{"id":4695,"date":"2021-11-05T14:31:47","date_gmt":"2021-11-05T06:31:47","guid":{"rendered":"https:\/\/epcpmo.com\/?p=4695"},"modified":"2021-11-05T14:31:48","modified_gmt":"2021-11-05T06:31:48","slug":"fine-construction-of-mechanical-and-electrical-installation","status":"publish","type":"post","link":"https:\/\/epcpmo.com\/en\/fine-construction-of-mechanical-and-electrical-installation\/","title":{"rendered":"Fine construction of mechanical and electrical installation"},"content":{"rendered":"

<\/a><\/a> <\/a> Aluminum mold and steel support wood mold system, are commonly used at this stage of the new support mold system, is to achieve the main structure of fine construction measures, effectively improve the quality of structural molding. Under such a system, how should the mechanical and electrical installation be combined with civil construction, but also achieve fine construction? <\/strong> The following engineering example from the electrical and water supply and drainage two aspects, sharing the display of aluminum mold and steel support wood mold system, mechanical and electrical installation of the construction process.
<\/p>\n\n\n\n

Electrical section<\/strong>\n<\/p>\n\n\n\n

\n 1\n<\/p>\n\n\n\n

\n Drawing optimization\n<\/p>\n\n\n\n

\n Indoor lighting line optimization\n<\/p>\n\n\n\n

\u00b7 Combine decorative drawings for precise positioning<\/strong>\n
\n<\/p>\n\n\n\n

\u00b7 Lighting lines go to the ceiling for pre-buried<\/strong>\n<\/p>\n\n\n\n

\u00b7 Fire smoke line walk ceiling pre-buried<\/strong>\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\n In-house socket line optimization\n<\/p>\n\n\n\n

\u00b7 Combine decorative drawings for precise positioning<\/strong>\n<\/p>\n\n\n\n

\u00b7 Air conditioning hang-up socket line go ceiling pre-buried<\/strong>\n<\/p>\n\n\n\n

\u00b7 Other socket lines<\/strong> Walk the floor<\/strong> pre-buried<\/strong>\n<\/p>\n\n\n\n

\u00b7 Weak power lines all go down<\/strong> the floor of the building<\/strong> pre-buried<\/strong>\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\n Point optimization of lamps, smoke, etc. in public areas\n<\/p>\n\n\n\n

\u00b7 According to the width of the aisle center arrangement,<\/strong> the beam is equal<\/strong>\n<\/p>\n\n\n\n

\u00b7 Induction switch<\/strong> should be 300mm<\/strong> from the lamp<\/strong> arrangement, smoke spray and lamp spacing should be<\/strong> 500mm<\/strong>\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n The layout of the wells is optimized\n
\n<\/p>\n\n\n\n

\u00b7 Wells should be set in conjunction with building floor plans and consider access space<\/strong>\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\n Custom bridge reservation hole template\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Well reserved hole template installation\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Bridge installation effect\n<\/p>\n\n\n\n

\n 2\n<\/p>\n\n\n\n

\n The wire box is pre-buried\n<\/p>\n\n\n\n

\n Examples of frequently asked questions\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n The mold rate is insufficient, and the large area rectification in the later period\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n The installation method is uncontrolled and the bias is serious\n<\/p>\n\n\n\n

\n Example of construction practices\n<\/p>\n\n\n\n

\u00b7 Backbox installation procedures and protection<\/strong> <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Install the cup comb connector\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n The box is filled with sawdust and compacted\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Add protective cover wrapped tape protection\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n The rebar makes a fixed frame\n<\/p>\n\n\n\n

\u00b7 Precise positioning according to design drawings<\/strong>\n<\/p>\n\n\n\n

\n Review the floor elevation baseline, with the help of laser leveling for accurate positioning, the processed back box is firmly tied (welded) on the positioning point.\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Mark the floor elevation baseline\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n The laser level is positioned\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Vertical, horizontal correction\n<\/p>\n\n\n\n

\u00b7 The back box is mounted fixed<\/strong>\n<\/p>\n\n\n\n

\n Wearing a ribbed back box tie or welding fixing:\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\n Aluminium-molded back box fixing:\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

The backbox is positioned and opened on the aluminum mold <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Adjust the backbox position <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Secure the bottom box with a self-tapping screw\n<\/p>\n\n\n\n

\u00b7 Shear wall pre-buried back box installation molding effect<\/strong>\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Pre-buried molding effect of the rib back box\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Aluminum mold bottom box pre-buried molding effect\n<\/p>\n\n\n\n

