technical indicators of acrylic plates:

(1) Brinell strength: greater than 189mpa.

(2) impact strength: greater than or equal to 17kg.cm/cm2

(3) tensile strength: greater than 63 MPa

(4) thermal deformation temperature: -40-120

(5) pmittance: > 9l%

2. Requirements for closure cover:

The size of the single block enclosure is 3200x1800x8mm, and the length of each closure is more than 1200mm, and the height is vertical section 480-510mm and sector 400mm.

Three pieces of fixed reinforcement (stainless steel square pipe) are used in each forming closure cover and fixed with rivets.

The lower edge of the two sides of the closed cover is connected with the new channel steel of the belt rack by a special bolt with magnesium plated head, and each closed cover is installed with stainless steel bolts of more than 12, and the fixed ribs (stainless steel square tubes) are inserted on the new slot fittings of the belt rack.

Every 10-15 meters plus a check door, check the door position to adjust the side roller as the base points on both sides of the extension, belt scale and chain check device tightening position add check door.

3, when dismantling and installing, all cutting and welding joints must be treated smoothly without residue.

4. The installation of the thermosensitive line is supported by stainless steel in the enclosed cover. The connection must be flexible and easy to remove and install.

5, belt conveyor rope protection device moved to the bottom of the channel steel, after installation must have the same effect as before moving.

6, the welding channel steel before cutting support, basically do not affect the support structure force, the affected parts must be strengthened after welding channel steel.

7. The bottom of the enclosed cover must be at the same level and the base must be kept at the same level.

Channel steel (notch down) and bracket welding seam must be strong and reliable enough to bear the load of the additional cover. The joints between the base channel steel shall be fully welded, and the welded joints between channel steel and channel steel shall be welded.

8, the manufacture of hooks and plug-ins must ensure that the closure is easy to assemble and disassemble.

9. The joint 2-3mm between the closed cover, the interface roughness is less than 1mm.

After sealing the cover, the joint will be blocked, and the plugging plan will be made by the first party after the installation of the enclosed hood.

10. The doors and inspection holes on the enclosed covers must be beautiful, open and closed.

Before the opening, they will be produced after consultation by both sides.

11, channel steel selects #6.3 channel steel (GB) of Ma'anshan Steel Corp.

12, stainless steel is 30x15x1's "Wantong" brand (GB).

13. Bolts for plating bolts are used for fixing bolts.

Six. Duration, acceptance procedures and warranty period:

1. Construction period: within 60 days from the date of commencement, each time delay will be 1%.

2. After each process is completed, Party B should inform party a one day in advance, and the next process can be carried out if it is accepted. Otherwise, the process is regarded as an item not occurring and will be deducted directly from the project cost when settling.

3, warranty period: the warranty period is one year, after acceptance, it will be paid to 90% of the project cost, leaving 10% quality guarantee: all problems arising from the construction quality and raw material quality of Party B during the warranty period shall be repaired or replaced by Party B without compensation.

Seven, other requirements:

1, Party B shall accept the on-site construction supervision of Party A's project leader.

2, Party B shall abide by the safety regulations of Party A and sign a safe and civilized construction agreement.

The responsibility for the unsafe accidents caused by Party B shall be borne by Party B.

3, Party B shall not damage the production facilities and equipment of Party A in the course of construction. If there is any damage, Party B must repair it without compensation.

4. Unresolved issues are resolved through consultation.

5. This agreement is an appendix to the contract and has the same legal effect as the contract.

Party A: