【 Weak current College 】 second decoration instance map key

The second decoration focus Tribunal figure a) second decoration electrical professional audit plan of construction standards and recommended practices
I) design must be consistent with the civil construction electrical design specifications ", the lighting design standards of civil architecture and the design of tall building fire safety norms.
Ii) plan should contain all of the electrical system of the system diagram, diagram, drawing, such as lighting, sockets, emergency lighting, telephone, TV, computer network, etc.
Iii) indicate the selection of materials for material quality, brand name, model number, quantity and description of the construction process.
Iv) domestic distribution box should have an authority certificate Department 2, import distribution box should have the inspection certificate, single phase switch on/off capability greater than 6KA, minimum-phase switch-off capability greater than 30KA.
V) distribution box should use metal distribution box, in the design and use should be reserved in the distribution box, all lighting switch room, socket lines shall not be mixed with and socket lines are installed should, air-conditioner control leakage switches with leakage switch.
Vi) switching capacity, setting current and conductor current should match the lighting line should not be less than 2.5MM 2 socket line should not be less than 4MM 2, Earth wire cross sections should not be less than 1.5 square copper core line, contacts handles requires the use of terminals, each branch current design does not 16A should be greater than.
Vii) selection luminaire should try to use the same brand-name products, fluorescent lamp recommended capacitor products.
Viii) wire tube requires the use of galvanized metal pipe, to line box (box), light box should use iron snakeskin tube, hose connections, and both ends of protection should be done.
Ix) indoor fluorescent lighting in the original accident must be preserved, the location should be set in indoor public areas centered, battery compartment must be equipped with metal lid, designed to meet fire protection requirements, transposition wire tube must comply with the requirements of metal pipes and metallic tubes should be coloured in line with the requirements of the fire retardant coating.
X) socket and light switch panel should try to use the same brand-name products, the outlet from the versatility, it is advisable to choose and building 13A same.
Xi) all outlet (including telephone, television), the same interior design should be as high (the distance from the ground), all switch panel (including the air conditioning temperature regulator) distance from the ground should be consistent and switch press "open" and "off" toward unity should be.
Xii) air blower plate Tube electric, use wire tube to the power cable from the fan coil a m, made with the outlet boxes to insurance, temperature control switch with cable 1.5MM should use 2 cords, you should not use the single strand copper wire.
Xiii) smoke head and shower head with an existing system, grades and specifications. Original smoke header installation principle should be reserved for the hose moves within a RADIUS, if it exceeds this limit the scope of the transposition, in addition to its design and construction by the fire record recognized professional construction units. The probe distribution in the plane design by unit demand. Unit from the public area access communication line and TV lines, specified by the property management service for professional construction units bearing made outdoor common areas, and indoors in line installation wiring boxes for entering boundaries. TV line House, by allocating (branch) with distinction, interspersing them with. Phone line and trunk is recommended to use AT & T5 cable.
Xiv) Grill plate must º¨r φ 6 crane stiffened four, with angle steel is fixed to the concrete (are not allowed to use Sling wire suspension).
Xv) line pipe on the ceiling must be fixed by the construction specifications, all lighting lamp housing have to be connected with the building of grounding line.
Xvi) ground floor only use private, do not use GFI wall plug and socket to use in place of.
Xvii) installed into, digging depth on the floor must not exceed 4CM.
Xviii) wooden lightbox Groove must be coloured fire retardant coating, the power cord to put iron snakeskin tube.
Xix) smoke detector of layout principles: distance and the horizontal distance of not less than 0.5M, from the air, the horizontal distance from the new outlet should not be less than 1.5M, as close as possible to go back to the air outlet locations.
Xx) fire normal dual-purpose, one lamp with every nickel batteries discharge time of not less than 45 minutes. From light main power more wearing a power charging cable connects the battery, do not allow the battery power cable attached to the building emergency lighting power. Strong electric all line pipe, welding cable boxes are required to ensure that cross-grounded to Earth intact.
Xxi) lights up requirements for the grounding line.
(Ii) the second decoration fire water supply and drainage professional approval standards and recommended practices of construction
I) fire hydrant fire extinguishing system
According to the specifications of the "indoor hydrant should design in clear easy-to-access place request":
A) public area is not in use (such as Add partition walls, etc.).