\u00b7 The floor interior box is pre-buried<\/strong>\n<\/p>\n\n\n\n

\n (1) Aluminum mold system pre-buried\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Line positioning\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Position the rubber block fixed to the template\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n The wire box is fixed\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n The tube is connected\n<\/p>\n\n\n\n

\n (2)Steel support wood mold system pre-buried\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\n 3\n<\/p>\n\n\n\n

\n Strong and weak electric boxes are pre-buried\n<\/p>\n\n\n\n

\n Examples of frequently asked questions\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

No pressure, anti-floating, molding, and other technical measures <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n The pre-buried electric box is subject to a sign of force\n<\/p>\n\n\n\n

\n Example of construction practices\n<\/p>\n\n\n\n

\u00b7 There are several ways to reinforce the inside of the box<\/strong>\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Fill the sawdust support\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Use wooden support\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Support with top support and plank <\/p>\n\n\n\n

\u00b7 The external reinforcement of the box<\/strong>\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u00b7 On-site installation<\/strong>\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u00b7 Install the molding effect<\/strong>\n
\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\n 4\n<\/p>\n\n\n\n

The good reserves holes <\/p>\n\n\n\n

\n Examples of frequently asked questions\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n The well was not poured once with the floor\n<\/p>\n\n\n\n

\n Example of construction practices\n<\/p>\n\n\n\n

\u00b7 Use a dedicated mold to synchronize reservations<\/strong>\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\n 5\n<\/p>\n\n\n\n

\n PVC wire tube pre-buried\n<\/p>\n\n\n\n

\n Examples of frequently asked questions\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n The arrangement is chaotic, stacked and the pipe spacing is unreasonable\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n There is no reinforcement protection at the connector point\n<\/p>\n\n\n\n

\n Example of construction practices\n<\/p>\n\n\n\n

\u00b7 PVC line tube selection<\/strong>\n<\/p>\n\n\n\n

PVC electrician casing is divided into light, medium, and heavy-duty, for floor and shear wall pre-buried pipe recommended to use all heavy PVC pipe(405 specifications), common specifications related parameters as shown in the table below. <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u00b7 PVC line tube bending operation<\/strong>\n<\/p>\n\n\n\n

\n Note:\n<\/p>\n\n\n\n

\n (1) Select a special spring elbow by wire tube diameter\n<\/p>\n\n\n\n

\n (2) The bending radius of the line pipe must be greater than 6 times the outer diameter of the line tube\n<\/p>\n\n\n\n

\n (3) Bending or breaking occurs when bending, it is strictly forbidden to use\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Spring elbow\n<\/p>\n\n\n\n

\u00b7 PVC wire tube strapping fixing requirements<\/strong>\n<\/p>\n\n\n\n

(1) When the wire pipe is laid vertically and horizontally, the wire tube is laid between the steel mesh, the wire is tied firmly with the steel bar (plate laying and bottom rib binding), and the two fixed points are not more than 1 meter apart when the wire pipe is unfixed. <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

(2) The wire box should not be surrounded by more than 0.3 meters, the ends of the fittings should not be greater than 0.2 meters should be fixed while noting that all wire fittings and pipes must be bonded with PVC glue. <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

(3) When the direction of the wire pipe laid on the wall is not vertical, special reinforcement treatment shall be carried out in the fitting position to avoid damage when pouring concrete, as shown in the following illustration, adding a short pipe at the fitting and tying it together with the pre-buried pipe for reinforcement. <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u00b7 PVC line pipe on the pipe opening sealing and positioning<\/strong>\n<\/p>\n\n\n\n

\n Inappropriate practices:\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n shortcoming:\n<\/p>\n\n\n\n

(1)Trouble with the operation <\/p>\n\n\n\n

\n (2)There is a risk of pipe blocking\n<\/p>\n\n\n\n

\n (3) The positioning of the line tube is not accurate\n<\/p>\n\n\n\n

\n Recommended practices:\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n merit:\n<\/p>\n\n\n\n

\n (1) Is easy to operate\n<\/p>\n\n\n\n

\n (2) The seal is tight and there is no risk of blocking the pipe\n<\/p>\n\n\n\n

\n (3)to ensure accurate positioning of the line pipe\n<\/p>\n\n\n\n

\u00b7 Shear wall pre-buried back box installation molding effect<\/strong>\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n The diameter of the hole in the plastic positioning block is the direct outer diameter of the corresponding wire tube\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Rubber mold diameter according to the corresponding specifications of the direct size of the line tube to make\n<\/p>\n\n\n\n

