In home decoration, the most troublesome part is the renovation of water and electricity. How to calculate the price of water and electricity renovation? This should be a question every householder wants to know. Many friends feel that they have been cheated a lot after completing the renovation of water and electricity. Installation of water and electricity is a complicated process, and the "tricks" in it are really unpredictable. Therefore, there is no certain price budget. of certainty. What is the budget for water and electricity installation? What are the steps for installing water and electricity? This special topic will take you to find out.
1 What are the materials for hydropower renovation?
Distribution box
Reasonably distribute electric energy to facilitate the opening and closing of circuits. It has a high level of safety protection and can visually display the conduction status of the circuit.
Wires
4 square meters of single-core wire (homes with central air conditioners or high-power electrical appliances), 2.5 square meters of single-core wire, 1.5 square meters of single-core wire; audio wire.
Accessories
4 points/6 points PVC conduit, cassette, PVC pipe hoop, elbow spring, box connector lock, 90-degree elbow, insulating tape.
Switches
One-position single-pole switch, one-position two-way switch, two-position single-pole key switch, two-position two-way switch, three-position single-pole switch, three-position two-way switch Switch, doorbell switch, sound and light delay switch, touch delay switch, dimmer switch.
Socket
Socket (two or three pins), socket (two or two pins), air conditioning socket (16A), socket (three pins) (10A), single-connected 500Hz video socket, Dual-connected 500Hz video socket, computer/telephone socket, audio socket, and whiteboard.
Light bulbs
Kitchen lights, main bathroom lights, guest bathroom lights, balcony lights, living room lights, dining room lights, study lights, master bedroom lights, living room lights, fluorescent lights, wall lights, tubes Lamps, spotlights, bedside lamps, mirror lamps, floor lamps, light bulbs.
Water aspect
PPR water pipes, floor drains, water pipe bends and joints, waterproof coatings.
Auxiliary materials
Triangle valve, basin drain, bathtub drain, metal hose, raw material tape, thick white paint, linen silk, floor drain, silicone, double-sided tape, Shifter.
Gas
Galvanized pipe, galvanized outer wire, galvanized pipe elbow, galvanized outer wire, galvanized pipe tee, galvanized pipe elbow, ball valve.
Water pipe brand
LESSO
JSPES PINSHENG
MIERGU
Sorbonne pipe Suban
龙胜管LS
亚通Aton
伟星vasen
Rifengguan
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2. Selection of water and electricity renovation materials. Selection of water pipes
1. Smell: Smell the water pipes to see if there is any peculiar smell. Parallel pipes are often mixed with recycled toxic plastics, which is often smelled. Pungent odor.
2. Look: Look at the color, thickness and gloss of the water pipe, and whether the outer wall of the pipe is marked with a trademark. Second, check whether there is a sanitary license. Water pipes without a sanitary license cannot be used for drinking water pipes.
3. Note: Go to a formal agency with an authorized pipe distribution certificate; pay attention to whether the pipes and pipe fittings purchased are produced by the same manufacturer; also pay attention to requesting a product service card.
Purchasing wires
1. Look at the logo: The product certificate should indicate the manufacturer’s name, product model, rated voltage and other marks, and the surface marking on the wire and the product certificate should be marked with two should be consistent.
1. Look at the appearance: The appearance of the wire is smooth and flat, the insulation and sheath layers are not damaged, the color is bright, the logo is clear, the texture is fine, and there is no greasy feeling when molding the wire by hand.
2. Look at the actual length and thickness: According to relevant standards, the error in wire length cannot exceed 5%, and the cross-sectional wire diameter cannot exceed 0.02%.
Purchase of switches and sockets
1. Appearance: The style and color of the switch should match the overall style of the room. If not matched properly, it will appear unsightly and unsightly.
2. Feel: Most high-quality switches and sockets are made of high-grade materials such as bulletproof glue. The surface is smooth, and the panel must be free of bubbles, scratches, and stains.
3. Weight: When purchasing, you should weigh a single switch socket. Generally, alloy or thin copper sheets feel lighter. Of course, the quality also varies greatly.
4. Brand: A good brand switch socket has a longer service life and usually has a warranty period, so it is more cost-effective.
Wire brand
Far East Cable
Hengtong Optoelectronics HTGD
Minxing Cable MXC
Baosheng Cable< /p>
Shangshang Cable
Qifan
Jiangnan Cable
Jinlongyu
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3 Hydropower renovation price Waterway renovation quotation
PPR water pipe: 35 yuan/meter from 30 meters to 60 meters; 40 yuan/meter from 10 meters to 30 meters; 45 yuan/meter below 10 meters.