B) fire hydrant valve will not be covered if decoration door wall decoration consistent fire hydrant, fire should set clear signs.
Ii) automatic sprinkler system
According to the specifications and the Beijing Institute of site design group, provides as follows:
A) location of spraying must be as to the ceiling above the wall of separation do adjustments, such as displacement, increased.
B) diagram shows whether the spray head for displaced, increased.
C) figure in relocating after spray head distance and size.
D) increase of sprinkler system with existing brands, specifications.
E) nozzle spacing should meet the following requirements:
I) 3.6M not greater than or less than 2M.
II) from the wall 1.8M not greater than or less than 0.6M.
III) ceiling within the 0.8M clearance greater than, and wires, cables or combustibles, ceiling domestic demand additional nozzle (this nozzle is not included in paragraph (4)).
IV) different diameter and allows the installation of sprinkler head number in the following table:
Pipe diameter (nominal diameter) allows the installation of sprinkler (s)
DN25 1
DN32 3
DN40 4
DN50 10
DN70 16
DN80 32
DN100 60
V) each alarm valve with nozzle number does not exceed 800.
Iii) indoor drainage system
Water supply and drainage facilities to increase or modification, you must have a toilet drainage detail, pipe diameter, pipe slope, pipes and connections, and so must conform to the specification requirements, requirements for the perfect design description, the selected material to and present tube material. Cold water, hot water, hot water, water used copper tube with galvanized pipe, sewer pipe casting. The unit of cold water, hot water, hot water is required with a meter.
(3) second decoration air conditioning specialist Tribunal figure of construction standards and recommended practices
I) drawings must comply with the "heating, ventilating and air design specifications" (GBJ19-87) and the "high-rise building design fire protection standard" (GB50045-92).
Ii) drawings must have fireproof original design of outdoor air inlet of location, size, cold (heat) for backwater of import, export location and size, the location of the condensate drain and pipe diameter, number of fan coil, drawings shall indicate the name of the selected materials, materials, specifications and performance.
Iii) drawings should contain fresh air piping diagrams, including the location and amount of air duct, as well as the necessary air valve. In principle, each separated room should design new outlet.
Iv) the drawings should include cold (heat) pipes for, backwater, condensation water discharge piping diagrams, including pipe location, dimensions (diameter), slope and the necessary valve, soft joints.
V) drawings should contain fan coil arrangement, including air, back outlet, each separated room should be sent, back to the air outlet.
Vi) for the design of indoor air conditioning part, shall indicate the room built in personnel and equipment, heating value.
Vii) ventilation rate and ACH, must comply with national norms, also must comply with the requirements of the building, the original design.
Viii) use the materials:
A) insulation, in line with the national building code material.
B) waterway system uses copper tube or galvanized pipe, condensate pipe request design has a slope in order to facilitate the cooling water discharge, condensing pipe elbow position should be replaced by the three links plus wire plug.
C) for the return pipe and air blower plate Tube connections with air-conditioner soft pipe.
D) and water valves, using 25KG pressure resistance, heat-resistant/M2 85 ℃, resistant to cold 7 ° c of brass valves, water valve should be provided to indicate the working pressure of the certificate.
E) original indoor air blower plate Tube water solenoid valve and temperature controller provided by the Engineering Department. Construction, admission for three days (except Sat, Sun), to contact the project manager.
F) backwater competent should use no less than 32, φ φ branch adopts, 20 of pipe and the main valve dry pipe joints should be installed Live receive or flange, to ensure that when the main valve damage can repair replacement.
G) suppress flushing qualified, the Engineering Department inspection, Xu and building managers.
Code: ix) construction
A) after the waterway connections for rinsing, standard Visual for export, sundries, particles, welding slag, water erosion is not mixed.
B) suppress, 15KG needed to maintain 15 minutes/CM2, pressure drop is not 0.5KG/CM2 is greater. The above two in progress notification air conditioning professionals present at the confirmation, and fill out the report, suppressed report must be signed and returned to the owners of the Engineering Department in a timely manner.
C) in the above two complete, allowed to carry out the pipe insulation.
D) uses material must be qualified, thermal insulation pipe shall not have the slit and breakage.
E) acknowledge all before entering and leaving the water valve open primary.