Water supply and drainage<\/strong>\n<\/p>\n\n\n\n

\n 1\n<\/p>\n\n\n\n

\n Drawing optimization\n<\/p>\n\n\n\n

Pipeline well-drawing optimization <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Original map of pipe well design\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Pipeline well optimization layout\n<\/p>\n\n\n\n

\n Casing installation requirements\n<\/p>\n\n\n\n

\u00b7 Installation requirements<\/strong>\n<\/p>\n\n\n\n

1, steel casing should be 20mmhigher than the complete surface of the building. <\/p>\n\n\n\n

2, steel casing thickness should be \u2265 2mm, casing brush primer, face paints each together to prevent rust. <\/p>\n\n\n\n

3, the hot water pipe in the well should be following the design requirements to do a good job of insulation, insulation pipe bracket should be fortified with cold bridge measures. <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\n The optimized installation effect\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\n 2\n<\/p>\n\n\n\n

\n Casing pre-buried\n<\/p>\n\n\n\n

\n Examples of frequently asked questions\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Not reserved as per specification\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Weld directly with structural ribs \n<\/p>\n\n\n\n

\n Example of construction practices\n<\/p>\n\n\n\n

\u00b7 Horizontal direction sleeve<\/strong>\n<\/p>\n\n\n\n

\n Steel support wood mold:\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Position the mold\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Combined casing processing and installation\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Install the molding effect\n<\/p>\n\n\n\n

Aluminum mold:
<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Combined casing processing and installation\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n Install the molding effect\n<\/p>\n\n\n\n

\u00b7 Vertical casing<\/strong>\n
\n<\/p>\n\n\n\n

Well, glyph fixation method: <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\n U-shape fixation method:\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u00b7 Beam inner sleeve<\/strong>\n
\n<\/p>\n\n\n\n

\n Hanger fixing method:\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\n 3\n<\/p>\n\n\n\n

\n Shear wall to install the water pipe\n<\/p>\n\n\n\n

\n Examples of frequently asked questions\n<\/p>\n\n\n\n

\u00b7 Water pipes shall not be placed directly in the structural layers of buildings<\/strong>\n<\/p>\n\n\n\n

\n Water pipes, whether they are metal or plastic (including composite pipes), shall not be directly buried in the structural layer of the building. If you must bury, you must set the casing outside the tube.\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\n Example of construction practices\n<\/p>\n\n\n\n

\u00b7 The extruded plate is fixed to the rebar to leave a groove<\/strong>\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\n Not recommended\n
\n<\/p>\n\n\n\n

\u00b7 Steel mold slot<\/strong>\n
\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u00b7 Leave a groove in the water pipe structure<\/strong>\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\n 4\n<\/p>\n\n\n\n

Drainpipe parts pre-buried installation <\/p>\n\n\n\n

\n Examples of frequently asked questions\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\n The fixation and blocking effect is not good\n<\/p>\n\n\n\n

\n Example of construction practices\n<\/p>\n\n\n\n

\u00b7 Screw fixation method<\/strong>\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u00b7 Screw-fixing method <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u00b7 The glue fixation method<\/strong>\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u00b7 Wood-mold fixation<\/strong>\n<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>","protected":false},"excerpt":{"rendered":"

Aluminum mold and steel support wood mold system, are c […]<\/p>","protected":false},"author":1,"featured_media":4756,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[214,211,65],"tags":[],"class_list":["post-4695","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-computer-room-project","category-mechanical-and-electrical-engineering","category-special-project"],"_links":{"self":[{"href":"https:\/\/epcpmo.com\/en\/wp-json\/wp\/v2\/posts\/4695","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/epcpmo.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/epcpmo.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/epcpmo.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/epcpmo.com\/en\/wp-json\/wp\/v2\/comments?post=4695"}],"version-history":[{"count":0,"href":"https:\/\/epcpmo.com\/en\/wp-json\/wp\/v2\/posts\/4695\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/epcpmo.com\/en\/wp-json\/wp\/v2\/media\/4756"}],"wp:attachment":[{"href":"https:\/\/epcpmo.com\/en\/wp-json\/wp\/v2\/media?parent=4695"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/epcpmo.com\/en\/wp-json\/wp\/v2\/categories?post=4695"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/epcpmo.com\/en\/wp-json\/wp\/v2\/tags?post=4695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}