【 Weak current College 】 supervision instance diagram (ii) the wall surface irregularities

At the construction site, most worried about is found signs of hidden works from those greedy for petty, irresponsible renovation team construction technology is not normative. They will appear to be striking, in practice very important steps omit; or in the materials on the tamper, shoddy, quejinduanliang ... This kind of "duplicitous defeated flocculation which" elastic "project, with a little hidden works generally. The decoration of the danger in this way at home quietly accumulate with, such as air, see touched; but once you realize that the losses caused to the consumer will be immeasurable.

This month's to introduce "the decoration of the guerrilla" easy to play, Maoni will be hard to defend "intrigue" thorough exposure.

Question 1: new walls and old wall is not connected.

Explanation: according to the national standard of supervision GB50210-2001 section 4.2.4 of the walls of different materials flow control measures to be taken, and when used to strengthen the network, and substrate lapping width should not be less than 10 cm. With reinforced and barbed wire can effectively avoid cracking or delaying its cracking time.

Problem 2: light steel keel and wood joist mixed use.

Explanation: according to the national standard of supervision GB50327-2001 section 8.1.2, ceiling booms, joist spacing of installation and connection method should meet the design requirements. Contracts and pricing for light steel joist ceiling, in the absence of special circumstances must be all used light steel keel, fire protection, easy to connect and difficult to deformation.



New walls and old wall is not connected



Light steel keel and wood joist mixed use



Plastering and original la hair between the delamination

Question 3: plastering and original la hair between the delamination.

Explanation: according to the national standard of supervision GB50210-2001, section 4.2.2 and 4.2.5, plastering, primary surface dust, dirt, grease stains surface should be clean, no empty drum, no delamination, no burst. In addition, tile before also check original waterproof layer and grass-roots and pull wool layer bonded securely.



Light walls on both sides are not hanging wire

Issue 4: indoor new light walls, both sides are not hanging wire.

Explanation: according to the national standard of supervision GB50327-2001, section 9.1.6 in, because of the different materials with different coefficients of expansion, the House easily cracks. During renovation process, in order to avoid new light body wall plastering layer appears cracking, peeling and other phenomena occur, light-brick wall hanging on either side of the fence, when you want to.



Top PuTTY serious loss

Question 5: top PuTTY serious falls.

Explanation: according to the national standard of supervision GB50210-2001, section 10.1.5, base PuTTY should be smooth, strong, not powder, no crack, Peel and its strength should be consistent with the architectural Interior PuTTY (JG/T3049), indoor scraping PuTTY before you clean the base, rolling interface agent again, and then blowing water PuTTY for two to three times.



Air-conditioning outlet connections sealing not strict

Question 6: air-conditioning outlet connections sealing not tight.

Explanation: according to the national standard of supervision GB50210-2001, section 6.1.4, Cap before on top of pipelines, equipment installation and water pressure test, and other concealed work acceptance can be achieved. Air conditioning transformation process, the outlet air leakage loose easy, have a direct impact on the future of heating, refrigeration and air conditioning.