X) fresh air requirements:
A fresh air must be used by) air duct, vertical air outlet, downside, in principle, each partition room at least a new outlet. Indoor and outdoor air valve total shall not be allowed to adjust, the new outlet size recommended 100x200 forms with regulators.
B) back to the scene with independent air hose with strainer, dimensions guarantee repair facilities. We do not accept ceiling roof grid back to the wind. Filter to be minedMultilayer metal mesh.
C) fan-coil air way system soft connection should not be adopted, if you really need soft connection should use comply with fire safety requirements of the canvas.
Xi) reserved checkpoints:
Reservation of inspection openings, account must be taken on the fan coil for easy maintenance, the location should be placed after the fan blade slightly.
Xii) fresh air and exhaust air, exhaust pipe must be in galvanized steel, interface with angle steel flange bolt connection.
Xiii) back to the Tuyere area not less than 600x600 size and each diffuser outlet should be equipped with a back.
(4) the second decoration construction professional audit plan of construction standards and recommended practices
I) in the decoration floor plans, should indicate the axis position, plane dimensions, area and furniture layout, room name or function.
Ii) in the ceiling, shall identify the lamp, lamp type size, quantity, delivery/return outlet locations, spraying, smoke, if you need to do the caisson ceiling, the practice of dealing with caisson, dimensions, elevation and lights, air conditioning, smoke, spraying of relations.
New partition iii) should use the light body structure, indicate the materials and practices, should also be annotated wall height (to top).
Iv) room and the floor of the wells, fire, mechanical and electrical door could not be closed.
V) description of the decoration materials (ceiling, wall surface, ground, such as wallpaper, carpets, flooring, etc), should also provide materials test report of fire-retardant, if demolition wall, door, or damage the original building walls, beams, columns, the Board should have instructions on the diagram.
Vi) there should be indicated in the figure without using large weights or strong vibration machines (such as safe, large Cabinet), and other information, weight, location and method of installation.
Vii) any request on the floor or worn tubes can chuanzao holes installed devices, not to make any structure (all public equipment pipe joints) and appearance (such as perimeter lighting, Windows, balconies, walls, etc.) change to maintain the appearance property of neat, organized, attractive.
Viii) if required in the floor, wall installation expansion bolts, the specification should not be greater than 12MM diameter, all load-bearing structure columns are not allowed to tick chisel.
Ix) regardless of the ceiling should be reserved for the check (fan coil, centralized wiring boxes), for maintenance, light steel joist ceiling applications not less than φ 6 reinforced construction crane stiffened, made shall conform to the specifications, the aluminum frame with lead wires do suspenders, leveling is fastened.
X) all required demolition bathrooms, pantry, door project, should be submitted in the pre-construction and undertaking owners proxies, to be approved shortly after construction.
Xi) ceiling, wall works before the final sealing plate, engineering officers should be on electrical appliances, fire, water, electricity, air conditioning, and other project risk acceptance, qualified prospective seal plate in the rear.
Xii) all partition wall wooden seal plate, wooden lamp cartridge must be fire retardant paint Daubs three times, the implicit check qualified rear Xu enters the next construction.
Xiii) all bathrooms, pantry transformation, respond to changes in the bathroom, pantry make closed water test, check for qualified rear access, if a new surface construction made waterproof, it is recommended that you use polyurethane coating or SBS linoleum cold water construction, the new approach after, must be closed water test to check, because closed water leakage caused by downstairs for any losses shall be taken by the owners of the demolition and construction companies.
Xiv) each Office unit is worth mentioning a few left door should be consistent with the fire code requirements.
Xv) changed the glass door application tempered glass and fire regulations.
Xvi) in addition to the main door, wooden door of the unit and the rest to public corridor direction cannot be closed or making any changes.
Xvii) glass door frame material free-mirror steel, the rest of the material to be approved.
Xviii) corridor wall do not install any signs, can only be made in the original project design of signs-installation company brand.
Xix) all do not meet the construction standards and the requirements of the future use and maintenance of a hidden danger shall be taken by the owners or construction companies signed confirmation, the issue should be determined by the owners or operators. Design changes the width of the door for more than 1.8M, should provide new design of the door of the elevation of the original structure of the consolidation measures and related description text.