PVC water: 50mm diameter PVC water 40 yuan/meter; diameter 110mmpvc 60 yuan/meter.
Heating pipes: 200 yuan/group for heating renovation of less than 3 groups, 150 yuan/group for whole house renovation of more than 3 groups, (including 1 meter pipe and fittings, excluding valves, and another 1 meter Other pipes are 25 yuan per meter) sanitary ware installation is 30 yuan/piece, and a single piece is 50 yuan.
High-voltage concealed installation quotation
Concealed wire: 2.5㎡20 yuan/meter? Single tube 4㎡25 yuan/meter? Single tube 6㎡30 yuan/meter? Single tube 16㎡ Above 50 yuan/meter? Single tube.
Flame-retardant electrical pipes and wires: no more than 3 wires. If more than 3 wires are required, an additional RMB 5 per wire per meter will be charged.
Junction box wiring: 2 sets of zero, fire and ground connections cost 5 yuan. 3 sets of docking costs 8 yuan. 10 yuan for 4 sets of docking. 5 sets of docking costs 12 yuan. (Switches or sockets are one set each).
Junction box cover: 15 yuan/piece.
Lighting lead wire: 10 yuan/meter (less than 1 meter will be calculated as 1 meter).
Quotation for weak current transformation
Telephone line (15 yuan/meter bright, 20 yuan/meter dark), TV network audio line (15 yuan/meter bright, 20 yuan/meter dark).
For lamp installation and panel installation, the ground slot is 10 yuan per meter, and the spotlight or downlight package opening is 10 yuan per piece, excluding lamps.
Ceiling lamps are 15 yuan/piece, small chandeliers with two to five small lights are 30 yuan/piece, chandeliers with six or more small lights are 35 yuan/piece, there is an additional charge for switch and socket installation, and there is a charge of 5 yuan for less than 30 lights. Yuan, 3 yuan/piece for more than 30 pieces, 30 yuan/piece for light bags.
Explicit water and electricity installation quotation
Weak current exposed installation: 18 yuan/meter, others are the same as weak current concealed installation.
Strong current surface installation: 2.5mm2 25 yuan/meter, others are the same as weak current concealed installation.
Exposed water pipe: 45 yuan/meter, material 20PP-R. Faucet: Specifications: 15, 20, price 8 yuan/piece.
Water meter: Specification 15, 20, price 30 yuan/piece. Main valve: Specification 25, price 30 yuan/piece.
Flushing valve: specifications 15 and 20, price 20 yuan/piece. Drainage pipe: specification 40 and below, price 12 yuan/meter.
Fluorescent lamps: specifications 20W, 30W, 40W, price 20 yuan/unit without wiring. Ceiling grille lamps: specifications 40W-120W, price 40 yuan/set without wiring.
Floor heating pipe brand
Rifeng pipe
Weixing vasen
Golden cow pipe
LESSO < /p>
GF Georg Fischer
Rehau Germany Ruihau
JSPES Pinsheng
Zhongcai Pipeline ZHONGCAI
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4 Water and electricity renovation budget Q&A
Q: Is the quotation list the price of all water and electricity installations?
A: Including pipes, wires, wiring, construction, grooving, and pressing experiments. Not including groove sealing, waterproofing and sanitary ware installation, charges will be calculated based on the actual meter usage.
Q: How to calculate the labor cost for water and electricity renovation?
A: The calculation method of labor costs is different in each place. In some places, it is calculated on a per square meter basis, in some places it is calculated on a daily basis, or in some cases it is directly included in the material fee. The specific situation depends on the actual situation, and it must be clearly stated in the contract first.
Q: Are the water and electricity decoration of new houses and the water and electricity renovation of old houses the same price?
A: The renovation of water and electricity in an old house is not a new one. It needs to be rebuilt after destruction, so it is more expensive than the water and electricity installation in a new house. The most important thing is that water and electricity renovation is a hidden project, so the materials must be of good reputation, good brand, and high quality.
Q: How to control the cost of water and electricity renovation?
A: Strictly budget according to the drawings to avoid excessive additional costs; mid-term acceptance to avoid rework and prevent decoration companies from offering high prices to attract customers; before water and electricity construction in new houses, consumers can insulate the original wires Test, if there is no problem, there is no need to replace it.
Audio and video cable brands
Akihabara CHOSEAL
PHILIPS
kaiboer
Belkin< /p>
UGREEN
CE-LINK
FIBBR
Prolink
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